title: Novel beta-spectrin mutations in hereditary spherocytosis associated with decreased levels of mRNA.
abstract: Hereditary spherocytosis (HS) is one of the most frequent and heterogeneous inherited haemolytic anaemias. It is associated with abnormalities of several erythrocyte membrane proteins. We investigated relative mRNA quantification of red blood cell membrane protein genes using real-time quantitative polymerase chain reaction (qPCR) in order to better characterize HS cases and to select genes to search for mutations in patients with spherocytosis. qPCR experiments indicated that the spectrin beta gene (SPTB) could be involved in anaemia pathogenesis. DNA analysis of SPTB in the HS subjects with decreased SPTB mRNA levels revealed the presence of five previously undescribed mutations: R1756X, 781delT and IVS22nt-4G>A, 1502insA and IVS20nt-2A>G.
authors.affiliation: Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Poland.
authors.forename: Monika
authors.initials: M
authors.lastname: Maciag
authors.forename: Danuta
authors.initials: D
authors.lastname: Płochocka
authors.forename: Anna
authors.initials: A
authors.lastname: Adamowicz-Salach
authors.forename: Beata
authors.initials: B
authors.lastname: Burzyńska
mesh_terms: D000293:Adolescent; D000328:Adult; D019943:Amino Acid Substitution / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D018389:Codon, Nonsense / Q000235:genetics*; D004247:DNA / Q000235:genetics; D005260:Female; D016368:Frameshift Mutation / Q000235:genetics*; D006801:Humans; D008297:Male; D012333:RNA, Messenger / Q000378:metabolism*; D013049:Spectrin / Q000235:genetics*; D013103:Spherocytosis, Hereditary / Q000235:genetics*
chemical_list: D018389:Codon, Nonsense; D012333:RNA, Messenger; D013049:Spectrin; D004247:DNA