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Devi V, Deswal G, Dass R, Chopra B, Kriplani P, Grewal AS, Guarve K, Dhingra AK. Therapeutic Potential and Clinical Effectiveness of Quercetin: A Dietary Supplement. RECENT ADVANCES IN FOOD, NUTRITION & AGRICULTURE 2024; 15:13-32. [PMID: 38258783 DOI: 10.2174/012772574x269376231107095831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/25/2023] [Accepted: 10/10/2023] [Indexed: 01/24/2024]
Abstract
Fruits and vegetables (like apples, citrus, grapes, onions, parsley, etc.) are the primary dietary sources of quercetin. In addition, isolated quercetin is also available on the market as a dietary supplement with a daily dose of up to 1000 mg/d. The objective of the present study is to explore the therapeutic potential and clinical efficacy of quercetin as a dietary supplement. The present paper highlights the safety parameters and clinical trial studies with several targets reviewed from the data available on PubMed, Science Direct, ClinicalTrails. gov, and from many reputed foundations. The results of the studies prove the unique position of quercetin in the treatment of various disorders and the possibility of using phytochemicals such as quercetin for an efficient cure. As evidenced by the numerous published reports on human interventions, it has been concluded that quercetin intake significantly improves disease conditions with minimal adverse effects.
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Affiliation(s)
- Vishakha Devi
- Department of Pharmacy, Guru Gobind Singh College of Pharmacy, Yamuna Nagar-135001, Haryana, India
| | - Geeta Deswal
- Department of Pharmacy, Guru Gobind Singh College of Pharmacy, Yamuna Nagar-135001, Haryana, India
| | - Rameshwar Dass
- Department of Pharmacy, Guru Gobind Singh College of Pharmacy, Yamuna Nagar-135001, Haryana, India
| | - Bhawna Chopra
- Department of Pharmacy, Guru Gobind Singh College of Pharmacy, Yamuna Nagar-135001, Haryana, India
| | - Priyanka Kriplani
- Department of Pharmacy, Guru Gobind Singh College of Pharmacy, Yamuna Nagar-135001, Haryana, India
| | - Ajmer Singh Grewal
- Department of Pharmacy, Guru Gobind Singh College of Pharmacy, Yamuna Nagar-135001, Haryana, India
| | - Kumar Guarve
- Department of Pharmacy, Guru Gobind Singh College of Pharmacy, Yamuna Nagar-135001, Haryana, India
| | - Ashwani K Dhingra
- Department of Pharmacy, Guru Gobind Singh College of Pharmacy, Yamuna Nagar-135001, Haryana, India
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Chen YQ, Chen HY, Tang QQ, Li YF, Liu XS, Lu FH, Gu YY. Protective effect of quercetin on kidney diseases: From chemistry to herbal medicines. Front Pharmacol 2022; 13:968226. [PMID: 36120321 PMCID: PMC9478191 DOI: 10.3389/fphar.2022.968226] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022] Open
Abstract
Kidney injuries may trigger renal fibrosis and lead to chronic kidney disease (CKD), but effective therapeutic strategies are still limited. Quercetin is a natural flavonoid widely distributed in herbal medicines. A large number of studies have demonstrated that quercetin may protect kidneys by alleviating renal toxicity, apoptosis, fibrosis and inflammation in a variety of kidney diseases. Therefore, quercetin could be one of the promising drugs in the treatment of renal disorders. In the present study, we review the latest progress and highlight the beneficial role of quercetin in kidney diseases and its underlying mechanisms. The pharmacokinetics and bioavailability of quercetin and its proportion in herbal medicine will also be discussed.
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Affiliation(s)
- Yi-Qin Chen
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hao-Yin Chen
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qin-Qi Tang
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yi-Fan Li
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xu-Sheng Liu
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fu-Hua Lu
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Fu-Hua Lu, ; Yue-Yu Gu,
| | - Yue-Yu Gu
- Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Pharmacology, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Fu-Hua Lu, ; Yue-Yu Gu,
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Modzelewska B, Drygalski K, Hady HR, Kiełczewska A, Chomentowski A, Koryciński K, Głuszyńska P, Kleszczewski T. Resveratrol Relaxes Human Gastric Smooth Muscles Through High Conductance Calcium-Activated Potassium Channel in a Nitric Oxide-independent Manner. Front Pharmacol 2022; 13:823887. [PMID: 35145416 PMCID: PMC8822120 DOI: 10.3389/fphar.2022.823887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 01/03/2022] [Indexed: 11/25/2022] Open
Abstract
Resveratrol, as a polyphenolic compound that can be isolated from plants, and also a component of red wine has broad beneficial pharmacological properties. The aim was to investigate the role of nitric oxide and potassium channels in resveratrol-induced relaxation of human gastric smooth muscle. Gastric tissues were obtained from patients who underwent sleeve gastrectomy for severe obesity (n = 10 aged 21–48; BMI 48.21 ± 1.14). The mechanical activity from the muscle strips was detected under isometric conditions as the response to increasing concentrations of resveratrol before and after different pharmacological treatments. Resveratrol caused an observable, dose-dependent gastric muscle relaxation. The maximal response caused by the highest concentration of resveratrol was 83.49 ± 2.85% (p < 0.0001) of the control. Preincubation with L-NNA, L-NAME, or ODQ did not prevent the resveratrol-induced relaxation. Apamin, glibenclamide, 4AP or tamoxifen, did not inhibit the relaxing effect of resveratrol, as well. In turn, blocking BKCa by TEA, iberiotoxin, or charybdotoxin resulted in inhibition of resveratrol-induced relaxation (91.08 ± 2.07, p < 0.05; 95.60 ± 1.52, p < 0.01 and 89.58 ± 1.98, p < 0.05, respectively). This study provides the first observation that the relaxant effects of resveratrol in human gastric muscle strips occur directly through BKCa channels and independently of nitric oxide signaling pathways. Furthermore, there is considerable potential for further extensive clinical studies with resveratrol as an effective new drug or health supplement to treat gastrointestinal dyspepsia and other gastric hypermotility disorders.
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Affiliation(s)
- Beata Modzelewska
- Department of Biophysics, Faculty of Medicine, Medical University of Bialystok, Bialystok, Poland
- *Correspondence: Beata Modzelewska,
| | - Krzysztof Drygalski
- Department of Biophysics, Faculty of Medicine, Medical University of Bialystok, Bialystok, Poland
- Clinical Research Center, Medical University of Bialystok, Bialystok, Poland
| | - Hady Razak Hady
- Clinical Department of General and Endocrine Surgery, Medical University of Bialystok, Bialystok, Poland
| | - Aleksandra Kiełczewska
- Department of Biophysics, Faculty of Medicine, Medical University of Bialystok, Bialystok, Poland
| | - Andrzej Chomentowski
- Department of Biophysics, Faculty of Medicine, Medical University of Bialystok, Bialystok, Poland
| | - Krzysztof Koryciński
- Department of Biophysics, Faculty of Medicine, Medical University of Bialystok, Bialystok, Poland
| | - Paulina Głuszyńska
- Clinical Department of General and Endocrine Surgery, Medical University of Bialystok, Bialystok, Poland
| | - Tomasz Kleszczewski
- Department of Biophysics, Faculty of Medicine, Medical University of Bialystok, Bialystok, Poland
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Modzelewska B, Drygalski K, Kleszczewski T, Chomentowski A, Koryciński K, Kiełczewska A, Pawłuszewicz P, Razak Hady H. Quercetin relaxes human gastric smooth muscles directly through ATP-sensitive potassium channels and not depending on the nitric oxide pathway. Neurogastroenterol Motil 2021; 33:e14093. [PMID: 33528064 PMCID: PMC8365708 DOI: 10.1111/nmo.14093] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 01/04/2021] [Accepted: 01/12/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND Quercetin has recently become a remarkably popular subject of research due to its broad beneficial pharmacological properties. The goal of our study was to observe its effects on contractility of human gastric smooth muscles in reference to the NO pathway and direct influence of potassium channels. METHODS Tissues were obtained from patients undergoing sleeve gastrectomy due to morbid obesity (n = 10 aged 24-56; BMI 47.16 ± 1.84). The following parameters were evaluated in the recordings: area under the curve (AUC), average baseline muscle tone, and relative change in muscle contraction. KEY RESULTS Quercetin induced noticeable, dose-dependent relaxation of the carbachol treated gastric strips. The substantial effect was noted at concentrations higher than 10-7 mol/L and maximal at 10-4 mol/L (81.82 ± 3.32%; n = 10; p < 0.0001) of the control. Neither NOS blockers nor guanylyl cyclase blockers had inhibitory effects on the relaxation of strips induced by examined polyphenol. Glibenclamide inhibited the relaxing effect of quercetin, significant at concentrations higher than 5⋅10-5 mol/L. Preincubation with charybdotoxin or apamin extended the relaxing effect of quercetin (from 10-6 mol/L). Tamoxifen, in turn, significantly increased muscle relaxation at all quercetin concentrations. CONCLUSIONS & INFERENCES In conclusion, the current study was the first to show that quercetin-induced relaxation of human gastric smooth muscle occurs directly through K+ATP channels and independently to NO pathways. The present results suggest that quercetin is a potential nutraceutical in the treatment of functional gastrointestinal dyspepsia and other minor gastric muscle motility disturbance.
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Affiliation(s)
- Beata Modzelewska
- Department of BiophysicsMedical University of BiałystokBiałystokPoland
| | | | | | | | | | | | - Patrycja Pawłuszewicz
- Clinical Department of General and Endocrine SurgeryMedical University of BiałystokBiałystokPoland
| | - Hady Razak Hady
- Clinical Department of General and Endocrine SurgeryMedical University of BiałystokBiałystokPoland
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Dagher O, Mury P, Thorin-Trescases N, Noly PE, Thorin E, Carrier M. Therapeutic Potential of Quercetin to Alleviate Endothelial Dysfunction in Age-Related Cardiovascular Diseases. Front Cardiovasc Med 2021; 8:658400. [PMID: 33860002 PMCID: PMC8042157 DOI: 10.3389/fcvm.2021.658400] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/05/2021] [Indexed: 12/12/2022] Open
Abstract
The vascular endothelium occupies a catalog of functions that contribute to the homeostasis of the cardiovascular system. It is a physically active barrier between circulating blood and tissue, a regulator of the vascular tone, a biochemical processor and a modulator of coagulation, inflammation, and immunity. Given these essential roles, it comes to no surprise that endothelial dysfunction is prodromal to chronic age-related diseases of the heart and arteries, globally termed cardiovascular diseases (CVD). An example would be ischemic heart disease (IHD), which is the main cause of death from CVD. We have made phenomenal advances in treating CVD, but the aging endothelium, as it senesces, always seems to out-run the benefits of medical and surgical therapies. Remarkably, many epidemiological studies have detected a correlation between a flavonoid-rich diet and a lower incidence of mortality from CVD. Quercetin, a member of the flavonoid class, is a natural compound ubiquitously found in various food sources such as fruits, vegetables, seeds, nuts, and wine. It has been reported to have a wide range of health promoting effects and has gained significant attention over the years. A growing body of evidence suggests quercetin could lower the risk of IHD by mitigating endothelial dysfunction and its risk factors, such as hypertension, atherosclerosis, accumulation of senescent endothelial cells, and endothelial-mesenchymal transition (EndoMT). In this review, we will explore these pathophysiological cascades and their interrelation with endothelial dysfunction. We will then present the scientific evidence to quercetin's anti-atherosclerotic, anti-hypertensive, senolytic, and anti-EndoMT effects. Finally, we will discuss the prospect for its clinical use in alleviating myocardial ischemic injuries in IHD.
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Affiliation(s)
- Olina Dagher
- Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.,Department of Surgery, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.,Center for Research, Montreal Heart Institute, Montreal, QC, Canada
| | - Pauline Mury
- Center for Research, Montreal Heart Institute, Montreal, QC, Canada
| | | | - Pierre Emmanuel Noly
- Department of Surgery, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.,Center for Research, Montreal Heart Institute, Montreal, QC, Canada
| | - Eric Thorin
- Department of Surgery, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.,Center for Research, Montreal Heart Institute, Montreal, QC, Canada
| | - Michel Carrier
- Department of Surgery, Faculty of Medicine, Université de Montréal, Montreal, QC, Canada.,Center for Research, Montreal Heart Institute, Montreal, QC, Canada
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Casanova AG, Prieto M, Colino CI, Gutiérrez-Millán C, Ruszkowska-Ciastek B, de Paz E, Martín Á, Morales AI, López-Hernández FJ. A Micellar Formulation of Quercetin Prevents Cisplatin Nephrotoxicity. Int J Mol Sci 2021; 22:E729. [PMID: 33450917 PMCID: PMC7828436 DOI: 10.3390/ijms22020729] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/10/2021] [Accepted: 01/11/2021] [Indexed: 12/18/2022] Open
Abstract
The antioxidant flavonoid quercetin has been shown to prevent nephrotoxicity in animal models and in a clinical study and is thus a very promising prophylactic candidate under development. Quercetin solubility is very low, which handicaps clinical application. The aim of this work was to study, in rats, the bioavailability and nephroprotective efficacy of a micellar formulation of Pluronic F127-encapsulated quercetin (P-quercetin), with improved hydrosolubility. Intraperitoneal administration of P-quercetin leads to an increased plasma concentration and bioavailability of quercetin compared to the equimolar administration of natural quercetin. Moreover, P-quercetin retains overall nephroprotective properties, and even slightly improves some renal function parameters, when compared to natural quercetin. Specifically, P-quercetin reduced the increment in plasma creatinine (from 3.4 ± 0.5 to 1.2 ± 0.3 mg/dL) and urea (from 490.9 ± 43.8 to 184.1 ± 50.1 mg/dL) and the decrease in creatinine clearance (from 0.08 ± 0.02 to 0.58 ± 0.19 mL/min) induced by the nephrotoxic chemotherapeutic drug cisplatin, and it ameliorated histological evidence of tubular damage. This new formulation with enhanced kinetic and biopharmaceutical properties will allow for further exploration of quercetin as a candidate nephroprotector at lower dosages and by administration routes oriented towards its clinical use.
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Affiliation(s)
- Alfredo G. Casanova
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (A.G.C.); (M.P.); (C.I.C.); (C.G.-M.)
- Department of Physiology and Pharmacology, University of Salamanca, 37007 Salamanca, Spain
- Toxicology Unit, University of Salamanca, 37007 Salamanca, Spain
| | - Marta Prieto
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (A.G.C.); (M.P.); (C.I.C.); (C.G.-M.)
- Department of Physiology and Pharmacology, University of Salamanca, 37007 Salamanca, Spain
- Toxicology Unit, University of Salamanca, 37007 Salamanca, Spain
| | - Clara I. Colino
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (A.G.C.); (M.P.); (C.I.C.); (C.G.-M.)
- Area of Pharmacy and Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Salamanca, 37007 Salamanca, Spain
| | - Carmen Gutiérrez-Millán
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (A.G.C.); (M.P.); (C.I.C.); (C.G.-M.)
- Area of Pharmacy and Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Salamanca, 37007 Salamanca, Spain
| | - Barbara Ruszkowska-Ciastek
- Department of Pathophysiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-796 Bydgoszcz, Poland;
| | - Esther de Paz
- High Pressure Processes Group, BioEcoUVa, Bioeconomy Research Institute, Department of Chemical Engineering and Environmental Technology, University of Valladolid, 47011 Valladolid, Spain; (E.d.P.); (Á.M.)
| | - Ángel Martín
- High Pressure Processes Group, BioEcoUVa, Bioeconomy Research Institute, Department of Chemical Engineering and Environmental Technology, University of Valladolid, 47011 Valladolid, Spain; (E.d.P.); (Á.M.)
| | - Ana I. Morales
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (A.G.C.); (M.P.); (C.I.C.); (C.G.-M.)
- Department of Physiology and Pharmacology, University of Salamanca, 37007 Salamanca, Spain
- Toxicology Unit, University of Salamanca, 37007 Salamanca, Spain
| | - Francisco J. López-Hernández
- Institute of Biomedical Research of Salamanca (IBSAL), 37007 Salamanca, Spain; (A.G.C.); (M.P.); (C.I.C.); (C.G.-M.)
- Department of Physiology and Pharmacology, University of Salamanca, 37007 Salamanca, Spain
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Jiao X, Liu H, Lu Q, Wang Y, Zhao Y, Liu X, Liu F, Zuo Y, Wang W, Li Y. Study on the Mechanism of Prunella Vulgaris L on Diabetes Mellitus Complicated with Hypertension Based on Network Pharmacology and Molecular Docking Analyses. J Diabetes Res 2021; 2021:9949302. [PMID: 34692849 PMCID: PMC8536441 DOI: 10.1155/2021/9949302] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 08/14/2021] [Indexed: 12/16/2022] Open
Abstract
The role of traditional Chinese medicine Prunella vulagaris L in the treatment of tumors and inflammation has been widely confirmed. We found that some signaling pathways of Prunella vulgaris L action can also regulate diabetes and hypertension, so we decided to study the active ingredients, potential targets and signaling pathway of Prunrlla vulgaris L, and explore the "multi-target, multi-pathway" molecular mechanism of Prunella vulgaris L on diabetes mellitus complicated with hypertension(DH). Methods. Based on TCMSP(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform) and CNKI(China National Knowledge Infrastructure), the components and action targets related to Prunella vulgaris L were screened. The OMIM(Online Mendelian Inheritance in Man) and GeneCards (The human gene database) were used to search for targets related to DH. The "gene - drug - disease" relationship map was drawn by Cytoscape_v3.7.2 plug-in. The target was amplified by the STRING platform, and the "protein - protein" interaction relationship (PPI) network of the interacting target was obtained by the STRING online analysis platform and the Cytoscape_v3.7.2 plug-in. Finally, GO enrichment analysis and KEGG pathway enrichment analysis were conducted on David and Metascape platform to study the co-acting targets. Results. 11 active components, 41 key targets and 16 significant signaling pathways were identified from Prunella vulgaris L. The main active components of Prunella vulgaris L against DH were quercetin and kaumferol, etc, and potential action targets were IL-6 and INS, etc and signaling pathways were AGE-RAGE signaling pathway, TNF signaling pathway, MAPK signaling pathway, PI3K-AKT signaling pathway, etc. It involves in biological processes such as cell proliferation, apoptosis and inflammatory response. Conclusions. The main molecular mechanism of Prunella vulgaris L against DH is that sterols and flavonoids play an active role by affecting TNF signaling pathway, AGE-RAGE signaling pathway, MAPK pathway, PI3K-Akt pathway related targets such as IL-6 and INS.
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Affiliation(s)
- Xinyi Jiao
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Haiying Liu
- ChaYeKou Town Health Center of LaiWu District, Jinan, China
| | - Qinan Lu
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yu Wang
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yue Zhao
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xuemei Liu
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Fang Liu
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yaoyao Zuo
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Wenbo Wang
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yujie Li
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
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Huang H, Liao D, Dong Y, Pu R. Effect of quercetin supplementation on plasma lipid profiles, blood pressure, and glucose levels: a systematic review and meta-analysis. Nutr Rev 2020; 78:615-626. [PMID: 31940027 DOI: 10.1093/nutrit/nuz071] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
CONTEXT Clinical trials examining the cardiovascular protective effects of quercetin in humans have reported conflicting results. OBJECTIVE The aim of this systematic review was to summarize evidence of the effects of quercetin supplementation on plasma lipid profiles, blood pressure (BP), and glucose levels in humans by performing a meta-analysis of randomized controlled trials. DATA SOURCES MEDLINE, Embase, and Scopus databases were searched electronically from their inception to July 2018 to identify randomized controlled trials that assessed the impact of quercetin on lipid profiles, BP, and glucose levels. STUDY SELECTION Randomized controlled trials assessing the effects of quercetin or a standardized quercetin-enriched extract on plasma lipid profiles, BP, and glucose levels in humans were eligible for inclusion. DATA EXTRACTION A random-effects model was used for data analysis. Continuous variables were expressed as weighted mean differences (WMDs) and 95%CIs. Subgroup analyses were conducted to explore possible influences of study characteristics. Sensitivity analyses were also performed, as were analyses of publication bias. RESULTS Seventeen trials (n = 896 participants total) were included in the overall analysis. Pooled results showed that quercetin significantly lowered both systolic BP (WMD, -3.09 mmHg; 95%CI, -4.59 to -1.59; P = 0.0001) and diastolic BP (WMD, -2.86 mmHg; 95%CI, -5.09 to -0.63; P = 0.01). Neither lipid profiles nor glucose concentrations changed significantly. In subgroup analyses, significant changes in high-density lipoprotein cholesterol and triglycerides were observed in trials with a parallel design and in which participants consumed quercetin for 8 weeks or more. CONCLUSION Quercetin intake resulted in significantly decreased BP in humans. Moreover, participants who consumed quercetin for 8 weeks or more showed significantly changed levels of high-density lipoprotein cholesterol and triglycerides in trials with a parallel design.
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Affiliation(s)
- Haohai Huang
- Department of Clinical Pharmacy, Dongguan Third People's Hospital, Affiliated Dongguan Shilong People's Hospital of Southern Medical University, Dongguan, Guangdong, China
| | - Dan Liao
- Department of Gynaecology, Dongguan Third People's Hospital, Affiliated Dongguan Shilong People's Hospital of Southern Medical University, Dongguan, Guangdong, China
| | - Yong Dong
- Department of Oncology, Dongguan Third People's Hospital, Affiliated Dongguan Shilong People's Hospital of Southern Medical University, Dongguan, Guangdong, China
| | - Rong Pu
- Department of Laboratory, Dongguan Third People's Hospital, Affiliated Dongguan Shilong People's Hospital of Southern Medical University, Dongguan, Guangdong, China
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Sun X, Zhang S, Song H. Quercetin attenuates reduced uterine perfusion pressure -induced hypertension in pregnant rats through regulation of endothelin-1 and endothelin-1 type A receptor. Lipids Health Dis 2020; 19:180. [PMID: 32758232 PMCID: PMC7409636 DOI: 10.1186/s12944-020-01357-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 07/29/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Quercetin was reported to be crucial for a broad range of activities, including attenuating inflammation, platelet aggregation, capillary permeability, and lipid peroxidation. However, the effect of quercetin in hypertension during pregnancy, was not fully understood. METHODS The model of hypertension in pregnancy was established in rats by reduced uterine perfusion pressure (RUPP). Quercetin was administrated by gavage. Systolic blood pressure (SBP) and diastolic blood pressure (DBP) were measured using the CODA 6 BP system. Plasma concentrations of Endothelin-1 (ET-1), soluble fms-like tyrosine kinase-1 (sFlt-1), and vascular endothelial growth factor (VEGF) were detected using enzyme-linked immunosorbent assay kits. The mRNA and protein levels of ET-1 and endothelin-1 type A receptor (ETAR) were determined by RT-PCR and Western blotting. The ETAR antagonist BQ-123 was performed by osmotic minipumps. RESULTS In RUPP induced rats, quercetin treatment decreased SBP and DBP, fetal resorptions percentage, plasma ET-1 and sFlt-1 concentrations, ET-1 and ETAR levels, but increased fetal body weight and VEGF expression. BQ-123 administration attenuated SBP and DBP, suppressed fatal resorptions percentage, and increased fetal body weight of RUPP rats. CONCLUSION Quercetin attenuates RUPP induced hypertension in pregnant rats through the regulation of ET-1 and ETAR.
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Affiliation(s)
- Xia Sun
- Department of obstetrics, Qingdao Municipal Hospital, No. 5 Donghai Road, Qingdao, 266071, Shandong, China
| | - Shuping Zhang
- Department of obstetrics, Qingdao Municipal Hospital, No. 5 Donghai Road, Qingdao, 266071, Shandong, China.
| | - Haitao Song
- Department of obstetrics, Qingdao Municipal Hospital, No. 5 Donghai Road, Qingdao, 266071, Shandong, China.
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Quercetin Exerts Age-Dependent Beneficial Effects on Blood Pressure and Vascular Function, But Is Inefficient in Preventing Myocardial Ischemia-Reperfusion Injury in Zucker Diabetic Fatty Rats. Molecules 2020; 25:molecules25010187. [PMID: 31906454 PMCID: PMC6983107 DOI: 10.3390/molecules25010187] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 12/20/2019] [Accepted: 12/24/2019] [Indexed: 12/28/2022] Open
Abstract
Background: Quercetin (QCT) was shown to exert beneficial cardiovascular effects in young healthy animals. The aim of the present study was to determine cardiovascular benefits of QCT in older, 6-month and 1-year-old Zucker diabetic fatty (ZDF) rats (model of type 2 diabetes). Methods: Lean (fa/+) and obese (fa/fa) ZDF rats of both ages were treated with QCT for 6 weeks (20 mg/kg/day). Isolated hearts were exposed to ischemia-reperfusion (I/R) injury (30 min/2 h). Endothelium-dependent vascular relaxation was measured in isolated aortas. Expression of selected proteins in heart tissue was detected by Western blotting. Results: QCT reduced systolic blood pressure in both lean and obese 6-month-old rats but had no effect in 1-year-old rats. Diabetes worsened vascular relaxation in both ages. QCT improved vascular relaxation in 6-month-old but worsened in 1-year-old obese rats and had no impact in lean controls of both ages. QCT did not exert cardioprotective effects against I/R injury and even worsened post-ischemic recovery in 1-year-old hearts. QCT up-regulated expression of eNOS in younger and PKCε expression in older rats but did not activate whole PI3K/Akt pathway. Conclusions: QCT might be beneficial for vascular function in diabetes type 2; however, increasing age and/or progression of diabetes may confound its vasculoprotective effects. QCT seems to be inefficient in preventing myocardial I/R injury in type 2 diabetes and/or higher age. Impaired activation of PI3K/Akt kinase pathway might be, at least in part, responsible for failing cardioprotection in these subjects.
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CaSR participates in the regulation of vascular tension in the mesentery of hypertensive rats via the PLC‑IP3/AC‑V/cAMP/RAS pathway. Mol Med Rep 2019; 20:4433-4448. [PMID: 31485595 PMCID: PMC6797953 DOI: 10.3892/mmr.2019.10620] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 07/12/2019] [Indexed: 12/20/2022] Open
Abstract
Hypertension is a cardiovascular disease that severely impairs human health; however, its specific etiology and pathogenesis are complex. The present study investigated the effects of the calcium sensing receptor (CaSR) on vascular tone in spontaneously hypertensive rats (SHRs), and clarified the role and mechanism of CaSR in regulating this property with respect to the phospholipase C (PLC)-inositol 1,4,5-triphosphate (IP3)/adenylate cyclase-V(AC-V)/cyclic adenosine monophosphate (cAMP)/renin-angiotensin system (RAS) pathway in these animals. CaSR protein expression in the mesenteric artery (MA) of rats and CaSR protein expression in SHRs were significantly reduced. Based on wire myography studies, vasoconstriction was significantly augmented and vasodilatation was attenuated in SHRs, and this effect was endothelium-independent. The CaSR calcimimetic NPSR568 and inhibitor NPS2143 reduced vasoconstriction and enhanced vasodilation in SHRs. Furthermore, pretreatment with PLC-IP3/AC-V/cAMP/RAS pathway blockers significantly reduced the vasoconstriction response and enhanced the vasodilator response in SHRs and Wistar-Kyoto rats (WKY), and these effects were partially dependent on the endothelium. Additionally, pretreatment with CaSR inhibitors were determined to cooperate with the PLC-IP3/AC-V/cAMP/RAS pathway inhibitors to significantly reduce vasoconstriction and enhance vasodilation in SHRs and WKY. Our results demonstrated that CaSR is functionally expressed in the MA of SHRs, and that CaSR expression is decreased in SHRs. Additionally, vasoconstriction was enhanced while vasodilatation was attenuated in SHRs; these processes were determined to be endothelium-independent. CaSR is involved in the regulation of blood pressure and vascular tension in SHRs and WKYs. In association with mechanistic differences, this effect was proposed to be partially endothelium-dependent and mediated by the PLC-IP3/AC-V/cAMP/RAS pathway.
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Marunaka Y. Actions of quercetin, a flavonoid, on ion transporters: its physiological roles. Ann N Y Acad Sci 2017; 1398:142-151. [DOI: 10.1111/nyas.13361] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Revised: 03/18/2017] [Accepted: 03/24/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Yoshinori Marunaka
- Departments of Molecular Cell Physiology and Bio-Ionomics; Kyoto Prefectural University of Medicine; Kyoto Japan
- Japan Institute for Food Education and Health; St. Agnes’ University; Kyoto Japan
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Kunasegaran T, Mustafa MR, Achike FI, Murugan DD. Quercetin and pioglitazone synergistically reverse endothelial dysfunction in isolated aorta from fructose-streptozotocin (F-STZ)-induced diabetic rats. Eur J Pharmacol 2017; 799:160-170. [DOI: 10.1016/j.ejphar.2017.02.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 02/11/2017] [Accepted: 02/13/2017] [Indexed: 12/15/2022]
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Actions of Quercetin, a Polyphenol, on Blood Pressure. Molecules 2017; 22:molecules22020209. [PMID: 28146071 PMCID: PMC6155806 DOI: 10.3390/molecules22020209] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 01/23/2017] [Accepted: 01/24/2017] [Indexed: 12/20/2022] Open
Abstract
Disorder of blood pressure control causes serious diseases in the cardiovascular system. This review focuses on the anti-hypertensive action of quercetin, a flavonoid, which is one of the polyphenols characterized as the compounds containing large multiples of phenol structural units, by varying the values of various blood pressure regulatory factors, such as vascular compliance, peripheral vascular resistance, and total blood volume via anti-inflammatory and anti-oxidant actions. In addition to the anti-inflammatory and anti-oxidant actions of quercetin, we especially describe a novel mechanism of quercetin’s action on the cytosolic Cl− concentration ([Cl−]c) and novel roles of the cytosolic Cl− i.e., (1) quercetin elevates [Cl−]c by activating Na+-K+-2Cl− cotransporter 1 (NKCC1) in renal epithelial cells contributing to Na+ reabsorption via the epithelial Na+ channel (ENaC); (2) the quercetin-induced elevation of [Cl−]c in renal epithelial cells diminishes expression of ENaC leading to a decrease in renal Na+ reabsorption; and (3) this reduction of ENaC-mediated Na+ reabsorption in renal epithelial cells drops volume-dependent elevated blood pressure. In this review, we introduce novel, unique mechanisms of quercetin’s anti-hypertensive action via activation of NKCC1 in detail.
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