Publications by authors named "M Vignaud"

The placenta is an essential organ for fetal development. During the first trimester, it undergoes dramatic changes as it develops in an environment poor in oxygen (around 2-3%). From about 10 gestational weeks, oxygen levels increase to 8% in the intervillous chamber.

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Human placenta is a multifunctional interface between maternal and fetal blood. Studying the impact of pollutants on this organ is crucial because many xenobiotics in maternal blood can accumulate in placental cells or pass into the fetal circulation. Benzo(a)pyrene (BP) and cerium dioxide nanoparticles (CeO NP), which share the same emission sources, are found in ambient air pollution and also in maternal blood.

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Objective: The adipogenic PPARG-encoded PPARγ nuclear receptor also displays essential placental functions. We evaluated the metabolic, reproductive, and perinatal features of patients with PPARG-related lipodystrophy.

Methods: Current and retrospective data were collected in patients referred to a National Rare Diseases Reference Centre.

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Objective: To investigate whether oral antimicrobial prophylaxis as an adjunct to intravenous antibiotic prophylaxis reduces surgical site infections after elective colorectal surgery.

Design: Multicentre, randomised, double blind, placebo controlled trial.

Setting: 11 university and non-university hospitals in France between 25 May 2016 and 8 August 2019.

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Background: Salmonella spp. is a major foodborne pathogen with a wide variety of serovars associated with human cases and food sources. Nevertheless, in Europe a panel of ten serovars is responsible for up to 80% of confirmed human cases.

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