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Hyperthermia pp 177-184 | Cite as

Differential Response to Heat of Metastatic and Non-Metastatic Rat Mammary Tumors

  • Milton B. Yatvin
  • John Vorpahl
  • Untae Kim
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 157)

Abstract

Interest in the use of heat for cancer treatment has increased markedly in recent years (1–4). Information has accumulated that such hyperthermia causes a selective and irreversible inhibition of metabolism in certain animal and human tumors correlated to cell killing (5–8). It remains uncertain, however, whether and under which conditions heat exerts a specific influence on tumor tissue since much of the information available is based on cells cultured in vitro. Nevertheless, the potential application of hyperthermia in the treatment of cancer is extremely attractive since, with the exception of systemic chemotherapy, which is a notoriously blunt weapon, regional and whole body hyperthermia are the only treatment modalities presently available which could address the major problem of human cancer: the metastatic lesion. It is not known, however, whether metastasizing tumors are more susceptible to hyperthermic treatment than non-metastasizing ones, although in vitro studies are consistent with this possibility (9). The metastatic capacities of a tumor cell are related to its surface (10, 11) and one of the major mechanisms of action of hyperthermia is thought to act via the membrane (12, 13). It, therefore, was of interest to compare the membrane properties and heat sensitivity in two closely related tumor strains of which one metastasizes whereas the other does not.

Keywords

Arachidonic Acid Stearic Acid Fatty Acid Ester Heat Sensitivity Metastatic Capacity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • Milton B. Yatvin
    • 1
    • 2
  • John Vorpahl
    • 1
    • 2
  • Untae Kim
    • 1
    • 2
  1. 1.Department of Human Oncology, WCCCUniversity of WisconsinMadisonUSA
  2. 2.Department of PathologyRoswell Park Memorial InstituteBuffaloUSA

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