Blood-brain barrier

Recent articles

Research image of a mouse brain with the same spot shown three times in different colors to show different neurochemical concentrations.

New dopamine sensor powers three-color imaging in live animals

The tool leverages a previously unused segment of the color spectrum to track the neurotransmitter and can be used with two additional sensors to monitor other neurochemicals at different wavelengths.

By Diana Kwon
25 July 2025 | 5 min listen
Astrocytes in a mouse brain.

Unexpected astrocyte gene flips image of brain’s ‘stalwart sentinels’

The genetic marker upends the accepted orientation of non-star-like astrocytes in the glia limitans superficialis.

By Lauren Schenkman
28 March 2025 | 5 min read
Illustration of a lab with a smoking crater in the middle of the floor.

The Transmitter’s favorite features of 2024

Our chosen stories include tales about research misconduct in the lab, a neuroscientist working at the end of the world, and the passing of neuroanatomy’s “great-grandfather,” Harvey Karten.

By The Transmitter
23 December 2024 | 2 min read
Research image of mouse cells.

Immune cell interlopers breach—and repair—brain barrier in mice

The choroid plexus, the protective network of blood vessels and epithelial cells that line the brain’s ventricles, recruits neutrophils and macrophages during inflammation, a new study shows.

By Claudia López Lloreda
20 November 2024 | 6 min listen
Maiken Nedergaard, Britta Engelhardt and Christer Betsholtz on a floating rock island with university facilities and abstract shapes.

Maiken Nedergaard’s power of disruption

The award-winning researcher’s discoveries have changed the way we think about the brain; that’s exactly what her critics dislike.

By Emily Sohn
26 February 2024 | 26 min listen

Explore more from The Transmitter

Autism-linked copy number variants always boost autism likelihood

By contrast, varied doses of the same genes decrease or increase the odds of five other conditions, with distinct biological consequences, two new preprints show.

By Natalia Mesa
4 September 2025 | 6 min read

Everything everywhere all at once: Decision-making signals engage entire brain

The findings, gleaned from the most comprehensive map yet of brain activity during decision-making in mice, show that the process is even more distributed than previously thought.

By Claudia López Lloreda
3 September 2025 | 5 min read

Astrocyte networks span large swaths of brain

The networks are plastic, connect brain regions that aren’t connected by neurons and may enable long-distance communication between astrocytes, a new preprint shows.

By Calli McMurray
3 September 2025 | 5 min listen

privacy consent banner

Privacy Preference

We use cookies to provide you with the best online experience. By clicking “Accept All,” you help us understand how our site is used and enhance its performance. You can change your choice at any time. To learn more, please visit our Privacy Policy.