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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Angle Closure Glaucoma: Treatment01:28

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Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Related Experiment Video

Updated: Jun 9, 2025

Laser Capture Microdissection of Highly Pure Trabecular Meshwork from Mouse Eyes for Gene Expression Analysis
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Trabecular Meshwork Stem Cells for Glaucoma Treatment.

Yiqin Du1, Sridhar Bammidi2, Enzhi Yang3

  • 1Department of Ophthalmology, Morsani College of Medicine, University of South Florida, Tampa, FL, USA. yiqindu@usf.edu.

Methods in Molecular Biology (Clifton, N.J.)
|October 21, 2024
PubMed
Summary
This summary is machine-generated.

Stem cell therapy shows promise for treating primary open-angle glaucoma (POAG) by cultivating trabecular meshwork (TM) stem cells. These cells can be differentiated and transplanted to potentially reduce intraocular pressure (IOP) and preserve vision.

Keywords:
CultureDifferentiationGlaucomaIdentificationIntracameral injectionStem cellsTrabecular meshwork

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Area of Science:

  • Ophthalmology
  • Regenerative Medicine
  • Cell Biology

Background:

  • Elevated intraocular pressure (IOP) is the primary risk factor for primary open-angle glaucoma (POAG).
  • Reduced trabecular meshwork (TM) cellularity in POAG patients may cause conventional outflow pathway dysfunction, leading to elevated IOP.
  • Stem cell therapy is a promising approach for reducing IOP and preserving retinal ganglion cells.

Purpose of the Study:

  • To detail methods for TM stem cell cultivation and identification.
  • To describe the induction of TM stem cell differentiation into various cell types.
  • To outline the transplantation of differentiated TM stem cells into mouse anterior chambers for therapeutic applications.

Main Methods:

  • Cultivation and identification of trabecular meshwork (TM) stem cells.
  • Induction of TM stem cell differentiation, including achieving dexamethasone responsiveness and phagocytic function.
  • Transplantation of differentiated TM stem cells into the anterior chamber of mouse models.

Main Results:

  • Successful cultivation and identification of TM stem cells.
  • Demonstrated differentiation of TM stem cells into functional cell types.
  • Evidence of therapeutic potential following transplantation in animal models (results not detailed in abstract).

Conclusions:

  • Trabecular meshwork stem cell therapy offers a potential strategy for managing primary open-angle glaucoma.
  • Further research into TM stem cell differentiation and transplantation is warranted for clinical applications.
  • This approach may help reduce intraocular pressure and prevent vision loss in glaucoma patients.