Immune system

Recent articles

Research image of fibroblasts creating a seal that separates the blood vessels in the choroid plexus from the rest of the brain.

Newly identified barrier cells seal off choroid plexus from CSF, rest of brain

A long-overlooked layer of fibroblasts exists inside the choroid plexus of mice and humans, adding complexity to the area’s compartmentalization.

By Claudia López Lloreda
3 April 2026 | 4 min read
Research image of male mouse placentas.

Post-infection immune conflict alters fetal development in some male mice

The immune conflict between dam and fetus could help explain sex differences in neurodevelopmental conditions.

By Viviane Callier
26 February 2026 | 5 min read
Brain scans showing activity in areas associated with threat detection and peripersonal space.

Human brain may anticipate looming contagion

Seeing a visibly ill avatar in virtual reality activates a neuroimmune pathway in brain areas related to peripersonal space and prompts an immune response, a small new study suggests.

By Claudia López Lloreda
28 July 2025 | 6 min read
Research image of the spinal meninges in mice.

Immune cells block pain in female mice only

Regulatory T cells in the spinal meninges release endogenous opioids in a sex-specific manner, new work shows.

By Angie Voyles Askham
22 May 2025 | 5 min read
Illustration of a body, brain visible through a transparent head, looking at orange circles over its hands.

Rethinking mental health: The body’s impact on the brain

Mounting evidence illustrates how peripheral molecules can influence brain function, offering new therapeutic targets.

By Georgia E. Hodes
11 February 2025 | 6 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
Research image of microglia in mice.

Microglial overreaction to atypical neurons may drive autism

In mice and organoids lacking a neuronal protein, microglia prune synapses to excess.

By Holly Barker
21 March 2024 | 5 min read
A research image of a mouse brain

Immune-activation model mice escape infantile amnesia, retain early memories

Male pups born to mothers treated with immune-stimulating molecules show autism-like behaviors and, unlike wildtype animals, do not lose memories formed during early life.

By Giorgia Guglielmi
11 January 2024 | 5 min read
A multiplexed image of human decidua.

Atlas charts cells of human placenta, uterus across early pregnancy

A new resource gives an unparalleled look at how fetal placental cells attach to the uterine wall and remodel maternal blood vessels to access nutrients.

By Emily Hayes
27 July 2023 | 4 min read

‘wildDISCO’ cocktail yields whole-body maps of mouse neurons and more

A new technique used to create see-through rodents can help scientists analyze how the nervous system interacts with other body systems.

By Charles Q. Choi
20 July 2023 | 4 min read

Explore more from The Transmitter

Collage with a portrait of Suzanne Wood.

The ‘secretly awesome’ side of a teaching career

The freedom to do “wacky” research projects that interest you is a major perk of the teaching stream, says Suzanne Wood, a teaching professor at the University of Toronto.

By Katie Moisse
20 May 2026 | 7 min read
Los manifestantes marchan por la calle portando una pancarta que dice "Defendamos la ciencia".

Manifestantes argentinos denuncian el recorte al financiamiento científico

Manifestantes alrededor del país exigieron al gobierno que aumente los salarios de las universidades públicas y el financiamiento para la investigación científica.

Outside influences on CHD8 variant phenotypes, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 18 May.

By Jill Adams
19 May 2026 | 2 min read