Medical Xpress news

Medical Xpress / Host genetics and sex can steer flu toward greater virulence, mouse experiments reveal

During the early stages of a pandemic, viruses tend to evolve in ways that enhance their ability to reproduce and spread, rather than to evade the host's immune system. The genetics and sex of the host influence how a novel ...

29 minutes ago
Medical Xpress / T cells secrete DNA to boost the immune system's cancer-fighting ability

Activated immune cells secrete tiny capsules bearing DNA that can enter other immune and tumor cells to stimulate the body's defense systems, according to a study led by investigators at Weill Cornell Medicine. The discovery ...

9 minutes ago
Medical Xpress / Novel theranostic approach for radioimmunotherapy achieves curative responses in colorectal cancer tumors

A new pretargeted radioimmunotherapy (PRIT) technique has been shown to be safe and effective in eradicating tumors from a preclinical colorectal cancer model. The multi-step theranostic approach delivers alpha-emitting radiation ...

59 minutes ago
Medical Xpress / New AI-powered robotic system performs heart ultrasounds without guidance

A Concordia-led team of researchers has developed a new AI-driven robotic system that can perform cardiac ultrasound scans autonomously. The researchers say this approach could expand access to cardiac imaging in remote or ...

49 minutes ago
Medical Xpress / Restoring protein recycling helps exhausted T cells fight tumors again

T cells are crucial components of our immune system, serving as critical protectors against infection and disease. But there are limits to their defensive capabilities. T cells are not inexhaustible protectors. Often, when ...

1 hour ago
Medical Xpress / Severe narcolepsy found to damage a second brain region

For nearly 25 years, scientists believed they knew what caused the most severe form of narcolepsy. A new UCLA Health study now suggests they were only half correct. In a study published in Nature Communications, UCLA Health ...

1 hour ago
Medical Xpress / No live animal testing needed: Lab-grown airway organoids reveal viral infection in wildlife species

Experimental infections, where a pathogen is introduced into the host body to see its effects in action, are considered the gold standard for assessing how vulnerable a host is, offering clear insights into how a pathogen ...

3 hours ago
Medical Xpress / Treatment of rare childhood epilepsy could begin before birth

Research has shown early diagnosis and treatment of epilepsy disorders can improve outcomes. The question of when to administer treatment so it gets ahead of the disease, however, has remained stubbornly elusive. A new Northwestern ...

2 hours ago
Medical Xpress / A single swab paves the way for simplified tuberculosis diagnosis

Led by researchers from Heidelberg Faculty of Medicine at Heidelberg University and the University of California, San Francisco (U.S.), an international team has evaluated a novel approach for the diagnosis of tuberculosis. ...

1 hour ago
Medical Xpress / Intranasal breast milk therapy clears first safety test in brain-injured newborns

Between December 2024 and February 2025, 10 newborns with hypoxic-ischemic brain injury were treated with breast milk administered through the nasal passages using a special method at Semmelweis University in Budapest. A ...

1 hour ago
Medical Xpress / AI surpasses physicians on clinical reasoning tasks, raising the bar for more serious testing

In one of the largest studies to compare artificial intelligence and physicians on a wide array of clinical reasoning tasks including real emergency department data, a team of physicians and computer scientists at Harvard ...

4 hours ago
Medical Xpress / AI-assisted approach identifies IRS4 as a promising drug target in multiple solid tumors

Leveraging AI capabilities combined with genetic data led St. Jude Children's Research Hospital investigators to predict new cancer drug targets that carry a limited risk of side effects. For their study, published in Science ...

2 hours ago