Immune functions in the mouse intestine differ by segment.

A microneedle-containing skin patch offers researchers a noninvasive way to survey immune responses in mice.

A stick-on patch enables sampling of immune cells in the skin.

Mice exposed to heat wave temperatures ate less and showed weakened immune responses to the virus.

When a mouse’s brain undergoes traumatic injury, immune cells clear the dead from the affected area, after which blood cells swoop in to repair blood vessels.

In the presence of cytosolic DNA, cancer cells activate antiviral pathways that disguise them as immune cells.

Errors in segregation during cell division can lead to inflammation in daughter cells.

A new study reveals that a constant stream of ink-gobbling immune cells helps hold tattoos in place.

Signaling pathways triggered by the mother’s immune system may cause complications during fetal development.