The Role of Antioxidants in Cancer, Friends or Foes?

Author(s): B. Poljsak , I. Milisav* .

Journal Name: Current Pharmaceutical Design

Volume 24 , Issue 44 , 2018


Consumption of dietary supplements by millions of people is increasing [1]. Between 64 to 81% of cancer patients and survivors use multivitamin supplements after the cancer diagnosis [2]. The use of antioxidants during cancer therapy has been a hot topic in medical science for the last 20 years without clear answers and recommendations. It seems that antioxidants are able to I) decrease the cancer formation risk by quenching ROS that are involved in cancer initiation and progression and II) assist in survival of cancer/precancer cells once the malignant transformation already occurred. Antioxidants were shown to assist cancer initiation, interfere with cancer treatment by reducing its efficacy and patient survival, and vice versa, there are reports of beneficial antioxidant effect during the cancer treatment.

Keywords: Antioxidants, cancer, beta carotene, vitamin E, selenium, vitamin C.

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Year: 2018
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DOI: 10.2174/1381612825666190123112647
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