نتایج جستجو برای: camp signaling pathway
تعداد نتایج: 543830 فیلتر نتایج به سال:
Kinetoplastids are unicellular, eukaryotic, flagellated protozoans containing the eponymous kinetoplast. Within this order, the family of trypanosomatids are responsible for some of the most serious human diseases, including Chagas disease (Trypanosoma cruzi), sleeping sickness (Trypanosoma brucei spp.), and leishmaniasis (Leishmania spp). Although cAMP is produced during the life cycle stages ...
Cyclic AMP signals encode information required to differentially regulate a wide variety of cellular responses; yet it is not well understood how information is encrypted within these signals. An emerging concept is that compartmentalization underlies specificity within the cAMP signaling pathway. This concept is based on a series of observations indicating that cAMP levels are distinct in diff...
PURPOSE Investigate the effect of hydrostatic pressure (HP) on 3', 5'-cyclic adenosine monophosphate (cAMP) levels and downstream signaling in cultures of normal optic nerve head (ONH) astrocytes from Caucasian American (CA) and African American (AA) donors. METHODS Intracellular cAMP levels were assayed after exposing ONH astrocytes to HP for varying times. Quantitative RT-PCR was used to de...
Intracellular signal transduction pathways require a high degree of spatial and temporal resolution in order to deliver the appropriate outputs. Specific signaling mediated by the ubiquitous second messenger cAMP and its effector, the cAMP-dependent protein kinase (PKA), is governed by the spatial organization of different pathway components by A-kinase anchoring proteins (AKAPs). This review d...
The cAMP signal pathway controls various biological functions, including secondary metabolism of filamentous fungi. We found that exogenous cAMP represses the production of lovastatin, red pigments, and citrinin in Monascus. Interestingly, a mutant MK-1 with increased lovastatin and red pigments production was not influenced by cAMP on these productions, indicating that cAMP signaling might be ...
BACKGROUND The heterotrimeric Gα protein Pga1-mediated signaling pathway regulates the entire developmental program in Penicillium chrysogenum, from spore germination to the formation of conidia. In addition it participates in the regulation of penicillin biosynthesis. We aimed to advance the understanding of this key signaling pathway using a proteomics approach, a powerful tool to identify ef...
A fundamental role for protein-protein interactions in the organization of signal transduction pathways is evident. Anchoring, scaffolding and adapter proteins function to enhance the precision and directionality of these signaling events by bringing enzymes together. The cAMP signaling pathway is organized by A-kinase anchoring proteins. This family of proteins assembles enzyme complexes conta...
colorectal cancer (crc) is the second leading cause of cancer death. progress has been made in the development of chemotherapy for advanced crc. targeted therapies against vegf or egfr are now commonly used. however, many cases show that tolerance develops to such treatments; therefore, new strategies are required to replace or complement current therapies. nuclear factor-?b (nf-?b) transcripti...
The physiological effects of 5HT receptor coupling to TTX-resistant Na(+) current, and the signaling pathway involved, was studied in a nociceptor-like subpopulation of rat dorsal root ganglion (DRG) cells (type 2), which can be identified by expression of a low-threshold, slowly inactivating A-current. The 5HT-mediated increase in TTX-resistant Na(+) current in type 2 DRG cells was mimicked an...
BACKGROUND Although erythroid cells prepared from fetal liver, cord blood, or blood from β-thalassemia patients are known to express fetal hemoglobin at high levels, the underlying mechanisms remain elusive. We previously showed that cyclic nucleotides such as cAMP and cGMP induce fetal hemoglobin expression in primary erythroid cells. Here we report that cAMP signaling contributes to high-leve...
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