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COL4A5 c.1390G>A
ALS1
DMD c.1332-11868C>G
TP53
肌萎缩侧索硬化症1型
USH2A c.8559-2A>G
囊性纤维化
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中文
人类
HTT - Huntingtin
Alias:
HD
IT15
LOMARS
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Basic Information
Sequence Homology
Related Diseases and Mutations
Transcripts & Proteins
Gene Expression
Interactions
Related Mouse Models
Related Drugs
References Literature
亨廷顿病是一种由亨廷顿基因突变引起的神经退行性疾病,其特征是纹状体神经元丧失。这是由亨廷顿基因中的扩展不稳定三核苷酸重复引起的,在蛋白质产物中翻译成多聚谷氨酰胺重复。在正常对照中已经识别出相当广泛的三核苷酸重复范围(9-35),超过40次的重复被认为是有病理性。亨廷顿基因座很大,跨越180kb,由67个外显子组成。亨廷顿基因广泛表达,对正常发育是必需的。它以两种可选的聚腺苷酸化形式表达,在各种胎儿和成人组织中显示不同的相对丰度。较大的转录本约为13.7kb,主要在成人和胎儿大脑中表达,而较小的转录本约为10.3kb在更广泛的组织中表达。导致亨廷顿病的遗传缺陷可能不需要消除转录,而可能给mRNA赋予新的特性或改变蛋白质的功能。一个候选物是亨廷顿相关蛋白-1,在大脑中高度表达,它与扩多的多聚谷氨酰胺重复的亨廷顿蛋白有增加的亲和力。该基因在5'UTR中包含一个上游开放阅读框,通过翻译抑制来抑制亨廷顿基因产品的表达。[由RefSeq,2016年7月提供]
Related ID:
NCBI:3064
ENSEMBL:ENSG00000197386
HGNC:4851
UNIPROT:P42858
OMIM:613004
Basic Information
NCBI
Transcripts
Exons
Length
MW (kDa)
Mutations
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Reference
3064
2
67
169280 bp
347.60
632
4
61
45
HTT Genetics information (+)
GRCh38
Sequence Homology
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* This data comes from NCBI.
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