Abstract
Purpose of Review
To describe the important role played by innate and innate-like immunity in the pathophysiology of hypertension and vascular injury.
Recent Findings
Innate immune cells, such as neutrophils, dendritic cells, myeloid-derived suppressor cells, and monocytes/macrophages and innate lymphoid cells such as natural killer cells and unconventional T lymphocytes like γδ T cells contribute to hypertensive mechanisms by priming adaptive immune cells, leading to the triggering of vascular inflammation and blood pressure elevation or alternatively protecting against vascular injury. Specifically, monocyte/macrophages and γδ T cells seem to play a crucial role in the initiation of hypertension via regulation of adaptive immunity.
Summary
Innate and innate-like immunity play a leading role in the pathophysiology of hypertension. Recent advances in this field provide us clues for future therapeutic approaches.
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Abbreviations
- B7:
-
Co-stimulatory molecule on antigen-presenting cell surface (CD80 or CD86)
- CD28:
-
Cluster of differentiation 28
- CNS:
-
Central nervous system
- MHC II:
-
Major histocompatibility complex II
- TCR:
-
T cell receptor
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Papers of particular interest, published recently, have been highlighted as: • Of importance •• Of major importance
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Funding
The authors’ work was supported by the Canadian Institutes of Health Research (CIHR) grants 102606 and 123465, CIHR First Pilot Foundation Grant 143348, a Tier 1 Canada Research Chair (CRC) on Hypertension and Vascular Research by the CRC Government of Canada/CIHR Program, by the Canada Fund for Innovation (all to ELS), and by a fellowship to AC (Canadian Vascular Network).
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Dr. Schiffrin reports grants from Canadian Institutes of Health Research and Servier France, personal fees from Novartis USA, and Servier Canada, outside the submitted work. The other authors declare no conflicts of interest relevant to this manuscript.
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Higaki, A., Caillon, A., Paradis, P. et al. Innate and Innate-Like Immune System in Hypertension and Vascular Injury. Curr Hypertens Rep 21, 4 (2019). https://doi.org/10.1007/s11906-019-0907-1
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DOI: https://doi.org/10.1007/s11906-019-0907-1