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pubmed:abstractText |
Transporter proteins known to mediate multidrug resistance (MDR) in tumour cells--MDR1 P-glycoprotein (P-gp) and multidrug resistance related protein 1 (MRP1)--are thought to be involved in protecting the lungs against inhaled toxic pollutants. Recently, several new transporter family members have been identified--for example, MRP2, MRP3, and breast cancer resistance protein (BCRP). To study the possible contribution of these proteins and the earlier defined MDR1 and MDR3 P-gp molecules, MRP1, and the major vault protein (MVP) to lung functioning, their expression was analysed in normal lung tissue of humans and several animal species.
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