Search Results - "Ziyyat, Ahmed"

Refine Results
  1. 1
  2. 2

    Sperm SPACA6 protein is required for mammalian Sperm-Egg Adhesion/Fusion by Barbaux, Sandrine, Ialy-Radio, Côme, Chalbi, Myriam, Dybal, Elisa, Homps-Legrand, Méline, Do Cruzeiro, Marcio, Vaiman, Daniel, Wolf, Jean-Philippe, Ziyyat, Ahmed

    Published in Scientific reports (24-03-2020)
    “…Three genes are known to be essential for gamete adhesion/fusion ( Cd9, Izumo1 and Juno ). Here, we confirmed that Spaca6 null males are infertile and showed…”
    Get full text
    Journal Article
  3. 3

    The cell biology of fertilization: Gamete attachment and fusion by Siu, Karen K, Serrão, Vitor Hugo B, Ziyyat, Ahmed, Lee, Jeffrey E

    Published in The Journal of cell biology (04-10-2021)
    “…Fertilization is defined as the union of two gametes. During fertilization, sperm and egg fuse to form a diploid zygote to initiate prenatal development. In…”
    Get full text
    Journal Article
  4. 4

    Neurotensin and Its Involvement in Reproductive Functions: An Exhaustive Review of the Literature by Arbogast, Pauline, Gauchotte, Guillaume, Mougel, Romane, Morel, Olivier, Ziyyat, Ahmed, Agopiantz, Mikaël

    “…Neurotensin (NTS) is a peptide discovered in 1973, which has been studied in many fields and mainly in oncology for its action in tumor growth and…”
    Get full text
    Journal Article
  5. 5

    H19 acts as a trans regulator of the imprinted gene network controlling growth in mice by Gabory, Anne, Ripoche, Marie-Anne, Le Digarcher, Anne, Watrin, Françoise, Ziyyat, Ahmed, Forné, Thierry, Jammes, Hélène, Ainscough, Justin F X, Surani, M Azim, Journot, Laurent, Dandolo, Luisa

    Published in Development (Cambridge) (15-10-2009)
    “…The imprinted H19 gene produces a non-coding RNA of unknown function. Mice lacking H19 show an overgrowth phenotype, due to a cis effect of the H19 locus on…”
    Get full text
    Journal Article
  6. 6
  7. 7

    Fertilization, but Not Post-Implantation Development, Can Occur in the Absence of Sperm and Oocyte Beta1 Integrin in Mice by Mimouni, Nour El Houda, Ialy-Radio, Côme, Denizot, Anne-Lyse, Lagoutte, Isabelle, Frolikova, Michaela, Komrskova, Katerina, Barbaux, Sandrine, Ziyyat, Ahmed

    “…Fertilization is a complex process that requires successive stages and culminates in the adhesion/fusion of gamete membranes. If the question of the…”
    Get full text
    Journal Article
  8. 8

    Deletion of the Spata3 Gene Induces Sperm Alterations and In Vitro Hypofertility in Mice by Girault, Marie-Sophie, Dupuis, Sophie, Ialy-Radio, Côme, Stouvenel, Laurence, Viollet, Cécile, Pierre, Rémi, Favier, Maryline, Ziyyat, Ahmed, Barbaux, Sandrine

    “…Thanks to the analysis of an Interspecific Recombinant Congenic Strain (IRCS), we previously defined the quantitative trait locus as an interval on mouse…”
    Get full text
    Journal Article
  9. 9

    The lack of Tex44 causes severe subfertility with flagellar abnormalities in male mice by Dupuis, Sophie, Girault, Marie-Sophie, Le Beulze, Morgane, Ialy-Radio, Côme, Bermúdez-Guzmán, Luis, Ziyyat, Ahmed, Barbaux, Sandrine

    Published in Cellular & molecular biology letters (15-05-2024)
    “…By analyzing a mouse Interspecific Recombinant Congenic Strain (IRCS), we previously identified a quantitative trait locus (QTL), called Mafq1 on mouse…”
    Get full text
    Journal Article
  10. 10

    Tetraspanins and Mouse Oocyte Microvilli Related to Fertilizing Ability by Benammar, Achraf, Ziyyat, Ahmed, Lefèvre, Brigitte, Wolf, Jean-Philippe

    “…Our electron microscopy observations demonstrate for the first time that the number of microvilli on the mice oocyte membrane decreases when meiosis progresses…”
    Get more information
    Journal Article
  11. 11

    Partial Sperm beta1 Integrin Subunit Deletion Proves its Involvement in Mouse Gamete Adhesion/Fusion by Barraud-Lange, Virginie, Ialy-Radio, Côme, Chalas, Céline, Holtzmann, Isabelle, Wolf, Jean-Philippe, Barbaux, Sandrine, Ziyyat, Ahmed

    “…We have previously shown, using antibodies, that the sperm alpha6beta1 integrin is involved in mouse gamete fusion in vitro. Here we report the conditional…”
    Get full text
    Journal Article
  12. 12

    CD9 tetraspanin generates fusion competent sites on the egg membrane for mammalian fertilization by Jégou, Antoine, Ziyyat, Ahmed, Barraud-Lange, Virginie, Perez, Eric, Wolf, Jean Philippe, Pincet, Frédéric, Gourier, Christine

    “…CD9 tetraspanin is the only egg membrane protein known to be essential for fertilization. To investigate its role, we have measured, on a unique acrosome…”
    Get full text
    Journal Article
  13. 13

    Cyclic FEE Peptide Improves Human Sperm Movement Parameters without Modification of Their Energy Metabolism by Le Foll, Nathalie, Pont, Jean-Christophe, L'Hostis, Audrey, Guilbert, Thomas, Bouillaud, Frédéric, Wolf, Jean-Philippe, Ziyyat, Ahmed

    “…Cyclic fertilin peptide (cFEE: phenylalanine, glutamic acid; glutamic acid) improves gamete interaction in humans. We investigate whether it could be via…”
    Get full text
    Journal Article
  14. 14

    Cholesterol depletion disorganizes oocyte membrane rafts altering mouse fertilization by Buschiazzo, Jorgelina, Ialy-Radio, Come, Auer, Jana, Wolf, Jean-Philippe, Serres, Catherine, Lefèvre, Brigitte, Ziyyat, Ahmed

    Published in PloS one (25-04-2013)
    “…Drastic membrane reorganization occurs when mammalian sperm binds to and fuses with the oocyte membrane. Two oocyte protein families are essential for…”
    Get full text
    Journal Article
  15. 15
  16. 16

    SPACA6 ectodomain structure reveals a conserved superfamily of gamete fusion-associated proteins by Vance, Tyler D. R., Yip, Patrick, Jiménez, Elisabet, Li, Sheng, Gawol, Diana, Byrnes, James, Usón, Isabel, Ziyyat, Ahmed, Lee, Jeffrey E.

    Published in Communications biology (17-09-2022)
    “…SPACA6 is a sperm-expressed surface protein that is critical for gamete fusion during mammalian sexual reproduction. Despite this fundamental role, little is…”
    Get full text
    Journal Article
  17. 17

    Seminal leukocytes are Good Samaritans for spermatozoa by Barraud-Lange, Virginie, M.D., Ph.D, Pont, Jean-Christophe, M.D, Ziyyat, Ahmed, Ph.D, Pocate, Khaled, M.D, Sifer, Christophe, M.D, Cedrin-Durnerin, Isabelle, M.D, Fechtali, Bouchra, M.L.T, Ducot, Beatrice, M.D, Wolf, Jean Philippe, M.D., Ph.D

    Published in Fertility and sterility (01-12-2011)
    “…Objective To assess the effect of leukocytospermia on assisted reproductive technology outcomes. Design Retrospective analysis. Setting University laboratory…”
    Get full text
    Journal Article
  18. 18

    Refined mapping of a quantitative trait locus on chromosome 1 responsible for mouse embryonic death by Vatin, Magalie, Burgio, Gaetan, Renault, Gilles, Laissue, Paul, Firlej, Virginie, Mondon, Françoise, Montagutelli, Xavier, Vaiman, Daniel, Serres, Catherine, Ziyyat, Ahmed

    Published in PloS one (16-08-2012)
    “…Recurrent spontaneous abortion (RSA) is defined as the loss of three or more consecutive pregnancies during the first trimester of embryonic intrauterine…”
    Get full text
    Journal Article
  19. 19

    Paradoxical increase of sperm motility and seminal carnitine associated with moderate leukocytospermia in infertile patients by Ziyyat, Ahmed, Ph.D, Barraud-Lange, Virginie, M.D, Sifer, Christophe, M.D, Ducot, Béatrice, M.D, Wolf, Jean-Philippe, M.D., Ph.D, Soufir, Jean-Claude, M.D., M.Sc

    Published in Fertility and sterility (01-12-2008)
    “…Objective To examine the relationship between seminal polymorphonuclear (PMN) granulocytes and sperm functions (particularly sperm motility) in infertile men…”
    Get full text
    Journal Article
  20. 20

    Alpha6beta1 integrin expressed by sperm is determinant in mouse fertilization by Barraud-Lange, Virginie, Naud-Barriant, Nathalie, Saffar, Line, Gattegno, Liliane, Ducot, Beatrice, Drillet, Anne-Sophie, Bomsel, Morgane, Wolf, Jean-Philippe, Ziyyat, Ahmed

    Published in BMC developmental biology (12-09-2007)
    “…Based on inhibition tests, the alpha6beta1 integrin was suggested to be a sperm receptor, but further experiments using gene deletion techniques have shown…”
    Get full text
    Journal Article