Articles tagged with Mutation
Researchers at NHGRI found that iPSCs have the same mutation rate as subcloned cells, providing evidence of their stability and safety. This breakthrough enables further research and potential therapy development using patient-specific iPSCs.
The updated guidelines provide better direction for clinicians to make accurate diagnoses and recommend personalized treatment. The new criteria lower the threshold for possible cystic fibrosis, reconsidering patients with chloride levels between 30-40 millimoles per liter.
A new study by UC San Francisco researchers reveals that distinct sets of genetic defects in a single neuronal protein can cause either infantile epilepsy or autism spectrum disorders. The study identifies SCN2A as the human gene with the strongest evidence for a causal role in driving ASDs.
Scientists used a mouse model to study nicotine's impact on brain cells involved in schizophrenia. Administering nicotine restored normal activity in prefrontal cortex neurons, similar to observed deficits in patients with psychiatric disorders.
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.
A vast collection of genetically modified wheat seeds with over 10 million sequenced mutations has been developed to aid in the study and improvement of wheat plants. This new resource is freely available to researchers and breeders worldwide, enabling them to develop crops with enhanced nutritional value, yields, and climate resilience.
A team led by Massachusetts General Hospital has identified gene mutations associated with a rare congenital condition involving the absence of a nose, often accompanied by defects in eye and reproductive systems. The SMCHD1 gene was previously linked to muscular dystrophy, but not craniofacial abnormalities.
The UNC Catalyst initiative aims to create and share research tools to study rare diseases, addressing the lack of resources and expertise in this area. The partnership with Genetic Alliance and Structural Genomics Consortium will provide researchers with access to necessary tools and talent to accelerate solutions.
Researchers at Rockefeller University have identified a single mutation that enables bacteria to acquire genetic memories of viruses 100 times more frequently than naturally. This breakthrough could facilitate the creation of CRISPR-based recording systems for various applications, including data storage and cancer research.
This study investigates molecular changes in the OTOF gene in patients with auditory neuropathy and identifies the c.35delG mutation in the GJB2 gene. Cochlear implants show excellent outcomes, with improved speech development and language acquisition in patients with severe/profound hearing loss.
Researchers at RIKEN create genetic knock-out rescue mice to study circadian timekeeping and identify key sites in the CRY1 gene that affect the duration of the circadian period. They find that specific mutations near the p-loop region influence phosphorylation levels, leading to longer or shorter circadian periods.
Researchers have identified a new genetic disorder that causes dystonia, a disabling movement disorder. Patients with this condition can benefit from Deep Brain Stimulation, which has restored independent walking and improved hand and arm movement in most cases.
Researchers at Johns Hopkins University have developed a new bioinformatics tool to evaluate the accuracy of current methods for identifying cancer-promoting mutations. The study found that existing methods need improvement and shared their methodology publicly to aid others in developing more precise ways to target tumor growth.
Researchers found genetic mutations increased with donor age, particularly in late 80s and early 90s donors, which could impact iPSC therapies. Screening is crucial to filter out defects and ensure safe treatment.
A Penn Medicine study found that elevated levels of mutations in essential genes are significantly associated with an increased risk for ASD and decreased social skills. Researchers identified high-priority essential genes that could serve as targets for future studies and treatments.
Researchers discovered two genetic mutations in the CCND1 and CCND2 genes in a subset of acute myeloid leukemia patients. These mutations were found in 15% of patients with t(8;21) AML, making them a potential target for new therapies.
Researchers discovered that gene mutations in titin protein can impact heart function even in healthy individuals, potentially affecting up to 35 million people globally. The study sheds light on the paradox of how some people with genetic mutations appear unaffected.
Researchers at the University of Colorado Anschutz Medical Campus found a strong association between a genetic mutation and left ventricular noncompaction, a rare form of heart muscle disease. The study sequenced nearly 5,000 genes in 335 patients with a family history of the disease to identify common genetic variants.
Researchers analyzed ExAC data to explore normal variation in NMDA receptors and its link to disease-causing mutations. For some patients, this information could guide anticonvulsant treatment with repurposed Alzheimer's medication.
A study published in Science Translational Medicine suggests that individuals carrying certain genetic mutations are at a higher risk of developing dominant, actionable conditions such as cancer or heart disease. The research analyzed data from two separate populations of African-Americans and European-Americans, finding that those wit...
Researchers at the University of Manchester have identified two gene mutations that trigger a rare retinal disease causing blindness in males. These findings offer promising insights into the development of gene therapy and potential treatments for X-linked Retinoschisis, a genetic disease leading to macular degeneration.
A pioneering study by Gilad Evrony and colleagues found that every brain cell has a unique genome resulting from somatic mutations during development. These findings hold promise for understanding unexplained neurologic diseases such as epilepsy, autism, and schizophrenia.
A collaboration of 32 researchers found a genetic mutation in the PINK1 gene that confers a risk for developing Parkinson's disease earlier than expected. The study showed that a specific mutation impairs the PINK1-PARKIN pathway, leading to damaged mitochondria accumulation and neurodegeneration.
A team of researchers from St. Jude Children's Research Hospital has completed a detailed map of the genomic landscape for core-binding factor acute myeloid leukemia (CBF-AML), revealing differences in mutations that contribute to its diversity.
Researchers at Gladstone Institutes identify a gene mutation that enhances the efficiency of stem cell reprogramming, improving the number of induced pluripotent stem cells (iPSCs) generated from skin cells. This breakthrough could have significant implications for regenerative medicine and drug discovery.
Researchers found that different species can evolve the same beneficial trait through unique genetic mutations, challenging the predictability of evolutionary changes. High-altitude bird species developed red blood cells with hemoglobin proteins that bind oxygen more efficiently.
The new RNA ligase, KOD1Rnl, has been developed by Brown University researchers to enable high-temperature reactions and improve template specificity. It is the most active in the presence of certain RNA structures, making it useful for RNA sequencing and detection.
Scientists at the University of Birmingham discovered a previously unknown mechanism connecting transcription machinery to genetic mutations in aggressive cancer cells. The research found that increased transcription activity leads to R-loop formation, causing DNA damage and replication stress.
Scientists found a novel mutation in modern feral Hawaiian pigs that explains their black coats, suggesting humans across the world have selected and bred black pigs independently. The study suggests Polynesians brought domestic pigs to Hawaii 800 years ago and humans later selected for black coats on at least three separate occasions.
Researchers use nanosensors to detect genetic mutations in tissue samples from patients with malignant melanoma. This enables the identification of specific mutations and targeted treatment, significantly extending patients' life expectancy. The new method detects changes quickly and easily using coated microcantilevers.
Researchers have identified a rare neurological disorder caused by GPT2 gene mutations, replicating the disease in lab cultures and mouse models. The study reveals insights into brain development, neurotransmitter function, and metabolic pathways, providing new opportunities for diagnosis and treatment.
Two key protein complexes, condensin and cohesin, play critical roles in organizing chromosomes during cell division. A recent study sheds new light on the specific functions of these proteins, which can help pinpoint the origins of genetic diseases like cancer.
Scientists have discovered how ALS-linked protein mutations affect TDP-43's normal function, causing it to aggregate and lead to disease. The study found that specific regions of the protein play a crucial role in its concentration and processing.
A new study suggests that genomic sequencing research may be missing key mutations in different racial and ethnic groups due to a lack of tumor samples from minorities. This could lead to unequal treatment opportunities and worsen disparities in cancer care.
Researchers found a significant number of thyroid tumors carry a mutation in the EZH1 gene, leading to increased cell proliferation. The 'two-hit model' suggests that the first mutation increases tumor disposition and the second triggers disease progression.
A landmark study published in The Lancet Oncology reveals new genetic risk factors for sarcoma, a disproportionate cause of disease-related death among children and young adults in Australia. Carrying two or more of these rare mutations increases an individual's cancer risk.
Scientists have developed a new method to measure the activity of disease-causing mutations in the LRRK2 gene, a major cause of inherited Parkinson's disease. The breakthrough could help pave the way for a clinical test that could facilitate evaluation of drugs targeting this form of the condition.
Researchers at Georgia Tech discovered a genetic mutation in C. elegans that led to prioritization of adult survival over reproduction, revealing insights into life history trade-offs and their regulation. The study's findings have implications for understanding human genetics, particularly the NURF-1 gene involved in reproduction.
In a controlled study, researchers found that two aye-ayes and a slow loris could discriminate between varying concentrations of alcohol and preferred the highest concentrations. The findings support the idea that fermented foods were important in human ancestors' diets, potentially pre-adapting humans for the Neolithic Revolution.
Researchers identify LOX gene mutations as cause of thoracic aortic aneurysm and dissection in family study, providing biological mechanism and possible therapeutic targets. The discovery illuminates the genetic basis of a rare disease and may lead to improved diagnosis and treatment for patients with this condition.
Researchers at McGill University Health Centre have discovered a new genetic mutation linked to osteonecrosis of the hip, which could allow for early diagnosis and treatment. The TRPV4 gene mutation was found to be common among affected family members and absent in unaffected ones.
Researchers found that red hair-associated MC1R gene variants increase genetic mutations in melanoma skin cancer by an average of 42% more than the general population. This highlights the need for everyone to be cautious about sun exposure, regardless of their hair color.
Researchers at Beth Israel Deaconess Medical Center have identified a developmental cause of adult-onset cardiac hypertrophy, a leading cause of heart failure. The study reveals that genetic mutations affecting the Ras/MAPK cell signaling pathway can lead to the development of cardiac hypertrophy in adults.
Researchers at UNC Lineberger Comprehensive Cancer Center have discovered how a faulty genetic instruction drives the development of acute myeloid leukemia (AML) in adults. A mutation in the DNMT3A gene gives normal cells faulty instructions, leading to immature blood cells that can become cancerous.
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.
A new genetic mutation in the CAPN1 gene has been identified as a cause of ataxia in humans and Parson Russell Terrier dogs. Calpain-1, an enzyme involved in brain development, is found to be neuroprotective, preventing excessive neuronal death.
A recent study published by PLOS ONE sheds light on the impact of genetic mutations on cystic fibrosis. The research found that about 5% of children with varying clinical consequences and 11% of those with unknown liability developed CF, highlighting the need to identify specific mutations to provide targeted treatment.
Researchers at IBS Center for Genome Editing demonstrate Cpf1's superior specificity in precision genome editing, generating mutant mice with targeted mutations. The study reveals that Cpf1 has virtually no off-target effects, opening up new possibilities for therapeutic treatments and agricultural products.
Scientists have discovered a single genetic mutation that causes multiple sclerosis in two-thirds of those affected, providing a potential target for therapies. The mutation leads to a defective protein that disrupts communication between the brain and body, resulting in vision problems, muscle weakness, and cognitive impairments.
Johns Hopkins researchers have engineered human muscle cells bearing genetic mutations from people with Duchenne muscular dystrophy (DMD), enabling the study of genetic variations among patients. The cells can also be used to test new therapies and may hold potential for genetic correction and transplantation.
A previously undetected mutation in a strain of C57BL/6 mice has been found to affect the results of immune system research studies. The Ragon Institute team traced the mutation back to a specific commercial supplier and notified the company, which is now taking steps to check all its colonies.
A new study by the University of Illinois reveals that Palmer amaranth populations are resistant to PPO-inhibiting herbicides due to a genetic mutation involving the deletion of three nucleotides. This mutation is expected to spread rapidly, making it essential for farmers to switch to alternative herbicides.
A University of Wisconsin-Madison researcher has used an experimental drug to reverse damage from the mutation that causes fragile X syndrome in mice. The treatment, Nutlin-3, blocks a chain reaction that leads to memory deficits and neural stem cell formation issues.
Researchers have identified a molecular signaling mechanism underlying increased inflammation in patients with psoriasis due to specific CARD14 gene mutations. The study suggests MALT1 inhibitors may be therapeutically beneficial, offering promising results for treatment.
A study found that only 2% of people with very high cholesterol have a familial hypercholesterolemia mutation, but those with the mutation face a six times higher risk of early-onset coronary artery disease. Genetic screening could help identify and ward off cardiovascular disease in affected individuals.
A study found that familial hypercholesterolemia mutations account for less than 2% of cases with severely elevated LDL levels, but significantly increase the risk of coronary artery disease. Gene sequencing identified individuals at high risk who may benefit from additional preventive therapies.
A recent study discovered a genetic mutation linked to X-linked reticulate pigmentary disorder (XLPDR), a rare systemic disorder affecting 14 known families worldwide. The mutation affects the POLA1 gene, involved in DNA replication, and alters cellular mechanisms leading to aberrant splicing and immune responses.
Researchers discovered a new genetic cause of CMT1, a type of inherited neuropathy, linked to mutations in the peripheral myelin protein 2 gene (PMP2). The study found that 49 mutations in PMP2 could be responsible for the disease, leading to weakness and numbness in hands and feet.
Researchers have identified a new genetic mutation responsible for Spinocerebellar ataxia (SCA), a degenerative and fatal movement disorder. The mutated Cav3.1 protein, encoded by the CACNA1G gene on Chromosome 17, was found to cause abnormal Calcium ion flow in nerve cells.
A study found that an antioxidant regimen of beta carotene, vitamins C and E, and magnesium helped slow progression of hereditary deafness in mice with a connexin 26 gene deletion. In contrast, the same regimen had no effect on another mutant mouse modeling AUNA1, a rare type of hearing loss.