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Shigehiro Nakajima, MD, PhD

Professor of Pharmacology

Dr. Nakajima's laboratory focuses on the mechanisms involved in the excitation of brain neurons by slow-acting transmitters such as neurotensin and dopamine. The research addresses the signaling pathways initiated by neurotransmitters that influence ion channel activity, leading to slow excitation of neurons. We are interested in two types of ion channels which are the principal determinants of excitability, a type of potassium channels (G protein-coupled inward-rectifier K+ channels), and the other TRPC (transient receptor potential canonical) channels. The investigators work on primary cultured neurons from specific nuclei of the rat brain, such as the nucleus basalis of Meynert (the main cholinergic neurons of the brain, related to Alzheimer's disease), and the substantia nigra and the ventral tegmental area (dopamine containing neurons, related to Parkinson's disease and psychiatric disorders). The laboratory uses electro-physiological and the molecular biological approaches to address these questions.


406D CMW
1853 W. Polk St.
(312) 996-0003

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