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Article

Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line

  • Authors:
    • Rafał Jakub Bułdak
    • Katarzyna Pilc‑Gumuła
    • Łukasz Bułdak
    • Daria Witkowska
    • Michał Kukla
    • Renata Polaniak
    • Krystyna Zwirska‑Korczala
  • View Affiliations / Copyright

    Affiliations: Department of Physiology, School of Medicine with the Division of Dentistry, Medical University of Silesia, Zabrze 41‑808, Poland, Department of Internal Medicine and Clinical Pharmacology, School of Medicine, Medical University of Silesia, Katowice 40‑752, Poland, Department of Gastroenterology and Hepatology, School of Medicine, Medical University of Silesia, Katowice 40‑752, Poland, Department of Human Nutrition, School of Public Health, Medical University of Silesia, Bytom 41‑902, Poland
  • Pages: 2275-2282
    |
    Published online on: April 7, 2015
       https://doi.org/10.3892/mmr.2015.3599
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Abstract

Obesity is associated with an increased risk of certain types of cancer, including colon cancer. Adipose tissue is an endocrine organ that produces biologically active substances, such as leptin and ghrelin. Recent research has suggested that adipose‑derived hormones may be associated with mechanisms linked to tumorigenesis and cancer progression. Furthermore, previous studies have demonstrated that pineal gland‑derived melatonin possesses important oncostatic and antioxidant properties. The present study aimed to determine the effects of the adipokines ghrelin and leptin, and the melatonin on intracellular levels of reactive oxygen species (ROS) and the activity of selected antioxidant enzymes, such as superoxide dismutase, catalase (CAT) and glutathione peroxidase. The effects of these compounds were also determined on the viability of HCT 116 human colorectal carcinoma cells in vitro. The pro‑oxidant and growth inhibitory effects of melatonin resulted in an accumulation of ROS and decreased antioxidant capacity in melatonin‑treated cells. Ghrelin administration alone caused a significant decrease in the levels of ROS, due to an increased activity of CAT in the HCT 116 cells. In addition, the present study observed increased lipid peroxidation following melatonin treatment, and decreased levels of malondialdehyde following ghrelin or leptin treatment. In conclusion, ghrelin, leptin and melatonin have various influences on the antioxidant capacity of HCT 116 cells. Compared with the adipokines, treatment with melatonin increased ROS levels and decreased cellular viability.
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Copy and paste a formatted citation
Spandidos Publications style
Bułdak RJ, Pilc‑Gumuła K, Bułdak Ł, Witkowska D, Kukla M, Polaniak R and Zwirska‑Korczala K: Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line. Mol Med Rep 12: 2275-2282, 2015.
APA
Bułdak, R.J., Pilc‑Gumuła, K., Bułdak, Ł., Witkowska, D., Kukla, M., Polaniak, R., & Zwirska‑Korczala, K. (2015). Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line. Molecular Medicine Reports, 12, 2275-2282. https://doi.org/10.3892/mmr.2015.3599
MLA
Bułdak, R. J., Pilc‑Gumuła, K., Bułdak, Ł., Witkowska, D., Kukla, M., Polaniak, R., Zwirska‑Korczala, K."Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line". Molecular Medicine Reports 12.2 (2015): 2275-2282.
Chicago
Bułdak, R. J., Pilc‑Gumuła, K., Bułdak, Ł., Witkowska, D., Kukla, M., Polaniak, R., Zwirska‑Korczala, K."Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line". Molecular Medicine Reports 12, no. 2 (2015): 2275-2282. https://doi.org/10.3892/mmr.2015.3599
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x
Spandidos Publications style
Bułdak RJ, Pilc‑Gumuła K, Bułdak Ł, Witkowska D, Kukla M, Polaniak R and Zwirska‑Korczala K: Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line. Mol Med Rep 12: 2275-2282, 2015.
APA
Bułdak, R.J., Pilc‑Gumuła, K., Bułdak, Ł., Witkowska, D., Kukla, M., Polaniak, R., & Zwirska‑Korczala, K. (2015). Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line. Molecular Medicine Reports, 12, 2275-2282. https://doi.org/10.3892/mmr.2015.3599
MLA
Bułdak, R. J., Pilc‑Gumuła, K., Bułdak, Ł., Witkowska, D., Kukla, M., Polaniak, R., Zwirska‑Korczala, K."Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line". Molecular Medicine Reports 12.2 (2015): 2275-2282.
Chicago
Bułdak, R. J., Pilc‑Gumuła, K., Bułdak, Ł., Witkowska, D., Kukla, M., Polaniak, R., Zwirska‑Korczala, K."Effects of ghrelin, leptin and melatonin on the levels of reactive oxygen species, antioxidant enzyme activity and viability of the HCT 116 human colorectal carcinoma cell line". Molecular Medicine Reports 12, no. 2 (2015): 2275-2282. https://doi.org/10.3892/mmr.2015.3599
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