2020 Grant Recipient Fengzhi Li, PhD

Home Research Research Grants Program Grants Awarded Grants Awarded by Year 2020 Research Grant Recipients 2020 Grant Recipient Fengzhi Li, PhD

2020 Grantee: Fengzhi Li, PhD

Roswell Park Cancer Institute
Research Project: Validation of Targets as Biomarkers for Targeted Pancreatic Cancer Therapy
Award: 2020 Pancreatic Cancer Action Network Translational Research Grant
Award Period: July 1, 2020 – June 30, 2022
Amount: $500,000

Fengzhi Li, PhD

Biographical Highlights

Dr. Li became a faculty member of Roswell Park Comprehensive Cancer Center in 2001 after finishing his postdoctoral training in Dr. Dario C. Altieri’s laboratory at the Boyer Center for Molecular Medicine, Yale Medical School. During his postdoctoral training, he focused his research on characterizing the function, regulation and expression of the protein survivin, which is involved in blocking a form of programmed cell death called apoptosis.

In 2006, Dr. Li was promoted to an associate professor of oncology at Roswell Park. Using the survivin gene as a target and biomarker for targeted anticancer drug discovery, he has over the past decade transitioned his Roswell Park cancer research lab from basic to translational cancer research. His current research interests focus on targeted anticancer drug discovery, development and mechanism of action studies. His goal is to move his lab-discovered targeted anticancer drug into clinical trials in order for it to become clinically available to patients with pancreatic cancer, colorectal cancer and other cancer types.

Project Overview

Dr. Li and his team have identified a novel anticancer drug (named FL118) that can eliminate pancreatic cancer patient-derived xenografts in animal models. Patient-derived xenografts are created by implanting a small sample of a patient’s pancreatic cancer tissue under the skin or into the pancreas of a mouse and allowing the tissue to form a tumor in the mouse.

The researchers found that FL118 directly binds to and induces the degradation (breakdown) of a protein called DDX5. DDX5 is involved in blocking a type of programmed cell death – like cell suicide – called apoptosis. When FL118 blocks DDX5’s activity, apoptosis is allowed to occur in the pancreatic cancer cells.

About 83% of pancreatic ductal adenocarcinoma (the most common type of pancreatic cancer) tumors are thought to express DDX5. And, the higher the expression (amount) of DDX5, the more likely the cancer cells are to respond to FL118 treatment. Therefore, Dr. Li and colleagues propose to use DDX5 expression as a biomarker, or biological clue, to determine which patients may benefit from FL118 treatment.

Experiments in patient-derived xenografts have also revealed that, in addition to DDX5 expression, pancreatic tumors that express mutant KRAS and mutant p53 are especially susceptible to cell death caused by FL118. KRAS and p53 are among the most commonly mutated proteins in pancreatic tumors.

In this grant, the investigators will validate the target and biomarker roles of DDX5, mutant KRAS and mutant p53 for evaluating pancreatic tumor sensitivity to FL118. In preparation for future targeted clinical trials testing FL118 in patients, Dr. Li and his team will study how FL118 causes the breakdown of DDX5 and continue to determine whether and how DDX5, mutant KRAS and mutant p53 expression can predict response to FL118.

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