Article
The monovalent cation leak in overhydrated stomatocytic red blood cells results from amino acid substitutions in the Rh-associated glycoprotein.
Blood - 5 Feb 2009
Bruce Lesley J, Guizouarn Hélène, Burton Nicholas M, Gabillat Nicole, Poole Joyce, Flatt Joanna F, Brady R Leo, Borgese Franck, Delaunay Jean, Stewart Gordon W
Abstract excerpt
Overhydrated hereditary stomatocytosis (OHSt) is a rare dominantly inherited hemolytic anemia characterized by a profuse membrane leak to monovalent cations. Here, we show that OHSt red cell membranes contain slightly reduced amounts of Rh-associated glycoprotein (RhAG), a putative gas channel protein. DNA analysis revealed that the OHSt patients have 1 of 2 heterozygous mutations (t182g, t194c) in RHAG that lead...
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