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Acute bouts of diarrhea could have lasting effects on the microbiota and host immune system activation, a mouse study suggests.

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Researchers have been using ultrasound to control brain activity, but studies in mice and guinea pigs show it also stimulates the auditory system, presenting a confounder for direct neural stimulation.

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Researchers find a link between molecules released by commensal bacteria and the degree of inflammation in a mouse model of MS.

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image: Reprogrammed Cells Treat Diabetes in Mice

Reprogrammed Cells Treat Diabetes in Mice

By Abby Olena | May 2, 2018

Researchers used a trio of transcription factors to transform pancreatic duct cells in vivo into β-like cells that secrete insulin and improve diabetes symptoms.

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Mice who get less attention from their mothers have more copies of a common retrotransposon in the genomes of their hippocampal neurons.

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image: Hungry Macrophages Keep Tattoos on Mice’s Skin

Hungry Macrophages Keep Tattoos on Mice’s Skin

By Diana Kwon | March 7, 2018

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

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image: Maternal Response to Zika Damages Mouse Fetuses

Maternal Response to Zika Damages Mouse Fetuses

By Catherine Offord | January 5, 2018

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

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image: Alcohol Damages Mouse DNA

Alcohol Damages Mouse DNA

By Jef Akst | January 3, 2018

A byproduct of alcohol consumption causes mutations in the DNA of mouse blood stem cells, and some of the breaks are not repaired.

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Mice receiving the treatment produced their own monoclonal antibodies and survived infection with the life-threatening pathogen Pseudomonas aeruginosa.

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image: How Immune Receptors Got into Mouse Noses

How Immune Receptors Got into Mouse Noses

By Shawna Williams | September 1, 2017

A study traces proteins’ evolution from the immune to the olfactory system.

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