Table 2.
Pivotal studies identifying the role of shear stress and perivascular adipose tissue. The references represent the progression in the text according to those reported in the PRISMA flowchart.
First Author/Year Ref | Type of Study | Cohort | Aims | Findings |
---|---|---|---|---|
Shindo et al. 2016 Arterioscler Thromb Vasc Biol [51] |
Mouse model | Mouse Lipus Vs Mouse non Lipus |
LIPUS implicated in amelioration of LV remodeling after IMA. Elucidate the underlying molecular mechanisms involved in the beneficial effects of LIPUS. | LIPUS therapy ameliorates post-myocardial infarction LV remodeling in mice in vivo. Increased vascular endothelial growth factor signaling |
Hatanaka et al. 2016 Am J Physiol Cell Physiol [52] |
Human model | HUVECs Vs HUVECs Knockdown of caveolin-1 or β1-integrin |
Effects of SW irradiation on intracellular signaling pathways in vitro to induce myocardial angiogenesis | Activation of caveolin-1 and β1-integrin, and subsequent phosphorylation of Erk and Akt play crucial roles in the SW-induced angiogenesis. |
Friederich-Persson et al. 2017 Arterioscler Thromb Vasc Biol [53] |
Rat model | Wild-type Nox4−/− |
Regulatory role and vasoprotective effects of BAT | BAT, via Nox4-derived hydrogen peroxide, induces cyclic GMP-dependent protein kinase G type-1α activation, resulting in reduced vascular contractility |
Burgoyne et al. 2007 Science [54] |
Mice model | SM22+, Nox5+, Nox5+/SM22+ † WT |
Whether concentration of oxydants in cells can regulate biochemical signaling mechanisms | Oxydants lead to cGMP-independent vasorelaxation in the cardiovascular system. H2O2 can operate as an endothelium-derived hyperpolarizing factor |
Prysyazhna et al. 2012 Nat Med. 2012 [55] |
Mice model | WT KI |
Importance of PKGI-α oxidation in the EDHF mechanism and blood pressure control in vivo | C42S ‘redox-dead’ version of PKGI-α blocked the vasodilatory action of H2O2 on resistance vessels resulting in hypertension in vivo. |
Noblet et al. 2015 Arterioscler Thromb Vasc Biol [56] |
Suine model | Ossabaw swine obese vs. lean |
Effects of lean and obese coronary PVAT on coronary vasodilation | Lean and obese coronary PVAT attenuates vasodilation via inhibitory effects on vascular smooth muscle K (+) channels. Calpastatin initiate or lead to progression of smooth muscle dysfunction in obesity. |
Dou et al. 2017 Arterioscler Thromb Vasc [57] |
Human model | AT-RAA (N = 74) AT-Mediastianal (n = 74) |
AT-expressed ADAM17 activation in development of coronary microvascular dysfunction in obesity. | Aging and obesity decrease caveolin-1 expression. Increased vascular endothelial ADAM17 activity and soluble TNF release in AT |
Candela et al. 2017 [58] Arterioscler Thromb Vasc |
Mice model | Mice obese vs. lean | Role of macrophages in determining vascular [H2S] and vasodilatation | Vascular H2S depletion sustains the loss of perivascular adipose tissue anticontractile function in obesity. |
Xia et al. 2016 Arterioscler Thromb Vasc Bio [59] |
Mice model | C57BL/6J fat diet with or without PVAT | Contribution of PVAT to vascular dysfunction. | Diet-induced obesity leads to l-arginine deficiency and eNOS uncoupling in PVAT |
Bussey et al. 2018 Arterioscler Thromb Vasc Biol [60] |
Rat Model | Mesenteric arteries with and without PVAT from control | PVAT function after weight loss induced by caloric restriction | Diet-induced weight loss reverses obesity-induced PVAT damage due to reduced inflammation and increased nitric oxide synthase activity within PVAT |
Abbreviations: Akt = protein kinase, AT = adipose tissue, ADAM17 = Tumour necrosis factor-α [TNF]-converting enzyme, BAT = brown adipose tissue, cGMP = guanosine 3′,5′-monophosphate, Cav-1 = caveolin-1, EDHF = Endothelium-derived hyperpolarizing factor, eNOS = endothelial NOS, Erk = extracellular signal-regulated kinase, H2O2 = hydrogen peroxide, H2S = hydrogen sulphide, HDF = high-fat diet, LIPUS = low-intensity pulsed ultrasound, LV = left ventricular, PKGIα = protein kinase G I-α, PVAT = perivascular adipose tissue, OS = reactive oxygen species, RAA = right atrial appendance, TNF = tumour necrosis factor, HUVEC = umbilical vein endothelial cell, WT = wild type.