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Pierre Leclerc

Professeur titulaire

pierre.leclerc.4@ulaval.ca
Centre de recherche en reproduction, développement et santé intergénérationnelle
Centre de recherche du CHU de Québec - Université Laval
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Contribution à la recherche

Axe de recherche de l'Université Laval :

Santé et bien-être durables

Thématiques de recherche de la Faculté de médecine :

Reproduction, génétique, périnatalité et développement

Domaines et intérêts de recherche du (de la) professeur(e) :

Santé de la mère, des enfants et des adolescents
  • Développement embryonnaire
Cellulaire
  • Cellule
  • Gène
Subcellulaire
  • Enzymes et protéines
Génomique et protéomique
  • Mécanismes biologiques et biochimiques
  • Protéomique fonctionnelle et structurale
Organisation et fonctions biologiques
  • Glandes et tissus
  • Métabolisme
  • Physiologie
  • Reproduction et croissance

Projets de recherche

  • Réseau Québécois en Reproduction - Fonds de recherche du Québec - Nature et technologies - Regroupements stratégiques NT, Université de Montréal, co-chercheur - 2024-04-01 au 2030-03-31
  • Intercellular communication networks and luminal acidification in the post-testicular male reproductive tract - Instituts de recherche en santé du Canada - Subvention Projet, co-chercheur - 2022-10-01 au 2027-09-30
  • Mitochondrial signaling plays an important role in the regulation of sperm motility and fertilizing ability - Instituts de recherche en santé du Canada - Subvention Projet, chercheur principal - 2021-10-01 au 2026-09-30
  • Elucidating the intracellular mechanisms that regulate mammalian sperm fertilizing ability and motility - Conseil de recherches en sciences naturelles et génie Canada - Subventions à la découverte SD (individuelles et d'équipe), chercheur principal - 2021-04-01 au 2026-03-31
  • Importance de la protéine STAT3 dans la spermiogenèse, l’intégrité et la motilité des spermatozoïdes - Université Laval - Fonds internes - BDR - Contributions, chercheur principal - 2022-07-01 au 2023-06-30
  • Réseau Québécois en Reproduction (RQR) - Fonds de recherche du Québec - Nature et technologies, Université de Sherbrooke, Université Laval - Fonds internes, Université de Montréal, Université du Québec à Trois-Rivières, Institut national de recherche scientifique (INRS) - Regroupements stratégiques NT, Université de Montréal, co-chercheur - 2017-04-01 au 2023-03-31

Publications

  • The Importance of Calcium in the Appearance of p32, a Boar Sperm Tyrosine Phosphoprotein, during In Vitro Capacitation, Bailey, J.L., Leclerc, P., Tardif, S., Dubé, C., Journal of Andrology, 2003, 10.1002/j.1939-4640.2003.tb02734.x
  • Membranous and structural damage that occur during cryopreservation of human sperm may be time-related events, Sullivan, R., Leclerc, P., Légaré, C., Desrosiers, P., Fertility and Sterility, 2006, 10.1016/j.fertnstert.2005.11.046
  • Interaction between Ca2+, cyclic 3',5' adenosine monophosphate, the superoxide anion, and tyrosine phosphorylation pathways in the regulation of human sperm capacitation, Gagnon, C., De Lamirande, E., Leclerc, P., Journal of Andrology, 1998
  • Localization of the chaperone proteins GRP78 and HSP60 on the luminal surface of bovine oviduct epithelial cells and their association with spermatozoa, Leclerc, P., Sirard, M.-A., Bailey, J.L., Massicotte, L., Lachance, C., Reyes-Moreno, C., Boilard, M., Biology of Reproduction, 2004, 10.1095/biolreprod.103.026849
  • In vitro fertilization of bovine oocytes matured in vivo and collected at laparoscopy, Bedoya, M., Ménard, D.P., Leclerc, P., Rioux, J.E., Béland, R., Bernard, C., Sirard, M.a., Lambert, R.D., Theriogenology, 1986, 10.1016/0093-691X(86)90188-3
  • Infertility in a beef bull due to a failure in the capacitation process, Palmer, C., Leclerc, P., Sullivan, R., D'Amours, O., Siqueira, L.G., Lessard, C., Theriogenology, 2011, 10.1016/j.theriogenology.2011.04.020
  • Modulation of bovine sperm signalling pathways: Correlation between intracellular parameters and sperm capacitation and acrosome exocytosis, Leclerc, P., Bailey, J.L., Pons-Rejraji, H., Reproduction, Fertility and Development, 2009, 10.1071/RD07169
  • Identification of the bull sperm p80 protein as a PH-20 ortholog and its modification during the epididymal transit, Leclerc, P., Sullivan, R., Lalancette, C., Morin, G., Molecular Reproduction and Development, 2005, 10.1002/mrd.20308
  • The proacrosin binding protein, sp32, is tyrosine phosphorylated during capacitation of pig sperm, Bailey, J.L., Reyes-Moreno, C., Baba, T., Leclerc, P., Dubé, C., Journal of Andrology, 2005, 10.2164/jandrol.04163
  • p95, the major phosphotyrosine-containing protein in mouse spermatozoa, is a hexokinase with unique properties, Kopf, G.S., Leclerc, P., Visconti, P., Kalab, P., Journal of Biological Chemistry, 1994
  • Cyclic adenosine 3',5'monophosphate-dependent regulation of protein tyrosine phosphorylation in relation to human sperm capacitation and motility, Gagnon, C., De Lamirande, E., Leclerc, P., Biology of Reproduction, 1996, 10.1095/biolreprod55.3.684
  • Effect of heparin on the expression of calmodulin-binding proteins in bull spermatozoa, Chafouleas, J.G., Sirard, M.A., Lambert, R.D., Langlais, J., Leclerc, P., Journal of Reproduction and Fertility, 1989, 10.1530/jrf.0.0850615
  • Implication of calmodulin-dependent phosphodiesterase type 1 during bovine sperm capacitation, Bailey, J.L., Cormier, N., Leclerc, P., Fournier, V., Journal of Andrology, 2003
  • Implication of the human binder of SPerm Homolog 1 (BSPH1) protein in capacitation, Manjunath, P., Fan, J., Leclerc, P., Lachance, C., Thérien, I., Plante, G., Molecular Human Reproduction, 2014, 10.1093/molehr/gau006
  • Regulation of protein-tyrosine phosphorylation and human sperm capacitation by reactive oxygen derivatives, Gagnon, C., De Lamirande, E., Leclerc, P., Free Radical Biology and Medicine, 1997, 10.1016/S0891-5849(96)00379-6
  • Mouse sperm adenylyl cyclase: General properties and regulation by the zona pellucida, Kopf, G.S., Leclerc, P., Biology of Reproduction, 1995, 10.1095/biolreprod52.6.1227
  • Dr Claude Gagnon., Robaire, B., Lefievre, L., Leclerc, P., de Lamirande, E., O'Flaherty, C., Journal of andrology, 2012, 10.2164/jandrol.112.017426
  • Semen characteristics of genetically identical quadruplet bulls, Sullivan, R., Leclerc, P., Bailey, J.L., Twagiramungu, H., Kroetsch, T., Bilodeau, J.-F., Masseau, I., Lessard, C., Theriogenology, 2003, 10.1016/S0093-691X(02)01256-6
  • Inhibitors of phosphoinositide 3-kinase, LY294002 and wortmannin, affect sperm capacitation and associated phosphorylation of proteins differently: Ca2+-dependent divergences, Gagnon, C., Leclerc, P., De Lamirande, E., Nauc, V., Journal of Andrology, 2004, 10.1002/j.1939-4640.2004.tb02828.x
  • Developmental expression of the fragile X-related 1 proteins in mouse testis: Association with microtubule elements, Khandjian, E.W., Leclerc, P., Mazroui, R., Huot, M.-E., Human Molecular Genetics, 2001, 10.1093/hmg/10.24.2803
  • Evidence for the role of heterotrimeric guanine nucleotide-binding regulatory proteins in the regulation of the mouse sperm adenylyl cyclase by the egg's zona pellucida, Kopf, G.S., Leclerc, P., Journal of Andrology, 1999
  • Cryopreservation alters the levels of the bull sperm surface protein P25b, Sullivan, R., Baileys, J.A.N.I.C.E.L., Leclerc, P., Parent, S., Lessard, C., Journal of Andrology, 2000, 10.1002/j.1939-4640.2000.tb02138.x
  • Direct effect of macrophage migration inhibitory factor on sperm function: possible involvement in endometriosis-associated infertility, Akoum, A., Metz, C.N., Leclerc, P., Carli, C., Fertility and Sterility, 2007, 10.1016/j.fertnstert.2007.04.002
  • Expression of Hsp60 and Grp78 in the human endometrium and oviduct, and their effect on sperm functions, Leclerc, P., Bailey, J.L., Lachance, C., Human Reproduction, 2007, 10.1093/humrep/dem242
  • Leukemia inhibitory factor regulates differentiation of trophoblastlike BeWo cells through the activation of JAK/STAT and MAPK3/1 MAP kinase-signaling pathways, Reyes-Moreno, C., Lafond, J., Leclerc, P., Asselin, É., Bourassa, V., Leduc, K., Biology of Reproduction, 2012, 10.1095/biolreprod.111.094334
  • Cholesterol-loaded cyclodextrin improves ram sperm cryoresistance in skim milk-extender, Bailey, J.L., Leclerc, P., Demers-Caron, V., Castonguay, F., Salmon, V.M., Animal Reproduction Science, 2017, 10.1016/j.anireprosci.2016.11.011
  • Problems with the estimation of urine protein by automated assays, Douville, P., Leclerc, P., Girouard, J., Dube, J., Clinical Biochemistry, 2005, 10.1016/j.clinbiochem.2004.12.010
  • Recombinant human oviductin regulates protein tyrosine phosphorylation and acrosome reaction, Kan, F.W.K., Leclerc, P., Reid, R.L., Jia, Z., Yang, X., Zhao, Y., Reproduction, 2016, 10.1530/REP-16-0177
  • Identification of the proteins present in the bull sperm cytosolic fraction enriched in tyrosine kinase activity: A proteomic approach, Leclerc, P., Faure, R.L., Lalancette, C., Proteomics, 2006, 10.1002/pmic.200500578
  • Investigation of MYST4 histone acetyltransferase and its involvement in mammalian gametogenesis, Sirard, M.-A., Leclerc, P., Vigneault, C., Morin, G., McGraw, S., BMC Developmental Biology, 2007, 10.1186/1471-213X-7-123
  • Bull testicular haploid germ cells express a messenger encoding for a truncated form of the protein tyrosine kinase HCK, Leclerc, P., Faure, R.L., Bordeleau, L.-J., Lalancette, C., Molecular Reproduction and Development, 2006, 10.1002/mrd.20422
  • Capacitation of mouse spermatozoa. II. Protein tyrosine phosphorylation and capacitation are regulated by a cAMP-dependent pathway, Kopf, G.S., Olds-Clarke, P., Pan, D., Connors, S.A., Leclerc, P., Bailey, J.L., Moore, G.D., Visconti, P.E., Development, 1995
  • Calreticulin Affects β-Catenin-associated Pathways, Opas, M., Michalak, M., Blaschuk, O., Symonds, J.M., Dziak, E., Leclerc, P., Szewczenko-Pawlikowski, M., Fadel, M.P., Journal of Biological Chemistry, 2001, 10.1074/jbc.M101676200
  • Epididymosomes transfer epididymal sperm binding protein 1 (ELSPBP1) to dead spermatozoa during epididymal transit in bovine, Sullivan, R., Blondin, P., Leclerc, P., Allard, N., Bordeleau, L.-J., Frenette, G., D'Amours, O., Biology of Reproduction, 2012, 10.1095/biolreprod.112.100990 1-11
  • Study on the role of calmodulin in sperm function through the enrichment and identification of calmodulin-binding proteins in bovine ejaculated spermatozoa, Saindon, A.-A., Ruiz, J., Clark, M.-È., Lavoie-Ouellet, C., Rioux, J.-F., Goupil, S., Leclerc, P., Journal of Cellular Physiology, 2020, 10.1002/jcp.29421
  • Use of phosphoproteomics to study tyrosine kinase activity in capacitating boar sperm: Kinase activity and capacitation, Leclerc, P., Lefièvre, L., Reyes-Moreno, C., Beaulieu, M., Dubé, C., Tardif, S., Bailey, J.L., Theriogenology, 2005, 10.1016/j.theriogenology.2004.09.034
  • Role of protein tyrosine phosphorylation in the thapsigargin-induced intracellular Ca2+ store depletion during human sperm acrosome reaction, Leclerc, P., Dufour, M., Dorval, V., Molecular Human Reproduction, 2003, 10.1093/molehr/gag017
  • Regulation of the human sperm tyrosine kinase c-yes. Activation by cyclic adenosine 3′,5′-monophosphate and inhibition by Ca2+, Goupil, S., Leclerc, P., Biology of Reproduction, 2002, 10.1095/biolreprod67.1.301
  • The immobilization of human spermatozoa by STAT3 inhibitory compound V results from an excessive intracellular amount of reactive oxygen species, Leclerc, P., Tremblay, R.R., Goupil, S., Lachance, C., Andrology, 2016, 10.1111/andr.12123
  • Erratum: Decreased binding of calmodulin to bull sperm proteins during heparin-induced capacitation (Biol. Reprod. 1990; 42: 483-489), Lambert, R.D., Chefouleas, J.G., Sirard, M.-A., Leclerc, P., Biology of Reproduction, 1990
  • SPAM1 isoforms from two tissue origins are differentially localized within ejaculated bull sperm membranes and have different roles during fertilization., Leclerc, P., Robert, C., Laflamme, I., Sullivan, R., Morin, G., Biology of reproduction, 2010, 10.1095/biolreprod.109.079582
  • Regulated expression of cadherin-6 and cadherin-11 in the glandular epithelial and stromal cells of the human endometrium, Maccalman, C.D., Blaschuk, O.W., Leclerc, P., Stephenson, M.D., Getsios, S., Chen, G.T.C., Developmental Dynamics, 1998, 10.1002/(SICI)1097-0177(199803)211:3<238::AID-AJA5>3.0.CO;2-I
  • Estrogen sulfotransferase is highly expressed along the bovine epididymis and is secreted into the intraluminal environment, Sullivan, R., D'Amours, O., Leclerc, P., Frenette, G., Journal of Andrology, 2009, 10.2164/jandrol.108.006668
  • Induction of human sperm capacitation and protein tyrosine phosphorylation by endometrial cells and interleukin-6, Leclerc, P., Akoum, A., Laflamme, J., Molecular Human Reproduction, 2005, 10.1093/molehr/gah142
  • Cholesterol-loaded cyclodextrin increases the cholesterol content of goat sperm to improve cold and osmotic resistance and maintain sperm function after cryopreservation, Bailey, J.L., Leclerc, P., Salmon, V.M., Biology of Reproduction, 2016, 10.1095/biolreprod.115.128553
  • SPAM1 and PH-20 are two gene products expressed in bovine testis and present in sperm, Leclerc, P., Saindon, A.-A., Reproduction, 2018, 10.1530/REP-18-0185
  • Expression of hck-tr, a truncated form of the src-related tyrosine kinase hck, in bovine spermatozoa and testis, Leclerc, P., Bordeleau, L.-J., Molecular Reproduction and Development, 2008, 10.1002/mrd.20814
  • Localization of Hsp60 and Grp78 in the human testis, epididymis and mature spermatozoa, Leclerc, P., Bailey, J.L., Sullivan, R., Thimon, V., Fortier, M., Lachance, C., International Journal of Andrology, 2010, 10.1111/j.1365-2605.2008.00948.x
  • Capacitation as a regulatory event that primes spermatozoa for the acrosome reaction and fertilization, Gagnon, C., Leclerc, P., De Lamirande, E., Molecular Human Reproduction, 1997, 10.1093/molehr/3.3.175
  • Phosphorylation of triton X-100 soluble and insoluble protein substrates in a demembranated/reactivated human sperm model, Gagnon, C., Leclerc, P., Molecular Reproduction and Development, 1996, 10.1002/(SICI)1098-2795(199606)44:2<200::AID-MRD9>3.0.CO;2-R
  • Stattic V, a STAT3 inhibitor, affects human spermatozoa through regulation of mitochondrial activity, Leclerc, P., Goupil, S., Lachance, C., Journal of Cellular Physiology, 2013, 10.1002/jcp.24215
  • Identification and localization of the cyclic nucleotide phosphodiesterase 10A in bovine testis and mature spermatozoa, Leclerc, P., Richard, F.J., Tremblay, M.-È., Hajj, H.E., Maréchal, L., Goupil, S., PLoS ONE, 2016, 10.1371/journal.pone.0161035
  • Cyclic nucleotide phosphodiesterases in human spermatozoa and seminal fluid: Presence of an active PDE10A in human spermatozoa, Richard, F.J., Leclerc, P., Blondin, P., Goupil, S., Guillemette, C., Maréchal, L., Biochimica et Biophysica Acta - General Subjects, 2017, 10.1016/j.bbagen.2016.11.006
  • Decrease in calmodulin concentrations during heparin-induced capacitation in bovine spermatozoa, Lambert, R.D., Chafouleas, J.G., Sirard, M.A., Leclerc, P., Journal of Reproduction and Fertility, 1992, 10.1530/jrf.0.0940023
  • Binder of sperm 1 and epididymal sperm binding protein 1 are associated with different bull sperm subpopulations, Sullivan, R., Leclerc, P., Blondin, P., Frenette, G., Bordeleau, L.-J., D'Amours, O., Reproduction, 2012, 10.1530/REP-11-0392
  • Decreased binding of calmodulin to bull sperm proteins during heparin-induced capacitation, Lambert, R.D., Chafouleas, J.G., Sirard, M.-A., Leclerc, P., Biology of Reproduction, 1990, 10.1095/biolreprod42.3.483
  • Novel technical strategies to optimize cryopreservation of goat semen using cholesterol-loaded cyclodextrin, Bailey, J.L., Leclerc, P., Salmon, V.M., Cryobiology, 2017, 10.1016/j.cryobiol.2016.12.010
  • The protein phosphatase with EF-hand domain 1 is a calmodulin-binding protein that interacts with proteins involved in sperm capacitation, binding to the zona pellucida, and motility, Leclerc, P., Saindon, A.-A., Ruiz, J., Clark, M.-È., Lavoie-Ouellet, C., Molecular Reproduction and Development, 2021, 10.1002/mrd.23467
  • Papaverine-sensitive phosphodiesterase activity is measured in bovine spermatozoa, Richard, F.J., Vigneault, C., Blondin, P., Sullivan, R., Leclerc, P., Aragon, J.P., Poulin, M.-P., Laroche, A., Guillemette, C., Hébert, A., Bergeron, A., Andrology, 2017, 10.1111/andr.12290
  • Developmental expression of Src-related tyrosine kinases in the mouse testis, Leclerc, P., Bordeleau, L.-J., La Salle, S., Trasler, J.M., Goupil, S., Journal of Andrology, 2011, 10.2164/jandrol.110.010462
  • Cytogenetic study of parthenogenetically activated bovine oocytes matured in vivo and in vitro, Jacques, P., Lambert, R.D., Leclerc, P., Greve, T., Sirard, M.‐A., Xu, K.P., King, W.A., Gamete Research, 1988, 10.1002/mrd.1120200303
  • Identification and localisation of SERCA 2 isoforms in mammalian sperm, Leclerc, P., Goupil, S., Dorval, V., Lawson, C., Molecular Human Reproduction, 2007, 10.1093/molehr/gam012
  • Distribution and localization of calmodulin-binding proteins in bull spermatozoa, Goupil, S., Leclerc, P., Biology of Reproduction, 2000, 10.1095/biolreprod62.6.1875
  • Cryopreservation affects bovine sperm intracellular parameters associated with capacitation and acrosome exocytosis, Leclerc, P., Bailey, J.L., Pons-Rejraji, H., Reproduction, Fertility and Development, 2009, 10.1071/RD07170
  • Regulation of the phosphotyrosine content of human sperm proteins by intracellular Ca2+: Role of Ca2+-adenosine triphosphatases, Leclerc, P., Dufour, M., Dorval, V., Biology of Reproduction, 2002, 10.1095/biolreprod.102.004127
  • Increased activity of the human sperm tyrosine kinase SRC by the cAMP-dependent pathway in the presence of calcium, Leclerc, P., Goupil, S., Lawson, C., Biology of Reproduction, 2008, 10.1095/biolreprod.108.070367
  • Characterization of an 80-kilodalton bull sperm protein identified as PH-20, Leclerc, P., Leblanc, V., Dorval, V., Lalancette, C., Biology of Reproduction, 2001, 10.1095/biolreprod65.2.628
  • Mediators of the JAK/STAT signaling pathway in human spermatozoa, Leclerc, P., Lachance, C., Biology of Reproduction, 2011, 10.1095/biolreprod.111.092379
  • Proteomic comparison of detergent-extracted sperm proteins from bulls with different fertility indexes, Sullivan, R., Leclerc, P., Fortier, M., Frenette, G., D'Amours, O., Reproduction, 2010, 10.1530/REP-09-0375

Contribution à l'enseignement aux cycles supérieurs

Étudiant(e)s dirigé(e)s*

Depuis 2009
  • Rohit Kumar Deshmukh - Doctorat - En cours
  • Jolianne Bernier - Maîtrise avec mémoire - En cours
  • Edith Gosselin - Maîtrise avec mémoire - En cours
  • Sandrine Delisle - Maîtrise avec mémoire - En cours
  • Tania Laperrière - Maîtrise avec mémoire - En cours
  • Edith Poirier - Maîtrise avec mémoire - 2012/01
  • Benoit Fraser - Maîtrise avec mémoire - 2013/05
  • Mahutin Vianney Salmon - Doctorat - 2015/05
  • Loïze Maréchal - Maîtrise avec mémoire - 2016/09
  • Andrée-Anne Saindon - Maîtrise avec mémoire - 2017/05
  • Camille Lavoie-Ouellet - Maîtrise avec mémoire - 2021/05
  • Ariane Lapointe-Belleau - Maîtrise avec mémoire - 2024/05

Encadrement d'étudiant(e)s

Direction de recherche dans les domaines suivants :

  • Biologie cellulaire et moléculaire
  • Médecine moléculaire

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*Les supervisions d’étudiant(e)s de 1er cycle en stage de recherche et de résident(e)s aux études médicales postdoctorales seront répertoriées ultérieurement.
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