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Cell Source Presents Potential Breakthrough in the Development of Off-the-Shelf CAR-T Cell Therapy at American Society of Hematology Annual Meeting
Research Presented at the American Society of Hematology Annual Meeting Highlights New Mechanisms to Overcome Immune Rejection
Research Presented at the American Society of Hematology Annual Meeting Highlights New Mechanisms to Overcome Immune Rejection
Cell Source, Inc. (OTCQB:CLCS) ("Cell Source" or the "Company"), a leading innovator in immune tolerance management, recently presented promising preclinical findings at the 2024 American Society of Hematology (ASH) Annual Meeting. The research showcased how the company's proprietary Veto Cell technology can overcome one of the most critical barriers in allogeneic cell therapy - natural killer (NK) cell-mediated rejection. This innovation brings the field closer to realizing off-the-shelf CAR-T therapies, which can be safer, less costly and more scalable than existing allogeneic CAR-T.
The study, titled "Overcoming NK Cell-Mediated Allograft Rejection by Anti-Third Party Central Memory Veto CD8 T Cells through Down-Regulation of the Activating Receptor DNAM-1 on Alloreactive NK Cells," highlights the ability of Veto Tcm cells to suppress NK cell activity without triggering host T-cell proliferation or graft-versus-host disease (GvHD). By down-regulating the DNAM-1 activating receptor on NK cells, facilitated by the DNAM-1 ligand CD155, Cell Source has demonstrated a novel pathway to enhance the safety and efficacy of allogeneic CAR-T therapies under mild conditioning regimens.
See link below for abstract:
https://ash.confex.com/ash/2024/webprogram/Paper203601.html
Research Highlights:
NK Cell Suppression: Veto Cells effectively suppress NK-mediated rejection.
Distinct Mechanism: The approach involves selective modulation of DNAM-1 on NK cells without causing adverse effects.
Broader Application: Results suggest potential for safer and more accessible cellular therapies for hematologic malignancies and other conditions.
Advancing the Allogeneic CAR-T Therapy Landscape
These findings underscore Cell Source's commitment to addressing the limitations of current cellular therapies. The ability to suppress NK-mediated rejection is a key advancement in enabling off-the-shelf CAR-T therapy, supporting the potential to overcome scalability, logistics and cost challenges associated with autologous approaches. The results also align with Cell Source's broader vision of advancing immune tolerance to facilitate safer mismatched donor stem cell transplants and pioneer mismatched donor organ transplantation.
Quote from Dr. Yair Reisner:
"Our results help to unravel the mechanism by which anti-viral CD8 central memory veto cells overcome NK-mediated rejection of mismatched hemopoietic transplants," said study lead Dr. Yair Reisner, Professor of Stem Cell Transplantation at The University of Texas MD Anderson Cancer Center. "These findings represent a significant step toward overcoming barriers in the development of off-the-shelf CAR T cell therapies, an important area of focus within the field of cancer immunotherapy."
Disclosure
Dr. Reisner is chair of the scientific advisory board for Cell Source and has equity in the company. These financial relationships have been disclosed to MD Anderson's Conflict of Interest Committee in accordance with institution policy.
About Veto Cell Technology
Cell Source's Veto Cell technology is the brainchild of Professor Yair Reisner, a world-renowned expert in immune tolerance management who pioneered mismatched bone marrow transplants. The company's technology, exclusively licensed from The Weizmann Institute of Science in Israel, is being developed to create safer, donor-derived CAR-T therapy and improve the accessibility of stem cell transplants and organ transplants.
About Cell Source, Inc.
Cell Source, Inc. (OTCQB:CLCS) is the worldwide, exclusive innovator of Veto Cell-based cellular therapy and immunotherapy platform technologies designed to provide safer and more accessible stem cell (e.g. bone marrow) transplantation and improve the treatment of blood cancers such as leukemia, lymphoma and multiple myeloma. The company licenses the technology from The Weizmann Institute of Science in Israel and sponsors both research and clinical development projects at MD Anderson Cancer Center . In addition, its Veto Cell platform is being developed to reverse sickle cell disease and other non-malignant genetic blood disorders and to durably treat auto immune diseases such as type 1 diabetes. The Company is developing a Veto Cell CAR-T platform which could potentially enable CAR-T therapy to be used in donor-derived (allogeneic) settings with increased safety, efficacy, and persistence. Cell Source's Veto Cell technologies are also being developed to facilitate safer, donor mismatched organ transplants (e.g., kidney and liver) and also avoid the current need for life-long daily immune system suppression.
The Company is focused on transitioning this allogeneic Veto Cell platform into additional clinical trials in order to develop safe and curative cell therapy treatments (such as stem cell transplants) from mismatched donors as well as safe, durable, and efficacious "off-the-shelf" immunotherapy and immuno-oncology products.
For more information, visit cell-source.com.
Investor Contact
Itamar Shimrat, CEO
646.416.7896
[email protected]
Cautionary Note on Forward-Looking Statements
This press release contains forward-looking statements for purposes of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. With the exception of historical information, the matters discussed in this press release are forward-looking statements that involve a number of risks and uncertainties. The actual future results of Cell Source, Inc. could differ significantly from those statements. Factors that could cause actual results to differ materially include risks and uncertainties such as the inability to finance the company's operations, inability to hire and retain qualified personnel, and changes in the general economic climate, as well as the risk factors disclosed in Cell Source, Inc.'s Form 10-K filed on June 6, 2024. Cell Source, Inc. may, in some cases, use terms such as "anticipates," "continue," "estimates," "predicts," "believes," "potential," "proposed," "expects," "plans," "intends," "may," "could," "should," "might," "will," or other words that convey uncertainty of future events or outcomes to identify these forward-looking statements. These statements are only predictions. Although we believe that the expectations reflected in the forward-looking statements are reasonable, such statements should not be regarded as a representation by Cell Source, Inc. or any other person, that such forward-looking statements will be achieved. Cell Source, Inc. undertakes no duty to update any of the forward-looking statements, whether as a result of new information, future events or otherwise. In light of the foregoing, readers are cautioned not to place undue reliance on such forward-looking statements. This release does not constitute an offer to sell or a solicitation of offers to buy any securities of any entity.
Contact Information
Brendan Rempel
[email protected]
SOURCE: Cell Source, Inc.
L.Davis--AMWN