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quarfloxacin A fluoroquinolone derivative with antineoplastic activity. Quarfloxin disrupts the interaction between the nucleolin protein and a G-quadruplex DNA structure in the ribosomal DNA (rDNA) template, a critical interaction for rRNA biogenesis that is overexpressed in cancer cells; disruption of this G-quadruplex DNA:protein interaction in aberrant rRNA biogenesis may result in the inhibition of ribosome synthesis and tumor cell apoptosis. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
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Code name: | ![](https://webarchive.library.unt.edu/web/20090509181519im_/http://www.cancer.gov/images/spacer.gif) | CX-3543 | | ![](https://webarchive.library.unt.edu/web/20090509181519im_/http://www.cancer.gov/images/spacer.gif) |
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Previous: | pyroxamide, pyruvate kinase inhibitor TLN-232, QS21, Quadramet, quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine | Next: | quinacrine dihydrochloride, Quinamed, quinidine, quinine, Quixin |
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