Medical Xpress news

Medical Xpress / Stem cell scientists engineer 'synthetic organizer' cells to improve kidney organoids

In a study published in Science, USC researchers paired a biological discovery with an engineering feat to create more faithful, reproducible lab-grown kidney structures from stem cells, known as organoids.

11 hours ago
Medical Xpress / Parkinson's patients undergoing deep brain stimulation show little to no cortical Lewy pathology

Researchers at the Icahn School of Medicine at Mount Sinai have found that patients with Parkinson's disease undergoing deep brain stimulation (DBS) show little to no Lewy pathology in the prefrontal cortex at the time of ...

13 hours ago
Medical Xpress / COVID's lingering shadow faded after omicron—but not for everyone

Six years after the world first learned of COVID-19, the pandemic has faded into an unpleasant memory for many. For others, however, it never fully ended. A long-term study by Hiroshima University has found that while lingering ...

14 hours ago
Medical Xpress / Dementia-causing substance turns into a therapeutic 'switch' with new Alzheimer's drug strategy

A substance that worsens dementia has become a "switch" that initiates treatment. KAIST researchers have developed a new therapeutic approach that uses hydrogen peroxide (H₂O₂), a reactive oxygen species that damages cells ...

14 hours ago
Medical Xpress / Virus influences rare brain lymphomas, large study finds

Primary CNS lymphoma is a rare cancer that arises from malignant white blood cells. Affected individuals develop tumors in the brain and, more rarely, in the spinal cord, the eyes or within the cerebrospinal fluid. These ...

7 hours ago
Medical Xpress / Tumors hijack macrophages after they clear dead cells, real-time tracking reveals

Researchers at Tel Aviv University's Gray Faculty of Medical and Health Sciences have uncovered how a natural and essential immune system process can be hijacked to promote cancer progression. In a new study, the research ...

13 hours ago
Medical Xpress / Psychological stress alters gut microbes and ages blood stem cells, mouse study suggests

Psychological stress is increasingly recognized as a risk factor for certain health conditions, including cardiovascular disease and diabetes, especially when paired with an impaired immune response. In a study in Cell Stem ...

14 hours ago
Medical Xpress / Ultra-small magnetoelectric antenna could unlock new generation of implantable devices

A breakthrough in biomedical engineering could help pave the way for tiny implantable devices capable of diagnosing, monitoring and treating a wide range of health conditions. An international team of researchers led by the ...

15 hours ago
Medical Xpress / New drug unlocks elusive immune receptor, opening path toward motor neuron disease treatments

University of Queensland researchers have developed a drug that activates a hard-to-target immune receptor—a breakthrough that could lead to new treatments for neurodegenerative conditions like motor neuron disease (MND).

8 hours ago
Medical Xpress / Cancer also knows how to wait: Study uncovers the hidden step between mutation and tumor biomass appearance

The development of cancer is not a process triggered immediately by the emergence of an oncogenic mutation. There is growing evidence for the existence of an intermediate phase—hitherto poorly defined—in which mutated cells ...

16 hours ago
Medical Xpress / Hybrid work improves the work experience—particularly for women

The transition to hybrid work has improved the psychosocial work environment among white-collar employees, according to new research from Umeå University. Positive effects include more accessible leadership, greater autonomy ...

9 hours ago
Medical Xpress / Two prostate cancer mutations reveal opposite responses to ferroptosis therapy

A new study by researchers at The University of Texas MD Anderson Cancer Center has identified genetic factors that determine whether prostate cancers are susceptible to a type of cell death known as ferroptosis. These findings, ...

10 hours ago