On September 14, 2026 Asimov, the company building an AI-native synthetic biology platform to advance therapeutic development, reported a cell line development partnership with Sidewinder Therapeutics, a biopharmaceutical company pioneering the development of next-generation bispecific ADCs (antibody-drug conjugates) for the treatment of cancer. As part of a broader collaboration across multiple products, Asimov successfully delivered a cell line for Sidewinder’s bispecific antibody candidate for solid tumors.
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"We are excited to be partnering with Sidewinder Therapeutics to advance their novel bispecific, which represents a powerful approach to targeting and treating solid tumors," said Alec Nielsen, co-founder and CEO at Asimov. "Complex molecules such as Sidewinder’s 4-chain bispecific can be challenging to express, and achieving such high titers for this molecule is a testament to the strength of both our team and our CHO Edge System."
Asimov has worked closely with the Sidewinder team on a custom cell line development program for this 4-chain bispecific antibody. In order to achieve the required expression levels and quality attributes, Sidewinder relied on Asimov’s CHO Edge system, which combines a GS knock-out CHO host, hyperactive transposase, genetic parts library, and Kernel, Asimov’s AI-driven genetic design software.
"With a pipeline of first-in-class bispecific ADCs, we needed to find a cell line development partner with the technical capabilities required to deliver high expression levels while simultaneously achieving consistent product quality," said Eric Murphy, Ph.D., co-founder and CEO at Sidewinder. "The team at Asimov has exceeded expectations, and we’re excited to be progressing toward the clinic with such a high performing cell line."
(Press release, Sidewinder Therapeutics, SEP 14, 2026, View Source [SID1234670854])