Lta4h-KO 基因敲除小鼠

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产品名称

Lta4h-KO 基因敲除小鼠

产品编号

S-KO-02922

品系全称

C57BL/6NCya-Lta4hem1/Cya

品系背景

C57BL/6NCya

品系编号

KOCMP-16993-Lta4h-B6N-VA

品系状态

使用本品系发表的文献需注明: Lta4h-KO 基因敲除小鼠 mice (Strain S-KO-02922) 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
leukotriene A4 hydrolase
基因别称
-
染色体号
Chr 10 (Mouse)
转录本 ID
NCBI: NM_008517 | Ensembl: ENSMUST00000016033
修饰方式
全身性基因敲除
靶向范围
Exon 2~6
敲除长度
~7.3 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
MGI:96836Mice homozygous for disruptions in this gene have grossly normal phenotypes. Inflammatory reactions are reduced as are some other immunological responses.
Lta4h基因编码白三烯A4水解酶(LTA4H)蛋白,属于花生四烯酸代谢途径中的关键酶。LTA4H在细胞内负责将白三烯A4(LTA4)转化为白三烯B4(LTB4),后者是一种具有多种生物活性的脂质介质,参与炎症反应、免疫应答和血管舒缩等功能。LTA4H的表达和活性受到多种因素的调节,包括细胞因子、转录因子和表观遗传修饰等。

LTA4H在多种疾病中发挥重要作用,包括神经结核病、动脉瘤、结核病、口腔黑色素瘤、卵巢癌、喉癌、哮喘和缺血性脑卒中。在神经结核病中,LTA4H基因多态性与结核性脑膜炎的炎症风险相关[1]。在动脉瘤中,LTA4H基因多态性与胸主动脉夹层的风险相关[2]。在结核病中,LTA4H基因多态性与结核性脑膜炎的炎症风险相关[1]和[3]。在口腔黑色素瘤中,LTA4H基因和蛋白质在肿瘤组织中表达,但其表达与肿瘤行为无关[4]。在卵巢癌中,LTA4H表达与预后不良相关,抑制LTA4H可以增强卵巢癌对顺铂的敏感性[5]。在喉癌中,LTA4H与mRNA和lncRNA广泛结合,可能作为RNA结合蛋白发挥致癌调节功能[6]。在哮喘中,LTA4H基因多态性与哮喘风险相关[7]。在缺血性脑卒中中,LTA4H基因多态性与缺血性脑卒中风险相关[8]。

综上所述,LTA4H在多种疾病中发挥重要作用,参与炎症反应、免疫应答和血管舒缩等功能。LTA4H的表达和活性受到多种因素的调节,包括细胞因子、转录因子和表观遗传修饰等。LTA4H的研究有助于深入理解花生四烯酸代谢途径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. Cherian, Ajith, Ajitha, Kesi Chellappan, Iype, Thomas, Divya, K P. 2021. Neurotuberculosis: an update. In Acta neurologica Belgica, 121, 11-21. doi:10.1007/s13760-020-01575-0. https://pubmed.ncbi.nlm.nih.gov/33400226/
2. Yang, Mei, Zhou, Xinmiao, Pearce, Stuart W A, Xiao, Qingzhong, Zhang, Li. 2023. Causal Role for Neutrophil Elastase in Thoracic Aortic Dissection in Mice. In Arteriosclerosis, thrombosis, and vascular biology, 43, 1900-1920. doi:10.1161/ATVBAHA.123.319281. https://pubmed.ncbi.nlm.nih.gov/37589142/
3. Kumar, Selwyn Selva, Solomon, Raja, Gautam, Priyanka, Samuel, Prasanna, Manesh, Abi. 2023. Leukotriene A4 hydrolase (LTA4H rs17525495) gene polymorphisms and paradoxical reactions in extrapulmonary tuberculosis. In Scientific reports, 13, 3746. doi:10.1038/s41598-023-30923-2. https://pubmed.ncbi.nlm.nih.gov/36879040/
4. Nordio, Laura, Bazzocchi, Chiara, Genova, Francesca, Stefanello, Damiano, Giudice, Chiara. 2021. Molecular and Immunohistochemical Expression of LTA4H and FXR1 in Canine Oral Melanoma. In Frontiers in veterinary science, 8, 767887. doi:10.3389/fvets.2021.767887. https://pubmed.ncbi.nlm.nih.gov/34966807/
5. Guo, Zhengyang, Huang, Jiaqi, Huo, Xiao, Yang, Jianling, Xue, Lixiang. 2024. Targeting LTA4H facilitates the reshaping of the immune microenvironment mediated by CCL5 and sensitizes ovarian cancer to Cisplatin. In Science China. Life sciences, 67, 1226-1241. doi:10.1007/s11427-023-2444-5. https://pubmed.ncbi.nlm.nih.gov/38300441/
6. Ren, Tianjiao, Wang, Song, Zhang, Bo, Zhao, Xiaorui, Feng, Juan. 2023. LTA4H extensively associates with mRNAs and lncRNAs indicative of its novel regulatory targets. In PeerJ, 11, e14875. doi:10.7717/peerj.14875. https://pubmed.ncbi.nlm.nih.gov/36923505/
7. Curtis, James, Kopanitsa, Liliya, Stebbings, Emma, Drobniewski, Francis, Nejentsev, Sergey. 2010. Association analysis of the LTA4H gene polymorphisms and pulmonary tuberculosis in 9115 subjects. In Tuberculosis (Edinburgh, Scotland), 91, 22-5. doi:10.1016/j.tube.2010.11.001. https://pubmed.ncbi.nlm.nih.gov/21112816/
8. Gong, Rui, Luo, Hong, Long, Gangyu, Shang, You, Zhang, Dingyu. 2023. Integrative proteomic profiling of lung tissues and blood in acute respiratory distress syndrome. In Frontiers in immunology, 14, 1158951. doi:10.3389/fimmu.2023.1158951. https://pubmed.ncbi.nlm.nih.gov/37197655/