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Issue:
Intestinal first-pass effect: research advances
Author(s):
DENG Zuozuo
,
ZHUANG Xiaomei
,
LI Zuo
Pages:
269
-
272,275
Year:
2010
Issue:
4
Journal:
International Journal of Pharmaceutical Research
Keyword:
首过代谢
;
肠道代谢
;
Ⅰ相代谢
;
Ⅱ相代谢
;
Abstract:
肠道是口服药物的主要吸收器官,肠道上皮细胞中不仅存在大量影响药物吸收的转运体,还含有多种与肝脏中相同的代谢酶.此外,肠腔细菌丛中也含有大量代谢酶.这些因素使小肠成为肝外最重要的代谢器官.肠道对口服药物的首过代谢作用正逐渐被认识,其对口服药物的吸收和生物利用度的影响成为药物代谢性质评价的重要内容.本文概述了小肠上皮细胞中代谢酶的分布特点和含量,肠腔中菌丛的分布特点和所含代谢酶,并对药物肠道首过效应的...
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