Beneficial effects of a combination of natural product activators of autophagy on endothelial cells and platelets.
autophagy
cardiovascular diseases
endothelial cells
oxidative stress
platelets
Journal
British journal of pharmacology
ISSN: 1476-5381
Titre abrégé: Br J Pharmacol
Pays: England
ID NLM: 7502536
Informations de publication
Date de publication:
05 2021
05 2021
Historique:
revised:
16
01
2021
received:
29
07
2020
accepted:
18
01
2021
pubmed:
30
1
2021
medline:
6
7
2021
entrez:
29
1
2021
Statut:
ppublish
Résumé
Oxidative stress and insufficient autophagy activity are associated with inflammatory processes and are common features of many cardiovascular diseases (CVDs). We investigated if a combination of natural activators of autophagy could modulate oxidative stress, platelet aggregation and endothelial cell survival and function in response to stress. Ex vivo platelet aggregation and activation, H Autophagy appeared to be inhibited, whereas aggregation was increased in platelets from AF and MetS patients and in smokers, as compared with healthy subjects. Treatment of platelets isolated from these patients with a mixture composed of trehalose, spermidine, catechin and epicatechin (Mix1) or with a mixture composed of trehalose, spermidine and nicotinamide (Mix2), significantly reduced platelet activation and oxidative stress, and increased autophagy, compared with the effect of each compound alone. Similarly, treatment of HUVECs with a combination of these compounds exhibited beneficial effects and increased endothelial cell survival, nitric oxide bioavailability and angiogenesis in response to stress in a potentiated manner. A combination of natural activators of autophagy could inhibit platelet activity and oxidative stress and improve endothelial cell survival and function in a potentiated manner representing a useful strategy to reduce the effect of risk factors on CVD occurrence. This article is part of a themed issue on Cellular metabolism and diseases. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v178.10/issuetoc.
Sections du résumé
BACKGROUND AND PURPOSE
Oxidative stress and insufficient autophagy activity are associated with inflammatory processes and are common features of many cardiovascular diseases (CVDs). We investigated if a combination of natural activators of autophagy could modulate oxidative stress, platelet aggregation and endothelial cell survival and function in response to stress.
EXPERIMENTAL APPROACH
Ex vivo platelet aggregation and activation, H
KEY RESULT
Autophagy appeared to be inhibited, whereas aggregation was increased in platelets from AF and MetS patients and in smokers, as compared with healthy subjects. Treatment of platelets isolated from these patients with a mixture composed of trehalose, spermidine, catechin and epicatechin (Mix1) or with a mixture composed of trehalose, spermidine and nicotinamide (Mix2), significantly reduced platelet activation and oxidative stress, and increased autophagy, compared with the effect of each compound alone. Similarly, treatment of HUVECs with a combination of these compounds exhibited beneficial effects and increased endothelial cell survival, nitric oxide bioavailability and angiogenesis in response to stress in a potentiated manner.
CONCLUSION AND IMPLICATIONS
A combination of natural activators of autophagy could inhibit platelet activity and oxidative stress and improve endothelial cell survival and function in a potentiated manner representing a useful strategy to reduce the effect of risk factors on CVD occurrence.
LINKED ARTICLES
This article is part of a themed issue on Cellular metabolism and diseases. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v178.10/issuetoc.
Substances chimiques
Biological Products
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2146-2159Informations de copyright
© 2021 The British Pharmacological Society.
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