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Researchers identify new anti-tumor gene
Date:12/16/2008

e relevant in the clinical treatment of a number of solid tumors and hematological malignancies, such as melanoma, renal cell carcinoma, malignant glioma, lymphomas and leukemias, either as a monotherapy or as an adjuvant to chemotherapy of radiotherapy.

"We have uncovered a new way by which interferon can induce anti-tumor activity. The identification of SARI also provides a new potential reagent for the selective killing of tumor cells," said Fisher.

"The present study indicates that interferon can suppress cancer growth by inhibiting expression of a cancer-dependent transcription factor that controls genes that regulate cancer cell growth. The SARI gene may provide novel and selective gene therapy applications for cancer. It could also prove amenable for inhibiting proliferative disorders that depend on AP-1 activity," he said. AP-1 plays a key role in regulating proliferation and transformation of cancer cells.

The team is now developing improved approaches to more effectively target the delivery of SARI. Fisher said these studies will be crucial for exploiting the cancer-selective killing activity of this gene and enhancing its therapeutic applications.


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Contact: Sathya Achia Abraham
sbachia@vcu.edu
804-827-0890
Virginia Commonwealth University
Source:Eurekalert

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