Books > Medicine > Clinical & internal medicine > Diseases & disorders > Oncology
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The Expanding Role of Folates and Fluoropyrimidines in Cancer Chemotherapy (Paperback, 1988 ed.)
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The Expanding Role of Folates and Fluoropyrimidines in Cancer Chemotherapy (Paperback, 1988 ed.)
Series: Advances in Experimental Medicine and Biology, 244
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Total price: R1,623
Discovery Miles: 16 230
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Although 5-fluorouracil (Fura) is the drug of choice for the treat-
ment of patients with advanced colorectal cancer, this agent has
limited effectiveness with a reported response rate of 10-20% and a
duration of response of only 6-9 months. The large percentage of
treatment failures with this agent has spurred a continuing effort
to delineate the mechanism(s) of resistance to Fura and to evaluate
approaches that would selectively modulate the therapeutic efficacy
of this agent. The therapeutic efficacy of FUra has been attributed
to its selec- tive incorporation into RNA and to its inhibition of
thymidylate syn- thase, leading to potent inhibition of DNA
synthesis. Studies of cell lines in vitro and model systems in vivo
have demonstrated that although mechanism sensitivity and
resistanc; to Fura are multifactorial, in the presence of
citrovorum factor (CF, 5-formyltetrahydrofolate) the site of action
of Fura becomes predominantly the pronounced and pro- longed
inhibition of thymidylate synthase. This action is the result of
stabilization of the covalent ternary complex between FdUMP, an
active metabolite of FUra, 5,10-methylenetetrahydrofolates, and
thymidylate synthase. This effect of CF is thus an example of the
concept of meta- bolic modulation.
General
Imprint: |
Springer-Verlag New York
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Country of origin: |
United States |
Series: |
Advances in Experimental Medicine and Biology, 244 |
Release date: |
April 2012 |
First published: |
1988 |
Editors: |
Y. Rustum
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Dimensions: |
254 x 178 x 19mm (L x W x T) |
Format: |
Paperback
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Pages: |
336 |
Edition: |
1988 ed. |
ISBN-13: |
978-1-4684-5609-7 |
Categories: |
Books >
Medicine >
Clinical & internal medicine >
Diseases & disorders >
Oncology >
General
|
LSN: |
1-4684-5609-1 |
Barcode: |
9781468456097 |
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