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Towards more effective treatment for multiple myeloma
Date:1/9/2012

A new study from SUNY Downstate Medical Center in Brooklyn, New York, shows that MAL3-101, a recently developed inhibitor of the heat shock protein 70 (Hsp70), appears to have potent anti-tumor effects on multiple myeloma, a bone marrow cancer. Despite aggressive modes of treatments, myeloma ultimately remains incurable. The disease has a high incidence in the communities served by SUNY Downstate.

The findings, published in a recent issue of Journal of Oncology, are the result of a collaborative effort among researchers working in the laboratory of Olcay Batuman, MD, at Downstate; scientists at the University of Pittsburgh, where the small molecule inhibitor MAL3-101 was developed; scientists at the University of California at San Francisco; and other collaborators at SUNY Downstate.

Multiple myeloma is characterized by an accumulation and expansion of neoplastic plasma cells in the bone marrow. Normally, these white blood cells manufacture the antibodies needed to fight infection. When plasma cells become cancerous, however, they invade the bone marrow and the skeleton, and the immune system is severely compromised. Skeletal fragility, fatigue, weight loss, kidney failure, and repeated infections are common key manifestations and causes of morbidity and mortality from multiple myeloma. The risk for developing this disease increases with age.

"Currently multiple myeloma remains an incurable disease, despite the use of stem cell transplants, high-dose chemotherapy, and radiation," explains Dr. Batuman, professor of medicine and cell biology at Downstate and head of the research team that conducted the study. "New treatment modalities are urgently needed," she says.

The study aimed to explore the cytotoxic effects of MAL3-101 on multiple myeloma tumor growth. The researchers found that MAL3-101 exhibited anti-myeloma effects both in vitro and in vivo on tumor cell lines, as well as on primary tumor and endothelial c
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Contact: Ron Najman
ron.najman@downstate.edu
718-270-2696
SUNY Downstate Medical Center
Source:Eurekalert

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