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After an initial wounding, genes needed for repair remain ready for action.

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Researchers uncover a family of compounds that may be involved in pain transmission.

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A single receptor on natural killer cells recognizes an amino acid sequence conserved across Zika, dengue, and related pathogens.

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image: Researchers Identify Obesity-Diabetes Link

Researchers Identify Obesity-Diabetes Link

By Catherine Offord | December 1, 2017

Exosomes produced by macrophages in fatty tissue influence insulin sensitivity in distant cell types, a study finds.

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When peripheral nerves are severed, Schwann cells at the injury site begin to proliferate and exhibit stem cell-like gene expression patterns.

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image: Neural Reward System Activity Varies Throughout the Day

Neural Reward System Activity Varies Throughout the Day

By Catherine Offord | November 1, 2017

The human brain is more responsive to rewards received in the morning or evening than in the afternoon, researchers find.

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image: Presynaptic Neurons Fine-Tune Dopamine Signaling

Presynaptic Neurons Fine-Tune Dopamine Signaling

By Catherine Offord | November 1, 2017

Vesicles load more of the neurotransmitter in response to neuronal activity, researchers find.

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Healthy siblings of people with the condition harbor more cohesive connections within certain brain networks.

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image: Insect Deploys Anti-Antiaphrodisiac

Insect Deploys Anti-Antiaphrodisiac

By Shawna Williams | October 1, 2017

Female plant bugs produce a compound to counter males’ attempts to render the females unattractive to other mates.

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image: Microglia Turnover in the Human Brain

Microglia Turnover in the Human Brain

By Shawna Williams | October 1, 2017

Researchers find that about a quarter of the immune cells are replaced every year.

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