The cardioprotective role of naringin has been scientifically well demonstrated in various experimental models such as diabetic cardiomyopathy, ischemic heart diseases, diet-induced cardiac injury, antihypertensive and anti-platelet activities through various mechanisms. However, there is no meta-analysis performed on the cardioprotective activity of naringin. This systematic review and meta-analysis were focused to summarize and conclude the therapeutic benefits of naringin in various cardiovascular disorders using pre-clinical evidence. The online search was performed using electronic databases such as PubMed/Medline, Scopus, ScienceDirect, and Google scholar. The search was mainly focused on the role of naringin in various cardiovascular disorders in experimental animals. Based on the inclusion and exclusion criteria 34 studies were selected. The meta-analysis revealed that naringin could significantly alleviate various physical and chemical stimuli induced cardiovascular disorders such as diabetic cardiomyopathy, ischemic heart diseases, oxidative stress-induced cardiac injury, diet-induced cardiovascular dysfunctions in experimental models involving multiple mechanisms such as antioxidant (ROS/RNS pathways), anti-inflammatory (COX-2, IL-6, TNF-α, NF-κB pathways), enhancing angiogenic factors (VEGF, VCAM, HIF-1α, iNO), suppressing the apoptotic factors (BCL-2, BAX, caspases) and modulation of PCSK-9, PKCα/β, PPAR-α, JAK/STAT, MAPKs (p38α, ERK1/2, JNK), and PI3K/AKT/mTOR/p70S6K associated pathways. Further, these changes at the cellular and molecular levels were manifested as improvement in the structural, functional, and physiology of the heart upon the naringin treatment. In conclusion, this systematic review and meta-analysis support the available scientific evidence on the therapeutic benefits of naringin in the management of various cardiovascular conditions.
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