Articles tagged with Genome Wide Association Studies
SRAP markers exhibit high variability and are less technically demanding than traditional methods, making them suitable for various research fields including plant systematics, biogeography, conservation, and ecology. The new study suggests that these markers will be useful when paired with next-generation sequencing technologies.
Researchers developed a powerful new tool to identify genetic changes in disease-causing bacteria that drive antibiotic resistance. The technique, called genome-wide association study (GWAS), has the potential to inform control and treatment strategies for diseases like pneumonia and meningitis.
A study found that genetic variants of the CYP2C gene, including CYP2C9*3, are associated with severe cutaneous adverse reactions to phenytoin. Delayed clearance of plasma phenytoin was detected in patients with these reactions, suggesting a clinical link between the variants and the disease.
A new study confirms that achalasia is an autoimmune disease, with a specific genetic variant linked to the condition. The researchers identified 33 genetic variants associated with achalasia, all located in the MHC region of chromosome 6.
Researchers have identified three genetic changes linked to an increased risk of breast cancer in East Asian women. These findings provide new insights into the genetics and biology of breast cancer.
Researchers have identified over 100 locations in the human genome associated with the risk of developing schizophrenia, pointing to genetic variations that make people vulnerable to psychiatric disease. The study's findings could lead to new approaches to treating the disorder and inform drug development for acute need.
Researchers identified previously unknown areas of genetic material linked to schizophrenia and found associations with immune system genes. The study suggests potential treatments for autoimmune disorders and provides new targets for drug development.
Researchers have discovered 108 genetic loci associated with schizophrenia, a significant increase from the 30 previously reported. The study suggests that these genetic variations may exert their effects by turning genes on or off rather than coding for proteins.
A multinational collaboration has identified over 100 locations in the human genome associated with schizophrenia risk, shedding light on biological mechanisms and pathways. The study could lead to new approaches to treating the disorder, which has seen little innovation in drug development for over 60 years.
Researchers have identified over 100 genetic locations associated with schizophrenia risk, revealing biological pathways that could inform new treatment approaches. The study expands understanding of the disorder's genetic basis and underlying biology.
A recent study led by researchers at the Icahn School of Medicine at Mount Sinai found that nearly 60% of autism risk is caused by inherited variant genes common in the population. Rare genetic factors, such as de novo mutations, also contribute to the disorder, but only account for a small fraction of total risk.
Using new statistical tools, researchers found that about 52% of autism cases are linked to common genes, while spontaneous mutations account for only 2.6%. Inheritability outweighs environmental risk in the disorder.
A genome-wide analysis reveals that friends are genetically similar to each other, with an average of 1% DNA in common. The study suggests that social relationships can drive evolutionary advantages, such as increased immunity against diseases.
Researchers at Cincinnati Children's Hospital Medical Center have identified a molecular pathway in the esophagus that causes eosinophillic esophagitis, a chronic inflammatory disorder of the esophagus. The study suggests new therapeutic strategies by targeting an enzyme called calpain14, which can be inhibited by drugs.
A study found that variations in the TANC1 gene are associated with a greater risk of radiation-driven side effects in prostate cancer patients. The research team developed a predictive genomic test to optimize treatment plans, allowing for improved quality of life for many cancer survivors.
A study by La Jolla Institute for Immunology identifies new genetic neighborhoods active in diseased cells, highlighting 33 genes that could be targeted with drug treatments. The research uses a novel approach to find specific genes associated with asthma, which may lead to more effective treatments.
Pediatric researchers identified gene variants that affect a child's need for pain-control drugs, suggesting personalized medicine for pain control. The study found associations between specific gene variants and increased postoperative pain in children.
A recent gene study has identified a novel biological pathway that affects insulin release in type 1 diabetes. The Clec16a gene plays a critical role in regulating insulin metabolism and acts upon a pathway crucial to insulin secretion.
Research confirms BRCA2 gene mutations increase lung cancer risk by 1.8 times in smokers and double the risk for some individuals. The study also identified associations with CHEK2 and TP63 genes, highlighting potential targets for early screening and treatment.
Researchers identified 17 independent genes related to liking for certain foods, including artichokes and white wine, which can be used to personalize nutrition plans and improve health outcomes. This study has the potential to significantly impact diet-related diseases such as obesity, diabetes, and hypertension.
Researchers identified a gene expression profile associated with an increased risk of cardiovascular death in patients with coronary artery disease. The profile, based on a simple blood test, may help identify patients who could benefit from personalized treatment and counseling.
A study has identified 152 unique genes that may be responsible for keloid scarring, a condition characterized by raised, firm skin areas. The researchers found that certain genetic pathways play a crucial role in the development of keloids and could lead to new treatment options.
A genome-wide association study has identified a genetic marker associated with OCD, which could lead to new drugs and treatments for the debilitating disorder. The findings suggest a link between OCD and learning and memory, as well as attention-deficit hyperactivity disorder (ADHD).
A new framework increases the ability to detect genetic associations and interactions by utilizing data from existing genomic studies. The approach improves performance over standard methods and identifies promising candidates for genetic interactions affecting various diseases.
Researchers found that individual variations in the genetic code can collectively produce significant changes in an organism's physical characteristics, depending on other variants. This study may help explain the 'missing heritability' problem, where additive genetic variants do not entirely explain many inherited diseases and traits.
A genome-wide association study found a strong link between ABCC9 gene variations and an increased risk of Hippocampal Sclerosis of Aging (HS-A). The study also suggests that sulfonylurea medication use is associated with an elevated risk for HS-A. Researchers hope this discovery may inform new strategies to search for cures.
A new study found that genetic influence on body weight increases from 43% at age 4 to 82% at age 10, with environmental factors playing a lesser role. The research used twin and genomic analyses to demonstrate the rising association with BMI.
A study has found that genetic loss of Ron receptor and its growth factor HGFL leads to aggressive inflammation and damage to the colon in models with IBD. The research suggests these genes may reduce their function due to SNPs, leading to chronic intestinal inflammation.
Researchers confirmed a genetic variant linked to significantly increased risk of aortic dissection or full rupture. Patients with the mutation may benefit from earlier surgical therapy before an aortic dissection occurs.
A new circadian gene named Chrono has been discovered to function as a transcriptional repressor of the negative feedback loop in the mammalian clock. Mice lacking this gene exhibit longer circadian cycles, highlighting its importance in regulating daily rhythms.
Researchers identified a new mechanism linking genetic variation to heart disease risk by disrupting the interaction between a developmental gene and a specialized type of RNA. This discovery expands understanding of complex disease risk and potential drug targets for cardiovascular disease.
A new blood test helps solve the dilemma of confounded clinical trials for septic shock by identifying low-risk and high-risk patients. The tool combines five protein biomarkers to accurately estimate mortality risk and determine which patients should receive experimental therapeutic intervention.
Researchers at Columbia University Irving Medical Center have devised a new system for classifying periodontal disease based on the genetic signature of affected tissue. The new classification system may allow for earlier detection and more individualized treatment of severe periodontitis.
Researchers at Mayo Clinic have discovered a specific genetic defect in the SCN5A gene that causes disruption in bowel function, leading to irritable bowel syndrome. This breakthrough finding has given researchers hope of developing disease-modifying agents to treat IBS.
Scientists from the University of Chicago discovered that DNA variants in SCN10A regulate SCN5A expression, suggesting a primary role for SCN5A in cardiac arrhythmia risk. The study highlights the importance of evaluating functional targets of genome-wide association study hits to avoid costly implications.
Researchers analyzed the genomes of 767 individuals for single nucleotide polymorphisms (SNP) to identify genetic loci related to musical aptitude. The study found associations with genes involved in inner-ear development, auditory pathways, and emotional processing.
A recent study found that Samoa's adult population is almost three-quarters obese, with type 2 diabetes rates over one in five. The island's unique genetic profile and environmental factors are being investigated to understand the causes of this obesity crisis. This phenomenon may serve as a harbinger for global health difficulties.
An international team led by Eske Willerslev has mapped the genome of a 1-1.5 year-old boy found in a 12,600-year-old burial site in Montana, shedding light on the colonization of the Americas. The study reveals that approximately 80% of present-day Native American populations are direct descendants of this boy's family.
Tibetans' genetic adaptations for high-altitude living were shaped by a mixture of two ancestral gene pools, one migrating early to high altitude and the other acquiring advantageous alleles from resident populations. This process, known as admixture-facilitated adaptation, was driven by natural selection.
A genome-wide association study by 23andMe has identified 11 new genetic markers associated with asthma-with-hay fever. The study, led by researchers at QIMR Berghofer Medical Research Institute, used data from 20,000 individuals and found variants in the ZBTB10 and CLEC16A regions linked to allergic disease.
A research group at Biocenter Oulu in Finland has identified a mechanism related to a transcription factor that binds strongly onto a particular SNP variant, initiating a genetic programme enhancing prostate cancer proliferation and metastasis. The study used DNA samples from tens of thousands of prostate cancer patients and healthy me...
An international group of investigators has discovered new genetic variations and cell types involved in inherited susceptibility to rheumatoid arthritis. The study provides a definitive list of major common genetic variation involved in the disease, leading to potential new therapies.
A large international study has identified new genetic loci associated with rheumatoid arthritis, shedding light on the disease's biology. The research demonstrates that integrating genetic data with existing biological information can lead to the discovery of potential drugs for treating the condition.
Researchers at The Feinstein Institute for Medical Research have discovered a genetic overlap between schizophrenia and general cognitive ability. This finding provides molecular confirmation of the overlap, revealing that patients with schizophrenia also experience reduced cognitive abilities.
A genetic variant in the IRF4 gene is linked to reduced melanin production, leading to increased UV radiation sensitivity and conditions like freckling. Researchers also explore the role of epigenetic variation in this trait.
Researchers have identified a gene network of 39 biologically related genes associated with alcohol dependence. The study, published in the American Journal of Human Genetics, suggests that this network may hold new targets for treating or preventing alcoholism.
Researchers at the Buck Institute identified a suite of epigenetic markers that separated younger from older individuals, with changes associated to genes regulating neuromuscular junction activity. The study provides a method for studying sarcopenia and offers potential targets for intervention.
A novel gene variant associated with severe childhood asthma has been discovered through a genome-wide association study. The study found that the CDHR3 gene is particularly active in epithelial cells lining airways and may disrupt normal functioning, leading to increased risk of asthma.
A recent study published in PLOS Genetics has shed new light on the genetic causes of obsessive-compulsive disorder (OCD) and Tourette syndrome (TS). The research team found that OCD heritability is concentrated in chromosome 15, while TS heritability is spread across multiple chromosomes. The study's findings have significant implicat...
A TGen-led study has identified genetic loci associated with total bilirubin levels, steatosis, and mild fibrosis in nonalcoholic fatty liver disease. The study found evidence for new genetic factors that may help identify patients at risk of developing severe forms of fatty-liver disease.
A new study conducted at the University of Nottingham has found that strong genetic factors do not influence handedness. The researchers examined nearly 4,000 subjects and were unable to detect a single major genetic determination for handedness.
A study published in Clinical Endocrinology found a strong association between the FTO gene and hip fracture risk in women. Women with the high-risk genotype had an increased risk of hip fracture of up to 16%, whereas those with low-risk genotypes had a lower risk of about 10%.
A genetic study has identified a network of genes involved in establishing left-right asymmetry in developing embryos, which may influence handedness. The researchers found correlations between handedness and variants in the PCSK6 gene, which is involved in early embryo development.
The landmark study discovered four novel gene variations linked to blood pressure in African-Americans, which also show associations across other populations. Genetic factors account for 40-50% of individuals' susceptibility to hypertension.
A genetic variant in the GLUL gene is linked to an increased risk of CHD in type 2 diabetics, potentially leading to new treatments. The finding may also provide insights into mechanisms underlying CHD risk and enable development of cardioprotective drugs
A study led by Harvard School of Public Health identified a novel genetic variant associated with an increased risk of coronary heart disease in people with type 2 diabetes. The finding suggests that the genetic risk factors for cardiovascular disease may be different among those with and without diabetes.
A genetic locus on chromosome 1q25 has been identified as associated with an increased risk of coronary heart disease in individuals with type 2 diabetes. The variant affects glutamic acid metabolism and was specifically linked to CHD risk in diabetic patients, suggesting a mechanistic link.
A genome-wide survey has identified a significant association between regions of homozygosity (ROHs) and the etiology of Alzheimer disease in Caribbean Hispanics. The study found that ROHs could significantly contribute to AD in this population, with notable associations observed at specific genetic loci.
A new genome-wide association study has identified two major pathways involved in causing schizophrenia, including a calcium channel pathway and a micro-RNA 137 pathway. The study, published in Nature Genetics, provides the strongest clues to date for understanding the causes of this debilitating mental illness.
A genetic study conducted by 23andMe has identified four genetic markers associated with the development of non-syndromic striae distensae (stretch marks), a skin condition affecting approximately 50-80% of people. The study suggests that elastin, a key component of elastic fibers in the skin, plays a crucial role in the formation of s...