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cover of episode Chai-2: The AI Model Accelerating Drug Discovery with Chai Discovery Co-Founders Jack Dent and Joshua Meier

Chai-2: The AI Model Accelerating Drug Discovery with Chai Discovery Co-Founders Jack Dent and Joshua Meier

2025/7/3
logo of podcast No Priors: Artificial Intelligence | Technology | Startups

No Priors: Artificial Intelligence | Technology | Startups

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Joshua Meier: 我认为早期AI药物发现公司没有取得成功,但最近蛋白质结构预测和生成模型的进步使我们相信现在是成立公司的正确时机。我们押注蛋白质结构预测将显著提升,特别是蛋白质折叠领域。药物发现需要理解多个分子间的相互作用,而不仅仅是单个蛋白质的结构。我们认为扩散模型和语言模型的突破将使我们能够进一步提升分子相互作用的预测能力。之前的AI生物公司实验室整合过于紧密,缺乏可移植的AI平台。我们希望建立一个通用且可应用于多个领域的AI平台,以实现生物学从科学到工程的转变。 Jack Dent: 在我意识到AI技术将对整个行业产生重大影响后,我决定加入Chai Discovery。分子工程的进步将对社会和人类健康产生深远影响。这是一个平台级的转变,很难拒绝参与。

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AI has already fueled breakthroughs in biotechnology—but now, further advances in AI are poised to fuel pharmaceutical discoveries as well. Sarah Guo sits down with Joshua Meier and Jack Dent, co-founders of Chai Discovery, whose newly launched Chai-2 designs bespoke antibodies that bind to their targets at a jaw-dropping 20% rate. Jack and Joshua talk about the implications for Chai-2’s success rate at discovering antibodies for the pharmaceutical industry, how structure prediction is pivotal in making the model work, and future potential for using the model to optimize other molecular properties. Plus, they talk about what they believe bioscientists should be learning to best utilize Chai-2’s technology. 

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Chapters:

00:00 – Joshua Meier and Jack Dent Introduction

01:09 – Genesis of Chai Discovery

06:12 – Chai-2 Model

10:13 – Criteria for Specifying Targets for Chai-2

13:12 – How the Chai-2 Model Works

16:12 – Emergent Vocabulary from Chai-2

18:15 – Hopes for Chai-2’s Impact

20:33 – Reception of the Chai-2 Model

22:16 – Future of Wet Lab Screening and Biotech

27:08 – Optimizing Other Molecule Properties

31:37 – Where Chai Invests From Here

36:20 – What Bioscientists Should Learn for Chai-2

40:23 – How Jack and Josh Oriented to the Biotech Space

43:38 – Platform Investment and Chai-2

46:53 – Scaling Chai Discovery

48:21 – Hiring at Chai Discovery

49:09 – Conclusion