On April 12, 2022 Shoreline Biosciences, Inc. (Shoreline), a biopharmaceutical company developing next-generation cellular immunotherapies based on induced pluripotent stem cells (iPSCs) utilizing its proprietary iPSC-derived natural killer (iNK) cell and macrophage (iMACs) platforms, reported the presentation of data at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) annual meeting in New Orleans, LA, taking place from April 8-13, 2022 (Press release, Shoreline Biosciences, APR 12, 2022, View Source [SID1234612102]). Shoreline presented two posters demonstrating its novel methodologies to produce clinical scale iPSC-derived iNK cells.
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Shoreline has developed a proprietary methodology to create differentiated iNK cells for large-scale, "off-the-shelf" production. Shoreline’s methodology supports the production of phenotypically and functionally mature iNK cells from both wildtype and genetically engineered iPSCs. In particular, the generation of iPSC-derived NK cells bearing a knock-out of the gene encoding cytokine-inducible SH2-containing protein (CISH) was described at the AACR (Free AACR Whitepaper) meeting. Shoreline’s CISH-KO iNK cells have demonstrated improved in vivo anti-tumor activity, persistence, metabolic fitness, and resistance to cell exhaustion.
To improve the targeting and potency of its iNK cells, Shoreline has also developed a proprietary Chimeric Antigen Receptor (CAR) screening platform to identify CARs that function optimally in NK cells. Compared to CARs developed for T cells and transferred into NK cells, Shoreline’s NK-optimized CARs yield significantly increased tumor killing activity.
"The presentations at AACR (Free AACR Whitepaper) 2022 on our CISH-KO iNK cells and natural killer-optimized CARs demonstrate our sophisticated expertise in iPSC differentiation, gene editing, and CAR-NK development. This technology is being applied to multiple therapeutic programs, and along with our partnerships with Kite and BeiGene, serves as the basis for our strong pipeline of novel cancer therapies," said Robert Hollingsworth, Ph.D., CSO of Shoreline. "Our differentiated approaches improve upon existing CAR-NK and CAR-T technologies, and we are continuing to optimize our cell therapies for potency, durability, and safety. We are excited to advance these therapies into clinical testing and eventually provide important new options for cancer patients."
Details of the Shoreline posters are below:
Title: "Development of an iPSC-derived NK cell screening platform for discovery of NK cell optimized Chimeric Antigen Receptors (CARs) for next-generation CAR-NK cell immunotherapies"
Session Title: Adoptive Cell Therapy 1
Session Date and Time: Sunday April 10, 2022 1:30 PM – 5:00 PM
Location: New Orleans Convention Center, Exhibit Halls D-H, Poster Section 36
Title: "A novel method to produce clinical scale induced pluripotent stem cell-derived natural killer (iPSC-NK) cells with improved anti-tumor activity for next-generation allogenic cell therapies"
Abstract Number: 4319
Session Title: Stem Cells and Regulatory Pathways in Cancer
Session Date and Time: Tuesday April 12, 2022 1:30 PM – 5:00 PM
Location: New Orleans Convention Center, Exhibit Halls D-H, Poster Section 12
Abstracts and full session details can be accessed through the AACR (Free AACR Whitepaper) meeting planner: AACR (Free AACR Whitepaper) Annual Meeting 2022 | April 8-13, 2022 | New Orleans