How low-chlorinated PCBs may affect early brain development
Molecular and Cellular Basis of PCB Developmental Neurotoxicity
This research looks at how common PCB chemicals and their breakdown products change brain cell growth during pregnancy and early childhood.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California at Davis NIH-funded |
| Lab location | 1 site (Davis, United States) |
| Project ID | NIH-11469628 on NIH RePORTER |
What this research studies
As a parent, this research examines whether low-chlorinated PCBs that are commonly found in pregnant people's blood change how brain cells grow and connect. Scientists use human-relevant PCB levels in lab-grown neurons and in animal models to track effects on dendrites, axons, and CREB signaling pathways. They also study PCB metabolites made by liver enzymes to see which chemicals are most active and whether they act through the same molecular mechanisms. The team aims to link these lab findings to exposure measurements in pregnant people to better understand risks for neurodevelopmental disorders.
Who could benefit from this research
Good fit: People who are pregnant or planning pregnancy, especially those with known or suspected PCB exposure, or parents of young children with developmental concerns, would be most connected to this work.
Not a fit: People without prenatal PCB exposure or those seeking immediate clinical treatment for existing developmental disorders are unlikely to receive direct benefits from this primarily lab-focused research.
Why it matters
Potential benefit: Could help identify which PCB exposures during pregnancy increase the risk of neurodevelopmental disorders and guide prevention, screening, or future treatments.
How similar studies have performed: Earlier lab studies have shown that some PCBs alter neuron growth and that LC-PCBs like PCB 11 are present in pregnant women's blood, but applying these findings to human health outcomes is still developing.
Where this research is happening
Davis, United States
- University of California at Davis — Davis, United States (Active)
Researchers
- Principal investigator: Lein, Pamela J — University of California at Davis
- Study coordinator: Lein, Pamela J
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.