نتایج جستجو برای: cdk5
تعداد نتایج: 1388 فیلتر نتایج به سال:
Several molecules and cellular pathways have been implicated in nociceptive signaling, but their precise molecular mechanisms have not been clearly defined. Cyclin-dependent kinase 5 (Cdk5) is a proline-directed serine/threonine kinase implicated in the development and disease of the mammalian nervous system. The precise role of this kinase in sensory pathways has not been well characterized. H...
Hyperphosphorylation of microtubule-associated protein tau is one of the major pathological events in Alzheimer's disease (AD) and other related neurodegenerative diseases, including frontotemporal dementia with parkinsonism linked to chromosome 17 (FTDP-17). Mutations in the tau gene MAPT are a cause of FTDP-17, and the mutated tau proteins are hyperphosphorylated in patient brains. Thus, it i...
Cdk5/p35 has been implicated in cytoskeletal protein phosphorylation in normal brain and in many human neurodegenerative disorders. Yet, mouse models of cdk5/p35 hyperactivity have not yielded corresponding changes in cytoskeletal protein phosphorylation. To elucidate the relationship between p35, cdk5, and the neuronal cytoskeleton, we deleted the p35 gene in mice having a pure C57BL/6 backgro...
We examined the effects of luteinizing hormone (LH), follicle-stimulating hormone (FSH), and epidermal growth factor (EGF) on the expression and kinase activity of cyclin-dependent kinase 5 (Cdk5) in Leydig TM3 and Sertoli TM4 cell lines. Hormonal regulation of the expression and activity of Cdk5 by using normal and hypophysectomized rat testes was also investigated to elucidate its role. Cdk5 ...
Here, we report that Cdk5 activation is stimulated by insulin and plays a key role in the regulation of GLUT4-mediated glucose uptake in 3T3-L1 adipocytes. Insulin activation of Cdk5 requires PI3K signaling. Insulin-activated Cdk5 phosphorylates E-Syt1, a 5 C2-domain protein-related to the synaptotagmins that is induced during adipocyte differentiation. Phosphorylated E-Syt1 associates with GLU...
Cyclin-dependent kinase 5 (cdk5) has been identified as one of the kinases that phosphorylates tau at several Alzheimer's disease (AD)-associated sites. Cdk5 is predominantly expressed in neurons, and has higher activity in AD brains than in non-demented brains. To investigate the effect of the CDK5 gene on AD, we analyzed an SNP of the CDK5 gene (rs2069456) in 347 patients with AD and in 157 c...
Transient receptor potential vanilloid 1 (TRPV1), a ligand-gated cation channel highly expressed in small-diameter sensory neurons, is activated by heat, protons, and capsaicin. The phosphorylation of TRPV1 provides a versatile regulation of intracellular calcium levels and is critical for TRPV1 function in responding to a pain stimulus. We have previously reported that cyclin-dependent kinase ...
There is an urgent need to understand the molecular mechanisms underlying epilepsy to find novel prognostic/diagnostic biomarkers to prevent epilepsy patients at risk. Cyclin-dependent kinase 5 (CDK5) is involved in multiple neuronal functions and plays a crucial role in maintaining homeostatic synaptic plasticity by regulating intracellular signalling cascades at synapses. CDK5 deregulation is...
Cyclin-dependent kinase 5 (Cdk5) is a unique member of the CDK family. It is predominantly expressed in postmitotic neurons and has been implicated in neuronal plasticity. The present study showed that Cdk5 and p35 were expressed in primary sensory and dorsal horn neurons, while p25, an N-terminal truncated derivative of p35, could only be detected in the dorsal horn neurons. Importantly, in th...
BACKGROUND/AIMS All-trans retinoic acid (ATRA), the active form of vitamin A, plays an important role in the growth arrest of numerous types of cancer cells. It has been indicated that cyclin-dependent kinase 5 (Cdk5) activity can be affected by ATRA treatment. Our previous results demonstrate the involvement of Cdk5 in the fate of prostate cancer cells. The purpose of this study is to examine ...
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