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Table 2 Macrophages polarization in the treatment of aortic aneurysm

From: Diverse roles of macrophage polarization in aortic aneurysm: destruction and repair

Agents

Experiment model

Pathway/key regulators

Treatment effect

References

Everolimus

AngII-induced AA in ApoE−/− mice

Bone marrow development of Ly6C + CCR2 + (inflammatory) monocytes

Decrease aortic dilatation

Moran et al. [25]

EDPs

CaCl2 induced AA in C57BL/6 mice

Modulating M1/M2 macrophage polarization

Promote AA

Dale et al. [28]

D-series resolvins

Elastase-induced AA in C57/B6 mice

AngII-infused ApoE−/− mice

Increasing M2 macrophage polarization

Decrease in MMPs

Attenuated AA formation and progression

Pope et al. [27]

Tregs

AngII-induced AA in ApoE−/− mice

Downregulated macrophage type 1–related genes and upregulated macrophage type 2–related genes

Declined proinflammatory cytokine expression and MMP-2 and MMP-9 levels and enhanced anti-inflammatory cytokine expression

Meng et al. [29]

BM-MSCs

AngII-induced AA in ApoE−/− mice

BM-MSC inhibited infiltration of M1 macrophages and preserved the construction of elastin

Decrease vascular inflammation

Prevent AA expansion

Yamawaki-Ogata et al. [31]

IL-1β

TNF-α

CaCl2 induced AA in C57BL/6 mice

TNF-α deletion but not IL-1β deletion, inhibited M1 macrophage polarization

Infusion of M1 polarized TNF-α−/− macrophages inhibited aortic diameter growth

Batra et al. [23]

CD31 agonist P8RI

AngII-induced AA in ApoE−/− mice

CD31 signaling promotes the switching of proinflammatory macrophages to the reparative phenotype

Promoting the resolution of intramural hematoma and the production of collagen in dissected aortas

Andreata et al. [18]

EPA and DHA

AngII-induced AA in ApoE−/− mice

Promote macrophage polarization toward the M2 phenotype

Inhibited aortic inflammation, degeneration and macrophage infiltration

Yoshihara et al. [26]

  1. AngII angiotensin II, AA aortic aneurysm, ApoE apolipoprotein E, MMP matrix metalloproteinase, Tregs regulatory T cells, BM-MSC bone marrow derived mesenchymal stem cells, IL-1β interleukin-1β, TNF-α tumor necrosis factor-α, EPA eicosapntemacnioc acid, DHA docosahexaenoic acid