Výsledky vyhledávání - "Jonathan Bertin"

A sensitive, simple and robust LC–MS/MS method for the simultaneous quantification of seven androgen- and estrogen-related steroids in postmenopausal serum

Autor: Fernand Labrie, J. Simard, Renaud Gonthier, Jonathan Bertin, Yuyong Ke

Publikováno v: The Journal of Steroid Biochemistry and Molecular Biology. 144:523-534

Steroids were first analyzed by immunoassay-based methods followed by gas chromatography mass spectrometry (GC-MS or GC-MS/MS) with derivatization techniques since steroids are neutral and do not ionize at a high level using the electrospray ionizati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40317f1b951776f24eff1b2a73a3d85e
https://doi.org/10.1016/j.jsbmb.2014.08.015

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Localization of the Androgen‐Synthesizing Enzymes, Androgen Receptor, and Sex Steroids in the Vagina: Possible Implications for the Treatment of Postmenopausal Sexual Dysfunction

Autor: Johanne Ouellet, Georges Pelletier, Jonathan Bertin, Fernand Labrie, Alain Y. Dury

Publikováno v: The Journal of Sexual Medicine. 11:1949-1961

Introduction To better understand the mechanisms underlying the beneficial effects of the intravaginal administration of dehydroepiandrosterone (DHEA) observed in postmenopausal women on sexual dysfunction. Aims To identify the distribution of the an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eaa1690fe27db16bfbc1143723519c65
https://doi.org/10.1111/jsm.12589

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Exposure of human astrocytes to leukotriene C4 promotes a CX3CL1/fractalkine-mediated transmigration of HIV-1-infected CD4+ T cells across an in vitro blood–brain barrier model

Autor: Michel J. Tremblay, Marc-André Roy, Pascal Jalaguier, Jonathan Bertin, Corinne Barat

Publikováno v: Virology. :128-138

Eicosanoids, including cysteinylleukotrienes (cysLTs), are found in the central nervous system (CNS) of individuals infected with HIV-1. Few studies have addressed the contribution of cysLTs in HIV-1-associated CNS disorders. We demonstrate that cond

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Accurate and sensitive liquid chromatography/tandem mass spectrometry simultaneous assay of seven steroids in monkey brain

Autor: Fernand Labrie, Johanne Ouellet, Alain Y. Dury, Yuyong Ke, Jonathan Bertin

Publikováno v: Steroids. 98

Background Following its secretion mainly by the adrenal glands, dehydroepiandrosterone (DHEA) acts primarily in the cells/tissues which express the enzymes catalyzing its intracellular conversion into sex steroids by the mechanisms of intracrinology

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9d7d9963c38eae1bedcfc2d42cc949f
https://pubmed.ncbi.nlm.nih.gov/25697058

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WITHDRAWN: Sensitive and Accurate Simultaneous Measurement of Estrone, Estradiol, Dehydroepiandrosterone, Androst-5-ene-3 beta, 17 beta diol, Androstenedione, Testosterone and Dihydrotestosterone in Postmenopausal Women Serum by a Robust LC-MS/MS Validated Assay using a Single Sample Preparation Method

Autor: Renaud Gonthier, Jonathan Bertin, Fernand Labrie, J. Simard, Yuyong Ke

Publikováno v: Steroids.

This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpoli

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https://pubmed.ncbi.nlm.nih.gov/25159106

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Expression of the estrogen receptors and steroidogenic enzymes involved in estradiol formation in the monkey vagina

Autor: Johanne Ouellet, Georges Pelletier, Fernand Labrie, Jonathan Bertin, Alain Y. Dury

Publikováno v: American journal of obstetrics and gynecology. 211(5)

Objective Estrogens are well recognized to have beneficial effects on vulvovaginal atrophy because of menopause. The distribution of estrogen receptors and enzymes responsible for estradiol (E 2 ) formation within the vagina may provide insight into

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3eff9d43bde214225e357a7601003fc7
https://pubmed.ncbi.nlm.nih.gov/24928055

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Corrigendum to 'A sensitive, simple and robust LC–MS/MS method for the simultaneous quantification of seven androgen- and estrogen-related steroids in postmenopausal serum' [J. Steroid Biochem. Mol. Biol. 144 (2014) 523–534]

Autor: Yuyong Ke, Renaud Gonthier, J. Simard, Jonathan Bertin, Fernand Labrie

Publikováno v: The Journal of Steroid Biochemistry and Molecular Biology. 158:231

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cad347a2f98b3d044040f1938bba0c0b
https://doi.org/10.1016/j.jsbmb.2015.12.021

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Acquisition of host-derived CD40L by HIV-1 in vivo and its functional consequences in the B-cell compartment

Autor: Geneviève Martin, Michael Imbeault, Jonathan Bertin, Michel J. Tremblay, Michel Ouellet, Katia Giguère, Dave Bélanger

Publikováno v: Journal of virology. 85(5)

Aberrant activation of the B-cell compartment and hypergammaglobulinemia were among the first recognized characteristics of HIV-1-infected patients in the early 1980s. It has been demonstrated previously that HIV-1 particles acquire the costimulatory

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https://pubmed.ncbi.nlm.nih.gov/21177803

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Leukotrienes inhibit early stages of HIV-1 infection in monocyte-derived microglia-like cells

Autor: Dave Bélanger, Michel J. Tremblay, Corinne Barat, Jonathan Bertin

Publikováno v: Journal of Neuroinflammation
Journal of Neuroinflammation, Vol 9, Iss 1, p 55 (2012)

Background Microglia are one of the main cell types to be productively infected by HIV-1 in the central nervous system (CNS). Leukotriene B4 (LTB4) and cysteinyl-leukotrienes such as LTC4 are some of the proinflammatory molecules produced in infected

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