Science News for January 26, 2003

Newly identified gut protein kills bacteria

Researchers have discovered a novel protein, Ang4, produced by Paneth cells in the intestinal lining that can kill certain types of gut microbes. This finding suggests that Ang4 may play a crucial role in maintaining gut health and preventing infection.

SourceWashU Medicine·JournalNature Immunology·DateJan 26, 2003

Oxygen deprivation at or immediately after birth may place premature babies at risk for problems

A study found that premature babies with mild to moderate oxygen deprivation during or immediately after birth had significantly lower cognitive and language skills compared to those with no such risk. The researchers suggest that even minor risk of hypoxia may be associated with damage to the brain's periventricular white matter.

SourceAmerican Psychological Association·JournalNeuropsychology·DateJan 26, 2003