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The relationship of expression of zinc, matrix metalloproteinases-9 and collagen Ⅳ levels and premature rupture of membranes at term / 中国综合临床
Clinical Medicine of China ; (12): 817-819, 2014.
Artigo em Chinês | WPRIM | ID: wpr-455560
ABSTRACT
Objective To investigate the changes of zinc in maternal plasma and MMP-9,collagen Ⅳ levels in serum and matrix metalloproteinases-9 (MMP-9) level in amniotic fluid in patients with premature rupture of membranes at term(TPROM).Methods Thirty cases who were diagnosed as PROM at term during Nov.2012 to Mar.2013 were enrolled as case group,and 30 cases delivered during the same time without PROM were enrolled as control group.Maternal blood and ammiotic fluid were collected from all the cases.The level of zinc in maternal plasma was measured by atomic absorption method and the levels of MMP-9 in serum and amniotic fluid were detected by enzyme linked immunosorbent assay(ELISA),while the level of collagen Ⅳ in serum was measured by up-conversion luminescence method.The relationship among them was analyzed.Results Compared to control group,there were statistically significant difference between TPROM and control groups in terms of the level of zinc,collagen Ⅳ,MMP-9 in serum and MMP-9 in amniotic fluid (zinc(109.10 ± 16.07) μmol/L vs.(90.54 ± 10.99) μmol/L; t =-5.22,P < 0.001 ; collagen Ⅳ(56.86 ±41.26) μg/L vs.(88.61 ±44.87) μg/L;t =2.852,P =0.006;MMP-9 in serum(1 463.25 ±483.6) μg/L vs.(1 196.9 ± 357.43) μg/L,t =-2.426,P =0.018 ; MMP-9 in amniotic fluid(125.48 ± 67.18) μg/L vs.(72.64 ± 60.74) μg/L,t =-2.873,P =0.006).Zinc level in maternal plasma and collagen Ⅳ in serum had a negative relationship in TPROM (r =-0.261,P =0.044).Zinc level in maternal plasma and MMP-9 level in serum had a positive relationship in TPROM (r =0.274,P =0.034).MMP-9 levels in serum and amniotic fluid had a positive relationship in TPROM (r =0.264,P =0.047).There were no significant relationship between zinc level in maternal plasma,MMP-9 level in amniotic fluid,collagen Ⅳ and MMP-9 levels in serum,collagen Ⅳ in serum and MMP-9 in amniotic fluid (r =0.215,-0.172,-0.172 ; P > 0.05).Conclusion The level of zinc in maternal plasma and increase of MMP-9 in serum and amniotic fluid of women and decrease of the level of collagen Ⅳ in serum are related to the occurrence of TPROM.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Clinical Medicine of China Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Clinical Medicine of China Ano de publicação: 2014 Tipo de documento: Artigo