Overactive immune cells identified in a mouse model and in postmortem human brain tissue may offer a potential therapeutic target for cognitive delays associated with the condition, researchers report.

When mice that had suffered a stroke were given blood from a healthy donor, they experienced less tissue and neurological damage.

Two studies show that Plasmodium—the genus of protozoans that cause malaria—have an internal sense of time that synchronizes with their host’s circadian rhythms and allows the parasites to collectively attack blood cells.

Two rodent models of glaucoma have defects in the waste drainage system.

Nimodipine, a drug used to treat brain hemorrhages, alleviates spasticity in mice after spinal cord injuries.

Researchers slowed disease progression in the mice by injecting two different viral vectors, each containing one part of the DNA encoding the Cas9 protein, to edit the causative gene.

A fluorescent image of murine hippocampal cells is the winning microscopy image from more than 400 submissions from 65 countries for Olympus’s 2019 Image of the Year Award.

Many researchers have stopped breeding mice, reduced the size of colonies, and established contingency plans in case animal care staff get sick.