Lifeboat Foundation: Safeguarding Humanity
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Category: health – Page 4

A multidisciplinary clinical team led by Professor Bernat Soria from the Institute of Bioengineering at the Miguel Hernández University of Elche (UMH, Spain) has developed a new method to deliver cell therapies in patients on extracorporeal membrane oxygenation (ECMO), a life support system used in cases of severe lung failure.

The advance has been published in Stem Cell Research & Therapy. The team has opted not to patent the technique in order to encourage its use in public health systems once further clinical testing is completed.

The method—named CIBA, for “Consecutive Intrabronchial Administration”—enables the delivery of stem-cell-based treatments directly into the alveoli of critically ill patients who cannot receive standard intravenous cell therapy due to the ECMO system’s constraints.

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The development and spread of antibiotic resistance represents one of the greatest threats to global health. To overcome these resistances, drugs with novel modes of action are urgently needed.

Researchers at the Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) have now uncovered the mode of action of a promising class of natural products—the chlorotonils. These molecules simultaneously target the bacterial cell membrane and the bacteria’s ability to produce proteins, enabling them to break through resistance. The team published its findings in Cell Chemical Biology.

The more frequently antibiotics are used, the faster pathogens evolve mechanisms to evade their effects. This leads to against which common antibiotics are no longer effective. To ensure that effective treatments for bacterial infections remain available in the future, antibiotics that target different bacterial structures than currently approved drugs are essential.

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A chemical injected before MRI scans to help create sharper images may cause some patients to experience a potentially deadly complication in rare cases, a new study suggests.

Researchers from the University of New Mexico found that gadolinium – a toxic rare earth metal used in MRI scans – could mix with oxalic acid found in many foods to precipitate tiny nanoparticles of the metal in human tissues.

The research, published in the journal Magnetic Resonance Imaging, assessed the formation of these nanoparticles associated with potentially deadly health problems in the kidneys and other organs.

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Researchers at Imperial College London and Lund University in Sweden found that by giving heart attack patients two drugs together – statins and ezetimibe, a cholesterol-lowering drug – their risk of another heart attack, stroke or death was reduced.

“This study shows that we could save lives and reduce further heart attacks by giving patients a combination of two low-cost drugs,” said Prof Kausik Ray, of Imperial’s School of Public Health.

But at the moment patients across the world aren’t receiving these drugs together. That is causing unnecessary and avoidable heart attacks and deaths – and also places unnecessary costs on healthcare systems.

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When a pregnant woman had her blood sampled back in 1972, doctors discovered it was mysteriously missing a surface molecule found on all other known red blood cells at the time.

After 50 years, this strange molecular absence finally led to researchers from the UK and Israel describing a new blood group system in humans. In 2024, the team published their paper on the discovery.

“It represents a huge achievement, and the culmination of a long team effort, to finally establish this new blood group system and be able to offer the best care to rare, but important, patients,” UK National Health Service hematologist Louise Tilley said last September, after nearly 20 years of personally researching this bloody quirk.

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“Surgery means extensive recovery time and can significantly impact patient health. Our system doesn’t require surgery because we use a conventional stent, the catheter, as a delivery vehicle,” said W. Hong Yeo, the Harris Saunders Jr. Endowed Professor and an associate professor in the George W. Woodruff School of Mechanical Engineering.

Made from ultra-thin, flexible silicone, these nanosensors can be embedded in almost anything, from pacifiers to catheters. But size was just one element the researchers needed to consider when developing this device; accuracy was just as important.

Hong Yeo holds an in-stent nanomembrane sensor that can detect intracranial pressure.

A car accident, football game, or even a bad fall can lead to a serious or fatal head injury. Annually, traumatic brain injuries (TBI) cause half a million permanent disabilities and 50,000 deaths. Monitoring pressure inside the skull is key to treating TBI and preventing long-lasting complications.

Most of these monitoring devices are large and invasive, requiring surgical emplacement. But Georgia Tech researchers have recently created a sensor smaller than a dime. The miniature size offers huge benefits.

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