cover of episode Predicting & Preventing Disease with Precision Medicine | Dr. Jeremy Nicholson

Predicting & Preventing Disease with Precision Medicine | Dr. Jeremy Nicholson

2024/10/2
logo of podcast The Doctor's Farmacy with Mark Hyman, M.D.

The Doctor's Farmacy with Mark Hyman, M.D.

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Mark Hyman: 本期节目讨论了精准医学的最新进展,以及如何利用个体生物学信息来预测和预防疾病。重点关注了表型组学、代谢组学、微生物组学等技术在疾病诊断和治疗中的应用,以及如何将这些技术与系统医学相结合,从而实现个性化医疗。 Mark Hyman还强调了长期COVID-19的研究意义,以及如何利用表型医学方法来研究长期COVID-19的病理机制和治疗方法。他认为,传统医学的疾病诊断标准是人为设定的,忽略了疾病的连续性,而精准医学则关注疾病早期的生化信号,从而实现早期干预。 最后,Mark Hyman展望了精准医学的未来,他认为,随着机器学习和人工智能等技术的不断发展,我们将能够更好地理解疾病的本质,并开发出更有效的诊断和治疗方法。 Jeremy Nicholson: 精准医学不应仅局限于基因组学,还应考虑微生物组和环境因素的影响。微生物组在人体与环境的相互作用中起着关键作用,影响着人体健康。人体内微生物基因组的数量远大于人体自身基因组,对健康有重要影响。基因并非决定命运,基因表达受环境因素影响,精准医学应考虑基因与环境的相互作用。 表型组学是研究基因与环境相互作用的表达结果,可以通过多种方式进行测量。可以使用人工智能等方法从复杂的数据集中提取关键特征。代谢组学分析是研究人体健康和疾病的有用工具,因为它易于获取样本。饮食、运动、思想、睡眠、环境毒素等因素都会影响人体健康。 COVID-19对人体生物学的影响巨大,可以用于研究疾病的代谢图谱。长期COVID-19患者的生理指标异常,多次感染COVID-19会增加患长期COVID-19的风险。大多数疾病都可以看作是在代谢空间中的一系列轨迹,而衰老是这些轨迹累积的结果。 长期COVID-19并非单一疾病,而是多种疾病的集合,这些疾病的发生发展可能被COVID-19加速。色氨酸-犬尿氨酸通路紊乱与多种疾病有关,包括长期COVID-19。炎症会影响色氨酸转化为血清素的过程,产生对大脑有害的代谢产物。 可以考虑使用药物或膳食干预来治疗长期COVID-19,例如抑制IDO酶的药物或植物化学物质。精准医学的未来在于个性化治疗,根据个体生物学差异制定不同的治疗方案。为了使表型医学具有临床意义,需要开发快速、经济的检测技术。COVID-19研究催生了新的临床诊断技术,例如测量载脂蛋白B100与载脂蛋白A1比例的简易方法。COVID-19研究发现了新的细胞因子衍生物,这些衍生物可能具有抗病毒和抗癌作用。人体自身会产生抗病毒药物,这是一种古老的免疫机制。

Deep Dive

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Phenomic medicine is a new field that focuses on personalized treatment based on an individual's unique biology, including their genes, environment, and lifestyle. It differs from conventional medicine, which often takes a one-size-fits-all approach, by considering the complex interactions between genes, environment, and the microbiome to predict and prevent disease.
  • Phenomic medicine considers individual biology, including genes, environment, and lifestyle.
  • It aims to provide personalized treatments rather than a one-size-fits-all approach.
  • Conventional medicine primarily focuses on treating diseases after they develop, while phenomic medicine emphasizes prevention.

Shownotes Transcript

What if we could predict disease before it even starts? In this episode, I’m joined by Dr. Jeremy Nicholson to explore the cutting-edge science of precision medicine and how understanding your unique biology could hold the key to preventing illness. We dive into the future of diagnostics, the power of the exposome in shaping your health, and how advancements like gene editing could revolutionize treatment. 

In this episode, we discuss:

  • The emerging field of phenomic medicine

  • Moving away from one-size-fits-all treatments toward more personalized medical approaches based on individual biology

  • Long COVID and its impact

  • The critical role of the microbiome in overall health, immune system function, and its direct influence on diseases

  • How the exposome, or all of the environmental exposures a person experiences, plays a crucial role in shaping health outcomes

  • Advanced technologies like metabolic profiling, which can reveal subtle biochemical signals and identify disease risks long before symptoms appear.

  • How gene-environment interactions drive the development of complex diseases, making personalized medical approaches crucial for effective treatment

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