Articles tagged with Genetic Analysis
A large analysis of five major testicular cancer studies has uncovered eight new genetic markers associated with an increased risk of developing testicular germ cell tumors. The findings, published in Nature Genetics, substantially increase the number of known susceptibility genes linked to testicular cancer.
A UConn study uses a novel device to detect DNA damage caused by e-cigarette vapor, finding that non-nicotine e-liquids can also cause DNA damage similar to filtered cigarettes. The researchers' findings raise concerns about the potential health risks of e-cigarettes.
A study found that vapour from a novel hybrid tobacco heating product and two standard THPs had little to no impact on human cells in lab-based biological tests. The results suggest these products could reduce smoking-related disease risks when compared to cigarette smoking.
A new tool enables identification of high-end caviar from Beluga sturgeons by analyzing DNA from a single caviar egg, contributing to conservation and fair international trade. The development helps distinguish Beluga caviar from Bester and other species using targeted genetic variants.
Research identifies CRKL gene as crucial for normal genitourinary development, with gene dosage changes associated with developmental abnormalities. The study's findings have significant implications for initial patient diagnosis and potential treatments for individuals affected by DiGeorge syndrome.
A new study found that DNA testing has a modest impact on sexual assault arrest rates, with most arrests occurring before laboratory results are available. In 7.6% of cases, DNA matches were made to suspects in the FBI's Combined DNA Index System database.
Researchers analyzed 548,055 single nucleotide polymorphisms to model Bantu-speaking peoples' migration paths and gene variations. They found that BSPs acquired adaptive genes from other African populations, including immune-related genes, and retained western RHG ancestry in modern African Americans.
A new analysis reveals that people with indigenous backgrounds are less likely to be identified after death due to inadequate family involvement and trust issues with government institutions. Non-governmental organizations can serve as bridges between families and authorities to improve identification rates.
Researchers developed DeepLoc, a deep learning algorithm that can track proteins in cells faster and more accurately than human eyes or previous computer vision-based approaches. The algorithm recognizes patterns in cell images made by proteins and can process data from other labs.
A recent study found that genetics play a significant role in determining social media use, accounting for one-third to two-thirds of the variance. The research used twin study survey data and provided an analytical blueprint for studying genetic influence on communication behaviors.
A study found that a decrease in circulating tumor cells with increased ALK gene copies is associated with longer progression-free survival in patients with non-small cell lung cancer treated with crizotinib. This biomarker may help predict treatment response and tailor therapies for individual patients.
A study found low gene flow between Bengal tiger populations in western Himalayan foothills, highlighting the need for conservation strategies. Relocating villages and industries, reducing human dependency, and banning mining can help maintain genetic variation and spread beneficial genes.
A recent study conducted by George Washington University found that 33 percent of seafood sold in six District restaurants was mislabeled. The DNA barcoding analysis revealed that the substitutions were mostly with closely related species or acceptable alternatives for menu listing.
Researchers discovered two genes, UNC5C and ENC1, associated with aging individuals' better memory and brain function despite accumulated brain pathologies. The study used genetic analysis of 979 organ donors' brain tissue to identify these genes and provide potential new targets for developing medications to enhance brain resilience.
Researchers discovered rare genetic variants on chromosomes 4 and 7 linked to extended survival and lower risks of cardiovascular disease and Alzheimer's. The study highlights the importance of studying rare cases to identify combinations of common and rare variants associated with extreme longevity.
Scientists at Columbia University's Mailman School of Public Health report elevated levels of Babesia microti, a pathogen responsible for babesiosis, in Suffolk County, New York. The new test can strengthen surveillance for tick-borne illnesses, which are underreported and growing rapidly.
The new synergistic PCR (sPCR) technique developed by Curiosity Diagnostics combines the advantages of analogue and digital PCR methods. It offers faster analysis times, reduced calibration requirements, and increased accuracy in detecting genetic material. The method is particularly useful for laboratory staff to independently verify ...
A 2015 NIH study analyzed daily gene activation in an Ebola patient and found a marked decline in antiviral responses before virus clearance from white blood cells. The study showed host responses shifted toward cellular and organ repair, coinciding with clinical improvement.
A team of evolutionary biologists from Vanderbilt University and the University of Wisconsin-Madison devised a new approach to settle contentious phylogenetic tree-of-life issues. They found that comb jellies have considerably more genes supporting their 'first to diverge' status in the animal lineage than do sponges.
A group of giant viruses, called Klosneuviruses, were identified as acquiring components from many other viruses and proteins in an evolutionarily recent timeframe. The analysis suggests that these whopper viruses did not evolve from a cellular ancestor but rather are derived from a much smaller virus through extensive gene gain.
A new report reveals that while researchers acknowledge the benefits of open data, data sharing practices are still limited due to various reasons such as lack of training and proprietary aspects. The study found that only about 15% of researchers share their data in a repository, with most sharing it directly with collaborators.
Researchers developed Single Cell Consensus Clustering (SC3) to overcome challenges in analysing complex single-cell RNA-sequence data. The tool resolved datasets from patients with myeloproliferative neoplasm, revealing correlations between gene expression and mutations.
Researchers from Baylor College of Medicine discovered that OTUD6B gene mutations cause a spectrum of physical and intellectual deficits. The study found 12 individuals carrying mutations in OTUD6B with similar clinical characteristics, including severe intellectual disability and cardiovascular problems.
Archaeological excavations in northern Taiwan have uncovered significant evidence of early European presence and influence, contradicting long-held theories. The site, once a Spanish colony, now suggests that Taiwan played a crucial role as a globalized hub during the 17th century.
Researchers at Uppsala University found that genes frequently collaborate in large clusters or networks to regulate traits. This study highlights the importance of considering gene interactions when predicting genetic effects on individuals.
A new study by BYU nursing professor Julie Valentine found that sexual assault kit submission rates in Utah improved significantly from 38 percent in 2010-2013 to 75 percent in 2014. The study analyzed 2,317 kits and showed notable improvements in various jurisdictions, with Washington County seeing the most significant increase.
A preliminary study found that biological age is a better predictor of stroke recovery than chronological age. Researchers analyzed DNA structure changes to estimate biological age and found that it's an important factor in patient recovery after stroke.
Researchers have identified additional genes that may contribute to the metabolic disorder TMAU, suggesting that genetic testing may not be sufficient to identify all cases. This new insight provides reassurance to those who report fish-like odor symptoms without mutations in the FMO3 gene.
Researchers analyzed gene expression in albino and green orchids to investigate the evolution of parasitic plants. They found that genes related to mycorrhizal symbiosis are highly expressed in albino individuals, suggesting a similar mechanism for incorporation into fungi.
Researchers have identified Mycobacterium chimaera bacteria transmission from contaminated cardiac surgery machines in Australia and New Zealand. The infection can cause serious illness but may be treated with antibiotics, according to a new test developed by the University of Melbourne team.
New research at Brown University finds that a non-equilibrium phenomenon relies on entropy to emerge, surprising scientists who thought disorder would decrease as systems move away from equilibrium. The study's results have implications for our understanding of entropy and may lead to new practical applications.
Neuroscientists at the University of Geneva have identified three main sub-groups of inhibitory interneurons in the cortex by analyzing cell-type specific genes and their expression patterns. These findings will aid in understanding neuro-developmental disorders such as autism and schizophrenia.
Genetic analysis reveals dozens of chemical compounds associated with tomato flavor that have been lost in modern varieties. Selection for size and firmness has led to a reduction in sweetness and flavor content, highlighting the need to reintroduce flavor-infusing genes.
Researchers found that medaka fish lose bone density rapidly in space due to microgravity, which affects osteoclasts and osteoblasts differently than on Earth. The study suggests the participation of NO-GCR signal pathway in microgravity stress.
Researchers discover FKB-6, a protein that regulates the speed of chromosome pairing in nematodes, ensuring accurate genetic information swap during reproduction. The findings offer new insight into animal fertility and could help understand defects contributing to conditions like Down syndrome.
Catherine Girard, a Canadian researcher, studied the diet and health of the local Inuit population in Resolute Bay. Her findings, published in mSphere, mark the first time that Inuit microbiome has been described, revealing a surprisingly similar gut microbiome compared to Montreal residents.
A study published in Nature Communications found that nearly three quarters of immune traits are genetically determined, with adaptive responses being more influenced by genetics than previously thought. The research also highlights the importance of environmental factors such as diet on shaping innate immunity in adult life.
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 at Uppsala University and Chinese Academy of Sciences estimated the potential distribution of the endangered Rufous-headed Robin, suggesting it might be larger than previously believed. The study also analyzed DNA and found the bird's closest relative is the Rufous-tailed Robin.
A study published in the American Journal of Medical Genetics found that medical care costs for children with Down syndrome are less than $100 a month higher than those for typically developing children. The average monthly cost difference is lower when the child is older, ranging from $537 a year for children aged 13-18.
Researchers used whole exome sequencing to analyze nearly 7,400 patients, identifying a genetic cause in 28 percent. The study shows that multiple genes can be involved in complex diseases, leading to imprecise diagnoses. A unified analysis combining clinical and genetic features provides more precise diagnoses.
The study used DNA barcoding to identify insects from Malaise trap samples, assigning species names to 35% of specimens. The workflow for semi-automated identification was efficient, but coverage gaps remain, particularly for Diptera and Hymenoptera.
The Structural Biology and Biocomputing Programme at CNIO has contributed to the BLUEPRINT project, a major European initiative studying the human epigenome. The project has generated a large volume of epigenomic data, which is now accessible for research, facilitating new ways to diagnose and treat diseases.
Insilico Medicine developed a novel tool, iPANDA, to derive new insights from gene expression repositories. The method combines precalculated gene coexpression data with gene importance factors for obtaining pathway activation scores, producing highly consistent sets of biologically relevant biomarkers.
A study found that a gene regulating bone growth is highly active in the brains of humans and nonhuman primates, but not in mice. The researchers believe this gene may play a role in brain maturation and cognitive function.
Researchers at Columbia University developed a new machine-learning algorithm called TeraStructure to analyze massive genetic data sets. The algorithm can estimate population structure more accurately and twice as fast as current state-of-the-art algorithms, making it potentially useful for identifying disease-causing genetic mutations.
In a lab-based test using the Ames assay, scientists found that e-cigarette vapour did not cause DNA mutations in bacteria, unlike tobacco smoke. The results suggest that e-cigarettes may be less harmful than cigarettes, supporting growing evidence of their potential as a safer alternative.
The leaf-mining pygmy moths and white eyecap moths have a rich evolutionary history that dates back to the early Cretaceous period, around 100 million years ago. A new classification system has been established based on DNA analysis, revealing three new genera in South and Central America.
A new whole-genome analysis reveals that chimpanzees and bonobos had a historical genetic flow, which sheds light on processes that may have played a recurring role in great ape evolution. The study found evidence of gene flow between the two species between 200-550 thousand years ago.
A VIB and Ghent University research team has identified key genes that enable plants to respond to drought stress. These core genes play a pivotal role in a plant's defense mechanism against drought, allowing for advanced breeding and genome engineering efforts to create drought-tolerant crop plants.
Researchers found that adding NIPS for fetal chromosomal abnormalities to the current prenatal testing strategy in Quebec would reduce the number of amniocentesis procedures performed by about 90 percent. The Serum Integrated option, followed by NIPS for women at high risk, was the most cost-effective approach.
A set of all-female hybrid greenling fish has boosted its long-term survivability by switching from one mating species to another. This 'host switch' occurred approximately 2,000 to 20,000 years ago and is thought to be a reason for the hybrids' extended survival.
A new non-invasive test measures donor-derived cell-free DNA in plasma to monitor transplant recipients and detect rejection. The assay has shown promise in reducing complications and rejection, improving outcomes for heart transplant patients.
A recent archaeological analysis has found that early settlers of Tonga and Vanuatu originated from Melanesia, challenging the long-held assumption about the colonization of the region. The research team's findings point to a previously unknown migration wave from the Solomon Islands chain.
The National Science Foundation is funding a project to develop non-destructive analysis of plant leaves in breeding lines, enabling rapid screening of breeding materials. The goal is to produce higher-indicin yielding breeders seed stock, increasing the cost-competitiveness of plant-derived indigo dye.
A substantial proportion of birth weight variation is attributed to genetic differences, with some 1/6th of the difference being due to genetics. The study also found a link between genetic differences in early growth and increased risk of adult diseases.
Scientists have reclassified giraffes into four distinct species based on genetic analysis, revealing new insights into their biology and conservation needs. The study highlights the urgent need for protection efforts to safeguard these endangered animals in Africa.
A new study has identified four highly distinct groups of giraffe, each with its own genetic profile, indicating they should be recognized as four separate species. The researchers hope this discovery will lead to targeted conservation efforts for the endangered species.
A commonly used cell line, U87MG, was found to have a different DNA profile than the original tumour it was established from. Genetic analysis revealed that the cell line likely originated from a human glioma tumour, highlighting the need for proper identification of cultured cells.
Researchers developed an algorithm to analyze single-cell sequencing data, revealing the genetic control of blood cell formation. The 'diffusion pseudotime' method orders cells on a virtual timeline, reconstructing developmental paths and gene expression sequences.