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JCI online early table of contents: June 1, 2011
Date:6/1/2011

EDITOR'S PICK: Reducing a severe side effect of a common anticancer drug

Cisplatin is one of the most widely used anticancer chemotherapeutics. However, it has some severe side effects in normal tissues, in particular it is toxic to the kidneys. Understanding the mechanisms underlying this toxicity could identify targets for drugs that could be given together with cisplatin to protect the kidney during chemotherapy. In this context, a team of researchers, led by Zheng Dong, at Georgia Health Sciences University, Augusta, has now identified the signaling protein PKC-delta as a critical regulator of cisplatin-mediated kidney toxicity in mice. Importantly, inhibiting PKC-delta not only protected the kidneys from the toxic effects of cisplatin but also enhanced the antitumor effects of the drug in several xenograft and syngeneic mouse tumor models. The team therefore suggests that targeting PKC-delta could help reduce the severe kidney toxicity that occurs in cancer patients undergoing chemotherapy with cisplatin and other cisplatin-based chemotherapeutics.

TITLE: Inhibition of PKC-delta reduces cisplatin-induced nephrotoxicity without blocking chemotherapeutic efficacy in mouse models of cancer

AUTHOR CONTACT:
Zheng Dong
Medical College of Georgia and Charlie Norwood VA Medical Center, Augusta, Georgia, USA.
Phone: 706.721.2825; Fax: 706.721.6120; E-mail: zdong@mail.mcg.edu.

View this article at: http://www.jci.org/articles/view/45586?key=93f34735232ae0bf2ab0

ONCOLOGY: Subdivisions reveal effective therapies in triple-negative breast cancer

Breast cancers can be divided into different types based on several criteria, including the marker proteins they express. Treatment of breast cancers lacking expression of the proteins to which hormones bind (so ca
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Contact: Karen Honey
press_releases@the-jci.org
734-546-5242
Journal of Clinical Investigation
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