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J Clin Neurosci ; 21(9): 1606-11, 2014 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-24913933

RESUMO

One of the presumed pathological mechanisms of multiple sclerosis (MS) is the failure of apoptosis of autoreactive T lymphocytes. This study aimed to determine the relationship of the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) mRNA gene expression ratio and serum TRAIL levels with MS and brain atrophy. This study was conducted on 53 relapsing-remitting Egyptian MS patients and 25 matched healthy volunteers. The expression of TRAIL in peripheral blood lymphocytes was analyzed by reverse transcription polymerase chain reaction, serum levels of soluble TRAIL (sTRAIL) were determined by enzyme-linked immunosorbent assay and brain MRI measured "black holes" and the bicaudate ratio as a measure of brain atrophy in all patients. The serum TRAIL level was lower in MS patients compared to controls but no difference was seen in the TRAIL mRNA gene expression ratio. No significant correlation was detected between the serum TRAIL level and the TRAIL mRNA expression ratio in either group. No statistically significant correlation was found between serum TRAIL levels or the TRAIL mRNA expression ratio with the number of black holes or the bicaudate ratio on MRI. Apoptosis of T lymphocytes is decreased in MS patients, which could be useful when designing treatments. There was no difference in the TRAIL mRNA gene expression ratio between MS patients and controls.


Assuntos
Encéfalo/patologia , Esclerose Múltipla Recidivante-Remitente/metabolismo , Esclerose Múltipla Recidivante-Remitente/patologia , Ligante Indutor de Apoptose Relacionado a TNF/metabolismo , Adulto , Atrofia , Estudos de Casos e Controles , Egito , Ensaio de Imunoadsorção Enzimática , Feminino , Expressão Gênica , Humanos , Linfócitos/metabolismo , Imageamento por Ressonância Magnética , Masculino , RNA Mensageiro/metabolismo , Reação em Cadeia da Polimerase Via Transcriptase Reversa
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