Impact of Boldine Treatment on Hypertrophy and Lipid Peroxidation in the Right Ventricle Subjected to Experimental Adrenergic Overstimulation.

IF 2.6 4区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS
Elissa Kerli Fernandes, Patrick Türck, Cristina Campos Carraro, Victor de Mello Palma, Gabriel de Lima Rosa, Adriana Simon Coitinho, Fernanda Visioli, Adriane Belló-Klein, Alexandre Luz de Castro, Alex Sander da Rosa Araujo
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引用次数: 0

Abstract

Abstract: Adrenergic overstimulation is detrimental to the left ventricle. However, its effects on the right ventricle (RV) are not clear. Because adrenergic overload increases metabolic demand and oxidative stress, boldine could be a therapeutic option in the treatment of cardiovascular disease because of its antioxidant role. This study aimed to investigate the impact of adrenergic overload on RV remodeling and the cardioprotective effect of boldine. Animals were divided into 4 groups: control (C), boldine (25 mg/kg i. P .) (B), isoproterenol (ISO) (5 mg/kg subcutaneously), and boldine+isoproterenol (B+ISO). Echocardiography, Fulton index (FI), histology, oxidative stress, inflammation, and β-adrenergic receptor (ADR) were analyzed. The diastolic parasternal length [C 0.698 (0.623-0.724) versus ISO 0.77 (0.73-0.81)], FI [C 0.268 (0.231-0.275) versus ISO 0.340 (0.280-0.353)], inflammatory infiltration (∼40%), and ADR [C 0.78 (0.71-0.84) versus ISO 1.74 (1.52-2.00)] were increased in the ISO group ( P < 0.05). Boldine treatment (B+ISO) reduced the FI [0.240 (0.228-0.263)], lipid peroxidation [2.07 (2.01-2.61)], and ADR [0.71(0.62-0.80)]. Boldine increased total SH levels in B+ISO [C 2.4 (1.78-2.71); ISO 4.01 (2.95-4.66) versus B+ISO 6.77(5.15-8.60)] ( P < 0.05). There was a positive correlation between lipid peroxidation and the FI, and a negative correlation between total SH and the FI ( P < 0.05). This is the first study to explore the effects of adrenergic overstimulation on RV and the protective effect of boldine. Such data pave the way for further research involving RV remodeling, such as in pulmonary hypertension, and a new therapeutic option.

波定治疗对实验性肾上腺素能过度刺激右心室肥厚和脂质过氧化的影响。
肾上腺素能过度刺激对左心室有害。然而,其对右心室(RV)的影响尚不清楚。由于肾上腺素能过载会增加代谢需求和氧化应激,由于其抗氧化作用,boldine可能是治疗心血管疾病的一种治疗选择。本研究旨在探讨肾上腺素能超负荷对右心室重构的影响及胆碱的心脏保护作用。将动物分为4组:对照组(C)、boldine组(25 mg/kg口服)(B)、异丙肾上腺素组(5 mg/kg皮下注射)(ISO)和boldine+异丙肾上腺素组(B+ISO)。分析超声心动图、富尔顿指数、组织学、氧化应激、炎症、β-肾上腺素能受体(ADR)。ISO组舒张期胸骨旁长度[C 0.698 (0.623-0.724) vs ISO 0.77(0.73-0.81)]、Fulton指数[C 0.268 (0.231-0.275) vs ISO 0.340(0.280-0.353)]、炎症浸润(~ 40%)和ADR [C 0.78 (0.71-0.84) vs ISO 1.74(1.52-2.00)]均增加(P < 0.05)
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来源期刊
CiteScore
5.10
自引率
3.30%
发文量
367
审稿时长
1 months
期刊介绍: Journal of Cardiovascular Pharmacology is a peer reviewed, multidisciplinary journal that publishes original articles and pertinent review articles on basic and clinical aspects of cardiovascular pharmacology. The Journal encourages submission in all aspects of cardiovascular pharmacology/medicine including, but not limited to: stroke, kidney disease, lipid disorders, diabetes, systemic and pulmonary hypertension, cancer angiogenesis, neural and hormonal control of the circulation, sepsis, neurodegenerative diseases with a vascular component, cardiac and vascular remodeling, heart failure, angina, anticoagulants/antiplatelet agents, drugs/agents that affect vascular smooth muscle, and arrhythmias. Appropriate subjects include new drug development and evaluation, physiological and pharmacological bases of drug action, metabolism, drug interactions and side effects, application of drugs to gain novel insights into physiology or pathological conditions, clinical results with new and established agents, and novel methods. The focus is on pharmacology in its broadest applications, incorporating not only traditional approaches, but new approaches to the development of pharmacological agents and the prevention and treatment of cardiovascular diseases. Please note that JCVP does not publish work based on biological extracts of mixed and uncertain chemical composition or unknown concentration.
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