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Induction of GDNF and GFR alpha-1 Following AAV1-Rheb(S16H) Administration in the Hippocampus in vivo

Authors
Yun, DongyoungJeon, Min-TaeKim, Hyung-JunMoon, Gyeong JoonLee, ShinryeHa, Chang ManShin, MinsangKim, Sang Ryong
Issue Date
Apr-2020
Publisher
KOREAN SOC BRAIN & NEURAL SCIENCE, KOREAN SOC NEURODEGENERATIVE DISEASE
Keywords
Rheb(S16H); Hippocampus; Astrocyte; GDNF Neuroprotection
Citation
EXPERIMENTAL NEUROBIOLOGY, v.29, no.2, pp.164 - 175
Journal Title
EXPERIMENTAL NEUROBIOLOGY
Volume
29
Number
2
Start Page
164
End Page
175
URI
http://scholarworks.bwise.kr/kbri/handle/2023.sw.kbri/631
DOI
10.5607/en19075
ISSN
1226-2560
Abstract
The activation of neurotrophic signaling pathways following the upregulation of glial cell line-derived neurotrophic factor (GDNF), a member of the transforming growth factor-beta family, has a potential neuroprotective effect in the adult brain. Herein, We report that hippocampal transduction of adeno-associated virus serotype 1 (AAV1) with a constitutively active form of ras homolog enriched in brain [Rheb(S16H)], which can stimulate the production of brain-derived neurotrophic factor (BDNF) in hippocarnpal neurons, induces the increases in expression of GDNF and GDNF family receptor alpha-1 (GFR alpha-1), in neurons and astrocytes in the hippocampus of rat brain in vivo. Moreover, upregulation of GDNF and GFR alpha-1 contributes to neuroprotection against thrombin-induced neurotoxicity in the hippocampus. These results suggest that AAV1-Rheb(S16H) transduction of hippocampal neurons, resulting in neurotrophic interactions between neurons and astrocytes, may be useful for neuroprotection in the adult hippocampus.
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