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The Glaucoma Research Group

The Glaucoma Research Group (GRG) was founded in 1998 and encompasses members of research laboratories involved in all aspects of glaucoma-related research and clinicians involved in the management and treatment of glaucoma. The GRG meets on an as needed basis to discuss research and clinical activities of individual groups.

Glaucoma research is highly varied on the campus of the University of Wisconsin. The mixture of clinical and research interests in the group helps align the mission of developing cutting edge research for the current and future treatment of glaucoma in the clinic. Clinician input is considered a vital component of the success of the GRG mission, as it helps focus the process of experimental design with relevant issues in the treatment of the disease and provides an interactive working relationship for the optimal use of animal models of the disease in translational research.

Mission

To create an interactive group of researchers and clinicians on the campus of the University of Wisconsin to foster the advancement of glaucoma research and treatment.

Vision Statement

The principal vision of the GRG is to become the premier center for glaucoma research in the United States.

MEMBERSHIP AND DEPARTMENTAL AFFILIATION

Terri L. YoungThe Glaucoma Research Group

Terri L. Young

Peter A. Duehr Professor of Ophthalmology, Pediatrics and Medical Genetics; Chair of the Department of Ophthalmology and Visual Sciences

Paul L. KaufmanThe Glaucoma Research Group

Paul L. Kaufman

Ernst H. Bárány Professor of Ocular Pharmacology, Department Chair Emeritus

Curtis R. BrandtThe Glaucoma Research Group

Curtis R. Brandt

UW Medical Foundation Professor; Vice Chair of Research

crbrandt@wisc.edu

Yao LiuThe Glaucoma Research Group

Yao Liu

Assistant Professor

Stuart W. J. Tompson

Stuart W. J. Tompson

Associate Scientist

T. Michael NorkThe Glaucoma Research Group

T. Michael Nork

Professor

Colleen M. McDowellThe Glaucoma Research Group

Colleen M. McDowell

William and Phyllis Huffman Research Professor

cmmcdowell@wisc.edu

Nader SheibaniThe Glaucoma Research Group

Nader Sheibani

Professor

Donna PetersThe Glaucoma Research Group

Donna Peters

Professor, Pathology and Laboratory Medicine

dmpeter2@wisc.edu

Gillian McLellanThe Glaucoma Research Group

Gillian McLellan

Associate Professor

Barbara E. K. KleinThe Glaucoma Research Group

Barbara E. K. Klein

Professor

Andrew T. ThliverisThe Glaucoma Research Group

Andrew T. Thliveris

Vice Chair of Resident Education; Residency Director; Professor

Gregg A. HeatleyThe Glaucoma Research Group

Gregg A. Heatley

Professor

Faculty and staff from several departments and schools across the UW campus are members of the GRG, and include the Departments of Ophthalmology and Visual Sciences (DOVS – listed above), Physiology, Anatomy, Pharmacology, and Pathology in the SMPH, and members of the School of Veterinary Medicine (listed below).

  • Paul Miller – Surgical Sciences (School of Veterinary Medicine)
  • Mark Filla – Pathology and Laboratory Medicine

In addition to the above listed Faculty and Staff members, the GRG is open to and welcomes all members from individual research programs, including technical personnel and graduate students.

Areas of Research Focus

Glaucoma is a multifactorial complex disease that involves pathologies in the anterior chamber affecting the outflow of aqueous humor, and the neurodegeneration of the optic nerve and retinal ganglion cell somas in the retina. In addition to the traditional “inner retinal” disease component (retinal ganglion cell loss), there is increasing evidence that other retinal cell types are affected as part of the pathology. The UW GRG has vital and active research programs in virtually all areas of glaucoma research.

  • Cell and Molecular Biology – ongoing studies include the analysis of cellular interactions and the role of the cytoskeleton in cells of the trabecular meshwork, and the molecular pathology of retinal ganglion cell loss.
    Genetics – ongoing studies evaluate and fine map the genetic contributions to ocular hypertension and optic disc parameters in large-scale epidemiologic studies, linkage analysis to identify genes involved in the development of congenital glaucoma, and reverse genetic approaches in mice to identify glaucoma susceptibility alleles. In addition, a novel cat model of inherited congenital glaucoma is being developed and characterized.
  • Physiology – ongoing studies to monitor the changes in retinal function are being actively pursued, including the use of multifocal ERG, pattern ERG, and visual evoked potential measurements on both human glaucoma and non-human experimental glaucoma models. Anterior segment physiology studies investigate the effects of pharmacotherapy, surgical manipulations and gene therapy on IOP, aqueous humor formation and drainage.
  • Non-invasive imaging – the GRG is a leader in the use of non-invasive technologies (including OCT and GDx) to monitor structural retinal and optic nerve changes longitudinally in both humans with disease and animals models of experimental glaucoma.
  • Pharmacology and novel Therapeutics – both the development of small molecules and gene therapeutic approaches to enhance outflow and prevent ganglion cell loss are active programs in the GRG.
    Surgical management – programs include the development of novel anti-scarring treatments for the use in trabeculectomy surgery, and the evaluation of surgical IOP-lowering strategies in animal models of experimental glaucoma.

Technologies Utilized

A major strength of the GRG is the development and use of animal models for research. These models include experimental glaucoma in non-human primates and rodents, the DBA/2J mouse model of inherited glaucoma, and inherited congenital glaucoma in cats. In addition, members of the GRG utilize a variety of in vitro technologies, including anterior segment organ cultures, TM cell, retinal explants for regeneration, primary cultures of neonatal retinal ganglion cells, and the neuronal precursor 661W cell line.

Several members of the GRG facilitate operations of the DOVS Vision CORE modules, including the development of non-replicating viral vectors for gene therapy, quantitative molecular technologies (qPCR and Luciferase based gene expression studies, and genome wide SNP mapping), fluorescent microscopy, live cell imaging using spinning disc confocal microscopy, anterior and posterior segment physiology, and imaging in vivo.
Plans/desires for new membership (and mentoring plan): New membership is always welcome. Future plans are to expand the GRG to include active membership and become a vital resource for groups outside the UW sphere.

Areas of Expected/Desired Growth

Discipline and Space Requirements

Development of a Glaucoma Research Center – a long-range goal is to consolidate glaucoma research into a group of laboratories in close proximity to each other. Currently, glaucoma research in DOVS is equally split between the CSC and MSC. The acquisition of development funds would enable separated laboratories to consolidate programs and resources in one of the WIMR towers. This presents the opportunity for a named center on campus.

Addition and development of a zebrafish model of optic nerve disease to study the mechanisms of ganglion cell protection and optic nerve regeneration inherent in the zebrafish. Foster the development of an independent research program of Dr. Jon Skarie, who specializes in zebrafish biology.

Expansion of the vision CORE facilities to include an integrated genomics facility. A genomics facility would facilitate the modern genetics approach to the study of glaucoma and we expect that it would require planning for one or two new hires. A potential mechanism for this would be to bring in one or two glaucoma researchers under the umbrella of the epigenetics/genomics initiative underway at the Wisconsin Institute of Discovery.

Lifestyle Choices May Help Glaucoma Patients Preserve Eyesight

Jan 02 2020

Glaucoma is one of the leading causes of vision loss, affecting about 3 million people in the United States. Because there are no symptoms early on, about half of people with the disease don’t know…

Read More

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Last updated on: July 23, 2019