X-linked adrenoleukodystrophy phenotype is independent of ABCD2 genotype
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X-linked adrenoleukodystrophy phenotype is independent of ABCD2 genotype. / Maier, Esther M; Mayerhofer, Peter U; Asheuer, Muriel; Köhler, Wolfgang; Rothe, Martina; Muntau, Ania C; Roscher, Adelbert A; Holzinger, Andreas; Aubourg, Patrick; Berger, Johannes.
in: BIOCHEM BIOPH RES CO, Jahrgang 377, Nr. 1, 05.12.2008, S. 176-80.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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T1 - X-linked adrenoleukodystrophy phenotype is independent of ABCD2 genotype
AU - Maier, Esther M
AU - Mayerhofer, Peter U
AU - Asheuer, Muriel
AU - Köhler, Wolfgang
AU - Rothe, Martina
AU - Muntau, Ania C
AU - Roscher, Adelbert A
AU - Holzinger, Andreas
AU - Aubourg, Patrick
AU - Berger, Johannes
PY - 2008/12/5
Y1 - 2008/12/5
N2 - Strikingly variable clinical phenotypes can be found in X-linked adrenoleukodystrophy (X-ALD) even with the same ABCD1 mutation. ABCD2 is the closest homolog to ABCD1. Since ABCD2 overexpression complements the loss of ABCD1 in vivo and in vitro, we have investigated the possible role of the ABCD2 gene locus as determinant of X-ALD phenotypes. Sequence and segregation analysis of the ABCD2 gene, in a large X-ALD family with different phenotypes disclosed that the identical ABCD2 alleles were inherited in brothers affected by mild (noncerebral) versus severe (childhood cerebral) X-ALD phenotypes. Moreover, two independent association studies of ABCD2 polymorphisms and clinical phenotypes showed an even allele distribution in different X-ALD phenotypes and controls. Based on these findings ABCD2 can be excluded as a major modifier locus for clinical diversity in X-ALD. These findings are of particular importance for the attempt of pharmacological induction of ABCD2 as a possible therapeutic approach in X-ALD.
AB - Strikingly variable clinical phenotypes can be found in X-linked adrenoleukodystrophy (X-ALD) even with the same ABCD1 mutation. ABCD2 is the closest homolog to ABCD1. Since ABCD2 overexpression complements the loss of ABCD1 in vivo and in vitro, we have investigated the possible role of the ABCD2 gene locus as determinant of X-ALD phenotypes. Sequence and segregation analysis of the ABCD2 gene, in a large X-ALD family with different phenotypes disclosed that the identical ABCD2 alleles were inherited in brothers affected by mild (noncerebral) versus severe (childhood cerebral) X-ALD phenotypes. Moreover, two independent association studies of ABCD2 polymorphisms and clinical phenotypes showed an even allele distribution in different X-ALD phenotypes and controls. Based on these findings ABCD2 can be excluded as a major modifier locus for clinical diversity in X-ALD. These findings are of particular importance for the attempt of pharmacological induction of ABCD2 as a possible therapeutic approach in X-ALD.
KW - ATP-Binding Cassette Transporters
KW - Adolescent
KW - Adrenoleukodystrophy
KW - Child
KW - DNA Mutational Analysis
KW - Female
KW - Humans
KW - Male
KW - Mutation
KW - Pedigree
KW - Phenotype
KW - Polymorphism, Single Nucleotide
U2 - 10.1016/j.bbrc.2008.09.092
DO - 10.1016/j.bbrc.2008.09.092
M3 - SCORING: Journal article
C2 - 18834860
VL - 377
SP - 176
EP - 180
JO - BIOCHEM BIOPH RES CO
JF - BIOCHEM BIOPH RES CO
SN - 0006-291X
IS - 1
ER -