Articles tagged with Eye Diseases
Scientists at Kyoto University developed a chemical compound that can tag and remove mutant DNA sequences from mitochondria, potentially treating mitochondrial diseases. The approach overcomes existing problems with genetic material injection and antioxidant drugs.
Researchers developed a non-invasive optical technique using spectroscopy to identify structural changes in the brain and diagnose Alzheimer's disease. The new technology has potential as a simple, completely non-invasive method of early detection and could also assess treatment effectiveness.
Researchers discovered that CaMKII is a key regulator of the survival of retinal ganglion cells, which process visual information. Gene therapy reactivating CaMKII provided robust protection against vision loss in multiple disease and injury models.
Scientists found that HtrA1 protein levels decrease with age in individuals with chromosome 10 risk variants associated with age-related macular degeneration. The study identified HtrA1 as a protective factor, suggesting it maintains the integrity of the RPE-Bruch's membrane interface.
Researchers have discovered that the Usher syndrome type 1G protein SANS plays a crucial role in regulating splicing process, leading to errors in related genes and disease progression. The study aims to elucidate molecular basis of blindness in Usher syndrome patients.
A study published in Nature Communications found that the process removing old light sensors is disrupted in progressive blindness, leading to age-related macular degeneration. The researchers identified mTORC1 as a key component involved in photoreceptor recycling and suggest potential treatments using drugs against mTORC1.
A study published in Cell identified specific nerve cells and proteins that trigger the sneeze reflex, which may lead to new treatments for infectious respiratory diseases. The researchers found that stimulating these cells with a molecule called neuromedin B could induce sneezing, even without exposure to allergens or viruses.
Researchers developed a non-contact laser imaging system that can detect telltale signs of major blinding diseases in retinal blood and tissue, allowing for earlier diagnosis and management. The technology, known as photoacoustic remote sensing, improves patient comfort and test accuracy.
A study by Inselspital and RetinAI uses AI to predict anti-VEGF treatment demand for patients with AMD, RVO, and DME. The model achieved high accuracy in predicting treatment need, even at the initial visit or before the first injection.
Researchers developed classification criteria using machine learning to standardize language and identify characteristics that distinguish each disease. The criteria have been validated with over 90% accuracy within uveitic class.
A new AI-powered algorithm, WeakGCSeg, accurately detects and tracks ganglion cells in the retina, surpassing human expertise. This technology enables early diagnosis of neurodegenerative diseases like glaucoma, improving treatment options.
A new study reveals that retinal scans can identify early signs of Alzheimer's disease by detecting changes in blood vessels associated with the APOE4 gene. The research provides a potential path forward for early detection and treatment of neurodegenerative diseases.
A team of researchers identified a genetic mutation associated with exfoliation syndrome, the most common cause of glaucoma. The study found that people with exfoliation syndrome are twice as likely to carry damaging mutations in the CYP39A1 protein, which plays a crucial role in cholesterol processing.
Researchers at UW-Madison have developed a micro-molded scaffolding photoreceptor patch to deliver new photoreceptors to damaged or diseased retinas. The 'ice cube tray' scaffold can hold three times as many cells while reducing biomaterial usage.
A gene therapy protects eye cells in mice with a rare disorder, suggesting a combination approach may preserve vision in people with retinitis pigmentosa. Researchers found that using Txnip gene therapies, along with treatments for oxidative stress and inflammation, provided additional protection for the cells.
Researchers have discovered a new potential mechanism for age-related macular degeneration, suggesting that the structural organization of light-sensing cells may be affected by the disease. This finding offers hope for identifying new molecular targets to treat the condition and potentially reversing its effects.
Researchers at Penn Medicine have developed an RNA therapy that reversed blindness in a patient with a rare genetic disorder, improving vision over a 15-month period after a single injection. The treatment's durability and effectiveness provide new avenues for treating other ciliopathies.
A four-year clinical trial from the DRCR Retina Network found that early anti-VEGF injections slowed diabetic retinopathy progression, but did not improve vision at two years. Standard treatment remained effective in preventing further vision loss.
New contact lens technologies can diagnose diseases like diabetes and cancer, treat eye conditions, and enhance vision. Integrated circuits will enable intraocular pressure monitoring and retinal imaging for early disease detection.
A new study identifies gene variants that cause a metabolic deficiency in the eye, linking it to a rare eye disease called macular telangiectasia type 2. The research found that most patients have a serine deficiency that leads to toxic lipid accumulation, causing damage to retinal cells.
The University of Delaware lab will investigate the role of Elav11 and its partners in eye development under a four-year NIH grant. Researchers aim to understand mechanisms behind cataracts and lens abnormalities.
Scientists have discovered over a dozen gene variants causing the rare eye disease MacTel, which leads to progressive retinal degeneration. The study identifies PHGDH as a key enzyme essential for serine production, whose partial loss contributes to MacTel's development.
A small study presented at the Endocrine Society's annual meeting found that 17 out of 26 patients taking teprotumumab reported otologic symptoms, including subjective hearing loss and tinnitus. The authors recommend baseline audiogram testing to better understand this potential side effect.
The National Eye Institute's Data Commons now offers access to AREDS2 data, including thousands of participants with age-related macular degeneration. Researchers can analyze genomic and phenotypic data, as well as retinal images, to better understand the disease and develop new therapies.
Researchers are developing an ocular drug delivery system based on RNA nanotechnology to deliver therapeutics into the eye without requiring eye injections. This method aims to create a reservoir for medications to treat diseases over time, reducing adverse effects and increasing treatment efficiency.
A genetic defect has been identified as a key factor in the development of MacTel, an eye disease that can lead to vision loss and blindness. The discovery provides new insights into the condition and may enable clinicians to better diagnose and treat it.
Research suggests that people with severe retinopathy are more likely to have a diseased-looking brain on MRI. The study found an association between retinopathy and increased risk of stroke, dementia, and mortality in adults.
A new study found that dry eye disease significantly impacts visual function, daily activities, and work productivity. It also reveals a link between dry eye disease and increased anxiety, depression, arthritis, hearing loss, and irritable bowel disease.
Keratoconus Dystrophy affects 30% of people with Down syndrome, causing vision problems and potentially requiring corneal transplants. The research aims to identify individuals at risk and explore prevention options through the use of biospecimens from the DSA Biobank.
A new mobile app, Glaucoma in Perspective, provides glaucoma education in a simple, visual format to help patients and their families understand the potential impact of the condition on their lives. The app covers topics such as visual field tests, eye pressure management, and treatment options.
A study published in EClinical Medicine found a correlation between retinal ischemic perivascular lesions and increased risk of cardiovascular disease. Researchers identified this mark in patients who underwent optical coherence tomography scans, suggesting it could serve as a biomarker for heart disease.
Researchers at the University of Birmingham have developed a method to measure intraocular pressure using soundwaves, which could help detect glaucoma earlier. This non-invasive technique uses a smartphone to scan people's eyes, prompting early diagnosis and treatment to prevent blindness.
Researchers found that inhibiting RUNX1, a gene linked to retinal neovascularization, presents a promising therapeutic advance for treating age-related macular degeneration. The study showed that a RUNX1 inhibitor alone or in combination with standard treatment reduced CNV lesion size and vascular leakage.
Researchers found significant eye abnormalities in severe COVID-19 patients using MRI scans, suggesting the need for routine eye screening. The study also recommends dedicated exploration of eyes with high-resolution MRI, fundoscopy, and optical coherence tomography to detect nodules and monitor their impact.
Researchers at UIC aim to develop an antibody-based eye drop to treat dry eye and ocular surface disease caused by inflammatory and immune system disorders. The new treatment, which uses pooled human immune globulins, is expected to be particularly helpful for patients with immune-related dry eyes.
A new study reveals that the CLN3 gene mutation associated with Batten disease leads to degeneration of light-sensing photoreceptor cells in the retina. This understanding is crucial for developing new therapeutic strategies, including gene therapies and cell transplantation.
A new wearable device collects biofluids such as tears and saliva to analyze conditions like oral ulcers, oral cancer, and eye infections on a rapid, continuous basis. The sensors also administer medicine with microneedles through the skin, offering improved treatment options for patients.
A new study by NIH scientists reveals that prion disease affects the eye first, specifically targeting cone photoreceptor cells. The researchers used confocal microscopy to identify prion protein deposits in cones and rods, finding early damage in cilia and ribbon synapses.
Researchers developed a gene therapy strategy to treat Leber congenital amaurosis by adding copies of the normal CRX gene under its native control mechanism. This approach restored some CRX protein function and drove expression of opsins in patient-derived retinal organoids.
Researchers successfully transplanted human cadaver-derived retinal pigment epithelium (RPE) into non-human primate models, showing promise for treating macular degeneration and blindness. The study demonstrates the safety and feasibility of this approach, paving the way for potential human clinical trials.
Researchers at Stowers Institute for Medical Research have discovered a signaling pathway that regulates the secretion of proteins important for maintaining eye structure, including the ciliary body. This finding holds promise for early detection and treatment of degenerative eye conditions such as glaucoma.
Researchers from TalTech have made a groundbreaking discovery linking CTG repeat expansion to Fuchs' corneal dystrophy, a common eye disease affecting millions. The study reveals changes in TCF4 expression levels in patients with the disease, paving the way for potential treatment strategies.
Scientists at the University of Birmingham have identified a potential new treatment for open angle glaucoma, a neurodegenerative disease affecting over 70 million people worldwide. ILB has been shown to normalise matrix deposition and lower intraocular pressure in a pre-clinical model, paving the way for anti-fibrotic therapies.
Researchers at UCL developed a pioneering new eye test called DARC that can predict wet age-related macular degeneration (AMD) three years before symptoms appear. The test uses a fluorescent dye to detect stressed retinal cells, which then predicts future AMD activity.
Researchers Gustavo D. Aguirre, Jean Bennett, and Albert M. Maguire receive $1 million prize for developing FDA-approved gene therapy for Leber congenital amaurosis, a genetic disease causing visual impairments. Their work has enabled routine treatment of the condition, restoring vision in children and adults.
Researchers at Karolinska Institutet have discovered a connection between metabolic disturbance in retinal ganglion cells and high intraocular pressure. Rapamycin and pyruvate treatments showed protective effects in animal and cell models.
In a groundbreaking study, gene therapy injection in one eye significantly improved vision in both eyes, with 78% of patients experiencing significant visual improvement. The treatment has shown promise in treating Leber hereditary optic neuropathy (LHON), a blinding condition affecting approximately 1 in 30,000 people.
A phase 3 clinical trial involving 37 patients showed sustainable improvements in vision after 96 weeks, suggesting the gene therapy could be a safe and effective treatment for Leber hereditary optic neuropathy. The treatment unexpectedly seemed to work in both eyes, with DNA from the vectors found in both treated and untreated eyes.
Researchers developed a potential new treatment for glaucoma using a natural, biodegradable hydrogel that opens an alternate pathway for excess fluid to leave the eye. The treatment could provide an efficient alternative to current treatments without daily drops or surgery.
Scientists at the University of Southampton have made a breakthrough in reconstructing eye tissues from the outer retina using serial block face scanning electron microscopy. The study provides a clear picture of the 3D organisation of the retinal pigment epithelium, which could help understand causes of damage leading to sight loss.
Scientists from Trinity College Dublin have developed a new gene therapy approach that successfully protected the visual function of mice with dysfunctional mitochondria. The treatment also improved mitochondrial performance in human cells with OPA1 gene mutations, offering hope for treating diseases like Alzheimer's and Parkinson's.
Researchers at the University of Barcelona have identified a new function of the ataxin 3 gene, which causes Machado-Joseph disease, in the development of retina photoreceptors. This discovery provides insights into the molecular causes of rare diseases like ataxia and macular degeneration.
Researchers developed an AI-powered method to detect Parkinson's disease from retinal images, identifying smaller blood vessels as key features. The approach is less costly and more accessible than traditional brain imaging techniques.
A new study from City University London suggests that glaucoma eye tests can be accurately performed at home using a tablet-based device called Eyecatcher. The study found high accuracy rates (98%) and adherence, with potential to detect rapidly progressing cases of glaucoma earlier.
Researchers developed a novel deep learning method that requires less annotated image data to screen for diabetic retinopathy, achieving the same diagnostic performance as human experts. The method enables clinics to automate screenings and reduce referrals to specialized eye care centers.
A study found a high prevalence of type 2 diabetes (60.5%) among the Xavante population, with severe cases threatening sight. The researchers used a portable retinograph to detect diabetic retinopathy and found 16 cases, highlighting the need for screening in remote communities.
A team of researchers from Rensselaer Polytechnic Institute developed a deep neural network that can perform nearly as well as more complex dual-energy CT imaging technology. The algorithm produced high-quality approximations with a relative error of less than 2% using single-spectrum CT data.
Researchers will analyze stem cell activation with a focus on identifying novel mechanisms for how immature eye cells become mature visual cells. The goal is to develop regenerative therapies for diseases such as cataract, retinal degeneration, and heart disease.
Researchers developed SeSBAT, a computer program that analyzes magnetic resonance images to detect early signs of neurodegenerative diseases. The tool identifies biomarkers before symptoms appear, allowing for individualized monitoring and more accurate management.
A Chinese study suggests that wearing eyeglasses for over eight hours a day may provide some protection against SARS-CoV-2 infection. However, an infectious disease expert at Johns Hopkins Medicine cautions that the findings are not conclusive and more research is needed to confirm their validity.