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The discovery suggests that the immune checkpoint can operate at a further distance from tumor cells than previously believed.

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In mice and flies, the Arc protein forms capsids and carries genetic information.

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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: Infographic: How the Zebrafish Got Its Stripes

Infographic: How the Zebrafish Got Its Stripes

By Catherine Offord | May 1, 2017

Immune cells called macrophages shuttle cellular messages in the skin.

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Results from experiments in mice revise a long-held hypothesis that certain protein scaffolds are needed for synaptic activity.

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image: Palade Particles, 1955

Palade Particles, 1955

By Kerry Grens | February 1, 2014

Electron microscopy led to the first identification of what would later be known as ribosomes.

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image: Palade and His Particles

Palade and His Particles

By Kerry Grens | February 1, 2014

Nobel Laureate Christian de Duve discusses the impact of George Palade’s work on ribosomes.

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image: Microbes Expel Swarms of Vesicles

Microbes Expel Swarms of Vesicles

By Kerry Grens | January 10, 2014

Scientists present the first evidence that marine cyanobacteria release vesicles—billions and billions of vesicles.

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image: Week in Review: October 7–11

Week in Review: October 7–11

By Jef Akst | October 11, 2013

Nobels awarded for vesicle trafficking and computational chemistry; building 3-D microbial communities; mislabeled microbes cause retractions

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image: Vesicle Trafficking Trio Wins Nobel

Vesicle Trafficking Trio Wins Nobel

By Kerry Grens | October 7, 2013

James Rothman, Randy Schekman, and Thomas Südhof share Nobel Prize in Medicine or Physiology.  

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