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10.1128/MCB.01068-14 http://scihub22266oqcxt.onion/10.1128/MCB.01068-14 C4372695!4372695 !25645930     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=25645930 &cmd=llinks): Failed to open stream: HTTP request failed! 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Distinct structural domains of caveolin-1 independently regulate Ca2+ release-activated Ca2+ channels and Ca2+ microdomain-dependent gene expression |pdf=|usr=}}{{25645930 }} gab.com Text Distinct structural domains of caveolin-1 independently regulate Ca2+ release-activated Ca2+ channels and Ca2+ microdomain-dependent gene expression JO: Mol Cell Biol http://www.kidney.de/pget.php?&tw=1&pmid=25645930 #FOAvip In eukaryotic cells, calcium entry across the cell surface activates nuclear gene expression, a process critically important for cell growth and differentiation, learning, and memory and immune cell functions. In immune cells, calcium entry occurs through store-operated Ca(2+) release-activated Ca(2+) (CRAC) channels, comprised of STIM1 and Orai1 proteins. Local calcium entry through CRAC channels activates expression of c-fos- and nuclear factor of activated T cells (NFAT)-dependent genes. Although c-fos and NFAT often interact to activate gene expression synergistically, they can be activated independently of one another to regulate distinct genes. This raises the question of how one transcription factor can be activated and not the other when both are stimulated by the same trigger. Here, we show that the lipid raft scaffolding protein caveolin-1 interacts with the STIM1-Orai1 complex to increase channel activity. Phosphorylation of tyrosine 14 on caveolin-1 regulates CRAC channel-evoked c-fos activation without impacting the NFAT pathway or Orai1 activity. Our results reveal that structurally distinct domains of caveolin-1 selectively regulate the ability of local calcium to activate distinct transcription factors. More generally, our findings reveal that modular regulation by a scaffolding protein provides a simple, yet effective, mechanism to tunnel a local signal down a specific pathway. Twit Text FOAVip Distinct structural domains of caveolin-1 independently regulate Ca2+ release-activated Ca2+ channels and Ca2+ microdomain-dependent gene expression ????Mol Cell Biol http://www.kidney.de/pget.php?&tw=1&pmid=25645930 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=25645930 #FOAvip English Wikipedia <ref>{{Cite pmid|25645930 }}</ref> Distinct structural domains of caveolin-1 independently regulate Ca2+ release-activated Ca2+ channels and Ca2+ microdomain-dependent gene expression #MMPMID25645930 Yeh YC ; Parekh AB Mol Cell Biol 2015[Apr]; 35 (8 ): 1341-9 PMID25645930 show ga In eukaryotic cells, calcium entry across the cell surface activates nuclear gene expression, a process critically important for cell growth and differentiation, learning, and memory and immune cell functions. In immune cells, calcium entry occurs through store-operated Ca(2+) release-activated Ca(2+) (CRAC) channels, comprised of STIM1 and Orai1 proteins. Local calcium entry through CRAC channels activates expression of c-fos- and nuclear factor of activated T cells (NFAT)-dependent genes. Although c-fos and NFAT often interact to activate gene expression synergistically, they can be activated independently of one another to regulate distinct genes. This raises the question of how one transcription factor can be activated and not the other when both are stimulated by the same trigger. Here, we show that the lipid raft scaffolding protein caveolin-1 interacts with the STIM1-Orai1 complex to increase channel activity. Phosphorylation of tyrosine 14 on caveolin-1 regulates CRAC channel-evoked c-fos activation without impacting the NFAT pathway or Orai1 activity. Our results reveal that structurally distinct domains of caveolin-1 selectively regulate the ability of local calcium to activate distinct transcription factors. More generally, our findings reveal that modular regulation by a scaffolding protein provides a simple, yet effective, mechanism to tunnel a local signal down a specific pathway. |Calcium Channels/chemistry/*metabolism [MESH] |Calcium Signaling [MESH] |Calcium/*metabolism [MESH] |Caveolin 1/chemistry/genetics/*metabolism [MESH] |Cell Line [MESH] |Down-Regulation [MESH] |Gene Expression [MESH] |HEK293 Cells [MESH] |Humans [MESH] |Membrane Proteins/chemistry/*metabolism [MESH] |Neoplasm Proteins/chemistry/*metabolism [MESH] |ORAI1 Protein [MESH] |Phosphorylation [MESH] |Protein Interaction Maps [MESH] |Protein Structure, Tertiary [MESH] |Proto-Oncogene Proteins c-fos/genetics [MESH] |STAT5 Transcription Factor/metabolism [MESH] |Stromal Interaction Molecule 1 [MESH]Distinct structural domains of caveolin-1 independently regulate Ca2+ (epmc).pdf DeepDyve Pubget Overpricing