Archive for the ‘biotech/medical’ category: Page 11

Jan 20, 2024

Biotech: Human Modification & Augmentation

Posted by in categories: biotech/medical, futurism

In the future Biotechnology may allows us repair, modify, or augment humans, but how will this be done? What will these technologies look like and should we embrace them?

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Jan 20, 2024

NEJM Journal Watch: Summaries of and commentary on original medical and scientific articles from key medical journals

Posted by in categories: biotech/medical, health, policy

Should all patients with COPD exacerbations receive oral steroids, or only those with eosinophilia?

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Jan 20, 2024

Supercomputer uses machine learning to set new speed record

Posted by in categories: biotech/medical, genetics, robotics/AI, space travel, supercomputing

Give people a barrier, and at some point they are bound to smash through. Chuck Yeager broke the sound barrier in 1947. Yuri Gagarin burst into orbit for the first manned spaceflight in 1961. The Human Genome Project finished cracking the genetic code in 2003. And we can add one more barrier to humanity’s trophy case: the exascale barrier.

The exascale barrier represents the challenge of achieving exascale-level computing, which has long been considered the benchmark for high performance. To reach that level, however, a computer needs to perform a quintillion calculations per second. You can think of a quintillion as a million trillion, a billion billion, or a million million millions. Whichever you choose, it’s an incomprehensibly large number of calculations.

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Jan 20, 2024

Japan Lands on the Moon Peregrine Reenters Earth’s Atmosphere

Posted by in categories: biotech/medical, education, food, health

Japan’s Moon Snipper Landed on the Moon making Japan the fifth nation to accomplish a lunar landing and Astrobiotic’s Peregrine lunar lander reenters Earth’s atmosphere.

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Jan 19, 2024

Robin Roberts Breaks Down in Tears on ‘GMA’ Over Cancer Research News

Posted by in categories: biotech/medical, health

ABC News anchor Robin Roberts was brought to tears on Thursday while reporting on a new cancer treatment breakthrough. The story was about a new means of helping cancer patients find donors for blood stem cell transplants – something that Roberts herself had to deal with during her own cancer battle and subsequent health issues. She shed tears thinking of families who will not have to worry as much as she did.

Roberts presented this story along with Good Morning America co-hosts George Stephanopoulos and Lara Spencer. They explained how patients previously had to find a near perfect match for a blood stem cell transplant. This was a particular issue for people of color, but this new breakthrough more than doubles their chances of finding a match. They illustrated the effects with the real-life story of a girl who recently survived a cancer diagnosis that would have been much more dangerous beforehand. Roberts explained how broadening the list of potential donors can be so helpful – and can improve the mindsets of patients and their families as well.

Jan 19, 2024

New study reports first known use of positron emission particle tracking in a living animal subject

Posted by in categories: biotech/medical, engineering

Researchers from the School of Biomedical Engineering & Imaging Sciences have published a new study exploring the use of positron emission particle tracking (PEPT) in a living subject for the first time.

PEPT technology allows for the 3D localization and tracking of a single radioactive particle within large, dense, and/or optically opaque systems, which is difficult to study using other methodologies. The technology is currently used to study flows within complex mechanical systems such as large engines, industrial mixers, etc., but has not yet been translated for use in .

PEPT has previously been an unexplored area in biomedical imaging due to the lack of methods to isolate and radiolabel a single particle of a small enough size and with enough radioactivity which to would enable it to be injected and detected in a living subject.

Jan 19, 2024

Cheaper microscope could bring protein mapping technique to the masses

Posted by in category: biotech/medical

Talk to any structural biologist, and they’ll tell you how a cool new method is taking over their field. By flash freezing proteins and bombarding them with electrons, cryo–electron microscopy (cryo-EM) can map protein shapes with near-atomic resolution, offering clues to their function and revealing bumps and valleys that drug developers can target. The technique can catch wriggly proteins in multiple configurations, and it can even capture those that have been off-limits to traditional x-ray analysis because they stubbornly resist being crystallized. Many researchers expect cryo-EM will surpass x-ray crystallography in the number of new protein structures solved next year.

Yet for all its charms, cryo-EM has flaws: The freezing process is finicky, and the microscopes are expensive. High-end machines can cost more than $5 million to buy, about as much to install, and hundreds of thousands per year to operate and maintain. Many U.S. states—and countries—don’t have a single cryo-EM microscope. “The haves and have-nots is what it is right now,” says Rakhi Rajan, a structural biologist at the University of Oklahoma, which currently lacks one.

Researchers at the Medical Research Council’s Laboratory of Molecular Biology (LMB) have been working to democratize the field. Today, in the, the U.K. team describes cobbling together a prototype cryo-EM microscope that has solved its first structures. The machine—what LMB physicist Chris Russo calls a “cheap little hatchback” rather than a “Ferrari”—could rival high-end machines in capabilities for one-tenth of the cost.

Jan 19, 2024

Cloned rhesus monkey lives to adulthood for first time

Posted by in category: biotech/medical

A method that provides cloned embryos with a healthy placenta could pave the way for more research involving the primates.

Jan 19, 2024

Research into the nature of memory reveals how cells that store information are stabilized over time

Posted by in categories: biotech/medical, neuroscience

When neurons are activated in the hippocampus, not all are going to be firing at once.

Think of a time when you had two different but similar experiences in a short period. Maybe you attended two holiday parties in the same week or gave two presentations at work. Shortly afterward, you may find yourself confusing the two, but as time goes on that confusion recedes and you are better able to differentiate between these different experiences.

New research published in Nature Neuroscience reveals that this process occurs on a , findings that are critical to the understanding and treatment of memory disorders, such as Alzheimer’s disease.

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Jan 19, 2024

Lifespan Increases in Mice when Specific Brain Cells are Activated, study finds

Posted by in categories: biotech/medical, life extension, neuroscience

In recent years, research has begun to reveal that the lines of communication between the body’s organs are key regulators of aging. When these lines are open, the body’s organs and systems work well together. But with age, communication lines deteriorate, and organs don’t get the molecular and electrical messages they need to function properly.

A new study from Washington University School of Medicine in St. Louis identifies, in mice, a critical communication pathway connecting the brain and the body’s fat tissue in a feedback loop that appears central to energy production throughout the body. The research suggests that the gradual deterioration of this feedback loop contributes to the increasing health problems that are typical of natural aging.

The study—published in the journal Cell Metabolism—has implications for developing future interventions that could maintain the feedback loop longer and slow the effects of advancing age.

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