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

A blue comment bubble is pinned down by crisscrossing red threads and pins.

Neuroscience conference policy draws confusion, apology

NeurIPS organizers apologized and altered course after issuing a policy that barred submissions from researchers at U.S.-government-sanctioned institutions.

By Dalmeet Singh Chawla
27 March 2026 | 5 min read
Assembloids in a petri dish.

Funding for animal research alternatives reaches ‘inflection point’

The United States and Europe are dedicating hundreds of millions of dollars in funding to advance novel alternative methods, but not all neuroscientists see this as a positive step.

By Claudia López Lloreda
26 March 2026 | 4 min read
Illustration of a laptop computer superimposed over a scroll.

‘Friction-maxxing’ in school: Students should read primary literature, not AI summaries

Trainees need to learn how to identify a neuroscience paper’s major takeaways and integrate them into their understanding. This skill doesn’t come from outsourcing the work to large language models.

By Nora Bradford
26 March 2026 | 5 min read