RELA基因编码转录因子p65,是NF-κB(核因子κB)蛋白家族的核心成员之一。NF-κB家族包含五个亚基(RELA/p65、RELB、c-REL、NFKB1/p50、NFKB2/p52),它们通过形成同源或异源二聚体调控基因表达,在免疫应答、炎症反应、细胞增殖和凋亡等生理过程中发挥关键作用。RELA/p65具有转录激活域,能直接结合DNA并招募其他转录辅因子,而其他家族成员如p50缺乏转录激活域,常需与RELA形成异源二聚体(如经典的p65-p50二聚体)才能激活靶基因。RELA的活性受IκB蛋白的抑制,当细胞受到炎症因子(如TNF-α)、病原体或应激刺激时,IκB被降解,释放RELA进入细胞核调控靶基因(如IL-6、TNF-α、COX-2等)。RELA的功能突变(如DNA结合域突变)可能导致NF-κB信号通路异常激活或抑制,与多种疾病相关:过度激活会促进慢性炎症(如类风湿性关节炎)、癌症(如淋巴瘤、乳腺癌)和自身免疫病,而功能缺失可能增加感染风险或导致免疫缺陷。RELA过表达会增强促炎因子和抗凋亡基因的转录,加速肿瘤生长和转移,同时可能抑制其他转录因子(如AP-1)的活性;低表达则可能削弱免疫防御,导致组织修复障碍。此外,RELA在发育中调控神经形成和肝细胞稳态,其条件性敲除小鼠会出现肝细胞凋亡和胚胎致死。该基因的调控异常还与阿尔茨海默病、糖尿病并发症等慢性病相关。药物开发中,靶向RELA的抑制剂(如硼替佐米)被用于治疗多发性骨髓瘤等NF-κB依赖型癌症。
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RELA基因(以及对应的蛋白质)的细胞分布位置:
RELA基因的本体(GO)信息:
名称 |
---|
4014 Ras signaling pathway [PATH:hsa04014] |
4010 MAPK signaling pathway [PATH:hsa04010] |
4064 NF-kappa B signaling pathway [PATH:hsa04064] |
4668 TNF signaling pathway [PATH:hsa04668] |
4066 HIF-1 signaling pathway [PATH:hsa04066] |
4071 Sphingolipid signaling pathway [PATH:hsa04071] |
4024 cAMP signaling pathway [PATH:hsa04024] |
4151 PI3K-Akt signaling pathway [PATH:hsa04151] |
4210 Apoptosis [PATH:hsa04210] |
4620 Toll-like receptor signaling pathway [PATH:hsa04620] |
4621 NOD-like receptor signaling pathway [PATH:hsa04621] |
4622 RIG-I-like receptor signaling pathway [PATH:hsa04622] |
4623 Cytosolic DNA-sensing pathway [PATH:hsa04623] |
4660 T cell receptor signaling pathway [PATH:hsa04660] |
4662 B cell receptor signaling pathway [PATH:hsa04662] |
4062 Chemokine signaling pathway [PATH:hsa04062] |
4920 Adipocytokine signaling pathway [PATH:hsa04920] |
4917 Prolactin signaling pathway [PATH:hsa04917] |
4722 Neurotrophin signaling pathway [PATH:hsa04722] |
4380 Osteoclast differentiation [PATH:hsa04380] |
5200 Pathways in cancer [PATH:hsa05200] |
5202 Transcriptional misregulation in cancers [PATH:hsa05202] |
5203 Viral carcinogenesis [PATH:hsa05203] |
5212 Pancreatic cancer [PATH:hsa05212] |
5221 Acute myeloid leukemia [PATH:hsa05221] |
5220 Chronic myeloid leukemia [PATH:hsa05220] |
5215 Prostate cancer [PATH:hsa05215] |
5222 Small cell lung cancer [PATH:hsa05222] |
5321 Inflammatiory bowel disease (IBD) [PATH:hsa05321] |
5030 Cocaine addiction [PATH:hsa05030] |
4932 Non-alcoholic fatty liver disease (NAFLD) [PATH:hsa04932] |
5120 Epithelial cell signaling in Helicobacter pylori infection [PATH:hsa05120] |
5132 Salmonella infection [PATH:hsa05132] |
5131 Shigellosis [PATH:hsa05131] |
5133 Pertussis [PATH:hsa05133] |
5134 Legionellosis [PATH:hsa05134] |
5152 Tuberculosis [PATH:hsa05152] |
5166 HTLV-I infection [PATH:hsa05166] |
5162 Measles [PATH:hsa05162] |
5164 Influenza A [PATH:hsa05164] |
5161 Hepatitis B [PATH:hsa05161] |
5160 Hepatitis C [PATH:hsa05160] |
5168 Herpes simplex infection [PATH:hsa05168] |
5169 Epstein-Barr virus infection [PATH:hsa05169] |
5146 Amoebiasis [PATH:hsa05146] |
5145 Toxoplasmosis [PATH:hsa05145] |
5140 Leishmaniasis [PATH:hsa05140] |
5142 Chagas disease (American trypanosomiasis) [PATH:hsa05142] |
名称 |
---|
Activated TLR4 signalling |
Activation of NF-kappaB in B cells |
Adaptive Immune System |
C-type lectin receptors (CLRs) |
CD209 (DC-SIGN) signaling |
Cellular responses to stress |
Cellular Senescence |
CLEC7A (Dectin-1) signaling |
CLEC7A/inflammasome pathway |
Cytokine Signaling in Immune system |
Cytosolic sensors of pathogen-associated DNA |
Dectin-1 mediated noncanonical NF-kB signaling |
Developmental Biology |
DEx/H-box helicases activate type I IFN and inflammatory cytokines production |
Disease |
Diseases associated with the TLR signaling cascade |
Diseases of Immune System |
Downstream signaling events of B Cell Receptor (BCR) |
Downstream TCR signaling |
Fc epsilon receptor (FCERI) signaling |
FCERI mediated NF-kB activation |
IkBA variant leads to EDA-ID |
IKBKG deficiency causes anhidrotic ectodermal dysplasia with immunodeficiency (EDA-ID) (via TLR) |
Immune System |
Innate Immune System |
Interleukin-1 processing |
MyD88 cascade initiated on plasma membrane |
MyD88 dependent cascade initiated on endosome |
MyD88-independent TLR3/TLR4 cascade |
MyD88:Mal cascade initiated on plasma membrane |
NF-kB is activated and signals survival |
p75 NTR receptor-mediated signalling |
p75NTR signals via NF-kB |
Regulated proteolysis of p75NTR |
RIG-I/MDA5 mediated induction of IFN-alpha/beta pathways |
RIP-mediated NFkB activation via ZBP1 |
Senescence-Associated Secretory Phenotype (SASP) |
Signaling by Interleukins |
Signaling by the B Cell Receptor (BCR) |
Signalling by NGF |
TAK1 activates NFkB by phosphorylation and activation of IKKs complex |
TCR signaling |
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 |
Transcriptional regulation of white adipocyte differentiation |
TRIF-mediated TLR3/TLR4 signaling |
ZBP1(DAI) mediated induction of type I IFNs |
疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
Colitis | 0.200814326 | 5 | 0 | BeFree_CTD_human_RGD |
Kidney Failure, Chronic | 0.200271442 | 3 | 0 | BeFree_CTD_human_RGD |
Diabetes Mellitus, Experimental | 0.2 | 3 | 0 | CTD_human_RGD |
Reperfusion Injury | 0.2 | 3 | 0 | CTD_human_RGD |
Hypertensive disease | 0.2 | 2 | 0 | CTD_human_RGD |
Mammary Neoplasms | 0.128715934 | 6 | 0 | BeFree_CTD_human_LHGDN |
Ulcerative Colitis | 0.124353001 | 8 | 0 | BeFree_CTD_human_LHGDN |
Ependymoma | 0.120814326 | 3 | 0 | BeFree_ORPHANET |
Diabetic Nephropathy | 0.120271442 | 2 | 0 | BeFree_CTD_human |
Colonic Neoplasms | 0.120271442 | 2 | 0 | BeFree_CTD_human |
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