Tessera Therapeutics develops novel therapeutics, leveraging its proprietary ribonucleic acid (RNA)-based gene writing technologies to address disease indications across neurology, oncology, and auto-immunology. The company’s approach revolves around reducing or eliminating the dependence on nucleases in gene editing. It creates synthetic mobile genetic elements (MGEs) called retrotransposons that are capable of copying an RNA sequence into the DNA, without breaking the DNA, with precision. It uses machine learning, generative protein design, and protein engineering techniques to identify, engineer, and optimize elements.
The company has not revealed its therapeutic pipeline. It announced plans to set up a good manufacturing practices (GMP) standard manufacturing facility by the end of 2022 to produce RNA writers—that have the potential for redosing—on a large scale.
Key customers and partnerships
The company partnered with Serotiny in February 2022 to engineer programmable gene writer proteins leveraging Serotiny’s platform. It also entered into a collaboration with Cystic Fibrosis Foundation in November 2021 to apply its gene writing technology in treating cystic fibrosis.
Funding and financials
In April 2022, Tessera Therapeutics raised over USD 300 million in a Series C funding round involving a wholly-owned subsidiary of the Abu Dhabi Investment Authority (ADIA), Alaska Permanent Fund Corporation, and Flagship Pioneering (founder of Tessera), among others. The proceeds were earmarked for accelerating the development of its gene writing platforms and clinical development pipeline.
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