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001-es BibID:	BIBFORM007079
Első szerző:	Rass Péter
Cím:	Vitamin D receptor gene polymorphism in rheumatoid arthritis and associated osteoporosis / Rass, P., Pakozdi, A., Lakatos, P., Zilahi, E., Sipka, S., Szegedi, G., Szekanecz, Z.
Dátum:	2006
ISSN:	0172-8172
Megjegyzések:	Rheumatoid arthritis (RA) is commonly associated with decreased bone mineral density (BMD) due to numerous factors. BsmI polymorphism of the vitamin D receptor (VDR) gene has been implicated in the pathogenesis of osteoporosis. Vitamin D has several immunomodulatory effects and thus may play a role in the course of arthritis. However, little data is available on the possible relationship between RA and VDR gene polymorphisms. In this study, the frequency of BsmI polymorphism genotypes were compared with that found in other countries. In this study, 64 RA patients and 40 healthy controls were tested for VDR gene BsmI polymorphism genotypes. Frequencies of B and b alleles were associated with markers of bone metabolism and RA. Among control subjects, the frequency of the BB genotype is relatively high (27.5%). In RA with secondary osteopenia/osteoporosis the BB genotype was more rare, the bb was more common than in control subjects. Markers of bone metabolism were associated with the B allele. RA patients carrying the B allele had lower BMD and increased bone loss over 1 year. The B allele was also correlated with increased osteoclast and osteoblast function, as determined by the assessment of biochemical markers of bone metabolism. Rheumatoid factor titer, which is an independent marker for disease progression in RA, was higher in bb patients. Our data suggest, that the imbalance in B and b allele expression may be involved in the pathogenesis of RA-associated osteoporosis. The possible involvement of vitamin D and VDR gene polymorphisms in the development and progression of RA needs further elucidation.
Tárgyszavak:	Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban Adult Aged Alleles Arthritis, Rheumatoid Bone Density Deoxyribonucleases, Type II Site-Specific Female Genetic Markers Genetic Predisposition to Disease Genotype Humans Hungary Male Middle Aged Osteoporosis Polymorphism, Genetic Postmenopause Receptors, Calcitriol
Megjelenés:	Rheumatology International. - 26 : 11 (2006), p. 964-971. -
További szerzők:	Pákozdi Angéla Lakatos Péter Zilahi Erika (1964-) (molekuláris biológus) Sipka Sándor (1945-) (laboratóriumi szakorvos) Szegedi Gyula (1936-2013) (belgyógyász, immunológus) Szekanecz Zoltán (1964-) (reumatológus, belgyógyász, immunológus)
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