Genetics

Scientists map genes controlling immune system 'brakes'

Unlike most T cells, which launch immune responses against foreign molecules, regulatory T cells are the peacekeepers of the human immune system, damping down inflammatory reactions when they're not needed. Now, researchers ...

Medical research

Aging immune system may explain age-related cancer risk increase

Study published in Proceedings of the National Academy of Sciences suggests aging immune system plays a larger role in cancer incidence than previously thought. Findings may explain higher likelihood of men developing cancer ...

Surgery

Recurrence of thymic tumors caused by heat-shock proteins

In most cases, tumors of the thymus gland are removed by surgical resection. However, they recur after a few years in up to one third of patients. A research team headed up by thoracic surgeon Bernhard Moser of the Thoracic ...

Medical research

Origin of unusual glands in the body discovered

The thymus gland is a critical component of the human immune system that is responsible for the development of T-lymphocytes, or T-cells, which help organize and lead the body's fighting forces against harmful organisms like ...