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The ICAT Supervisor list is reviewed annually by the partner universities and updated online in March/April each year.

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Full NameDr Gerard Clarke

Psychiatry and Neurobehavioural Science

University College Cork

Webpage:research.ucc.ie

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Research Fields
  • cell and developmental biology/regenerative medicine
  • neuroscience and mental health
Postgrad Medical Specialties
  • Obstetrics and Gynaecology
  • Paediatrics
Medical Subspecialties
  • Dementia
  • Endocrinology
  • Gastroenterology
  • Neurophysiology
  • Neuropsychiatry
  • Pharmacology
  • Physiology
My Work

My current research focus takes a translational approach to the assessment of neuropharmacological indices of stress-related disorders such as depression and irritable bowel syndrome (IBS). This approach incorporates studies in both clinical populations and in animal models using early-life stress templates that produce specific disease phenotypes in adulthood. I am particularly interested in advancing our understanding of how tryptophan degradation along the kynurenine pathway influences psychopathology and in evaluating novel therapeutic interventions which can reverse such deficits.

My research also interrogates the impact of microbiota manipulation on the central nervous system. This is a rapidly expanding area of research with enormous potential and one which is studied using the combined approach of germ-free animals, probiotic administration and antibiotic induced dysbiosis.

Recent Publications:

Transferring the blues: Depression-associated gut microbiota induces neurobehavioural changes in the rat (http://www.sciencedirect.com/science/article/pii/S0022395616301571)

Kynurenine pathway metabolism and the microbiota-gut-brain axis (http://www.sciencedirect.com/science/article/pii/S002839081630288X)

Regulation of prefrontal cortex myelination by the microbiota (http://www.nature.com/tp/journal/v6/n4/full/tp201642a.html)

Acute tryptophan depletion reduces kynurenine levels: implications for treatment of impaired visuospatial memory performance in irritable bowel syndrome (http://link.springer.com/article/10.1007%2Fs00213-014-3767-z)

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