Poster Presentation to Focus on Reqorsa's Ability to Modulate In Vivo Immune Responses Against Cancers
AUSTIN, Texas, Oct. 7, 2024 /PRNewswire/ -- Genprex, Inc. ("Genprex" or the "Company") (NASDAQ: GNPX), a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes, today announced that its research collaborators at Meharry Medical College were selected to present at the upcoming 39th Annual Society for Immunotherapy of Cancer Meeting being held November 6-10, 2024 in Houston, Texas. The collaborators will present a poster on positive preclinical data from a study of the Company's lead drug candidate, Reqorsa® Gene Therapy (quaratusugene ozeplasmid) evaluating TUSC2's role in modulating immune responses in cancer.
"The body of preclinical evidence supporting REQORSA's potential in the treatment of a variety of cancers continues to grow as we bolster our robust research program for REQORSA with our collaborators at many academic institutions," said Ryan Confer, President and Chief Executive Officer at Genprex. "We are very pleased that our academic partners have been selected to present their findings on REQORSA at this prestigious cancer meeting, and we look forward to this presentation next month sharing more about TUSC2's role in modulating immune responses in cancer."
Title: "TUSC2 Modulates Cancer Immune Responses" Collaborator: Meharry Medical College
TUSC2 is the tumor suppressor gene used in REQORSA. REQORSA consists of a TUSC2 gene expressing plasmid encapsulated in non-viral lipid-based nanoparticles in a lipoplex form (the Company's Oncoprex® Delivery System), which has a positive charge. REQORSA is injected intravenously and specifically targets cancer cells. REQORSA is designed to deliver the functioning TUSC2 gene to negatively charged cancer cells while minimizing uptake by normal tissue. Laboratory studies conducted at MD Anderson show that the uptake of TUSC2 in tumor cells in vitro after REQORSA treatment was 10 to 33 times the uptake in normal cells.
About Genprex, Inc. Genprex, Inc. is a clinical-stage gene therapy company focused on developing life-changing therapies for patients with cancer and diabetes. Genprex's technologies are designed to administer disease-fighting genes to provide new therapies for large patient populations with cancer and diabetes who currently have limited treatment options. Genprex works with world-class institutions and collaborators to develop drug candidates to further its pipeline of gene therapies in order to provide novel treatment approaches. Genprex's oncology program utilizes its systemic, non-viral Oncoprex® Delivery System which encapsulates the gene-expressing plasmids using lipid-based nanoparticles in a lipoplex form. The resultant product is administered intravenously, where it is taken up by tumor cells that then express tumor suppressor proteins that were deficient in the tumor. The Company's lead product candidate, Reqorsa® Gene Therapy (quaratusugene ozeplasmid), is being evaluated in two clinical trials as a treatment for NSCLC and SCLC. Each of Genprex's lung cancer clinical programs has received a Fast Track Designation from the FDA for the treatment of that patient population, and Genprex's SCLC program has received an FDA Orphan Drug Designation. Genprex's diabetes gene therapy approach is comprised of a novel infusion process that uses an AAV vector to deliver Pdx1 and MafA genes directly to the pancreas. In models of Type 1 diabetes, GPX-002 transforms alpha cells in the pancreas into functional beta-like cells, which can produce insulin but may be distinct enough from beta cells to evade the body's immune system. In a similar approach, GPX-002 for Type 2 diabetes, where autoimmunity is not at play, is believed to rejuvenate and replenish exhausted beta cells.
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