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

Mar 8, 2024

Novel cancer vaccine offers new hope for dogs — and those who love them

Posted by in categories: biotech/medical, futurism

During a sunny morning on Florida’s Gulf Coast last month, an 11-year-old golden retriever named Hunter bounded through a pine grove.


A Yale researcher developed a vaccine that can slow or halt certain cancers in dogs. And it could be used to treat humans in the future.

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Mar 8, 2024

Intriguing science discoveries of 2023

Posted by in categories: biotech/medical, computing, neuroscience, science

science images
This year, Rockefeller scientists plumbed the depths of wound repair and tackled how songbirds solve problems; they used microchips to grow mini-lungs and proposed an environmental trigger for multiple sclerosis. Efforts to combat COVID, Hepatitis B, and other infections bore fruit, and countless papers shed light on basic research, answering questions that have long baffled biologists. Here are some of the intriguing discoveries that came out of Rockefeller in 2023.

Old sperm, new mutations

As the male reproductive system ages, it becomes more and more susceptible to mutations. New research from the laboratory of Li Zhao explored this phenomenon in fruit flies, by focusing on how mutations arise during the formation of sperm. The team found that, while mutations are common in the testes of both young and old flies, the repair mechanisms that remove those mutations and maintain genomic integrity during spermatogenesis become less efficient in older individuals, leading to the accumulation and persistence of more mutations in older flies.

Mar 8, 2024

Evaluating outcomes of extended thrombolytic therapy for ischemic stroke

Posted by in categories: biotech/medical, neuroscience

Thrombolytic therapy administered longer after the onset of ischemic stroke than current recommendations did not demonstrate improved clinical outcomes as compared to placebo, according to a recent trial published in the New England Journal of Medicine.

Minjee Kim, MD, associate professor in the Ken and Ruth Davee Department of Neurology’s Division of Neurocritical Care, was a co-author of the study.

Ischemic stroke occurs when a blood vessel supplying blood to the brain is blocked or reduced, and accounts for nearly 90% of all strokes, according to statistics from the American Stroke Association.

Mar 8, 2024

Experiment Restores Cell And Organ Functions to Dead Pigs, Hours After They Died

Posted by in category: biotech/medical

Blood in animals provides oxygen and nutrients to the organs and cells of the body. However, if blood supply is interrupted, these cells soon perish and organs are damaged.

Mar 8, 2024

Unveiling the Binding Mechanisms of Cancer-Promoting Proteins

Posted by in categories: biotech/medical, evolution

The Melanoma Antigen Gene (MAGE) family consists of more than 40 proteins in humans, most of which are only present in the testes under healthy conditions. However, in many cancers, these proteins are found in high levels in tissues where they are not usually expressed and are believed to play a role in promoting cancer progression. Researchers from the Bhogaraju group at the European Molecular Biology Laboratory (EMBL) Grenoble have gained new insights into how these proteins bind their targets. The findings could potentially aid in the development of drugs against chemotherapy-or radiotherapy-resistant cancers.

The findings are published in The EMBO Journal, in an article titled, “Structural basis for RAD18 regulation by MAGEA4 and its implications for RING ubiquitin ligase binding by MAGE family proteins.”

“MAGEA4 is a cancer-testis antigen primarily expressed in the testes but aberrantly overexpressed in several cancers,” the researchers wrote. “MAGEA4 interacts with the RING ubiquitin ligase RAD18 and activates translesion DNA synthesis (TLS), potentially favoring tumor evolution. Here, we employed NMR and AlphaFold2 (AF) to elucidate the interaction mode between RAD18 and MAGEA4, and reveal that the RAD6-binding domain (R6BD) of RAD18 occupies a groove in the C-terminal winged-helix subdomain of MAGEA4.”

Mar 8, 2024

In fight against brain pathogens, the eyes have it

Posted by in categories: biotech/medical, neuroscience

The eyes have been called the window to the brain. It turns out they also serve as an immunological barrier that protects the organ from pathogens and even tumors, Yale researchers have found.

In a new study, researchers showed that vaccines injected into the eyes of mice can help disable the herpes virus, a major cause of brain encephalitis. To their surprise, the vaccine activates an immune response through lymphatic vessels along the optic nerve.

Mar 8, 2024

Virus hijacking insect sperm causes brutal sterility, find scientists

Posted by in category: biotech/medical

A brutal twist in the insect world: Researchers discovered a virus that causes sterility in male insects by commandeering their sperm. A striking testament to the intricate and often harsh mechanisms of nature.


Penn State researchers unveil the tale of Wolbachia and its viral accomplice manipulating insect reproduction.

Mar 8, 2024

Dr. Calvin Roberts, M.D. — Program Manager, Transplantation of Human Eye Allografts (THEA), ARPA-H

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

Transplanting Whole Human Eyes To Restore Vision In Patients Who Are Blind Or Visually Impaired — Dr. Calvin Roberts, MD — Program Manager, Transplantation of Human Eye Allografts (THEA), Advanced Research Projects Agency for Health (ARPA-H)


Dr. Calvin Roberts, M.D. is Program Manager at the Advanced Research Projects Agency for Health (ARPA-H) where manages for the Transplantation of Human Eye Allografts (THEA — https://arpa-h.gov/research-and-fundi…) program, which aims to transplant whole human eyes to restore vision in patients who are blind or visually impaired by reconnecting the nerves, muscles and blood vessels of whole donor eyes to the brain.

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Mar 8, 2024

Denosumab Protective Against Diabetes?

Posted by in category: biotech/medical

— Study found lower diabetes incidence with drug for patients who stayed on treatment.

Mar 8, 2024

Brain Communicates in Analog and Digital Modes Simultaneously

Posted by in categories: biotech/medical, neuroscience

New Haven, Conn. — Contrary to popular belief, brain cells use a mix of analog and digital coding at the same time to communicate efficiently, according to a study by Yale School of Medicine researchers published this week in Nature.

This finding partially overturns a longstanding belief that each of the brain’s 100 billion neurons communicate strictly by a digital code. Analog systems represent signals continuously, while digital systems represent signals in the timing of pulses. Traditionally, many human-designed circuits operate exclusively in analog or in digital modes.

“This study reveals that the brain is very sophisticated in its operation, using a code that is more efficient than previously appreciated,” said David McCormick, professor in the Department of Neurobiology and senior author of the study. “This has widespread implications, not only for our basic understanding of how the brain operates, but also in our understanding of neuronal dysfunction.”

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