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Home / Health News / Perphenazine – 50-year-old antipsychotic medicine may cure cancer

Perphenazine – 50-year-old antipsychotic medicine may cure cancer

New studies in zebrafish have shown that a 50-year-old antipsychotic medication called perphenazine can actively combat the cells of a difficult-to-treat form of acute lymphoblastic leukemia (ALL).

By: Agencies   | | Published: January 10, 2014 4:42 pm
Tags: Cancer Treatment  In the news  

CancerNew studies in zebrafish have shown that a 50-year-old antipsychotic medication called perphenazine can actively combat the cells of a difficult-to-treat form of acute lymphoblastic leukemia (ALL). Also Read - 50-yr-old bacteria may help your body's own immune system to kill cancer

Also Read - Cellular 'death by iron' could be a new promising avenue of cancer treatment



The drug works by turning on a cancer-suppressing enzyme called PP2A and causing malignant tumor cells to self-destruct. Also Read - Small delays in cancer treatment can up death risk by 10%, says study

The study led by Alejandro Gutierrez, MD, and A. Thomas Look, MD, of Dana-Farber/Boston Children”s Cancer and Blood Disorders Center, and Jon Aster, MD, PhD, of Dana-Farber Cancer Institute and Brigham and Women’s Hospital, suggested that developing medications that activate PP2A, while avoiding perphenazine’s psychotropic effects, could help clinicians make much-needed headway against T-cell ALL, and perhaps other tumors as well.

To identify possible new treatment options, Gutierrez, Look and their collaborators screened a library of 4,880 compounds including FDA-approved drugs whose patents had expired, small molecules and natural products in a model of T-ALL engineered using zebrafish.

Strategies that identify new uses for existing drugs have grown in popularity in recent years as a way of quickly developing new disease therapies. Zebrafish models are cost-effective platforms for rapidly conducting drug screens, as well as basic stem cell, genetic, cancer and developmental research.

One of the strongest hits in the zebrafish screen was the drug perphenazine. It is a member of the phenothiazines, a family of antipsychotic medications used for 50 years, because they can block dopamine receptors.

The team verified perphenazine’s anti-leukemic potential in vitro in several mouse and human T-ALL cell lines. Biochemical studies indicated that perphenazine’s anti-tumor activity is independent of its psychotropic activity, and that it attacks T-ALL cells by turning on PP2A.

The fact that perphenazine works by reactivating a protein shut down in cancer cells is itself novel in the drug development field. (Read: Top 10 food habits to prevent cancer)

The study is published in the Journal of Clinical Investigation.

Source: ANI

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Published : January 10, 2014 4:42 pm
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