Medical Xpress news

Medical Xpress / Cancer drug combo activates inflammatory signal that could boost immune response

What if a new combination of cancer drugs could sound an alarm, alerting the body's immune system to invoke a targeted response to cancer cells? Findings from a new study appear in a paper published in Nucleic Acids Research.

5 hours ago
Medical Xpress / HERC2 gene's key role in rare neurodevelopmental syndrome deciphered

For years, it has been known that mutations in both copies of the HERC2 gene are associated with a neurodevelopmental disorder characterized by global developmental delay, intellectual disability, features of the autism spectrum ...

3 hours ago
Medical Xpress / Mesothelioma cases and deaths keep rising in US despite decades of asbestos regulation

Mesothelioma deaths and diagnoses continue to rise in the United States despite decades of asbestos regulation and reduced industrial use, according to a new national analysis from Sylvester Comprehensive Cancer Center, part ...

2 hours ago
Medical Xpress / Sleepy mice forget who they have met, but an asthma drug brings it all back

Anyone who has had a bad night knows that they can feel "foggy" the next day. This fogginess may extend to our memory: remembering where we went, who we met or what happened during the encounter. Neuroscientist Robbert Havekes ...

6 hours ago
Medical Xpress / Chlamydia vaccine push gets blueprint as key membrane protein structure emerges

Scientists at UT Southwestern Medical Center, working with other U.S. researchers, have uncovered the structure of a key cell membrane protein in a bacterial model for Chlamydia trachomatis, the cause of the world's most ...

5 hours ago
Medical Xpress / Supercharged natural killer cells suppress solid tumors in mice

Scientists have made great progress in harnessing the body's own immune cells to treat so-called liquid tumors, cancers of the blood and lymphatic system. Yet these powerful cell therapies have been no match for solid tumors, ...

7 hours ago
Medical Xpress / AI chatbots mimic fear, sadness and stress, then calm down after mindfulness exercise

Large language models (LLMs) can replicate human emotions like fear, sadness and anxiety, and be "calmed down" by a breathing exercise, suggests a study published in The Lancet Digital Health. This means LLMs could potentially ...

6 hours ago
Medical Xpress / Nuts hold key minerals, but digestion unlocks only part of them

The presence of minerals in oilseeds, such as Brazil nuts (Bertholletia excelsa) and cashews (Anacardium occidentale), does not guarantee that the body will use them. A study conducted at the Diadema campus of the Federal ...

4 hours ago
Medical Xpress / Moment-to-moment memory access may depend on histamine neuron swings

The same memory can feel vivid and accessible one moment, yet stubbornly out of reach the next—even when the memory itself remains intact. A research team led by Professor Hiroshi Nomura at the Institute of Brain Science, ...

7 hours ago
Medical Xpress / Biological pacemaker dogma challenged as TBX18 fails and Hcn2 delivers

Researchers from Amsterdam UMC have overturned a key assumption in the biological pacemaker field. In a new preclinical study, they show that the transcription factor TBX18 does not generate true biological pacemaker activity, ...

6 hours ago
Medical Xpress / Genetic map for cocaine addiction points beyond brain to liver

Researchers at the University of California San Diego have completed a massive genetic study that identifies key biological drivers of cocaine addiction, uncovering a potential new target for treatment that resides in the ...

13 hours ago
Medical Xpress / Lower dopamine may drive teen risk-taking that fades with age

Teenage risk-taking, such as experimentation with alcohol, cannabis, nicotine and other substances, may reflect a compensatory response to lower baseline dopamine, the brain chemical for reward activity, a new University ...

13 hours ago