CAMK2D(钙/钙调素依赖性蛋白激酶IIδ)是钙/钙调素依赖性蛋白激酶II(CaMKII)家族的重要成员,属于丝氨酸/苏氨酸蛋白激酶。该基因家族(CaMKII)以钙离子(Ca²⁺)和钙调素(Calmodulin)作为激活信号,通过磷酸化靶蛋白参与多种细胞过程。CAMK2D主要在心脏、大脑和骨骼肌中高表达,其核心功能是调控钙信号通路,参与心肌收缩、神经元突触可塑性(指神经元根据活动强度调整连接强度的能力)以及糖原代谢等过程。该基因的突变可能导致异常磷酸化,引发心律失常(如心房颤动)、心肌肥厚或神经系统疾病(如阿尔茨海默病)。CAMK2D过表达会持续激活下游信号(如HDAC4磷酸化),促进病理性心肌肥厚;而表达降低则可能损害心脏应激反应和认知功能。在基因家族共性上,CaMKII成员均由催化域、调节域和结合域组成,通过自身磷酸化(autophosphorylation)维持长期活性,且能形成六聚体或十二聚体结构发挥功能。目前研究发现,CAMK2D与糖尿病、癌症转移也存在关联,其异常表达可能通过NF-κB等通路影响炎症反应和细胞迁移。
The product of this gene belongs to the serine/threonine protein kinase family and to the Ca(2+)/calmodulin-dependent protein kinase subfamily. Calcium signaling is crucial for several aspects of plasticity at glutamatergic synapses. In mammalian cells, the enzyme is composed of four different chains: alpha, beta, gamma, and delta. The product of this gene is a delta chain. Alternative splicing results in multiple transcript variants encoding distinct isoforms. Distinct isoforms of this chain have different expression patterns.[provided by RefSeq, Nov 2008]
该基因的产物属于丝氨酸/苏氨酸蛋白激酶家族和对钙(2 +)/钙调蛋白依赖性蛋白激酶亚家族。钙信号是用于在谷氨酸突触可塑性的几个方面是至关重要的。在哺乳动物细胞中,所述酶是由四个不同的链:α,β,γ,和delta。这个基因的产物是一个增量链。在多个转录剪接变异体结果不同编码的亚型。这条产业链的不同亚型有不同的表达模式。[由RefSeq的,2008年11月提供]
CAMK2D基因(以及对应的蛋白质)的细胞分布位置:
CAMK2D基因的本体(GO)信息:
| 名称 |
|---|
| 4012 ErbB signaling pathway [PATH:hsa04012] |
| 4310 Wnt signaling pathway [PATH:hsa04310] |
| 4066 HIF-1 signaling pathway [PATH:hsa04066] |
| 4020 Calcium signaling pathway [PATH:hsa04020] |
| 4024 cAMP signaling pathway [PATH:hsa04024] |
| 4114 Oocyte meiosis [PATH:hsa04114] |
| 4911 Insulin secretion [PATH:hsa04911] |
| 4922 Glucagon signaling pathway [PATH:hsa04922] |
| 4912 GnRH signaling pathway [PATH:hsa04912] |
| 4921 Oxytocin signaling pathway [PATH:hsa04921] |
| 4916 Melanogenesis [PATH:hsa04916] |
| 4261 Adrenergic signaling in cardiomyocytes [PATH:hsa04261] |
| 4971 Gastric acid secretion [PATH:hsa04971] |
| 4725 Cholinergic synapse [PATH:hsa04725] |
| 4728 Dopaminergic synapse [PATH:hsa04728] |
| 4720 Long-term potentiation [PATH:hsa04720] |
| 4722 Neurotrophin signaling pathway [PATH:hsa04722] |
| 4740 Olfactory transduction [PATH:hsa04740] |
| 4750 Inflammatory mediator regulation of TRP channels [PATH:hsa04750] |
| 4713 Circadian entrainment [PATH:hsa04713] |
| 5205 Proteoglycans in cancer [PATH:hsa05205] |
| 5214 Glioma [PATH:hsa05214] |
| 5031 Amphetamine addiction [PATH:hsa05031] |
| 5152 Tuberculosis [PATH:hsa05152] |
| 名称 |
|---|
| Activation of NMDA receptor upon glutamate binding and postsynaptic events |
| Cellular response to heat stress |
| Cellular responses to stress |
| CREB phosphorylation through the activation of CaMKII |
| CREB phosphorylation through the activation of Ras |
| Cytokine Signaling in Immune system |
| Glutamate Binding, Activation of AMPA Receptors and Synaptic Plasticity |
| HSF1-dependent transactivation |
| Immune System |
| Interferon gamma signaling |
| Interferon Signaling |
| Neuronal System |
| Neurotransmitter Receptor Binding And Downstream Transmission In The Postsynaptic Cell |
| Post NMDA receptor activation events |
| Ras activation uopn Ca2+ infux through NMDA receptor |
| Trafficking of AMPA receptors |
| Transmission across Chemical Synapses |
| Unblocking of NMDA receptor, glutamate binding and activation |
| 疾病名称 | 关系值 | NofPmids | NofSnps | 来源 |
| Non-Small Cell Lung Carcinoma | 0.120271442 | 1 | 1 | BeFree_GWASCAT |
| Chronic Lymphocytic Leukemia | 0.12 | 1 | 1 | GWASCAT |
| Myocardial Ischemia | 0.12 | 1 | 0 | CTD_human |
| Polycystic Ovary Syndrome | 0.12 | 1 | 0 | CTD_human |
| Seizures | 0.08 | 1 | 0 | RGD |
| Cardiomegaly | 0.00272435 | 1 | 0 | LHGDN |
| Heart failure | 0.00272435 | 1 | 0 | LHGDN |
| Tobacco Use Disorder | 0.002367032 | 1 | 0 | GAD |
| Alcoholic Intoxication, Chronic | 0.002367032 | 1 | 0 | GAD |
| Mucocutaneous Lymph Node Syndrome | 0.002367032 | 1 | 0 | GAD |
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