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New research from UT Southwestern suggests that RNA exosomes– the cellular machines that degrade old molecules of RNA – play a key role in the development of B cells, which are critical to the immune system’s ability to protect against infection.

Scientists at UT Southwestern have discovered a molecular switch to restore the regenerative ability of adult heart cells.

Researchers have discovered that a molecule – estrogen-related receptor gamma, or ESRRG – becomes hyperactive and promotes tumor cell survival in retinoblastoma.

Patients with rheumatoid arthritis, lupus, and other rheumatic conditions are more at risk for complications and death from pneumonia, meningitis, and other bacterial infections, yet most have not been vaccinated against infection.

The Pfizer-BioNTech COVID-19 vaccine limits transmission, hospitalization, and death from COVID-19 even among patients infected by variants of the virus, but the effectiveness of antibodies it generates diminishes as patients get older, according to a study by UT Southwestern researchers.

The number of surgeries performed on Black, Latino, and Asian children is significantly lower than among white children in the United States, a UT Southwestern study has found. These differences may reflect inequities in access to surgical care.

UT Southwestern Medical Center biologists have innovated a new stem cell-based embryo model for studying early human development, tissue formation, and differentiation, offering valuable contributions to the field of developmental biology and regenerative medicine.

As a child in Beirut, Ahmad Anouti, M.D., endured dozens of medical procedures, hundreds of medications, and numerous setbacks before a liver transplant at age 16 saved his life.

Editing a gene that prompts a cascade of damage after a heart attack appeared to reverse this inevitable course in mice, leaving their hearts remarkably unharmed, a new study by UT Southwestern scientists showed.

Patients considering LASIK vision correction surgery should consider the risks as well as benefits and see a doctor who can assess whether they are a good candidate for the procedure, according to an ophthalmologist at UT Southwestern Medical Center.