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Doctoral Thesis
DOI
https://doi.org/10.11606/T.5.2006.tde-31052006-161424
Document
Author
Full name
Cristiane Bitencourt Dias
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2006
Supervisor
Committee
Woronik, Viktoria (President)
Alves, Maria Almerinda Vieira Fernandes Ribeiro
Burdmann, Emmanuel de Almeida
Castro, Maria Cristina Ribeiro de
Dantas, Marcio
Title in Portuguese
"Doença óssea em glomerulopatia primária"
Keywords in Portuguese
Biópsia
Calcifediol
Cultura de células
Doenças ósseas
Fosfatase alcalina
Hormônio paratireóideo
Proteinúria
Síndrome nefrótica
Vitamina D
Abstract in Portuguese
O objetivo deste estudo foi analisar o metabolismo ósseo de pacientes com proteinúria glomerular sem uso prévio de drogas que afetassem esse metabolismo. Dezessete pacientes foram estudados com biópsia óssea para análise histomorfométrica e fragmentos ósseos foram obtidos para cultura de célula (n=13) na qual nós avaliamos proliferação de osteoblasto. A comparação dos achados histomorfométricos a controles de literatura demonstrou uma diminuição da remodelação óssea e comprometimento de sua microarquitetura. Corroborando com esse resultado houve diminuição da proliferação dos osteoblastos dos pacientes quando comparados a controles (n=5) doadores de órgãos. Análise bioquímica revelou correlação negativa da 25(OH)D3 com a proteinúria e positiva com a proliferação dos osteoblastos em cultura
Title in English
Bone disease in primary glomerulophaty
Keywords in English
Alkaline phosphatase
Biopsy
Bone diseases
Calcifediol
Cell culture
Nephrotic syndrome
Parathyroid hormone
Proteinuria
Vitamin D
Abstract in English
The objective of this study was to analyze bone metabolism in proteinuria glomerular patients not having previously used drugs affecting bone metabolism. Seventeen patients were studied with histomorphometric analysis of bone biopsies and bone fragments were obtained for cell culture (n = 13), in which we evaluated osteoblastic proliferation. Comparing patients to controls of literature indicate reduced bone remodeling and altered bone microarchitecture. In corroboration, mean osteoblast proliferation was lower in patient samples when compared with those for normal osteoblasts obtained from age-matched, gender-matched donor organs (n = 5). Concentrations of 25-hydroxyvitamin-D3 correlated negatively with proteinuria and positively with osteoblast proliferation in culture
 
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Publishing Date
2006-06-08
 
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