Medical Xpress news

Medical Xpress / Hunger and hormones together drive aggression toward pups in female mice

Researchers at the Francis Crick Institute have found that hunger can make virgin female mice aggressive towards pups, but only in certain hormonal states. These mice would usually ignore other females' pups or show parent-like ...

Oct 22, 2025 in Medical research
Medical Xpress / Existing drugs for tissue scarring could help avert melanoma relapses

Cellular changes that appear during melanoma and lead to treatment resistance can be reversed with drugs—potentially opening the door to new or more effective treatments for the deadly disease, according to new Cornell ...

Oct 22, 2025 in Oncology & Cancer
Medical Xpress / Dangerous E. coli strain blocks gut's defense mechanism against spreading infection

When harmful bacteria that cause food poisoning, such as E. coli, invade through the digestive tract, gut cells usually fight back by pushing infected cells out of the body to stop the infection from spreading.

Medical Xpress / Rethinking how bone marrow works with a unified framework

One huge reason why the world of medicine hasn't yet found "the cure" for hard-to-treat malignancies like acute myeloid leukemia (AML) and many other forms of cancer is that the world of science is still striving to fully ...

Oct 22, 2025 in Immunology
Medical Xpress / Research team reveals complex biology behind severe muscle wasting in cancer

A University of Alberta research team is shedding much-needed light on cancer cachexia, a severe muscle-wasting syndrome linked to up to a third of cancer deaths.

Oct 22, 2025 in Oncology & Cancer
Medical Xpress / Algorithm maps genetic connection between Alzheimer's and specific neurons

The number of people living with dementia worldwide was estimated at 57 million in 2021 with nearly 10 million new cases recorded each year. In the U.S., dementia impacts more than 6 million lives, and the number of new cases ...

Oct 22, 2025 in Genetics
Medical Xpress / Higher levels of HIF2α found to slow down aggressive childhood cancer

Neuroblastoma is a type of cancer that affects the sympathetic nervous system in young children and is often difficult to treat, especially when the tumor cells carry multiple copies of the MYCN gene.

Oct 22, 2025 in Oncology & Cancer
Medical Xpress / Overabundance of HMGN1 protein may explain congenital heart defects in Down syndrome

Three copies of chromosome 21 cause Down syndrome (DS), and roughly half of children born each year in the United States with DS—approximately 2,600—also have congenital heart defects (CHDs).

Oct 22, 2025 in Genetics
Medical Xpress / Gum disease associated with changes in the brain, increased stroke risk

Adults with gum disease may be more likely to have signs of damage to the brain's white matter, called white matter hyperintensities, than people without gum disease, according to a study published in Neurology Open Access.

Oct 22, 2025 in Neuroscience
Medical Xpress / Two-drug combination could improve colorectal cancer therapy

Colorectal cancer is one of the most common tumors among people over the age of 50. Although it is known to develop from small lesions or polyps, its exact causes are unknown—only a few risk factors are known—and it is ...

Oct 22, 2025 in Oncology & Cancer
Medical Xpress / Report provides global picture of wide inequalities in care for women's cancers

One in five women with breast or cervical cancer in low- and middle-income countries (LMICs) are diagnosed at an early stage, compared with more than one in three in high-income countries (HICs), new research suggests. For ...

Oct 22, 2025 in Oncology & Cancer
Medical Xpress / New wearable patch offers noninvasive, battery-free skin cancer screening

Researchers at Wake Forest University School of Medicine have developed a battery-free wearable patch that could help detect skin cancer earlier and more accurately, potentially saving lives by making screening more accessible ...

Oct 22, 2025 in Oncology & Cancer