AKR1C4(醛酮还原酶家族1成员C4)属于醛酮还原酶(AKR)超家族,该家族成员广泛存在于生物体中,主要功能是通过NADPH依赖的还原反应参与多种代谢过程,包括类固醇激素、前列腺素、脂质过氧化物和异生物质的代谢。AKR1C4主要在肝脏中高表达,其编码的蛋白能够催化多种羰基化合物的还原反应,特别是参与类固醇激素如雄激素和雌激素的代谢调控,影响激素的活性和清除。AKR1C4在调节体内激素平衡中起重要作用,其异常表达可能与激素依赖性癌症(如前列腺癌和乳腺癌)的发生发展相关。AKR1C4基因突变可能导致酶活性改变,进而影响激素代谢平衡,可能引发内分泌紊乱或增加相关疾病风险。AKR1C4过表达可能导致某些激素代谢异常,如雌激素水平升高,从而促进激素依赖性肿瘤的生长;而表达降低则可能影响激素的清除,导致激素积累或代谢紊乱。AKR1C4所属的AKR1C亚家族还包括AKR1C1、AKR1C2和AKR1C3等成员,这些基因在结构和功能上具有高度相似性,均参与类固醇激素和前列腺素的代谢,但在组织分布和底物特异性上存在差异。AKR1C家族成员的共性包括依赖NADPH作为辅因子、具有广泛的底物特异性以及参与多种生理和病理过程。研究AKR1C4及其家族成员有助于深入理解激素代谢调控机制,并为相关疾病的诊断和治疗提供潜在靶点。
This gene encodes a member of the aldo/keto reductase superfamily, which consists of more than 40 known enzymes and proteins. These enzymes catalyze the conversion of aldehydes and ketones to their corresponding alcohols by utilizing NADH and/or NADPH as cofactors. The enzymes display overlapping but distinct substrate specificity. This enzyme catalyzes the bioreduction of chlordecone, a toxic organochlorine pesticide, to chlordecone alcohol in liver. This gene shares high sequence identity with three other gene members and is clustered with those three genes at chromosome 10p15-p14. [provided by RefSeq, Jul 2008]
该基??因编码的醛/酮还原酶家族,其由超过40已知酶和蛋白质的成员。这些酶利用NADH和/或NADPH作为辅因子催化的醛和酮,以它们相应的醇的转化。酶显示重叠但不同的底物特异性。这种酶催化十氯酮在肝脏的生物还原,一种有毒的有机氯农药,十氯酮醇。该基因股与其他三个成员的基因序列高度认同,并在染色体10p15-P14是集群与三个基因。 [由RefSeq的,2008年7月提供]
AKR1C4基因(以及对应的蛋白质)的细胞分布位置:
AKR1C4基因的本体(GO)信息:
名称 |
---|
120 Primary bile acid biosynthesis [PATH:hsa00120] |
140 Steroid hormone biosynthesis [PATH:hsa00140] |
980 Metabolism of xenobiotics by cytochrome P450 [PATH:hsa00980] |
名称 |
---|
Bile acid and bile salt metabolism |
Metabolism |
Metabolism of lipids and lipoproteins |
Retinoid metabolism and transport |
Signal Transduction |
Synthesis of bile acids and bile salts |
Synthesis of bile acids and bile salts via 24-hydroxycholesterol |
Synthesis of bile acids and bile salts via 27-hydroxycholesterol |
Synthesis of bile acids and bile salts via 7alpha-hydroxycholesterol |
Visual phototransduction |
疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
MALE PSEUDOHERMAPHRODITISM: DEFICIENCY OF TESTICULAR 17,20-DESMOLASE | 0.24 | 0 | 1 | CLINVAR_ORPHANET |
Bipolar Disorder | 0.120542884 | 2 | 0 | BeFree_CTD_human |
Paranoia | 0.120271442 | 1 | 0 | BeFree_CTD_human |
Dementia | 0.003257302 | 12 | 5 | BeFree |
Presenile dementia | 0.003257302 | 12 | 5 | BeFree |
Malignant neoplasm of urinary bladder | 0.002638474 | 2 | 1 | BeFree_GAD |
Malignant neoplasm of breast | 0.002638474 | 2 | 0 | BeFree_GAD |
Alcoholic Intoxication, Chronic | 0.002638474 | 2 | 0 | BeFree_GAD |
Chronic Obstructive Airway Disease | 0.002367032 | 1 | 0 | GAD |
Malignant neoplasm of lung | 0.002367032 | 1 | 0 | GAD |
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