Medical Xpress news

Medical Xpress / Routine first trimester ultrasounds lead to earlier detection of fetal anomalies, finds study

Scanning for serious structural issues in fetuses during the first trimester can result in earlier detection of these issues, reports a new study led by Aris Papageorghiou at the University of Oxford, United Kingdom, published ...

3 hours ago in Obstetrics & gynaecology
Medical Xpress / Metabolic roots of memory loss: Early obesity and low choline levels linked to brain inflammation risk

For decades, scientists have known that what harms the body often harms the brain. Conditions such as obesity, high blood pressure and insulin resistance strain the body's vascular and metabolic systems. Over time, that stress ...

5 hours ago in Neuroscience
Medical Xpress / Scientists identify five structural eras of the human brain over a lifetime

Neuroscientists at the University of Cambridge have identified five "major epochs" of brain structure over the course of a human life, as our brains rewire to support different ways of thinking while we grow, mature, and ...

12 hours ago in Neuroscience
Medical Xpress / Shapeshifting tumors unmasked: New insights into master regulators reveal therapeutic vulnerabilities

Some tumors are almost impossible to treat. That's especially true for carcinomas, which don't behave like other malignancies. Some of these tumors act as shapeshifters and start to resemble cells from other organs of the ...

11 hours ago in Oncology & Cancer
Medical Xpress / Calcium-sensitive switch boosts the efficacy of cancer drugs

Cancer-fighting antibody drugs are designed to penetrate tumor cells and release a lethal payload deep within, but too often they don't make it that far. A new study shows how this Trojan Horse strategy works better by exploiting ...

11 hours ago in Medications
Medical Xpress / How antibody therapy clears Alzheimer's plaques: Key immune mechanism identified

Lecanemab, sold under the name Leqembi, is a monoclonal antibody therapy for Alzheimer's disease that clears toxic amyloid plaques and delays cognitive decline. Researchers from VIB and KU Leuven have now demonstrated the ...

Medical Xpress / Prefrontal cortex reaches back into the brain to shape how other regions function, study reveals

Vision shapes behavior, and a new study by MIT neuroscientists finds behavior and internal states shape vision. The research, published in Neuron, finds in mice that, via specific circuits, the brain's executive control center, ...

6 hours ago in Neuroscience
Medical Xpress / Too sick to socialize: How the brain and immune system promote staying in bed

"I just can't make it tonight. You have fun without me." Across much of the animal kingdom, when infection strikes, social contact shuts down. A new study details how the immune and central nervous systems implement this ...

6 hours ago in Neuroscience
Medical Xpress / Methamphetamine impairs dopamine uptake by targeting a protein modification

Dopamine brings on a surge of pleasure, but too much dopamine in a synapse can ultimately lead to mood disorders and addiction. A recent preclinical study published in The FASEB Journal suggests that methamphetamine boosts ...

4 hours ago in Neuroscience
Medical Xpress / Cracking gastric cancer's metabolic code: Blocking cholesterol pathways slows tumor growth by 65% in mice

A research team from the LKS Faculty of Medicine at the University of Hong Kong (HKUMed) has made a breakthrough in gastric cancer research, revealing how the "second brain"—nerves in the digestive system, also known as ...

6 hours ago in Oncology & Cancer
Medical Xpress / A hospital-acquired bacterium can travel from lungs to gut, raising sepsis risk

A hospital-acquired bacterium that causes serious infections can move from the lungs to the gut inside the same patient, raising the risk of life-threatening sepsis, new research reveals.

Medical Xpress / 3D map sheds light on why tendons are prone to injury

Scientists at the University of Portsmouth have created the first detailed 3D map of how a crucial piece of connective tissue in our bodies responds to the stresses of movement and exercise. This tissue, called calcified ...