YWHAZ(酪氨酸3-单加氧酶/色氨酸5-单加氧酶激活蛋白zeta)属于14-3-3蛋白家族,这是一个高度保守的调控蛋白家族,其成员通过结合磷酸化靶蛋白参与多种细胞过程。14-3-3蛋白家族的共性包括形成同源或异源二聚体,通过特异性识别磷酸化丝氨酸/苏氨酸基序调控底物蛋白的定位、稳定性及活性。YWHAZ作为该家族成员,主要作为分子支架或适配蛋白发挥作用,其表达产物通过与数百种客户蛋白(client proteins)相互作用参与细胞周期调控、凋亡抑制、信号转导(如PI3K/AKT、MAPK通路)及代谢调节。该基因在几乎所有组织中广泛表达,作用位点包括细胞质、线粒体及细胞核,通过调控CDC25、BAD、FOXO等关键蛋白影响细胞增殖与存活。突变可能导致其磷酸化结合能力受损,与癌症(如乳腺癌、肺癌)、神经退行性疾病及自身免疫疾病相关。过表达会增强抗凋亡效应并促进肿瘤发生,同时可能通过稳定β-连环蛋白(β-catenin)激活WNT通路;而敲低表达则导致细胞周期阻滞、增加凋亡敏感性,并可能影响神经元突触可塑性。在阿尔茨海默病中观察到YWHAZ与tau蛋白异常相互作用,在乳腺癌中其过表达与HER2阳性亚型和化疗耐药相关。该基因的调控具有剂量敏感性,表达水平微小变化即可显著影响多条信号通路的平衡,这使其成为潜在的治疗靶点但同时也增加了靶向干预的复杂性。
This gene product belongs to the 14-3-3 family of proteins which mediate signal transduction by binding to phosphoserine-containing proteins. This highly conserved protein family is found in both plants and mammals, and this protein is 99% identical to the mouse, rat and sheep orthologs. The encoded protein interacts with IRS1 protein, suggesting a role in regulating insulin sensitivity. Several transcript variants that differ in the 5' UTR but that encode the same protein have been identified for this gene. [provided by RefSeq, Oct 2008]
该基因产物属于14-3-3家族,通过结合含有磷酸丝氨酸蛋白介导的信号转导的蛋白质。此高度保守的蛋白家族在植物和哺乳动物中发现,而该蛋白质是99%相同的小鼠,大鼠和绵羊直向同源物。所编码的蛋白质与IRS1蛋白相互作用,这表明在调节胰岛素敏感性的作用。在5‘端非编码区不同,但编码相同的蛋白的几个转录变体已被确定为这个基因。 [由RefSeq的,2008年10月提供]
YWHAZ基因(以及对应的蛋白质)的细胞分布位置:
YWHAZ基因的本体(GO)信息:
名称 |
---|
4390 Hippo signaling pathway [PATH:hsa04390] |
4151 PI3K-Akt signaling pathway [PATH:hsa04151] |
4110 Cell cycle [PATH:hsa04110] |
4114 Oocyte meiosis [PATH:hsa04114] |
5203 Viral carcinogenesis [PATH:hsa05203] |
5130 Pathogenic Escherichia coli infection [PATH:hsa05130] |
5161 Hepatitis B [PATH:hsa05161] |
5169 Epstein-Barr virus infection [PATH:hsa05169] |
名称 |
---|
Activation of BAD and translocation to mitochondria |
Activation of BH3-only proteins |
Adaptive Immune System |
Apoptosis |
Cell Cycle |
Cell Cycle Checkpoints |
Chk1/Chk2(Cds1) mediated inactivation of Cyclin B:Cdk1 complex |
Cytokine Signaling in Immune system |
deactivation of the beta-catenin transactivating complex |
G2/M Checkpoints |
G2/M DNA damage checkpoint |
Gene Expression |
Generic Transcription Pathway |
GP1b-IX-V activation signalling |
Hemostasis |
Interleukin-3, 5 and GM-CSF signaling |
Intrinsic Pathway for Apoptosis |
KSRP destabilizes mRNA |
Membrane Trafficking |
Platelet activation, signaling and aggregation |
Programmed Cell Death |
Rap1 signalling |
Regulation of mRNA stability by proteins that bind AU-rich elements |
RHO GTPase Effectors |
RHO GTPases activate PKNs |
Signaling by Interleukins |
Signaling by Rho GTPases |
Signaling by Wnt |
TCF dependent signaling in response to WNT |
TP53 Regulates Metabolic Genes |
Transcriptional Regulation by TP53 |
Translocation of GLUT4 to the plasma membrane |
Vesicle-mediated transport |
疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
Neoplasm Recurrence, Local | 0.12 | 1 | 0 | CTD_human |
IGA Glomerulonephritis | 0.12 | 1 | 0 | CTD_human |
Mammary Neoplasms, Experimental | 0.12 | 1 | 0 | CTD_human |
Animal Mammary Neoplasms | 0.12 | 1 | 0 | CTD_human |
Seizures | 0.08 | 1 | 0 | RGD |
Dehydration | 0.08 | 1 | 0 | RGD |
Absence Epilepsy | 0.08 | 1 | 0 | RGD |
Hypertensive disease | 0.08 | 1 | 0 | RGD |
Alzheimer's Disease | 0.005634266 | 4 | 0 | BeFree_GAD_LHGDN |
Atherosclerosis | 0.004624443 | 8 | 0 | BeFree_LHGDN |
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