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The diet and cancer connexion

3/30/2017

 
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Diet contributes to 20% to 42% of all human cancers and 50% to 90% of colon cancer. Recent evidence shows that the Western diet has a causative link to colon cancer; however, mechanisms of action are not fully elucidated. 
Many reviews present an extensive analysis of the key findings from studies on the effects of antioxidants such as tea polyphenols, curcumin, genistein, resveratrol, lycopene, omega 3 fatty acids, grape seed extract, vitamin D and C, etc. against cancers.
These chemopreventive agents also have very recently been found to reverse chemoresistance and radioresistance in patients undergoing cancer treatment. Thus, these chemopreventive agents have potential to be used as adjuncts to current cancer therapies.
VISIT OUR PAGE: UNDERSTANDING CANCER
ABSTRACT
Colon cancer strikes more than 1 million people annually and is responsible for more than 500,000 cancer deaths worldwide.
Recent evidence suggests that the majority of malignancies, including colon cancer are driven by cancer stem cells (CSCs) that are resistant to current chemotherapeutic approaches leading to cancer relapse.

Wnt signaling plays a critical role in colon stem cell renewal and carcinogenesis. Leucine-rich repeat-containing G protein-coupled receptor 5 (LGR5), a Wnt target gene, and aldehyde dehydrogenase 1 B1 (ALDH1B1) are good markers for normal and malignant human colon stem cells.
Diet contributes to 20% to 42% of all human cancers and 50% to 90% of colon cancer. Recent evidence shows that the Western diet has a causative link to colon cancer; however, mechanisms of action are not fully elucidated.
Western diet-induced obesity elevates systemic insulin-like growth factor-1 and insulin levels, which could lead to elevated proliferation and suppressed apoptosis of CSCs through PI3K/AKT/Wnt pathway. Although conventional chemotherapy targets the PI3K/AKT pathways and can significantly reduce tumor size, it fails to eliminate CSCs and has serious side effects.
Dietary bioactive compounds such as grape seed extract, curcumin, lycopene, and resveratrol have promising chemopreventive effects, without serious side effects on various types of cancers due to their direct and indirect actions on CSC self-renewal pathways such as the Wnt pathway. Understanding the role of CSCs in diet-induced colon cancer will aid in development of evidence-based dietary chemopreventive strategies and/or therapeutic agents targeting CSCs.


REFERENCE: 
Nutrition. 2014 Nov-Dec;30(11-12):1242-56. doi: 10.1016/j.nut.2014.02.016. Epub 2014 Mar 12.
Colon carcinogenesis: influence of Western diet-induced obesity and targeting stem cells using dietary bioactive compounds.

Kasdagly M1, Radhakrishnan S2, Reddivari L3, Veeramachaneni DN4, Vanamala J5.

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  • Suplimente
    • 13 motive serioase pentru a consuma suplimente
    • 18 criterii pentru a alege un supliment de calitate superioara
    • Cum sa alegi un Omega 3 de calitate superioara?
    • Criterii pentru alegerea unui supliment de calciu
  • Supplémentation
    • 13 bonnes raisons pour se supplémenter
    • Complément antioxydant haute gamme
    • Choisir un Oméga 3 de qualité supérieure
    • Choisir un bon supplément de calcium
  • Afectiuni
    • Cancerul >
      • Boala canceroasa
      • Cancerul de colon
      • Cancerul de ovare
      • Cancerul de plaman
      • Cancerul de prostata
      • Cancerul de san
      • Leucemiile acute
      • Leucemiile cronice
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      • Boala coronariana
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      • Hipertensiune arteriala
    • Bolile de piele >
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    • Bolile endocrine >
      • Diabet
      • Hipotiroidie & Boala Hashimoto
      • Menopauza
    • Bolile musculare, articulare si osoase >
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      • Osteoporoza
      • Poliartrita reumatoida
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    • Bolile neurologice >
      • Boala Alzheimer
      • Deficitul de atentie si hiperactivitatea
      • Depresia
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    • Femei gravide si copii >
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      • Sindromul intestinului iritabil
  • Maladies
    • Le Cancer >
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      • Vieillissement
  • Abonament
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  • Home
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  • Therapy
    • What is orthomolecular therapy?
    • Oxidative Stress
    • Free Radicals
    • Nutritive Value of Fruits and Vegetables
  • Suplementation
    • Top 13 reasons to take supplements
    • 18 criteria to choose a high quality vitamin
    • How to choose a high quality fish oil?
    • Choose a good calcium supplement
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    • Bone, Joint and Muscle Diseases >
      • Fibromyalgia and Chronic Fatigue Syndrome
      • Osteoarthritis
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