FOS基因是一种早期即刻反应基因,属于FOS基因家族(包括FOS、FOSB、FOSL1和FOSL2),该家族成员编码亮氨酸拉链转录因子,通常与JUN家族蛋白形成异源二聚体AP-1(激活蛋白-1)复合物,参与调控细胞增殖、分化、凋亡和应激反应等过程。FOS蛋白作为转录因子,通过结合DNA特定序列调控下游靶基因表达,在细胞对外界刺激(如生长因子、细胞因子、紫外线或氧化应激)的快速响应中起核心作用。FOS基因的突变可能导致其功能异常,例如丧失DNA结合能力或无法与JUN蛋白形成复合物,进而影响细胞周期调控和应激反应,与多种疾病相关,包括癌症(如骨肉瘤、乳腺癌)、神经退行性疾病和心血管疾病。FOS过表达会异常激活AP-1依赖的基因转录,促进细胞增殖和转化,增加肿瘤发生风险;而敲除或低表达FOS可能导致发育缺陷、免疫功能异常或对氧化应激的敏感性增加。FOS基因家族成员的共性是均含有保守的亮氨酸拉链结构域,能够形成二聚体并结合DNA,但各成员在不同组织和应激条件下的表达模式及功能存在差异。例如,FOSL1(FRA-1)在侵袭性癌症中高表达,而FOSB的剪接变体ΔFOSB与成瘾行为相关。FOS的调控异常还与炎症性疾病和骨代谢紊乱(如骨质疏松)有关,因其参与破骨细胞分化和炎症因子(如IL-6、TNF-α)的转录调控。在神经系统,FOS的瞬时表达被广泛用作神经元激活的标志物,反映神经环路的活动变化。
The Fos gene family consists of 4 members: FOS, FOSB, FOSL1, and FOSL2. These genes encode leucine zipper proteins that can dimerize with proteins of the JUN family, thereby forming the transcription factor complex AP-1. As such, the FOS proteins have been implicated as regulators of cell proliferation, differentiation, and transformation. In some cases, expression of the FOS gene has also been associated with apoptotic cell death. [provided by RefSeq, Jul 2008]
果寡糖基因家族由4名成员:FOS,FOSB,FOSL1和FOSL2。这些基因编码亮氨酸拉链蛋白可与君家的蛋白质二聚化,由此形成的转录因子复合的AP-1。因此,FOS蛋白质有牵连的细胞增殖,分化和转型的监管。在一些情况下,FOS基因的表达也与细胞凋亡相关联。 [由RefSeq的,2008年7月提供]
FOS基因(以及对应的蛋白质)的细胞分布位置:
FOS基因的本体(GO)信息:
名称 |
---|
4010 MAPK signaling pathway [PATH:hsa04010] |
4668 TNF signaling pathway [PATH:hsa04668] |
4024 cAMP signaling pathway [PATH:hsa04024] |
4620 Toll-like receptor signaling pathway [PATH:hsa04620] |
4660 T cell receptor signaling pathway [PATH:hsa04660] |
4662 B cell receptor signaling pathway [PATH:hsa04662] |
4915 Estrogen signaling pathway [PATH:hsa04915] |
4917 Prolactin signaling pathway [PATH:hsa04917] |
4921 Oxytocin signaling pathway [PATH:hsa04921] |
4725 Cholinergic synapse [PATH:hsa04725] |
4728 Dopaminergic synapse [PATH:hsa04728] |
4380 Osteoclast differentiation [PATH:hsa04380] |
4713 Circadian entrainment [PATH:hsa04713] |
5200 Pathways in cancer [PATH:hsa05200] |
5231 Choline metabolism in cancer [PATH:hsa05231] |
5210 Colorectal cancer [PATH:hsa05210] |
5323 Rheumatoid arthritis [PATH:hsa05323] |
5031 Amphetamine addiction [PATH:hsa05031] |
5132 Salmonella infection [PATH:hsa05132] |
5133 Pertussis [PATH:hsa05133] |
5166 HTLV-I infection [PATH:hsa05166] |
5161 Hepatitis B [PATH:hsa05161] |
5168 Herpes simplex infection [PATH:hsa05168] |
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 |
Senescence-Associated Secretory Phenotype (SASP) |
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 |
Hypertensive disease | 0.200271442 | 3 | 0 | BeFree_CTD_human_RGD |
Reperfusion Injury | 0.2 | 2 | 0 | CTD_human_RGD |
Liver carcinoma | 0.126253095 | 14 | 0 | BeFree_CTD_human_LHGDN |
Mammary Neoplasms | 0.123538676 | 5 | 0 | BeFree_CTD_human_LHGDN |
Endometriosis | 0.122995792 | 3 | 0 | BeFree_CTD_human_LHGDN |
Anxiety Disorders | 0.120271442 | 2 | 0 | BeFree_CTD_human |
Hyperactive behavior | 0.12 | 1 | 0 | CTD_human |
Lipoatrophic Diabetes Mellitus | 0.12 | 0 | 0 | ORPHANET |
Status Epilepticus | 0.12 | 4 | 0 | CTD_human |
Lung Neoplasms | 0.12 | 1 | 0 | CTD_human |
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