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Pharmacological inhibition of MIF interferes with trophoblast cell migration and invasiveness

2015
Аутори:
Krivokuca, M. Jovanovic
Stefanoska, I.
Abu Rabi, T.
Al-Abed, Y.
Stošić-Grujičić, Stanislava D.
Vicovac, Lj
Тип документа:
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Апстракт:
Introduction: Macrophage migration inhibitory factor (MIF) is expressed by villous and extravillous cytotrophoblast. This study was aimed to investigate functional relevance of MIF for human trophoblast. Methods: MIF mRNA and protein were documented in cytotrophoblast (CT) and extravillous trophoblast cell line HTR-8/SVneo by RT-PCR, Western blot (WB), and immunocytochemistry. Recombinant human MIF (rhMIF), or its specific inhibitor (S,R)-3-(4-hydroxypheny1)-4,5-dihydro-5-isoxazole acetic acid methyl ester (ISO-1) were used in Wound healing migration and Matrigel invasion tests. Potential effectors, integrin subunits and matrix metalloproteinases (MMP) were studied using WB and gelatin zymography, respectively. Results: Blocking endogenous MIF by ISO-1 decreased HTR-8/SVneo cell migration dose dependently, most significantly with 200 mu g/ml to 65\% of control. Supplementation with rhMIF induced a significant stimulation to 129\% of control with 200 ng/ml. In CT cell invasion test, ISO-1 at 200 mu g/ml reduced invasion to 59\% of control, while rhMIF (200 ng/m1) induced stimulation to 159\% of control. In HTR-8/SVneo cells, invasion was significantly inhibited by ISO-1 to 40\%, and increased to 150\% of control by rhMIF (200 ng/ml). Integrin alpha 1 was reduced by ISO-1 in both cell types, while integrins alpha 5 and beta 1 were not changed. Addition of rhMIF increased integrin alpha 1. In the presence of ISO-1, levels of MMP-2 and MMP-9 were reduced in CT and HTR-8/SVneo, while rhMIF stimulated MMP-2 in CT and MMP-9 in HTR-8/SVneo cells. Conclusion: Reported findings provide the first insight into the cellular effects of MIF in human trophoblast, which acts to promote cell migration and invasion. (C) 2014 Elsevier Ltd. All rights reserved.
Кључне речи:
Placenta; Trophoblast; Invasion
Извор:
Placenta, 2015, 36, 2, 150-159

DOI: 10.1016/j.placenta.2014.12.003

ISSN: 1532-3102

WoS: 000349583100008

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URI
http://ibiss-r.rcub.bg.ac.rs/123456789/2009
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