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From compliment to insult: genetics of the complement system in physiology and disease in the human retina

Robert F Mullins1,2, Alasdair N Warwick3, Elliott H Sohn1,2

  • 1Department of Ophthalmology and Visual Sciences.

Human Molecular Genetics
|May 9, 2017
PubMed

Insights

Age-related macular degeneration (AMD) involves the complement pathway, a key part of the immune system. Understanding its role may lead to new treatments for this common cause of vision loss.

Area of Science:

  • Ophthalmology
  • Immunology
  • Genetics

Background:

  • Age-related macular degeneration (AMD) is a leading cause of central vision loss.
  • Genetic studies link the complement pathway to AMD risk.
  • The complement system plays a role in retinal health and disease.

Purpose of the Study:

  • To review the complement system's function in the retina.
  • To explore the link between complement dysregulation and AMD pathogenesis.
  • To discuss therapeutic targeting of the complement system for AMD.

Main Methods:

  • Literature review of genetic association studies.
  • Analysis of research on complement function in retinal physiology.
  • Synthesis of data on complement dysregulation in AMD.

Main Results:

  • The complement pathway is crucial for normal retinal development and function.
  • Aberrant complement activation is implicated in AMD development.
  • The choriocapillaris is a key site of complement-mediated damage in aging eyes.

Conclusions:

  • The complement system is a significant factor in AMD.
  • Targeting the complement pathway offers a potential therapeutic strategy for AMD.
  • Further research into complement modulation may prevent AMD-related vision impairment.

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