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<title lang=en>beta 2-adrenergic receptor-mediated in vitro regulation of human hepatic drug transporter expression by epinephrine</title>
<creator>Mayati, Abdullah</creator>
<creator>Moreau, Amélie</creator>
<creator>Denizot, Claire</creator>
<creator>Stieger, Bruno</creator>
<creator>Parmentier, Yannick</creator>
<creator>Fardel, Olivier</creator>
<contributor>Institut de recherche, santé, environnement et travail [Rennes] (Irset) ; Université d'Angers (UA) - Université des Antilles et de la Guyane (UAG) - Université de Rennes 1 (UR1) - École des Hautes Études en Santé Publique [EHESP] (EHESP) - Institut National de la Santé et de la Recherche Médicale (INSERM) - Structure Fédérative de Recherche en Biologie et Santé de Rennes ( Biosit : Biologie - Santé - Innovation Technologique )</contributor>
<contributor>Technologie Servier</contributor>
<contributor>Division of Clinical Pharmacology and Toxicology ; University hospital of Zurich [Zurich]</contributor>
<contributor>CHU Pontchaillou [Rennes]</contributor>
<description>International audience</description>
<source>ISSN: 0928-0987</source>
<source>European Journal of Pharmaceutical Sciences</source>
<publisher>Elsevier</publisher>
<identifier>hal-01578583</identifier>
<identifier>https://hal-univ-rennes1.archives-ouvertes.fr/hal-01578583</identifier>
<identifier>https://hal-univ-rennes1.archives-ouvertes.fr/hal-01578583/file/Mayati%20et%20al.%20-%20%CE%B22-adrenergic%20receptor-mediated%20in%20vitro%20regulatio.pdf</identifier>
<source>https://hal-univ-rennes1.archives-ouvertes.fr/hal-01578583</source>
<source>European Journal of Pharmaceutical Sciences, Elsevier, 2017, 106, pp.302--312. 〈10.1016/j.ejps.2017.06.010〉</source>
<identifier>DOI : 10.1016/j.ejps.2017.06.010</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.ejps.2017.06.010</relation>
<identifier>PUBMED : 28603032</identifier>
<relation>info:eu-repo/semantics/altIdentifier/pmid/28603032</relation>
<language>en</language>
<subject lang=en>epinephrine</subject>
<subject lang=en> drug transporters</subject>
<subject lang=en> hepatocyte</subject>
<subject lang=en> beta 2-adrenoreceptor</subject>
<subject lang=en> camp</subject>
<subject>[SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The catecholamine epinephrine is known to repress expression of hepatic drug metabolizing enzymes such as cytochromes P-450. The present study was designed to determine whether epinephrine may also target expression of main hepatic drug transporters, that play a major role in liver detoxification and are commonly coordinately regulated with drug detoxifying enzymes. Treatment of primary human hepatocytes with 10 mu M epinephrine for 24 h repressed mRNA expression of various transporters, such as the sinusoidal influx transporters NTCP, OATP1B1, OATP2B1, OAT2, OAT7 and OCT1 and the efflux transporters MRP2, MRP3 and BSEP, whereas it induced that of MDR1, but failed to alter that of BCRP. Most of these changes in transporter mRNA levels were also found in epinephrine-exposed human highly-differentiated hepatoma HepaRG cells, which additionally exhibited reduced protein expression of OATP2B1 and MRP3, increased expression of P-glycoprotein and decreased transport activity of NTCP, OATPs and OCT1. Epinephrine effects towards transporter mRNA expression in human hepatocytes were next shown to be correlated to those of the selective beta 2-adrenoreceptor (ADR) agonist fenoterol, of the adenylate cyclase activator forskolin and of the cAMP analogue 8-bromo-cAMP. In addition, the non-selective beta-ADR antagonist carazolol and the selective beta 2-ADR antagonist ICI-118,551, unlike the alpha-ADR antagonist phentolamine, suppressed epinephrine -mediated repressions of transporter mRNA expression. Taken together, these data indicate that epinephrine regulates in vitro expression of main hepatic drug transporters in a beta 2-ADR/adenylate cyclase/cAMP-dependent manner. Hepatic drug transport appears therefore as a target of the beta 2-adrenergic system, which may have to deserve attention for drugs interacting with beta 2-ADRs.</description>
<contributor>Centre de Ressources Biologiques (CRB) Santé of Rennes</contributor>
<date>2017</date>
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