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cover of episode Audio long read: How quickly are you ageing? What molecular ‘clocks’ can tell you about your health

Audio long read: How quickly are you ageing? What molecular ‘clocks’ can tell you about your health

2025/3/28
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Nature Podcast

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Matthew Dawson: 我负责向Kim Kardashian公布了她的生物年龄测试结果,显示她的身体衰老速度比同龄人慢18%。这体现了我们测试的准确性和价值,也引发了公众对生物年龄检测的关注。 Terry Moffitt: 我对我的研究成果出现在真人秀节目中感到非常震惊和不满。我希望我的研究能够用于医学决策或评估抗衰老疗法的效果,而不是成为真人秀节目的噱头。这突显了科学研究成果的应用和传播需要谨慎,避免被误用或曲解。 Brian Chen: 目前关于生物年龄和衰老研究领域存在很多混淆,一些科学家为了获得更多关注和资金而夸大其词。消费者对测试结果的解读也存在误区,这需要我们加强科普教育,避免不切实际的期望。 Matt Kaeberlein: 目前该领域发展迅速,但未来这些测试对该领域是利是弊还很难说,声誉受损难以挽回。我们需要谨慎乐观,避免过度炒作,确保研究的严谨性和可靠性。 Alina Slagbaum: 我选择代谢组学测试是因为它能更清晰地解释生物标志物背后的机制。与其他方法相比,代谢组学能提供更全面的信息,帮助我们更好地理解衰老过程。 Jamie Justice: 旨在延长健康寿命的疗法、干预措施或生活方式改变必须带来可衡量的益处,而不仅仅是DNA的化学成分。我们需要关注的是人的功能、感受和生存状况,而不是仅仅关注DNA的化学成分。 Maddy Mockery: 要将生物标志物用于临床试验,需要进行大量的验证工作,包括在不同的群体和特定条件下进行重复研究。目前许多研究夸大了生物标志物的成熟度,这需要我们更加严谨地进行研究。 Marija Slauskas: 对“生物年龄”的定义缺乏共识,这使得对涉及表观遗传时钟的研究结果进行解读变得复杂。我们需要在科学界达成共识,才能更好地理解和应用这些测试结果。 Ryan Smith: 我们的测试旨在赋能用户,而不是制造虚假的安全感或焦虑。我们相信知识就是力量,但同时也要强调测试的局限性,避免用户误解。 K. Berline: 一些医生建议他们的病人进行这些测试,但我选择不将这些测试纳入Optispan的临床项目。我们需要谨慎评估这些测试的临床价值,避免过度应用。 Steve Horvath: 虽然我的测试能够准确预测一个人的生理年龄,但在预测健康寿命或死亡时间方面表现不佳。这说明我们对衰老机制的理解仍然有限,需要进一步的研究。

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The podcast discusses the emerging field of biological age testing using molecular clocks, highlighting the enthusiasm and apprehension among researchers. It explores various methods and their limitations, including uncertainties in interpretation and the risk of inflated expectations.
  • Scientists are developing tests to measure biological aging using chemical markers on DNA (methylation), proteins, or metabolites in blood.
  • These biomarkers aim to aid in developing anti-aging therapies, but their interpretation is often uncertain.
  • Concerns exist about hype, elevated expectations, and the need for validation before widespread use.

Shownotes Transcript

With money pouring in and an unprecedented level of public attention and excitement, scientists are publishing a steady stream of papers on ways to measure how rapidly a person’s body is declining.

However, there are mixed feelings of enthusiasm and apprehension among researchers about efforts to develop tests that measure the impact of ageing on the body, as they are often interpreted and presented without a full reckoning of the uncertainties that plague them.

This is an audio version of our Feature: How quickly are you ageing? What molecular ‘clocks’ can tell you about your health) Hosted on Acast. See acast.com/privacy) for more information.