Search Results - "Guerin, J.F."

Influence of global sperm DNA methylation on IVF results by Benchaib, M., Braun, V., Ressnikof, D., Lornage, J., Durand, P., Niveleau, A., Guérin, J.F.

“…BACKGROUND: In cases of male infertility, routine analysis for sperm characteristics is a poor predictive factor for the segmentation rate and embryo…”
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Methylation profile of the promoters of Nanog and Oct4 in ICSI human embryos by AL-KHTIB, M, BLACHERE, T, GUERIN, J. F, LEFEVRE, A

“…STUDY QUESTION What is the methylation status of the Nanog and Oct4 promoters in human gametes and ICSI embryos and is abnormal reprogramming of their…”
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Uterine rupture in first or second trimester of pregnancy after in-vitro fertilization and embryo transfer by Arbab, F., Boulieu, D., Bied, V., Payan, F., Lornage, J., Guérin, J.F.

“…Abstract We report five cases of early rupture of cornual pregnancy with history of previous salpingectomy and cornual resection following in-vitro…”
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Localization of proteasomes in human oocytes and preimplantation embryos by Wójcik, C., Benchaib, M., Lornage, J., Czyba, J.C., Guerin, J.F.

“…In the present study we describe the localization of proteasomes in human oocytes, apoptotic preimplantation embryos, and triploid preimplantation embryos by…”
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Pregnancy after safe IVF with hepatitis C virus RNA-positive sperm by Levy, R., Bourlet, T., Maertens, A., Salle, B., Lornage, J., Laurent, J.L., Pozzetto, B., Guerin, J.F.

“…In France, assisted reproductive technology (ART) for hepatitis C virus (HCV)-infected patients is now subject to strict control after the publication of…”
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Selection bias in semen studies due to self-selection of volunteers by Muller, A., De La Rochebrochard, E., Labbé-Declèves, C., Jouannet, P., Bujan, L., Mieusset, R., Le Lannou, D., Guerin, J.F., Benchaib, M., Slama, R., Spira, A.

“…BACKGROUND: Reports of a secular decrease in semen quality remain controversial, particularly due to the possibility of selection bias. We aimed to describe…”
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Transmission risk of hepatitis C virus in assisted reproductive techniques by Levy, R., Tardy, J.C., Bourlet, T., Cordonier, H., Mion, F., Lornage, J., Guerin, J.F.

“…Medical assistance for procreation in a couple where one or both parents has hepatitis C viral infection (HCV) raises the issue of the transmission of the…”
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Cyclodextrin enhances spermicidal effects of magainin-2-amide by Wojcik, C, Sawicki, W, Marianowski, P, Benchaib, M, Czyba, J.C, Guerin, J.F

“…Magainins are antimicrobial peptides with known spermicidal activity. Their activity is inhibited by cholesterol present in eukaryotic cell membranes…”
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Sperm DNA fragmentation decreases the pregnancy rate in an assisted reproductive technique by Benchaib, Mehdi, Braun, Valérie, Lornage, Jacqueline, Hadj, Samia, Salle, Bruno, Lejeune, Hervé, Guérin, Jean François

“…BACKGROUND: Standard sperm characteristics are poor predictors of the outcome of IVF treatments. On the contrary, sperm genome quality has been emphasized for…”
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Normal gestations and live births after orthotopic autograft of vitrified–warmed hemi-ovaries into ewes by Bordes, Agnes, Lornage, Jacqueline, Demirci, Banu, Franck, Michel, Courbiere, Blandine, Guerin, Jean François, Salle, Bruno

“…BACKGROUND: The aim of this study was to evaluate the long-term outcome of autotransplantation of vitrified warmed hemi-ovaries into ewes. METHODS: Six…”
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R-063. Low doses of aspirin do not improve pregnancy rate in IVF if given on the day of the oocyte collection by Salle, B., Prunaret, V., Benchaib, M., Lornage, J., Guerin, J.F., Rudigoz, R.C.

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R-175. Mitochondria and nuclear staining in unfertilized human oocytes by Benchaib, M., Lornage, J., Coulaud, L., Giscard, D'Estaing S., Guerin, J.F.

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O-149. Retrospective and comparative trial between two systems of blastocyst culture: co-culture on Vero cells and sequential media culture by Giscard, d'Estaing S., Lornage, J., Benchaib, M., Ajina, M., Levy, R., Salle, B., Boulieu, D., Hadj, S., Guerin, J.F.

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Normal pregnancies and live births after autograft of frozen-thawed hemi-ovaries into ewes by Salle, Bruno, Demirci, Banu, Franck, Michel, Rudigoz, René Charles, Guerin, Jean François, Lornage, Jacqueline

“…To evaluate long-term outcome of autotransplantation of cryopreserved hemi-ovaries into ewes. Animal study. University fertility center, Hospices Civils de…”
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Effects of cryopreservation on the meiotic spindle of human oocytes by Mandelbaum, J., Anastasiou, O., Lévy, R., Guérin, J.F., de Larouzière, V., Antoine, J.M.

“…The microtubular meiotic spindle of most mammals, including humans, is very sensitive to cooling [Hum. Reprod. 16 (2001) 2374; Fertil. Steril. 54 (1990) 102;…”
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Quantitation by image analysis of global DNA methylation in human spermatozoa and its prognostic value in in vitro fertilization: a preliminary study by Benchaib, Mehdi, Ajina, Mounir, Lornage, Jacqueline, Niveleau, Alain, Durand, Philippe, Guérin, Jean François

“…To determine the relationship between sperm DNA methylation level and sperm characteristics and pregnancy rates. Prospective study. Quantitation by image…”
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Students' engagement with Socioscientific issues: Use of sources of knowledge and attitudes by Klaver, Lida T., Walma van der Molen, Juliette H., Sins, Patrick H. M., Guérin, Laurence J. F.

“…The current study is about students' engagement with socioscientific issues (SSI). We explored the use of sources of knowledge about SSI and attitudes toward…”
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Strengthening science education through attention to student resources: A conceptualization of socioscientific capital by Klaver, Lida T., Sins, Patrick H. M., Walma van der Molen, Juliette H., Guérin, Laurence J. F.

“…In this position paper, we introduce the concept of socioscientific capital (SSC) to denote students' resources that unequivocally play a part when students…”
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Morphological alterations and DNA fragmentation in oocytes from primordial and primary follicles after freezing-thawing of ovarian cortex in sheep by Demirci, Banu, Salle, Bruno, Frappart, Lucien, Franck, Michel, Guerin, Jean François, Lornage, Jacqueline

“…To evaluate DNA fragmentation in the oocyte of primordial and primary follicles and morphology of these follicles after freezing and thawing of ovarian cortex…”
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Follicular viability and morphology of sheep ovaries after exposure to cryoprotectant and cryopreservation with different freezing protocols by Demirci, B, Lornage, J, Salle, B, Frappart, L, Franck, M, Guerin, J F

“…To test the toxicity of cryoprotectant in sheep ovarian tissue and to determine optimal conditions for freezing hemiovary cortex. Small follicles (<60 microm…”
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