Beneficial effects of a combination of natural product activators of autophagy on endothelial cells and platelets

被引:21
作者
Carnevale, Roberto [1 ,2 ]
Nocella, Cristina [3 ]
Schiavon, Sonia [1 ]
Cammisotto, Vittoria [4 ]
Cotugno, Maria [5 ]
Forte, Maurizio [5 ]
Valenti, Valentina [6 ]
Marchitti, Simona [5 ]
Vecchio, Daniele [1 ]
Biondi Zoccai, Giuseppe [1 ,2 ]
Rubattu, Speranza [5 ,7 ]
Martinelli, Ombretta [8 ]
Pignatelli, Pasquale [2 ,3 ]
Violi, Francesco [2 ,3 ]
Volpe, Massimo [5 ,7 ]
Versaci, Francesco [6 ]
Frati, Luigi [5 ]
Frati, Giacomo [1 ,5 ]
Sciarretta, Sebastiano [5 ,9 ,10 ]
机构
[1] Sapienza Univ Rome, Dept Med Surg Sci & Biotechnol, I-04100 Latina, Italy
[2] Mediterranea Cardioctr Napoli, Naples, Italy
[3] Sapienza Univ Rome, Dept Clin Internal Anestesiol & Cardiovasc Sci, Rome, Italy
[4] Sapienza Univ Rome, Dept Gen Surg & Surg Special Paride Stefanini, Rome, Italy
[5] IRCCS Neuromed, Dept Angiocardioneurol, Pozzilli, Italy
[6] Osped Santa Maria Goretti, Dept Cardiol, Latina, Italy
[7] Sapienza Univ Rome, Sch Med & Psychol, Clin & Mol Med, Rome, Italy
[8] Sapienza Univ Rome, Dept Paride Stefanini, Unit Vasc Surg, Rome, Italy
[9] Sapienza Univ Rome, Ist Pasteur Italia, Fdn Cenci Bolognetti, I-04100 Latina, Italy
[10] Sapienza Univ Rome, Dept Med Surg Sci & Biotechnol, I-04100 Latina, Italy
关键词
autophagy; cardiovascular diseases; endothelial cells; oxidative stress; platelets;
D O I
10.1111/bph.15399
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
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, H2O2 production and autophagy were measured in platelets of subjects at high cardiovascular risk, including smokers, patients with metabolic syndrome (MetS) and patients with atrial fibrillation (AF). In vitro, the effects of a mixture of natural pro-autophagy molecules and antioxidants on platelets and human umbilical vein endothelial cells (HUVECs) were evaluated. 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.
引用
收藏
页码:2146 / 2159
页数:14
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