ArticleCytotechnology1998
The extended-MDR phenotype.
Article in Cytotechnology, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed.
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Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cellular models have made a significant contribution to our understanding of the molecular mechanisms of resistance to chemotherapeutic drugs. However the vast majority of these models involve cell sublines with high levels of resistance generated by continuous exposure to high drug doses, and although the majority express a multidrug resistance (MDR) phenotype, they fall short of the broader drug cross resistance that is characteristic of cancers which no longer respond to treatment. Several studies have reported cell sublines which not only have the MDR phenotype and are resistant to 'natural product' lipophilic drugs, but they are also resistant to alkylating agents and antimetabolites. A common feature of these sublines is they were generated by treatment with low, clinically relevant levels of drug given intermittently. The term extended-MDR has been used to describe this type of broad drug cross resistance. Here we review those factors that promote the development of extended-MDR, the characteristics of extended-MDR sublines and the possible resistance mechanisms involved.
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Registered trials
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