How PCBs may change brain development in children
Molecular and Cellular Basis of PCB Developmental Neurotoxicity
This project looks at whether common low‑chlorinated PCBs and their breakdown products change how brain cells grow and communicate 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-11221908 on NIH RePORTER |
What this research studies
As a parent, this project aims to find out whether low‑chlorinated PCBs that are common in the environment can alter how a baby's brain cells grow and connect. The team uses lab-grown neurons and animal models exposed at levels similar to human pregnancy to measure effects on dendrite and axon growth and on CREB signaling pathways. They compare those lab findings with PCB and metabolite levels measured in pregnant women's blood to link the lab work to real-world exposure. The researchers want to identify which PCB metabolites are most active and the molecular steps by which they might affect brain wiring.
Who could benefit from this research
Good fit: Ideal candidates would include pregnant women or parents of infants and young children with known or suspected PCB exposure who are willing to provide health information or biological samples.
Not a fit: People without concerns about prenatal PCB exposure or those seeking immediate treatments for established neurodevelopmental disorders are unlikely to receive direct benefit from this project.
Why it matters
Potential benefit: If successful, this work could clarify how common PCBs harm early brain development and guide prevention, exposure limits, or future treatments.
How similar studies have performed: Previous lab and animal studies have shown that some PCBs can alter brain development, but the effects of low‑chlorinated PCBs and their metabolites in humans remain largely untested.
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.