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Home NEWS Science News Cancer

Identification of therapeutic targets in multiple myeloma

Bioengineer by Bioengineer
April 23, 2016
in Cancer
Reading Time: 2 mins read
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Multiple myeloma (MM) is a hematological cancer that frequently acquires resistance to chemotherapeutic drugs. Additionally, many patients experience disease relapse, but these patients are difficult to treat as the cancer is often resistant to the previous treatment regimen. Combination therapies are frequently successful at treating relapsed, treatment-resistant MM, leading researchers to seek out new therapeutic targets. In this issue of JCI Insight, Yoichi Imai and colleagues at Tokyo Women's Medical University in Tokyo, Japan, demonstrate that MM cells express high levels of the protein phosphatase PPP3CA, a subunit of the signaling protein calcineurin, which can be targeted by the drug FK506. Using a MM mouse model, Imai and colleagues showed that calcineurin is required for multiple myeloma cell growth and that inhibition of calcineurin with FK506 promoted MM cell death. Moreover, treatment of MM mice with panobinostat, which is currently FDA-approved for treatment of MM, and FK506 reduced MM growth in mice. These findings indicate that PPP3CA and calcineurin may be suitable therapeutic targets for the treatment of MM.

###

TITLE:

Histone deacetylase inhibitor panobinostat induces calcineurin degradation in multiple myeloma

AUTHOR CONTACT:

Yoichi Imai
Tokyo Women's Medical University
Email: [email protected]

View this article at: http://insight.jci.org/articles/view/85061

JCI Insight is the newest publication from the American Society of Clinical Investigation, a nonprofit honor organization of physician-scientists. JCI Insight is dedicated to publishing a range of translational biomedical research with an emphasis on rigorous experimental methods and data reporting. All articles published in JCI Insight are freely available at the time of publication. For more information about JCI Insight and all of the latest articles go to http://www.insight.jci.org.

Media Contact

Corinne Williams
[email protected]
@jclinicalinvest

http://www.jci.org

The post Identification of therapeutic targets in multiple myeloma appeared first on Scienmag.

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