Rap1a-KO 基因敲除小鼠

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产品名称

Rap1a-KO 基因敲除小鼠

产品编号

S-KO-00723

品系全称

C57BL/6JCya-Rap1aem1/Cya

品系背景

C57BL/6JCya

品系编号

KOCMP-109905-Rap1a-B6J-VA

品系状态

使用本品系发表的文献需注明: Rap1a-KO 基因敲除小鼠 mice (Strain S-KO-00723) were purchased from Cyagen.
交付类型
周龄
性别
基因型
数量
KO小鼠库模型
MAPK信号通路

基本信息

基因研究概述

质控标准

基因
基因全称
RAS-related protein 1a
基因别称
G-22K,Krev-1,Rap1
染色体号
Chr 3 (Mouse)
转录本 ID
NCBI: NM_145541 | Ensembl: ENSMUST00000090678
修饰方式
全身性基因敲除
靶向范围
Exon 5~6
敲除长度
~3.0 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
MGI:97852Mice homozygous for a null allele exhibit impaired leukocyte migration and decreased angiogenesis.
Rap1a,全名为Ras-related protein Rap1a,是一种小G蛋白,属于Ras家族。Rap1a在多种生物学过程中发挥重要作用,包括细胞增殖、迁移、分化、信号转导和细胞骨架调控。Rap1a的表达和活性受到多种因素的调控,包括转录调控、翻译调控、翻译后修饰和蛋白质互作等。

Rap1a在多种疾病中发挥重要作用,包括肥胖、糖尿病、慢性阻塞性肺疾病、骨质疏松症、癌症和自闭症等。例如,研究发现,Rap1a的活性在肥胖小鼠肝脏中受到抑制,而恢复其活性可以改善葡萄糖耐受不良[1]。此外,Rap1a的活性在慢性阻塞性肺疾病患者的肺组织中升高,其表达与巨噬细胞的募集和炎症反应相关[2]。Rap1a还参与了骨形成细胞的分化过程,其表达和活性在骨形成过程中逐渐增强[3]。Rap1a的信号通路在肝细胞癌中富集,与肿瘤浸润免疫细胞和临床预后相关[4]。Rap1a在日本人群中是克罗恩病的易感基因[5]。KRIT1基因的突变可以导致脑血管畸形,KRIT1编码的蛋白质与Rap1a相互作用[6]。Rap1a在食管鳞状细胞癌中表达上调,其表达与肿瘤分期相关,并且可以促进肿瘤细胞的迁移和侵袭[7]。Rap1a基因的多态性与肝细胞癌复发相关[8]。此外,研究发现,在自闭症谱系障碍患者中,Rap1a基因存在罕见变异[9]。miR-101-5p可以抑制Rap1a的表达,从而调节细胞增殖[10]。

综上所述,Rap1a是一种重要的Ras家族小G蛋白,参与多种生物学过程和疾病发生。Rap1a的表达和活性受到多种因素的调控,其在多种疾病中发挥重要作用。Rap1a的研究有助于深入理解小G蛋白的生物学功能和疾病发生机制,为疾病的治疗和预防提供新的思路和策略。

参考文献:
1. Wang, Yating, Spolitu, Stefano, Zadroga, John A, Sarecha, Amesh K, Ozcan, Lale. . Hepatocyte Rap1a contributes to obesity- and statin-associated hyperglycemia. In Cell reports, 40, 111259. doi:10.1016/j.celrep.2022.111259. https://pubmed.ncbi.nlm.nih.gov/36001955/
2. Günes Günsel, Gizem, Conlon, Thomas M, Jeridi, Aicha, Schneider, Robert, Yildirim, Ali Önder. 2022. The arginine methyltransferase PRMT7 promotes extravasation of monocytes resulting in tissue injury in COPD. In Nature communications, 13, 1303. doi:10.1038/s41467-022-28809-4. https://pubmed.ncbi.nlm.nih.gov/35288557/
3. Wu, Yougen, Zhou, Juan, Li, Yinghua, Yang, Gong, Hong, Yang. 2015. Rap1A Regulates Osteoblastic Differentiation via the ERK and p38 Mediated Signaling. In PloS one, 10, e0143777. doi:10.1371/journal.pone.0143777. https://pubmed.ncbi.nlm.nih.gov/26599016/
4. Li, Hailin, Han, Guangyu, Li, Xing, Wu, Lingli, Wang, Wei. 2021. MAPK-RAP1A Signaling Enriched in Hepatocellular Carcinoma Is Associated With Favorable Tumor-Infiltrating Immune Cells and Clinical Prognosis. In Frontiers in oncology, 11, 649980. doi:10.3389/fonc.2021.649980. https://pubmed.ncbi.nlm.nih.gov/34178637/
5. Kakuta, Yoichi, Kawai, Yosuke, Naito, Takeo, Shimosegawa, Tooru, Masamune, Atsushi. . A Genome-wide Association Study Identifying RAP1A as a Novel Susceptibility Gene for Crohn's Disease in Japanese Individuals. In Journal of Crohn's & colitis, 13, 648-658. doi:10.1093/ecco-jcc/jjy197. https://pubmed.ncbi.nlm.nih.gov/30500874/
6. Sahoo, T, Johnson, E W, Thomas, J W, Green, E D, Marchuk, D A. . Mutations in the gene encoding KRIT1, a Krev-1/rap1a binding protein, cause cerebral cavernous malformations (CCM1). In Human molecular genetics, 8, 2325-33. doi:. https://pubmed.ncbi.nlm.nih.gov/10545614/
7. Li, Qinfang, Xu, Aiping, Chu, Yuan, Zhou, Pinghong, Xu, Meidong. 2019. Rap1A promotes esophageal squamous cell carcinoma metastasis through the AKT signaling pathway. In Oncology reports, 42, 1815-1824. doi:10.3892/or.2019.7309. https://pubmed.ncbi.nlm.nih.gov/31545475/
8. Zhang, Rulin, Wu, Junyi, Yang, Yiming, Yang, Ye, Wu, Jun. 2020. Donor polymorphisms of Rap1A rs494453 contribute to a higher risk of hepatocellular carcinoma recurrence following liver transplantation. In Journal of Cancer, 11, 3082-3088. doi:10.7150/jca.39712. https://pubmed.ncbi.nlm.nih.gov/32226523/
9. Viggiano, Marta, Ceroni, Fabiola, Visconti, Paola, Maestrini, Elena, Bacchelli, Elena. 2024. Genomic analysis of 116 autism families strengthens known risk genes and highlights promising candidates. In NPJ genomic medicine, 9, 21. doi:10.1038/s41525-024-00411-1. https://pubmed.ncbi.nlm.nih.gov/38519481/
10. Shibayama, Yoshihiko, Kubo, Yoshitada, Nakagawa, Tsutomu, Iseki, Ken. . MicroRNA-101-5p Suppresses the Expression of the Ras-Related Protein RAP1A. In Biological & pharmaceutical bulletin, 42, 1332-1336. doi:10.1248/bpb.b19-00068. https://pubmed.ncbi.nlm.nih.gov/31366868/