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B6-hTFRC/htau
Product ID:
I001209
Strain:
C57BL/6Cya
Status:
Description:
The Transferrin receptor (TFRC) gene encodes Transferrin Receptor 1 (TFR1), a protein that is expressed at low levels in most normal cells but shows increased expression in highly proliferative cells, such as basal epidermal cells, intestinal epithelium, and certain activated immune cells. Brain capillary endothelial cells, which constitute the blood-brain barrier (BBB), also express this receptor at high levels [1]. TFR1 plays a critical role in maintaining iron metabolism and homeostasis by facilitating receptor-mediated endocytosis of iron-bound transferrin (Tf) via Tf cycling, thereby promoting iron uptake [2]. Cellular iron deficiency can lead to apoptosis, while cellular transformation requires substantial iron to sustain proliferation, with iron overload contributing to tumor progression. The high expression of TFR1 in many tumors makes it a potential tumor marker, offering a target for therapies to inhibit tumor growth and metastasis [1]. Moreover, TFR1 is implicated in anemia and iron metabolism disorders. Studies have shown that elevated TFR1 expression in cardiomyocytes is associated with exacerbated inflammation in myocarditis patients [3].
The tau protein, a microtubule-associated protein encoded by MAPT, is primarily localized to neuronal axons and plays a critical role in microtubule stability and assembly. By binding to microtubules, the tau protein helps to maintain neuronal cell shape. Mutations in MAPT can promote tau aggregation, leading to pathological tau protein accumulation and death of glutamatergic cortical neurons [4]. Additionally, certain MAPT mutations can affect pre-mRNA exon splicing, altering the ratio of 3R to 4R tau protein isoforms and increasing the relative production of 4R-tau protein, which is more prone to fibril formation [5].
The B6-hTFRC/htau mice are a model expressing human TFRC protein and tau protein, generated by crossing B6-hTFRC(CDS) mice (Catalog No.: C001584) with B6-htau mice (Catalog No.: C001410). These mice can be used for research on neurodegenerative diseases and iron metabolism disorders, as well as for the development and preclinical evaluation of TFRC/MAPT-targeted therapeutic agents.
The Transferrin receptor (TFRC) gene encodes Transferrin Receptor 1 (TFR1), a protein that is expressed at low levels in most normal cells but shows increased expression in highly proliferative cells, such as basal epidermal cells, intestinal epithelium, and certain activated immune cells. Brain capillary endothelial cells, which constitute the blood-brain barrier (BBB), also express this receptor at high levels [1]. TFR1 plays a critical role in maintaining iron metabolism and homeostasis by facilitating receptor-mediated endocytosis of iron-bound transferrin (Tf) via Tf cycling, thereby promoting iron uptake [2]. Cellular iron deficiency can lead to apoptosis, while cellular transformation requires substantial iron to sustain proliferation, with iron overload contributing to tumor progression. The high expression of TFR1 in many tumors makes it a potential tumor marker, offering a target for therapies to inhibit tumor growth and metastasis [1]. Moreover, TFR1 is implicated in anemia and iron metabolism disorders. Studies have shown that elevated TFR1 expression in cardiomyocytes is associated with exacerbated inflammation in myocarditis patients [3].
The tau protein, a microtubule-associated protein encoded by MAPT, is primarily localized to neuronal axons and plays a critical role in microtubule stability and assembly. By binding to microtubules, the tau protein helps to maintain neuronal cell shape. Mutations in MAPT can promote tau aggregation, leading to pathological tau protein accumulation and death of glutamatergic cortical neurons [4]. Additionally, certain MAPT mutations can affect pre-mRNA exon splicing, altering the ratio of 3R to 4R tau protein isoforms and increasing the relative production of 4R-tau protein, which is more prone to fibril formation [5].
The B6-hTFRC/htau mice are a model expressing human TFRC protein and tau protein, generated by crossing B6-hTFRC(CDS) mice (Catalog No.: C001584) with B6-htau mice (Catalog No.: C001410). These mice can be used for research on neurodegenerative diseases and iron metabolism disorders, as well as for the development and preclinical evaluation of TFRC/MAPT-targeted therapeutic agents.
B6-hTL1A/hNLRP3
Product ID:
C001690
Strain:
C57BL/6N;6JCya
Status:
Description:
TNF-like ligand 1A (TL1A), also known as TNF superfamily member 15 (TNFSF15), is a member of the tumor necrosis factor (TNF) family encoded by the TNFSF15 gene in humans. TL1A acts as a ligand for death receptor 3 (DR3) and decoy receptor 3 (DcR3), providing a stimulatory signal for downstream pathways. It regulates the proliferation, activation, and apoptosis of effector cells, as well as cytokine and chemokine production. TL1A is expressed in various immune cells, including monocytes, macrophages, dendritic cells, and T cells, as well as in non-immune cells such as synovial fibroblasts and endothelial cells. It plays a crucial role in modulating immune responses by promoting the differentiation and survival of T cells, particularly Th17 cells involved in inflammatory processes [1]. TL1A enhances IL-2 responses in anti-CD3/CD28-stimulated T cells and synergizes with IL-12 and IL-18 to augment IFN-γ release in human T and NK cells, biasing T cell differentiation toward a Th1 phenotype [2]. Dysregulation of TL1A expression is implicated in autoimmune diseases, including inflammatory bowel disease (IBD), rheumatoid arthritis (RA), primary biliary cholangitis (PBC), systemic lupus erythematosus (SLE), and ankylosing spondylitis (AS) [1]. TL1A has emerged as a promising therapeutic target, with ongoing research focused on developing monoclonal antibodies and other biologics to neutralize TL1A and reduce inflammation in autoimmune disorders. Clinical trial results suggest that TL1A inhibition can be used in the treatment of various autoimmune diseases, particularly IBD [3-5].
The Cryopyrin protein, encoded by the NOD-like receptor family pyrin domain-containing 3 (NLRP3) gene, is a core component of the inflammasome in the innate immune system. As a member of the NOD-like receptor (NLR) family, NLRP3 is predominantly expressed in leukocytes and chondrocytes. It participates in the host defense against damage and infection by recognizing pathogen-associated molecular patterns (PAMPs) or damage-associated molecular patterns (DAMPs) to activate immune responses [6]. In its inactive monomeric state, NLRP3 senses intracellular damage signals, such as abnormal protein aggregates and lipid accumulation. Upon activation, NLRP3 oligomerizes, adopting an active conformation and assembling into inflammasome complexes, subsequently activating Caspase-1 to drive the maturation and secretion of pro-inflammatory cytokines, including IL-1β and IL-18 [6-7]. Activated NLRP3 not only induces the release of inflammatory cytokines but also triggers lytic cell pyroptosis. The intracellular components released during pyroptosis can further amplify inflammatory signals, forming a positive feedback loop of autoinflammation. Moreover, IL-1β can exacerbate the inflammatory cascade by stimulating the production of inflammatory markers such as IL-6 and high-sensitivity C-reactive protein (hsCRP) [8-9]. Given NLRP3's upstream position relative to IL-1β/IL-18 and other inflammatory factors, targeting its activity can effectively block the self-reinforcing mechanism of chronic inflammation, providing a significant therapeutic strategy for inflammation-related diseases [10]. The potential therapeutic areas include Alzheimer’s disease, Parkinson’s disease (via neuroinflammation modulation), inflammatory bowel disease, metabolic dysfunction-associated steatohepatitis (MASH), gout, and obesity-related metabolic inflammation [11-12].
B6-hTL1A/hNLRP3 mice are TL1A and NLRP3 double humanized mouse models obtained by mating TL1A humanized mouse models (Catalog No. C001603) with NLRP3 humanized mouse models (Catalog No. C001616). B6-hTL1A/hNLRP3 mice express human TL1A and NLRP3 genomic sequences under the control of mouse promoters. This model is capable of reproducing human TL1A and NLRP3 and is a valuable tool for studying autoimmune diseases and inflammation-related diseases. In addition, this model also provides a powerful preclinical research platform for evaluating the efficacy and mechanism of therapeutic drugs targeting TL1A and NLRP3.
TNF-like ligand 1A (TL1A), also known as TNF superfamily member 15 (TNFSF15), is a member of the tumor necrosis factor (TNF) family encoded by the TNFSF15 gene in humans. TL1A acts as a ligand for death receptor 3 (DR3) and decoy receptor 3 (DcR3), providing a stimulatory signal for downstream pathways. It regulates the proliferation, activation, and apoptosis of effector cells, as well as cytokine and chemokine production. TL1A is expressed in various immune cells, including monocytes, macrophages, dendritic cells, and T cells, as well as in non-immune cells such as synovial fibroblasts and endothelial cells. It plays a crucial role in modulating immune responses by promoting the differentiation and survival of T cells, particularly Th17 cells involved in inflammatory processes [1]. TL1A enhances IL-2 responses in anti-CD3/CD28-stimulated T cells and synergizes with IL-12 and IL-18 to augment IFN-γ release in human T and NK cells, biasing T cell differentiation toward a Th1 phenotype [2]. Dysregulation of TL1A expression is implicated in autoimmune diseases, including inflammatory bowel disease (IBD), rheumatoid arthritis (RA), primary biliary cholangitis (PBC), systemic lupus erythematosus (SLE), and ankylosing spondylitis (AS) [1]. TL1A has emerged as a promising therapeutic target, with ongoing research focused on developing monoclonal antibodies and other biologics to neutralize TL1A and reduce inflammation in autoimmune disorders. Clinical trial results suggest that TL1A inhibition can be used in the treatment of various autoimmune diseases, particularly IBD [3-5].
The Cryopyrin protein, encoded by the NOD-like receptor family pyrin domain-containing 3 (NLRP3) gene, is a core component of the inflammasome in the innate immune system. As a member of the NOD-like receptor (NLR) family, NLRP3 is predominantly expressed in leukocytes and chondrocytes. It participates in the host defense against damage and infection by recognizing pathogen-associated molecular patterns (PAMPs) or damage-associated molecular patterns (DAMPs) to activate immune responses [6]. In its inactive monomeric state, NLRP3 senses intracellular damage signals, such as abnormal protein aggregates and lipid accumulation. Upon activation, NLRP3 oligomerizes, adopting an active conformation and assembling into inflammasome complexes, subsequently activating Caspase-1 to drive the maturation and secretion of pro-inflammatory cytokines, including IL-1β and IL-18 [6-7]. Activated NLRP3 not only induces the release of inflammatory cytokines but also triggers lytic cell pyroptosis. The intracellular components released during pyroptosis can further amplify inflammatory signals, forming a positive feedback loop of autoinflammation. Moreover, IL-1β can exacerbate the inflammatory cascade by stimulating the production of inflammatory markers such as IL-6 and high-sensitivity C-reactive protein (hsCRP) [8-9]. Given NLRP3's upstream position relative to IL-1β/IL-18 and other inflammatory factors, targeting its activity can effectively block the self-reinforcing mechanism of chronic inflammation, providing a significant therapeutic strategy for inflammation-related diseases [10]. The potential therapeutic areas include Alzheimer’s disease, Parkinson’s disease (via neuroinflammation modulation), inflammatory bowel disease, metabolic dysfunction-associated steatohepatitis (MASH), gout, and obesity-related metabolic inflammation [11-12].
B6-hTL1A/hNLRP3 mice are TL1A and NLRP3 double humanized mouse models obtained by mating TL1A humanized mouse models (Catalog No. C001603) with NLRP3 humanized mouse models (Catalog No. C001616). B6-hTL1A/hNLRP3 mice express human TL1A and NLRP3 genomic sequences under the control of mouse promoters. This model is capable of reproducing human TL1A and NLRP3 and is a valuable tool for studying autoimmune diseases and inflammation-related diseases. In addition, this model also provides a powerful preclinical research platform for evaluating the efficacy and mechanism of therapeutic drugs targeting TL1A and NLRP3.
B6-huTFRC/htau
Product ID:
C001923
Strain:
C57BL/6Cya
Status:
Description:
The Transferrin receptor (TFRC) gene encodes Transferrin Receptor 1 (TFR1), a protein that is expressed at low levels in most normal cells but shows increased expression in highly proliferative cells, such as basal epidermal cells, intestinal epithelium, and certain activated immune cells. Brain capillary endothelial cells, which constitute the blood-brain barrier (BBB), also express this receptor at high levels [1]. TFR1 plays a critical role in maintaining iron metabolism and homeostasis by facilitating receptor-mediated endocytosis of iron-bound transferrin (Tf) via Tf cycling, thereby promoting iron uptake [2]. Cellular iron deficiency can lead to apoptosis, while cellular transformation requires substantial iron to sustain proliferation, with iron overload contributing to tumor progression. The high expression of TFR1 in many tumors makes it a potential tumor marker, offering a target for therapies to inhibit tumor growth and metastasis [1]. Moreover, TFR1 is implicated in anemia and iron metabolism disorders. Studies have shown that elevated TFR1 expression in cardiomyocytes is associated with exacerbated inflammation in myocarditis patients [3]. As a target for antibody-mediated cancer therapy, TFR1 can be leveraged through two approaches: one involves the use of antibodies conjugated to anti-cancer drugs, which are indirectly internalized via receptor-mediated endocytosis; the other employs antibodies that directly disrupt receptor function or induce Fc effector functions such as antibody-dependent cellular cytotoxicity (ADCC), antibody-dependent cellular phagocytosis (ADCP), or complement-dependent cytotoxicity (CDC). Various clinical drugs targeting TFR1 are currently under development, including antisense oligonucleotides (ASOs), antibody-drug conjugates (ADCs), and antibody-oligonucleotide conjugates, applicable to diseases such as cancer, anemia, and neurodegenerative disorders. Research indicates that enhancing antibody transport across the blood-brain barrier via TFR1, by forming specific bispecific antibodies with anti-β-amyloid antibodies, can improve therapeutic outcomes in Alzheimer's patients [4-5]. As research progresses, TFR1 is expected to become an effective clinical target for multiple diseases and a synergistic target for drug delivery across the blood-brain barrier (BBB).
The tau protein, a microtubule-associated protein encoded by MAPT, is primarily localized to neuronal axons and plays a critical role in microtubule stability and assembly. By binding to microtubules, the tau protein helps to maintain neuronal cell shape. Mutations in MAPT can promote tau aggregation, leading to pathological tau protein accumulation and death of glutamatergic cortical neurons [6]. Additionally, certain MAPT mutations can affect pre-mRNA exon splicing, altering the ratio of 3R to 4R tau protein isoforms and increasing the relative production of 4R-tau protein, which is more prone to fibril formation [7-8].
The B6-huTFRC/htau mouse is a dual-gene humanized model obtained by mating B6-huTFRC mice (catalog number: C001860) with B6-htau mice (catalog number: C001410). This model can be used for research on neurodegenerative diseases and iron metabolism diseases, as well as pre-clinical studies of TFRC/MAPT-targeted therapeutic drugs.
The Transferrin receptor (TFRC) gene encodes Transferrin Receptor 1 (TFR1), a protein that is expressed at low levels in most normal cells but shows increased expression in highly proliferative cells, such as basal epidermal cells, intestinal epithelium, and certain activated immune cells. Brain capillary endothelial cells, which constitute the blood-brain barrier (BBB), also express this receptor at high levels [1]. TFR1 plays a critical role in maintaining iron metabolism and homeostasis by facilitating receptor-mediated endocytosis of iron-bound transferrin (Tf) via Tf cycling, thereby promoting iron uptake [2]. Cellular iron deficiency can lead to apoptosis, while cellular transformation requires substantial iron to sustain proliferation, with iron overload contributing to tumor progression. The high expression of TFR1 in many tumors makes it a potential tumor marker, offering a target for therapies to inhibit tumor growth and metastasis [1]. Moreover, TFR1 is implicated in anemia and iron metabolism disorders. Studies have shown that elevated TFR1 expression in cardiomyocytes is associated with exacerbated inflammation in myocarditis patients [3]. As a target for antibody-mediated cancer therapy, TFR1 can be leveraged through two approaches: one involves the use of antibodies conjugated to anti-cancer drugs, which are indirectly internalized via receptor-mediated endocytosis; the other employs antibodies that directly disrupt receptor function or induce Fc effector functions such as antibody-dependent cellular cytotoxicity (ADCC), antibody-dependent cellular phagocytosis (ADCP), or complement-dependent cytotoxicity (CDC). Various clinical drugs targeting TFR1 are currently under development, including antisense oligonucleotides (ASOs), antibody-drug conjugates (ADCs), and antibody-oligonucleotide conjugates, applicable to diseases such as cancer, anemia, and neurodegenerative disorders. Research indicates that enhancing antibody transport across the blood-brain barrier via TFR1, by forming specific bispecific antibodies with anti-β-amyloid antibodies, can improve therapeutic outcomes in Alzheimer's patients [4-5]. As research progresses, TFR1 is expected to become an effective clinical target for multiple diseases and a synergistic target for drug delivery across the blood-brain barrier (BBB).
The tau protein, a microtubule-associated protein encoded by MAPT, is primarily localized to neuronal axons and plays a critical role in microtubule stability and assembly. By binding to microtubules, the tau protein helps to maintain neuronal cell shape. Mutations in MAPT can promote tau aggregation, leading to pathological tau protein accumulation and death of glutamatergic cortical neurons [6]. Additionally, certain MAPT mutations can affect pre-mRNA exon splicing, altering the ratio of 3R to 4R tau protein isoforms and increasing the relative production of 4R-tau protein, which is more prone to fibril formation [7-8].
The B6-huTFRC/htau mouse is a dual-gene humanized model obtained by mating B6-huTFRC mice (catalog number: C001860) with B6-htau mice (catalog number: C001410). This model can be used for research on neurodegenerative diseases and iron metabolism diseases, as well as pre-clinical studies of TFRC/MAPT-targeted therapeutic drugs.
B6-hTROP2 (hTACSTD2)
Product ID:
C001718
Strain:
C57BL/6NCya
Status:
Description:
Tumor-Associated Calcium Signal Transducer 2, encoded by the TACSTD2 gene, is a prominent type I transmembrane glycoprotein critically involved in mediating diverse cellular processes [1]. Acting primarily as a cell surface receptor, TROP2 transduces extracellular signals to initiate intracellular calcium release, thereby influencing key cellular behaviors including proliferation, adhesion, migration, and differentiation. While its expression is notably high during embryonic development, particularly in fetal tissues and trophoblasts, and maintained at lower levels in some normal adult epithelial lineages, aberrant and significant upregulation of TROP2 is a hallmark feature across a wide spectrum of human carcinomas [2]. This dysregulated expression contributes substantially to tumor initiation, progression, and metastasis by modulating various signaling pathways [3]. Beyond its role in oncogenesis, germline mutations in TACSTD2 are identified as the underlying cause of the rare autosomal recessive disorder, gelatinous drop-like corneal dystrophy [4]. The distinct expression profile of TROP2, with its high levels in numerous solid tumors contrasted by limited expression in most healthy adult tissues, positions it as a compelling and clinically relevant target for developing targeted therapies, notably antibody-drug conjugates, aimed at treating TROP2-expressing cancers [3].
The B6-hTROP2 (hTACSTD2) mouse is a humanized model constructed by replacing the signal peptide and extracellular domain of the mouse Tacstd2 with the corresponding signal peptide and extracellular domain from the human TACSTD2 gene. The B6-hTROP2 (hTACSTD2) mice can be used for studies on pathogenesis of various cancers, as well as for TACSTD2-targeted drug development.
Tumor-Associated Calcium Signal Transducer 2, encoded by the TACSTD2 gene, is a prominent type I transmembrane glycoprotein critically involved in mediating diverse cellular processes [1]. Acting primarily as a cell surface receptor, TROP2 transduces extracellular signals to initiate intracellular calcium release, thereby influencing key cellular behaviors including proliferation, adhesion, migration, and differentiation. While its expression is notably high during embryonic development, particularly in fetal tissues and trophoblasts, and maintained at lower levels in some normal adult epithelial lineages, aberrant and significant upregulation of TROP2 is a hallmark feature across a wide spectrum of human carcinomas [2]. This dysregulated expression contributes substantially to tumor initiation, progression, and metastasis by modulating various signaling pathways [3]. Beyond its role in oncogenesis, germline mutations in TACSTD2 are identified as the underlying cause of the rare autosomal recessive disorder, gelatinous drop-like corneal dystrophy [4]. The distinct expression profile of TROP2, with its high levels in numerous solid tumors contrasted by limited expression in most healthy adult tissues, positions it as a compelling and clinically relevant target for developing targeted therapies, notably antibody-drug conjugates, aimed at treating TROP2-expressing cancers [3].
The B6-hTROP2 (hTACSTD2) mouse is a humanized model constructed by replacing the signal peptide and extracellular domain of the mouse Tacstd2 with the corresponding signal peptide and extracellular domain from the human TACSTD2 gene. The B6-hTROP2 (hTACSTD2) mice can be used for studies on pathogenesis of various cancers, as well as for TACSTD2-targeted drug development.
hGLP1R(SD)
Product ID:
CR014
Strain:
SD
Status:
Description:
The glucagon-like peptide-1 receptor (GLP-1R), encoded by the GLP1R gene, is the receptor for endogenous glucagon-like peptide-1 (GLP-1) and belongs to the class B (secretin-like) G protein-coupled receptor (GPCR) family. GLP-1R contains a characteristic seven-transmembrane domain (7TM) and a relatively large N-terminal extracellular domain, and mediates downstream signaling upon binding to GLP-1 [1]. GLP-1R is predominantly expressed in pancreatic β cells and is also detected in the central nervous system and other tissues. Upon ligand activation, GLP-1R can undergo internalization and participate in the regulation of insulin secretion and energy metabolism [2-3]. Activation of GLP-1R enhances glucose-dependent insulin secretion and inhibits glucagon secretion, while also delaying gastric emptying and reducing food intake [3-4]. GLP-1 receptor agonists (GLP-1RAs) are important therapeutic agents for the treatment of type 2 diabetes (T2D) and obesity, and improve glycemic control and promote weight loss through these multiple mechanisms [4]. In addition, GLP-1R-related signaling has been extensively investigated for its potential neuroprotective effects. Neuroprotective effects of GLP-1R agonists have been observed in animal models of stroke, although their clinical value for the direct treatment of acute stroke requires further investigation [5].
The hGLP1R(SD) Rat was generated by gene editing to replace a partial coding sequence of exon 1 and a partial sequence of intron 1 of the rat Glp1r gene with Exon 1-2 of Human GLP1R CDS (without signal peptide)-Human GLP1R intron 2-Exon 3-13 of Human GLP1R CDS-hGH pA, while retaining the sequence encoding the signal peptide of rat GLP1R. Its potential applications mainly include mechanistic studies of type 2 diabetes (T2D), obesity, and other metabolic diseases, as well as pharmacological studies of GLP-1R-targeted therapeutics, candidate drug screening, and evaluation of their potential effects.
The glucagon-like peptide-1 receptor (GLP-1R), encoded by the GLP1R gene, is the receptor for endogenous glucagon-like peptide-1 (GLP-1) and belongs to the class B (secretin-like) G protein-coupled receptor (GPCR) family. GLP-1R contains a characteristic seven-transmembrane domain (7TM) and a relatively large N-terminal extracellular domain, and mediates downstream signaling upon binding to GLP-1 [1]. GLP-1R is predominantly expressed in pancreatic β cells and is also detected in the central nervous system and other tissues. Upon ligand activation, GLP-1R can undergo internalization and participate in the regulation of insulin secretion and energy metabolism [2-3]. Activation of GLP-1R enhances glucose-dependent insulin secretion and inhibits glucagon secretion, while also delaying gastric emptying and reducing food intake [3-4]. GLP-1 receptor agonists (GLP-1RAs) are important therapeutic agents for the treatment of type 2 diabetes (T2D) and obesity, and improve glycemic control and promote weight loss through these multiple mechanisms [4]. In addition, GLP-1R-related signaling has been extensively investigated for its potential neuroprotective effects. Neuroprotective effects of GLP-1R agonists have been observed in animal models of stroke, although their clinical value for the direct treatment of acute stroke requires further investigation [5].
The hGLP1R(SD) Rat was generated by gene editing to replace a partial coding sequence of exon 1 and a partial sequence of intron 1 of the rat Glp1r gene with Exon 1-2 of Human GLP1R CDS (without signal peptide)-Human GLP1R intron 2-Exon 3-13 of Human GLP1R CDS-hGH pA, while retaining the sequence encoding the signal peptide of rat GLP1R. Its potential applications mainly include mechanistic studies of type 2 diabetes (T2D), obesity, and other metabolic diseases, as well as pharmacological studies of GLP-1R-targeted therapeutics, candidate drug screening, and evaluation of their potential effects.
hGLP1R/Lep-KO(ob/ob)
Product ID:
C001601
Strain:
C57BL/6NCya;C57BL/6JCya
Status:
Description:
The Glucagon-like peptide 1 receptor (GLP1R) gene encodes a protein that belongs to the glucagon receptor subfamily of the G protein-coupled receptor B cluster [1]. This cell surface receptor protein is widely expressed in tissues such as the brain, small intestine, heart, and lungs, and plays a crucial role in insulin secretion signaling cascades by responding to GLP-1 and GLP-1 analogs. Animal model data also suggest that it has neuroprotective effects. Polymorphisms of this gene are closely associated with diabetes, making the GLP-1R protein an important drug target for the treatment of type 2 diabetes and stroke [2-3]. Glucagon-like peptide-1 receptor agonists (GLP-1RA) are novel anti-diabetic drugs that activate GLP-1R to enhance insulin secretion, inhibit glucagon secretion, delay gastric emptying, and reduce food intake through central appetite suppression, thereby achieving blood sugar reduction and weight loss [4].
The leptin (LEP) gene, also known as the OB gene, encodes the leptin protein, which is secreted into the circulation by white adipocytes and plays a major role in regulating energy homeostasis. Circulating leptin binds to leptin receptors (LEPR) in the brain, activating downstream signaling pathways that inhibit feeding and promote energy expenditure. Leptin also has multiple endocrine functions and is involved in physiopathological processes such as immune and inflammatory responses, hematopoiesis, angiogenesis, reproduction, bone formation, and wound healing [6]. Mutations in the LEP gene and its regulatory regions lead to severe obesity and morbid obesity with hypogonadism in humans and are also associated with the development of type II diabetes [7].
The hGLP1R/Lep-KO(ob/ob) mouse model, generated by mating hGLP1R mice (Catalog Number: C001421) with Lep-KO (ob/ob) mice (Catalog Number: C001368), is a metabolic disease model. It can be used for research on the pathogenic mechanisms of various metabolic diseases, such as obesity and type II diabetes, and for screening GLP-1RA drugs.
The Glucagon-like peptide 1 receptor (GLP1R) gene encodes a protein that belongs to the glucagon receptor subfamily of the G protein-coupled receptor B cluster [1]. This cell surface receptor protein is widely expressed in tissues such as the brain, small intestine, heart, and lungs, and plays a crucial role in insulin secretion signaling cascades by responding to GLP-1 and GLP-1 analogs. Animal model data also suggest that it has neuroprotective effects. Polymorphisms of this gene are closely associated with diabetes, making the GLP-1R protein an important drug target for the treatment of type 2 diabetes and stroke [2-3]. Glucagon-like peptide-1 receptor agonists (GLP-1RA) are novel anti-diabetic drugs that activate GLP-1R to enhance insulin secretion, inhibit glucagon secretion, delay gastric emptying, and reduce food intake through central appetite suppression, thereby achieving blood sugar reduction and weight loss [4].
The leptin (LEP) gene, also known as the OB gene, encodes the leptin protein, which is secreted into the circulation by white adipocytes and plays a major role in regulating energy homeostasis. Circulating leptin binds to leptin receptors (LEPR) in the brain, activating downstream signaling pathways that inhibit feeding and promote energy expenditure. Leptin also has multiple endocrine functions and is involved in physiopathological processes such as immune and inflammatory responses, hematopoiesis, angiogenesis, reproduction, bone formation, and wound healing [6]. Mutations in the LEP gene and its regulatory regions lead to severe obesity and morbid obesity with hypogonadism in humans and are also associated with the development of type II diabetes [7].
The hGLP1R/Lep-KO(ob/ob) mouse model, generated by mating hGLP1R mice (Catalog Number: C001421) with Lep-KO (ob/ob) mice (Catalog Number: C001368), is a metabolic disease model. It can be used for research on the pathogenic mechanisms of various metabolic diseases, such as obesity and type II diabetes, and for screening GLP-1RA drugs.
hGLP1R
Product ID:
C001421
Strain:
C57BL/6NCya
Status:
Description:
The Glucagon-like peptide 1 receptor (GLP1R) gene encodes a protein that belongs to the glucagon receptor subfamily of the G protein-coupled receptor B cluster [1]. This cell surface receptor protein is widely expressed in tissues such as the brain, small intestine, heart, and lungs, and plays a crucial role in insulin secretion signaling cascades by responding to GLP-1 and GLP-1 analogs. Animal model data also suggest that it has neuroprotective effects. Polymorphisms of this gene are closely associated with diabetes, making the GLP-1R protein an important drug target for the treatment of type 2 diabetes and stroke [2-3]. Glucagon-like peptide-1 receptor agonists (GLP-1RA) are novel anti-diabetic drugs that activate GLP-1R to enhance insulin secretion, inhibit glucagon secretion, delay gastric emptying, and reduce food intake through central appetite suppression, thereby achieving blood sugar reduction and weight loss [4].
hGLP1R mice are a model of mouse Glp1r gene humanization, in which the sequences encoding the seven-transmembrane (7TM) structural domain and the larger extracellular structural domain of the human GLP1R gene were inserted into the mouse Glp1r gene sequence using gene editing technology. This model expresses the key functional regions of the human GLP-1R protein while preserving the signal peptide and 3’UTR region of mouse GLp1r. It can be used to study the pathogenesis of various metabolic diseases, such as obesity and type II diabetes, as well as for screening in GLP-1RA drug development. Homozygous hGLP1R mice are viable and fertile.
The Glucagon-like peptide 1 receptor (GLP1R) gene encodes a protein that belongs to the glucagon receptor subfamily of the G protein-coupled receptor B cluster [1]. This cell surface receptor protein is widely expressed in tissues such as the brain, small intestine, heart, and lungs, and plays a crucial role in insulin secretion signaling cascades by responding to GLP-1 and GLP-1 analogs. Animal model data also suggest that it has neuroprotective effects. Polymorphisms of this gene are closely associated with diabetes, making the GLP-1R protein an important drug target for the treatment of type 2 diabetes and stroke [2-3]. Glucagon-like peptide-1 receptor agonists (GLP-1RA) are novel anti-diabetic drugs that activate GLP-1R to enhance insulin secretion, inhibit glucagon secretion, delay gastric emptying, and reduce food intake through central appetite suppression, thereby achieving blood sugar reduction and weight loss [4].
hGLP1R mice are a model of mouse Glp1r gene humanization, in which the sequences encoding the seven-transmembrane (7TM) structural domain and the larger extracellular structural domain of the human GLP1R gene were inserted into the mouse Glp1r gene sequence using gene editing technology. This model expresses the key functional regions of the human GLP-1R protein while preserving the signal peptide and 3’UTR region of mouse GLp1r. It can be used to study the pathogenesis of various metabolic diseases, such as obesity and type II diabetes, as well as for screening in GLP-1RA drug development. Homozygous hGLP1R mice are viable and fertile.
huTARDBP
Product ID:
C001418
Strain:
C57BL/6JCya
Status:
Description:
Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a fatal progressive neurodegenerative disease characterized by the degeneration and death of motor neurons in the central nervous system. This loss of motor neurons leads to progressive muscle weakness and atrophy, ultimately culminating in the complete loss of voluntary muscle control. Consequently, ALS can induce speech, swallowing, and respiratory difficulties [1]. Critically, unlike Alzheimer's disease, ALS does not necessarily impact higher-order cognitive functions. Remarkably, patients in advanced stages of the disease can maintain clear thinking and retain their premorbid memory, personality, and intelligence. Several genes have been identified as causative factors in ALS, including SOD1, ALS2, TARDBP, and FUS. Among them, TARDBP (TAR DNA-binding protein) is a gene encoding a protein involved in diverse cellular functions, including facilitating nuclear protein import, regulating circadian rhythms, and maintaining protein stability [2]. Mutations in the TARDBP gene are linked to ALS. These mutations can lead to abnormal TDP-43 protein accumulation and its mislocalization to the cytoplasm, a key pathological hallmark of the disease [3].
TARDBP-targeted therapy is mainly based on monoclonal antibody drugs, most of which are still in the preclinical stage of development. Oligonucleotides such as ASO and gene therapy have also been reported in the literature. These drugs are mainly used for the treatment of neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). TARDBP is a new and popular target for the treatment of ALS. Preclinical disease research models are mainly transgenic (TG) or point mutation (PM) mice. To advance TARDBP-targeted drug therapies, especially gene and oligonucleotide therapies, Cyagen has independently developed a mouse Tardbp gene humanized model, which replaces the mouse Tardbp gene with the human TARDBP gene through gene editing technology. It can be used to study neurodegenerative diseases such as amyotrophic lateral sclerosis and frontotemporal dementia. The homozygous huTARDBP mice are viable and fertile. In addition, based on the technological innovation of TurboKnockout fusion BAC recombination, Cyagen can also provide popular point mutation disease models based on this model and can provide customized services according to different point mutations to meet the needs of researchers for amyotrophic lateral sclerosis and frontotemporal dementia.
Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's disease, is a fatal progressive neurodegenerative disease characterized by the degeneration and death of motor neurons in the central nervous system. This loss of motor neurons leads to progressive muscle weakness and atrophy, ultimately culminating in the complete loss of voluntary muscle control. Consequently, ALS can induce speech, swallowing, and respiratory difficulties [1]. Critically, unlike Alzheimer's disease, ALS does not necessarily impact higher-order cognitive functions. Remarkably, patients in advanced stages of the disease can maintain clear thinking and retain their premorbid memory, personality, and intelligence. Several genes have been identified as causative factors in ALS, including SOD1, ALS2, TARDBP, and FUS. Among them, TARDBP (TAR DNA-binding protein) is a gene encoding a protein involved in diverse cellular functions, including facilitating nuclear protein import, regulating circadian rhythms, and maintaining protein stability [2]. Mutations in the TARDBP gene are linked to ALS. These mutations can lead to abnormal TDP-43 protein accumulation and its mislocalization to the cytoplasm, a key pathological hallmark of the disease [3].
TARDBP-targeted therapy is mainly based on monoclonal antibody drugs, most of which are still in the preclinical stage of development. Oligonucleotides such as ASO and gene therapy have also been reported in the literature. These drugs are mainly used for the treatment of neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). TARDBP is a new and popular target for the treatment of ALS. Preclinical disease research models are mainly transgenic (TG) or point mutation (PM) mice. To advance TARDBP-targeted drug therapies, especially gene and oligonucleotide therapies, Cyagen has independently developed a mouse Tardbp gene humanized model, which replaces the mouse Tardbp gene with the human TARDBP gene through gene editing technology. It can be used to study neurodegenerative diseases such as amyotrophic lateral sclerosis and frontotemporal dementia. The homozygous huTARDBP mice are viable and fertile. In addition, based on the technological innovation of TurboKnockout fusion BAC recombination, Cyagen can also provide popular point mutation disease models based on this model and can provide customized services according to different point mutations to meet the needs of researchers for amyotrophic lateral sclerosis and frontotemporal dementia.
huSNCA
Product ID:
C001427
Strain:
C57BL/6NCya
Status:
Description:
Parkinson's disease (PD) is a degenerative disease of the nervous system that occurs mostly in middle-aged and elderly people and is the second most common neurodegenerative disease after Alzheimer's disease (AD). Clinical symptoms of PD are characterized by resting tremors, limb stiffness, bradykinesia, and lack of voluntary movement. The typical pathology of PD is characterized by the formation of Lewy bodies (LB) in the central nervous system (CNS). This process leads to the progressive death and loss of dopaminergic neurons, ultimately resulting in the development of Parkinson's disease. Lewy bodies are mainly composed of insoluble aggregates of abnormal α-synuclein (α-syn).
The SNCA gene, one of the key pathogenic genes in Parkinson's disease, encodes α-syn. Mutations in SNCA can cause overexpression of α-syn, which leads to the formation of Lewy bodies and ultimately PD. Therefore, the SNCA gene is considered an effective drug target for the treatment of PD [1].
Gene therapy is one of the ways to treat PD, among which the development prospects of SNCA-targeted drugs are particularly prominent. The drug pipelines targeting SNCA are widely laid out, and ASO, siRNA, and CRISPR therapies have emerged [2].
This strain is a mouse Snca gene humanized model and can be used for research on PD. The homozygous huSNCA mice are viable and fertile. Leveraging its proprietary TurboKnockout fusion BAC recombination technology, Cyagen can also generate hot mutation models based on this strain and provide customized services for specific mutations to meet the experimental needs in pharmacology and other fields related to PD.
Parkinson's disease (PD) is a degenerative disease of the nervous system that occurs mostly in middle-aged and elderly people and is the second most common neurodegenerative disease after Alzheimer's disease (AD). Clinical symptoms of PD are characterized by resting tremors, limb stiffness, bradykinesia, and lack of voluntary movement. The typical pathology of PD is characterized by the formation of Lewy bodies (LB) in the central nervous system (CNS). This process leads to the progressive death and loss of dopaminergic neurons, ultimately resulting in the development of Parkinson's disease. Lewy bodies are mainly composed of insoluble aggregates of abnormal α-synuclein (α-syn).
The SNCA gene, one of the key pathogenic genes in Parkinson's disease, encodes α-syn. Mutations in SNCA can cause overexpression of α-syn, which leads to the formation of Lewy bodies and ultimately PD. Therefore, the SNCA gene is considered an effective drug target for the treatment of PD [1].
Gene therapy is one of the ways to treat PD, among which the development prospects of SNCA-targeted drugs are particularly prominent. The drug pipelines targeting SNCA are widely laid out, and ASO, siRNA, and CRISPR therapies have emerged [2].
This strain is a mouse Snca gene humanized model and can be used for research on PD. The homozygous huSNCA mice are viable and fertile. Leveraging its proprietary TurboKnockout fusion BAC recombination technology, Cyagen can also generate hot mutation models based on this strain and provide customized services for specific mutations to meet the experimental needs in pharmacology and other fields related to PD.
huSNCA(2)/huTFRC
Product ID:
C001873
Strain:
C57BL/6NCya
Status:
Description:
The Transferrin receptor (TFRC) gene encodes Transferrin Receptor 1 (TFR1), a protein that is expressed at low levels in most normal cells but shows increased expression in highly proliferative cells, such as basal epidermal cells, intestinal epithelium, and certain activated immune cells. Brain capillary endothelial cells, which constitute the blood-brain barrier (BBB), also express this receptor at high levels [1]. TFR1 plays a critical role in maintaining iron metabolism and homeostasis by facilitating receptor-mediated endocytosis of iron-bound transferrin (Tf) via Tf cycling, thereby promoting iron uptake [2]. Cellular iron deficiency can lead to apoptosis, while cellular transformation requires substantial iron to sustain proliferation, with iron overload contributing to tumor progression. The high expression of TFR1 in many tumors makes it a potential tumor marker, offering a target for therapies to inhibit tumor growth and metastasis [1]. Moreover, TFR1 is implicated in anemia and iron metabolism disorders. Studies have shown that elevated TFR1 expression in cardiomyocytes is associated with exacerbated inflammation in myocarditis patients [3]. Various clinical drugs targeting TFR1 are currently under development, including antisense oligonucleotides (ASOs), antibody-drug conjugates (ADCs), and antibody-oligonucleotide conjugates, applicable to diseases such as cancer, anemia, and neurodegenerative disorders. Research indicates that enhancing antibody transport across the blood-brain barrier via TFR1, by forming specific bispecific antibodies with anti-β-amyloid antibodies, can improve therapeutic outcomes in Alzheimer's patients [4-5]. As research progresses, TFR1 is expected to become an effective clinical target for multiple diseases and a synergistic target for drug delivery across the blood-brain barrier (BBB).
Parkinson's disease (PD) is a neurodegenerative disease with a high prevalence mainly in the middle-aged and elderly population. It is the second most common neurodegenerative disease after Alzheimer's disease (AD). The main clinical symptoms include resting tremors, limb stiffness, bradykinesia, loss of voluntary movement, etc. The typical pathological process of PD is the formation of Lewy bodies (LB) in the central nervous system (CNS), which results in the gradual death and loss of dopaminergic neurons, leading to the disease [6-7]. The main components of Lewy bodies are insoluble aggregates of abnormal α-synuclein (α-syn), and the SNCA gene, which encodes α-synuclein, is one of the key causative genes in Parkinson's disease. Mutations in this gene cause overexpression of α-syn, leading to the formation of Lewy bodies, ultimately leading to PD [8]. In addition, SNCA mutations are also associated with diseases such as dementia with Lewy bodies (DLB) and multiple system atrophy (MSA).
huSNCA(2)/huTFRC mice are a dual-gene humanized model generated by crossing huTFRC mice (Catalog No.: C001860) with huSNCA(2) mice (Catalog No.: C001698). This model can be used for research on neurodegenerative diseases such as Parkinson's disease (PD), dementia with Lewy bodies (DLB), and multiple system atrophy (MSA), as well as iron metabolism disorders and tumorigenesis and development. It is also applicable for the development of TFRC/SNCA-targeted drugs.
The Transferrin receptor (TFRC) gene encodes Transferrin Receptor 1 (TFR1), a protein that is expressed at low levels in most normal cells but shows increased expression in highly proliferative cells, such as basal epidermal cells, intestinal epithelium, and certain activated immune cells. Brain capillary endothelial cells, which constitute the blood-brain barrier (BBB), also express this receptor at high levels [1]. TFR1 plays a critical role in maintaining iron metabolism and homeostasis by facilitating receptor-mediated endocytosis of iron-bound transferrin (Tf) via Tf cycling, thereby promoting iron uptake [2]. Cellular iron deficiency can lead to apoptosis, while cellular transformation requires substantial iron to sustain proliferation, with iron overload contributing to tumor progression. The high expression of TFR1 in many tumors makes it a potential tumor marker, offering a target for therapies to inhibit tumor growth and metastasis [1]. Moreover, TFR1 is implicated in anemia and iron metabolism disorders. Studies have shown that elevated TFR1 expression in cardiomyocytes is associated with exacerbated inflammation in myocarditis patients [3]. Various clinical drugs targeting TFR1 are currently under development, including antisense oligonucleotides (ASOs), antibody-drug conjugates (ADCs), and antibody-oligonucleotide conjugates, applicable to diseases such as cancer, anemia, and neurodegenerative disorders. Research indicates that enhancing antibody transport across the blood-brain barrier via TFR1, by forming specific bispecific antibodies with anti-β-amyloid antibodies, can improve therapeutic outcomes in Alzheimer's patients [4-5]. As research progresses, TFR1 is expected to become an effective clinical target for multiple diseases and a synergistic target for drug delivery across the blood-brain barrier (BBB).
Parkinson's disease (PD) is a neurodegenerative disease with a high prevalence mainly in the middle-aged and elderly population. It is the second most common neurodegenerative disease after Alzheimer's disease (AD). The main clinical symptoms include resting tremors, limb stiffness, bradykinesia, loss of voluntary movement, etc. The typical pathological process of PD is the formation of Lewy bodies (LB) in the central nervous system (CNS), which results in the gradual death and loss of dopaminergic neurons, leading to the disease [6-7]. The main components of Lewy bodies are insoluble aggregates of abnormal α-synuclein (α-syn), and the SNCA gene, which encodes α-synuclein, is one of the key causative genes in Parkinson's disease. Mutations in this gene cause overexpression of α-syn, leading to the formation of Lewy bodies, ultimately leading to PD [8]. In addition, SNCA mutations are also associated with diseases such as dementia with Lewy bodies (DLB) and multiple system atrophy (MSA).
huSNCA(2)/huTFRC mice are a dual-gene humanized model generated by crossing huTFRC mice (Catalog No.: C001860) with huSNCA(2) mice (Catalog No.: C001698). This model can be used for research on neurodegenerative diseases such as Parkinson's disease (PD), dementia with Lewy bodies (DLB), and multiple system atrophy (MSA), as well as iron metabolism disorders and tumorigenesis and development. It is also applicable for the development of TFRC/SNCA-targeted drugs.
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