JUN基因属于激活蛋白1(AP-1)转录因子家族,该家族还包括FOS、JUNB和JUND等成员。AP-1家族基因的共同特点是编码亮氨酸拉链蛋白,这些蛋白能形成同源或异源二聚体并结合DNA上的特定序列(如TRE或CRE位点),调控下游靶基因的表达,参与细胞增殖、分化、凋亡、炎症反应和应激反应等多种生物学过程。JUN基因编码c-Jun蛋白,是AP-1复合物的核心成分之一,其生物学功能广泛,包括调控细胞周期进程、响应生长因子和细胞外信号(如紫外线或细胞因子刺激)、参与免疫反应以及维持组织稳态。c-Jun在多种组织中表达,尤其在快速增殖的细胞(如上皮细胞和免疫细胞)中活性较高。JUN基因突变或异常表达可导致其功能失调,例如某些突变会削弱其DNA结合能力或二聚化能力,从而影响靶基因的调控。JUN的功能异常与多种疾病相关,包括癌症(如肝癌、乳腺癌和肺癌,其中c-Jun的过表达常促进肿瘤生长和转移)、炎症性疾病(如类风湿性关节炎)和心血管疾病。当JUN过表达时,可能增强细胞增殖并抑制凋亡,促进肿瘤发生,同时可能激活促炎因子(如IL-6和TNF-α)的释放;而降低JUN表达可能导致细胞周期阻滞、凋亡增加或免疫反应减弱。此外,JUN与其他AP-1家族成员(如FOS)的相互作用对功能调控至关重要,例如c-Jun/c-Fos异源二聚体比c-Jun同源二聚体具有更高的转录活性。在发育过程中,JUN的缺失可能影响胚胎器官形成,尤其是肝脏和心脏的发育。总体而言,JUN作为关键的转录调控因子,其表达水平和活性的精细平衡对维持正常生理功能和防止疾病发生至关重要。
该基因是鸟肉瘤病毒17的推定的转化基因它编码一蛋白,其是高度相似的病毒蛋白,并直接与特定靶DNA序列相互作用,以调节基因表达。这种基因是无内含子并且被映射到1p32-P31,涉及在人类恶性肿瘤都易位和缺失的染色体区域。 [由RefSeq的,2008年7月提供]
JUN基因(以及对应的蛋白质)的细胞分布位置:
JUN基因的本体(GO)信息:
| 名称 |
|---|
| 4010 MAPK signaling pathway [PATH:hsa04010] |
| 4012 ErbB signaling pathway [PATH:hsa04012] |
| 4310 Wnt signaling pathway [PATH:hsa04310] |
| 4668 TNF signaling pathway [PATH:hsa04668] |
| 4024 cAMP signaling pathway [PATH:hsa04024] |
| 4510 Focal adhesion [PATH:hsa04510] |
| 4620 Toll-like receptor signaling pathway [PATH:hsa04620] |
| 4660 T cell receptor signaling pathway [PATH:hsa04660] |
| 4662 B cell receptor signaling pathway [PATH:hsa04662] |
| 4912 GnRH signaling pathway [PATH:hsa04912] |
| 4915 Estrogen signaling pathway [PATH:hsa04915] |
| 4921 Oxytocin signaling pathway [PATH:hsa04921] |
| 4722 Neurotrophin signaling pathway [PATH:hsa04722] |
| 4380 Osteoclast differentiation [PATH:hsa04380] |
| 5200 Pathways in cancer [PATH:hsa05200] |
| 5231 Choline metabolism in cancer [PATH:hsa05231] |
| 5203 Viral carcinogenesis [PATH:hsa05203] |
| 5210 Colorectal cancer [PATH:hsa05210] |
| 5211 Renal cell carcinoma [PATH:hsa05211] |
| 5323 Rheumatoid arthritis [PATH:hsa05323] |
| 5321 Inflammatiory bowel disease (IBD) [PATH:hsa05321] |
| 5030 Cocaine addiction [PATH:hsa05030] |
| 5031 Amphetamine addiction [PATH:hsa05031] |
| 4932 Non-alcoholic fatty liver disease (NAFLD) [PATH:hsa04932] |
| 5120 Epithelial cell signaling in Helicobacter pylori infection [PATH:hsa05120] |
| 5132 Salmonella infection [PATH:hsa05132] |
| 5133 Pertussis [PATH:hsa05133] |
| 5166 HTLV-I infection [PATH:hsa05166] |
| 5164 Influenza A [PATH:hsa05164] |
| 5161 Hepatitis B [PATH:hsa05161] |
| 5168 Herpes simplex infection [PATH:hsa05168] |
| 5169 Epstein-Barr virus infection [PATH:hsa05169] |
| 5140 Leishmaniasis [PATH:hsa05140] |
| 5142 Chagas disease (American trypanosomiasis) [PATH:hsa05142] |
| 名称 |
|---|
| Activated TLR4 signalling |
| Activation of the AP-1 family of transcription factors |
| Cellular responses to stress |
| Cellular Senescence |
| Fc epsilon receptor (FCERI) signaling |
| FCERI mediated MAPK activation |
| Immune System |
| Innate Immune System |
| 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 |
| Oxidative Stress Induced Senescence |
| Pre-NOTCH Expression and Processing |
| Pre-NOTCH Transcription and Translation |
| Senescence-Associated Secretory Phenotype (SASP) |
| Signal Transduction |
| Signaling by NOTCH |
| 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 |
| Mammary Neoplasms | 0.134164635 | 8 | 0 | BeFree_CTD_human_LHGDN |
| Liver carcinoma | 0.128434561 | 13 | 0 | BeFree_CTD_human_LHGDN |
| Osteosarcoma | 0.125720142 | 4 | 0 | BeFree_CTD_human_LHGDN |
| Stomach Neoplasms | 0.1254487 | 3 | 0 | CTD_human_LHGDN |
| Colonic Neoplasms | 0.12272435 | 3 | 0 | CTD_human_LHGDN |
| Lung Neoplasms | 0.12272435 | 2 | 0 | CTD_human_LHGDN |
| Liver neoplasms | 0.121085767 | 6 | 0 | BeFree_CTD_human |
| Mercury Poisoning, Nervous System | 0.12 | 1 | 0 | CTD_human |
| Intestinal Polyps | 0.12 | 1 | 0 | CTD_human |
| Reperfusion Injury | 0.12 | 1 | 0 | CTD_human |
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