Novel heteromeric receptors: ghrelin receptors and dopamine receptors working together

Ghrelin is a naturally occurring hormone that had been thought to be a transmitter in the central nervous system (CNS). Some years ago we discovered that ghrelin is a powerful CNS-acting stimulant of defecation in animal models and humans. A striking conclusion from our discoveries is that the strong stimulation of defecation by ghrelin agonists is independent of ghrelin, which we discovered to be absent from the CNS. Our data indicates that the physiological activation of the ghrelin receptor, GHSR, is through dopaminergic transmission acting at a combined GHSR/dopamine 2 receptor (DRD2).

Aim

  • Investigating how ghrelin and dopamine receptor agonists act and interact at this receptor complex in biophysical systems, isolated cells, native cells and whole animals.
  • Investigate the relevance of our discoveries for treatment of constipation in two disease models.

Research team

Members

  • Dr Sebastian Furness
  • Billie Hunne

Take part in this project

Student applications

Students who are applying to study at The Florey can register their interest in this project. Refer to our step-by-step guide to help you with your application.

How to apply

Accepting students

Contact us

If you’re interested in learning more about this project please contact our team.

Please enter your first name
Please enter your last name
Please enter a valid phone number
Please enter a correct email address
Please provide information regarding your enquiry