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Mice treated with an immunostimulant had better outcomes when researchers blocked the expression of TNFR2, a compound that helps tumors evade immune attack.

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In the presence of cytosolic DNA, cancer cells activate antiviral pathways that disguise them as immune cells.

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In response to short DNA fragments, lymphocytes release mitochondrial DNA that helps trigger an immune response.

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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: 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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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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Using single-cell RNA sequencing, scientists characterize new populations of dendritic cells and monocytes.

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Time-lapse imaging shows the immune cells transferring chemical signals during pigment pattern formation in developing zebrafish.

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image: Newly Discovered Emergency Responders to Liver Damage

Newly Discovered Emergency Responders to Liver Damage

By Ashley P. Taylor | August 1, 2016

Immune cells called macrophages from the peritoneal cavity of mice migrate to injured livers and aid in repair.

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image: Tumor Traps

Tumor Traps

By Kerry Grens | April 1, 2016

After surgery to remove a tumor, neutrophils recruited to the site spit out sticky webs of DNA that aid cancer recurrence.

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