Evaluation of Leukocyte Chemotaxis Induced by Human Fetal Membranes in an In Vitro Model

Overview

Journal Methods Mol Biol

Specialty Molecular Biology

Date 2024 Mar 19

PMID 38502440

Authors

Pilar Flores-Espinosa

Ismael Mancilla-Herrera

Andrea Olmos-Ortiz

Lorenza Diaz

Veronica Zaga-Clavellina

Affiliations

Soon will be listed here.

Abstract

Leukocyte infiltration into the maternal-fetal interface is a consequence of the robust inflammation in the gestational tissues during term labor and preterm labor with or without infection. During pregnancy, the fetal membranes act as a physical barrier that isolates the fetus into the amniotic cavity, keeping it in an optimal environment for its development. In addition, the fetal membranes possess immunological competencies such as the secretion of cytokines and chemokines in response to different stimuli. Clinical and experimental evidence indicates that these tissues are involved in the extensive chemotaxis of immune cells in normal or pathological conditions.Few studies have evaluated the chemotactic capacities of the fetal membranes considering that this tissue is composed of two adjacent tissues, the amnion and the chorion, which have different characteristics. Although these tissues function as a unit, their response is complex since there is an interaction between them, where each tissue contributes differently. The protocol described here allows us to evaluate the in vitro chemotactic capacities of fetal membranes in response to various applied stimuli, considering the contribution of each of their components (amnion and choriodecidua) using a Boyden chamber assay and phenotyping the chemo-attracted leukocytes by flow cytometry.

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