Stem cells

Recent articles

Research image of microglia in organoids.

Microglia nurture young interneurons

The immune cells secrete a growth factor that “sets the supply of GABAergic interneurons in the developing brain.”

By Lauren Schenkman
28 August 2025 | 4 min read
Bag of umbilical cord blood.

Why hype for autism stem cell therapies continues despite dead ends

After numerous tests, there is still no evidence that these experimental treatments help, so now is not the time to expand access to them.

By Paul Knoepfler
22 August 2025 | 6 min read

Cell ‘antennae’ link autism, congenital heart disease

Variants in genes tied to both conditions derail the formation of cilia, the tiny hair-like structure found on almost every cell in the body, a new study finds.

By Lauren Schenkman
24 July 2025 | 4 min listen
Research image of human cortical neurons xenotransplanted into a mouse brain for months.

In vivo veritas: Xenotransplantation can help us study the development and function of human neurons in a living brain

Transplanted cells offer insight into human-specific properties, such as a lengthy cortical development and sensitivity to neurodevelopmental and neurodegenerative disease.

By Pierre Vanderhaeghen
7 April 2025 | 9 min listen
Research image of an assembloid.

Organoids and assembloids offer a new window into human brain

These sophisticated 3D cultures reveal previously inaccessible stages of human brain development and enable the systematic study of disease genes.

By Sergiu P. Pasca
31 March 2025 | 7 min read
Research image of brain scans.

Impaired molecular ‘chaperone’ accompanies multiple brain changes, conditions

Rare genetic variants in a protein-folding complex contribute to a spectrum of phenotypes that encompass brain malformations, intellectual disability, autism and seizures, according to a new “hallmark” study.

By Holly Barker
12 December 2024 | 5 min read
Black-and-white research image of brain organoids.

Brain organoid size matches intensity of social problems in autistic people

Overgrown organoids could point to mechanisms underlying profound autism.

By Holly Barker
18 July 2024 | 5 min read
Neural progenitor cells in a culture medium, color-enhanced scanning electron micrograph (SEM).

Autism subgroups converge on cell growth pathway

Faulty mTOR signaling, implicated in syndromic forms of autism, also hinders cells grown from people with idiopathic autism or autism-linked deletions on chromosome 16.

By Angie Voyles Askham
2 April 2024 | 5 min listen
An illustration of a gold circle and wavy blue plants.

Building a brain: How does it generate its exquisite diversity of cells?

High-throughput technologies have revealed new insights into how the brain develops. But a truly comprehensive map of neurodevelopment requires further advances.

By Tomasz Nowakowski, Karthik Shekhar
18 March 2024 | 6 min read
A scientist looks into a microscope

Raising the bar for stem cell research: Q&A with Jack Mosher

New quality benchmarks for basic research involving stem cells promise to improve rigor and reproducibility, says Mosher, who helped develop the standards.

By Lauren Schenkman
10 October 2023 | 7 min read

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

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