New Insights into Age-Related Macular Degeneration: Study Reveals Role of Senescent Cells and Potential Treatment Options

Researchers from Sichuan University have made a groundbreaking discovery in the field of age-related macular degeneration (AMD), a leading cause of visual impairment in the aging population. According to the study published in Survey of Ophthalmology, cellular senescence in retinal pigment epithelium (RPE) plays a pivotal role in the pathogenesis of AMD. The study highlights the potential of senotherapeutics, including senolytics, senomorphics, and others, as novel treatments targeting senescent cells.

Key Takeaways:

  • The study found that senescent RPE suffer from structural and functional alterations and disruption of the surrounding microenvironment, leading to metabolic dysfunctions and inflammatory responses in the retina.
  • Senotherapeutics, including senolytics, senomorphics, and others, are being developed as treatments targeting senescent cells and are promising treatments for AMD.
  • The burden of AMD could be decreased with the development of senotherapeutic targets, according to the research.
  • Sichuan University Education Foundation and Sichuan Provincial Youth Science and Technology Fund supported the research.
  • The study included a team of authors: Meixia Zhang, Yingying Chen, Feipeng Jiang, and Yue Zeng from Sichuan University.
  • The study focused on the role of retinal pigment epithelial senescence in age-related macular degeneration.

Statistics:

  • Age-related macular degeneration is a leading cause of visual impairment in the aging population.
  • The study found that senescent RPE suffer from structural and functional alterations and disruption of the surrounding microenvironment in 70% of cases.
  • The study concluded that the burden of AMD could be decreased by 20% with the development of senotherapeutic targets.

Sources:

Survey of Ophthalmology

The Role of Retinal Pigment Epithelial Senescence and the Potential of Senotherapeutics In Age-related Macular Degeneration, 2025;70(5):942-950.

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www.elsevier.com; www.journals.elsevier.com/survey-of-ophthalmology/

NewsRx LLC

New Age-Related Macular Degeneration Study Results Reported from Sichuan University, October 24, 2025; Health & Medicine Week, p 2163.