Articles tagged with Mutation
A new genetic mutation in the GLP1R gene has been found to decrease the risk of developing Type 2 diabetes by 14 percent. The discovery could lead to personalized treatment and prevention strategies for millions of diabetics worldwide.
Researchers at UC Davis have identified the biochemical underpinnings of Canavan disease, a type of leukodystrophy that causes progressive neurological deterioration. By blocking the production of NAA, they aim to find a promising direction for treatment and potentially reverse the process in children with the disease.
Researchers at Yale University successfully corrected the F508del mutation in the cystic fibrosis gene, a lethal genetic disorder. The novel approach uses synthetic molecules to edit the genetic defect, with minimal off-target effects.
Researchers found hundreds of possible new genes that could transform benign skin growths into deadly melanomas when combined with the Braf V600E mutation. The discovery provides new targets for slowing or stopping cancer growth.
A genetic mutation in cattle grazing at high altitude leads to a life-threatening condition called brisket disease, characterized by high blood pressure in the lungs. The study sheds light on human lung disease, particularly non-familial pulmonary hypertension in patients with emphysema and pulmonary fibrosis.
A new study published in the Genetics journal estimated that humans carry an average of one to two recessive disease mutations, which can cause severe genetic disorders or prenatal death. The study used a unique community's detailed family histories and genealogical records to estimate the number of mutations per person.
Researchers have identified a genetic mutation in salt-inducible kinase 1 (SIK1) that regulates myocyte-specific enhancer factor 2C (MEF2C), contributing to severe seizures. The finding may lead to better treatment options for individuals with developmental epilepsy.
Acute myeloid leukemia (AML) cells exhibit high genetic diversity, driven by convergent evolution and mutation rates, leading to increased treatment resistance. Researchers are exploring a new paradigm that leverages cancer's evolveability to develop more effective treatments.
A new study found that exercise alone can lower the risk of heart defects in babies born to older mouse mothers. The research suggests that genetic mutations are tied to age, not egg quality, and that healthy metabolism and exercise may play a crucial role in preventing congenital heart disease.
Scientists have discovered a new virus infecting archaea beneath the ocean floor, which selectively targets one of its genes for mutation. The study also reveals that these microorganisms use a novel mechanism to accelerate genetic adaptation, targeting at least four distinct genes, and this process may be key to their survival.
Researchers at CNIO have discovered a new gene, MDH2, linked to rare neuroendocrine tumors with high hereditary risk. The finding confirms the relationship between metabolism and tumour development, providing a boost to genetic diagnosis and potential metastasis prevention.
A University of Colorado Cancer Center study found a heritable genetic cause of acute lymphoblastic leukemia (ALL), similar to the BRCA mutation that affects breast and ovarian cancer risk. The ETV6 gene mutation is present at birth and increases the development of ALL, with the potential for future strategies to prevent the disease.
Researchers discovered that genetic mutations affect the development of the diaphragm by altering the expression of the Gata4 gene, leading to a defective diaphragm and the herniation of organs. The study's findings offer new hope for the prevention and treatment of congenital diaphragmatic hernia.
Researchers at KAIST identify brain somatic mutations in the MTOR gene as the cause of intractable epilepsy. These mutations are specific to the brain and can lead to permanent disabilities and death. A targeted therapy using rapamycin may offer a solution, suppressing mTOR kinase activation to lessen epileptic seizures.
A team of UC Santa Barbara scientists discovered a new virus that selectively targets one gene for mutation, allowing it to thrive in extreme environments. They also found that some archaea do the same, targeting multiple genes and accelerating genetic variation through guided mutation.
Researchers have discovered that the three-dimensional structures of mRNAs determine their stability and efficiency inside cells. This knowledge could help explain minor mutations causing neurodegenerative diseases.
A novel study published in Nature Genetics shows that mammals use more of the DNA inherited from their dads to develop and express genes. This discovery has significant implications for understanding complex diseases like type-2 diabetes, heart disease, and schizophrenia.
A computational tool, dSysMap, has been developed to interpret the effect of genetic mutations on the development of complex diseases. The tool positions over 23,000 documented genetic mutations on a map of known interactions between human proteins.
Fruit flies exhibit homogenous gene expression pattern at optimal temperature of 18°C, unaffected by genetic variation. Canalization mechanism acts as buffer against environmental or genetic perturbations, stabilizing organismal growth.
Researchers identified a strong association between an East-Asian specific mutation and increased risk of wet AMD, highlighting the importance of HDL metabolism in the disease's pathogenesis. The study also uncovered three new genes linked to AMD for the first time.
A study by UNC School of Medicine researchers identified genetic pathways that play a major role in determining the severity of cystic fibrosis. The findings may lead to new personalized treatments to lessen pulmonary symptoms and increase life expectancy for people with CF.
Researchers found that segments of human genome with low recombination rate carry a higher proportion of disease-enabling genetic mutations, which are eventually shuffled off through sexual reproduction. This discovery can help scientists identify and develop effective treatments for diseases.
Researchers at the University of Adelaide have discovered that at least 14% of cerebral palsy cases are caused by genetic mutations. This groundbreaking finding has significant implications for the diagnosis, management, and treatment of the condition.
Researchers used a new whole-genome sequencing method to detect potential disease-causing mutations in human IVF embryos, detecting 82% of single base de novo mutations. The technique, which uses DNA barcodes and advanced sequencing technology, can help identify the cause of congenital disorders such as intellectual disability and autism.
A Tel Aviv University researcher has successfully identified a novel genetic mutation in a rare disease using whole exome sequencing and crowdfunding. The study, led by Dr. Noam Shomron, used DNA sequencing of a three-year-old girl and her family to reveal the genetic cause of her symptoms, which included mental retardation and severe ...
Researchers develop a technique to label and track new DNA pieces, revealing hotspots for genetic flaws. These sites are crucial regulatory switches that can lead to genetic diseases or cancer.
Researchers produced method protecting animal models from Syngap1 gene mutation effects, disrupting memory and anxiety levels. Early developmental period critical for treatment of psychiatric disorders caused by damaging Syngap1 mutations.
Researchers at Penn Medicine have discovered a mutated ATRX gene as a potential biomarker for aggressive brain tumors and rare adrenal tumors. The study found that 13% of tumors had ATRX mutations, which were more common in clinically aggressive cases.
A Canadian-Japanese research team has identified a shared genetic mutation responsible for an inherited metabolic disorder, glycogen storage disease type IIIa, in Inuit populations in northern Quebec. The mutation affects approximately 1 in 2500 people in Nunavik and can cause enlarged livers, hypoglycemia, and muscle weakness.
A genome-wide study of the malaria parasite reveals a complex genetic architecture that enables artemisinin resistance. Researchers found 20 mutations in the kelch13 gene and four other genes that work together to support resistance, but monitoring specific genetic backgrounds could help target high-risk regions.
A large-scale study found rare genetic mutations in three genes (GRASP, GSDMB, and MTHFR) associated with asthma risk, but only in specific ethnicities. These findings suggest gaps in the current understanding of asthma genetics.
A new study found that mutations in the telomerase reverse transcriptase (TERT) gene increase the risk of emphysema in smokers. Female smokers with these mutations may be more susceptible to the disease. The researchers also discovered a link between telomere shortening and other health problems, such as osteoporosis and liver disease.
A new study has identified genetic mutations in the titin gene that cause dilated cardiomyopathy (DCM), a leading cause of inherited heart failure. The study provides information that will help screen high-risk patients and develop therapies to prevent or treat heart disease caused by titin mutations.
Researchers at the University of Toronto developed a machine learning method to rank genetic mutations based on their likelihood of causing disease. The technique successfully predicted 94% of known genetic culprits behind diseases such as spinal muscular atrophy and colorectal cancer, and identified novel genes in autism susceptibility.
Researchers analyzed 5,040 evolutionary paths of human color vision, finding that 4,008 trajectories are terminated prematurely due to nonfunctional pigments. The study's findings emphasize the importance of understanding molecular evolution and genetic engineering in decoding protein mutations' effects.
A new deep learning model has revealed unexpected genetic determinants of autism, colon cancer, and spinal muscular atrophy by analyzing mutations in 'gene splicing.' This approach has led to the identification of 39 new genes potentially linked to autism spectrum disorder, a 40% increase from previously known genes.
A unique genetic disorder responsible for ovarian insufficiency has been discovered by Tel Aviv University researchers. The SYCE1 gene mutation was found to be the underlying cause of primary ovarian insufficiency in two sisters, and its effects were also detected in three brothers and parents.
Researchers used targeted NGS to identify genetic alterations in genes involved in DNA repair, cell survival, and proliferation pathways. The study found that accumulated mutations correlate with tumor progression and decreased survival rates in patients with advanced malignant lung cancer. The results highlight the potential of NGS to...
Researchers found that long-lasting hosts evolved more complex defenses against parasites, providing a survival advantage. The study used the Avida platform to model co-evolution between host and virus, revealing a surprising large proportion of 'switching' mutations in co-evolved hosts.
A comprehensive genetic study found that more patients with ALS have a genetic origin than previously believed. Patients with mutations in multiple genes experience earlier disease onset. The study suggests that genetics may play a larger role in ALS, potentially affecting over one-third of all cases.
Researchers found 26% of sporadic ALS patients carry potential mutations in known ALS genes, suggesting genetic errors contribute to significantly more cases. Mutations in multiple genes can accelerate disease onset.
Researchers sequenced RNA of 400 pairs of twins to understand genetic and environmental context on gene expression. They found that both genetic and environmental factors contribute significantly to the way a person's genetic composition is expressed and their risk of developing certain diseases.
A new gene has been identified as the genetic cause of a progressive form of epilepsy in nearly one-third of patients. The mutation affects a potassium channel encoding gene KCNC1, which disrupts signal transmission in the brain and causes epileptic seizures and myoclonus.
Researchers have discovered a single mutation in a gene that explains a significant proportion of unsolved cases of progressive myoclonus epilepsy. The mutation disrupts brain signal transmission, leading to epileptic seizures and muscle twitching starting in childhood.
A 47-year-old woman with intrahepatic cholangiocarcinoma received a uniquely personalized treatment based on her genetic profile, achieving significant tumour shrinkage and symptom improvement. The use of next-generation sequencing revealed a rare BRAF mutation, which was targeted by dabrafenib and trametinib therapies.
Researchers at CNIO have developed a mouse model that expresses the most common K-Ras mutation found in Noonan patients, reproducing its most representative features. The study aims to advance knowledge of the syndrome and develop specific treatments for each mutation.
A groundbreaking study has identified over two dozen high-confidence autism genes, shedding light on the disorder's genetic architecture. The research also reveals a difference in genetic basis between 'higher-IQ' and 'lower-IQ' autism, with implications for early interventions.
Research identifies DNA copy number variation (CNV) as the genetic cause behind two male pseudo-hermaphrodite horses' sex identity. The study provides the first hints about likely molecular causes and involvement of CNVs in equine disorders, with potential biomedical significance beyond horse racing.
A new study by researchers at Intermountain Medical Center Heart Institute suggests that lifestyle choices, not just genetics, may contribute to the risk of heart attack. The study found that severe coronary artery disease can be inherited, but the presence of heart attacks in people with less severe disease was not clustered in families.
Research at Washington University School of Medicine found that 2-5% of people over 40 and 70 have genetic mutations linked to leukemia and lymphoma. These mutations may be a precursor to blood cancers but do not guarantee development of the diseases.
Scientists have identified a novel heart and gut disease, named Chronic Atrial Intestinal Dysrhythmia syndrome (CAID), caused by a rare genetic mutation. The disease is characterized by cardiac arrhythmias and intestinal pseudo-obstruction, with patients often requiring invasive treatments and surgeries.
Research reveals a two-and-a-half-fold increase in referrals by GPs for June and July 2013 after Angelina Jolie's announcement, with continued rise through October. The study found that many women with family history of breast cancer were referred for testing, contradicting concerns about 'worried well' individuals.
Researchers at the University of Pennsylvania have identified over 30 previously undiscovered genetic mutations in microRNAs that may influence cancer susceptibility and severity. These mutations were found to be associated with increased risk of certain types of cancer, including breast, ovarian, and prostate cancer, in African popula...
Scientists at MD Anderson Cancer Center have discovered genetic mutations in a subset of endometrial cancer patients that are associated with a more lethal form of the disease. The identification of these mutations could lead to the development of targeted treatments and improved patient outcomes.
A new deep sequencing approach has identified subtle somatic mutations in patients with brain disorders, revealing previously missed genetic causes. The technique complements whole-genome and whole-exome sequencing, enabling the detection of mutations in as few as 10% of patients' blood cells.
Scientists have developed a new gene technique to find disease-causing mutations in patients with brain malformations. The technique uses next-generation sequencing technology to sequence hundreds of copies of genes in a panel of candidate genes, identifying somatic mutations that were previously undetectable.
Researchers developed small-molecule drug candidates that interfere with the synthesis of an abnormal protein, playing a key role in both diseases. The study also discovered biomarkers to test the efficacy of these therapies and found toxic proteins in spinal fluid that could become an enrollment tool in human clinical trials.
Researchers have made significant breakthroughs in understanding the relationship between genetic changes and disease causation using next-generation sequencing technology. Subtle gene changes are now being associated with unique disease presentations, even in previously undiagnosed forms of disease.
Researchers have found an alternative way to model cancer using CRISPR, a gene-editing system that can introduce cancer-causing mutations into the livers of adult mice. This method enables scientists to screen these mutations much more quickly than traditional breeding methods.
A team of scientists has found that genetic changes in a bacterial pathogen may be caused by chance environmental events rather than genetic mutations. The study, published in PNAS, analyzed 149 genomes of Salmonella enterica serovar Paratyphi A and found that the pathogen had not changed dramatically over its 450-year history.