Ier5-flox 基因敲除小鼠

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产品名称

Ier5-flox 基因敲除小鼠

产品编号

S-CKO-03037

品系全称

C57BL/6JCya-Ier5em1flox/Cya

品系背景

C57BL/6JCya

品系编号

CKOCMP-15939-Ier5-B6J-VA

品系状态

使用本品系发表的文献需注明: Ier5-flox 基因敲除小鼠 mice (Strain S-CKO-03037) were purchased from Cyagen.
交付类型
周龄
性别
基因型
数量
cKO小鼠库模型

基本信息

基因研究概述

质控标准

基因
基因全称
immediate early response 5
基因别称
-
染色体号
Chr 1 (Mouse)
转录本 ID
NCBI: NM_010500 | Ensembl: ENSMUST00000055322
修饰方式
条件性基因敲除
靶向范围
Exon 1
敲除长度
~2.3 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
IER5,也称为Immediate early response 5,是一种在细胞周期和辐射反应中发挥核心作用的基因。IER5的表达与多种临床病理特征相关,包括WHO分级、IDH状态、表皮生长因子受体状态、年龄和病理类型等[1]。IER5基因表达升高与胶质瘤患者的预后不良相关,高IER5表达与短的总生存期相关[1]。IER5基因编码的蛋白在细胞核内发挥作用,通过形成三元复合物与HSF1和PP2A相互作用,促进HSF1的脱磷酸化,从而激活HSF1的转录活性[5]。IER5的过表达会增加HeLa细胞对辐射的敏感性,抑制细胞增殖,并促进肿瘤生长[6]。IER5基因在多种癌症中表达上调,其上调与肿瘤发生和进展相关[7]。IER5基因的表达受转录因子GCF的负调控,GCF与IER5启动子区域的GC结合位点相互作用,降低IER5的转录活性[9]。IER5基因的启动子区域存在CpG岛和多个甲基化位点,这些甲基化位点可能影响IER5的表达[4]。IER5基因编码的蛋白在细胞核内发挥作用,其结构特征包括α螺旋和多个磷酸化位点[4]。IER5基因的表达与多种信号通路相关,包括DNA损伤反应通路和Notch信号通路[2]。IER5基因的表达还受到热应激的影响,热应激会激活HSF1,进而诱导IER5的表达[3]。IER5基因的表达与多种生物学过程相关,包括细胞增殖、分化、凋亡和肿瘤发生[1,2,3,6,7]。IER5基因的表达和功能在多种癌症中发挥重要作用,包括胶质瘤、鳞状细胞癌和宫颈癌等[1,2,6,8]。IER5基因的表达和功能研究有助于深入理解肿瘤发生和进展的分子机制,为肿瘤的治疗和预防提供新的思路和策略。

参考文献:
1. Wu, Zijun, Wang, Dan, Zeng, Fanxin, Lui, Su, Wu, Min. 2021. High IER5 Gene Expression Is Associated With Poor Prognosis in Glioma Patients. In Frontiers in cell and developmental biology, 9, 679684. doi:10.3389/fcell.2021.679684. https://pubmed.ncbi.nlm.nih.gov/34222249/
2. Pan, Li, Lemieux, Madeleine E, Thomas, Tom, Blacklow, Stephen C, Aster, Jon C. 2020. IER5, a DNA damage response gene, is required for Notch-mediated induction of squamous cell differentiation. In eLife, 9, . doi:10.7554/eLife.58081. https://pubmed.ncbi.nlm.nih.gov/32936072/
3. Ishikawa, Yukio, Sakurai, Hiroshi. 2014. Heat-induced expression of the immediate-early gene IER5 and its involvement in the proliferation of heat-shocked cells. In The FEBS journal, 282, 332-40. doi:10.1111/febs.13134. https://pubmed.ncbi.nlm.nih.gov/25355627/
4. Xiong, Qiang, Jiang, Xiaoyan, Liu, Xiaodan, Zhou, Pingkun, Ding, Kuke. 2019. Prediction of IER5 structure and function using a bioinformatics approach. In Molecular medicine reports, 19, 4631-4636. doi:10.3892/mmr.2019.10166. https://pubmed.ncbi.nlm.nih.gov/31059029/
5. Yamano, Shotaro, Kimura, Makoto, Chen, Yu, Imamoto, Naoko, Ohki, Rieko. 2019. Nuclear import of IER5 is mediated by a classical bipartite nuclear localization signal and is required for HSF1 full activation. In Experimental cell research, 386, 111686. doi:10.1016/j.yexcr.2019.111686. https://pubmed.ncbi.nlm.nih.gov/31669744/
6. Ding, Ku-Ke, Yang, Fen, Jiang, Hui-Qing, Zhou, Ping-Kun, Yang, Chuan-Jie. 2019. Overexpression of the immediate early response 5 gene increases the radiosensitivity of HeLa cells. In Oncology letters, 18, 2704-2711. doi:10.3892/ol.2019.10590. https://pubmed.ncbi.nlm.nih.gov/31402956/
7. Asano, Yoshinori, Kawase, Tatsuya, Okabe, Atsushi, Nakagama, Hitoshi, Ohki, Rieko. 2016. IER5 generates a novel hypo-phosphorylated active form of HSF1 and contributes to tumorigenesis. In Scientific reports, 6, 19174. doi:10.1038/srep19174. https://pubmed.ncbi.nlm.nih.gov/26754925/
8. Tian, Ming, Yu, Xin-Ping, Zhou, Ping-Kun, Wu, Yu-Mei. 2018. Immediate early response gene 5 promotes irradiation combined with cisplatin-induced apoptosis in HeLa cells. In International journal of clinical and experimental pathology, 11, 262-268. doi:. https://pubmed.ncbi.nlm.nih.gov/31938109/
9. Yang, C, Yin, L, Zhou, P, Jiang, H, Ding, K. 2016. Transcriptional regulation of IER5 in response to radiation in HepG2. In Cancer gene therapy, 23, 61-5. doi:10.1038/cgt.2016.1. https://pubmed.ncbi.nlm.nih.gov/26915404/