نتایج جستجو برای: pc12
تعداد نتایج: 5407 فیلتر نتایج به سال:
A neuritogenic monoglyceride, 1-O-(myristoyl) glycerol (MG), was isolated from the head of Ilisha elongate using a PC12 cell bioassay system, and its chemical structure was elucidated using spectroscopic methods. MG significantly induced 42% of the neurite outgrowth of PC12 cells at a concentration of 10 μM. To study the structure-activity relationships of MG, a series of monoglycerides was des...
Neurotrophin (NT)-driven differentiation is a process involving activation of multiple signalling events. Treatment of PC12 cells with the prototypic NT nerve growth factor (NGF) induces PC12 cell differentiation characterized by neurite outgrowth and expression of differentiation genes. Cyclic AMP (cAMP), one of the second messengers of NGF stimulation, has also been observed to induce neurona...
Aims To explicit cell apoptosis trend in PC12 oxygen-glucose-serum deprivation/restoration (OGSD/R) model and provide experimental bases for neural cell simulation in ischemia reperfusion injury in vitro. Methods OGSD/R model was constructed using the passage PC12 cells in vitro. The profile of cell apoptosis was estimated by DAPI staining, Annexin V-FITC and terminal deoxynucleotidyl transfe...
The binding of neurotrophins to tropomyosin receptor kinase receptors initiates several signaling pathways, including the activation of phospholipase C-γ, which promotes the release of diacylglycerol and inositol 1,4,5-trisphosphate (IP(3)). In addition to recycling back to inositol, IP(3) serves as a precursor for the synthesis of higher phosphorylated inositols, such as inositol 1,3,4,5,6-pen...
We have previously reported that phosphorylation of adenylyl cyclase type VI (AC6) may result in the suppression of adenylyl cyclase activity during desensitization of the A2a-adenosine receptor-mediated cAMP response (A2a desensitization) in rat pheochromocytoma PC12 cells. In the present study, we demonstrate that protein kinase C (PKC) is responsible for the phosphorylation and inhibition of...
Cell epigenomics depends on the marks released by transcription factors operating via the assembly of complexes that induce focal changes of DNA and histone structure. Among these factors is REST, a repressor that, via its strong decrease, governs both neuronal and neural cell differentiation and specificity. REST operation on thousands of possible genes can occur directly or via indirect mecha...
Chemical messengers such as neurotransmitters play an important role in cell communication, differentiation, and survival. We have designed and synthesized a bioactive biomaterial that derived its biological activity from dopamine. The resultant biodegradable polymer, PCD, has pendent groups bearing dopamine functionalities. Image analysis demonstrated that nerve growth factor-primed rat pheoch...
Atypical PKC (aPKC) plays a role in establishing cell polarity and has been indicated in neuronal differentiation and polarization, including neurite formation in rat pheochromocytoma PC12 cells, albeit by unclear mechanisms. Here, the role of the aPKC isoform, PKC iota (PKCι), in the early neuronal differentiation of PC12 cells was investigated. NGF-treated PC12 cells with stably expressed exo...
Vascular endothelial cells (ECs) seeded sparsely on extracellular matrix (ECM) will proliferate in the absence of exogenous basic fibroblast growth factor (bFGF). This ECM will also stimulate neurite outgrowth in PC12 cells in the absence of exogenous growth factors. We have previously shown that bFGF is found in subendothelial ECM (Vlodavsky, I., J. Folkman, R. Sullivan, R. Fridman, R. Ishai-M...
We investigated the role of Rsk proteins in the nerve growth factor (NGF) signaling pathway in PC12 cells. When rat Rsk1 or murine Rsk2 proteins were transiently expressed, NGF treatment (100 ng/ml for 3 days) caused threeand fivefold increases in Rsk1 and Rsk2 activities, respectively. Increased activation of both wild-type Rsk proteins could be achieved by coexpression of a constitutively act...
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