Lab-on-a-Chip Models Diabetes-Dementia Link

Why this is here: The GlucoBrain project will connect three separate organ-on-chip models—gut, pancreas, and brain—to study their interactions in real time.

Researchers at the University of Bath in the United Kingdom received £500,000 to build an organ-on-chip device. The GlucoBrain project aims to replicate the communication between the brain, gut, and pancreas. Investigators from the University of Oxford and Johns Hopkins University are collaborating on the three-year effort.

The team intends to observe how signals travel between organs and determine how diabetes impacts brain function. Current understanding relies on animal studies and cell cultures, which may not fully capture complex human interactions. This new device will use living human cells in a three-dimensional system, allowing for more natural cellular behavior.

Researchers will begin by creating individual chip models for each organ. They will then connect these models to study responses to glucose, hormones, and potential treatments.

While promising, the project is a pilot study focused on fundamental biological mechanisms. Further work will be needed to integrate more organs and cell types, and to validate findings in patient studies.