Widespread decrease of nicotinic acetylcholine receptors in Parkinson's Disease

Masahiro Fujita, Masanori Ichise, Sami S. Zoghbi, Jeih San Liow, Subroto Ghose, Douglass C. Vines, Janet Sangare, Jian Qiang Lu, Vanessa L. Cropley, Hidehiro Iida, Kyeong Min Kim, Robert M. Cohen, William Bara-Jimenez, Bernard Ravina, Robert B. Innis

Research output: Contribution to journalArticlepeer-review

86 Scopus citations


Objective: Nicotinic acetylcholine receptors have close interactions with the dopaminergic system and play critical roles in cognitive function. The purpose of this study was to compare these receptors between living PD patients and healthy subjects. Methods: Nicotinic acetylcholine receptors were imaged in 10 nondemented Parkinson's disease patients and 15 age-matched healthy subjects using a single-photon emission computed tomography ligand [123I] 5-iodo-3-[2(S)-2-azetidinylmethoxy]pyridine. Using an arterial input function, we measured the total distribution volume (V; specific plus nondisplaceable), as well as the delivery (K1). Results: Parkinson's disease showed a widespread significant decrease (approximately 10%) of V in both cortical and subcortical regions without a significant change in K1. Interpretation: These results indicate the importance of extending the study to demented patients.

Original languageEnglish (US)
Pages (from-to)174-177
Number of pages4
JournalAnnals of Neurology
Issue number1
StatePublished - Jan 2006

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology


Dive into the research topics of 'Widespread decrease of nicotinic acetylcholine receptors in Parkinson's Disease'. Together they form a unique fingerprint.

Cite this