Fate of quinidine, a P-glycoprotein substrate, in the gastrointestinal tract after oral administration in rats

N Mori, T Yokooji, T Murakami - Die Pharmazie-An …, 2008 - ingentaconnect.com
P-Glycoprotein (P-gp), an ATP-dependent efflux transporter, is expressed in brush-border
membranes in the intestines of humans and rodents. In this study, the fate of quinidine, a P …

Absorption sites of orally administered drugs in the small intestine

T Murakami - Expert opinion on drug discovery, 2017 - Taylor & Francis
Introduction: In pharmacotherapy, drugs are mostly taken orally to be absorbed systemically
from the small intestine, and some drugs are known to have preferential absorption sites in …

Role of P‐glycoprotein as a secretory mechanism in quinidine absorption from rat small intestine

Y Emi, D Tsunashima, KI Ogawara… - Journal of …, 1998 - Wiley Online Library
The intestinal transport of quinidine was characterized in rat small intestine, using the
Ussing‐type chamber under short‐circuited conditions. In the short‐circuited condition …

A comprehensive account on the role of efflux transporters in the gastrointestinal absorption of 13 commonly used substrate drugs in humans.

WL Chiou, SM Chung, TC Wu, C Ma - International journal of clinical …, 2001 - europepmc.org
Background The potential absorption-limiting effect of intestinal efflux transporters such as P-
glycoprotein (P-gp) has been well recognized, primarily based on results of numerous Caco …

Intestinal permeability and presystemic extraction of fexofenadine and R/S-verapamil

C Tannergren - 2004 - diva-portal.org
Abstract Tannergren, C. 2004. Intestinal permeability and presystemic Extraction of
Fexofenadine and R/SYverapamil. Acta Universitatis Upsaliensis. Comprehensive …

Intestinal Absorption of Drugs Mediated by Drug Transporters: Mechanisms and Regulation

K Toshiya, I Ken-ichi - Drug Metabolism and Pharmacokinetics, 2003 - cir.nii.ac.jp
抄録 The absorption of drugs from the gastrointestinal tract is one of the important
determinants for oral bioavailability. Development of in vitro experimental techniques such …

Transport characteristics of fexofenadine in the Caco-2 cell model

N Petri, C Tannergren, D Rungstad… - Pharmaceutical …, 2004 - Springer
Purpose. To investigate the membrane transport mechanisms of fexofenadine in the Caco-2
model. Methods. Transport studies were performed in Caco-2 cell monolayers 21-25 days …

Transporter-mediated intestinal absorption of fexofenadine in rats

A Kikuchi, T Nozawa, T Wakasawa, T Maeda… - Drug metabolism and …, 2006 - Elsevier
Both influx and efflux transporters are thought to be involved in the intestinal absorption of
fexofenadine. The present study examined the influx transporter-mediated intestinal …

Characteristics of transport of fluoresceinated methotrexate in rat small intestine

J Nagakubo, T Tomimatsu, M Kitajima, H Takayama… - Life Sciences, 2001 - Elsevier
The small intestinal damage induced by the methotrexate (MTX) treatment results in
malabsorption and diarrhea. The fluoresceinated methotrexate (F-MTX) may possibly be …

Multiple transport mechanisms involved in the intestinal absorption and first‐pass extraction of fexofenadine

C Tannergren, N Petri, L Knutson… - Clinical …, 2003 - Wiley Online Library
Objective Our objective was to investigate the main in vivo transport mechanisms of
fexofenadine involved in the intestinal absorption and bioavailability of the drug in humans …