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TitleBiochemical Modulation of Anticancer Agents: Experimental and Clinical Approaches [electronic resource] : Proceedings of the 18th Annual Detroit Cancer Symposium Detroit, Michigan, USA โ{128}{148} June 13-14, 1986 / edited by Frederick A. Valeriote, Laurence H. Baker
ImprintBoston, MA : Springer US, 1986
Connect tohttp://dx.doi.org/10.1007/978-1-4613-2331-0
Descript XVIII, 350 p. online resource

SUMMARY

Biochemical Modulation at the present time defines an area of study in which the intracellular metabolism of a given antiยญ cancer agent is modulated (usually by a noncytotoxic agent or a cytotoxic agent at sufficiently low dosage to make it nonยญ cytotoxic) in order to either increase the effectiveness of the particular agent against tumor cells or decrease its cytotoxยญ icity against normal cells. The major focus of modulation has been the agents 5-fluorouracil (FUra), arabinofuranosylcytosine (ara-C), methotrexate (MTX) and a few alkylating agents. The major thrust of the studies has been to increase the flow of the anticancer agent along the pathway responsible for the formation of the cytotoxic species: for example, FUra to FUTP or ara-C to ara-CTP. While in most cases the application of research reยญ sults to clinical trials does not require the subsequent experยญ tise of the laboratory researchers, application of biochemical modulatory schemes to clinical protocols necessitate a dramatic break with the past procedures. As shown in the laboratoryยญ clinical loop below, close collaboration between the laboratory and clinical investigator is essential. While the laboratory REDEFINE TECHNOLOGY, TESTS OR QUESTIONS FOR FURTHER THERAPEUTIC ADVANCE CLINICAL EXPERIMENTAL PROTOCOL (LABORATORY) RESEARCH STUDIES DEFINE AND TEST APPROPRIATE SCIENTIFIC PARAMETERS results define rationally-based regimens, it is essential that the clinical protocols contain the requirement that clinical material (either tumor or normal tissues) be sampled to deterยญ mine whether the biochemical modulation being proposed is in fact beinq accomplished


CONTENT

1. Biochemical Modulation of Anticancer Agents: An Overview -- 2. Biochemical Loci for Modulation of 5-Fluorouracil Activity -- 3. Biochemical Modulation of 5-Fluorouracil with Pyrimidines, Purines and their Nucleosides -- 4. Biochemical Modulation of Pyrimidine Pools for Enhancement of Antipyrimidine Cytotoxicity -- 5. Modulation of 5-Fluorouracil Cytotoxicity by Intracellular Pools of 5-Phosphoribosyl-1-Pyrophosphate (PRPP) -- 6. Biochemical Rationale for Selectivity in the Modulation of Methotrexate Activity During Leucovorin Rescue or Early Nucleoside Protection -- 7. Clinical Aspects of FUra Metabolism Brian Leyland-Jones and -- 8. Metabolic Modulation of Ara-C -- 9. Enhancement of Alkylating Agent Cytotoxicity by Radiation Sensitizers -- 10. Modulation of Alkylating Agents by Radiation Sensitizers โ{128}{148}Clinical Aspects -- 11. The Role of Cellular Glutathione in Response of Tumor Cells to Radiation and Drugs -- 12. Modulation of Intracellular Levels of Glutathione -- 13. Glutathione Depletion with Buthionine Sulfoximine: Potential Clinical Applications -- 14. Modification of Cell Sensitivity to Anticancer Agents by Polyenes -- 15. Modulation of the Efflux of Anticancer Agents -- 16. Problems in the Clinical Evaluation of Biochemical Modulation Therapy


Medicine Oncology Biochemistry Medicine & Public Health Oncology Biochemistry general



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