MEN1基因(多发性内分泌腺瘤1型基因)位于人类染色体11q13上,编码一种名为menin的核蛋白。Menin在多种细胞过程中发挥关键作用,包括调控基因转录、细胞增殖、基因组稳定性和表观遗传修饰。它通过与多种蛋白质相互作用(如组蛋白甲基转移酶MLL复合物)来影响染色质结构和基因表达。MEN1基因突变会导致多发性内分泌腺瘤1型(MEN1综合征),这是一种常染色体显性遗传病,表现为甲状旁腺、胰腺和垂体等内分泌器官的肿瘤。突变通常导致menin功能丧失,破坏其抑癌作用,进而促进肿瘤发生。MEN1基因属于MEN1基因家族,该家族成员在调控细胞周期和肿瘤抑制方面具有共性。如果MEN1过表达,可能增强其抑癌功能,但具体机制尚不完全清楚;而降低表达或功能缺失则会导致细胞增殖失控和肿瘤形成。此外,MEN1还与其他疾病如散发性内分泌肿瘤、白血病和乳腺癌等有关。研究MEN1基因有助于理解肿瘤发生的分子机制,并为相关疾病的诊断和治疗提供靶点。
This gene encodes menin, a putative tumor suppressor associated with a syndrome known as multiple endocrine neoplasia type 1. In vitro studies have shown menin is localized to the nucleus, possesses two functional nuclear localization signals, and inhibits transcriptional activation by JunD, however, the function of this protein is not known. Two messages have been detected on northern blots but the larger message has not been characterized. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2008]
这个基因编码MENIN,与被称为多发性内分泌肿瘤类型1.在体外研究显示MENIN被定位于细胞核一个综合征相关的假定的肿瘤抑制,具有两个官能核定位信号,并抑制由JUND转录激活然而,该蛋白质的功能是未知的。已经检测到上northern印迹两个消息但较大的消息尚未表征。选择性剪接结果在多个抄本变形。 [由RefSeq的,2008年10月提供]
MEN1基因(以及对应的蛋白质)的细胞分布位置:
MEN1基因的本体(GO)信息:
| 名称 |
|---|
| 5202 Transcriptional misregulation in cancers [PATH:hsa05202] |
| 名称 |
|---|
| deactivation of the beta-catenin transactivating complex |
| formation of the beta-catenin:TCF transactivating complex |
| Gene Expression |
| Generic Transcription Pathway |
| RHO GTPase Effectors |
| RHO GTPases activate IQGAPs |
| Signal Transduction |
| Signaling by Rho GTPases |
| Signaling by TGF-beta Receptor Complex |
| Signaling by Wnt |
| SMAD2/SMAD3:SMAD4 heterotrimer regulates transcription |
| TCF dependent signaling in response to WNT |
| Transcriptional activity of SMAD2/SMAD3:SMAD4 heterotrimer |
| 疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
| Multiple Endocrine Neoplasia Type 1 | 0.687063012 | 252 | 31 | BeFree_CLINVAR_CTD_human_GAD_LHGDN_MGD_ORPHANET_UNIPROT |
| HYPERPARATHYROIDISM 1 | 0.443800186 | 19 | 2 | BeFree_CLINVAR_CTD_human_MGD_UNIPROT |
| Neuroendocrine Tumors | 0.13758764 | 38 | 0 | BeFree_CTD_human_GAD_LHGDN |
| Pancreatic Neoplasm | 0.136992555 | 24 | 1 | BeFree_CTD_human_GAD |
| Gastrinoma | 0.134416214 | 26 | 0 | BeFree_CTD_human_LHGDN |
| insulinoma | 0.132148871 | 27 | 0 | BeFree_CTD_human_GAD_LHGDN |
| Adrenocortical carcinoma | 0.121357209 | 5 | 0 | BeFree_CTD_human |
| Neoplastic Syndromes, Hereditary | 0.121085767 | 4 | 1 | BeFree_CLINVAR |
| Glucagonoma | 0.121085767 | 5 | 0 | BeFree_CTD_human |
| Carcinoid tumor of lung | 0.120542884 | 2 | 0 | BeFree_CLINVAR |
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