Journal of Neurology Research, ISSN 1923-2845 print, 1923-2853 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Neurol Res and Elmer Press Inc
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Review

Volume 13, Number 1, September 2023, pages 1-11


High Wall Shear Incites Cerebral Aneurysm Formation and Low Wall Shear Stress Propagates Cerebral Aneurysm Growth

Tables

Table 1. High Wall Shear Stress (WSS): Summary of Hemodynamic Pattern, Growth Rate, and Vascular Wall Changes
 
ReferencesWSSGrowth patternVessel wall changes
CA: cerebral aneurysms; SMC: smooth muscle cell; MMP: matrix metalloproteinase; PDGF: platelet-derived growth factor; FGF: fibroblast growth factor; tPA: tissue plasminogen activator; NF-κB: nuclear factor kappa B; COX: cyclooxygenase.
Stehbens, 1992 [48]High WSSInitiation of CA formationLoss of normal phenotype of endothelial cells and endothelial damage
Steiger, 1990 [56]High WSSInitiation of CA formationFragmentation of internal elastic lamina
Meng et al, 2007 [58]High WSSInitiation of CA formationDisruption of internal elastic lamina
Loss of medial SMCs
Reduced proliferation of vascular SMCs
Loss of fibronectin
Fukuda et al, 2000 [60]High WSSInitiation of CA formationFragmentation of endothelial cell plasma membrane
Endothelial cell vacuolization
Endothelial cell damage with/without nuclear and cytoplasmic vacuolization
Kolega et al, 2011 [64]High WSSInitiation of CA formationEndothelial cell damage
Endothelial cell turnover
MMP production by mural cells
Mural cell apoptosis
Jamous et al, 2007 [65]High WSSInitiation of CA formationFragmentation of endothelial cell plasma membrane
Endothelial cell vacuolization
Endothelial cell damage with/without nuclear and cytoplasmic vacuolization
Dolan et al, 2012 [66]High WSSInitiation of CA formationEndothelial cell turnover
Hoi et al, 2008 [67]High WSSInitiation of CA formationMMP production by endothelial cells
Wang et al, 2009 [68]High WSSInitiation of CA formationEndothelial cell loss
Pawlowska et al, 2018 [69]High WSSInitiation of CA formationIncreased interleukin-1β production
Taylor et al, 2015 [70]High WSSInitiation of CA formationMigration of SMC from media to intima
Change of SMC phenotype from contractile to secretory with MMP production by SMC
Shi et al, 2011 [71]High WSSInitiation of CA formationIncreased PDGF and FGF-2 released from SMCs
Papadaki et al, 1998 [72]High WSSInitiation of CA formationIncreased tPA production
Fukada et al, 2015 [73]High WSSInitiation of CA formationIncreased NF-κB and COX-2

 

Table 2. Low Wall Shear Stress (WSS) and Cerebral Aneurysms (CAs): Summary of Hemodynamic Pattern, Growth Rate, and Vascular Wall Changes
 
ReferencesWSSGrowth patternVessel wall changes
EC: endothelial cell; ICAM: intercellular adhesion molecule; VCAM: vascular cell adhesion molecule; MMP: matrix metalloproteinase; PGI2: prostaglandin I2; tPA: tissue plasminogen activator; SMC: smooth muscle cell.
Tateshima et al, 2003 [92]Low WSSGrowth and expansion of CANot assessed
Shojma et al, 2004 [4]Low WSSGrowth and expansion of CANot assessed
Boussel et al, 2008 [94]Low WSSGrowth and expansion of CADisorganization of endothelium, increased production of vasoconstrictive and inflammatory agents
Increased apoptosis of ECs
Skodvin et al, 2017 [95]Low WSSGrowth and expansion of CANot assessed
Turjman et al, 2014 [96]Low WSSGrowth and expansion of CAReorganized ECs with cuboidal shape; promoted thrombosis and leukocyte adhesion
Ross et al, 1976 [97]Low WSSGrowth and expansion of CASMC proliferation and migration
Thrombus formation
Malek et al, 1999 [114]Low WSSGrowth and expansion of CAEndothelial cell upregulation of ICAM, VCAM, interleukin-1, reactive oxygen species
Qiu et al, 2017 [115]Low WSSGrowth and expansion of CAIncreased inflammatory cell infiltration
Galis et al, 2002 [116]Low WSSGrowth and expansion of CAMMP production by macrophages
Lu et al, 2011 [117]Low WSSGrowth and expansion of CADecreased production of PGI2, leading to atherosclerotic changes; increased oxidative stress
Zhou et al, 2017 [118]Low WSSGrowth and expansion of CAIncreased selectin-mediated leukocyte rolling
Papadaki et al, 1998 [72]Low WSSGrowth and expansion of CADecreased tPA production
Chiu et al, 2011 [119]Low WSSGrowth and expansion of CAIncreased reactive oxygen species formation