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Expression of collagen in ovular membranes of pregnant smokers and non-smokers: a pilot study

Expression of collagen in ovular membranes of pregnant smokers and non-smokers: a pilot study

Ginekologia Polska 86(9): 678-684

Our study compared the amount of total collagen and type I collagen in ovular membranes of pregnant smokers and non-smokers. The study group consisted of 14 pregnant smokers at 24-36 weeks of gestation; 39 pregnant non-smokers between 24-36 weeks of gestation comprised the control group. The expressions of total collagen and type I collagen were analyzed using two histological sections of the fetal membranes. The assessment of total collagen was performed using the Picro-Cirius red stain, and type I collagen expression was determined by means of immunohistochemistry The Mann-Whitney test was applied to verify possible differences between the groups. The average area covered by total collagen was lower in smokers (20630.45 microm2) as compared to non-smokers (24058.61 microm2), although the difference was not statistically significant (p = 0.454). Comparison involving collagen type I deemed similar results (20001.33 microm2 vs. 25328.29 microm2, p = 0.158). The amount of total collagen and type I collagen was lower in ovular membranes of pregnant smokers as compared to non-smokers, although the difference was not statistically significant.

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Accession: 057844240

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PMID: 26665569

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