Suicide Genes – what are they and are they really needed?

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Yesterday, Juno Therapeutics announced a new deal for a collaboration with Editas Medicine that is:

“Focused on creating chimeric antigen receptor (CAR T) and high-affinity T cell receptor (TCR) therapies to treat cancer. The companies will pursue three research programs together utilizing Editas’ genome editing technologies, including CRISPR/Cas9, with Juno’s CAR and TCR technologies.”

This follows on from their recent deals with Fate Therapeutics and Stage Cell Therapeutics and bluebird bio’s licensing deal with Five Prime for novel antibodies to develop CAR T cell therapy.

One of the most interesting questions in CAR T cell development, is whether you need to incorporate a suicide gene or suicide switch into them that allows you to turn off the response, force the T cells to self-destruct, in the event of severe Cytokine Release Syndrome (CRS) or other serious adverse events.

This review article is another example that straddles data from conferences earlier this month at Immunology 2015 (AAI) and American Society of Gene and Cell Therapy (ASGCT) with the American Society of Clinical Oncology (ASCO) this coming weekend.

At ASGCT we spoke with Dr Carl June and also heard the latest update on what Cellectis are doing from Dr Julianne Smith.

Companies mentioned: Juno Therapeutics, Novartis/U Penn, Cellectis, Bellicum, bluebird bio, Formula, Molmed.

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This article was originally published on Biotech Strategy Blog at the following link … Suicide Genes – what are they and are they really needed?

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