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Nutrition et cancer

Arginine in Cancer

Amino acid enhancing immune response and tissue healing in cancer patients.

Definition

A semi-essential amino acid that supports immune cell function, wound healing, and nitric oxide production with emerging evidence for benefits in cancer patient recovery. Arginine becomes essential during stress, illness, and cancer treatment.

How it works

Arginine is a conditionally essential amino acid that becomes critical during cancer and cancer treatment. It plays vital roles in T-cell proliferation and differentiation, supports natural killer cell activity, and promotes angiogenesis (blood vessel formation) important for wound healing after surgery. Arginine also serves as a substrate for nitric oxide synthesis, which has immunomodulatory and anti-inflammatory properties. While tumor cells can use arginine for growth, clinical evidence suggests that appropriate arginine supplementation combined with other immunonutrients enhances immune-mediated tumor control. Dosage and timing relative to cancer treatment require careful consideration with the medical team.

Role

Enhances immune cell function and supports tissue healing while potentially modulating anti-tumor immune responses in cancer patients.

Examples

  • L-arginine supplementation
  • Arginine-enriched clinical nutrition formulas
  • Pumpkin seeds and legumes containing arginine
  • Combined arginine-glutamine supplements

Recommendations

Use arginine supplementation under oncology nutritionist guidance, typically 10-15g daily, ideally combined with glutamine and omega-3 fatty acids for synergistic effects. Avoid excessive isolated arginine supplementation without medical supervision, as tumor-specific effects require careful monitoring.

Key takeaway

Arginine supplementation, when appropriately dosed and combined with other immunonutrients, supports immune function and healing in cancer patients.

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