نتایج جستجو برای: p creb
تعداد نتایج: 1275106 فیلتر نتایج به سال:
OBJECTIVE Reduced expression or defective targeting of the sodium/iodide symporter (NIS) to the cell membrane in thyroid tumours has been reported. The expression of the NIS gene is up-regulated by TSH through the cAMP pathway and the characterization of the promoter region of the rat NIS gene revealed the existence of a degenerate cAMP response element (CRE) sequence. The cAMP-dependent transc...
objective(s): the present study was aimed to investigate the influence of thoracic epidural blockade on hypoxia-induced pulmonary hypertension in rats. materials and methods: forty eight wistar rats were randomly divided into 4 equal groups, named normoxia hypoxia hypoxia/ ropivacaine and hypoxia/saline. animals were placed in a hypoxia chamber and instrumented with epidural catheters at the th...
Previous work from our group and others utilizing animal models have demonstrated long-lasting structural and functional alterations in the meso-cortico-striatal dopamine pathway following prenatal cocaine (PCOC) treatment. We have shown that PCOC treatment results in augmented D1-induced cyclic AMP (cAMP) and cocaine-induced immediate-early gene expression in the striatum of adult mice. In thi...
Training in step-down inhibitory avoidance (0.3-mA footshock) is followed by biochemical changes in rat hippocampus that strongly suggest an involvement of quantitative changes in glutamate AMPA receptors, followed by changes in the dopamine D1 receptor/cAMP/ protein kinase A (PKA)/CREB-P signalling pathway in memory consolidation. AMPA binding to its receptor and levels of the AMPA receptor-sp...
The mechanisms through which estradiol (E2) regulates gonadotropin-releasing hormone (GnRH) neurons to control fertility are unclear. Previous studies have demonstrated that E2 rapidly phosphorylates cAMP response element-binding protein (CREB) in GnRH neurons in vivo. In the present study, we used GnRH neuron-specific CREB-deleted mutant mice [GnRH-CREB knock-outs (KOs)] with and without globa...
BACKGROUND AND PURPOSE The cAMP response element binding protein (CREB) plays an important role in the mechanism of cognitive impairment and is also pivotal in the switch from short-term to long-term memory. Brain-derived neurotrophic factor (BDNF) seems a promising avenue in the treatment of cerebral ischemia injury since this neurotrophin could stimulate structural plasticity and repair cogni...
• IF 1 regulates MCU-dependent mitochondrial Ca 2+ uptake. loss induces MCU upregulation through activation of the AMPK/CREB pathway. OMA1 depletion restores physiological levels and entry.
We aimed to investigate the effects of Xylaria nigripes (XN) extracts on the rapid eye movement sleep deprivation (REMSD)-induced memory impairment, and explore related mechanism. Male Sprague Dawley rats were randomly divided into 6 groups: cage control (CC)-NaCl group; tank control (TC)-NaCl group; sleep deprivation (SD)-NaCl group; CC-XN group; TC-XN group and SD-XN group. The rats were admi...
Reports show that, while the mechanism remains unknown, salvianolate lyophilized injection (SLI) improves functional recovery after stroke in diabetic rats. In this study, we investigated the mechanism and effect of SLI on stroke outcome in type 1 diabetic (T1DM) rats. T1DM were induced in adult male Wistar rats by injecting streptozotocin. T1DM rats were then subjected to 90 minutes of middle ...
Objective(s): Cyclic AMP (adenosine monophosphate) response element-binding protein (CREB) and Brain-derived neurotrophic factor (BDNF) are reported to broadly involve in learning capacity and memory. BDNF exerts its functions via tropomyosin receptor kinase B (TrkB). BDNF transcription is regulated by stimulating CREB phosphorylation. The CREB-TrkB-BDNF pathway is rep...
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