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Summary: Findings of a new study could help to design better strategies to improve sleep in workers with atypical work schedules.

Source: McGill University.

Getting enough sleep can be a real challenge for shift workers affecting their overall health. But what role does being an early bird or night owl play in getting good rest? Researchers from McGill University find a link between chronotype and amount of sleep shift workers can get with their irregular schedules.

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CRISPR-based technologies offer enormous potential to benefit human health and safety, from disease eradication to fortified food supplies. As one example, CRISPR-based gene drives, which are engineered to spread specific traits through targeted populations, are being developed to stop the transmission of devastating diseases such as malaria and dengue fever.

But many scientists and ethicists have raised concerns over the unchecked spread of gene drives. Once deployed in the wild, how can scientists prevent gene drives from uncontrollably spreading across populations like wildfire?

Continue reading “Synthetic SPECIES developed for use as a confinable gene drive” »

A first-in-human, Phase 1 trial assessing the safety and immunogenicity of an investigational nanoparticle influenza vaccine designed to provide long-lasting protection against multiple flu virus strains has begun at the National Institutes of Health Clinical Center in Bethesda, Maryland. Healthy participants 18 to 50 years old will receive either a licensed seasonal influenza vaccine or the experimental vaccine, FluMos-v1. Scientists from NIH’s National Institute of Allergy and Infectious Diseases (NIAID) developed FluMos-v1 to stimulate antibodies against multiple influenza virus strains by displaying part of the influenza virus hemagglutinin (HA) protein on self-assembling nanoparticle scaffolds. Alicia T. Widge, M.D., of NIAID’s Vaccine Research Center (VRC), is the principal investigator of the NIAID-sponsored single-site trial.

“The health and economic burdens of influenza are substantial, and the world badly needs improved flu vaccines,” said NIAID Director Anthony S. Fauci, M.D. “I am encouraged by the great promise of the VRC nanoparticle vaccine candidate, which so far has performed very well in pre-clinical testing.”

Standard influenza vaccines must be reformulated and administered annually to match changes in the HA protein in the viral strains predicted to dominate in the upcoming influenza season. If the vaccine is not well matched to dominant circulating virus strains, the antibodies elicited may provide sub-optimal protection. So-called universal influenza vaccines are being developed and tested by many research groups and could one day eliminate the need for annual vaccination by generating long-lasting antibodies to protect against many existing or emergent influenza virus strains, including those not represented in the vaccine.

Today, Sunday, May 30, 2021, at 1 p.m. Pacific Time, join us for a U.S. Transhumanist Party Virtual Enlightenment Salon with Ryan O’Shea, as we discuss the state of the transhumanist movement, life-extension advocacy, biohacking, Ryan’s Future Grind podcast, and more!

Watch on YouTube here:. You will be able to post questions and comments in the live YouTube chat.

Continue reading “U.S. Transhumanist Party Virtual Enlightenment Salon with Ryan O’Shea — May 30, 2021” »

Using a mouse model, Chen and the team delivered a viral construct containing TRPV1 ion channels to genetically-selected neurons. Then, they delivered small burst of heat via low-intensity focused ultrasound to the select neurons in the brain via a wearable device. The heat, only a few degrees warmer than body temperature, activated the TRPV1 ion channel, which acted as a switch to turn the neurons on or off.

Neurological disorders such as Parkinson’s disease and epilepsy have had some treatment success with deep brain stimulation, but those require surgical device implantation. A multidisciplinary team at Washington University in St. Louis has developed a new brain stimulation technique using focused ultrasound that is able to turn specific types of neurons in the brain on and off and precisely control motor activity without surgical device implantation.

Continue reading “New tool activates deep brain neurons” »

Rift Valley fever used to mostly affect livestock in Africa. But the virus that causes it is also spread by mosquitoes whose habitats are expanding because of climate change. If it were to make its way to the rest of the world, it would decimate livestock causing agricultural collapse as well as affecting human health.

In 2015 the Zika virus triggered a global health crisis that left thousands of parents devastated. The virus can cause serious problems in pregnancy, leading to babies with birth defects called microcephaly and other neurological problems. But Zika is not the only virus that can be devastating to pregnant women and their babies; there is another with pandemic potential that could be even more deadly – Rift Valley fever.

The placenta that encases the baby acts as a fortress against many pathogens, but a few can evade its defences. Rift Valley fever is one of them – a 2019 study shows that the virus has the ability to infect a specialised layer of placental cells that carry nutrients to the baby, something that even Zika may not be capable of. In cattle and other livestock, in which the virus spreads, infection can cause more than 90% of pregnant cows to miscarry or deliver stillborn calves. Although the virus kills fewer than 1% of people it infects, it is the risk to babies, and the lasting neurological effects in adults, that is of great concern.

Innovating At The Frontiers Of Cancer Biology — Dr. Jonathan Chernoff MD, PhD, Senior Vice President, Deputy Director, and Chief Scientific Officer, Fox Chase Cancer Center.

Dr. Jonathan Chernoff, MD, PhD, is Senior Vice President, Deputy Director, and Chief Scientific Officer, at Fox Chase Cancer Center (https://www.foxchase.org/) where he coordinates and charts the future course of research for the organization.

Continue reading “Dr. Jonathan Chernoff, MD, PhD — Senior VP, Deputy Director, and CSO — Fox Chase Cancer Center” »

Some of the most devastating health effects of a stroke or heart attack are caused by oxygen deprivation in the brain. Now, researchers at Massachusetts General Hospital (MGH) have identified an enzyme that may naturally protect the brain from oxygen deprivation damage, which could be a potential drug target to prevent issues arising from strokes or heart attacks.

Like many scientific breakthroughs, the new discovery came about while investigating something else entirely. The team was looking into a study from 2005 that found that a state of “suspended animation” could be induced in mice by having them inhale hydrogen sulfide. In the new study, the researchers set out to investigate the longer-term effects of that exposure.

The team exposed groups of mice to hydrogen sulfide for four hours a day, for five consecutive days. The suspended animation-like state followed, with the animals’ movement slowing and body temperatures dropping.