Novel inhibitor to fight metastatic prostate cancer shows promise

Novel inhibitor to fight metastatic prostate cancer shows promise

When prostate cancer spreads it is often a deadly disease, but now a Stony Brook University-led research team believes a new approach that inhibits a specific fatty acid binding protein (FABP) may be the key to halting disease progression. Their research results on FABP5 inhibitors as promising therapeutic agents against metastatic prostate cancer led to a new five-year grant from the National Cancer Institute (NCI) totaling $4.2 million to advance the research to 2025. Lead investigator Iwao Ojima, PhD, Distinguished Professor of Chemistry and Director of the Institute of Chemical Biology and Drug Discovery (ICB&DD), along with colleagues at Stony Brook and Cold Spring Harbor Laboratory, in collaboration with Artelo Biosciences, are investigating FABPs in the treatment of inflammation, pain and against certain cancers, as drug targets themselves or in combination with current chemotherapy treatments. Dr. Ojima and Martin Kaczocha, PhD, (ICB&DD) received a seed grant called a "Fusion Award" from the Renaissance School of Medicine at Stony Brook University to conduct a preliminary study of FABP5 and its inhibitors as potential prostate cancer therapeutic target and agents. Their original work and collaboration with Lloyd Trotman, PhD, a Professor at Cold Spring Harbor Laboratory, led to a paper in The Prostate that showed novel FABP5 inhibitors developed by the ICB&DD team exhibited significant cytotoxicity against highly drug-resistant metastatic prostate cancer cells. FABP5 also enhanced the antitumor effects of taxene drugs in animal models. These promising findings led to the acquisition of the NCI grant. This grant is a tremendous example of how collaborative research involving Stony Brook University, Cold Spring Harbor Laboratory and industry have pushed forward a bioscience concept initially supported by seed money from our school to a level where the National Cancer Institute sees its potential as a new and better treatment for metastatic prostate cancer." Kenneth Kaushansky, MD, Vice President for Health Sciences and Dean of the Renaissance School of Medicine at Stony Brook University Under the grant, the team will leverage structure-based drug design and chemical synthesis approaches to identify best FABP5 inhibitors for potency and selectivity, employ a robust in vitro inhibitor testing platform, and access the efficacy of candidate inhibitors in mouse models. They will also investigate FABP5 inhibitors when used as monotherapies, as well as in combination with FDA approved drugs. "This award highlights the outstanding research capabilities and innovative drug designs that have been created at the ICB & DD under Professor Ojima's leadership," said Richard J. Reeder, PhD, Vice President for Research at Stony Brook University. "The collaborative work also demonstrates how such partnerships benefit Stony Brook's growing focus on cancer research." Related Stories



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