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Archive for the ‘biotech/medical’ category: Page 83

Apr 11, 2024

Scientists uncover key resistance mechanism to Wnt inhibitors in pancreatic and colorectal cancers

Posted by in category: biotech/medical

Scientists at Duke-NUS Medical School have uncovered why some pancreatic and colorectal cancers fail to respond to Wnt inhibitors, a promising new class of cancer drugs currently under development for these cancers. Their discovery, published in Science Advances, not only offers a new cancer therapy target but also a potential screening tool to identify those patients who will not benefit from this new therapy once it becomes available.

Apr 11, 2024

CAR T Cell Therapies Last Longer, Work Better with FOXO1 Protein

Posted by in category: biotech/medical

New research shows that FOXO1 is required for memory in T cells and associated with more durable clinical responses to CAR T cell therapy.

Apr 11, 2024

Faster aging linked to cancer rates in young adults, study finds

Posted by in categories: biotech/medical, life extension

Researchers from Washington University School of Medicine suggest accelerated biological aging may be driving early-onset cancer rates in young people.

Apr 11, 2024

Breakthrough Parkinson’s Gene Discovery Sheds Light on Evolutionary Origin

Posted by in categories: biotech/medical, neuroscience

Parkinson’s disease is a neurodegenerative movement disorder that progresses relentlessly. It gradually impairs a person’s ability to function until they ultimately become immobile and often develop dementia. In the U.S. alone, over a million people are afflicted with Parkinson’s, and new cases and overall numbers are steadily increasing.

There is currently no treatment to slow or halt Parkinson’s disease. Available drugs don’t slow disease progression and can treat only certain symptoms. Medications that work early in the disease, however, such as Levodopa, generally become ineffective over the years, necessitating increased doses that can lead to disabling side effects.

Continue reading “Breakthrough Parkinson’s Gene Discovery Sheds Light on Evolutionary Origin” »

Apr 11, 2024

Testing drugs on mini-cancers in the lab may reveal best treatment

Posted by in categories: biotech/medical, innovation

The next innovation in cancer treatment could be to test all possible drugs on thousands of miniature versions of a person’s tumour, grown in the lab, to see which works the best. The technique, sometimes called drug sensitivity testing, may have already helped a few children with advanced cancer live for longer than the standard approach.

It could eventually become routinely used for everyone with cancer, says Diana Azzam at Florida International University in Miami. “I would say it will help guide treatments in any [cancer], whether it’s aggressive or not.”

Apr 11, 2024

AI Tool Helps Doctors Pick Optimum Cancer Treatment For Patients

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

An Israeli medtech company is using artificial intelligence to help oncologists decide the best and most effective course of treatment for their cancer patients.

OncoHost’s main focus is on treatments for non-small cell lung cancer (NSCLC). According to the World Cancer Research Fund, lung cancer is the second most common cancer (after breast cancer) and responsible for 12.2 percent of new cases of the disease.

In fact, OncoHost CEO Ofer Sharon tells NoCamels, lung cancer “is the number one killer” among patients with this form of the disease.

Apr 11, 2024

New treatment approach shows promise in hard-to-treat pediatric cancers

Posted by in categories: biotech/medical, genetics

Researchers have developed a functional precision medicine approach that targets cancer by combining genetic testing with a new way to test individual drugs on tumor samples. The results of the clinical study were published in Nature Medicine.

Apr 11, 2024

Arkansas man receives world’s first eye transplant

Posted by in categories: biotech/medical, military

Surgeons at NYU Langone have performed the world’s first whole eye transplant. The recipient can’t see out of his new eye, but it’s still healthy more than five months after the operation — putting doctors a major step closer to restoring vision with donor eyes in the future.

The patient: Aaron James, a 46-year-old military vet living in Arkansas, was working as a high-voltage lineman in 2021 when he came in contact with a live wire. The accident caused severe burns that led to the loss of his left eye, his nose, his mouth, half of his face, and his left arm from just above the elbow.

Continue reading “Arkansas man receives world’s first eye transplant” »

Apr 11, 2024

How a new drug prototype regenerates lung tissue

Posted by in category: biotech/medical

Pulmonary diseases are a leading cause of morbidity and mortality worldwide. For many progressive lung diseases like idiopathic pulmonary fibrosis (IPF), a key issue is a low supply of new stem cells to repair and reverse damage. These cells are responsible for regenerating and increasing the growth of healthy tissue—without them, lung function decreases and a range of severe illnesses can take hold.

Apr 11, 2024

This fMRI technique promised to transform brain research — why can no one replicate it?

Posted by in categories: biotech/medical, neuroscience

In conventional functional MRI (fMRI), researchers monitor changes in blood flow to different brain regions to estimate activity. But this response lags by at least one second behind the activity of neurons, which send messages in milliseconds.

Park and his co-authors said that DIANA could measure neuronal activity directly, which is an “extraordinary claim”, says Ben Inglis, a physicist at the University of California, Berkeley.

The DIANA technique works by applying minor electric shocks every 200 milliseconds to an anaesthetized animal. Between shocks, an MRI scanner collects data from one tiny piece of the brain every 5 milliseconds. After the next shock, another spot is scanned. The software stitches together data from all the spots, to visualize changes in an entire slice of brain over a 200-millisecond period. The process is similar to filming an action pixel by pixel, where the action would need to be repeated to record every pixel, and those recordings stitched together, to create a full video.

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