Articles tagged with Mutation
A genetic study of childhood epilepsies has discovered two new genes associated with severe forms of the disease. The study used exome sequencing to identify disease-causing gene mutations and found an unusually large number of mutations, providing a wealth of information for epilepsy research.
Researchers at Michigan State University found that genetic background affects the outcomes of interactions between genetic mutations about 75 percent of the time. This discovery has huge implications for understanding how genes interact with each other, and may help explain why some people respond differently to treatments.
Researchers at Michigan State University have discovered that genetic mutations interact with an individual's genome background about 75% of the time, affecting disease outcomes. This finding has significant implications for understanding and treating diseases with a simple genetic basis, such as breast cancer.
Researchers will use whole genome sequencing to inform couples about reproductive risks before they conceive, testing for rare diseases like Tay-Sachs and Canavan. The study aims to provide accurate genetic information to help couples make informed reproductive decisions.
Researchers at Columbia University Medical Center discovered a new genetic mutation, KCNK3, linked to pulmonary arterial hypertension (PAH), a rare fatal disease. The mutation affects potassium channels in the pulmonary artery and can be reversed with a phospholipase inhibitor.
A Johns Hopkins study found that healthy people carrying a genetic mutation for arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) are at higher risk of developing symptoms if they participate in endurance sports and frequent exercise. Reducing exercise can lower this risk.
Researchers at Columbia University Medical Center have identified a genetic mutation that causes congenital malformations of the kidney and urinary tract. The findings suggest that DSTYK mutations account for 2.2% of urinary tract defects in humans, providing a new diagnostic category for clinicians to make precise molecular diagnoses.
A recent study found that lung cancer in women who have never smoked is more frequently associated with EGFR mutations and estrogen receptor (ER) overexpression. The researchers observed a higher percentage of these genetic abnormalities in patients who had not previously smoked, suggesting potential new treatment targets for this group.
Researchers discovered two key mutations that sparked a hormonal revolution 500 million years ago, leading to modern human reproduction, development, immunity, and cancer. These findings show how evolutionary analysis of proteins' histories can advance drug design and predict disease effects.
Researchers developed a staging system to track ALS disease progression, mapping out four distinct stages and identifying transmission patterns. The study's findings suggest a similar transmission process in other neurodegenerative diseases, such as Alzheimer's and Parkinson's, and may lead to new treatments like immunotherapies.
Researchers at the University of Exeter Medical School have diagnosed a rare condition, MDP Syndrome, in Paralympic hopeful Tom Staniford through genetic sequencing. The discovery may help Tom's bid to participate in the Rio 2016 Paralympic Games and improve understanding of type 2 diabetes.
Researchers discovered that the p63 protein acts as a genetic modifier for EEC Syndrome, with TAp63 determining its manifestation. The study reveals that levels of TAp63 determine whether children inherit the syndrome, providing new insights into this rare condition.
A recent study by Jay Storz and colleagues at the University of Nebraska-Lincoln found that the effects of individual mutations depend on the context in which they occur. The researchers used protein engineering to synthesize hemoglobin proteins with each naturally occurring mutation in all possible multi-site combinations, revealing t...
A new study from USC researchers has found that a genetic mutation in testis stem cells increases the production of sperm carrying the disease trait, making older fathers more likely to pass it along to their children. This mutation gives an edge over normal stem cells, resulting in higher frequencies of new cases every generation.
A recent study revealed a new mutation in atypical chronic neutrophilic leukemia (CNL) patients, allowing doctors to prescribe targeted treatment ruxolitinib. The treatment brought significant improvements to the patient's health, including reduced white blood cell counts and normalized other blood counts.
Researchers identified a genetic mutation in the MKRN3 gene that leads to premature puberty. The mutation is inherited from the father and disrupts protein function, triggering early reproductive hormone activation.
A large multi-generational family study has identified a genetic mutation that increases the risk of developmental dysplasia of the hip (DDH). The researchers found a common variant co-inherited by all affected family members, which may affect cartilage formation and delay development.
Researchers discovered that nearly two-thirds of solid tumors have genetic mutations that can be targeted by existing compounds. This finding suggests that routine tumor sequencing may become a standard practice in cancer treatment, enabling doctors to personalize treatment regimens for patients.
Researchers identified mutations in two genes involved in cellular metabolism as the cause of a rare syndrome characterized by reproductive failure, cerebellar ataxia, and dementia. The study found that blocking either gene had similar effects on brain development, suggesting they operate in a common pathway.
Scientists at UTMB discovered that Ebola short-circuits the immune system using proteins that shut down cellular signaling related to interferon, preventing dendritic cell maturation and generating an ineffective adaptive immune response. The researchers found that specific regions of two different proteins are crucial for this mechanism.
A recent study published in Science Translational Medicine has identified a genetic mutation that makes people more susceptible to migraine headaches. This finding is significant because it represents the first demonstration of a genetic cause for migraines, which could lead to new research avenues and potential treatments.
Giant axonal neuropathy is caused by mutations in the gigaxonin gene, leading to accumulation of neurofilament proteins. The study shows that gigaxonin regulates neurofilament protein degradation, shedding light on the molecular pathology of GAN.
Researchers identified BRCA2 gene mutation as first genetic factor for prostate cancer prognosis, associated with advanced disease and higher mortality rates. The study suggests a need for new treatment strategies for patients carrying these mutations.
Researchers identify C9orf72 mutation as cause of ALS and FTD, finding it creates an RNA sponge that soaks up Pur alpha protein, leading to neurodegeneration. The study provides insight into the disease mechanism and suggests a potential therapeutic strategy targeting the toxic RNA or its interaction with Pur alpha.
Researchers at Johns Hopkins Medicine have identified a novel modification of the lamin A protein that disrupts normal patterns of fat distribution in familial partial lipodystrophy (FPLD). The discovery provides new insights into the mechanisms underlying FPLD, a rare disease characterized by abnormal fat accumulation in certain areas...
Researchers have discovered a critical link between impaired protein digestion in neurons and familial Parkinson's disease. The study identifies LRRK2 mutations as a key contributor to alpha-synuclein accumulation, providing potential avenues for drug treatments or genetic therapies.
A new study has found that many individuals with a clinical diagnosis of Familial Hypercholesterolaemia (FH) may inherit small-effect changes in multiple genes, rather than a single gene mutation. This could lead to cost savings and more targeted treatment for patients.
Biologists at the University of Washington have found that mutant bacteria can escape extinction when environmental conditions worsen gradually or moderately. The study shows that 'relay team' of mutations emerging under these conditions provides protection against extreme stress, increasing chances of survival.
A study found that genetic variation within a single tree allows it to produce branches with leaves resistant to herbivory, while others are more susceptible. The variations in genes related to terpene production influence the leaves' edibility.
A study found that genetic testing revealed high-risk mutations in individuals but prompted them to take positive steps, including follow-up visits with a doctor and discussions with family members. The test results also led to a 'cascade effect' where relatives were subsequently tested and discovered they too had the mutation.
Researchers identified two new genes associated with severe early-onset heart rhythm disorders, expanding the list of culprits that can cause sudden cardiac death. Exome sequencing revealed de novo mutations in calmodulin genes, which impaired calcium binding and led to abnormal electrical activity in the heart.
Research identifies epigenetic changes in Hutchinson-Gilford Progeria and Werner Syndrome patients, revealing a potential role for DNA methylation in premature aging diseases. No genetic cause has been previously associated with the onset of these conditions.
A team of researchers has discovered a significant mutation in a LINC family protein that could lead to new treatments for hearing disorders. The mutation causes chaos in the cell's anatomy, leading to devastating effects on cells responsible for hearing.
Researchers identified several inherited mutations in genes linked to severe syndromes that also cause autism, including AMT, PEX7, and SYNE1. These milder mutations seemed to cause brain-specific disease, offering new insights into the genetic causes of autism.
Two new studies identify inherited genetic mutations linked to autism spectrum disorders, suggesting that 5% of autism risk is due to complete gene function disruption. Researchers also found partial loss of gene function and variability in autism severity despite similar genetic mutations.
Researchers have identified a new genetic mutation in the ARHGEF28 gene that is present in all cases of amyotrophic lateral sclerosis (ALS). The protein arising from this gene appears to play a critical role in the disease, and understanding its function could lead to targeted therapies.
Researchers have discovered a higher frequency of the fragile X genetic defect in newborns than previously believed, with an estimated prevalence of 1 in 200 females and 1 in 400 males. The study's findings suggest that large-scale newborn screening for the defect is technically feasible using blood spots from infant heel pricks.
A new computer model of the heart wall predicted risk of irregular heart rhythms and sudden cardiac death in patients with Long QT syndrome type 1. The model used 34 different mutations to calculate the consequences of genetic changes on the heart, revealing that delayed repolarization increases the risk of life-threatening events.
A study cataloging genetic variants in healthy individuals reveals approximately 400 damaging DNA variants and a 1-in-10 risk of developing a genetic disease. The research highlights the complexity of genetic predispositions and raises ethical concerns about incidental findings.
A study of over 1 million DNA variations reveals most harmful protein-coding mutations emerged during the past 5,000 to 10,000 years. This finding highlights the profound impact of recent human evolutionary history on contemporary genetic disorders.
Researchers discovered a genetic mutation in the TREM2 gene linked to increased Alzheimer's disease risk. The study found that this rare mutation occurs in just 0.3% of the population but makes patients three times more likely to develop the disease.
A team of researchers from Nottingham University has discovered a rare genetic variant associated with an increased risk of Alzheimer's disease. The study, which used data from over 25,000 people, found that a specific mutation in the TREM2 gene may play a key role in the development of the disease.
Researchers identified a new mechanism allowing the toxic DUX4 protein to be produced in skeletal muscle, causing progressive muscle weakness. Mutations in the SMCHD1 gene cause chromatin relaxation, leading to DUX4 production.
Researchers identified a family with two of three children affected by CDD, both carrying a rare DGAT1 gene mutation. The study suggests targeting DGAT1 could cause severe diarrheal disorder in individuals with the mutation.
A recent genomics study reveals that comparing diseased patients' genomes with those of people from similar ancestries can dramatically simplify searches for harmful mutations, potentially leading to more effective treatments. The study's tool, the Scripps Genome Adviser, uses a reference panel of less than 20 genomes to identify ances...
Researchers used zebrafish to test genetic mutations that affect human skin color and found that some mutations had no effect on the fish's skin color. This approach may be useful in identifying which genetic mutations can be ignored and which require attention, potentially aiding personalized medicine.
Researchers created a new fruit fly model of inherited epilepsy that shows the link between temperature-dependent seizures and flawed sodium channels. The study establishes a platform to develop therapies for febrile seizure disorders, such as GEFS+, which can persist beyond childhood and often develop seizures in the absence of fever.
Scientists developed a genetically engineered fruit fly model to study temperature-dependent seizures. The model reveals that disease-causing mutations lead to breakdowns in brain regulation, causing excessive electrical activity. Researchers hope this discovery will lead to the development of new treatments for febrile seizures.
Researchers have discovered dozens of new de novo genetic mutations that play a significant role in schizophrenia development. Many of these mutations were found to affect genes with higher expression during early-to-mid fetal development, highlighting the importance of both gene function and timing in determining risk.
Computer scientists at Brown University have been awarded $1.5 million to develop new algorithms and statistical methods for analyzing large genomic datasets. The project aims to identify genetic mutations that drive cancer by comparing gene sequences of healthy tissue to those of cancerous tissue.
A study found a shared genetic link between rapid-onset dystonia-parkinsonism, a rare movement disorder, and psychiatric problems like anxiety, mood disorders, and substance abuse. Researchers believe the ATP1A3 genetic mutation may contribute to mental illness in individuals with the condition.
Researchers found that individuals with Huntington's gene mutation exhibit increased learning efficiency, which is more pronounced in those with stronger mutations. This paradoxical effect suggests that neurodegenerative changes can lead to improved cognitive function.
A study by the University of Bonn found that a genetic variation on the CHRNA4 gene is associated with internet addiction. This variation occurs more frequently in women and may be related to social media use. The researchers hope their findings will lead to better therapies for online addiction.
Two studies reveal new genetic mutations in GlyT2 gene that cause startle disease, characterized by exaggerated response to noise and touch. The mutations affect glycine signaling, leading to an abnormal startle response. Discoveries triple the number of known cases with these mutations.
A new sequencing approach using long-range PCR and Next Generation Sequencing has been developed to provide a more effective method of BRCA1/2 mutational analysis. The method was successfully tested on 12 familial breast cancer patients, identifying all expected variants with high accuracy.
Researchers discovered a significant correlation between the number of colorectal polyps and genetic mutations, particularly in individuals with multiple adenomas. The study suggests that genetic evaluation for APC and MUTYH mutations may be considered in individuals with 10 or more adenomas.
Researchers at Duke University Medical Center discovered a gene mutation causing Alternating Hemiplegia of Childhood (AHC), a rare disorder characterized by unpredictable paralysis and seizures. The study's findings suggest a potential treatment, with genetic testing to accurately diagnose patients and prevent misdiagnoses.
Researchers at UMass Medical School have identified a new genetic mutation that causes familial amyotrophic lateral sclerosis (ALS), a fatal neurological disorder. The discovery points to defects in a neuron's cytoskeleton structure as a potential common feature among diverse ALS genes.
A study published in Leukemia & Lymphoma reveals that IDH mutations drive the production of 2-hydroxyglutarate, leading to abnormal gene regulation and increased risk of relapse. Researchers believe targeting IDH mutations may hold promise for treating AML.
Researchers identified five rare mutations in the AFF2 gene that appear to increase the chances a boy will develop an autism spectrum disorder (ASD). Mutations in X chromosome genes affect four times more boys than girls. The study bolsters a growing consensus that rare variants contribute significantly to ASD risk.