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논문 기본 정보

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학술저널
저자정보
Kimura Soichiro (Hospital Pharmacy, Josai University) Morimoto Keiko (Hospital Pharmacy, Josai University) Okamoto Hiroshi (Hospital Pharmacy, Josai University) Ueda Hideo (Hospital Pharmacy, Josai University) Kobayashi Daisuke (Hospital Pharmacy, Josai University, Research Institute of TTS Technology) Kobayashi Jun (Pathology Analysis, Faculty of Pharmaceutical Sciences, Josai University) Morimoto Yasunori (Hospital Pharmacy, Josai University, Research Institute of TTS Technology)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제29권 제5호
발행연도
2006.1
수록면
424 - 429 (6page)

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In the present study, a human mammary epithelial cell (HMEC) culture model was developed to evaluate the potential involvement of carrier-mediated transport systems in drug transfer into milk. Trypsin-resistant HMECs were seeded on $Matrigel^{circledR}-coated$ filters to develop monolayers of functionally differentiated HMEC. Expression of the specific function of HMEC monolayers was dependent of the number of trypsin treatments. Among the monolayers with different numbers of treatment (treated 1 to 3 times), the monolayer treated 3 times (3-t-HMEC monolayer) showed the highest maximal transepithelial resistance and expression of $\beta-casein$ mRNA as an index of differentiation. Transport of tetraethylammonium (TEA) across the 3-t-HMEC monolayer in the basolateral-to-apical direction was significantly higher than that in the apical-to-basolateral direction (p<0.05), whereas such directionality was not observed for p-aminohippurate, suggesting the existence of organic cation transporters, but not organic anion transporters. In fact, expression of mRNAs of human organic cation transporter (OCT) 1 and 3 were detected in the 3-t-HMEC monolayer. These results indicate that the 3-t-HMEC monolayer is potentially useful for the evaluation of carrier-mediated secretion of drugs including organic cations into human milk.

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