Wang, Hongjuan, Wang, Rong, Zhao, Zhiwei, Ji, Zhijuan, Xu, Shiming, Holscher, Christian and Sheng, Shuli (2009) Coexistences of insulin signaling-related proteins and choline acetyltransferase in neurons. Brain research, 1249 . pp. 237-43. [Journal article]
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Type 2 diabetes recently has been identified as a risk factor for developing Alzheimer's disease (AD). The main reason for this appears to be insulin signaling failure in the brain. Furthermore, cholinergic neurons are particularly affected in the brains of AD patients. The aim of the present study is to investigate if insulin signaling-related proteins are co-located with cholinergic neuron in the CA1 region of hippocampus of mice, which could explain the early loss of cholinergic neurons in AD. Using immunohistochemistry, the insulin signaling-related proteins, such as insulin receptor (InsR), insulin receptor substrate-1 (IRS-1), protein kinase B (PKB, also named Akt), glycogen synthase kinase-3beta (GSK-3beta) and insulin-degrading enzyme (IDE) were analysed. Choline acetyltransferase (ChAT) was selected as a marker of cholinergic neurons. In the CA1 region of hippocampus of mice, several of the insulin signaling-related proteins we had chosen are co-located with ChAT, and most double immunoreactive positive cells were pyramidal cells. The coexistences indicated that the insulin signaling may play an important part in the activities of cholinergic neurons, and the impairment of the pathway may be important in the mechanisms that underlie neurodegeneration in AD.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Life and Health Sciences|
Faculty of Life and Health Sciences > School of Biomedical Sciences
|Research Institutes and Groups:||Biomedical Sciences Research Institute > Genomic Medicine|
Biomedical Sciences Research Institute
Biomedical Sciences Research Institute > Genomic Medicine > Neuroscience & Neurodegenerative Diseases
|Deposited By:||Dr Christian Holscher|
|Deposited On:||04 Feb 2010 09:33|
|Last Modified:||09 May 2016 10:58|
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