Culture
SAN FRANCISCO, CA--December 14, 2020--An important part of the brain's immune system, cells called microglia constantly extend and retract "branches" from their cell body to survey their environment. Think of an octopus, not moving its body, but reaching its tentacles in every direction. That's how microglia operate. In the span of an hour, each cell will have covered the entire three-dimensional space that surrounds it. And then, it will start all over again.
Researchers at the University of Maryland School of Medicine published one of the most comprehensive analyses of how genes get expressed during infection (known as a transcriptome). The analyses include three different strains of the bacteria Streptococcus pneumoniae, which causes pneumonia, meningitis and middle-ear infections. It also includes analyses of the lungs and four other organs in an animal model where the bacteria resides, multiplies and takes hold in the body. Their findings were published today in the Proceedings of the National Academy of Sciences.
Unraveling the links among obesity, aging, telomere lengths and metabolic diseases is the subject of the study published today in Nature Metabolism by a collaborative research team at The University of Texas Health Science Center at Houston (UTHealth).
Below please find a summary and link(s) of new coronavirus-related content published today in Annals of Internal Medicine. The summary below is not intended to substitute for the full article as a source of information. A collection of coronavirus-related content is free to the public at http://go.annals.org/coronavirus.
1. Accounting for recent population aging is critical for estimating non-COVID-19 excess deaths in the U.S.
Over 50 per cent of Asians living in the UK are severely deficient in vitamin D, leaving them more vulnerable to respiratory infections such as COVID-19 and musculoskeletal disorders, according to a large-scale population study published this week.
The journal Clinical Nutrition also reports that more than a third of Black Africans living in Britain have high levels of vitamin D deficiency, and lower socio-economic groups are more at risk.
A team of astronomers used the Keck I telescope to measure the distance to an ancient galaxy. They deduced the target galaxy GN-z11 is not only the oldest galaxy but also the most distant. It's so distant it defines the very boundary of the observable universe itself. The team hopes this study can shed light on a period of cosmological history when the universe was only a few hundred million years old.
An AI developed by Japanese researchers might soon help stroke survivors get the right treatment by detecting a patient's post-stroke depression (PSD) type, a frequently seen but often overlooked neuropsychiatric manifestation after a stroke that could impair functional recovery.
Thinking like Earthlings may have caused scientists to overlook the electrochemical effects of Martian dust storms.
On Earth, dust particles are viewed mainly in terms of their physical effects, like erosion. But, in exotic locales from Mars to Venus to Jupiter's icy moon Europa, electrical effects can affect the chemical composition of a planetary body's surface and atmosphere in a relatively short time, according to new research from Washington University in St. Louis.
PHILADELPHIA - Primary liver cancer is on the rise worldwide, largely due to an increase in hepatitis C infections and chronic liver disease. Liver cancer is also hard to treat - it kills 750,000 people a year worldwide, making it the second deadliest type of cancer behind lung cancer. Current treatments include a targeted radiation therapy delivered with the help of radiation-emitting glass beads.
That is the key finding in a new study published today in Environmental Research Letters by scientists from the Carnegie Institution for Science, USA and the University of Waterloo, Canada.
In a paper just published in the Journal for the Immunotherapy of Cancer (doi:10.1136/jitc-2020-001712), Dr Herbert, Head of Discovery at InsideOutBio, asks whether cancer cells stiff-arm immune cells just like rugby players push off defenders from the other team. He describes the nanoscale machinery used by tumors to fend off the immune system. The molecules involved are capable of flexing and extending as needed, just like a rugby player's arm.
Findings released today from the most recent Monitoring the Future (MTF) survey of substance use behaviors and related attitudes among teens in the United States indicate that levels of nicotine and marijuana vaping did not increase from 2019 to early 2020, although they remain high. The annual MTF survey is conducted by the University of Michigan's Institute for Social Research, Ann Arbor, and is funded by the National Institute on Drug Abuse (NIDA), part of the National Institutes of Health.
People in Scotland's poorest areas are more likely to be affected by severe Covid-19 - and to die from the disease - than those in more affluent districts, according to a study of critical care units.
The first nationwide study of its kind found patients from the most economically disadvantaged areas had a higher chance of critical care admission, and that intensive care units there were more likely to be over capacity.
WEST LAFAYETTE, Ind. - Is it possible to read a person's mind by analyzing the electric signals from the brain? The answer may be much more complex than most people think.
Purdue University researchers - working at the intersection of artificial intelligence and neuroscience - say a prominent dataset used to try to answer this question is confounded, and therefore many eye-popping findings that were based on this dataset and received high-profile recognition are false after all.
PULLMAN, Wash. -- WSU researchers have used the ancient Japanese art of paper folding to possibly solve a key challenge for outer space travel - how to store and move fuel to rocket engines.
The researchers have developed an origami-inspired, folded plastic fuel bladder that doesn't crack at super cold temperatures and could someday be used to store and pump fuel. Led by graduate student Kjell Westra and Jake Leachman, associate professor in the School of Mechanical and Materials Engineering, the researchers have published their work in the journal, Cryogenics.