نتایج جستجو برای: camp signaling pathway

تعداد نتایج: 543830  

Journal: :Journal of immunology 2003
Antoine Gross Monsif Bouaboula Pierre Casellas Jean-Pierre Liautard Jacques Dornand

Brucella spp. are intramacrophage pathogens that induce chronic infections in a wide range of mammals, including domestic animals and humans. Therefore, the macrophage response to infection has important consequences for both the survival of phagocytosed bacteria and the further development of host immunity. However, very little is known about the macrophage cell signaling pathways initiated up...

Journal: :Molecular and cellular biology 2006
C W Gourlay K R Ayscough

Recent research has revealed a conserved role for the actin cytoskeleton in the regulation of aging and apoptosis among eukaryotes. Here we show that the stabilization of the actin cytoskeleton caused by deletion of Sla1p or End3p leads to hyperactivation of the Ras signaling pathway. The consequent rise in cyclic AMP (cAMP) levels leads to the loss of mitochondrial membrane potential, accumula...

Journal: :Cell 1990
M Boshart F Weih A Schmidt R E Fournier G Schütz

Tyrosine aminotransferase (TAT) gene expression is liver specific and inducible by glucocorticoids and via the cAMP signaling pathway. In fibroblasts and other nonliver cells the gene is subject to negative control by the trans-dominant tissue-specific extinguisher locus Tse-1. We identified a hepatocyte-specific enhancer that is repressed by Tse-1. Two distinct sequence motifs are absolutely e...

ژورنال: تولیدات دامی 2020

هدف از این پژوهش، بررسی صفت تعداد نتاج در هر زایش میش به‌عنوان یک صفت تولید‌مثلی مهم بود. بدین منظور از رکوردهای فنوتیپی هفت نژاد گوسفند وادی، هوی، ایسلندی، فین‌شیپ و رومانوف با باروری بالا و نژادهای تکسل و راهمنی با باروری پایین، برای مطالعه پویش ژنومی بر پایه آنالیز غنی‌سازی به منظور شناسایی مکانیسم‌‌های زیستی استفاده شد. ارزیابی پویش کل ژنومی در بسته GenABEL برنامه R انجام شد. آنالیز غنی‌ساز...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2004
Weihong Lin Julie Arellano Burton Slotnick Diego Restrepo

It is believed that odor transduction in the mammalian main olfactory system only involves the cAMP-signaling pathway. Here, we report on odor responsiveness in mice with a disrupted cyclic nucleotide-gated (CNG) channel subunit A2. Several odorants, including putative pheromones, can be detected and discriminated by these mice behaviorally. These odors elicit responses in the olfactory epithel...

Journal: :Molecular biology of the cell 2008
Ana Sofia Rocha Sabine Paternot Katia Coulonval Jacques E Dumont Paula Soares Pierre P Roger

How cyclic AMP (cAMP) could positively or negatively regulate G1 phase progression in different cell types or in cancer cells versus normal differentiated counterparts has remained an intriguing question for decades. At variance with the cAMP-dependent mitogenesis of normal thyroid epithelial cells, we show here that cAMP and cAMP-dependent protein kinase activation inhibit S-phase entry in fou...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2007
Bruce T Hope Deepti Nagarkar Sherry Leonard Roy A Wise

Repeated injections of cocaine and morphine in laboratory rats cause a variety of molecular neuroadaptations in the cAMP signaling pathway in nucleus accumbens and ventral tegmental area. Here we report similar neuroadaptations in postmortem tissue from the brains of human smokers and former smokers. Activity levels of two major components of cAMP signaling, cAMP-dependent protein kinase A (PKA...

2016
Vanessa L. Wehbi Kjetil Taskén

The cyclic AMP/protein kinase A (cAMP/PKA) pathway is one of the most common and versatile signal pathways in eukaryotic cells. A-kinase anchoring proteins (AKAPs) target PKA to specific substrates and distinct subcellular compartments providing spatial and temporal specificity for mediation of biological effects channeled through the cAMP/PKA pathway. In the immune system, cAMP is a potent neg...

Journal: :Journal of molecular endocrinology 2016
Haihua Yang Linghai Yang

In mammals, cyclic adenosine monophosphate (cAMP) is an intracellular second messenger that is usually elicited by binding of hormones and neurotransmitters to G protein-coupled receptors (GPCRs). cAMP exerts many of its physiological effects by activating cAMP-dependent protein kinase (PKA), which in turn phosphorylates and regulates the functions of downstream protein targets including ion ch...

2015
Chun Li Naoki Hisamoto Kunihiro Matsumoto Kaveh Ashrafi

The ability of specific neurons to regenerate their axons after injury is governed by cell-intrinsic regeneration pathways. In Caenorhabditis elegans, the JNK and p38 MAPK pathways are important for axon regeneration. Axonal injury induces expression of the svh-2 gene encoding a receptor tyrosine kinase, stimulation of which by the SVH-1 growth factor leads to activation of the JNK pathway. Her...

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