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Related Experiment Videos

Cochlin and glaucoma: a mini-review.

Sanjoy K Bhattacharya1, Neal S Peachey, John W Crabb

  • 1Cole Eye Institute, Cleveland Clinic Foundation, Cleveland, OH 44195, USA. bhattas@ccf.org

Visual Neuroscience
|December 8, 2005
PubMed
Summary
This summary is machine-generated.

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Cochlin protein may play a role in primary open angle glaucoma (POAG) development. Studies in DBA/2J mice suggest cochlin accumulation in the trabecular meshwork could contribute to elevated intraocular pressure and optic nerve damage.

Area of Science:

  • Ophthalmology
  • Glaucoma Research
  • Proteomics

Background:

  • Primary open angle glaucoma (POAG) is a major cause of irreversible blindness.
  • Elevated intraocular pressure (IOP) is a key factor in POAG pathogenesis.
  • The exact etiology of POAG remains poorly understood.

Purpose of the Study:

  • To review findings implicating cochlin in POAG.
  • To explore the potential causal role of cochlin in elevated IOP and glaucoma.
  • To highlight the utility of DBA/2J mice as a model for POAG research.

Main Methods:

  • Proteomic and Western blot analyses of human trabecular meshwork (TM).
  • Comparison of TM from POAG patients and age-matched controls.
  • Analysis of cochlin and collagen type II levels in TM.

Related Experiment Videos

  • Investigation of cochlin presence in DBA/2J mouse models of glaucoma.

    • Main Results:

    • Cochlin deposits were found in glaucomatous TM but not in control TM.
    • Elevated cochlin and reduced collagen type II were observed in older glaucomatous TM.
    • Cochlin was present in young DBA/2J mice before IOP elevation, suggesting a potential early role.
    • Cochlin was absent in mouse strains that do not develop glaucoma.

    Conclusions:

    • Cochlin is a potential contributor to POAG pathogenesis.
    • Further research in DBA/2J mice is needed to confirm cochlin's causal role in elevated IOP and optic nerve damage.
    • Cochlin's presence prior to IOP elevation suggests it may initiate disease mechanisms.