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Search: authors:"Jean-Marc Virion"

3 papers found.
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Umbilical cord-derived mesenchymal stromal cells: predictive obstetric factors for cell proliferation and chondrogenic differentiation

Background The umbilical cord is becoming a notable alternative to bone marrow (BM) as a source of mesenchymal stromal cells (MSC). Although age-dependent variations in BM-MSC are well described, less data are available for MSC isolated from Wharton’s jelly (WJ-MSC). We initiated a study to identify whether obstetric factors influenced MSC properties. We aimed to evaluate the...

Effect of the shipment of cadaveric renal allografts on allograft survival

Background. Since 1996, the allocation of grafts in France has been based on a hierarchical three-level system: national, regional and local. The objective of this study was to determine whether the shipment of cadaveric kidneys according to these new exchange rules affects allograft outcome in the Eastern region of France. Methods. This retrospective study analysed all renal...

Bias and Precision in Visual Analogue Scales: A Randomized Controlled Trial

Various types of visual analogue scales (VAS) are used in epidemiologic and clinical research. This paper reports on a randomized controlled trial to investigate the effects of variations in the orientation and type of scale on bias and precision in cross-sectional and longitudinal analyses. This trial was included in the pilot study of the SU.VI.MAX (supplementation by...