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Archive for the ‘biotech/medical’ category: Page 408

Oct 21, 2023

New personalised cancer vaccine could soon be made available

Posted by in categories: biotech/medical, innovation

Hailed as a “true breakthrough”, a new personalised cancer vaccine could soon be made available to patients. Today medical expert Dr Nick Coatsworth explains how the treatment works. Subscribe and 🔔: http://9Soci.al/KM6e50GjSK9 | Get more breaking news at 9News.com.au: http://9Soci.al/iyCO50GjSK6

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Oct 21, 2023

What to Never Do if You Want To Lower Breast Cancer Risk

Posted by in category: biotech/medical

Breast cancer specialists and OB-GYNs say that there’s one thing to never, ever do if you want to lower your risk of breast cancer.

Oct 21, 2023

Genetic Factors that Could Extend the Life of Golden Retrievers

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

One of the most popular dog breeds is the Golden Retriever. Unfortunately, these dogs are also at high risk for developing cancer. New research has investigated genetic factors that may be able to extend the lives of these beloved dogs. This work focused on longevity genes instead of those that have been associated with cancer, and led to the identification of gene variants that could extend the dogs’ lifespan by as much as two years. The findings have been reported in GeroScience.

While most golden retrievers are predisposed to cancer, some of these dogs can live to be as old as 15 or 16 years. So the researchers thought that there might be genetic factors that were mitigating the effect of the cancer-related genes, noted co-corresponding study author Robert Rebhun, Maxine Adler Endowed Chair in oncology at the UC Davis School of Veterinary Medicine. The gene that had this effect was HER4.

Oct 21, 2023

Scientists record powerful signal in the brain’s white matter

Posted by in categories: biotech/medical, neuroscience

The human brain is made up of two kinds of matter: the nerve cell bodies (gray matter), which process sensation, control voluntary movement, and enable speech, learning and cognition, and the axons (white matter), which connect cells to each other and project to the rest of the body.

Historically, scientists have concentrated on the gray matter of the cortex, figuring that’s where the action is, while ignoring white matter, even though it makes up half the brain. Researchers at Vanderbilt University are out to change that.

For several years, John Gore, Ph.D., director of the Vanderbilt University Institute of Imaging Science, and his colleagues have used imaging (fMRI) to detect blood oxygenation-level dependent (BOLD) signals, a key marker of brain activity, in white matter.

Oct 20, 2023

Many potential pathways to future pandemic influenza

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

Influenza viruses are believed to have sparked at least 14 human pandemics in the past 500 years; the most devastating of which began in 1918. Yet, despite intense study and considerable advances in public health, virus surveillance and virology, there is no simple answer to this pressing question: when and how will the next flu pandemic arise?

NIAID scientists including Jeffery K. Taubenberger, M.D., Ph.D., consider the many potential pathways to future influenza pandemics in a new viewpoints essay in Science Translational Medicine. There are no hard and fast ‘rules’ specifying, for example, what characteristics a given avian influenza virus must possess to allow it to efficiently infect… More.


Influenza pandemics have emerged for centuries but still cannot be accurately predicted.

Oct 20, 2023

Inhibition of acute complement responses towards bolus-injected nanoparticles using targeted short-circulating regulatory proteins

Posted by in categories: biotech/medical, nanotechnology

A NIAID-funded study suggests a strategy to mitigate harmful side effects of nanoparticles in medicine. The researchers showed in animal models that a lab-made molecule safely prevented nanomedicines from activating a set of immune-system proteins called the complement system and causing negative side effects. This is significant because when nanoparticles activate complement, the resulting immune response can not only cause an adverse reaction, but also reduce the efficacy of nanomedicines.

Oct 20, 2023

Guide to Uterine Cancer

Posted by in category: biotech/medical

More than 60,000 women in the U.S. get this type of cancer each year. Find out more about the symptoms and how it’s diagnosed and treated.

Oct 20, 2023

Breast Health: Follow-up after an abnormal mammogram

Posted by in categories: biotech/medical, health

Breast changes are very common, and most breast changes are not cancer. Our health guide for women explains:


A breast lump may be benign or a symptom of breast cancer. Learn about follow-up after an abnormal mammogram. See pictures of breast cancer, cysts, and calcifications. Find out symptoms for benign breast conditions, precancers, and DCIS.

Oct 20, 2023

Month after pig heart transplant, Maryland man pushing through “tough” physical therapy

Posted by in categories: biotech/medical, health

It’s been a month since a Maryland man became the second person to receive a transplanted heart from a pig — and hospital video released Friday shows he’s working hard to recover.

Lawrence Faucette was dying from heart failure and ineligible for a traditional heart transplant when doctors at the University of Maryland School of Medicine offered the highly experimental surgery.

In the first glimpse of Faucette provided since the Sept. 20 transplant, hospital video shows physical therapist Chris Wells urging him to push through a pedaling exercise to regain his strength.

Oct 20, 2023

Scientists Pump Up Lab-Grown Muscles for Robots With a New Magnetic Workout

Posted by in categories: biotech/medical, cyborgs, robotics/AI

Unfortunately, these precise cell arrangements are also why artificial muscles are difficult to recreate in the lab. Despite being soft, squishy, and easily damaged, our muscles can perform incredible feats—adapt to heavy loads, sense the outside world, and rebuild after injury. A main reason for these superpowers is alignment—that is, how muscle cells orient to form stretchy fibers.

Now, a new study suggests that the solution to growing better lab-grown muscles may be magnets. Led by Dr. Ritu Raman at the Massachusetts Institute of Technology (MIT), scientists developed a magnetic hydrogel “sandwich” that controls muscle cell orientation in a lab dish. By changing the position of the magnets, the muscle cells aligned into fibers that contracted in synchrony as if they were inside a body.

The whole endeavor sounds rather Frankenstein. But lab-grown tissues could one day be grafted into people with heavily damaged muscles—either from inherited diseases or traumatic injuries—and restore their ability to navigate the world freely. Synthetic muscles could also coat robots, providing them with human-like senses, flexible motor control, and the ability to heal after inevitable scratches and scrapes.

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