ArticlePflugers Archiv : European journal of physiology2009
HCO 3--dependent volume regulation in alpha-cells of the rat endocrine pancreas.
Article in Pflugers Archiv : European journal of physiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 2 citations in OpenAlex.
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3 authors at 1 institution in 1 country.
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Abstract
Ion transport activity in pancreatic alpha-cells was assessed by studying cell volume regulation in response to anisotonic solutions. Cell volume was measured by a video imaging method, and cells were superfused with either 4-(2-hydroxyethyl)piperazine-1-ethanesulfonic acid-buffered or HCO(3)(-) -buffered solutions. alpha-Cells did not exhibit a regulatory volume increase (RVI) in response to cell shrinkage caused by hypertonic solutions. A RVI was observed, however, in cells that had first undergone a regulatory volume decrease (RVD), but only in HCO(3)(-)-buffered solutions. RVI was also observed in response to a HCO(3)(-) -buffered hypertonic solution in which the glucose concentration was increased from 4 to 20 mM. The post-RVD RVI and the glucose-induced RVI were both inhibited by 10 microM 5-(N-methyl-N-isobutyl) amiloride or 100 microM 2,2'-(1,2-ethenediyl) bis (5-isothio-cyanatobenzenesulfonic acid), but not by 10 microM benzamil nor 10 microM bumetanide. These data suggest that Na(+)-H(+) exchangers and Cl(-)-HCO(3)(-) exchangers contribute to volume regulation in alpha-cells.
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