Sat1-KO 基因敲除小鼠

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产品名称

Sat1-KO 基因敲除小鼠

产品编号

S-KO-16993

品系全称

C57BL/6JCya-Sat1em1/Cya

品系背景

C57BL/6JCya

品系编号

KOCMP-20229-Sat1-B6J-VA

品系状态

使用本品系发表的文献需注明: Sat1-KO 基因敲除小鼠 mice (Strain S-KO-16993) were purchased from Cyagen.
交付类型
周龄
性别
基因型
数量
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小计:
询价

基本信息

基因研究概述

质控标准

基因
基因全称
spermidine/spermine N1-acetyl transferase 1
基因别称
SSAT,Sat
染色体号
Chr X (Mouse)
转录本 ID
NCBI: NM_009121 | Ensembl: ENSMUST00000026318
修饰方式
全身性基因敲除
靶向范围
Exon 1~6
敲除长度
~4.9 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:98233Mice homozygous for a knock-out allele exhibit reduced female fertility, increased percent body fat and total fat pad weight, abnormal liver and white adipose tissue physiology, abnormal aerobic energy metabolism, increased serum leptin levels, and increased weight gain on a high-fat diet.
SAT1,即spermidine/spermine N1-acetyltransferase 1,是一种在生物体内发挥重要功能的酶,主要参与多胺代谢过程。多胺是一类含氮有机化合物,包括腐胺、精脒和精胺,它们在细胞生长、分化和DNA损伤修复中发挥关键作用。SAT1作为多胺代谢途径中的限速酶,负责将精脒和精胺转化为腐胺,这一过程对于维持细胞内多胺平衡至关重要。

在肿瘤发生发展过程中,多胺代谢的改变与肿瘤细胞的生长和侵袭性密切相关。研究表明,SAT1的表达和活性在多种人类肿瘤中发生改变,提示其可能参与肿瘤的发生和发展。例如,在胰腺癌中,肿瘤相关成纤维细胞(CAFs)通过分泌乙酸盐来调节肿瘤细胞的代谢,乙酸盐通过ACSS2途径调节SAT1基因表达,进而影响多胺稳态,促进肿瘤细胞在酸性微环境中的存活[1]。此外,SAT1的激活能够诱导细胞发生铁死亡,从而抑制肿瘤的生长[3]。

在人类病原性真菌曲霉菌中,SAT1基因的缺失导致真菌生长缺陷和致病力下降。SAT1可能作为曲霉菌生长和致病性的潜在治疗靶点[2]。在心肌梗死中,SAT1的表达上调,可能作为早期诊断的潜在生物标志物[4]。在神经性疼痛的治疗中,电针通过抑制SAT1/ALOX15信号通路来减轻铁死亡,缓解疼痛症状[5]。在急性胰腺炎中,SAT1是巨噬细胞浸润相关的基因,参与调节炎症反应和细胞凋亡等信号通路[6]。在乳腺癌中,SAT1通过抑制自噬促进肿瘤的进展[7]。此外,SAT1还参与调节DNA传感蛋白cGAS的活性,通过影响B-DNA到Z-DNA的转换来控制免疫反应[8]。在结直肠癌中,SAT1的表达上调可能与微生物群失调有关,促进肿瘤的发生发展[9]。在阿尔茨海默病中,SAT1与星形胶质细胞铁死亡相关,可能参与疾病的发生发展[10]。

综上所述,SAT1作为一种重要的代谢酶,在多种生物学过程中发挥关键作用。SAT1的表达和活性改变与肿瘤、真菌感染、心肌梗死、神经性疼痛、急性胰腺炎、乳腺癌、阿尔茨海默病和结直肠癌等多种疾病的发生发展密切相关。因此,深入研究SAT1的功能及其调控机制,有望为这些疾病的治疗和预防提供新的思路和策略。

参考文献:
1. Murthy, Divya, Attri, Kuldeep S, Shukla, Surendra K, Wellen, Kathryn E, Singh, Pankaj K. 2024. Cancer-associated fibroblast-derived acetate promotes pancreatic cancer development by altering polyamine metabolism via the ACSS2-SP1-SAT1 axis. In Nature cell biology, 26, 613-627. doi:10.1038/s41556-024-01372-4. https://pubmed.ncbi.nlm.nih.gov/38429478/
2. Wei, Yunyun, He, Dan, Zhao, Busi, Zhang, Xiaowei, Wang, Li. 2022. The sat1 Gene Is Required for the Growth and Virulence of the Human Pathogenic Fungus Aspergillus fumigatus. In Microbiology spectrum, 10, e0155821. doi:10.1128/spectrum.01558-21. https://pubmed.ncbi.nlm.nih.gov/35107385/
3. Ou, Yang, Wang, Shang-Jui, Li, Dawei, Chu, Bo, Gu, Wei. 2016. Activation of SAT1 engages polyamine metabolism with p53-mediated ferroptotic responses. In Proceedings of the National Academy of Sciences of the United States of America, 113, E6806-E6812. doi:. https://pubmed.ncbi.nlm.nih.gov/27698118/
4. Zhu, Dongfei, Zhang, Xue, Fang, Yuan, Jiang, Can, Huang, Dong. 2024. Identification of a lactylation-related gene signature as the novel biomarkers for early diagnosis of acute myocardial infarction. In International journal of biological macromolecules, 282, 137431. doi:10.1016/j.ijbiomac.2024.137431. https://pubmed.ncbi.nlm.nih.gov/39521235/
5. Wan, Kexing, Jia, Min, Zhang, Hong, Liu, Yongmin, Li, Man. 2023. Electroacupuncture Alleviates Neuropathic Pain by Suppressing Ferroptosis in Dorsal Root Ganglion via SAT1/ALOX15 Signaling. In Molecular neurobiology, 60, 6121-6132. doi:10.1007/s12035-023-03463-z. https://pubmed.ncbi.nlm.nih.gov/37421564/
6. Fang, Zhen, Li, Jie, Cao, Feng, Li, Fei. 2022. Integration of scRNA-Seq and Bulk RNA-Seq Reveals Molecular Characterization of the Immune Microenvironment in Acute Pancreatitis. In Biomolecules, 13, . doi:10.3390/biom13010078. https://pubmed.ncbi.nlm.nih.gov/36671463/
7. Tian, Wenwen, Zhu, Lewei, Luo, Yongzhou, Xie, Xiaoming, Ye, Feng. 2024. Autophagy Deficiency Induced by SAT1 Potentiates Tumor Progression in Triple-Negative Breast Cancer. In Advanced science (Weinheim, Baden-Wurttemberg, Germany), 11, e2309903. doi:10.1002/advs.202309903. https://pubmed.ncbi.nlm.nih.gov/39073262/
8. Zhao, Chunyuan, Ma, Yunjin, Zhang, Minghui, Gao, Chengjiang, Zhao, Wei. 2023. Polyamine metabolism controls B-to-Z DNA transition to orchestrate DNA sensor cGAS activity. In Immunity, 56, 2508-2522.e6. doi:10.1016/j.immuni.2023.09.012. https://pubmed.ncbi.nlm.nih.gov/37848037/
9. Chen, Haoyan, Tong, Tianying, Lu, Shi-Yuan, Hong, Jie, Fang, Jing-Yuan. 2023. Urea cycle activation triggered by host-microbiota maladaptation driving colorectal tumorigenesis. In Cell metabolism, 35, 651-666.e7. doi:10.1016/j.cmet.2023.03.003. https://pubmed.ncbi.nlm.nih.gov/36963394/
10. Dang, Yini, He, Qing, Yang, Siyu, Zheng, Yu, Wu, Ting. 2022. FTH1- and SAT1-Induced Astrocytic Ferroptosis Is Involved in Alzheimer's Disease: Evidence from Single-Cell Transcriptomic Analysis. In Pharmaceuticals (Basel, Switzerland), 15, . doi:10.3390/ph15101177. https://pubmed.ncbi.nlm.nih.gov/36297287/