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相关概念视频

Mitochondria01:37

Mitochondria

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Mitochondria are eukaryotic cellular organelles that are known to produce energy through a process called oxidative phosphorylation. Besides their primary function, mitochondria are involved in various cellular processes, including cell growth, differentiation, signaling, metabolism, and senescence. Age-related changes cause a decline in mitochondrial quality and integrity due to increased mitochondrial mutations and oxidative damage. Thus, aging can severely impact mitochondrial functions,...
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Aging01:26

Aging

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Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
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The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

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Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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相关实验视频

Updated: Jul 6, 2025

A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging
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A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging

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人体试验探索抗衰老药物的人体试验

Leonard Guarente1, David A Sinclair2, Guido Kroemer3

  • 1Department of Biology, Massachusetts Institute for Technology, Cambridge, MA 02139; Academy for Healthspan and Lifespan Research (AHLR), New York, NY, USA.

Cell metabolism
|January 5, 2024
PubMed
概括

研究人员正在探索八种药物和天然化合物,以对抗与年龄相关的疾病. 临床试验表明,这些干预措施有可能减缓或逆转衰老,从而导致新的抗衰老药物.

关键词:
与年龄相关的疾病.自自是自的过程.甲胺是一种甲胺.尼古丁胺胺单核酸/NAD ((+) /西尔图因衰老是一种老化.

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Techniques to Induce and Quantify Cellular Senescence
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Techniques to Induce and Quantify Cellular Senescence

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Collection of Serum- and Feeder-free Mouse Embryonic Stem Cell-conditioned Medium for a Cell-free Approach
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Collection of Serum- and Feeder-free Mouse Embryonic Stem Cell-conditioned Medium for a Cell-free Approach

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相关实验视频

Last Updated: Jul 6, 2025

A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging
09:37

A Phenotyping Regimen for Genetically Modified Mice Used to Study Genes Implicated in Human Diseases of Aging

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Techniques to Induce and Quantify Cellular Senescence
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Collection of Serum- and Feeder-free Mouse Embryonic Stem Cell-conditioned Medium for a Cell-free Approach
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科学领域:

  • 老年学和翻译医学
  • 衰老的药理学 老龄化的药理学
  • 生物医学研究与年龄有关的疾病.

背景情况:

  • 衰老是一个复杂的过程,与许多慢性疾病有关.
  • 几种药物和天然化合物正在研究其抗衰老潜力.
  • 临床试验正在评估这些药物对与年龄相关的疾病的有效性.

研究的目的:

  • 总结关于八种有前途的抗衰老干预措施的当前知识.
  • 审查他们对年龄相关疾病的临床测试.
  • 讨论他们开发新抗衰老药物的潜力.

主要方法:

  • 审查当前关于选定的药物和天然化合物的科学文献.
  • 对正在进行和已完成的临床试验进行分析.
  • 评估药物重用在衰老中的潜力.

主要成果:

  • 八种药物 (甲胺,NAD+前体,GLP-1受体激动剂,TORC1抑制剂,精子胺,老化剂,益生菌,抗炎药) 显示出有前途.
  • 临床试验正在评估它们在糖尿病,心血管疾病,癌症和神经退行等疾病中的有效性.
  • 这些干预措施可能会减缓或逆转衰老过程.

结论:

  • 针对衰老过程的干预措施可能具有广泛的疾病预防效应.
  • 特定疾病的临床试验结果可以为抗衰老药物的开发提供信息.
  • 重新利用现有的药物可能为治疗衰老后果提供新的途径.