alexa Inflammation promotes a cytokine response and disrupts the cervical epithelial barrier: a possible mechanism of premature cervical remodeling and preterm birth.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Steroids & Hormonal Science

Author(s): Nold C, Anton L, Brown A, Elovitz M

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Abstract OBJECTIVE: An inflammatory challenge disrupts the cervical epithelial barrier and promotes cervical remodeling. STUDY DESIGN: Immortalized ectocervical and endocervical cells were treated with lipopolysaccharide (LPS), and interleukin (IL)-6, IL-8, and soluble E-cadherin (SECAD) were assessed. Cells were then pretreated with dexamethasone prior to LPS exposure, and IL-6, IL-8, and SECAD levels were again assessed. The integrity of the epithelial cell barrier was determined using a permeability assay. RESULTS: LPS significantly increased IL-6 and IL-8 levels, and SECAD was significantly increased at 24 hours. LPS induced inflammation increased permeability for both cell lines. Dexamethasone pretreatment prior to LPS exposure significantly decreased IL-6 and IL-8 levels in both cell lines. There was no reduction in SECAD levels with dexamethasone pretreatment. Permeability decreased in the presence of dexamethasone for ectocervical cells only. CONCLUSION: These studies demonstrate an inflammatory challenge to cervical epithelial cells promotes a cytokine release and functionally alters the cervical epithelial barrier. Copyright © 2012 Mosby, Inc. All rights reserved. This article was published in Am J Obstet Gynecol and referenced in Journal of Steroids & Hormonal Science

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