Medical Xpress news

Medical Xpress / New immune mechanism helps explain why ovarian cancer stops responding to chemotherapy

Scientists at The Wistar Institute have identified a new mechanism behind the chemotherapy resistance that makes ovarian cancer so lethal. In a new study published in The Journal for ImmunoTherapy of Cancer, the researchers ...

Jul 23, 2026
Medical Xpress / Two new therapies and rapid tests could reshape drug-resistant gonorrhea care

Drug-resistant Neisseria gonorrhoeae (the bacterium that causes gonorrhea) has become one of the most urgent antimicrobial-resistant threats to public health worldwide. Clinicians expect to be confronted by rising rates of ...

Jul 23, 2026
Medical Xpress / How systemic immune regulation is 'hijacked' during tumor progression

The immune system plays a critical role in protecting the body from cancer by recognizing and eliminating abnormal cells before they can develop into tumors. This process relies on T cells that can recognize tumor-derived ...

Jul 23, 2026
Medical Xpress / Parents' socioeconomic status is more important than prenatal behaviors to a future child's health, study suggests

Family socioeconomic position may be a more important determinant of children's health than parental behaviors such as smoking, drinking or caffeine consumption, according to a study published in PLOS Medicine by Gemma Sharp ...

Jul 23, 2026
Medical Xpress / Mass-producible immune cells kill patient-derived colorectal tumors in mice

Off-the-shelf and mass-producible immune cells fight solid human tumors engrafted in mice. The Kobe University development is a significant contribution toward faster, cheaper cancer immunotherapy.

Jul 23, 2026
Medical Xpress / Study reveals how networks of switches in DNA, which regulate gene expression, drive cancer growth

Enhancers are pieces of DNA that act like switches, regulating when genes are turned on and off and how strongly they are activated. Scientists know these switches play a critical role in cancer and other diseases, but they ...

Jul 23, 2026
Medical Xpress / Imaging platform captures electrical activity from nearly 200 neurons deep in living brain tissue

The brain is a vast, densely interconnected network of neurons computing in parallel. Watching these computations unfold in real time could reveal how the brain processes sensation and guides behavior. But the electrical ...

Jul 23, 2026
Medical Xpress / Newly identified molecule could help regulate sleep

Sleep is known to be essential for survival, as it allows both humans and other animals to rest, while the brain consolidates memories and clears out metabolic waste products. For many people worldwide, however, falling asleep ...

Jul 22, 2026
Medical Xpress / Soft outlet placed beneath the skin could help recharge implanted devices

Implanted medical devices are instruments placed surgically in the body. Many are battery-powered or can be wirelessly recharged. While they can be lifesavers, they are not without problems. They can run out of battery power, ...

Jul 22, 2026
Medical Xpress / Can AI chatbots make mental health worse? Study identifies five risky patterns

The use of generative AI has become so widespread that ChatGPT is gradually becoming a verb, much like Google and Photoshop. Hundreds of millions of people now use large language model (LLM)-based chatbots for advice on personal, ...

Jul 22, 2026
Medical Xpress / A single RSV shot emerges as a promising new shield for infants at risk of severe disease

Viral infections that attack the lungs are among the leading reasons infants are hospitalized. A new treatment may offer protection against these infections that is as effective and safe as existing options but requires far ...

Jul 22, 2026
Medical Xpress / Exceptional memory in 80s defies simple Alzheimer's genetic risk explanation

Many people assume that some memory decline is an inevitable consequence of getting older. But a select group of older adults, known as "SuperAgers," reach their 80s and 90s while retaining memory performance as good as or ...

Jul 22, 2026