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C57BL/6JCya-Timp1em1/Cya 基因敲除小鼠
复苏/繁育服务
产品名称:
Timp1-KO
产品编号:
S-KO-05437
品系背景:
C57BL/6JCya
每周秒杀
* 使用本品系发表的文献需注明:Timp1-KO mice (Strain S-KO-05437) were purchased from Cyagen.
交付类型
周龄
性别
基因型
数量
编辑策略
品系名称
C57BL/6JCya-Timp1em1/Cya
品系编号
KOCMP-21857-Timp1-B6J-VA
产品编号
S-KO-05437
基因名
Timp1
品系背景
C57BL/6JCya
基因别称
Clgi; EPA; TIMP-1; TPA-S1; Timp
NCBI ID
修饰方式
全身性基因敲除
NCBI RefSeq
NM_011593
Ensembl ID
ENSMUST00000115342
靶向范围
Exon 2~6
敲除长度
~4.3 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。
小鼠表型
MGI:98752 Nullizygous mice show altered endometrial gland number and estrous cycles, increased uterus and testis weight, reduced female fertility, aortic aneurysms, reduced bone marrow cellularity and susceptibility to bacterial infection, and altered response to myocardium infarction and induced lung injury.
基因研究概述
TIMP1,即组织金属蛋白酶抑制剂1,是一种重要的调节蛋白质,主要功能是抑制金属蛋白酶(MMPs)的活性,MMPs是一类能够降解细胞外基质(ECM)的酶。TIMP1在多种生理和病理过程中发挥关键作用,包括伤口愈合、炎症反应、肿瘤发生和发展等。
在伤口愈合过程中,TIMP1的表达水平升高,有助于抑制MMPs的过度活性,从而保护新生组织免受破坏。一项研究表明,在人类皮肤伤口的再上皮化过程中,TIMP1的表达显著上调[1]。此外,TIMP1还与炎症性肠病(如溃疡性结肠炎)的发病机制密切相关。研究发现,TIMP1在溃疡性结肠炎患者的肠道黏膜中表达升高,并与炎症细胞浸润相关[2]。在肺癌患者中,TIMP1的表达水平与肿瘤的侵袭性和患者的预后密切相关。研究发现,TIMP1在肺癌组织中的表达水平升高,且与患者的生存期缩短相关[3]。此外,TIMP1在甲状腺乳头状癌(PTC)的发生和发展中也发挥着重要作用。研究表明,PTC患者的FNAB样本中TIMP1的表达水平显著高于良性结节患者[4]。
TIMP1在溃疡性结肠炎相关结直肠癌(UCACRC)的发病机制和预后中扮演着重要角色。研究发现,TIMP1在UCACRC的发生和发展过程中持续高表达,可能是UCACRC预后的潜在生物标志物[5]。此外,TIMP1还与胶质瘤的进展和免疫抑制密切相关。研究表明,TIMP1通过CHI3L1过表达和NF-κB激活促进胶质瘤的发生,并导致免疫抑制性巨噬细胞极化[6]。TIMP1在结直肠癌中的表达与患者的免疫微环境、药物敏感性和铁死亡抑制相关。研究发现,TIMP1在结直肠癌组织中的表达水平升高,并与巨噬细胞和免疫检查点基因的表达相关[7]。此外,TIMP1的表达与铁死亡相关基因的表达呈正相关,提示TIMP1可能参与铁死亡抑制[8]。
综上所述,TIMP1在多种生理和病理过程中发挥着重要作用,包括伤口愈合、炎症反应、肿瘤发生和发展等。TIMP1的表达水平与多种疾病的预后相关,可能是潜在的治疗靶点和生物标志物。进一步研究TIMP1的生物学功能和调控机制,有助于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. Ågren, Magnus S, Litman, Thomas, Eriksen, Jens Ole, Bzorek, Michael, Gjerdrum, Lise Mette Rahbek. 2022. Gene Expression Linked to Reepithelialization of Human Skin Wounds. In International journal of molecular sciences, 23, . doi:10.3390/ijms232415746. https://pubmed.ncbi.nlm.nih.gov/36555389/
2. Pan, Zhaoji, Lin, Hao, Fu, Yanyan, Fang, Jian, Gu, Bing. 2023. Identification of gene signatures associated with ulcerative colitis and the association with immune infiltrates in colon cancer. In Frontiers in immunology, 14, 1086898. doi:10.3389/fimmu.2023.1086898. https://pubmed.ncbi.nlm.nih.gov/36742294/
3. Pietrzak, Jacek, Wosiak, Agnieszka, Szmajda-Krygier, Dagmara, Pązik, Milena, Balcerczak, Ewa. 2023. Correlation of TIMP1-MMP2/MMP9 Gene Expression Axis Changes with Treatment Efficacy and Survival of NSCLC Patients. In Biomedicines, 11, . doi:10.3390/biomedicines11071777. https://pubmed.ncbi.nlm.nih.gov/37509417/
4. Dimitrova, Inna, Shinkov, Alexander, Dodova, Rumyana, Kaneva, Radka, Kovatcheva, Roussanka. 2021. Increased gene expression of TIMP1 and CHI3L1 in fine-needle aspiration biopsy samples from papillary thyroid cancer as compared to benign nodules. In Diagnostic cytopathology, 49, 1045-1051. doi:10.1002/dc.24816. https://pubmed.ncbi.nlm.nih.gov/34170085/
5. Huang, Ru, Wang, Kaijing, Gao, Lei, Gao, Wei. 2019. TIMP1 Is A Potential Key Gene Associated With The Pathogenesis And Prognosis Of Ulcerative Colitis-Associated Colorectal Cancer. In OncoTargets and therapy, 12, 8895-8904. doi:10.2147/OTT.S222608. https://pubmed.ncbi.nlm.nih.gov/31802901/
6. Xu, Jianye, Wei, Cheng, Wang, Cong, Zhang, Jianning, Zhang, Shu. 2024. TIMP1/CHI3L1 facilitates glioma progression and immunosuppression via NF-κB activation. In Biochimica et biophysica acta. Molecular basis of disease, 1870, 167041. doi:10.1016/j.bbadis.2024.167041. https://pubmed.ncbi.nlm.nih.gov/38290591/
7. Qin, Ya-Fei, Li, Guang-Ming, Wang, Grace, Sun, Da-Qing, Wang, Hao. 2021. Identification of Hub Gene TIMP1 and Relative ceRNAs Regulatory Network in Colorectal Cancer. In Therapeutics and clinical risk management, 17, 889-901. doi:10.2147/TCRM.S321101. https://pubmed.ncbi.nlm.nih.gov/34475758/
8. Tilson, M David, Ro, Charles Y. . The candidate gene approach to susceptibility for abdominal aortic aneurysm: TIMP1, HLA-DR-15, ferritin light chain, and collagen XI-Alpha-1. In Annals of the New York Academy of Sciences, 1085, 282-90. doi:. https://pubmed.ncbi.nlm.nih.gov/17182944/
质控标准
精子检测
① 冷冻前验证精子活力观察
② 冷冻验证每批次进行复苏验证
品系状态
活体
环境标准
SPF
供应地区
中国