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Titolo:
Linkage of a gene for familial hypobetalipoproteinemia to chromosome 3p21.1-22
Autore:
Yuan, B; Neuman, R; Duan, SH; Weber, JL; Kwok, PY; Saccone, NL; Wu, JS; Liu, KY; Schonfeld, G;
Indirizzi:
Washington Univ, Sch Med, Dept Internal Med, St Louis, MO 63110 USA Washington Univ St Louis MO USA 63110 nternal Med, St Louis, MO 63110 USA Marshfield Med Res Fdn, Ctr Med Genet, Marshfield, WI 54449 USA MarshfieldMed Res Fdn Marshfield WI USA 54449 , Marshfield, WI 54449 USA
Titolo Testata:
AMERICAN JOURNAL OF HUMAN GENETICS
fascicolo: 5, volume: 66, anno: 2000,
pagine: 1699 - 1704
SICI:
0002-9297(200005)66:5<1699:LOAGFF>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
APOLIPOPROTEIN-B GENE; APO-B; HETEROZYGOUS HYPOBETALIPOPROTEINEMIA; FATTY LIVER; MUTATIONS; CHOLESTEROL; PEDIGREES; FORM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Schonfeld, G Washington Univ, Sch Med, Dept Internal Med, Campus Box 8046,660 S Euclid Ave, St Louis, MO 63110 USA Washington Univ Campus Box 8046,660 S Euclid Ave St Louis MO USA 63110
Citazione:
B. Yuan et al., "Linkage of a gene for familial hypobetalipoproteinemia to chromosome 3p21.1-22", AM J HU GEN, 66(5), 2000, pp. 1699-1704

Abstract

Familial hypobetalipoproteinemia (FHBL) is an apparently autosomal dominant disorder of lipid metabolism characterized by less than fifth percentile age- and sex-specific levels of apolipoprotein beta (apo beta) and low-density lipoprotein-cholesterol. In a minority of cases, FHBL is due to truncation-producing mutations in the apo beta gene on chromosome 2p23-24. Previously, we reported on a four-generation FHBL kindred in which we had ruled out linkage of the trait to the apo beta gene. To locate other loci containing genes for low apo beta levels in the kindred, a genomewide search was conducted. Regions on 3p21.1-22 with two-point LOD scores >1.5 were identified. Additional markers were typed in the region of these signals. Two-point LOD scores in the region of D3S2407 increased to 3.35 at empty set = 0. GENEHUNTER confirmed this finding with an nonparametric multipoint LOD score of7.5 (P = .0004). Additional model-free analyses were conducted with the square root of the apoa level as the phenotype. Results from the Loki and SOLAR programs further confirmed linkage of FHBL to 3p21.1-22. Weaker linkage to a region near D19S916 was also indicated by Loki and SOLAR. Thus, a heretofore unidentified genetic susceptibility locus for FHBL may reside on chromosome 3.

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Documento generato il 01/04/20 alle ore 01:11:10