БЛОГ

Archive for the ‘biotech/medical’ category: Page 38

Nov 23, 2024

Researchers identify brain regions where word meaning is retrieved

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

A new study by researchers at the Medical College of Wisconsin (MCW) reveals the areas of the brain where the meanings of words are retrieved from memory and processed during language comprehension. Previous neuroimaging studies had indicated that large portions of the temporal, parietal, and frontal lobes participate in processing language meaning, but it was unknown which regions encoded information about individual word meanings.

“We found that word meaning was represented in several high-level (i.e., areas that are not closely connected to primary sensory or motor areas), including the classical ‘language areas’ known as Broca’s area and Wernicke’s area,” said Dr. Leonardo Fernandino, assistant professor of neurology and biomedical engineering at MCW. “Interestingly, however, some regions not previously considered as important for language processing were among those containing the most information about word meaning.”

Additionally, they also investigated whether the neural representations of word meaning in each of these areas contained information about phenomenological experience (i.e., related to different kinds of perceptual, emotional, and action-related experiences), as several researchers had previously proposed, or whether they contained primarily information about conceptual categories (i.e., natural kinds) or about word co-occurrence statistics, as other researchers have theorized.

Nov 23, 2024

Neuroinflammation: An astrocyte perspective

Posted by in categories: biotech/medical, neuroscience

A 2023 Review in Science Translational Medicine looks at the complex connections between astrocytes and other types of cells in the nervous system, including neurons, oligodendrocytes, and microglia.

Nov 23, 2024

Biohybrid neural interfaces: an old idea enabling a completely new space of possibilities

Posted by in categories: biotech/medical, neuroscience

We work to restore quality of life to those with debilitating conditions for which there are no treatment options.

Nov 23, 2024

Advanced treatment for pancreatic cancer helping patients recover faster

Posted by in category: biotech/medical

Nov 23, 2024

Lorbrena Effective as Initial Treatment of ALK-Positive NSCLC

Posted by in categories: biotech/medical, genetics

The drug lorlatinib (Lorbrena) is superior to crizotinib (Xalkori) as an initial treatment for people with advanced non-small cell lung cancer (NSCLC) that has changes in the ALK gene, according to new results from a global clinical trial.

The findings are the latest from the CROWN study. Participants were randomly assigned to receive either lorlatinib or crizotinib as a treatment for advanced lung tumors with ALK gene mutations, a disease called ALK-positive lung cancer.

Several years ago, study investigators reported that participants who received lorlatinib went longer without the disease worsening, known as progression-free survival, than those who received crizotinib.

Nov 23, 2024

World’s first fully robotic double lung transplant performed at NYU

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

NYU Langone performs the world’s first fully robotic double lung transplant, marking a breakthrough in minimally invasive surgical care.

Nov 23, 2024

Neuroscientists identify a reversible biological mechanism behind drug-induced cognitive deficits

Posted by in categories: biotech/medical, neuroscience

Researchers found that methamphetamine and PCP cause a phenomenon known as neurotransmitter switching, impairing memory. This change is reversible, pointing to potential treatments for drug-induced cognitive deficits and related neuropsychiatric conditions.

Nov 23, 2024

Stem Cells Grown in Space Turn Out to Have a Surprise Advantage

Posted by in category: biotech/medical

Stem cells are special in the way they can keep on replicating, and turn themselves into many other types of cell. Now scientists have discovered how their superpowers get a remarkable boost when they’re grown in space.

The microgravity environment increases some of the regenerative capacities of stem cells even further, researchers from the Mayo Clinic in Florida have found, based on experiments carried out on the International Space Station (ISS).

As stem cells play such a crucial role in the body’s repair process, with their ability to quickly replicate and differentiate, these findings could help in the study of disease prevention and treatment.

Nov 23, 2024

Lykke Sylow at ARDD2024: Preserving muscle mass for healthy aging: Old tricks and new targets

Posted by in categories: biotech/medical, life extension

Lykke Sylow, University of Copenhagen, Denmark, presents at the 11th Aging Research and Drug Discovery meeting: Preserving muscle mass for healthy aging: Old tricks and new targets.

Nov 23, 2024

Improving cancer therapy using sonoenhancement with acoustic cluster therapy

Posted by in category: biotech/medical

Acoustic Cluster Therapy (ACT®)consists of clusters of gas-filled microbubbles and oil microdroplets.


During the last decade ACT® has been evaluated preclinically in various cancer models and combined with different drugs. It was first observed that ACT was able to increase the fluorescence from a tumor when sonoenhancement was combined with fluorescent macromolecules (Wamel 2016, Figure 1). Here it was found that already one minute after sonoenhancement, fluorescence had increased in the tumor compared to a non-treated control, followed by a fluorescence uptake that remained for several hours. Subsequently, ACT has been tested therapeutically in preclinical models of prostate cancer (Wamel 2016), pancreatic cancer (Kotopoulis 2016, Ng 2022), colon cancer (Bush 2019) and breast cancer (Bush 2020). The combination of ACT and drug was significantly better than the drug alone in all these studies, with quite large numbers of complete remissions. Combining ACT with the drug nab-paclitaxel for treatment of prostate cancer resulted in complete tumor remission in all tested animals. This shows that ACT provides sonoenhancement across very different cancer types and with different types of drugs, which increases the likelihood of seeing effects also in clinical trials as the tumor models collectively represents a variety of cancer biology.

Side effects and toxicity have also been tested in various small animal models during the last decade. During treatment, no bleeding or macroscopic damage was observed, and pathological evaluation has not identified microscopic damages. ACT was extensively tested for systemic toxicities, including studies in rats and dogs where ultrasound to the heart and liver was used to activate the ACT bubbles, and no significant adverse effects have been detected.

Continue reading “Improving cancer therapy using sonoenhancement with acoustic cluster therapy” »

Page 38 of 2,787First3536373839404142Last