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 | 4 min read
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 read
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 | 24 min read

Explore more from The Transmitter

Mouse brain slices.

Cortical evolution, ZBTB18, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 30 March.

By Jill Adams
31 March 2026 | 2 min read
Drawing of a brain.

Letter asks Congress for nearly $500 million to sustain BRAIN Initiative

The one-time boost would help counter the planned end this year to one of the program’s long-standing funding streams, which will result in a $195 million drop in funding for fiscal year 2027.

By Angie Voyles Askham
31 March 2026 | 3 min read
A human arm and a robot arm write code together on a small blackboard.

How to teach programming in the age of AI

Scientists and educators are concerned about students using artificial intelligence to shortcut their learning. But there are also opportunities, especially when it comes to teaching neuroscience students how to code.

By Ashley Juavinett
30 March 2026 | 8 min read