DHX9(也称为RNA解旋酶A或RHA)是一种属于DEAH-box RNA解旋酶家族的基因,该家族成员具有保守的ATP依赖的RNA解旋酶活性,参与RNA代谢的多个过程。DHX9在细胞核和细胞质中均有表达,主要功能包括参与转录调控、mRNA剪接、核糖体RNA加工、miRNA生成以及先天免疫应答等。它能够解开DNA和RNA的二级结构,促进转录延伸和RNA加工的效率。DHX9还参与抗病毒免疫反应,通过识别病毒RNA并激活干扰素信号通路来抵御病毒感染。DHX9的突变可能导致其解旋酶活性丧失或功能异常,进而影响RNA代谢和免疫应答,与某些癌症(如乳腺癌和白血病)、神经退行性疾病和自身免疫疾病的发病机制相关。DHX9过表达可能促进肿瘤细胞的增殖和转移,因为它可以增强某些致癌基因的表达并抑制肿瘤抑制基因的功能。相反,DHX9表达降低可能导致RNA加工缺陷、转录失调和免疫应答减弱,增加病毒感染的风险。在DEAH-box RNA解旋酶家族中,成员通常具有保守的解旋酶核心结构域,能够结合并水解ATP以驱动RNA或DNA的解旋。DHX9作为该家族的重要成员,其功能多样性使其在基因表达调控和免疫防御中扮演关键角色。
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DHX9基因(以及对应的蛋白质)的细胞分布位置:
DHX9基因的本体(GO)信息:
| 名称 |
|---|
| Activated TLR4 signalling |
| Cytosolic sensors of pathogen-associated DNA |
| DEx/H-box helicases activate type I IFN and inflammatory cytokines production |
| Gene Expression |
| Immune System |
| Innate Immune System |
| mRNA Splicing |
| mRNA Splicing - Major Pathway |
| MyD88 cascade initiated on plasma membrane |
| MyD88 dependent cascade initiated on endosome |
| MyD88-independent TLR3/TLR4 cascade |
| MyD88:Mal cascade initiated on plasma membrane |
| Processing of Capped Intron-Containing Pre-mRNA |
| RIG-I/MDA5 mediated induction of IFN-alpha/beta pathways |
| RIP-mediated NFkB activation via ZBP1 |
| TAK1 activates NFkB by phosphorylation and activation of IKKs complex |
| Toll Like Receptor 10 (TLR10) Cascade |
| Toll Like Receptor 2 (TLR2) Cascade |
| Toll Like Receptor 3 (TLR3) Cascade |
| Toll Like Receptor 4 (TLR4) Cascade |
| Toll Like Receptor 5 (TLR5) Cascade |
| Toll Like Receptor 7/8 (TLR7/8) Cascade |
| Toll Like Receptor 9 (TLR9) Cascade |
| Toll Like Receptor TLR1:TLR2 Cascade |
| Toll Like Receptor TLR6:TLR2 Cascade |
| Toll-Like Receptors Cascades |
| TRAF6 mediated induction of NFkB and MAP kinases upon TLR7/8 or 9 activation |
| TRAF6 Mediated Induction of proinflammatory cytokines |
| TRAF6 mediated NF-kB activation |
| TRIF-mediated TLR3/TLR4 signaling |
| ZBP1(DAI) mediated induction of type I IFNs |
| 疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
| Werner Syndrome | 0.002995792 | 1 | 0 | BeFree_LHGDN |
| Malignant neoplasm of breast | 0.002638474 | 1 | 0 | BeFree_GAD |
| Influenza | 0.001085767 | 4 | 0 | BeFree |
| Lymphogranuloma Venereum | 0.000271442 | 1 | 0 | BeFree |
| Virus Diseases | 0.000271442 | 1 | 0 | BeFree |
| Acute Promyelocytic Leukemia | 0.000271442 | 1 | 0 | BeFree |
| Lupus Erythematosus, Discoid | 0.000271442 | 1 | 0 | BeFree |
| Central neuroblastoma | 0.000271442 | 1 | 0 | BeFree |
| Neuroblastoma | 0.000271442 | 1 | 0 | BeFree |
| Lymphoma | 0.000271442 | 1 | 0 | BeFree |
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