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Macrophage Inflammatory Protein-Iα Regulates Prostaglandin E2 and Interleukin-6 Production by Human Gestational Tissues In Vitro

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Abstract

Objective

To determine if the inflammatory cytokine macrophage inflammatory protein-1α (MIP-1α) stimulates the production of prostaglandin E2 (PCE2) and interleukin-6 (IL-6) by human gestational tissues.

Methods

Human decidual cells, chorion cells, and amnion cells were isolated from term placentas of women with normal pregnancies, and primary cultures of each cell line were established. In various concentrations, MIP-1α was then applied to each cell culture for 16 hours at 37 C, and culture supematants were assayed for PGE2 and IL-6.

Results

After incubation with MIP-1α, decidual cells produced increased amounts of IL-6 (P < .05) but not PGE2. When subjected to similar conditions, chorion cells produced increased amounts of both IL-6 and PGE2 (P < .05). Conversely, amnion cells produced increased amounts of only PGE2 in response to increasing concentrations of MIP-1α (P < .05).

Conclusion

Maternal and fetal gestational tissues differentially respond to MIP-1α with regard to PGE2 and IL-6 production; MIP-1α may play a role in both the initiation and propagation of the inflammatory response associated with intrauterine infection.

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Authors and Affiliations

  1. Department of Obstetrics and Gynecology, University of Utah School of Medicine, Salt Lake City, Utah, 84132, USA

    Donald J. Dudley MD, S. S. Edwin BS & Murray D. Mitchell DPhil, DSc

Authors
  1. Donald J. Dudley MD
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  2. S. S. Edwin BS
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  3. Murray D. Mitchell DPhil, DSc
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Additional information

We thank the residents and nursing staff for their assistance in the procurement of placentas, and Chih-Li Chen for her assistance with the assays.

Supported by K08 HD00964-03 from the National Institutes of Health.

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Dudley, D.J., Edwin, S.S. & Mitchell, M.D. Macrophage Inflammatory Protein-Iα Regulates Prostaglandin E2 and Interleukin-6 Production by Human Gestational Tissues In Vitro. Reprod. Sci. 3, 12–16 (1996). https://doi.org/10.1016/1071-5576(95)00042-9

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