24d (edited) • Health
Cellular Reprogramming
OpenAI, in collaboration with Retro Bio, has developed a custom AI model (specifically "GPT-4b micro") that can design engineered variants of the Yamanaka factors, which are proteins used in cellular reprogramming.
The Role of OpenAI and Yamanaka Factors
Yamanaka Factors: These are a set of four specific proteins (OCT4, SOX2, KLF4, and c-MYC) discovered by Shinya Yamanaka in 2006. They are capable of turning mature, specialized body cells (like skin cells) back into induced pluripotent stem cells (iPSCs), which can then develop into almost any cell type.
OpenAI's Contribution: Researchers at OpenAI and Retro Bio trained an AI model on protein sequences, biological text, and 3D protein structures. This model was used to design novel variants of the original Yamanaka factors.
Result: The AI-designed factors achieved a 50x increase in reprogramming efficiency in laboratory settings compared to the standard proteins. This breakthrough could significantly advance regenerative medicine and drug discovery by making the process of creating stem cells faster and more efficient.
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Cellular Reprogramming
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