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Related Concept Videos

Tumor Immunotherapy01:27

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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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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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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Updated: Dec 20, 2025

Defining Gene Functions in Tumorigenesis by Ex vivo Ablation of Floxed Alleles in Malignant Peripheral Nerve Sheath Tumor Cells
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Exercise as a Candidate Antitumor Strategy: A Window into the Future.

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Exercise may improve outcomes for early-stage breast cancer patients. This study investigated the biological effects of exercise in these patients during the preoperative window.

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Area of Science:

  • Oncology
  • Exercise Science
  • Cancer Biology

Background:

  • Observational studies suggest exercise benefits early-stage breast cancer patients.
  • The biological mechanisms of exercise in breast cancer remain unclear.
  • Preoperative window studies allow testing short-term treatment effects.

Purpose of the Study:

  • To investigate the biological activity of exercise in patients with breast cancer.
  • To assess the short-term effects of exercise on validated surrogates in a preoperative setting.

Main Methods:

  • Utilized a preoperative window of opportunity study design.
  • Focused on patients with early-stage breast cancer.
  • Examined validated biological surrogates for treatment effects.

Main Results:

  • Observational data indicates exercise is linked to better outcomes in early-stage breast cancer.
  • Direct investigation into exercise's biological activity in this patient group was lacking.
  • Preoperative studies offer a unique model for evaluating short-term interventions.

Conclusions:

  • Exercise may have direct biological effects in breast cancer patients.
  • Further research is warranted to elucidate these mechanisms.
  • Preoperative studies are valuable for assessing novel therapeutic strategies.