Assessment of Neurovascular Coupling and Cortical Spreading Depression in Mixed Mouse Models of Atherosclerosis and Alzheimer's Disease
Neurovascular coupling is a critical brain mechanism whereby changes to blood flow accompany localised neural activity. The breakdown of neurovascular coupling is linked to the development and progression of several neurological conditions including dementia. In this study, we examined cortical haemodynamics in mouse preparations that modelled Alzheimer's disease (J20-AD) and atherosclerosis (PCSK9-ATH) between 9 and 12 m of age. We report novel findings with atherosclerosis where neurovascular decline is characterised by significantly reduced blood volume, altered levels of oxyhaemoglobin and deoxyhaemoglobin, in addition to global neuroinflammation. In the comorbid mixed model (J20-PCSK9-MIX), we report a 3 x increase in hippocampal amyloid-beta plaques. A key finding was that cortical spreading depression (CSD) due to electrode insertion into the brain was worse in the diseased animals and led to a prolonged period of hypoxia. These findings suggest that systemic atherosclerosis can be detrimental to neurovascular health and that having cardiovascular comorbidities can exacerbate pre-existing Alzheimer's-related amyloid-plaques.
Reference
- Shabir, Osman et al. “Assessment of neurovascular coupling and cortical spreading depression in mixed mouse models of atherosclerosis and Alzheimer's disease.” Elife. 2022;11:e68242. Distributed under Open Access License CC BY 4.0.

- iNeuMab™ Anti-TREM2 BBB Shuttle Antibody (NRZP-1022-ZP4114) (Cat#: NRZP-1022-ZP4114)
- iNeuMab™ Anti-Tau Antibody (NRP-0422-P2293) (Cat#: NRP-0422-P2293)
- iNeuMab™ Mouse Anti-LRP1 Monoclonal Antibody (CBP3363) (Cat#: NAB-0720-Z6479)
- iNeuMab™ Anti-pTau Antibody (NRP-0422-P1719) (Cat#: NRP-0422-P1719)
- iNeuMab™ Anti-F-Spondin/SPON1 Antibody, Clone 3F4 (Cat#: NRZP-0822-ZP4740)
- iNeuMab™ Anti-GD2 Antibody (NRZP-1222-ZP767) (Cat#: NRZP-1222-ZP767)
- iNeuMab™ Anti-TREM2 Antibody (NRP-0422-P792) (Cat#: NRP-0422-P792)
- iNeuMab™ Anti-Integrin αvβ8 BBB Shuttle Antibody (NRZP-1222-ZP1218) (Cat#: NRZP-1222-ZP1218)
- iNeuMab™ Anti-SEZ6 Antibody (NRP-0422-P515) (Cat#: NRP-0422-P515)
- iNeuMab™ Anti-Alpha Synuclein BBB Shuttle Antibody (NRZP-1022-ZP4050) (Cat#: NRZP-1022-ZP4050)
- Human Dental Pulp Stem Cells (Cat#: NRZP-1122-ZP113)
- Green Fluorescent Alpha-synuclein Cell Line (Cat#: NCL2110P209)
- Green Fluorescent Tau cell Line (Cat#: NCL2110P219)
- Human Brain Vascular Adventitial Fibroblasts (Cat#: NCL-21P6-014)
- iNeu™ Human Oligodendrocyte Progenitor Cells (OPCs) (Cat#: NCL-2103-P49)
- Human Brain Microvascular Endothelial Cells (Cat#: NCL-2103-P133)
- Mouse Microglia from C57BL/6 (Cat#: NCL-21P6-082)
- Human Microglia Cell Line HMC3, Immortalized (Cat#: NCL-2108P38)
- Mouse Glioma Cell Line GL261 (Cat#: NCL-2108P28)
- Human Blood Brain Barrier Model (Cat#: NCL-2103-P187)
- Amyloid beta 1-42 Kit (Cat#: NRP-0322-P2170)
- Alpha Synuclein Aggregation Kit (Cat#: NRZP-1122-ZP15)
- Alpha-Synuclein Aggregation Assay Kit (Cat#: NRZP-1122-ZP37)
- Human Poly ADP ribose polymerase,PARP Assay Kit (Cat#: NRZP-1122-ZP62)
- Human GFAP ELISA Kit [Colorimetric] (Cat#: NPP2011ZP383)
- Beta Amyloid (1-40), Aggregation Kit (Cat#: NRZP-0323-ZP199)
- Beta Amyloid (1-42), Aggregation Kit (Cat#: NRZP-0323-ZP200)
- Human Tau Aggregation Kit (Cat#: NRP-0322-P2173)
- VSV-eGFP (Cat#: NTA-2011-ZP20)
- Dextran, NHS Activated (Cat#: NRZP-0722-ZP124)
- AAV2 Full Capsids, Reference Standards (Cat#: NTC2101070CR)
- ABCA1 Antisense Oligonucleotide (NV-2106-P27) (Cat#: NV-2106-P27)
- Mouse Parkinson disease (autosomal recessive, early onset) 7 (Park7) (NM_020569) clone, Untagged (Cat#: NEP-0621-R0133)
- Human superoxide dismutase 1, soluble (SOD1) (NM_000454) ORF clone, TurboGFP Tagged (Cat#: NEP-0521-R0748)
- Human apolipoprotein E (APOE) (NM_000041) ORF clone, Untagged (Cat#: NEP-0421-R0232)
- Mouse SOD1 shRNA Silencing Adenovirus (Cat#: NV-2106-P14)
- Human presenilin 1 (PSEN1), transcript variant 2 (NM_007318) ORF clone, TurboGFP Tagged (Cat#: NEP-0421-R0140)
- Tau Antisense Oligonucleotide (IONIS-MAPTRx) (Cat#: NV-2106-P29)
- Lenti of Human TAR DNA binding protein (TARDBP) (NM_007375) ORF clone, mGFP Tagged (Cat#: NEP-0521-R0832)
- Lenti of Mouse synuclein, alpha (Snca) transcript variant (NM_001042451) ORF clone, mGFP Tagged (Cat#: NEP-0521-R0864)
- Human huntingtin (HTT) (NM_002111) ORF clone, Myc-DDK Tagged (Cat#: NEP-0521-R0497)
- NeuroBiologics™ Monkey Cerebrospinal Fluid (Cat#: NRZP-0822-ZP495)
- NeuroBiologics™ Rat Cerebrospinal Fluid (Cat#: NRZP-0822-ZP496)
- NeuroBiologics™ Mouse Cerebrospinal Fluid (Cat#: NRZP-0822-ZP497)
- NeuroBiologics™ Human Cerebrospinal Fluid (Cat#: NRZP-0822-ZP491)
- NeuroBiologics™ Pig Cerebrospinal Fluid (Cat#: NRZP-0822-ZP498)
- NeuroPro™ Anti-idursulfase BBB Shuttle Protein (Cat#: NRZP-0423-ZP497)
- NeuroPro™ Anti-SGSH BBB Shuttle Protein (Cat#: NRZP-0423-ZP505)
- NeuroPro™ Anti-TNFR BBB Shuttle Protein (Cat#: NRZP-0423-ZP501)
- NeuroPro™ Anti-EPO BBB Shuttle Protein (Cat#: NRZP-0423-ZP508)
- NeuroPro™ Anti-PON1 BBB Shuttle Protein (Cat#: NRZP-0423-ZP507)
- NeuroPro™ Anti-IDS BBB Shuttle Protein (Cat#: NRZP-0423-ZP503)
- NeuroPro™ Anti-TNFR BBB Shuttle Protein (Cat#: NRZP-0423-ZP510)
- NeuroPro™ Anti-IDUA BBB Shuttle Protein (Cat#: NRZP-0423-ZP502)
- NeuroPro™ Anti-Erythropoietin BBB Shuttle Protein (Cat#: NRZP-0423-ZP499)
- NeuroPro™ Anti-NAGLU BBB Shuttle Protein (Cat#: NRZP-0423-ZP506)