PTRF/cavin-1 is essential for multidrug resistance in cancer cells
Journal of Proteome Research, ISSN: 1535-3893, Vol: 12, Issue: 2, Page: 605-614
2013
- 44Citations
- 27Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations44
- Citation Indexes44
- 44
- CrossRef33
- Captures27
- Readers27
- 27
Article Description
Since detergent-resistant lipid rafts play important roles in multidrug resistance (MDR), their comprehensive proteomics could provide new insights to understand the underlying molecular mechanism of MDR in cancer cells. In the present work, lipid rafts were isolated from MCF-7 and adriamycin-resistant MCF-7/ADR cells and their proteomes were analyzed by label-free quantitative proteomics. Polymerase I and transcript release factor (PTRF)/cavin-1 was measured to be upregulated along with multidrug-resistant P-glycoprotein, caveolin-1, and serum deprivation protein response/cavin-2 in the lipid rafts of MCF-7/ADR cells. PTRF knockdown led to reduction in the amount of lipid rafts on the surface of MCF7/ADR cells as determined by cellular staining with lipid raft-specific dyes such as S-laurdan2 and FITC-conjugated cholera toxin B. PTRF knockdown also reduced MDR in MCF-7/ADR cells. These data indicate that PTRF is necessary for MDR in cancer cells via the fortification of lipid rafts. © 2012 American Chemical Society.
Bibliographic Details
American Chemical Society (ACS)
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