Medical Xpress news

Medical Xpress / Active ingredient of Viagra can help treat rare genetic disease

Sildenafil—an active ingredient also marketed under the name of Viagra—improves symptoms in patients with Leigh syndrome. This has now been reported in the journal Cell by researchers at Charité—Universitätsmedizin ...

3 hours ago
Medical Xpress / Open 3D Human Organ Atlas lets users explore anatomy in unprecedented detail

An international team of scientists and clinicians has announced the launch of a new open-access 3D portal that allows users to explore intact human organs in unprecedented detail—from the whole organ down to individual ...

4 hours ago
Medical Xpress / A workout playlist for your heart? Why musical structure could guide rehab

New findings on how the human heart adapts to expressive music features, like loudness or tempo, could lay the foundations for targeted music-based "exercises" to support heart health. Led by King's College London, the study ...

1 hour ago
Medical Xpress / Previously hidden immune circuit in the uterus sheds light on preeclampsia and early pregnancy failure

Early pregnancy depends on a remarkable act of coordination. Before the placenta can nourish a growing fetus, the embryo must securely "land" and connect with the mother's blood supply—a process guided by a specialized ...

4 hours ago
Medical Xpress / New cancer therapies target epigenetic switch

Cancers emerge from many different paths. One path begins early, in embryonic development, when a protein complex called PRC2, which regulates cell differentiation, identity, and plasticity, becomes dysfunctional. PRC2 has ...

3 hours ago
Medical Xpress / Dengue vaccine remains 80.5% effective against severe cases after five years

In a phase 3 clinical trial, the tetravalent dengue vaccine, developed by the Butantan Institute in São Paulo, Brazil, was 80.5% effective against severe dengue cases with warning signs over a five-year period. The results ...

1 hour ago
Medical Xpress / Orchestrated multi-agent AI systems outperform single agents in health care

As artificial intelligence (AI) becomes more common in health care, from managing records to assisting with medication decisions, researchers at the Icahn School of Medicine at Mount Sinai are asking an important question: ...

5 hours ago
Medical Xpress / Enhancing gut-brain communication reverses cognitive decline and improves memory formation in aging mice

Although we've all experienced the sensation of "eating" with our eyes and noses before food meets mouth, much less is known about the information superhighway, known as the vagus nerve, that sends signals in the opposite ...

6 hours ago
Medical Xpress / Distinct tumor 'neighborhoods' could guide more targeted treatments in aggressive childhood brain cancer

New research published in Nature finds that tumor cells within supratentorial ependymomas (SE)—an aggressive childhood brain cancer—cluster into distinct tumor cell populations. Much like a neighborhood, each cell subtype ...

6 hours ago
Medical Xpress / Mothers' exposure to microbes protects their newborn babies against infection

A multi-center study led by researchers at Cincinnati Children's sheds new light on why some newborns become severely ill from Escherichia coli infection, but others do not. It turns out that most babies are immune because ...

6 hours ago
Medical Xpress / How one flu virus can hamper the immune response to another

Prior exposure to one strain of influenza virus may weaken children's ability to mount an effective antibody response against their subsequent exposure to a different flu strain, according to a study led by Weill Cornell ...

6 hours ago
Medical Xpress / Q&A: What factors influence likelihood and severity of Ebola outbreaks?

Since its first documentation in 1976, there have been more than three dozen outbreaks of Ebola virus disease in Central and West Africa, the largest of which resulted in the deaths of more than 11,000 people between 2013 ...

4 hours ago