Related Experiment Video
Updated: Aug 20, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
Published on: February 15, 2022
p21WAF-1/Cip-1 gene therapy as an adjunct to glaucoma filtration surgery
Isabella A Atencio1, Zoe Chen, Quang H Nguyen
1Canji Inc, 3525 John Hopkins Court, San Diego, CA 92121, USA.
Abstract:
Glaucoma is a blinding eye disease characterized by elevated intraocular pressure (IOP). Glaucoma filtration surgery (GFS) is designed to reduce IOP, but wound healing responses to the procedure can result in surgical failure. Anti-metabolites used in conjunction with GFS are commonly employed to control the wound healing response, but have unwanted side effects. This review describes the therapeutic potential of ocular gene therapy using an adenovirus vector containing the human p21WAF-1/Cip-1 gene (rAd-p21) to control unwanted wound healing post-GFS. Here, we summarize encouraging preclinical data in relevant models, and propose rAd-p21 gene therapy as an alternative to the currently used methods of wound healing modulation.
Insights
Ocular gene therapy using rAd-p21 shows promise in controlling wound healing after glaucoma filtration surgery (GFS). This approach may offer a safer alternative to anti-metabolites for preventing surgical failure and preserving vision.
Area of Science:
- Ophthalmology
- Molecular Biology
- Regenerative Medicine
Background:
- Glaucoma is a leading cause of blindness, often managed with glaucoma filtration surgery (GFS).
- Post-surgical wound healing can lead to GFS failure, necessitating further interventions.
- Current anti-metabolite treatments for wound modulation have significant side effects.
Purpose of the Study:
- To review the therapeutic potential of ocular gene therapy for modulating wound healing post-GFS.
- To evaluate the use of an adenovirus vector carrying the human p21WAF-1/Cip-1 gene (rAd-p21) as a novel treatment strategy.
Main Methods:
- Review of preclinical data from relevant animal models.
- Analysis of gene therapy mechanisms targeting cellular proliferation and wound response.
Main Results:
- Preclinical data suggest rAd-p21 effectively controls wound healing responses.
- The gene therapy approach demonstrates potential for IOP reduction and sustained surgical success.
Conclusions:
- Ocular gene therapy with rAd-p21 presents a promising alternative to current anti-metabolite treatments.
- rAd-p21 gene therapy offers a potentially safer and more effective method for modulating wound healing after GFS.
Related Concept Videos
Angle Closure Glaucoma: Treatment
Open Angle Glaucoma: Treatment
Drugs such as carbonic anhydrase inhibitors, α2- and...
Glaucoma: Overview