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Étienne Audet-Walsh

Professeur agrégé

Étienne Audet-Walsh
etienne.audet-walsh.1@ulaval.ca
Centre de recherche sur le cancer
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

Thématiques de recherche de la Faculté de médecine

  • Oncologie

Domaines de recherche

  • Physiologie animale, endocrinologie
  • Endocrinologie humaine (sauf le diabète et l'obésité)
  • Métabolisme cellulaire
  • Biologie cellulaire, n.c.a.
  • Physiologie animale, métabolisme
  • Physiologie animale, thermorégulation
  • Physiologie animale, toxicologie
  • Métastases et progression du cancer
  • Mécanismes de la carcinogenèse
  • Thérapeutique et mise au point de médicaments contre le cancer
  • Diagnostic du cancer
  • Cibles moléculaires du cancer
  • Tumeurs cancéreuses solides
  • Cancer pédiatrique
  • Différences sexuelles dans les cellules, les tissus et les animaux
  • Développement humain et organogenèse

Projets de recherche en cours

  • Unravelling the role of primary cilia in prostate cancer initiation and progression - Instituts de recherche en santé du Canada - Subvention Projet, co-chercheur - 2023-04-01 au 2028-03-31
  • Understanding mitochondrial metabolism to identify prostate cancer metabolic vulnerabilities - Instituts de recherche en santé du Canada - Subvention Projet, chercheur principal - 2022-10-01 au 2027-09-30
  • Building a lab-on-a-chip device for the diagnosis of prostate cancer - Secrétariat des programmes interorganismes à l’intention des établissements - Fonds Nouvelles frontières en recherche - Volet Exploration, chercheur principal - 2025-03-31 au 2027-03-30
  • Système de bloc chauffant - Fondation du CHU de Québec - Excellence en recherche - Projets d'envergure, chercheur principal - 2025-02-27 au 2027-02-26
  • Support pour un projet structurant sur les cancers du cerveau - CHU de Québec – Université Laval – CHUL - Excellence en recherche - Projets d'envergure, co-chercheur - 2024-11-15 au 2026-11-16
  • Impact of 2-hydroxyglutarate-induced astrocytes reactivity in low-grade glioma progression and recurrence - Société de recherche sur le cancer - Subvention de fonctionnement, co-chercheur - 2024-09-01 au 2026-08-31
  • Targeting the sonic hedgehog medulloblastoma metabolic program for therapeutic purposes - Société de recherche sur le cancer - Subvention de fonctionnement, chercheur principal - 2024-09-01 au 2026-08-31
  • Mitochondria bound to lipid droplets as new regulators of insulin resistance - Diabète Canada - Subvention de fonctionnement : Mettre fin au diabète prix 2022, co-chercheur - 2022-12-01 au 2025-11-30
  • Microfluidic-based detection of citrate levels in human semen - Conseil de recherches en sciences naturelles et génie Canada - Subventions Alliance - Internationale - Catalyseur, chercheur principal - 2024-09-02 au 2025-09-01
  • Targeting the prostate cancer metabolic program established upon loss of the KLF5 gene - Société de recherche sur le cancer - Subvention de fonctionnement, chercheur principal - 2023-09-01 au 2025-08-31
  • Amino acid neurotransmitter reprogramming of the tumour microenvironment and metabolism in glioblastoma - Société de recherche sur le cancer - Subvention de fonctionnement, co-chercheur - 2023-09-01 au 2025-08-31
  • Canada Research Chair in Targeting metabolic vulnerabilities for the treatment of hormone-sensitive cancers - Instituts de recherche en santé du Canada - Chaires de recherche du Canada - Fonctionnement, chercheur principal - 2020-07-01 au 2025-06-30
  • Hydrochlorothiazide and accelerated CKD-related vascular calcification - Fondation canadienne du rein - Subventions de recherche en santé des reins, co-chercheur - 2023-07-01 au 2025-06-30

Financements des 2 dernières années

  • Approche novatrice pour l'étude du lait maternel en contexte de diabète gestationnel : Utilisation d'un modèle d’organoïdes de la glande mammaire - Fondation de la recherche pédiatrique, Fonds de recherche du Québec - Santé - Initiative structurante intercentre, co-chercheur - 2024-01-31 au 2025-03-31
  • Impact des perturbations endocriniennes sur le métabolisme de la prostate - Université Laval - Fonds internes - BDR - Contributions, chercheur principal - 2023-12-07 au 2024-12-31
  • Utilisation de modèles d'organoïdes de la glande mammaire pour l'étude du lait maternel en contexte de diabète gestationnel - Université Laval - Fonds internes - BDR - Contributions, co-chercheur - 2023-12-07 au 2024-12-31
  • Regulation of Cellular Energy Metabolism in Mammary Epithelial Cells - Conseil de recherches en sciences naturelles et génie Canada, Secrétariat Inter-Conseils (Canada) (CRSH, CRSNG, IRSC) - Subventions à la découverte SD (individuelles et d'équipe), chercheur principal - 2019-04-01 au 2024-03-31
  • Génomique fonctionnelle des récepteurs aux hormones stéroïdiennes dans le contrôle du métabolisme énergétique des cellules de cancer de la prostate - Fonds de recherche du Québec - Santé - Établissement de jeunes chercheurs - Juniors 1, chercheur principal - 2019-07-01 au 2023-06-30
  • What are my options? A feasibility study of a personalized primary prevention strategy for women and men at high risk of breast and prostate cancer - Instituts de recherche en santé du Canada, Fondation du cancer du sein du Québec, Société canadienne du cancer - Initiative SCC/IC-IRSC en prévention primaire du cancer, co-chercheur - 2022-01-15 au 2023-01-14

Publications

  • Circulating estrogens in endometrial cancer cases and their relationship with tissular expression of key estrogen biosynthesis and metabolic pathways., Guillemette C, Bélanger A, Villeneuve L, Caron P, Brisson J, Ayotte P, Ménard V, Plante M, Têtu B, Grégoire J, Audet-Walsh E, Lépine J, The Journal of clinical endocrinology and metabolism, 2010, 10.1210/jc.2010-2648
  • Functional genomic studies reveal the androgen receptor as a master regulator of cellular energy metabolism in prostate cancer., Audet-Walsh É, Poluri RTK, Gonthier K, The Journal of steroid biochemistry and molecular biology, 2019, 10.1016/j.jsbmb.2019.04.016
  • Reprogramming of Isocitrate Dehydrogenases Expression and Activity by the Androgen Receptor in Prostate Cancer., Audet-Walsh É, Tadros M, Weidmann C, Poluri RTK, Gonthier K, Molecular cancer research : MCR, 2019, 10.1158/1541-7786.mcr-19-0020
  • Prostate cancer resistance leads to a global deregulation of translation factors and unconventional translation., Hussein SMI, Mazroui R, Toren P, Lambert JP, Audet-Walsh E, Zoubeidi A, Gris T, Paquette V, Grenier St-Sauveur V, Joncas FH, Adjibade P, Khelifi G, Lelong EIJ, NAR cancer, 2022, 10.1093/narcan/zcac034
  • Preclinical models of prostate cancer - modelling androgen dependency and castration resistance in vitro, ex vivo and in vivo., Audet-Walsh É, Pouliot F, Paquette JS, Neveu B, Paquette V, Lafront C, Germain L, Nature reviews. Urology, 2023, 10.1038/s41585-023-00726-1
  • Variations in Human Milk Metabolites After Gestational Diabetes: Associations with Infant Growth, Julie Robitaille, Etienne Audet-Walsh, Alain Doyen, Julie Perron, Camille Dugas, Laurie-Anne Laroche, Line Berthiaume, Alice Fradet, Nutrients, 2025, 10.3390/nu17091466
  • Editorial: AMPK and mTOR Beyond Signaling: Emerging Roles in Transcriptional Regulation., Viollet B, Vernier M, Audet-Walsh É, Frontiers in cell and developmental biology, 2020, 10.3389/fcell.2020.641552
  • The impact of germline genetic variations in hydroxysteroid (17-beta) dehydrogenases on prostate cancer outcomes after prostatectomy., Lévesque É, Guillemette C, Douville P, Fradet V, Fradet Y, Lacombe L, Bellemare J, Audet-Walsh É, European urology, 2011, 10.1016/j.eururo.2011.12.021
  • Molecular markers in key steroidogenic pathways, circulating steroid levels, and prostate cancer progression., Guillemette C, Caron P, Yu CC, Huang CY, Laverdière I, Rouleau M, Fradet Y, Bao BY, Lacombe L, Audet-Walsh É, Huang SP, Lévesque É, Clinical cancer research : an official journal of the American Association for Cancer Research, 2012, 10.1158/1078-0432.ccr-12-2812
  • Chronic AMPK activation via loss of FLCN induces functional beige adipose tissue through PGC-1α/ERRα., Pause A, Giguère V, St-Pierre J, Baba M, Walker B, Dufour CR, Manteghi S, Audet-Walsh É, Yan M, Genes & development, 2016, 10.1101/gad.281410.116
  • The Longevity Protein Klotho: A Promising Tool to Monitor Lifestyle Improvements, Angelo Tremblay, Alfred-Kodjo Toi, Jean-Philippe Drouin-Chartier, Virginie Blanchette, Etienne Audet-Walsh, Julie-Alexandra Moulin, Pierre Cordeau, Caroline Rhéaume, Jean-Sébastien Paquette, Metabolites, 2023, 10.3390/metabo13111157
  • Using Omics to better understand steroid biosynthesis, metabolism, and functions., Lin SX, Wang XQ, Audet-Walsh É, The Journal of steroid biochemistry and molecular biology, 2020, 10.1016/j.jsbmb.2020.105686
  • Inverse Regulation of DHT Synthesis Enzymes 5α-Reductase Types 1 and 2 by the Androgen Receptor in Prostate Cancer., Giguère V, Tam IS, Yee T, Audet-Walsh É, Endocrinology, 2017, 10.1210/en.2016-1926
  • The UGT1 locus is a determinant of prostate cancer recurrence after prostatectomy., Guillemette C, Lévesque É, Lacombe L, Fradet Y, Caron P, Audet-Walsh É, Flageole C, Laverdière I, Endocrine-related cancer, 2014, 10.1530/erc-14-0423
  • Inhibition of DNMT1 and ERRα crosstalk suppresses breast cancer via derepression of IRF4., Giguère V, St-Pierre J, Audet-Walsh E, Wan L, Dufour CR, McGuirk S, Vernier M, Oncogene, 2020, 10.1038/s41388-020-01438-1
  • The PGC-1α/ERRα Axis Represses One-Carbon Metabolism and Promotes Sensitivity to Anti-folate Therapy in Breast Cancer., St-Pierre J, Giguère V, Bourque G, Caron M, Bridon G, Yee T, Gravel SP, Papadopoli DJ, Audet-Walsh É, Cell reports, 2016, 10.1016/j.celrep.2015.12.086
  • Glucocorticoids and phenobarbital induce murine CYP2B genes by independent mechanisms., Anderson A, Auclair-Vincent S, Audet-Walsh E, Expert opinion on drug metabolism & toxicology, 2009, 10.1517/17425250903234709
  • UGT2B28 accelerates prostate cancer progression through stabilization of the endocytic adaptor protein HIP1 regulating AR and EGFR pathways., Lévesque E, Aprikian A, Latour M, Barrès V, Ouellet V, Simonyan D, Villeneuve L, Wagner A, Émond JP, Beillevaire D, Mehdi S, Brisson H, Hovington H, Lacombe L, Cancer letters, 2022, 10.1016/j.canlet.2022.215994
  • Fatty acid oxidation enzyme Δ3, Δ2-enoyl-CoA isomerase 1 (ECI1) drives aggressive tumor phenotype and predicts poor clinical outcome in prostate cancer patients., Lapointe J, Chevalier S, Aprikian AG, Divangahi M, Brimo F, Hamel L, Scarlata E, Pernet E, Kassem O, Rouzbeh S, Audet-Walsh É, Guérard KP, Bramhecha YM, Oncogene, 2022, 10.1038/s41388-022-02276-z
  • An Aminosteroid Derivative Shows Higher In Vitro and In Vivo Potencies than Gold Standard Drugs in Androgen-Dependent Prostate Cancer Models, Etienne Audet-Walsh, Cindy Weidmann, rene maltais, Jenny Roy, Donald Poirier, Cancers, 2023, 10.3390/cancers15113033
  • The CYP2B2 5' flank contains a complex glucocorticoid response unit., Anderson A, Lachaud AA, Audet-Walsh E, Biochemical pharmacology, 2008, 10.1016/j.bcp.2008.08.015
  • Dexamethasone induction of murine CYP2B genes requires the glucocorticoid receptor., Anderson A, Audet-Walsh E, Drug metabolism and disposition: the biological fate of chemicals, 2008, 10.1124/dmd.108.022772
  • RNA sequencing data of human prostate cancer cells treated with androgens., Audet-Walsh É, Droit A, Beauparlant CJ, Poluri RTK, Data in brief, 2019, 10.1016/j.dib.2019.104372
  • Profiling endogenous serum estrogen and estrogen-glucuronides by liquid chromatography-tandem mass spectrometry., Guillemette C, Bélanger A, Lépine J, Audet-Walsh E, Caron P, Analytical chemistry, 2009, 10.1021/ac9019126
  • Estrogen-related receptors are targetable ROS sensors., Giguère V, Audet-Walsh E, St-Pierre J, Park M, Kuasne H, Bourmeau G, Li X, Scholtes C, McGuirk S, Dufour CR, Vernier M, Genes & development, 2020, 10.1101/gad.330746.119
  • A Systematic Study of the Impact of Estrogens and Selective Estrogen Receptor Modulators on Prostate Cancer Cell Proliferation., Audet-Walsh É, Weidmann C, Germain L, Lafront C, Scientific reports, 2020, 10.1038/s41598-020-60844-3
  • Impacts of endocrine-disrupting chemicals on prostate function and cancer., Audet-Walsh É, Pelletier M, Peillex C, Lafront C, Lacouture A, Environmental research, 2021, 10.1016/j.envres.2021.112085
  • Androgen-Dependent Repression of ERRγ Reprograms Metabolism in Prostate Cancer., Giguère V, St-Pierre J, Ouellet C, Vernier M, McGuirk S, Yee T, Audet-Walsh É, Cancer research, 2016, 10.1158/0008-5472.can-16-1204
  • Correlation between prostate volume and single nucleotide polymorphisms implicated in the steroid pathway., Cancel-Tassin G, Lévesque E, Cussenot O, Guillemette C, Chanock S, Cormier L, Roupret M, Azzouzi AR, Fournier G, Valeri A, Bigot P, Drouin S, Audet-Walsh E, Cornu JN, World journal of urology, 2016, 10.1007/s00345-016-1869-4
  • FACS-Free isolation and purification protocol of mouse prostate epithelial cells for organoid primary culture., Audet-Walsh É, Jobin C, Weidmann C, Lacouture A, Frégeau-Proulx L, MethodsX, 2022, 10.1016/j.mex.2022.101843
  • Role of Secreted Frizzled-Related Protein 1 in Early Breast Carcinogenesis and Breast Cancer Aggressiveness, Francine Durocher, Caroline Diorio, Etienne Audet-Walsh, Annick Michaud, Geneviève Ouellette, Juliette Bherer, Aurélie Lacouture, Alisson Clemenceau, Cancers, 2023, 10.3390/cancers15082251
  • Integrated multi-omics analysis of adverse cardiac remodeling and metabolic inflexibility upon ErbB2 and ERRα deficiency., Giguère V, Smith HW, Guluzian C, Sanguin-Gendreau V, Zuo D, Ouellet C, Scholtes C, Dejgaard K, Gainullina A, Kuzmanov U, Perry MC, B'chir W, Xia H, Dufour CR, Communications biology, 2022, 10.1038/s42003-022-03942-4
  • Profiling of endogenous estrogens, their precursors, and metabolites in endometrial cancer patients: association with risk and relationship to clinical characteristics., Guillemette C, Bélanger A, Villeneuve L, Brisson J, Ayotte P, Têtu B, Caron P, Plante M, Grégoire J, Lépine J, Audet-Walsh E, The Journal of clinical endocrinology and metabolism, 2010, 10.1210/jc.2010-2050
  • Deletions of the androgen-metabolizing UGT2B genes have an effect on circulating steroid levels and biochemical recurrence after radical prostatectomy in localized prostate cancer., Lévesque E, Guillemette C, Lacombe L, Fradet Y, Caron P, Douville P, Bao BY, Huang SP, Flageole C, Audet-Walsh É, Nadeau G, Bellemare J, The Journal of clinical endocrinology and metabolism, 2011, 10.1210/jc.2011-1049
  • A FACS-Free Purification Method to Study Estrogen Signaling, Organoid Formation, and Metabolic Reprogramming in Mammary Epithelial Cells., Audet-Walsh É, Pelletier M, Laverdière I, Bastien D, Berthiaume L, Weidmann C, Jobin C, Lacouture A, Frontiers in endocrinology, 2021, 10.3389/fendo.2021.672466
  • Loss of hepatic Flcn protects against fibrosis and inflammation by activating autophagy pathways., Pause A, Audet-Walsh É, Siegel PM, Estall JL, Giguère V, Pacis A, Jeong H, Dufour CR, Biondini M, El-Houjeiri L, Ramírez-Reyes JMJ, Yan M, Paquette M, Scientific reports, 2021, 10.1038/s41598-021-99958-7
  • SREBF1 Activity Is Regulated by an AR/mTOR Nuclear Axis in Prostate Cancer., Giguère V, Chen Y, Li S, Laflamme C, Yee T, Vernier M, Audet-Walsh É, Molecular cancer research : MCR, 2018, 10.1158/1541-7786.mcr-17-0410
  • Genomic Deletion at 10q23 in Prostate Cancer: More Than PTEN Loss?, Audet-Walsh É, Poluri RTK, Frontiers in oncology, 2018, 10.3389/fonc.2018.00246
  • A Nutrient-Based Cellular Model to Characterize Acetylation-Dependent Protein-Protein Interactions., Lambert JP, Audet-Walsh É, Linteau N, Noufi C, Gonthier K, Kougnassoukou Tchara PE, Loehr J, Frontiers in molecular biosciences, 2022, 10.3389/fmolb.2022.831758
  • Multiple metabolic pathways fuel the truncated tricarboxylic acid cycle of the prostate to sustain constant citrate production and secretion., Audet-Walsh É, Fradet Y, Bergeron A, Bastien D, Jobin C, Neveu B, Pelletier JF, Gonthier K, Harvey M, Weidmann C, Berthiaume L, Lacouture A, Frégeau-Proulx L, Molecular metabolism, 2022, 10.1016/j.molmet.2022.101516
  • Alternative promoters control UGT2B17-dependent androgen catabolism in prostate cancer and its influence on progression., Guillemette C, Droit A, Leclercq M, Villeneuve L, Caron P, Turcotte V, Brisson H, Rouleau M, Melo-Garcia L, Allain ÉP, Hovington H, Labriet A, Lévesque E, British journal of cancer, 2020, 10.1038/s41416-020-0749-2
  • Steroidogenic germline polymorphism predictors of prostate cancer progression in the estradiol pathway., Guillemette C, Lacombe L, Fradet Y, Rouleau M, Caron P, Audet-Walsh E, Laverdière I, Lévesque E, Clinical cancer research : an official journal of the American Association for Cancer Research, 2014, 10.1158/1078-0432.ccr-13-2567
  • KLF5 and NFYA factors as novel regulators of prostate cancer cell metabolism., Audet-Walsh É, Pelletier M, Guillemette C, Droit A, Weidmann C, Joly-Beauparlant C, Lafront C, Allain ÉP, Paquette V, Poluri RTK, Endocrine-related cancer, 2021, 10.1530/erc-20-0504
  • Low expression of PGC-1β and other mitochondrial biogenesis modulators in melanoma is associated with growth arrest and the induction of an immunosuppressive gene expression program dependent on MEK and IRF-1., Gravel SP, Audet-Walsh É, Méribout N, Salazar A, Coutu-Beaudry K, Laurin KM, Cancer letters, 2022, 10.1016/j.canlet.2022.215738
  • Alternative splicing regulation by the androgen receptor in prostate cancer cells., Audet-Walsh É, Weidmann C, Karthik Poluri RT, Beaudette J, Lafront C, Germain L, The Journal of steroid biochemistry and molecular biology, 2020, 10.1016/j.jsbmb.2020.105710
  • The multiple universes of estrogen-related receptor α and γ in metabolic control and related diseases., Giguére V, Audet-Walsh É, Acta pharmacologica Sinica, 2014, 10.1038/aps.2014.121
  • Nuclear mTOR acts as a transcriptional integrator of the androgen signaling pathway in prostate cancer., Giguère V, Aprikian AG, Brimo F, Hamel L, Scarlata E, Bourque G, Caron M, Vernier M, Kalloghlian G, Yan M, Zouanat FZ, Yee T, Dufour CR, Audet-Walsh É, Genes & development, 2017, 10.1101/gad.299958.117
  • Werner's syndrome helicase participates in transcription of phenobarbital-inducible CYP2B genes in rat and mouse liver., Anderson A, Lebel M, Audet-Walsh E, Massip L, Auclair-Vincent S, Lachaud AA, Biochemical pharmacology, 2009, 10.1016/j.bcp.2009.09.002
  • SRD5A polymorphisms and biochemical failure after radical prostatectomy., Lévesque E, Guillemette C, Girard H, Douville P, Bao BY, Huang SP, Fradet V, Fradet Y, Lacombe L, Nadeau G, Bellemare J, Audet-Walsh E, European urology, 2011, 10.1016/j.eururo.2011.06.020

Contribution à l'enseignement aux cycles supérieurs

Étudiant(e)s dirigé(e)s*

Depuis 2020/05
  • Aurélie Laurine Aloïs Grange - Doctorat - En cours
  • Louis Olivier Francois Freville - Doctorat - En cours
  • Dina Irsenco - Maîtrise avec mémoire - En cours
  • Maxime Labroy - Maîtrise avec mémoire - En cours
  • Lucas Galey - Doctorat - En cours
  • Alice Fradet - Doctorat - En cours
  • Lucas Germain - Doctorat - En cours
  • Heitor Cappato Guerra Silva - Doctorat - En cours
  • Mame Sokhna Sylla - Maîtrise avec mémoire - En cours
  • Raghavendra Tejo Karthik Poluri - Maîtrise avec mémoire - 2020/05
  • Camille Lafront - Maîtrise avec mémoire - 2020/09
  • Virginie Paquette - Maîtrise avec mémoire - 2022/05
  • Lilianne Frégeau-Proulx - Maîtrise avec mémoire - 2022/09
  • Aurélie Lacouture - Maîtrise avec mémoire - 2022/09
  • Kevin Gonthier - Doctorat - 2023/05
  • Marie-Kim St-Pierre - Doctorat - 2023/05
  • Cynthia Jobin - Maîtrise avec mémoire - 2024/01

Encadrement d'étudiant(e)s

Direction de recherche dans les domaines suivants :

  • 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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