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C57BL/6JCya-Samm50em1flox/Cya
Common Name:
Samm50-flox
Product ID:
S-CKO-14249
Background:
C57BL/6JCya
Product Type
Age
Genotype
Sex
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Basic Information
Strain Name
Samm50-flox
Strain ID
CKOCMP-68653-Samm50-B6J-VA
Gene Name
Samm50
Product ID
S-CKO-14249
Gene Alias
1110030L07Rik
Background
C57BL/6JCya
NCBI ID
68653
Modification
Conditional knockout
Chromosome
15
Phenotype
MGI:1915903
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-Samm50em1flox/Cya mice (Catalog S-CKO-14249) were purchased from Cyagen.”
Strain Description
Ensembl Number
ENSMUST00000023071
NCBI RefSeq
NM_178614
Target Region
Exon 3~4
Size of Effective Region
~2.4 kb
Detailed Document
Click here to download >>
Overview of Gene Research
Samm50, a sorting and assembly machinery (SAM) complex protein, is an essential component of mitochondria. It is involved in protein sorting and assembly, and plays a key role in mitochondrial dynamics and quality control through regulating mitophagy. It also participates in maintaining cellular homeostasis by acting as a receptor for basal piecemeal mitophagy [2,5].

In cardiac hypertrophy, Samm50 was found to be a key positive regulator. Knockdown and overexpression studies in neonatal cardiomyocytes showed that overexpression of Samm50 promoted cardiac hypertrophy by regulating Pink1-Parkin-mediated mitophagy, while its knockdown had the opposite effect. Inhibition of mitophagy abolished the protective role of Samm50 deficiency against cardiac hypertrophy [1].

In non-alcoholic fatty liver disease (NAFLD), certain single nucleotide polymorphisms (SNPs) of SAMM50 (rs2073082, rs738491, rs3761472) were associated with an increased risk of the disease. In vitro studies indicated that SAMM50 gene polymorphisms decreased its expression, leading to increased lipid accumulation due to decreased fatty acid oxidation [3,6].

In beige adipocytes, knockdown of Samm50 repressed the expression of mitochondrial fusion genes and promoted that of fission genes, inhibiting the expression of thermogenic genes. Overexpression of Samm50 had the opposite effects, linking mitochondrial dynamics and thermogenesis [4].

In conclusion, Samm50 is crucial for mitochondrial function, playing important roles in processes like mitophagy, mitochondrial dynamics, and thermogenesis. Its dysregulation is associated with diseases such as cardiac hypertrophy and NAFLD. Gene knockout or knockdown models have been instrumental in revealing these functions, providing insights into potential therapeutic strategies for related diseases.

References:
1. Xu, Ran, Kang, Le, Wei, Siang, Ding, Zhiwen, Zou, Yunzeng. 2021. Samm50 Promotes Hypertrophy by Regulating Pink1-Dependent Mitophagy Signaling in Neonatal Cardiomyocytes. In Frontiers in cardiovascular medicine, 8, 748156. doi:10.3389/fcvm.2021.748156. https://pubmed.ncbi.nlm.nih.gov/34631840/
2. Abudu, Yakubu Princely, Mouilleron, Stephane, Tooze, Sharon A, Lamark, Trond, Johansen, Terje. 2021. SAMM50 is a receptor for basal piecemeal mitophagy and acts with SQSTM1/p62 in OXPHOS-induced mitophagy. In Autophagy, 17, 2656-2658. doi:10.1080/15548627.2021.1953846. https://pubmed.ncbi.nlm.nih.gov/34275433/
3. Zhao, Jinhan, Xu, Xiaoyi, Wei, Xinhuan, Zhang, Yang, Zhang, Jing. 2023. SAMM50-rs2073082, -rs738491 and -rs3761472 Interactions Enhancement of Susceptibility to Non-Alcoholic Fatty Liver Disease. In Biomedicines, 11, . doi:10.3390/biomedicines11092416. https://pubmed.ncbi.nlm.nih.gov/37760857/
4. Park, Se-Jun, Shon, Dong-Hyun, Kim, Jae-Hyun, Ryu, Yang-Hwan, Ko, Yong. 2022. SAMM50 Regulates Thermogenesis of Beige Adipocytes Differentiated from Human Adipose-Derived Stem Cells by Balancing Mitochondrial Dynamics. In International journal of molecular sciences, 23, . doi:10.3390/ijms23126764. https://pubmed.ncbi.nlm.nih.gov/35743205/
5. Abudu, Yakubu Princely, Shrestha, Birendra Kumar, Zhang, Wenxin, Lamark, Trond, Johansen, Terje. 2021. SAMM50 acts with p62 in piecemeal basal- and OXPHOS-induced mitophagy of SAM and MICOS components. In The Journal of cell biology, 220, . doi:10.1083/jcb.202009092. https://pubmed.ncbi.nlm.nih.gov/34037656/
6. Li, Zuyin, Shen, Weixing, Wu, Gang, Wang, Ruitao, Wang, Xiaoliang. 2021. The role of SAMM50 in non-alcoholic fatty liver disease: from genetics to mechanisms. In FEBS open bio, 11, 1893-1906. doi:10.1002/2211-5463.13146. https://pubmed.ncbi.nlm.nih.gov/33728819/
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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