The role of capillary pericytes and LRP-1 in Parkinson's disease and dementia (360G-Wellcome-224632_Z_21_Z)

£644,817

I previously showed that in Alzheimer's disease (AD) amyloid beta constricts brain capillaries via signalling to pericytes. I now wish to investigate: (1) Parkinson's disease (PD) / Lewy Body Dementia (DLB), where alpha-synuclein evokes ROS production and hypothesise that endothelin will be released (as observed in AD) and evoke pericyte-mediated capillary constriction to decrease cerebral blood flow. (2) The role of APOE receptor LRP-1 in regulating increased tau phosphorylation in AD. LRP-1 is a master regulator of tau uptake/spread and highly expressed on pericytes. In AD model mice, pericyte deficiency leads to tau pathology and early neuronal loss. Thus, pericyte LRP-1 may play an important role in clearing/processing tau in the setting of amyloid pathology. I will examine whether AD-like tau pathology develops in an APP knock-in AD/pericyte-LRP-1 deficient mouse model. (3) The effect of Covid-19 on live human pericytes and capillaries.

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Grant Details

Amount Awarded 644817
Applicant Surname Nortley
Approval Committee Clinical Interview Committee
Award Date 2021-11-16T00:00:00+00:00
Financial Year 2021/22
Grant Programme: Title Clinical Research Career Development Fellowship - Stage 1
Has the grant transferred? No
Internal ID 224632/Z/21/Z
Lead Applicant Dr Ross R Nortley
Planned Dates: End Date 2026-10-27T00:00:00+00:00
Planned Dates: Start Date 2022-03-28T00:00:00+00:00
Recipient Org: City London
Recipient Org: Country United Kingdom
Region London
Research conducted at multiple locations? No
Sponsor(s) Prof David Attwell
Total amount including partnership funding 644817