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C57BL/6JCya-Atoh8em1flox/Cya
Common Name:
Atoh8-flox
Product ID:
S-CKO-14995
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
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Basic Information
Strain Name
Atoh8-flox
Strain ID
CKOCMP-71093-Atoh8-B6J-VA
Gene Name
Atoh8
Product ID
S-CKO-14995
Gene Alias
4933425C05Rik; Hath6; Math6; bHLHa21; okadin
Background
C57BL/6JCya
NCBI ID
71093
Modification
Conditional knockout
Chromosome
6
Phenotype
MGI:1918343
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-Atoh8em1flox/Cya mice (Catalog S-CKO-14995) were purchased from Cyagen.”
Strain Description
Ensembl Number
ENSMUST00000042646
NCBI RefSeq
NM_153778
Target Region
Exon 1
Size of Effective Region
~3.0kb
Detailed Document
Click here to download >>
Overview of Gene Research
Atoh8, also named Math6, belongs to the basic helix-loop-helix (bHLH) protein superfamily of transcriptional regulators. These bHLH proteins are involved in embryonic development, disease initiation and progression, and their translation, location, and turnover are tightly regulated. Atoh8 functions as both a transcriptional activator and repressor, and is associated with multiple diseases. It plays roles in embryonic development and carcinogenesis, mainly acting as a tumor suppressor [1].

In mouse models, targeted deletion of Atoh8 leads to severe hearing loss, indicating its importance in normal hearing development, though the exact function remains to be elucidated [4]. In chondrogenesis, deleting Atoh8 in mice using chondrocyte-specific (Atoh8flox/flox;Col2a1-Cre) and germline-specific (Atoh8flox/flox;Prx1-Crefemale) Cre alleles results in reduced skeletal size of axial and appendicular bones, with different stages of phenotypic manifestations. It is identified as a positive regulator of chondrocyte proliferation, acting on chondrocyte proliferation in parallel or downstream of Ihh signaling and on the onset of hypertrophy upstream of Ihh [3]. Depleting Atoh8 rapidly accelerates oncogenic Ras-driven lung tumorigenesis, suggesting its role in preventing Ras-driven malignant transformation [2].

In conclusion, Atoh8 is crucial in multiple biological processes. Its functions in embryonic development, especially in the development of the inner ear and chondrogenesis, are well-demonstrated through gene knockout mouse models. In disease, Atoh8 plays a significant role in cancer prevention, such as in lung cancer prevention by inhibiting Ras-driven transformation. These findings from model-based research enhance our understanding of its biological functions and potential in disease-related research.

References:
1. Divvela, Satya Srirama Karthik, Saberi, Darius, Brand-Saberi, Beate. 2022. Atoh8 in Development and Disease. In Biology, 11, . doi:10.3390/biology11010136. https://pubmed.ncbi.nlm.nih.gov/35053134/
2. Liu, Ximeng, Li, Xu, Wang, Shuang, Cai, Junchao, Li, Mengfeng. 2023. ATOH8 binds SMAD3 to induce cellular senescence and prevent Ras-driven malignant transformation. In Proceedings of the National Academy of Sciences of the United States of America, 120, e2208927120. doi:10.1073/pnas.2208927120. https://pubmed.ncbi.nlm.nih.gov/36626550/
3. Schroeder, Nadine, Wuelling, Manuela, Hoffmann, Daniel, Brand-Saberi, Beate, Vortkamp, Andrea. 2019. Atoh8 acts as a regulator of chondrocyte proliferation and differentiation in endochondral bones. In PloS one, 14, e0218230. doi:10.1371/journal.pone.0218230. https://pubmed.ncbi.nlm.nih.gov/31449527/
4. Tang, Qi, Xie, Meng-Yao, Zhang, Yong-Li, Zhu, Xiao-Hui, Yang, Hua. 2021. Targeted deletion of Atoh8 results in severe hearing loss in mice. In Genesis (New York, N.Y. : 2000), 59, e23442. doi:10.1002/dvg.23442. https://pubmed.ncbi.nlm.nih.gov/34402594/
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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