CXCL8(也称为白细胞介素-8,IL-8)是一种趋化因子,属于CXC趋化因子家族,其主要功能是招募和激活中性粒细胞等免疫细胞,参与炎症反应和免疫防御。CXCL8通过与细胞表面的趋化因子受体CXCR1和CXCR2结合,触发下游信号通路,促进中性粒细胞的迁移、脱颗粒和呼吸爆发,从而清除病原体或损伤组织。CXCL8主要由巨噬细胞、内皮细胞和上皮细胞等在炎症或感染时分泌,其表达受NF-κB和AP-1等转录因子的调控。CXCL8基因突变可能导致其表达或功能异常,影响炎症反应的强度或持续时间,与多种疾病相关,如慢性炎症性疾病(类风湿性关节炎、炎症性肠病)、感染性疾病和癌症(特别是肿瘤微环境中的血管生成和转移)。CXCL8过表达会加剧炎症反应,可能导致组织损伤或自身免疫疾病,而降低表达则可能削弱免疫防御,增加感染风险。CXC趋化因子家族成员通常具有保守的CXC基序(两个半胱氨酸残基之间隔一个其他氨基酸),主要参与白细胞趋化和血管生成等过程。CXCL8作为该家族的重要成员,与其他趋化因子如CXCL1、CXCL2和CXCL5在功能上有部分重叠,共同调节炎症和免疫反应。
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CXCL8基因(以及对应的蛋白质)的细胞分布位置:
CXCL8基因的本体(GO)信息:
名称 |
---|
4064 NF-kappa B signaling pathway [PATH:hsa04064] |
4060 Cytokine-cytokine receptor interaction [PATH:hsa04060] |
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] |
4062 Chemokine signaling pathway [PATH:hsa04062] |
5200 Pathways in cancer [PATH:hsa05200] |
5202 Transcriptional misregulation in cancers [PATH:hsa05202] |
5219 Bladder cancer [PATH:hsa05219] |
5323 Rheumatoid arthritis [PATH:hsa05323] |
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] |
5164 Influenza A [PATH:hsa05164] |
5161 Hepatitis B [PATH:hsa05161] |
5160 Hepatitis C [PATH:hsa05160] |
5146 Amoebiasis [PATH:hsa05146] |
5144 Malaria [PATH:hsa05144] |
5142 Chagas disease (American trypanosomiasis) [PATH:hsa05142] |
名称 |
---|
ATF4 activates genes |
Cellular responses to stress |
Cellular Senescence |
Chemokine receptors bind chemokines |
Class A/1 (Rhodopsin-like receptors) |
G alpha (i) signalling events |
GPCR downstream signaling |
GPCR ligand binding |
Metabolism of proteins |
Peptide ligand-binding receptors |
PERK regulates gene expression |
Senescence-Associated Secretory Phenotype (SASP) |
Signal Transduction |
Signaling by GPCR |
Unfolded Protein Response (UPR) |
疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
Inflammation | 0.168904108 | 21 | 0 | CTD_human_GAD_LHGDN |
Stomach Neoplasms | 0.153138448 | 16 | 0 | CTD_human_GAD |
Mammary Neoplasms | 0.143423453 | 16 | 0 | BeFree_CTD_human_LHGDN |
Prostatic Neoplasms | 0.142880569 | 14 | 0 | BeFree_CTD_human_LHGDN |
Rheumatoid Arthritis | 0.142745035 | 58 | 0 | BeFree_CTD_human_GAD_LHGDN |
Squamous cell carcinoma | 0.141712807 | 22 | 0 | BeFree_CTD_human_GAD_LHGDN |
Adenocarcinoma | 0.140726728 | 21 | 0 | BeFree_CTD_human_GAD_LHGDN |
Chronic Obstructive Airway Disease | 0.13680699 | 22 | 0 | BeFree_CTD_human_GAD_LHGDN |
Liver carcinoma | 0.134320406 | 36 | 0 | BeFree_CTD_human_GAD_LHGDN |
Pancreatic Neoplasm | 0.131168843 | 5 | 0 | BeFree_CTD_human_LHGDN |
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