Retinitis Pigmentosa Current Events

Retinitis Pigmentosa Current Events, Retinitis Pigmentosa News Articles.
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Gene mutation linked to retinitis pigmentosa in Southwestern US Hispanic families
Thirty-six percent of Hispanic families in the U.S. with a common form of retinitis pigmentosa got the disease because they carry a mutation of the arrestin-1 gene, according to a new study from researchers at The University of Texas Health Science Center at Houston (UTHealth) School of Public Health. (2017-06-26)

Lu receives grant from Research to Prevent Blindness organization
Qingxian Lu, Ph.D., assistant professor of ophthalmology and visual sciences at the University of Louisville School of Medicine, has received the $60,000 William and Mary Greve Special Scholar Award from the Research to Prevent Blindness organization. The funds will go toward Lu's research in retinitis pigmentosa, a group of genetic disorders that can lead to night blindness, loss of peripheral vision and total blindness. (2010-07-14)

Blindness study shows how gene causes middle-age sight loss
Chemical changes in the eye that can lead to blindness have been identified by scientists, a conference has heard. (2017-09-06)

OU researchers find way to prevent blindness in research model for retinitis pigmentosa
Researchers at the University of Oklahoma Health Sciences Center have found a way to use a radical new type of gene therapy to prevent blindness caused by retinitis pigmentosa, giving hope to the estimated 100,000 Americans who suffer from this debilitating disease. (2010-06-11)

Cause of hereditary blindness discovered
Medics at the RUB have found the cause of hereditary, progressive blindness: they have identified the previously unknown protein CCDC66, the loss of which initially leads to night blindness and in due course usually results in complete blindness. The researchers from the Department of Human Genetics led by Professor Dr. Jörg T. Epplen have demonstrated this using a mouse model. (2011-06-22)

Ribozymes To The Rescue: New UF Gene Therapy Shows Promise For Treatment Of Inherited Blindness
University of Florida researchers have designed a new genetic weapon that can--in laboratory animals--significantly slow progression of retinitis pigmentosa, a leading cause of inherited human blindness. (1998-10-09)

The genetics of blindness
Treatment for the most common inherited cause of blindness, retinitis pigmentosa, is one step closer, according to investigators at the Research Institute of the McGill University Health Centre (MUHC). They are the first to link two new gene mutations in two French-Canadian families to loss of vision in humans. Their findings are published in this month's issue of the American Journal of Ophthalmology. (2003-10-08)

Making the blind see: Gene therapy restores vision in mice
Take a look at this: Scientists made a huge step toward making the blind see, and they did it by using a form of gene therapy that does not involve the use of modified viruses. In a research report published in the April 2010 print issue of the FASEB Journal, scientists describe how they used a nonviral, synthetic nanoparticle carrier to improve and save the sight of mice with retinitis pigmentosa. (2010-03-31)

University of Utah ophthalmologist receives $100,000 from Research to Prevent Blindness
Research to Prevent Blindness, a New York-based foundation, has announced that University of Utah researcher Wolfgang Baehr, Ph.D., will receive the Nelson Trust Award for Retinitis Pigmentosa -- and an accompanying $100,000 to pursue new scientific leads to understand contributors to blindness. (2014-06-26)

Experimental treatments restore partial vision to blind people
Two experimental treatments, a retinal prosthesis and fetal tissue transplant, restored some vision to people with blinding eye diseases. The findings, presented at Neuroscience 2009, the annual meeting of the Society for Neuroscience and the world's largest source of emerging news on brain science and health, may lead to new treatments for the blind. Researchers also reported that an engineered protein restored vision in an animal model and identified ways to improve stem cell treatments. (2009-10-20)

Research offers insight on treatment for hereditary eye disease
Findings of a Dartmouth Medical School study may provide a step for treating as well as understanding an incurable debilitating eye disease that can eventually lead to blindness. (2003-09-30)

Scientists discover gene tied to profound vision loss
An exhaustive hereditary analysis of a large Louisiana family with vision issues has uncovered a new gene tied to an incurable eye disorder called retinitis pigmentosa, according to an examination led by scientists at The University of Texas Health Science Center at Houston. It is a family of eye diseases that affects more than 200,000 people in the United States and millions worldwide. (2015-01-15)

Immune system can slow degenerative eye disease, NIH-led mouse study shows
A new study shows that the complement system, part of the innate immune system, plays a protective role to slow retinal degeneration in a mouse model of retinitis pigmentosa, an inherited eye disease. This surprising discovery contradicts previous studies of other eye diseases suggesting that the complement system worsens retinal degeneration. The research was performed by scientists at the National Eye Institute (NEI), part of the National Institutes of Health, and appears in the Journal of Experimental Medicine. (2019-06-17)

Widespread errors in 'proofreading' cause inherited blindness
Research has shown that mistakes in 'proofreading' the genetic code of retinal cells is the cause of a form of inherited blindness, retinitis pigmentosa (RP) with splicing factor defects, which affects up to 2.5 million people worldwide. (2018-10-12)

Biological cause of one form of blindness identified by SLU researchers
Saint Louis University researchers have discovered the cause of one form of retinitis pigmentosa, a type of genetically inherited blindness. The research, which will be published Tuesday in the April 27 Proceedings of the National Academy of Sciences (PNAS), opens the door to the development of new treatments. (2004-04-28)

Altering eye cells may 1 day restore vision
Doctors may one day treat some forms of blindness by altering the genetic program of the light-sensing cells of the eye, according to scientists at Washington University School of Medicine in St. Louis. (2013-01-25)

Stem cell-based screen identifies potential new treatments
In a recent study published in Stem Cell Reports, Seba Almedawar, PhD, and colleagues with the Center for Regenerative Therapies TU Dresden, Germany, used induced pluripotent stem cells (iPSCs) derived from the skin of healthy donors and of patients with retinitis pigmentosa to find drugs with the potential to enhance RPE phagocytosis. (2020-11-25)

Transcription factor scan identifies genetic cause for inherited blindness
A ChIP-Seq based approach revealed the key regulatory role of the transcription factor Crx and the cis-regulatory architecture of photoreceptors. In-depth analysis with the Genomatix Genome Analyzer lead then to the identification of nonsense mutations in the human FAM161A gene, which are responsible for RP28-associated recessive retinitis pigmentosa. (2010-11-18)

Gene editing technique improves vision in rats with inherited blindness
A new technique that has the potential to treat inherited diseases by removing genetic defects has been shown for the first time to hinder retinal degeneration in rats with a type of inherited blindness, according to a Cedars-Sinai study. (2016-01-07)

Gene therapy: Novel targets come into view
Retinitis pigmentosa is the most prevalent form of congenital blindness. Using a retinitis pigmentosa mouse model, researchers from Ludwig-Maximilians Universitaet (LMU) in Munich have now shown that targeted activation of genes of similar function can compensate for the primary defect. (2020-09-02)

CRISPR used to repair blindness-causing genetic defect in patient-derived stem cells
Scientists have used a new gene-editing technology called CRISPR, to repair a genetic mutation responsible for retinitis pigmentosa (RP), an inherited condition that causes the retina to degrade and leads to blindness in at least 1.5 million cases worldwide. (2016-01-27)

Eye doctor receives Visionary Award
Eliot L. Berson, M.D., director of the Berman-Gund Laboratory for the Study of Retinal Degenerations located at the Mass. Eye and Ear, recently received the Foundation Fighting Blindness Visionary Award. Mr. Gordon Gund, Chairman of the Maryland-based Foundation Fighting Blindness, presented Dr. Berson with the award at the foundation's (2012-06-29)

Strategy prevents blindness in mice with retinal degeneration
New research published in Nature Communications outlines a strategy that in mouse models significantly delayed the onset of blindness from inherited retinal degeneration such as retinitis pigmentosa. (2018-05-01)

Researchers develop gene therapy that could correct a common form of blindness
A new gene therapy has the potential to treat a common form of blindness that strikes both youngsters and adults. The technique works by replacing a malfunctioning gene in the eye with a normal working copy that supplies a protein necessary for light-sensitive cells in the eye to function. Several complex steps remain before the gene therapy technique can be used in humans, but once at that stage, it has great potential to change lives. (2012-01-23)

Gene therapy for blindness clears hurdle in mice
University of Florida Genetics Institute researchers were able to use interfering RNA in experiments with mice to quiet a gene that plays a crucial role in a leading cause of inherited blindness. Disabling the gene is a step toward developing a gene therapy to treat people with retinitis pigmentosa, an inherited disease that attacks the light-sensing cells in the eye. (2007-03-14)

In blinding eye disease, trash-collecting cells go awry, accelerate damage
Spider-like cells inside the brain, spinal cord and eye hunt for invaders, capturing and then devouring them. These cells, called microglia, often play a beneficial role by helping to clear trash and protect the central nervous system against infection. But a new study by researchers at the National Eye Institute (NEI) shows that they also accelerate damage wrought by blinding eye disorders, such as retinitis pigmentosa. NEI is part of the National Institutes of Health. (2015-07-02)

Nanoparticles help Mayo Clinic researcher deliver steroids to retina
Hitching a ride into the retina on nanoparticles called dendrimers offers a new way to treat age-related macular degeneration and retinitis pigmentosa. (2011-12-13)

Scientists successfully awaken sleeping stem cells
Scientists at Schepens Eye Research Institute have discovered what chemical in the eye triggers the dormant capacity of certain non-neuronal cells to transform into progenitor cells, a stem-like cell that can generate new retinal cells. The discovery, published in the March issue of Investigative Ophthalmology and Visual Science, offers new hope to victims of diseases that harm the retina, such as macular degeneration and retinitis pigmentosa. (2008-03-18)

Improving the view on the genetic causes of retinitis pigmentosa
Scientists have discovered that mutations in REEP6 -- a gene that until now had not been associated with a human disease -- can explain some of the cases of retinitis pigmentosa that lacked a genetic diagnosis. (2017-01-13)

Secrets of the cilia: Kidney disease and blindness share common genetic defect
Scientists at the University of Michigan Medical School have discovered a gene called NPHP5 and found mutations in this gene that cause a rare genetic disease called Senior-Loken syndrome. Children with this syndrome develop a type of cystic kidney disease called nephronophthisis*, as well as a form of blindness called retinitis pigmentosa. (2005-03-02)

Ophthalmologists implant five patients with artificial silicon retina microchip
Ophthalmologists at Rush University Medical Center implanted Artificial Silicon Retina (ASR) microchips in the eyes of five patients to treat vision loss caused by retinitis pigmentosa (RP). The implant is a silicon microchip 2mm in diameter and one-thousandth of an inch thick, less than the thickness of a human hair. (2005-04-28)

Blindness Linked To The Cytoskeleton?
A research group at the Max Planck Institute for Molecular Genetics in Berlin identified the gene defect underlying a specific form of hereditary blindness, known as retinitis pigmentosa (nature genetics, Vol. 19, No. 4, August 1998). (1998-08-04)

University of Utah study suggests cellular waste to blame for a form of blinding eye disease
Gene mutations that impair the ability of photoreceptor cells to properly dispose of waste - and as a result cause the blinding eye disease retinitis pigmentosa - have been identified by vision researchers at the University of Utah's Moran Eye Center. The discovery raises concerns that carbonic anhydrase inhibitors (medications often used to treat both heart and eye diseases) may adversely affect vision. (2004-11-24)

Bionic Vision Australia puts bionic eye in sight
Bionic Vision Australia today unveils their wide-view neurostimulator concept -- a bionic eye that will be implanted into Australia's first recipient of the technology. (2010-03-30)

FDA recommends approval for Second Sight's Argus II retinal prosthesis system in the USA
US Food and Drug Administration (FDA) Ophthalmic Devices Advisory Panel unanimously voted 19-0 that the probable benefit of the Argus II Retinal Prosthesis System outweighs the risks to health, an important step toward the FDA market approval of this product manufactured by Second Sight Medical Products, Inc. The innovative retinal implant partially restores vision to patients who are blind due to Retinitis Pigmentosa. (2012-10-03)

New device offers hope to people blinded due to incurable eye disorders
Research presented today at the 117th Annual Meeting of the American Academy of Ophthalmology shows promising data about a device that helps people who have lost their vision due to a blinding genetic disease to recognize common objects. In the study, the researchers found when the objects' outlines had been enhanced, there was increased recognition. The device, called the Argus II, is the first FDA-approved retinal implant for adults with retinitis pigmentosa. (2013-11-16)

Avatar worms help to identify factors that modify genetic diseases
C. elegans worms were genetically edited by CRISPR to introduce human mutations that cause retinitis pigmentaria. The final aim of the project was study which factors influence disease development apart from the main mutation. (2020-01-21)

Researchers discover way to make cells in the eye sensitive to light
Researchers have discovered a way to make light sensitive cells in the eye by switching on a single gene. (2005-01-26)

After blindness, the adult brain can learn to see again
More than 40 million people worldwide are blind, and many of them reach this condition after many years of slow and progressive retinal degeneration. Little is known about whether the brain of blind people retains residual capacity to process restored or artificial visual inputs. A new study publishing Oct. 25 in the open-access journal PLOS Biology investigates the brain's capability to process visual information after many years of total blindness, by studying blind patients. (2016-10-25)

New gene discovered for new form of intellectual disability
The Centre for Addiction and Mental Health has discovered a new form of intellectual disability involving mental retardation along with the eye defect retinitis pigmentosa. CAMH also discovered the previously unidentified gene that causes this disorder, CC2D2A. This scientific advance will help understand the developmental and biological processes involved in brain development, and may help identify ways to diagnose and treat intellectual disabilities. (2008-04-24)

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