Medical Xpress news

Medical Xpress / Severe COVID-19 reactivates dormant viruses, study finds

Chronically infecting viruses—such as Epstein-Barr virus, cytomegalovirus (CMV) and herpesviruses—are common and often innocuous and asymptomatic. However, emerging evidence suggests their reactivation may contribute to autoimmune ...

17 hours ago
Medical Xpress / Cancer Dependency Map now includes next-generation 3D cancer models

For nearly a decade, the Cancer Dependency Map, or DepMap, at the Broad Institute has helped scientists uncover new cancer dependencies—the genetic changes some cancers need to thrive that can potentially be targeted by new ...

14 hours ago
Medical Xpress / New model maps where HIV is concentrated and the disease is more advanced

A new biostatistical modeling approach has the potential to support health decisions by pinpointing where HIV is concentrated and where people living with HIV are showing signs of severe immune suppression or delayed treatment. ...

16 hours ago
Medical Xpress / Common neuroscience sensors sometimes get their signals crossed

Cells in the brain communicate in different ways. The classical mode involves tight connections between individual cells that signal only to each other. But over the last decade, new tools have allowed scientists to focus ...

15 hours ago
Medical Xpress / Study uses living human brain tissue to map how electric stimulation affects neurons and genetic activity

Neurons that once encoded a person's memories are now helping researchers identify genetic targets that may one day help preserve memory and slow cognitive decline in others.

17 hours ago
Medical Xpress / How home gardens can reduce risk of type 2 diabetes

People with home gardens are less likely to develop type 2 diabetes, a University of Queensland study has found, planting fresh evidence that gardens and green spaces should be a priority in urban planning.

9 hours ago
Medical Xpress / International project delivers hundreds of next-generation models for cancer research

Ten years and thousands of patient samples later, the National Cancer Institute (NCI) has published its results from the Human Cancer Model Initiative (HCMI) on the development of 665 organoid models of 25 types of cancer ...

17 hours ago
Medical Xpress / Pretrained AI could help clinics analyze brain MRIs with few labeled scans

When it comes to medical imaging, a chatbot doesn't know its backside from its elbow. Or, at least, it can't tell a spine from a knee. But if a Boston University research team is successful, a smarter AI system for evaluating ...

18 hours ago
Medical Xpress / Immune cell dysfunction, not absence, defines skin cancer in immunosuppressed patients

Researchers at The University of Texas MD Anderson Cancer Center have discovered that immunosuppressed patients with non-melanoma skin cancer are not missing the key cancer-fighting immune cells found in immunocompetent patients, ...

11 hours ago
Medical Xpress / GLP-1 drug linked to heart benefits for high-risk patients

Adding the GLP-1 receptor agonist drug tirzepatide (marketed as Mounjaro) to standard care for patients with type 2 diabetes and heart disease is associated with a lower risk of a major cardiovascular event, such as a heart ...

10 hours ago
Medical Xpress / Containment costs reveal when pandemic measures should shift from none to intensive

In the event of a pandemic, every society is confronted with the question: How can the spread of an infectious disease be effectively contained without restricting daily life more than necessary? Measures such as mandatory ...

10 hours ago
Medical Xpress / Dementia after age 90: Study clarifies who may be at higher risk

It may seem natural to assume that people experience cognitive decline after age 90, but until recently, researchers had limited evidence about how advanced age affects the brain. This major knowledge gap will need to be ...

12 hours ago