Többszörös gyógyszer-rezisztencia: Diagnosztikai megközelítések és nehézségek

Translated title of the contribution: Multidrug resistance: Diagnostic approaches and problems

Orsolya Rideg, Péter Csutora, Tamás Magyarlaki, Adrienn Teibert, Tamás Nagy, Kovács L. Gábor, Attila Miseta

Research output: Contribution to journalArticle

2 Citations (Scopus)


During the mid sixties scientists recognized that tumour cells can be resistant to a variety of chemotherapeutical drugs of different chemical structure simultaneosly. They named this phenomenon multidrug resistance (MDR). Following this observation, a number of in vitro and in vivo experiments proved that transmembrane proteins of the cell membrane are responsible for the mechanism. Many details of the underlying biochemical mechanisms were explored during the past decade. Nowadays the importance of MDR is well appreciated in different walks of medical science. MDR is an important problem during the treatment of many haematological conditions and solid organ tumors. Also, MDR is an important factor during immunsuppressant therapy of the transplanted patients. In spite of extensive research there are many uncertainaties around MDR. This brief review describes the present options in the investigation of MDR. Based upon the MDR genotyping and expression level the likelyhood of drug resistance may be predicted with reasonable accuracy. Additional information may be obtained by measuring the Pglycoprotein expression on the cell surface and the outward transport of test molecules from the cells. Although the tests described above provide significant help in predicting MDR or in the confirmation of existing MDR there is no consensus about the laboratory diagnosis.

Translated title of the contributionMultidrug resistance: Diagnostic approaches and problems
Original languageHungarian
Pages (from-to)995-1001
Number of pages7
JournalOrvosi hetilap
Issue number20
Publication statusPublished - Dec 1 2005

ASJC Scopus subject areas

  • Medicine(all)

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