Inhibitory signaling
Brain ‘chimeroids’ reveal person-to-person differences rooted in genetics
These fusions created from multiple donors’ organoids may help scale up comparative brain research.
![Research image of a chimeroid.](https://www.thetransmitter.org/wp-content/uploads/2024/07/Chimeroid-Lede-1200-1024x692.webp)
Brain ‘chimeroids’ reveal person-to-person differences rooted in genetics
These fusions created from multiple donors’ organoids may help scale up comparative brain research.
Synaptic anomalies in autistic people support imbalance hypothesis
Increased excitatory and decreased inhibitory synapses in the prefrontal cortex of autistic people suggest broader impacts on brain function and connectivity.
![Research image of excitatory synapses in the prefrontal cortex.](https://www.thetransmitter.org/wp-content/uploads/2024/06/Fig2BD3BD-1200-1024x692.webp)
Synaptic anomalies in autistic people support imbalance hypothesis
Increased excitatory and decreased inhibitory synapses in the prefrontal cortex of autistic people suggest broader impacts on brain function and connectivity.
Opioid receptors may guide formation of gut nervous system in zebrafish
Fish lacking functional copies of the receptors have fewer enteric neurons than usual, but the findings await further validation.
![Research image of enteric neurons in zebrafish.](https://www.thetransmitter.org/wp-content/uploads/2024/06/Fig2D-fish-1200-1024x692.webp)
Opioid receptors may guide formation of gut nervous system in zebrafish
Fish lacking functional copies of the receptors have fewer enteric neurons than usual, but the findings await further validation.
What goes up must come down: New marker flags decreased neural activity
Phosphorylation of the metabolic enzyme pyruvate dehydrogenase inversely correlates with neural activity, offering scientists a tool to study inhibition for the first time.
![A research image of a mouse brain under anesthesia](https://www.thetransmitter.org/wp-content/uploads/2024/02/1200-marker-of-inhibiton-landscape-neuroscience-transmitter-1024x683.webp)
What goes up must come down: New marker flags decreased neural activity
Phosphorylation of the metabolic enzyme pyruvate dehydrogenase inversely correlates with neural activity, offering scientists a tool to study inhibition for the first time.
New template streamlines sharing clinical trial results
This month’s Going on Trial newsletter explores a new tool for communicating with clinical trial participants and their families, among other drug development news.
![Illustration of a sheet of red and white pills, with the red pills arranged in the form of a question mark.](https://www.thetransmitter.org/wp-content/uploads/2023/01/844-going-on-trial-autism-drugs-02.jpg)
New template streamlines sharing clinical trial results
This month’s Going on Trial newsletter explores a new tool for communicating with clinical trial participants and their families, among other drug development news.
Vast diversity of human brain cell types revealed in trove of new datasets
The collection offers a glimpse into differences in cell composition — across people and brain regions — that may shape neural function.
![Research image of various types of cells.](https://www.thetransmitter.org/wp-content/uploads/2023/10/CellCensus_1200.jpg)
Vast diversity of human brain cell types revealed in trove of new datasets
The collection offers a glimpse into differences in cell composition — across people and brain regions — that may shape neural function.
Some social issues in DYRK1A model mice stem from faulty inhibitory circuits
Alterations in inhibitory circuits and difficulties in social recognition characterize mice missing one copy of DYRK1A, a gene linked to autism.
![A research image of a mouse hippocampus](https://www.thetransmitter.org/wp-content/uploads/2023/10/1200-DYRK1A-autism.webp)
Some social issues in DYRK1A model mice stem from faulty inhibitory circuits
Alterations in inhibitory circuits and difficulties in social recognition characterize mice missing one copy of DYRK1A, a gene linked to autism.
Uncertainty and excitement surround one company’s cell therapy for epilepsy
After 10 years of work, Neurona may have the data to quiet its skeptics. But its ongoing clinical trial will be the ultimate test.
![Photograph of a gloved hand pointing to a computer screen that is displaying an image of a mouse brain.](https://www.thetransmitter.org/wp-content/uploads/2023/10/1200-neurona-lede.webp)
Uncertainty and excitement surround one company’s cell therapy for epilepsy
After 10 years of work, Neurona may have the data to quiet its skeptics. But its ongoing clinical trial will be the ultimate test.
Trials test utility of EEG biomarkers for autism-related conditions
This month’s Going on Trial newsletter dives into an electroencephalography biomarker that could track the efficacy of treatments for dup15q and Angelman syndromes, among other drug development news.
![Illustration of a sheet of red and white pills, with the red pills arranged in the form of a question mark.](https://www.thetransmitter.org/wp-content/uploads/2023/01/844-going-on-trial-autism-drugs-02.jpg)
Trials test utility of EEG biomarkers for autism-related conditions
This month’s Going on Trial newsletter dives into an electroencephalography biomarker that could track the efficacy of treatments for dup15q and Angelman syndromes, among other drug development news.
‘VIP’ interneurons may drive autism traits in Dravet syndrome
The inhibitory cells misfire and contribute to social difficulties in mice that model the syndrome.
![A brown mouse looks away from a white mouse in a cage to its left.](https://www.thetransmitter.org/wp-content/uploads/2023/07/1200-interneuron-autism-dravet.jpg)
‘VIP’ interneurons may drive autism traits in Dravet syndrome
The inhibitory cells misfire and contribute to social difficulties in mice that model the syndrome.
Explore more from The Transmitter
New connectomes fly beyond the brain
Researchers are mapping the neurons in Drosophila’s ventral nerve cord, where the central nervous system meets the rest of the body.
![Research image of neurons in the fly’s ventral nerve cord.](https://www.thetransmitter.org/wp-content/uploads/2024/07/lede-motormodules-1200-1024x692.webp)
New connectomes fly beyond the brain
Researchers are mapping the neurons in Drosophila’s ventral nerve cord, where the central nervous system meets the rest of the body.
Building an autism research registry: Q&A with Tony Charman
A purpose-built database of participants who have shared genomic and behavioral data could give clinical trials a boost, Charman says.
![Illustration of researchers talking to laypeople amidst strands of DNA.](https://www.thetransmitter.org/wp-content/uploads/2024/07/1200_Charman-1024x687.webp)
Building an autism research registry: Q&A with Tony Charman
A purpose-built database of participants who have shared genomic and behavioral data could give clinical trials a boost, Charman says.
Cerebellar circuit may convert expected pain relief into real thing
The newly identified circuit taps into the brain’s opioid system to provide a top-down form of pain relief.
![](https://www.thetransmitter.org/wp-content/uploads/2024/07/paincircuit-1200-1024x692.webp)
Cerebellar circuit may convert expected pain relief into real thing
The newly identified circuit taps into the brain’s opioid system to provide a top-down form of pain relief.