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Related Concept Videos

Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Cancer Prevention02:59

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
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Cancer Therapies

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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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An Immunofluorescent Method for Characterization of Barrett’s Esophagus Cells
08:54

An Immunofluorescent Method for Characterization of Barrett’s Esophagus Cells

Published on: July 20, 2014

Vitamin E and cancer.

Yesim Negis1, Jean Marc Zingg, Roksan Libinaki

  • 1Tufts University, Boston, Massachusetts 02111, USA.

Nutrition and Cancer
|February 16, 2010
PubMed
Summary
This summary is machine-generated.

Vitamin E’s protection against DNA mutations is ineffective. However, tocopherols slow cell proliferation in vitro, and tocopheryl phosphate may bridge the gap between lab findings and clinical outcomes.

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Area of Science:

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Background:

  • Vitamin E, particularly tocopherols, is known for its antioxidant properties.
  • In vitro studies suggest tocopherols can inhibit cell proliferation.
  • The clinical efficacy of vitamin E in preventing free radical damage remains debated.

Purpose of the Study:

  • To investigate the discrepancy between in vitro observations and clinical outcomes regarding vitamin E's protective effects.
  • To explore the potential of tocopheryl phosphate as a more effective derivative.

Main Methods:

  • Review of existing in vitro and clinical data on vitamin E and tocopherols.
  • Analysis of the biochemical properties of tocopheryl phosphate.

Main Results:

  • Vitamin E's protection against free radical-induced DNA mutations is not consistently effective.
  • In vitro evidence confirms that tocopherols inhibit cell proliferation.
  • Tocopheryl phosphate demonstrates enhanced activity and therapeutic potential.

Conclusions:

  • The observed in vitro effects of tocopherols on cell proliferation may not translate to clinical benefits.
  • Tocopheryl phosphate, a derivative of tocopherol, offers a potential explanation for the conflicting results and holds promise for therapeutic applications.