Sixfold Bioscience completes $10.5M USD seed financing

Funding will support the advancement of Sixfold’s Mergo RNA therapeutics delivery platform, enabling delivery of mRNA and siRNA to tissues beyond the liver

07-Dec-2021 - United Kingdom

Sixfold Bioscience, a company harnessing computation and advanced chemistry to design RNA therapeutic delivery systems, announced it has raised a total of $10.5 million USD (£7.8 million GBP) in its seed funding round. The funding will support the continued development of the Company’s Mergo® RNA therapeutics delivery platform.

Photo by Christopher Bill on Unsplash

This most recent second close of the seed financing raised $2.2 million USD, bringing the total dilutive and non-dilutive capital raised to $10.5 million USD. Investors in the seed round included Cantos Ventures, Y Combinator, Lombard Street Ventures and Pi Campus, as well as select Angel investors. The Company received further non-dilutive funding from Innovate UK, MedCity, and the European Commission, where the team leads a series of collaborations on RNA therapeutics.

Founded in 2017 by Dr George Foot and Dr Perdrix Rosell, Sixfold develops programmable drug delivery systems, with a current focus on short interfering RNA for gene silencing and messenger RNA for gene expression.Although rapidly expanding within the last couple of years, the RNA therapeutics field is still largely constrained to targeting the liver or local administration. Sixfold’s Mergo platform offers the exciting possibility to expand this promising therapeutic approach to other organs, across several therapeutic indications.

Mergo consists of the RNA therapeutic and biocompatible building blocks that modulate the pharmacokinetic and pharmacodynamic properties of the system to target selected cell types. The building-blocks that form Mergo are computationally screened, assembled using high-throughput chemistry, and then tested, with each iteration feeding into the next. In essence, the Mergo system rapidly learns which is the best combination for delivery to a given tissue.

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