Lmx1b-flox 基因敲除小鼠

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产品名称

Lmx1b-flox 基因敲除小鼠

产品编号

S-CKO-03412

品系全称

C57BL/6JCya-Lmx1bem1flox/Cya

品系背景

C57BL/6JCya

品系编号

CKOCMP-16917-Lmx1b-B6J-VA

品系状态

使用本品系发表的文献需注明: Lmx1b-flox 基因敲除小鼠 mice (Strain S-CKO-03412) 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
LIM homeobox transcription factor 1 beta
基因别称
Icst,LMX1.1,LMX1.2
染色体号
Chr 2 (Mouse)
转录本 ID
NCBI: NM_010725.3 | Ensembl: ENSMUST00000041730
修饰方式
条件性基因敲除
靶向范围
Exon 4~8
敲除长度
~2964 bp
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:1100513Homozygotes for a targeted null mutation exhibit various skeletal, kidney, and eye defects. Pups also fail to suckle. Heterozygous mice with a homeodomain V265D mutation exhibit a variety of eye defects.
基因Lmx1b是一种编码LIM(Lin-1, Isl-1和Mec-3)-homeodomain转录因子的基因,在脊椎动物胚胎中广泛表达,并在多种组织的发育中发挥重要作用。Lmx1b的突变会导致一种常染色体显性遗传疾病,称为甲综合征(NPS),该疾病以手指和脚趾甲的发育不良或缺失、膝盖的发育不良或缺失以及肾脏和眼睛的病变为特征。Lmx1b在胚胎的肢体、肾脏、眼睛和大脑的发育中发挥着关键作用,特别是在肢体的背腹模式形成、眼睛前部的分化、中枢神经系统中特定神经元群体的发育以及肾脏足细胞的分化和维持中。此外,Lmx1b还在大脑的成熟和正常功能调控中发挥着重要作用。Lmx1b的下游调控网络包括细胞外基质生产、骨骼和关节形成、轴突引导、血管发育、细胞增殖和细胞运动等。Lmx1b的激活在肢体再生过程中也发挥着重要作用,通过神经的存在来实现。Lmx1b的表达与基因体甲基化水平呈正相关,这可能是其上调的重要机制之一。Lmx1b的突变会导致甲综合征和与Lmx1b相关的肾脏病变,如胶原纤维性肾小球病和Lmx1b相关肾病。Lmx1b的表达上调在喉鳞状细胞癌中具有独立的预后价值,而基因体甲基化水平可能是更好的预后指标。Lmx1b的突变和表达异常与多种疾病的发生和预后相关,对其深入研究有助于了解其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[1,2,3,4,5,6,7,8,9,10]。

参考文献:
1. Witzgall, Ralph. 2017. Nail-patella syndrome. In Pflugers Archiv : European journal of physiology, 469, 927-936. doi:10.1007/s00424-017-2013-z. https://pubmed.ncbi.nlm.nih.gov/28681095/
2. Fan, Liang, Zhang, Aiping, Deng, Pingping. 2019. LMX1B mRNA expression and its gene body CpG methylation are valuable prognostic biomarkers for laryngeal squamous cell carcinoma. In Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie, 117, 109174. doi:10.1016/j.biopha.2019.109174. https://pubmed.ncbi.nlm.nih.gov/31387183/
3. Dai, Jin-Xia, Johnson, Randy L, Ding, Yu-Qiang. 2009. Manifold functions of the Nail-Patella Syndrome gene Lmx1b in vertebrate development. In Development, growth & differentiation, 51, 241-50. doi:10.1111/j.1440-169X.2008.01083.x. https://pubmed.ncbi.nlm.nih.gov/19222527/
4. Miyake, Masato, Katayama, Kan, Ehara, Takashi, Ito, Masaaki, Dohi, Kaoru. 2020. Collagenofibrotic Glomerulopathy. In Internal medicine (Tokyo, Japan), 60, 911-915. doi:10.2169/internalmedicine.6090-20. https://pubmed.ncbi.nlm.nih.gov/33055489/
5. Harita, Yutaka, Kitanaka, Sachiko, Isojima, Tsuyoshi, Ashida, Akira, Hattori, Motoshi. 2016. Spectrum of LMX1B mutations: from nail-patella syndrome to isolated nephropathy. In Pediatric nephrology (Berlin, Germany), 32, 1845-1850. doi:10.1007/s00467-016-3462-x. https://pubmed.ncbi.nlm.nih.gov/27450397/
6. Yamamoto, Sakiya, Kashimoto, Rena, Furukawa, Saya, Ohashi, Ayaka, Satoh, Akira. 2022. Lmx1b activation in axolotl limb regeneration. In Developmental dynamics : an official publication of the American Association of Anatomists, 251, 1509-1523. doi:10.1002/dvdy.476. https://pubmed.ncbi.nlm.nih.gov/35403281/
7. Dunston, Jennifer A, Hamlington, Jeanette D, Zaveri, Jayshree, Mountford, Roger, McIntosh, Iain. . The human LMX1B gene: transcription unit, promoter, and pathogenic mutations. In Genomics, 84, 565-76. doi:. https://pubmed.ncbi.nlm.nih.gov/15498463/
8. Tognetti, Linda, Baldassarri, Margherita, Fava, Francesca, Renieri, Alessandra, Rubegni, Pietro. 2020. A novel mutation in LMX1B gene in a newborn with nail-patella syndrome: Clinical and dermoscopic findings. In Pediatric dermatology, 37, 1205-1206. doi:10.1111/pde.14337. https://pubmed.ncbi.nlm.nih.gov/32892417/
9. Haldin, Caroline E, Massé, Karine L, Bhamra, Surinder, Kyuno, Jun-ichi, Jones, Elizabeth A. 2008. The lmx1b gene is pivotal in glomus development in Xenopus laevis. In Developmental biology, 322, 74-85. doi:10.1016/j.ydbio.2008.07.012. https://pubmed.ncbi.nlm.nih.gov/18687324/
10. Haro, Endika, Watson, Billy A, Feenstra, Jennifer M, Mohan, Subburaman, Oberg, Kerby C. 2017. Lmx1b-targeted cis-regulatory modules involved in limb dorsalization. In Development (Cambridge, England), 144, 2009-2020. doi:10.1242/dev.146332. https://pubmed.ncbi.nlm.nih.gov/28455377/