Title |
Ageing of enteric neurons: oxidative stress, neurotrophic factors and antioxidant enzymes
|
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Published in |
BMC Chemistry, August 2012
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DOI | 10.1186/1752-153x-6-80 |
Pubmed ID | |
Authors |
Kris Korsak, Nazanin F Dolatshad, Ayona T Silva, M Jill Saffrey |
Abstract |
Ageing is associated with gastrointestinal dysfunction, which can have a major impact on quality of life of the elderly. A number of changes in the innervation of the gut during ageing have been reported, including neuronal loss and degenerative changes. Evidence indicates that reactive oxygen species (ROS) are elevated in ageing enteric neurons, but that neurotrophic factors may reduce generation of neuronal ROS. Two such factors, glial cell line derived neurotrophic factor (GDNF) and neurotrophin-3 (NT-3) have also been found to protect enteric neurons against oxidative stress induced cell death of enteric ganglion cells in vitro. We have investigated the possible roles of neurotrophic factors further, by examining their expression in the gut during ageing, and by analysing their effects on antioxidant enzyme production in cultures of enteric ganglion cells. |
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