PMID: 15222383Jun 30, 2004Paper

Activation in the metaloproteinases complex in the follicle-embryonic generative capability

Ginecología y obstetricia de México
Gerardo BarrosoHumberto Reyes

Abstract

To evaluate the impact of the enzymatic inhibition complex of metaloproteinases [TIMP(MMP-3 stromelisine-1)] in follicle/genesis processes and their ovule/embryonic subsequent development in stimulated cycles. Prospective longitudinal in research center. A total of 20 patients were evaluated in vitro fertilization cycles measuring matrix metaloproteinases concentrations in days 3 and 12 of ovarian stimulation, as well as in the follicular liquid at the moment of ovarian retrieval. The determination of [TIMP/(MMP-3 stromelisine-1)] was done by ELISA and monoclonal antibodies type of immunoassay methods. For its statistical evaluation were applied linear regression models ( r/r2 ) and Kolmogorov-Smirov test comparing the two groups where values were expressed in agreement at its mean, standard deviation and a significance of p < 0.05. For regression models was found a positive correlation between basal FSH and the age of patients [(r2 = 0.26)(p = 0.003)], dividing groups in older and younger patients than 35 years; it was observed significant difference in metaloproteinases concentration as in serum concentration (days 3 and 12 of stimulation) as in the follicular liquid. A decrease in the 14% [(TIMP/(MMP-3/stromelisine-1)] compl...Continue Reading

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