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Новости за 20.02.2024

Bridging diet, microbes, and metabolism: Implications for metabolic disorders

Sciencedaily.com 

Mounting evidence suggests that the secret to understanding human health and combating metabolic diseases lies hidden within the microscopic world of our gut bacteria. Recent research reveals that a specific fatty acid produced by gut bacteria directly influences fat metabolism in animals. This research is pivotal as it sheds light on the complex interplay between the diet, gut microbiota, and host metabolic health, offering insights that could open new avenues in our approach to managing metabolic disorders.

Photosynthetic mechanism of purple sulfur bacterium adapted to low-calcium environments

Sciencedaily.com 

Purple sulfur bacteria (PSB) convert light energy into chemical energy through photosynthesis. Interestingly, certain species can photosynthesize even in environments with low-calcium levels. Using cryo-electron microscopy, researchers unveiled the structure of light-harvesting complexes and elucidated the mechanism that facilitates photosynthesis under low-calcium conditions.

Breakthrough in developing the PD-1-enhanced DNA vaccine for over 6-year cART-free AIDS prevention and virologic control

Sciencedaily.com 

Researchers found that PD-1-enhanced DNA vaccination can induce sustained virus-specific CD8+ T cell immunity in an AIDS monkey model. The vaccinated monkeys remained free of AIDS for six years and achieved virologic control without the need for combination antiretroviral therapy (cART), a treatment used to suppress viral replication in individuals living with human immunodeficiency virus (HIV). The study also found that polyfunctional and broadly reactive effector-memory virus-specific T cells were... Читать дальше...

Engineers achieve breakthrough in quantum sensing

Sciencedaily.com 

A collaborative project has made a breakthrough in enhancing the speed and resolution of wide-field quantum sensing, leading to new opportunities in scientific research and practical applications.

Mapping potential pathways to MND treatment

Sciencedaily.com 

Researchers have mapped out the proteins implicated in the early stages of motor neurone disease (MND). They have developed a longitudinal map of the proteins involved in MND across the trajectory of the disease, identifying potential therapeutic pathways for further investigation.



Sebi uncovers $241 million accounting issue at Zee

Economictimes.indiatimes.com 

As part of its investigation into the Zee founders, the Securities and Exchange Board of India, or Sebi, found that about 20 billion rupees ($241 million) may have been diverted from the company, said people familiar with the matter who did not want to be identified as the information is not public yet. That’s roughly ten times more than initially estimated by Sebi investigators, the people said.

Where neural stem cells feel at home

Sciencedaily.com 

Researchers have created an artificial cell environment that could promote the regeneration of nerves. Usually, injuries to the brain or spinal cord don't heal easily due to the formation of fluid-filled cavities and scars that prevent tissue regeneration. One starting point for medical research is therefore to fill the cavities with a substance that offers neural stem cells optimal conditions for proliferation and differentiation.

The cultural evolution of collective property rights

Sciencedaily.com 

Common pool resources comprise around 65 percent of Earth's surface and vast tracts of the ocean. While examples of successful governance of these resources exist, the circumstances and mechanisms behind their development have remained unclear. Researchers have developed a simulation model to examine the emergence, stability and temporal dynamics of collective property rights.

New model identifies drugs that shouldn't be taken together

Sciencedaily.com 

Researchers have developed a multipronged strategy to identify the transporters used by different drugs. Their approach, which makes use of both tissue models and machine-learning algorithms, has already revealed that a commonly prescribed antibiotic and a blood-thinner can interfere with each other.

Physicists develop more efficient solar cell

Sciencedaily.com 

Physicists have used complex computer simulations to develop a new design for significantly more efficient solar cells than previously available. A thin layer of organic material, known as tetracene, is responsible for the increase in efficiency.

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Москва

Свыше 6,5 тысячи жителей Москвы и Московской области получили справки о статусе предпенсионера в клиентских службах регионального Отделения СФР и МФЦ


Plastic recycling with a protein anchor

Sciencedaily.com 

Polystyrene is a widespread plastic that is essentially not recyclable when mixed with other materials and is not biodegradable. A research team has now introduced a biohybrid catalyst that oxidizes polystyrene microparticles to facilitate their subsequent degradation. The catalyst consists of a specially constructed 'anchor peptide' that adheres to polystyrene surfaces and a cobalt complex that oxidizes polystyrene.

The immune system's moonlighters

Sciencedaily.com 

Scientists have discovered that the immune system stalwart I B has a moonlighting gig. A tiny protein sequence within I B activates another family of key immune proteins called POUs. The discovery may point to a new drug target for various autoimmune disorders.

Trump spokesman says Haley will 'kiss ass when she quits'

TheHill.com 

Trump campaign spokesman Steven Cheung predicted Tuesday that Nikki Haley would “kiss ass” to former President Trump when she “quits” the presidential race. Haley gave a defiant speech Tuesday declaring she would not drop out of the GOP primary, despite concerns over the low odds that she would beat Trump out for the Republican nomination....


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