Pharmaceutics 2012, 4(2), 314-333; doi:10.3390/pharmaceutics4020314
Article

Expression Profile of Drug and Nutrient Absorption Related Genes in Madin-Darby Canine Kidney (MDCK) Cells Grown under Differentiation Conditions

1 Drug Product Science and Technology, Bristol-Myers Squibb Company, 1 Squibb Drive, New Brunswick, NJ 08903, USA 2 Applied Genomics, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Hopewell, NJ 08534, USA Current address: Daiichi Sankyo, Edison, NJ 08903, USA. Current address: Merck and Company, West Point, PA, USA.
* Author to whom correspondence should be addressed.
Received: 7 April 2012; in revised form: 15 May 2012 / Accepted: 6 June 2012 / Published: 18 June 2012
(This article belongs to the Special Issue Oral and Buccal Drug Delivery)
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Abstract: The expression levels of genes involved in drug and nutrient absorption were evaluated in the Madin-Darby Canine Kidney (MDCK) in vitro drug absorption model. MDCK cells were grown on plastic surfaces (for 3 days) or on Transwell® membranes (for 3, 5, 7, and 9 days). The expression profile of genes including ABC transporters, SLC transporters, and cytochrome P450 (CYP) enzymes was determined using the Affymetrix® Canine GeneChip®. Expression of genes whose probe sets passed a stringent confirmation process was examined. Expression of a few transporter (MDR1, PEPT1 and PEPT2) genes in MDCK cells was confirmed by RT-PCR. The overall gene expression profile was strongly influenced by the type of support the cells were grown on. After 3 days of growth, expression of 28% of the genes was statistically different (1.5-fold cutoff, p < 0.05) between the cells grown on plastic and Transwell® membranes. When cells were differentiated on Transwell® membranes, large changes in gene expression profile were observed during the early stages, which then stabilized after 5–7 days. Only a small number of genes encoding drug absorption related SLC, ABC, and CYP were detected in MDCK cells, and most of them exhibited low hybridization signals. Results from this study provide valuable reference information on endogenous gene expression in MDCK cells that could assist in design of drug-transporter and/or drug-enzyme interaction studies, and help interpret the contributions of various transporters and metabolic enzymes in studies with MDCK cells.
Keywords: MDCK; microarray; Transwell® membranes; transporters; CYP enzymes

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MDPI and ACS Style

Quan, Y.; Jin, Y.; Faria, T.N.; Tilford, C.A.; He, A.; Wall, D.A.; Smith, R.L.; Vig, B.S. Expression Profile of Drug and Nutrient Absorption Related Genes in Madin-Darby Canine Kidney (MDCK) Cells Grown under Differentiation Conditions. Pharmaceutics 2012, 4, 314-333.

AMA Style

Quan Y, Jin Y, Faria TN, Tilford CA, He A, Wall DA, Smith RL, Vig BS. Expression Profile of Drug and Nutrient Absorption Related Genes in Madin-Darby Canine Kidney (MDCK) Cells Grown under Differentiation Conditions. Pharmaceutics. 2012; 4(2):314-333.

Chicago/Turabian Style

Quan, Yong; Jin, Yisheng; Faria, Teresa N.; Tilford, Charles A.; He, Aiqing; Wall, Doris A.; Smith, Ronald L.; Vig, Balvinder S. 2012. "Expression Profile of Drug and Nutrient Absorption Related Genes in Madin-Darby Canine Kidney (MDCK) Cells Grown under Differentiation Conditions." Pharmaceutics 4, no. 2: 314-333.

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