Expression of multidrug resistance proteins, P-gp, MRP1 and LRP, in soft tissue sarcomas analysed according to their histological type and grade

R Komdeur, B E C Plaat, W T A van der Graaf, H. J. Hoekstra, H Hollema, E. van den Berg, N Zwart, R J Scheper, W M Molenaar

OnderzoeksoutputAcademicpeer review

28 Citaten (Scopus)

Samenvatting

The biological behaviour of different histological types and grades of soft tissue sarcomas (STS) varies. This might result in a differing sensitivity to cytotoxic drugs. Cross-resistance to functionally and structurally distinct natural-product drugs, known as multidrug resistance (MDR), is associated with the overexpression of P-glycoprotein (P-gp), multidrug resistance-associated protein I (MRP1) and lung resistance-related protein (LRP). The purpose of this study was to evaluate the expression of P-gp, MRP1 and LRP in STS according to their histological type and grade. In 141 chemotherapy-naive STS patients, the expression of the three MDR proteins was detected by immunohistochemistry. Nine histological types were documented. These were 19% grade 1, 34% grade 2 and 47% grade 3 tumours. Expression of P-gp and LRP was observed more frequently than the expression of MRP1 (P

Originele taal-2English
Pagina's (van-tot)909-916
Aantal pagina's8
TijdschriftEuropean Journal of Cancer
Volume39
Nummer van het tijdschrift7
DOI's
StatusPublished - mei-2003

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