Articles tagged with Genetic Disorders
A recent genetic study discovered 14 new developmental disorders in children, providing diagnoses for over 1,000 individuals and their families. The study revealed that nearly 400,000 annual births worldwide are affected by rare developmental disorders caused by spontaneous mutations.
A new genetic immunodeficiency has been characterized, allowing for the identification of patients at risk of fatal illnesses. Researchers have developed a unique platform to detect subtle immune system defects, enabling clinicians to provide timely treatments and preventive measures.
Researchers successfully used CRISPR-Cas9 technology to repair genetic mutations in blood stem cells of patients with chronic granulomatous disease, a rare and life-threatening disorder. The engineered cells maintained their gene edits long-term without side effects when implanted into mice.
Researchers successfully repaired a defective gene in blood-forming stem cells from patients with X-linked chronic granulomatous disease, suggesting a potential treatment approach. The study used CRISPR-Cas9 technology to correct a specific mutation in the CYBB gene, restoring normal functioning of white blood cells.
Richard Myers is investigating the Cyclin G-associated kinase (GAK) gene and its role in Parkinson's disease. His research aims to understand how increasing GAK levels may prevent cell death in PD.
Researchers at Duke University Medical Center have identified a potential treatment for Prader-Willi syndrome using G9a inhibitors. The study suggests that these small molecules can activate the maternal copy of the gene responsible for the disorder, leading to improved growth and lifespan in mice with Prader-Willi syndrome.
A low-carbohydrate ketogenic diet has been shown to alleviate symptoms of a rare inherited intellectual disability in mice genetically engineered with a Kabuki syndrome-like condition. The study suggests that correcting an imbalance in chromatin's open and closed states may improve mental function, offering new hope for treatment.
Researchers at the University of Rochester Medical Center have identified a potential new treatment approach for lysosomal storage disorders, which cause disruptions in cellular functioning. The study found that repurposed drugs can overcome toxic build-up in affected cells, improving survival rates and quality of life.
A team of researchers at the National Institutes of Health has uncovered a possible biochemical mechanism behind ACDC disease, which causes calcium buildup in the arteries. The study suggests that treating this condition with drugs like etidronate could help reduce calcification and potentially lead to an effective treatment.
Scientists have discovered a new mutation in the PKD1L1 gene associated with laterality defects and complex congenital heart disease. The study provides hope for affected families by offering prenatal or pre-implantation genetic diagnosis to prevent the condition from being passed on.
A new UCLA study confirms and extends earlier findings that the brains of people with autism have a distinctive pattern of unusual gene activity. This abnormality suggests possible targets for future autism drugs, and provides insights into brain development during the first decade of life.
Researchers found mutations in three genes involved in forming the hair shaft, which causes uncombable hair syndrome, a rare condition affecting around 100 documented cases worldwide. The discovery provides insights into mechanisms of healthy hair formation and secures clinical diagnosis with molecular genetic methods.
Researchers at Columbia University Irving Medical Center have demonstrated that vision loss associated with retinitis pigmentosa can be slowed dramatically by reprogramming the metabolism of photoreceptors. The treatment aims to correct downstream metabolic aberrations, rather than the underlying genetic defect.
Researchers have successfully used gene therapy to correct the faulty NPC1 gene in mice with Niemann-Pick disease type C1, improving symptoms and lifespan. The treatment has the potential to halt disease progression and improve quality of life for patients.
Researchers identified 13 gene groups common to all three mental disorders, including those involved in protein production, immune response and brain cell communication. The study suggests that targeting these shared pathways could lead to new treatment strategies.
Researchers have designed small compounds to correct mitochondrial dysfunction in Charcot-Marie-Tooth disease, potentially slowing its progression. The compounds, GoFuse and TetherX, work by targeting the mitofusin 2 protein, which is essential for healthy mitochondria and tissues.
Researchers found that providing GlcNAc supplement to Pngl-deficient flies prevents death, with nearly 70% surviving to adulthood. The study suggests a potential diet-based treatment for the rare disease NGLY1 deficiency.
Researchers used electronic health records and genome sequences to identify two genetic variations linked to age-related hearing impairment. The study found novel variations near the ISG20 gene and within TRIOBP, a gene previously associated with another type of hearing loss.
A Duke University study found that three genetic causes of microcephaly in mice share a common mechanism, involving the regulation of p53 protein. The research may improve understanding of microcephaly, autism, and other neurodevelopmental disorders.
A five-year study has identified 30 inherited genes linked to intellectual disability, a neurodevelopmental disorder affecting 213 million worldwide. The discovery could lead to DNA screenings and personalized therapeutic protocols to improve intellectual function.
A research team has identified mutations responsible for midline craniosynostosis, a type of skull-fusion disorder that affects the top of the skull. The study found that rare genetic variants in one gene interact with common changes near another gene to cause the disorder.
Researchers at Children's Hospital Los Angeles analyzed gene-disease findings to understand the co-occurrence of neurodevelopmental and mental illness with physical disorders. The study highlights the importance of a holistic approach to treating individuals, focusing on both physical and mental symptoms.
Researchers have discovered a nanotech-based delivery system that can carry the new drug into cells more effectively, improving its efficacy and allowing lower doses. This treatment shows promise for treating 50+ genetic disorders requiring brain targeting.
A comprehensive study on canine hereditary disorders found that 1 in 6 dogs carried genetic variants for diseases, and 1 in 6 previously unreported variants were discovered in a specific breed. The research highlights the importance of collaboration between academia and industry to improve dog health and welfare.
Researchers have linked a neurodevelopmental disorder to a mutation in the SON gene, which plays a crucial role in essential cellular processes. The discovery provides a new diagnostic tool and offers potential treatment options for patients with this condition.
A new approach uses computational tools and machine learning to compare patients' genomes to existing gene databases, accelerating diagnosis in rare genetic diseases. Comparing patient genes to their parents' also helps identify new disease-causing mutations.
Researchers discovered gene mutations linked to three new rare congenital heart disorders and found evidence of genetic differences between two forms of the disease. The study provides valuable insights into the genetic causes of non-syndromic CHD, which affects 90% of CHD patients worldwide.
Researchers have identified a new genetic syndrome tied to defects in protein transport, causing craniofacial abnormalities and developmental delays. The study found that mutations in the ARCN1 gene disrupt normal protein trafficking, leading to intellectual disability and bone development issues.
According to a study published in JAMA, children with trisomy 13 and 18 showed significant improvement in survival rates after undergoing surgical interventions. The study found that one-year survival for these children was around 20-30%, with some even surviving up to 10 years.
Researchers describe expanding scope of gene therapy targeting CNS diseases, including Alzheimer's and ALS. The article highlights rapid progress in viral vector development and delivery strategies for treating these conditions.
Scientists at Stowers Institute for Medical Research discovered a unifying cellular mechanism underlying Treacher Collins syndrome, a rare congenital disorder. Loss-of-function mutations in genes TCOF1, POLR1C, and POLR1D cause the condition, which affects craniofacial development and survival of progenitor neural crest cells.
Scientists discover gene BCL11A responsible for a new intellectual disability syndrome, which affects brain development and function. The study reveals that two healthy copies of the gene are necessary for normal brain cell development.
Researchers suggest combining genetics and cognitive bias studies to better understand mental health, finding that shared genes can make individuals prone to both positivity and negativity.
Researchers identified STN1 gene mutations as the cause of Coats plus syndrome, a telomeropathy that affects multiple tissues. The study found that cells with dysfunctional telomeres and decreased capacity to divide were characteristic of patients with Coats plus syndrome.
Researchers from Scripps Florida have discovered a link between bipolar disorder and the striatum, a brain region involved in motor planning and reward perception. The study identified 14 genes differentially expressed in bipolar patients compared to non-bipolar controls, suggesting a causal role in the disorder.
Researchers at Newcastle University have developed a genetic test to diagnose mitochondrial disorders, identifying six patients from four families affected by the disease. The test, which takes 2-3 days to produce results, has the potential to revolutionize diagnosis and treatment of this debilitating condition.
A study led by Queen Mary University of London suggests that genetic variation in ribosomal DNA could be driving how a mother's diet during pregnancy affects her offspring's weight and attributes. This discovery may shed light on the conundrum of disease inheritance, particularly for conditions like type 2 diabetes.
Labradors with elbow dysplasia showed improved mobility and stride characteristics after hydrotherapy, suggesting its potential as a therapeutic tool. The study also found benefits in healthy control groups, indicating swimming can be beneficial for dogs.
James F. Gusella, a renowned geneticist, will receive the William Allan Award for his substantial and far-reaching scientific contributions to human genetics and neurogenetics research. Dr. Gusella's work has mapped genes associated with neurological conditions such as Huntington disease, ALS, and Alzheimer disease.
Researchers have identified 84 potential inherited gene mutations that may contribute to severe forms of bipolar disorder. The study used advanced genome sequencing techniques to analyze DNA from 36 family members with the disease, finding rare genetic variations that were overrepresented in those with bipolar disorder.
Dr. David Valle will receive the Arno Motulsky-Barton Childs Award for Excellence in Human Genetics Education at ASHG's 66th Annual Meeting. He has made significant contributions to genetics education through various programs and publications, including the Predoctoral Training Program in Human Genetics.
A team of researchers has developed a method to identify different subtypes of neurons in the human brain, revealing unique characteristics that can lead to differences in cellular function. The study provides a unified framework to analyze individual neurons and could help diagnose and treat brain disorders.
Researchers found that about 1 in 400 people have 36 or more repeats of the gene, which could lead to a higher incidence of the disease. People with reduced penetrance may be at relatively low risk but play a larger role in transmitting the full penetrance gene to their children.
Researchers identified a genetic mutation in the ADRA2A gene that causes atypical lipodystrophy, characterized by excessive fat accumulation in the face and neck, but not in limbs. The mutation reduces adrenaline receptor function, leading to loss of lipid breakdown in adipocytes.
Seven pioneers in HIV/AIDS and epigenetics research receive NIDA's Avenir awards to support groundbreaking projects using genome editing, smartphones, and smart health technologies. These early-stage investigators will receive up to $300,000 per year for five years to advance addiction science.
Researchers developed a more effective, comprehensive and cheaper panel of genetic tests to detect bleeding or clotting disorders in patients. The new tests use genome sequencing technology to provide faster diagnoses and improve patient outcomes.
A study by the University of Helsinki reveals three novel canine genes associated with human rare disorders, including Caffey disease and van den Ende-Gupta syndrome. The discovery highlights the potential of comparative research for developing diagnostics and treatments.
A new mouse model of a genetically-linked type of autism has been developed to study the role of genes in the disorder and its underlying brain changes. The researchers found that targeting a specific brain receptor could ease repetitive behaviors and improve learning in some animals.
Scientists at McGill University have identified novel gene mutations that cause hereditary spastic paraplegia (HSP), a debilitating disease characterized by weakness or spasticity in the lower limbs. The discovery will aid in the development of treatments for HSP, with researchers predicting improved diagnosis and treatment options.
Researchers have identified Charcot-Marie-Tooth Disease as Christina Olson's condition, which led to her loss of mobility and hand use. The diagnosis was made by Marc Patterson after reviewing her medical history and Andrew Wyeth's artwork depicting her.
Promising results from clinical trials of globin gene transfer have eliminated the need for blood transfusions in some individuals with beta-thalassemias. Gene editing technologies hold promise to correct beta-globin deficiencies and reactivate fetal hemoglobin production, potentially leading to a cure for severe globin disorders.
Researchers at UT Southwestern Medical Center discovered that Fanconi anemia genes play a crucial role in selective autophagy, particularly in removing damaged mitochondria. This finding has implications for treating Fanconi anemia and certain cancers, including familial breast and ovarian cancer.
Researchers at the Universities of York and Leiden have created fluorescent chemical probes to measure acid alpha-glucosidase enzyme levels in human cells. This technology enables rapid detection of enzyme deficiencies, informing more effective treatments for Pompe disease and potentially other inherited conditions.
A new study shows that current carrier screening methods are insufficient and can give prospective mothers a false sense of security. Whole genome studies are needed to ensure both mates don't carry recessive mutations in the same gene(s). DNA-based screening can detect many more disease-causing genetic variations
Researchers at UMass Medical School identified a molecular pathway critical for maintaining smooth muscle tone, which may lead to new treatments for digestive disorders. The study found that genetic deletion of a specific enzyme led to loss of basal tone and fecal incontinence in mice.
A study published in the American Journal of Human Genetics reveals that PIGG gene mutations are the cause of intellectual disability with seizures and hypotonia. The discovery offers new insights into the development of cerebral nervous systems and provides a potential diagnostic tool for families affected by these disorders.
A new study by Binghamton University provides a unifying model for genetic disorders, revealing how subtle mutations of the LMNA gene disrupt cell commitment processes. This leads to confusion among cells, causing different organs to malfunction, resulting in various conditions like heart problems and premature aging.
A team of researchers from Massachusetts General Hospital has identified key biological processes involved in autism spectrum disorders (ASDs), including the overlap of two major signaling pathways. The study highlights the importance of understanding how these pathways interact to develop more effective treatments.
A state-of-the-art molecular genetic test, exome sequencing, has been found to greatly improve the diagnosis of neurogenetic disorders in children and adults. The test can identify disorders that may have gone undiagnosed for years with greater speed and accuracy.
Researchers have developed a new technology to examine gene expression in single cells, shedding light on the molecular causes of rare diseases. The study found highly variable and different gene expression patterns in single cells, even in the same organ.