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Related Concept Videos

Cancer Prevention02:59

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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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Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
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Skin Cancer01:30

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Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
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Nutritional factors in carcinogenesis.

M L Wahlqvist1

  • 1Department of Medicine, Monash University, Monash Medical Centre, Melbourne, Victoria, Australia.

Asia Pacific Journal of Clinical Nutrition
|December 20, 2013
PubMed
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This summary is machine-generated.

Nutritional factors significantly influence cancer development, but current estimates vary due to complex interactions. Advanced nutritional surveillance and sophisticated modeling are crucial for understanding diet-cancer links, especially with evolving food technologies.

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Area of Science:

  • Nutrition and Cancer Etiology
  • Carcinogenesis Research
  • Dietary Impact on Disease

Background:

  • Estimates of nutrition's role in carcinogenesis vary widely.
  • Factors influencing these estimates include genetics, food intake methodology, and simplistic nutrient-based hypotheses.
  • Indirect pathways, like immunosurveillance, also link nutrition and cancer.

Purpose of the Study:

  • To explore the complex relationship between nutrition and various cancers.
  • To highlight the limitations of current nutritional hypotheses in cancer research.
  • To emphasize the need for advanced methods to understand evolving food-cancer dynamics.

Main Methods:

  • Review of existing literature on nutrition and carcinogenesis.
  • Analysis of limitations in current food intake methodologies and nutrient-specific models.
  • Discussion of indirect nutritional pathways and food culture's impact.

Main Results:

  • Breast, prostate, colorectal, and pancreatic cancers show significant nutritional links.
  • Phytoestrogens in diet may influence breast and prostate cancer risk.
  • Current analyses may lack stratification and sophistication to capture food pattern effects on colorectal cancer.

Conclusions:

  • Sophisticated nutritional surveillance and mathematical modeling are essential.
  • Understanding evolving food-cancer relationships requires advanced analytical approaches.
  • Emerging food technologies necessitate further investigation into their carcinogenic potential.