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Search: WFRF:(Flodstrom Tullberg M) > (2015-2019) > CFTR is involved in...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004067naa a2200397 4500
001oai:prod.swepub.kib.ki.se:135533562
003SwePub
008240701s2017 | |||||||||||000 ||eng|
009oai:lup.lub.lu.se:71144849-e9c3-483e-b2dc-8a443867289d
024a http://kipublications.ki.se/Default.aspx?queryparsed=id:1355335622 URI
024a https://doi.org/10.1038/s41598-017-00098-82 DOI
024a https://lup.lub.lu.se/record/71144849-e9c3-483e-b2dc-8a443867289d2 URI
040 a (SwePub)kid (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Edlund, Annau Lund University,Lunds universitet,Diabetes - öcellsexocytos,Forskargrupper vid Lunds universitet,Diabetes - Islet Cell Exocytosis,Lund University Research Groups4 aut0 (Swepub:lu)med-aeu
2451 0a CFTR is involved in the regulation of glucagon secretion in human and rodent alpha cells
264 c 2017-03-07
264 1b Springer Science and Business Media LLC,c 2017
520 a Glucagon is the main counterregulatory hormone in the body. Still, the mechanism involved in the regulation of glucagon secretion from pancreatic alpha cells remains elusive. Dysregulated glucagon secretion is common in patients with Cystic Fibrosis (CF) that develop CF related diabetes (CFRD). CF is caused by a mutation in the Cl− channel Cystic fibrosis transmembrane conductance regulator (CFTR), but whether CFTR is present in human alpha cells and regulate glucagon secretion has not been investigated in detail. Here, both human and mouse alpha cells showed CFTR protein expression, whereas CFTR was absent in somatostatin secreting delta cells. CFTR-current activity induced by cAMP was measured in single alpha cells. Glucagon secretion at different glucose levels and in the presence of forskolin was increased by CFTR-inhibition in human islets, whereas depolarization-induced glucagon secretion was unaffected. CFTR is suggested to mainly regulate the membrane potential through an intrinsic alpha cell effect, as supported by a mathematical model of alpha cell electrophysiology. In conclusion, CFTR channels are present in alpha cells and act as important negative regulators of cAMP-enhanced glucagon secretion through effects on alpha cell membrane potential. Our data support that loss-of-function mutations in CFTR contributes to dysregulated glucagon secretion in CFRD.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicinx Endokrinologi och diabetes0 (SwePub)302052 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Clinical Medicinex Endocrinology and Diabetes0 (SwePub)302052 hsv//eng
700a Pedersen, Morten Gramu University of Padova4 aut0 (Swepub:lu)med-meg
700a Lindqvist, Andreasu Lund University,Lunds universitet,Neuroendokrin cellbiologi,Forskargrupper vid Lunds universitet,Neuroendocrine Cell Biology,Lund University Research Groups4 aut0 (Swepub:lu)medk-alt
700a Wierup, Nilsu Lund University,Lunds universitet,Neuroendokrin cellbiologi,Forskargrupper vid Lunds universitet,Neuroendocrine Cell Biology,Lund University Research Groups4 aut0 (Swepub:lu)mphy-nwi
700a Flodstrom-Tullberg, Mu Karolinska Institute,Karolinska Institutet4 aut
700a Eliasson, Lenau Lund University,Lunds universitet,Diabetes - öcellsexocytos,Forskargrupper vid Lunds universitet,Diabetes - Islet Cell Exocytosis,Lund University Research Groups4 aut0 (Swepub:lu)mphy-lel
710a Diabetes - öcellsexocytosb Forskargrupper vid Lunds universitet4 org
773t Scientific reportsd : Springer Science and Business Media LLCg 7:1, s. 90-q 7:1<90-x 2045-2322
856u https://www.nature.com/articles/s41598-017-00098-8.pdf
856u http://dx.doi.org/10.1038/s41598-017-00098-8x freey FULLTEXT
8564 8u http://kipublications.ki.se/Default.aspx?queryparsed=id:135533562
8564 8u https://doi.org/10.1038/s41598-017-00098-8
8564 8u https://lup.lub.lu.se/record/71144849-e9c3-483e-b2dc-8a443867289d

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