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140,000 Virus Species Found in the Human Gut
Viruses are the most numerous biological entities on the planet. Now researchers have identified over 140,000 viral species living in the human gut, more than half of which have never been seen before.
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Analyzing Cell-Free DNA in Urine To Detect Cancer
Urinalysis has long been a staple of physical exams to detect and manage a number of diseases and disorders, but not cancer. What if it were that easy, though, and cancer was detected in its very earliest stages when the disease responds more favorably to treatment and improved outcomes are more likely?
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A Blood Test To Predict Environmental Harms to Children
Scientists have developed a method using a DNA biomarker to easily screen pregnant women for harmful prenatal environmental contaminants like air pollution linked to childhood illness and developmental disorders.
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D614G Mutation Makes SARS-CoV-2 Eight Times More Infectious
A specific SARS-CoV-2 spike protein mutation – one of several genetic mutations in the concerning variants that have emerged – makes the virus up to eight times more infectious in human cells than the initial virus that originated in China.
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Researchers Identify Gene Implicated in Neuroblastoma
A team of researchers has identified that a chromosome instability gene called USP24, is frequently missing in pediatric patients with neuroblastoma, an aggressive form of childhood cancer.
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High Coffee Consumption Linked to Increased Risk of Cardiovascular Disease
In a world first genetic study, researchers from the Australian Centre for Precision Health at the University of South Australia found that that long-term, heavy coffee consumption – six or more cups a day – can increase the amount of lipids (fats) in your blood to significantly heighten your risk of cardiovascular disease (CVD).
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Scientists Extract and Sequence Million-Year-Old Mammoth DNA
A team of 22 researchers from nine countries – led by the Centre for Palaeogenetics (CPG) – has sequenced ancient DNA from the remains of three different mammoth species excavated in the Siberian permafrost. This is the oldest DNA to have been sequenced in the history of science. The study findings are published in the journal Nature.
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Study Locates Five Genes That May Play a Critical Role in Lewy Body Dementia
Changes in the activity of five genes may play a critical role in determining whether a person will suffer from Lewy body dementia.
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Neanderthal Gene Variants Both Increase and Decrease COVID-19 Risk
Last year, researchers showed that a major genetic risk factor for severe COVID-19 is inherited from Neandertals. Now the same researchers find that Neandertals also contributed a protective variant. Half of all people outside Africa carry a Neandertal gene variant that reduces the risk of needing intensive care for COVID-19 by 20 percent.
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Bacteria and Algae Hitch a Ride in Clouds
Human health and ecosystems could be affected by microbes including cyanobacteria and algae that hitch rides in clouds and enter soil, lakes, oceans and other environments when it rains, according to a recent study.
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