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C57BL/6JCya-Atp6ap2em1flox/Cya
Common Name:
Atp6ap2-flox
Product ID:
S-CKO-14842
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
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Price:
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Basic Information
Strain Name
Atp6ap2-flox
Strain ID
CKOCMP-70495-Atp6ap2-B6J-VA
Gene Name
Atp6ap2
Product ID
S-CKO-14842
Gene Alias
(P)RR; 5730403E06Rik; APT6M8-9; ATP6M8-9; Atp6ip2; M8-9; PRR
Background
C57BL/6JCya
NCBI ID
70495
Modification
Conditional knockout
Chromosome
X
Phenotype
MGI:1917745
Document
Click here to download >>
Application
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More
Rare Disease Data Center >>
Note
Note: When using this mouse strain in a publication, please cite “C57BL/6JCya-Atp6ap2em1flox/Cya mice (Catalog S-CKO-14842) were purchased from Cyagen.”
Strain Description
Ensembl Number
ENSMUST00000033313
NCBI RefSeq
NM_027439
Target Region
Exon 2~3
Size of Effective Region
~2.5 kb
Detailed Document
Click here to download >>
Overview of Gene Research
Atp6ap2, also known as the prorenin receptor (PRR), is an accessory subunit of V-ATPase. It plays a crucial role in multiple signaling pathways, including Wnt/β-catenin signaling, and is involved in maintaining cellular homeostasis, regulating pH in extracellular space and intracellular compartments, and participating in autophagy [2,8].

In osteoclast (OC)-lineage cells, conditional KO (cKO) of Atp6ap2 in OCs leads to trabecular bone loss due to increased osteoclastogenesis and activity, as bone formation rates remain normal. The absence of Atp6ap2 reduces basal levels of Wnt/β-catenin pathway proteins in OCs [1].

In OB-lineage cells, cKO of Atp6ap2 reduces trabecular bone formation and bone mass, impairs β-catenin signaling, and affects the distribution of LRP6/β-catenin and N-cadherin/β-catenin protein complexes at the cell membrane [3].

In cardiomyocytes, knockdown of Atp6ap2 deteriorates heart function by compromising autophagic flux and activating NLRP3 inflammasome [5].

In pancreatic β cells and insulinoma cells, Atp6ap2 is robustly expressed, and its knockdown in insulinoma-derived cells decreases cell viability [4].

In breast cancer cells, Atp6ap2 is overexpressed and promotes cancer progression, and its decline in senescent breast cancer cells triggers pH dysregulation [6,7].

In the renal nephron, nephron-specific Atp6ap2 knockout increases urinary excretion of fatty acids and decreases renal cortical megalin expression [9].

In conclusion, Atp6ap2 is essential for maintaining normal physiological functions in various tissues. Studies using KO/CKO mouse models have revealed its critical role in bone homeostasis, heart function, pancreatic cell viability, cancer progression, and renal function. Understanding Atp6ap2 functions through these models provides insights into the mechanisms of related diseases and potential therapeutic targets.

References:
1. Chen, Li, Xiong, Lei, Guo, Haohan, Zhu, Xiaojuan, Xiong, Wen-Cheng. . Osteoclastic ATP6AP2 maintains β-catenin levels to prevent hyper-osteoclastic activation and trabecular bone-loss. In Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 39, 1821-1834. doi:10.1093/jbmr/zjae164. https://pubmed.ncbi.nlm.nih.gov/39400061/
2. Bracke, Alexander, von Bohlen Und Halbach, Oliver. . Roles and functions of Atp6ap2 in the brain. In Neural regeneration research, 13, 2038-2043. doi:10.4103/1673-5374.241428. https://pubmed.ncbi.nlm.nih.gov/30323117/
3. Xiong, Lei, Guo, Hao-Han, Pan, Jin-Xiu, Mei, Lin, Xiong, Wen-Cheng. 2024. ATP6AP2, a regulator of LRP6/β-catenin protein trafficking, promotes Wnt/β-catenin signaling and bone formation in a cell type dependent manner. In Bone research, 12, 33. doi:10.1038/s41413-024-00335-7. https://pubmed.ncbi.nlm.nih.gov/38811544/
4. Taguchi, Tomomi, Kimura, Kaori, Suzuki, Agena, Sasaki, Shugo, Miyatsuka, Takeshi. 2023. ATP6AP2 is robustly expressed in pancreatic β cells and neuroendocrine tumors, and plays a role in maintaining cellular viability. In Scientific reports, 13, 9260. doi:10.1038/s41598-023-36265-3. https://pubmed.ncbi.nlm.nih.gov/37286698/
5. Li, Lei, Cui, Ya-Juan, Liu, Yu, Yan, Feng, Dong, Bo. 2022. ATP6AP2 knockdown in cardiomyocyte deteriorates heart function via compromising autophagic flux and NLRP3 inflammasome activation. In Cell death discovery, 8, 161. doi:10.1038/s41420-022-00967-w. https://pubmed.ncbi.nlm.nih.gov/35379787/
6. Zhao, Kankan, Wang, Mengchuan, Wu, Aiguo. 2020. ATP6AP2 is Overexpressed in Breast Cancer and Promotes Breast Cancer Progression. In Cancer management and research, 12, 10449-10459. doi:10.2147/CMAR.S270024. https://pubmed.ncbi.nlm.nih.gov/33122944/
7. Li, Wei, Kawaguchi, Kosuke, Tanaka, Sunao, Suzuki, Eiji, Toi, Masakazu. 2023. Cellular senescence triggers intracellular acidification and lysosomal pH alkalinized via ATP6AP2 attenuation in breast cancer cells. In Communications biology, 6, 1147. doi:10.1038/s42003-023-05433-6. https://pubmed.ncbi.nlm.nih.gov/37993606/
8. Hoffmann, Nadin, Peters, Jörg. 2021. Functions of the (pro)renin receptor (Atp6ap2) at molecular and system levels: pathological implications in hypertension, renal and brain development, inflammation, and fibrosis. In Pharmacological research, 173, 105922. doi:10.1016/j.phrs.2021.105922. https://pubmed.ncbi.nlm.nih.gov/34607004/
9. Culver, Silas A, Hargett, Stefan R, Balugo, Jamie L L Q, Harris, Thurl E, Siragy, Helmy M. 2024. Nephron specific ATP6AP2 knockout increases urinary excretion of fatty acids and decreases renal cortical megalin expression. In Scientific reports, 14, 18724. doi:10.1038/s41598-024-69749-x. https://pubmed.ncbi.nlm.nih.gov/39134597/
Quality Control Standard
Sperm Test

Pre-cryopreservation: Measurement of sperm concentration, determination of sperm viability.

Post-cryopreservation: A vial of cryopreserved sperms is selected for in-vitro fertilization from each batch.

Environmental Standards:SPF
Available Region:Global
Source:Cyagen
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