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Browning of perivas...
Browning of perivascular adipose tissue prevents vascular dysfunction and reduces hypertension in angiotensin II-infused mice
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- Persson, Patrik (författare)
- Uppsala universitet,Integrativ Fysiologi,Fredrik Palm
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- Marchetti, Micol (författare)
- Uppsala universitet,Integrativ Fysiologi
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- Friederich-Persson, Malou, 1983- (författare)
- Uppsala universitet,Integrativ Fysiologi,Fredrik Palm
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(creator_code:org_t)
- American Physiological Society, 2023
- 2023
- Engelska.
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Ingår i: American Journal of Physiology. Regulatory Integrative and Comparative Physiology. - : American Physiological Society. - 0363-6119 .- 1522-1490. ; 325:3, s. R290-R298
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Hypertension is a world-leading cause of cardiovascular disease and premature deaths. Vascular tone is in part regulated by perivascular adipose tissue (PVAT) that releases pro and anticontractile factors. In hypertension, dysfunctional PVAT is observed and studies have indicated a causal relationship between dysfunctional PVAT and vascular damage in hypertension. The phenotype of PVAT on resistance vessels is primarily white adipose tissue. The present study investigates the impact of a changed phenotype, i.e., browning of PVAT, on vascular function and the development of hypertension. Browning was induced by β3-adrenergic agonist in control and angiotensin II-induced hypertensive mice. Studied parameters included blood pressure by tail-cuff plethysmography and vascular function by wire myography. Browning was confirmed through an immunohistochemical and gene analysis approach. The anticontractile effect of PVAT is lost in untreated hypertensive mice and vascular tone and blood pressure are increased. Browning of PVAT resulted in a maintained anticontractile effect, improved endothelial function, and reduced development of hypertension. Phenotype of PVAT is a major determinant of PVAT health during hypertensive conditions. Our data clearly demonstrates that browning of PVAT, i.e. changing the phenotype of PVAT, protects the vascular function and counteract the development of hypertension. This study provides novel insights into how PVAT can be protected in pathologies and thus limit the development of hypertension.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
Nyckelord
- 243
- CL-316
- arterial blood pressure
- beige adipose tissue
- cardiovascular disease
- perivascular phenotype
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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