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Mitochondria that power cellular activity fragment and change shape in breast cancer cells that migrate to the brain, an adaptation that appears necessary for the cells to survive, UT Southwestern Medical Center researchers report in a new study. The findings, published in Nature Cancer, could lead to new ways to prevent brain metastases, or the spread of cells from primary tumors to the brain.

Researchers at UT Southwestern Medical Center have discovered how healthy bacteria can escape the intestine, travel to lymph nodes and cancerous tumors elsewhere in the body, and boost the effectiveness of certain immunotherapy drugs.

Todd Aguilera, M.D., Ph.D., Assistant Professor of Radiation Oncology and member of the Experimental Therapeutics Program in the Harold C. Simmons Comprehensive Cancer Center at UT Southwestern Medical Center, has been named one of 11 inaugural Cancer Moonshot Scholars. The national program recognizes a cohort of early-career investigators from underrepresented groups who have been identified as emerging leaders in cancer research and innovation.

While rheumatic diseases typically affect the joints, muscles, or ligaments, the first signs of a problem may appear on the skin. A UT Southwestern physician who specializes in rheumatology says it’s essential to know what to look for.

If you’re feeling tired this coming week, don’t be surprised. Moving our clocks ahead one hour to shift into daylight saving time (which occurs at 2 a.m. Sunday) disrupts the body’s biological clock, affecting sleep patterns and how we function, according to a UT Southwestern Medical Center neuroscientist who researches circadian rhythms.

Whether it’s after a natural disaster, a fatal shooting, or a tragedy closer to home, parents may find themselves trying to navigate difficult conversations with their children. What to say is just as important as what not to say, according to experts at UT Southwestern Medical Center. Children are naturally curious and may have questions, or they may be worried about their own safety.

High-Resolution Pharyngeal Manometry: A New Tool for Dysphagia Assessment, Biofeedback, and Progress Monitoring Melanie Turner Tice, M.S., CCC-SLP April 16, 2026 When modified barium swallow studies and fiber-optic endoscopic evaluations of swallowing are unrevealing, high-resolution pharyngeal manom…

Automated external defibrillators (AEDs) are underutilized during cardiac arrest episodes despite laws in some states requiring their availability in high-risk areas such as athletic facilities, researchers at UT Southwestern Medical Center found. The devices can save lives by shocking the heart back into normal rhythm.

The risk of dying while waiting for a liver transplant or having a transplant fail for patients with alcohol-associated liver diseases is higher among racial and ethnic minorities, according to UT Southwestern Medical Center researchers.

UT Southwestern Medical Center researchers have identified an experimental molecular compound that significantly improved survival among cellular models and mouse models of amyotrophic lateral sclerosis (ALS), the fatal neurodegenerative disease.