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Research in Pharmaceutical Sciences، جلد ۵، شماره ۲، صفحات ۹۹-۰
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عنوان انگلیسی Evidence of active transport involvement in morphine transport via MDCKII and MDCK-PGP cell lines
چکیده انگلیسی مقاله Several transporters appear to be important in transporting various drugs. Many patients, who receive morphine as analgesic medication, also receive other medications with potency of changing morphine transport by affecting P-glycoprotein (P-GP) and oatp2 transport system. This could influence morphine pharmacokinetics and pharmacodynamics. The aim of present study was to elucidate the transport mechanisms involved in transporting morphine via MDCKII and MDCK-PGP cells. Morphine permeability was examined in the presence of various compounds with ability in inhibiting different transport systems including: digoxin, probenecid and d- glucose. The effect of morphine concentration changes on its transport was also examined. Morphine concentration was measured using HPLC with electrochemical detector. Morphine permeability via a MDCK II cells was greater than sucrose permeability, and reduced when a P-GP expressed cell line was used. Its permeability was increased significantly in the presence of a strong P-GP inhibitor. Morphine permeability decreased significantly in the presence of digoxin but not in the presence of d-glucose or probenecid. These results showed that morphine was a P-GP substrate, and digoxin related transporters such as oatp2 were involved in its transport. Morphine was not substrate for glucose or probenecid-sensitive transporters.
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نویسندگان مقاله so مشایخی | so mashayekhi


mr ستاری | mr sattari


pa routledge | pa routledge


نشانی اینترنتی http://rps.mui.ac.ir/index.php/jrps/article/view/125
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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