The results add to mounting evidence of microbes’ roles in tumor growth and point to the possibility of impeding malignancies by inhibiting bacteria.

In mice, the brain’s main glial cell type exhibits distinctive patterns of activity across the sleep-wake cycle and influences the response to sleep deprivation.

The animals develop a new memory that overrides the fearful one by inhibiting the cells that encode the original memory.

In mice, a group of nasal epithelial cells called brush cells release pro-inflammatory signals in response to allergens.

The drug, called memantine, could enter clinical trials to determine its effectiveness in humans.

The low-carb, high-fat diet increases the presence of gamma-delta T cells in the animals’ lungs, improving a mucus barrier against the virus.

A device implanted into mice can modulate brain circuit activity over long periods of time.

Boosting the levels of Akkermansia muciniphila in mouse guts slowed the progression of an ALS-like disease, while two other microbiome members were associated with more severe symptoms.

Some researchers and animal rights groups are amplifying their opposition to an assay that measures how long a rodent tries to stay afloat.