RPS6KA5(Ribosomal Protein S6 Kinase A5)属于核糖体S6激酶(RSK)家族,也称为p90核糖体S6激酶(p90RSK),该家族成员(如RSK1-4)均为丝氨酸/苏氨酸激酶,通过MAPK/ERK信号通路被激活,参与调控细胞增殖、存活、分化及应激响应。RPS6KA5编码的蛋白包含两个功能性激酶结构域(N端和C端),通过磷酸化下游靶蛋白(如转录因子CREB、BAD等)传递信号。其生物学功能包括促进神经元突触可塑性(与学习记忆相关)、调节炎症反应(通过NF-κB通路)及影响肿瘤发生(如乳腺癌中调控细胞迁移)。主要作用位点为细胞质和细胞核,在激活后易位至细胞核内调控基因表达。突变可能导致功能丧失或异常激活,例如错义突变与智力障碍或Coffin-Lowry综合征(一种X连锁遗传病,表现为发育迟缓和面部畸形)相关,而某些肿瘤中RPS6KA5过表达可能促进侵袭转移。该基因与神经退行性疾病(如阿尔茨海默病)、癌症和自身免疫疾病存在关联。过表达时可能增强细胞存活信号导致肿瘤耐药性,或加剧炎症反应;低表达则可能影响神经元功能或削弱免疫应答。RSK家族共性为依赖ERK级联激活、具有保守的激酶结构域及参与生长因子响应的调控。专业术语解释:激酶(kinase)是催化蛋白质磷酸化的酶,磷酸化指添加磷酸基团以改变蛋白活性;MAPK/ERK通路是细胞外信号调节细胞功能的经典传导路径;CREB为调控基因转录的关键蛋白。若需进一步探讨特定疾病机制或干预策略可扩展说明。
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RPS6KA5基因(以及对应的蛋白质)的细胞分布位置:
RPS6KA5基因的本体(GO)信息:
| 名称 |
|---|
| 4010 MAPK signaling pathway [PATH:hsa04010] |
| 4668 TNF signaling pathway [PATH:hsa04668] |
| 4261 Adrenergic signaling in cardiomyocytes [PATH:hsa04261] |
| 4722 Neurotrophin signaling pathway [PATH:hsa04722] |
| 4713 Circadian entrainment [PATH:hsa04713] |
| 5206 MicroRNAs in cancer [PATH:hsa05206] |
| 5219 Bladder cancer [PATH:hsa05219] |
| 名称 |
|---|
| Activated TLR4 signalling |
| Axon guidance |
| C-type lectin receptors (CLRs) |
| CD209 (DC-SIGN) signaling |
| CREB phosphorylation |
| Developmental Biology |
| ERK/MAPK targets |
| Immune System |
| Innate Immune System |
| L1CAM interactions |
| MAP kinase activation in TLR cascade |
| MAPK targets/ Nuclear events mediated by MAP kinases |
| MyD88 cascade initiated on plasma membrane |
| MyD88 dependent cascade initiated on endosome |
| MyD88-independent TLR3/TLR4 cascade |
| MyD88:Mal cascade initiated on plasma membrane |
| NCAM signaling for neurite out-growth |
| NGF signalling via TRKA from the plasma membrane |
| Nuclear Events (kinase and transcription factor activation) |
| Recycling pathway of L1 |
| Signalling by NGF |
| 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 |
| TRIF-mediated TLR3/TLR4 signaling |
| 疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
| Cocaine-Related Disorders | 0.12 | 1 | 0 | CTD_human |
| Psoriasis | 0.00272435 | 1 | 0 | LHGDN |
| Squamous cell carcinoma | 0.00272435 | 1 | 0 | LHGDN |
| Rheumatoid Arthritis | 0.002638474 | 2 | 0 | BeFree_GAD |
| Malignant neoplasm of urinary bladder | 0.002367032 | 1 | 0 | GAD |
| Tobacco Use Disorder | 0.002367032 | 1 | 0 | GAD |
| Malignant neoplasm of breast | 0.000271442 | 1 | 0 | BeFree |
| Carcinogenesis | 0.000271442 | 1 | 0 | BeFree |
| Nasopharyngeal carcinoma | 0.000271442 | 1 | 0 | BeFree |
| Breast Carcinoma | 0.000271442 | 1 | 0 | BeFree |
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