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2023

Новости за 12.07.2023

New mechanism for rapid evolution of multi-drug resistant infections in patients

Sciencedaily.com 

Findings challenge the traditional view that antimicrobial resistance (AMR) emerges from pathogens that acquire new mutations. Samples from ICU patients suggest that instead, highly diverse pathogen communities harbor pre-existing resistant genotypes. The results suggest that interventions aimed at limiting the spread of bacteria between patients may provide a powerful approach to combat AMR.

Tod's: creative director Walter Chiapponi is leaving

FashionNetwork.com (uk) 

Walter Chiapponi, who has been creative director of the Italian luxury shoemaker since 2019, will leave the company after the presentation of his latest collection at Milan Fashion Week on September 22.

Schauffele, Spieth say PGA Tour commissioner has to earn back trust

Washingtontimes.com (sports) 

PGA Tour Commissioner Jay Monahan returns to work next week and some top players believe he has to regain their trust after leaving members in the dark over an about-face deal with the Saudi Arabia wealth fund behind LIV Golf.



A step toward treating chemotherapy-resistant prostate cancer

Sciencedaily.com 

Prostate cancer is a leading cause of death among American men, and it's resistant to one of the most powerful chemotherapy medications -- cisplatin. Now, researchers have developed the first therapy of its kind that disrupts prostate cancer cells' metabolism and releases cisplatin into the weakened cells, causing them to die. In mouse models, an orally administered version shrunk tumors substantially.

A new tactic to take on leprosy

Sciencedaily.com 

Leprosy has existed since at least Biblical times, yet scientists still don't know exactly how Mycobacterium leprae causes the disease's symptoms. Though antibiotics can treat the illness, researchers are concerned about the increase in drug-resistant strains. Now, a team has begun to understand the unique role certain immune receptors play in leprosy infections in mice, which could lead to new types of treatments for this disease and others in humans.

Ohio train derailment, clean-up resulted in high levels of some gases, study shows

Sciencedaily.com 

A freight train carrying industrial chemicals derailed near East Palestine, Ohio, in February 2023, and to avoid explosions, authorities conducted a controlled release and burned the cars' contents. Residents were worried about their health and the environment, so researchers have been assessing the local air quality with stationary and mobile sampling methods. Now they report that some gases, including acrolein, reached levels that could be hazardous.

Physicists work to prevent information loss in quantum computing

Sciencedaily.com 

Nothing exists in a vacuum, but physicists often wish this weren't the case. If the systems that scientists study could be completely isolated from the outside world, things would be a lot easier. Take quantum computing. It's a field that's already drawing billions of dollars in support from tech investors and industry heavyweights including IBM, Google and Microsoft. But if the tiniest vibrations creep in from the outside world, they can cause a quantum system to lose information.

Key improvements to Parkinson's disease cell therapies

Sciencedaily.com 

Researchers have demonstrated that a transplant surgical procedure (called 'needle trauma') triggers a profound immune response and causes the death of most grafted dopamine neurons. They also found that co-transplantation of neuronal cell therapy with host regulatory T cells resulted in effective suppression of needle trauma and significant improvement in the survival and recovery of grafts. These findings suggest a path for the 'realistic' use of cell therapy to treat neurodegenerative disorders.

DNA element with a murky past is borrowing cell's repair machinery

Sciencedaily.com 

Like their viral cousins, retrotransposons have been found borrowing the cell's own machinery to achieve their goals. They hijack a little-known piece of the cell's DNA repair function to close themselves into a ring-like shape and then create a matching double strand. The finding upends 40 years of conventional wisdom and may offer new insights into cancer, viral infections and immune responses. It could also offer a new way to insert sequences into the genome.





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