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Toxins 2013, 5(12), 2353-2365; doi:10.3390/toxins5122353

An Extract of Rhodobacter sphaeroides Reduces Cisplatin-Induced Nephrotoxicity in Mice

Department of Biomedical Sciences, College of Medical Science and Technology, Chung Shan Medical University, Taichung 402, Taiwan
Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan
Department of Microbiology, School of Medicine, China Medical University, Taichung 404, Taiwan
Asia-Pacific Biotech Developing, Inc. Kaohsiung 806, Taiwan
Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan
Department of Pharmacy, College of Pharmacy, China Medical University, Taichung 404, Taiwan
Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung 404, Taiwan
Author to whom correspondence should be addressed.
Received: 6 September 2013 / Revised: 18 November 2013 / Accepted: 25 November 2013 / Published: 29 November 2013
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Cisplatin is used as a treatment for various types of solid tumors. Renal injury severely limits the use of cisplatin. Renal cell apoptosis, oxidative stress, and inflammation contribute to cisplatin-induced nephrotoxicity. Previously, we found that an extract of Rhodobacter sphaeroides (Lycogen™) inhibited proinflammatory cytokines and the production of nitric oxide in activated macrophages in a dextran sodium sulfate (DSS)-induced colitis model. Here, we evaluated the effect of Lycogen™, a potent anti-inflammatory agent, in mice with cisplatin-induced renal injury. We found that attenuated renal injury correlated with decreased apoptosis due to a reduction in caspase-3 expression in renal cells. Oral administration of Lycogen™ significantly reduced the expression of tumor necrosis factor-α and interleukin-1β in mice with renal injury. Lycogen™ reduces renal dysfunction in mice with cisplatin-induced renal injury. The protective effects of the treatment included blockage of the cisplatin-induced elevation in serum urea nitrogen and creatinine. Meanwhile, Lycogen™ attenuated body weight loss and significantly prolonged the survival of mice with renal injury. We propose that Lycogen™ exerts anti-inflammatory activities that represent a promising strategy for the treatment of cisplatin-induced renal injury.
Keywords: Rhodobacter sphaeroides; Lycogen™; cisplatin; nephrotoxicity Rhodobacter sphaeroides; Lycogen™; cisplatin; nephrotoxicity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Chang, W.-W.; Liu, J.-J.; Liu, C.-F.; Liu, W.-S.; Lim, Y.-P.; Cheng, Y.-J.; Lee, C.-H. An Extract of Rhodobacter sphaeroides Reduces Cisplatin-Induced Nephrotoxicity in Mice. Toxins 2013, 5, 2353-2365.

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