Age- and gender-related changes in GABA signalling components in the human cortex

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dc.contributor.advisor Kwakowsky, A en
dc.contributor.author Pandya, Madhavi en
dc.date.accessioned 2017-07-12T02:26:02Z en
dc.date.issued 2017 en
dc.identifier.uri http://hdl.handle.net/2292/34186 en
dc.description Full text is available to authenticated members of The University of Auckland only. en
dc.description.abstract GABA signalling components demonstrate high age- and region-specific variability in control and disease cases. The aim of the present study was to investigate the regional and cortical differences in expression of GABA A receptor subunits (α1/2/3/5, β3 & γ2), GABA B receptor subunits (R1 & R2), GABA synthesising enzymes (GAD65 & GAD67) and GABA transporters (GAT1 & GAT3) in healthy human cortex (cerebellum, sensory and motor cortex, superior, middle and inferior temporal gyrus (STG, MTG and ITG, respectively)). The study examined four groups; 6 young females (YF, 51.7 years ± 5.1 years), 6 young males (YM, 47.5 years ± 1.5 years), 6 elderly females (OF, 76 years ± 1.3 years) and 6 elderly males (OM, 80 years ± 1.5 years). Using Western blotting (immunofluorescence based) and immunohistochemistry techniques, GABA signalling components expression patterns were compared between groups. Results showed highest age- and gender-related variability in GABA A receptor subunits in the STG region. Significant age-related decrease in GAT1 expression was seen in cerebellum, sensory cortex and ITG. Motor cortex was well preserved in expression of all components across groups. Overall, the GABAergic system is relatively robust against age- and gender-related differences. In conclusion, this is the first study to characterise expression of GABA signalling components in the cerebellum, temporal gyri and sensory and motor cortex. We identify the regional-, age- and gender-related difference in expression of GABA signalling components in the human brain. en
dc.publisher ResearchSpace@Auckland en
dc.relation.ispartof Masters Thesis - University of Auckland en
dc.relation.isreferencedby UoA en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. en
dc.rights Restricted Item. Available to authenticated members of The University of Auckland. en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Age- and gender-related changes in GABA signalling components in the human cortex en
dc.type Thesis en
thesis.degree.discipline Biomedical Science en
thesis.degree.grantor The University of Auckland en
thesis.degree.level Masters en
dc.rights.holder Copyright: The author en
pubs.elements-id 636897 en
pubs.org-id Medical and Health Sciences en
pubs.org-id Medical Sciences en
pubs.org-id Physiology Division en
pubs.record-created-at-source-date 2017-07-12 en


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