Medical research

DNA-altering enzyme is essential for blood cell development

The expression of specific genes is partially dictated by the way the DNA is packed into chromatin, a tightly packed combination of DNA and proteins known as histones. HDAC3 is a chromatin-modifying enzyme that regulates ...

Oncology & Cancer

Tumors disable immune cells by using up sugar

Cancer cells' appetite for sugar may have serious consequences for immune cell function, researchers at Washington University School of Medicine in St. Louis have learned.

HIV & AIDS

Scientists discover how HIV kills immune cells

Untreated HIV infection destroys a person's immune system by killing infection-fighting cells, but precisely when and how HIV wreaks this destruction has been a mystery until now. New research by scientists at the National ...

Health

Losing sleep? Scientists evaluate why

The issue of sleep deprivation has gone beyond the counting of sheep and into the scientific domain, as European researchers set up 'sleep labs' to study the biomedical and sociological factors keeping us awake at night.

page 27 from 40