Medical Xpress news

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, ...

21 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 ...

19 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, ...

21 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 ...

20 hours ago
Medical Xpress / Low dose atropine eye drops safe and effective for short-sightedness in children, clinical trial suggests

Low-concentration atropine eye drops are a safe and effective treatment for short-sightedness (myopia) in UK children, although the effects are small, suggests a clinical trial published by The BMJ.

14 hours ago
Medical Xpress / How body clock may shape inflammation, cancer risk and timing of future treatments

Daily life is shaped by the solar day, influencing when we wake up, eat, work and sleep. Inside the body, a similar internal timing system—present in nearly every cell—known as the circadian clock synchronizes many biological ...

14 hours ago
Medical Xpress / First large-scale atlas of senescent cells could help inform future therapies for age-related diseases

A research consortium has established a new framework to identify and catalog senescent cells—cells that stop dividing but remain active in the body. Because senescent cells accumulate with age and are thought to contribute ...

14 hours ago
Medical Xpress / Chile's food warning labels and ad bans cut child obesity risk, analysis suggests

Chile's complementary set of policies targeting food products high in fat, salt and sugar plausibly reduces the risk of school-age children being overweight or having obesity, finds a study published in The Lancet.

14 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 ...

18 hours ago
Medical Xpress / Personalized blood pressure control after thrombectomy boosts 90-day stroke recovery

Blood pressure management after thrombectomy for acute ischemic stroke may require a change in approach. The HOPE clinical trial—short for Hemodynamic Optimization of Cerebral Perfusion after Endovascular Therapy—led by the ...

16 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 ...

17 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 ...

16 hours ago