OpenAI, in collaboration with Retro Biosciences, has published a study that opens a new chapter in the fight against aging. Using a customized AI model, researchers redesigned proteins that transform mature cells into stem cells — with 50 times greater efficiency compared to the original versions that won the Nobel Prize in 2012.
Instead of standard language models trained on internet data, the team developed GPT-4b micro, a model specialized exclusively for biological data. This system successfully “reshaped” the well-known Yamanaka proteins — factors that reprogram aged cells back into a stem-cell-like state. The results showed dramatic improvements: cells were converted into stem cells 50x more efficiently and exhibited much stronger DNA repair capabilities.
The study confirmed a reversal of one of the key biological hallmarks of aging, with findings validated by independent laboratories. This breakthrough clearly demonstrates the power of custom AI models: while public models assist users in everyday tasks, specialized systems can accelerate discoveries that would otherwise take decades of lab work.
If such results continue, we may be witnessing a revolution in regenerative medicine — one where AI actively designs new therapies to rejuvenate our cells and extend healthy human lifespans.
In brief: Tech World Highlights
- Finland has launched the world’s largest industrial sand battery in the town of Pornainen, replacing a wood-chip heating plant and targeting up to 70% reductions in local heating emissions.
- California has reached a historic deal with Uber and Lyft, granting drivers the right to unionize while retaining their status as independent contractors.
- Anthropic now requires all Claude users to choose by September 28 whether or not they want their conversations used for AI training.
- ByteDance, TikTok’s parent company, is planning a share buyback from employees, valuing the company at over $330 billion.
- Prosecutors are seeking a 15-year prison sentence for Kakao founder Kim Beom-su over stock price manipulation during his battle to acquire SM Entertainment.
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