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1.
Malaysian Journal of Medical Sciences ; : 29-36, 2014.
Artigo em Inglês | WPRIM | ID: wpr-628248

RESUMO

Background: The aim of this study was to investigate the serum fibronectin (FN) levels and liver enzyme activities in patients with acute hepatitis (A, B, C) and chronic viral hepatitis (B, C); determine whether the virus types correlated with disease severity; and assess whether FN could be used as a marker of virus type or disease severity in patients. Methods: A total of 60 subjects were enrolled in the study, including 20 patients with acute hepatitis (A, B, C), 20 with chronic hepatitis (B, C), and 20 healthy controls. Serum fibronectin (FN), aspartate aminotransferase (AST), alanine aminotransferase (ALT), gamma-glutamyl transpeptidase (GGT), and albumin were measured in all patients from blood samples. Results: Serum FN levels were significantly lower in acute (122.9 μg/mL (SD 43.1), P < 0.001) and chronic hepatitis patients (135.7 μg/mL (SD 46.0), P < 0 .001) compared to controls 221.4 μg/mL (SD 32.5). A negative correlation was found between serum FN and AST (r2 = 0.528, P < 0.001), ALT (r2 = 0.425, P < 0.001), and GGT (r2 = 0.339, P < 0.001). Additionally, high serum GGT levels (β = –0.375, P = 0.010), and low serum albumin levels (β = –0.305, P = 0.008) were associated with low serum FN levels. Conclusion: Serum FN levels were lower in both acute and chronic hepatitis patients, and an inverse relationship between serum FN and serum AST, ALT, and GGT levels was found. A decrease in serum FN levels may indicate hepatitis severity as AST and ALT represent hepatocyte damage.


Assuntos
Fibronectinas , Hepatite , Hepatite Crônica , Cirrose Hepática
2.
Annals of Laboratory Medicine ; : 98-103, 2014.
Artigo em Inglês | WPRIM | ID: wpr-158565

RESUMO

BACKGROUND: Vitamin D deficiency and a high mean platelet volume (MPV) are related to cardiovascular disease. We investigated whether vitamin D deficiency is associated with high MPV. METHODS: This study included 434 patients without chronic disease who were not taking vitamin D or calcium supplements. Vitamin D was measured by chemiluminescent microparticle immunoassay on the Architect-I2000 system (Abbott Diagnostics, USA), and MPV was measured on the Cell-Dyn Ruby analyzer (Abbott Diagnostics). Patients were divided into Groups 1 (138 [men/women, 46/92]), 2 (148 [men/women, 54/94]), and 3 (148 [men/women, 50/98]) according to vitamin D levels of 20 ng/mL, respectively. RESULTS: The vitamin D level in Group 1 (7.7+/-1.9 ng/mL) was lower than that in Group 2 (15.1+/-1.6 ng/mL, P<0.001) and Group 3 (25.6+/-6.3 ng/mL, P<0.001). The MPV in Group 3 (7.5+/-1.0 fL) was lower than that in Group 1 (8.1+/-1.1 fL, P<0.001) and Group 2 (7.9+/-1.0 fL, P=0.009). Linear regression analysis showed that low levels of vitamin D (beta=-0.109, P=0.019) was independently associated with increased MPV. CONCLUSIONS: There was a strong association between a low vitamin D level and a high MPV; therefore, vitamin D deficiency may be associated with increased MPV.


Assuntos
Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem , Fatores Etários , Glicemia/análise , Plaquetas/citologia , Tamanho Celular , Imunoensaio , Medições Luminescentes , Vitamina D/análise , Deficiência de Vitamina D/metabolismo
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