Molecules produced by resident bacteria and their hosts may signal immune cells to attack the body’s own tissues.

Antigens originating from the microbiome may trigger an autoimmune response.

Clinical analyses of patients’ gene sequences are helping to provide answers where none were available before.

Tools for studying how cancer spreads

Macrophages play numerous roles within tumors, leaving cancer researchers with a choice: eliminate the cells or recruit them.

The immune cells play various roles in the tumor—some that assist cancer's spread, and others that hinder it.

To treat neurological disease, researchers develop techniques to bypass or trick the guardian of the central nervous system.

The blood-brain barrier is a collection of specialized cells and proteins that control the movement of molecules from the blood to the central nervous system.

Techniques for comparing the relative abundances of glycans and glycoproteins in clinical samples

Researchers use modified messenger RNA to produce a vaccine that protected mice and nonhuman primates from infection.

A family of broadly neutralizing antibodies from a chronically infected donor provides a schematic for designing vaccines and treatments that target multiple strains of the virus.

Researchers find diverse ways that the molecules can regulate cancer’s spread.