A second major program in Neuroscience, i. These areas of clinical research interdigitate with the basic research in the MRRC. A third exciting program in Neuroscience, i. Merton Bernfield, addresses Studies 29 such areas as mechanisms of embryonic development, serpin biology and regulation of pregnancy duration. The multidisciplinary approaches to the research of this MRRC include the various basic science disciplines within Genetics and Neuroscience, and the clinical science fields of Neurology, Pediatrics, Neonatology, Infectious Disease, Endocrinology, Metabolism, Genetics, Cardiology, Neurosurgery, Neuropathology, Ophthalmology, Psychiatry, and Psychology.
The basic science programs are housed in over 70, square feet of the Enders Pediatric Research Building. The clinical research programs are centered in the adjacent Children? The goal of the fellowship program is to develop independent investigators, capable of assuming leadership roles in clinical investigation. The proposed fellowship program will be based in the clinical division of Ocular Immunology in the Department of Ophthalmology but will interact with the multidisciplinary Graduate Training Program in Clinical Investigation at Johns Hopkins and with the Johns Hopkins Center for Clinical Trials, which is based primarily in the School of Hygiene and Public Health.
A fellowship program has been designed which will provide for formal research training after one year of clinical fellowship in the area of uveitis and immune-mediated ocular disorders. Trainees will participate in structured schedule of didactic course work followed by a research project culminating in a thesis leading to an advanced degree e. The principal investigator will be the primary mentor for the clinical activities and for the research projects.
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Research experience will be derived from the principal investigator's ongoing patient-oriented research activities, including his chairmanship of the Studies of Ocular Complications of AIDS Research Group, and his own ongoing epidemiologic study into the occurrence of resistant cytomegalovirus CMV in patients being treated for CMV retinitis, the CMV Retinitis and Viral Resistance project.
Individuals successfully pursuing this training program should emerge well qualified to conduct patient-oriented research as independent investigators. One important subset of these diseases, retinitis pigmentosa RP , affects a terminally differentiated neuronal population, the rod photoreceptor, and leads to blindness. In 30 Ophthalmology contrast to the majority of other neurodegenerative diseases, RP is caused by wellcharacterized single gene defects, and affects an anatomically accessible portion of the nervous system.
The central hypothesis in this proposal is that despite differing genetic etiologies, mechanisms of neuronal degeneration converge upon common critical pathways. Identification of such pathways would advance understanding of neuronal homeostasis and is a prerequisite for developing effective therapies. The proposed research will combine two strategies to identify genes promoting photoreceptor death in multiple genetically distinct mouse models of retinal degeneration. The Principal Investigator PI has performed preliminary cDNA array experiments in the rd-1 mouse and has generated a working model of molecular events during early photoreceptor death.
Using rd-1 as a benchmark model, the PI will: 1 assess whether similar expression patterns occur in three additional, genetically distinct models of RP the rds mouse, the tulpl mouse and the rhodopsin mutant mouse and, 2 eliminate, in the rd-1 mouse, selected genes which are overexpressed in rd-1, and correlate the effects upon the rd-1 retinal phenotype and gene expression pattern. The PI has identified three genes [caspase-3, tumor necrosis factor receptor 1 TNFR1 , and early growth response-1 EGR-1 ], as candidates for this approach, and has performed preliminary experiments with caspase By integrating data from both strategies, the PI will be able to establish cause and effect relationships between individual genes that promote photoreceptor apoptosis in one or more models of RP.
The training and research undertaken will extend and broaden the candidate's previous training in veterinary medicine, anatomic pathology, and graduate training in molecular genetics of photoreceptor disorders, leading to true scientific independence. Colin Barnstable, Professor of Neurobiology and Ophthalmology, who is an internationally recognized molecular biologist using mouse models of retinal development and degeneration. This award will enhance the candidate's potential for success by providing support for investigations into the molecular genetics of exaggerate eye growth, or myopia.
Myopia, or nearsightedness is a refractive condition of the eyes with high incidence in the United States and one of the leading causes of blindness. Severe myopia predisposes the eye to glaucoma, macular degeneration, and retinal detachment.
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Genetic and environmental influences have been implicated, but specific factors responsible for myopia in humans have not bee identified. Several studies support the hypothesis that heredity is a major factor. In order to better understand the molecular genetics of myopia, we propose to characterize potential genetic factors of myopia through family studies with genome screening and linkage analysis.
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The overall goal of this proposal is to map genes responsible for familial severe myopia. Currently, 51 families have been recruited with an autosomal dominant pattern of inheritance of severe myopia refractive error less than or equal to 6. Highly informative short tandem repeat polymorphisms have been utilized to confirm linkage and subsequently narrow the chromosomal region of interest.
These potential candidate regions for myopia, as well as others that may be identified with the genome screen will be examined for mutations. This project is important to further our understanding of the molecular genetics of myopia, and may be generalized to enhance out understanding of the mechanisms of eye growth, whether normal, diminished, or excessive. Young's career goal is to flourish as a clinical scientist, with an established independent laboratory program in ophthalmic genetics.
Richard king, the proposed sponsor, has extensive experience in the genetic analysis of complex diseases. The co-sponsors in this proposal will provide expertise in molecular genetics, ophthalmic genetics, and statistical analysis and epidemiology. With the support of the Mentored Clinical Scientist Development Award, the candidate will obtain a solid foundation in molecular genetics.
These investigations will provide insight into the effects of substratum topography on cytoskeletal response and related cell signaling pathways. Completely synthetic matrices will be used that have nanotextured surfaces with features of similar type and dimension to that of the "native" corneal epithelial basement membrane. This allows the impact of nanoscale substratum topography, independent of specific ligand- receptor mediated events, to be evaluated.
It is possible that improved cell performance will be observed on nanoscale textured synthetic surfaces providing preliminary evidence on techniques to improve epithelial cell performance on corneal prosthetics. The candidate of this application has obtained the DVM degree and specialty training in Comparative Ophthalmology.
This proposal will coincide with achievement of the Ph. The training environment: In addition to having state of the art facilities, the University of Wisconsin fosters a rich collaborative environment between disciplines. The majority of supervision will be provided by Christopher J.
Murphy, an internationally known investigator in the areas of corneal wound healing and neuropeptides. The mentoring committee consists of respected experts in cell signaling and cytoskeletal interactions, nanoscale topographic surface fabrication, and imaging techniques. Diagnosis and interpretation of neuro-ophthalmologic disorders involves visual observations of the eye.
These visual elements can be captured and digitized for use as teaching and learning tools. Those elements involving motion are ideally suited for digital video, as they are completely visual and can usually be captured in short time periods. Understanding of the processes and movement involved in any given case would be greatly enhanced by carefully constructed supplemental animations. Much of the information can also be conveyed using still images. This project aims to create a model for development of digital collections through academic library and professional society partnerships using electronic publishing technologies and a collaboration between the Spencer S.
The project will initiate mechanisms for creating, indexing and sharing these digital media, enabling faculty, residents and students to find and use visual examples of neure-ophthalmologic problems for non-profit educational purposes. A shared digital repository will allow faculty, residents and students to witness and familiarize themselves with the unique traits of disorders that are rarely seen, as well as common neuro-ophthalmologic disorders.
These materials will be available for incorporation in personal, customized teaching and learning units. The goals of the project are to: Create a model for development of digital collections through academic library and professional society partnerships using electronic publishing technologies, resulting in a shared repository of digital neuro-ophthalmology materials. Utilize the Health Education Assets Library to standardize indexing to insure effective access and high quality search and retrieval, and to allow faculty contributions to the collection.
Provide a mechanism to allow educators to download material for incorporation into personal, customized educational units Promote and evaluate the use and impact of the collection Train content contributors, or technicians from contributor's institutions, in basic indexing and digitization techniques to insure continual growth and enhancement of the digital collection.
Many CL wearers are unaware of the potential risks. The most serious complication of CL wear is sight threatening corneal ulceration caused by microbial keratitis MK.
An estimated 30, cases of MK occur annually in the US. The use of CLs, especially extended wear lenses, is a significant risk factor for MK.
Only percent of CL wearers follow all of their recommended lens care instructions. A new sterilization method is proposed for CLs and lens cases that should improve patient compliance by simplifying their lens care regime and offer significant advantages over current disinfectants-at two orders of magnitude lower Studies 33 concentration the proposed biocide is more effective than hydrogen peroxide against a broader range of organisms. This proposal provides complete documentation of the ability of the Department of Ophthalmology and Visual Sciences of the University of Louisville College of Medicine to screen large numbers of ocular hypertensive patients and to enroll at lease 50 eligible patients over a month period.
Documentation is provided of the capabilities of the proposed investigators and their staff for performance of the study in accordance with the details of the OHTS Manual of Procedures. The chairman of the Department of Ophthalmology and Visual Sciences is an investigator and has committed the resources of the department to this study.
In addition, all fellowship-trained glaucoma specialists in the Louisville community are co-investigators and are committed to the success of this study. This unanimous support represents the strength of the commitment of the Department of Ophthalmology and the glaucoma community in Louisville to the Ocular Hypertension Treatment Study. Patients will be drawn from two general eye clinics, three glaucoma sub-specialty practices and d large health maintenance organization. We have space dedicated for clinical research.
We have experienced personnel to cross cover the study personnel. The principal and coinvestigators, along with other members of the UC Davis Department of Ophthalmology, have an established track record participating as clinical centers in large, multi-center studies. During the past several years, the principal and co-investigator have been involved in several collaborative studies of perimetry and clinical psychophysics in glaucoma EY In ongoing and active cooperation with practitioners in private 34 Ophthalmology practice, at the local Veterans Administration Outpatient Clinic and at a large multiclinic HMO Kaiser Permanente Medical Group , large numbers of ocular hypertensive patients have been successfully recruited and retained for longitudinal psychophysical studies.
From January 1, through December 31, , we have recruited and retained patients for these studies. These patients were recruited using selection criteria similar to those for the OHTS; using the somewhat stricter entry criteria established for OHTS, we estimate that we would have been able to recruit eligible patients during the same twelve month period.
This proposal provides complete documentation of the ability of the Department of Ophthalmology at the University of California, Davis to screen large numbers of ocular hypertensive patients and to enroll at least 50 eligible patients over a month period. Documentation is provided of the capabilities of the proposed investigators and their staff for the performance of the study in accord with the details of the OHTS Manual of Procedures, the nature and extent of their commitment to the Ocular Hypertension Treatment Study at the University of California, Davis, and a list of organizations and practitioners in the area who will refer or follow patients screened for enrollment and randomization to treatment in the OHTS clinical trial.
Customizing a matrix with such specific chemistry is an innovative approach to ocular inserts. The long duration of release at constant rates achieved via this approach, as evidenced by Phase I in vitro results, represents a significant advance in the field and will have implications on efforts at many companies and institutions working towards extended release of drugs in ophthalmology.
In Phase II we intend to show feasibility of the insert design in humans, as well as measure drug release rates in an animal model. Concurrently, we will develop a molding process similar to that used in contact lens manufacture.yuzu-washoku.com/components/2020-09-22/1778.php