Sltm-KO 基因敲除小鼠

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产品名称

Sltm-KO 基因敲除小鼠

产品编号

S-KO-18848

品系全称

C57BL/6JCya-Sltmem1/Cya

品系背景

C57BL/6JCya

品系编号

KOCMP-66660-Sltm-B6J-VB

品系状态

使用本品系发表的文献需注明: Sltm-KO 基因敲除小鼠 mice (Strain S-KO-18848) were purchased from Cyagen.
交付类型
周龄
性别
基因型
数量

基本信息

基因研究概述

质控标准

基因
基因全称
SAFB-like, transcription modulator
基因别称
5730455C01Rik,5730555F13Rik,9130215G10Rik,Met
染色体号
Chr 9 (Mouse)
转录本 ID
NCBI: NM_025690 | Ensembl: ENSMUST00000049263
修饰方式
全身性基因敲除
靶向范围
Exon 6~8
敲除长度
~3.5 kb
品系说明
该品系是基于策略设计时的数据库信息制作而成,建议您在购买前查询最新的数据库和相关文献,以获取最准确的表型信息。
表型提示
SLTM,全称为SAF(scaffold attachment factor)-like transcription modulator,是一种包含SAF-box DNA结合模体和RNA结合域的蛋白质。它具有与SAFB1(scaffold attachment factor-B1)34%的总体相似性,并主要定位于细胞核中,与SAFB1共同定位,但与SR(serine/arginine)蛋白不共定位。SLTM的核内分布呈现点状,并具有广泛的转录抑制功能,能够抑制基因表达并诱导细胞凋亡[4]。此外,SLTM还被证明能够与GLI家族锌指转录因子相互作用,调节SHH信号通路中的基因转录[5]。

SLTM在多种生物学过程中发挥重要作用。在肥胖研究中,SLTM的罕见杂合性功能缺失变异被发现与女性和男性成年人体重指数(BMI)升高相关,表明SLTM在肥胖的发生发展中具有性别特异性作用[1]。在肝细胞癌(HCC)中,SLTM被DTL蛋白通过泛素化途径降解,从而激活Notch信号通路,促进HCC的增殖、转移和对索拉非尼的耐药性[2]。在HIV-1感染中,SLTM被证明是HIV-1沉默因子之一,抑制SLTM的表达可以增加HIV-1的再激活并诱导HIV-1感染细胞的死亡[3]。此外,SLTM还与情绪和精神疾病的风险相关,其基因型与性别相互作用,表明SLTM在神经发育和免疫血管功能方面发挥重要作用[6]。在骨关节炎(OA)中,SLTM作为circRNA(circSLTM)的形式,通过与miR-421竞争性结合,调节HMGB2的表达,促进OA的炎症和细胞凋亡[7]。在单纯疱疹病毒1感染中,SLTM的分布发生变化,形成核焦点,可能参与病毒感染过程的调节[8]。

综上所述,SLTM是一种多功能的RNA/DNA结合蛋白,在多种生物学过程中发挥重要作用。它参与基因转录的调节,影响细胞凋亡、炎症反应和病毒感染等生物学过程。SLTM的研究有助于深入理解基因表达调控的机制,并为相关疾病的治疗和预防提供新的思路和策略。

参考文献:
1. Kaisinger, Lena R, Kentistou, Katherine A, Stankovic, Stasa, Ong, Ken K, Perry, John R B. 2023. Large-scale exome sequence analysis identifies sex- and age-specific determinants of obesity. In Cell genomics, 3, 100362. doi:10.1016/j.xgen.2023.100362. https://pubmed.ncbi.nlm.nih.gov/37601970/
2. Chen, Zi-Xiong, Mu, Mao-Yuan, Yang, Guang, Huang, Bi-Jun, Gao, Fei. 2024. Hypoxia-induced DTL promotes the proliferation, metastasis, and sorafenib resistance of hepatocellular carcinoma through ubiquitin-mediated degradation of SLTM and subsequent Notch pathway activation. In Cell death & disease, 15, 734. doi:10.1038/s41419-024-07089-4. https://pubmed.ncbi.nlm.nih.gov/39384740/
3. Pedersen, Savannah F, Collora, Jack A, Kim, Rachel N, Montaner, Luis J, Ho, Ya-Chi. 2022. Inhibition of a Chromatin and Transcription Modulator, SLTM, Increases HIV-1 Reactivation Identified by a CRISPR Inhibition Screen. In Journal of virology, 96, e0057722. doi:10.1128/jvi.00577-22. https://pubmed.ncbi.nlm.nih.gov/35730977/
4. Chan, Ching Wan, Lee, Youn-Bok, Uney, James, Tobias, Jonathan H, Norman, Michael. . A novel member of the SAF (scaffold attachment factor)-box protein family inhibits gene expression and induces apoptosis. In The Biochemical journal, 407, 355-62. doi:. https://pubmed.ncbi.nlm.nih.gov/17630952/
5. Zhang, Zilai, Zhan, Xiaoming, Kim, Bongwoo, Wu, Jiang. 2019. A proteomic approach identifies SAFB-like transcription modulator (SLTM) as a bidirectional regulator of GLI family zinc finger transcription factors. In The Journal of biological chemistry, 294, 5549-5561. doi:10.1074/jbc.RA118.007018. https://pubmed.ncbi.nlm.nih.gov/30782847/
6. Blokland, Gabriëlla A M, Grove, Jakob, Chen, Chia-Yen, Smoller, Jordan W, Goldstein, Jill M. 2021. Sex-Dependent Shared and Nonshared Genetic Architecture Across Mood and Psychotic Disorders. In Biological psychiatry, 91, 102-117. doi:10.1016/j.biopsych.2021.02.972. https://pubmed.ncbi.nlm.nih.gov/34099189/
7. Zhang, Hua, Xiang, XiaoBing, Zhou, BenGen, Li, AiHua, Li, Jie. 2023. Circular RNA SLTM as a miR-421-competing endogenous RNA to mediate HMGB2 expression stimulates apoptosis and inflammation in arthritic chondrocytes. In Journal of biochemical and molecular toxicology, 37, e23306. doi:10.1002/jbt.23306. https://pubmed.ncbi.nlm.nih.gov/36935520/
8. Norman, Michael, Rivers, Caroline, Lee, Youn-Bok, Idris, Jalilah, Uney, James. . The increasing diversity of functions attributed to the SAFB family of RNA-/DNA-binding proteins. In The Biochemical journal, 473, 4271-4288. doi:. https://pubmed.ncbi.nlm.nih.gov/27888239/