Transmembrane 4 L Six Family Member 1 (TM4SF1) is highly expressed in many tumors of digestive system .
The Chimeric Antigen Receptor T-cells (CAR-T) that target TM4SF1 has been generated in our good manufacturing practices (GMP) facility and the anti-tumor effects have been demonstrated in multiple in vitro and in vivo studies.
Clinical studies are proposed here to evaluate the anti-tumor activity of these cell therapy products for treatment of patients with TM4SF1 positive tumors of digestive system. In this study, the safety, tolerance, and preliminary efficacy of CART-TM4SF1 cells will be examined in patients with refractory/recurrent advanced pancreatic cancer, colorectal cancer, gastric cancer or liver cancer.
Clinical and immunological responses will be evaluated about 30 days and last up to 2 years after CAR-T cell infusion.

Start Date30 Jan 2023

Sponsor / Collaborator

Shanghai Changhai Hospital

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100 Clinical Results associated with CART-TM4SF1 cells(Shanghai Ultra-T Immune Therapeutics )

100 Translational Medicine associated with CART-TM4SF1 cells(Shanghai Ultra-T Immune Therapeutics )

100 Patents (Medical) associated with CART-TM4SF1 cells(Shanghai Ultra-T Immune Therapeutics )

Literatures (Medical) associated with CART-TM4SF1 cells(Shanghai Ultra-T Immune Therapeutics )

01 Oct 2014·AngiogenesisQ1 · MEDICINE

TM4SF1: a new vascular therapeutic target in cancer

Q1 · MEDICINE

Article

Author: Dan Li ; Juan M. Melero-Martin ; Anne Merley ; Shou-Ching S. Jaminet ; Harold F. Dvorak ; Tracey E. Sciuto ; Ann M. Dvorak ; Chi-Iou Lin

Transmembrane-4 L-six family member-1 (TM4SF1) is a small plasma membrane glycoprotein that regulates cell motility and proliferation. TM4SF1 is an attractive cancer target because of its high expression in both tumor cells and on the vascular endothelial cells lining tumor blood vessels. We generated mouse monoclonal antibodies against human TM4SF1 in order to evaluate their therapeutic potential; 13 of the antibodies we generated reacted with extracellular loop-2 (EL2), TM4SF1's larger extracellular, lumen-facing domain. However, none of these antibodies reacted with mouse TM4SF1, likely because the EL2 of mouse TM4SF1 differs significantly from that of its human counterpart. Therefore, to test our antibodies in vivo, we employed an established model of engineered human vessels in which human endothelial colony-forming cells (ECFC) and human mesenchymal stem cells (MSC) are incorporated into Matrigel plugs that are implanted subcutaneously in immunodeficient nude mice. We modified the original protocol by (1) preculturing human ECFC on laminin, fibronectin, and collagen-coated plates, and (2) increasing the ECFC/MSC ratio. These modifications significantly increased the human vascular network in Matrigel implants. Two injections of one of our anti-TM4SF1 EL2 monoclonal antibodies, 8G4, effectively eliminated the human vascular component present in these plugs; they also abrogated human PC3 prostate cancer cells that were incorporated into the ECFC/MSC Matrigel mix. Together, these studies provide a mouse model for assessing tumor xenografts that are supplied by a human vascular network and demonstrate that anti-TM4SF1 antibodies such as 8G4 hold promise for cancer therapy.

100 Deals associated with CART-TM4SF1 cells(Shanghai Ultra-T Immune Therapeutics )

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