ADH1C(Alcohol Dehydrogenase 1C)是乙醇脱氢酶(ADH)基因家族的一员,属于ADH家族中的Class I亚群。ADH家族是一组负责代谢乙醇和其他醇类物质的酶,主要存在于肝脏中,但也分布于其他组织如胃和大脑。ADH1C编码的酶在乙醇代谢中起关键作用,将乙醇转化为乙醛,随后乙醛被ALDH(乙醛脱氢酶)进一步代谢为乙酸。ADH1C具有多态性,常见的两种变异形式是ADH1C*1(编码γ1亚基)和ADH1C*2(编码γ2亚基),它们的酶活性不同,γ1亚基的代谢效率高于γ2亚基。ADH1C的突变可能影响乙醇代谢速率,例如携带ADH1C*1等位基因的个体代谢乙醇更快,可能降低酒精依赖风险,但也可能增加乙醛积累导致的毒性反应(如潮红反应)。ADH1C的异常表达与多种疾病相关,特别是酒精相关疾病。过表达ADH1C可能加速乙醇代谢,减少酒精对肝脏的直接损害,但乙醛积累可能增加氧化应激和DNA损伤风险,与某些癌症(如食道癌和肝癌)的易感性相关。相反,ADH1C表达降低可能导致乙醇代谢减慢,延长酒精在体内的停留时间,增加酒精中毒和肝损伤的风险。此外,ADH1C还参与其他内源性物质(如视黄醇和类固醇)的代谢,其表达异常可能影响这些物质的稳态。ADH家族(包括ADH1A、ADH1B、ADH1C、ADH4、ADH5、ADH6和ADH7)的共性在于它们都能催化醇类物质的氧化反应,但不同成员的组织分布、底物偏好和酶动力学特性存在差异。Class I ADH(ADH1A、ADH1B、ADH1C)主要在肝脏中高表达,对乙醇的亲和力较高,是乙醇代谢的主要参与者。ADH1C的研究不仅有助于理解酒精代谢的个体差异,还为酒精相关疾病的预防和治疗提供了潜在靶点。
This gene encodes class I alcohol dehydrogenase, gamma subunit, which is a member of the alcohol dehydrogenase family. Members of this enzyme family metabolize a wide variety of substrates, including ethanol, retinol, other aliphatic alcohols, hydroxysteroids, and lipid peroxidation products. Class I alcohol dehydrogenase, consisting of several homo- and heterodimers of alpha, beta, and gamma subunits, exhibits high activity for ethanol oxidation and plays a major role in ethanol catabolism. Three genes encoding alpha, beta and gamma subunits are tandemly organized in a genomic segment as a gene cluster. [provided by RefSeq, Jul 2008]
这个基因编码I类醇脱氢酶,γ-亚基,它是醇脱氢酶家族的一个成员。这种酶家族的成员代谢多种基底,包括乙醇,视黄醇,其它脂族醇,hydroxysteroids和脂质过氧化产物的。 I类醇脱氢酶,由几个均聚物和α,β,和γ亚基的异二聚体,表现出对乙醇氧化活性高,起着乙醇分解代谢的主要作用。编码α,β和γ亚基的三个基因而串联组织中的基因组片段作为基因簇。 [由RefSeq的,2008年7月提供]
ADH1C基因(以及对应的蛋白质)的细胞分布位置:
ADH1C基因的本体(GO)信息:
名称 |
---|
10 Glycolysis / Gluconeogenesis [PATH:hsa00010] |
71 Fatty acid degradation [PATH:hsa00071] |
350 Tyrosine metabolism [PATH:hsa00350] |
830 Retinol metabolism [PATH:hsa00830] |
980 Metabolism of xenobiotics by cytochrome P450 [PATH:hsa00980] |
982 Drug metabolism - cytochrome P450 [PATH:hsa00982] |
5204 Chemical carcinogenesis [PATH:hsa05204] |
名称 |
---|
Biological oxidations |
Ethanol oxidation |
Metabolism |
Phase 1 - Functionalization of compounds |
RA biosynthesis pathway |
Signal Transduction |
Signaling by Retinoic Acid |
疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
Alcoholic Intoxication, Chronic | 0.195114925 | 66 | 1 | BeFree_CTD_human_GAD |
Mouth Neoplasms | 0.136569224 | 7 | 0 | CTD_human_GAD |
PARKINSON DISEASE, LATE-ONSET | 0.12 | 0 | 0 | CTD_human |
PARKINSON DISEASE, MITOCHONDRIAL (disorder) | 0.12 | 0 | 1 | CLINVAR |
Squamous cell carcinoma | 0.027294872 | 11 | 0 | BeFree_GAD_LHGDN |
Head and Neck Neoplasms | 0.021303288 | 9 | 1 | GAD |
Liver Cirrhosis, Alcoholic | 0.021107791 | 12 | 0 | BeFree_GAD |
Colorectal Cancer | 0.020564907 | 11 | 0 | BeFree_GAD |
Malignant neoplasm of breast | 0.018740759 | 10 | 1 | BeFree_GAD |
Pancreatitis, Alcoholic | 0.016840666 | 7 | 0 | BeFree_GAD |
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