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C57BL/6JCya-Tnip1em1flox/Cya
Common Name:
Tnip1-flox
Product ID:
S-CKO-12366
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
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Basic Information
Strain Name
Tnip1-flox
Strain ID
CKOCMP-57783-Tnip1-B6J-VA
Gene Name
Tnip1
Product ID
S-CKO-12366
Gene Alias
ABIN; ABIN-1; ABIN1; Naf1; Nef; VAN
Background
C57BL/6JCya
NCBI ID
57783
Modification
Conditional knockout
Chromosome
11
Phenotype
MGI:1926194
Document
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Application
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More
Rare Disease Data Center >>
Note
Note: When using this mouse strain in a publication, please cite “C57BL/6JCya-Tnip1em1flox/Cya mice (Catalog S-CKO-12366) were purchased from Cyagen.”
Strain Description
Ensembl Number
ENSMUST00000102731
NCBI RefSeq
NM_001199275
Target Region
Exon 5~6
Size of Effective Region
~2.5 kb
Detailed Document
Click here to download >>
Overview of Gene Research
Tnip1, also known as tumour necrosis factor α -induced protein 3 -interacting protein 1 or ABIN1, is a key regulator with diverse functions. It acts as a negative regulator of mitophagy, inhibiting the process at the early steps of autophagosome biogenesis through interaction with LC3/GABARAP and TAX1BP1, and its phosphorylation-regulated association with FIP200 allows it to compete with autophagy receptors [1]. It also plays a role in inflammatory signaling regulation, being a potential factor in multiple autoimmune diseases and regulating Toll-like receptor signaling [3].

In autoimmune diseases, a heterozygous TNIP1Q333P variant in humans and the orthologous Q346P variant in mice led to the development of autoantibodies, salivary gland inflammation, and other phenotypes. The variant increased interferon-β, impaired recruitment of MyD88 and IRAK1 to autophagosomes, and affected TNIP1 localization to damaged mitochondria and mitophagosome formation [4]. In glioma, high levels of TNIP1 and TNF-α/NF-κB were found. Loss of TNIP1 disrupted the A20 complex for IκB degradation and NF-κB nucleus translocation, erasing TNFα-induced glioma cell proliferation [5]. In diabetes-induced vascular endothelial dysfunction, FTO regulated TNIP1 expression by erasing its m6A methylation, and TNIP1 depletion activated NF-κB and other inflammatory factors, aggravating endothelial impairments [2].

In conclusion, Tnip1 is crucial in regulating selective autophagy, especially mitophagy, and inflammatory signaling. Gene-knockout models, like the mouse models with TNIP1 variants, have been instrumental in revealing its role in autoimmune diseases, glioma, and diabetic vascular complications, providing insights into disease mechanisms and potential therapeutic targets.

References:
1. Le Guerroué, François, Bunker, Eric N, Rosencrans, William M, Wang, Chunxin, Youle, Richard J. 2023. TNIP1 inhibits selective autophagy via bipartite interaction with LC3/GABARAP and TAX1BP1. In Molecular cell, 83, 927-941.e8. doi:10.1016/j.molcel.2023.02.023. https://pubmed.ncbi.nlm.nih.gov/36898370/
2. Zhou, Chuandi, She, Xinping, Gu, Chufeng, Chen, Haibing, Zheng, Zhi. 2023. FTO fuels diabetes-induced vascular endothelial dysfunction associated with inflammation by erasing m6A methylation of TNIP1. In The Journal of clinical investigation, 133, . doi:10.1172/JCI160517. https://pubmed.ncbi.nlm.nih.gov/37781923/
3. Shamilov, Rambon, Aneskievich, Brian J. 2018. TNIP1 in Autoimmune Diseases: Regulation of Toll-like Receptor Signaling. In Journal of immunology research, 2018, 3491269. doi:10.1155/2018/3491269. https://pubmed.ncbi.nlm.nih.gov/30402506/
4. Medhavy, Arti, Athanasopoulos, Vicki, Bassett, Katharine, Cook, Matthew C, Vinuesa, Carola G. 2024. A TNIP1-driven systemic autoimmune disorder with elevated IgG4. In Nature immunology, 25, 1678-1691. doi:10.1038/s41590-024-01902-0. https://pubmed.ncbi.nlm.nih.gov/39060650/
5. Lei, Qingchun, Gu, Huan, Li, Lei, Li, Meizhang, Zhao, Ninghui. 2019. TNIP1-mediated TNF-α/NF-κB signalling cascade sustains glioma cell proliferation. In Journal of cellular and molecular medicine, 24, 530-538. doi:10.1111/jcmm.14760. https://pubmed.ncbi.nlm.nih.gov/31691497/
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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