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Tran V, De Silva TM, Sobey CG, Lim K, Drummond GR, Vinh A, Jelinic M. The Vascular Consequences of Metabolic Syndrome: Rodent Models, Endothelial Dysfunction, and Current Therapies. Front Pharmacol 2020; 11:148. [PMID: 32194403 PMCID: PMC7064630 DOI: 10.3389/fphar.2020.00148] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 02/04/2020] [Indexed: 12/30/2022] Open
Abstract
Metabolic syndrome is characterized by visceral obesity, dyslipidemia, hyperglycemia and hypertension, and affects over one billion people. Independently, the components of metabolic syndrome each have the potential to affect the endothelium to cause vascular dysfunction and disrupt vascular homeostasis. Rodent models of metabolic syndrome have significantly advanced our understanding of this multifactorial condition. In this mini-review we compare the currently available rodent models of metabolic syndrome and consider their limitations. We also discuss the numerous mechanisms by which metabolic abnormalities cause endothelial dysfunction and highlight some common pathophysiologies including reduced nitric oxide production, increased reactive oxygen species and increased production of vasoconstrictors. Additionally, we explore some of the current therapeutics for the comorbidities of metabolic syndrome and consider how these benefit the vasculature.
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Affiliation(s)
- Vivian Tran
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, VIC, Australia
| | - T Michael De Silva
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, VIC, Australia
| | - Christopher G Sobey
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, VIC, Australia
| | - Kyungjoon Lim
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, VIC, Australia
| | - Grant R Drummond
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, VIC, Australia
| | - Antony Vinh
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, VIC, Australia
| | - Maria Jelinic
- Department of Physiology, Anatomy and Microbiology, La Trobe University, Bundoora, VIC, Australia
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302
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Hatabu T, Harada T, Takao Y, Thi DH, Yamasato A, Horiuchi T, Mochizuki A, Kondo Y. Daily Meal Supplemented with Astaxanthin-Enriched Yolk Has Mitigative Effects against Hypertension in Spontaneously Hypertensive Rats. Biol Pharm Bull 2020; 43:404-408. [PMID: 32115501 DOI: 10.1248/bpb.b19-01013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The aim of this study was to investigate the effects of egg yolk powder enriched with astaxanthin (ASX-E) on blood pressure in spontaneously hypertensive rats (SHR) and to verify the benefits of ASX-E as a functional food. To investigate the antihypertensive effect, SHR were fed with an ASX-E mixed diet before hypertension development. Blood pressures were determined periodically during the study by the tail-cuff method. At the end of the study, animals were euthanized, and their thoracic aortas were collected to determine vascular conductance. The thoracic aorta tension was measured with a force displacement transducer. Concentration-dependent response relationships were determined by cumulative addition of 10-9-10-4 M Carbamoylcholine (Cch). Blood pressures of the SHR in the ASX-E mixed diet group were ASX-dose-dependently lower than that of those in the control group. In SHR fed with an ASX-E mixed diet, Cch induced vasorelaxation in the thoracic aorta with endothelium lining but not without endothelium. However, the antihypertensive effect of ASX-E was not observed on blood pressures in SHR that were fed with ASX-E only after the development of hypertension. Results suggest that ASX-E protects endothelial function and thereby prevents the development of hypertension. Hence, the results of our research indicate that daily consumption of ASX-E has a potential benefit on human health.
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Affiliation(s)
- Toshimitsu Hatabu
- Laboratory of Animal Physiology, Graduate School of Environmental and Life Science, Okayama University
| | - Takumi Harada
- Laboratory of Animal Physiology, Graduate School of Environmental and Life Science, Okayama University
| | - Yuri Takao
- Laboratory of Animal Physiology, Graduate School of Environmental and Life Science, Okayama University
| | - Dung Ho Thi
- Laboratory of Animal Physiology, Graduate School of Environmental and Life Science, Okayama University
| | | | | | | | - Yasuhiro Kondo
- Laboratory of Animal Physiology, Graduate School of Environmental and Life Science, Okayama University
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303
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Legeay S, Trân K, Abatuci Y, Faure S, Helesbeux JJ. Novel Insights into the Mode of Action of Vasorelaxant Synthetic Polyoxygenated Chalcones. Int J Mol Sci 2020; 21:ijms21051609. [PMID: 32111098 PMCID: PMC7084244 DOI: 10.3390/ijms21051609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 12/31/2022] Open
Abstract
Polyphenols consumption has been associated with a lower risk of cardiovascular diseases (CVDs) notably through nitric oxide (NO)- and estrogen receptor α (ERα)-dependent pathways. Among polyphenolic compounds, chalcones have been suggested to prevent endothelial dysfunction and hypertension. However, the involvement of both the NO and the ERα pathways for the beneficial vascular effects of chalcones has never been demonstrated. In this study, we aimed to identify chalcones with high vasorelaxation potential and to characterize the signaling pathways in relation to ERα signaling and NO involvement. The evaluation of vasorelaxation potential was performed by myography on wild-type (WT) and ERα knock-out (ERα-KO) mice aorta in the presence or in absence of the eNOS inhibitor Nω-nitro-L-arginine methyl ester (L-NAME). Among the set of chalcones that were synthesized, four (3, 8, 13 and 15) exhibited a strong vasorelaxant effect (more than 80% vasorelaxation) while five compounds (6, 10, 11, 16, 17) have shown a 60% relief of the pre-contraction and four compounds (12, 14, 18, 20) led to a lower vasorelaxation. We were able to demonstrate that the vasorelaxant effect of two highly active chalcones was either ERα-dependent and NO-independent or ERα-independent and NO-dependent. Thus some structure-activity relationships (SAR) were discussed for an optimized vasorelaxant effect.
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Affiliation(s)
- Samuel Legeay
- MINT, UNIV Angers, INSERM 1066, CNRS 6021, IRIS-IBS-CHU, 4 Rue Larrey, 49100 Angers, France;
- Correspondence: ; Tel.: +33-(0)2-44-68-85-32
| | - Kien Trân
- SONAS, EA921, UNIV Angers, SFR QUASAV, Faculty of Health Sciences, Dpt Pharmacy, 16 Bd Daviers, 49045 Angers CEDEX 01, France; (K.T.); (Y.A.); (J.-J.H.)
| | - Yannick Abatuci
- SONAS, EA921, UNIV Angers, SFR QUASAV, Faculty of Health Sciences, Dpt Pharmacy, 16 Bd Daviers, 49045 Angers CEDEX 01, France; (K.T.); (Y.A.); (J.-J.H.)
| | - Sébastien Faure
- MINT, UNIV Angers, INSERM 1066, CNRS 6021, IRIS-IBS-CHU, 4 Rue Larrey, 49100 Angers, France;
| | - Jean-Jacques Helesbeux
- SONAS, EA921, UNIV Angers, SFR QUASAV, Faculty of Health Sciences, Dpt Pharmacy, 16 Bd Daviers, 49045 Angers CEDEX 01, France; (K.T.); (Y.A.); (J.-J.H.)
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304
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Endothelial Nitric Oxide Mediates the Anti-Atherosclerotic Action of Torenia concolor Lindley var. Formosama Yamazaki. Int J Mol Sci 2020; 21:ijms21041532. [PMID: 32102326 PMCID: PMC7073175 DOI: 10.3390/ijms21041532] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/15/2020] [Accepted: 02/17/2020] [Indexed: 12/29/2022] Open
Abstract
Torenia concolor Lindley var. formosama Yamazaki ethanolic extract (TCEE) is reported to have anti-inflammatory and anti-obesity properties. However, the effects of TCEE and its underlying mechanisms in the activation of endothelial nitric oxide synthase (eNOS) have not yet been investigated. Increasing the endothelium-derived nitric oxide (NO) production has been known to be beneficial against the development of cardiovascular diseases. In this study, we investigated the effect of TCEE on eNOS activation and NO-related endothelial function and inflammation by using an in vitro system. In endothelial cells (ECs), TCEE increased NO production in a concentration-dependent manner without affecting the expression of eNOS. In addition, TCEE increased the phosphorylation of eNOS at serine 635 residue (Ser635) and Ser1179, Akt at Ser473, calmodulin kinase II (CaMKII) at threonine residue 286 (Thr286), and AMP-activated protein kinase (AMPK) at Thr172. Moreover, TCEE-induced NO production, and EC proliferation, migration, and tube formation were diminished by pretreatment with LY294002 (an Akt inhibitor), KN62 (a CaMKII inhibitor), and compound C (an AMPK inhibitor). Additionally, TCEE attenuated the tumor necrosis factor-α-induced inflammatory response as evidenced by the expression of adhesion molecules in ECs and monocyte adhesion onto ECs. These inflammatory effects of TCEE were abolished by L-NG-nitroarginine methyl ester (an NOS inhibitor). Moreover, chronic treatment with TCEE attenuated hyperlipidemia, systemic and aortic inflammatory response, and the atherosclerotic lesions in apolipoprotein E-deficient mice. Collectively, our findings suggest that TCEE may confer protection from atherosclerosis by preventing endothelial dysfunction.
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305
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Chen Q, Li X, Kong L, Xu Q, Wang Z, Lv Q. miR-101-3p induces vascular endothelial cell dysfunction by targeting tet methylcytosine dioxygenase 2. Acta Biochim Biophys Sin (Shanghai) 2020; 52:180-191. [PMID: 31990036 DOI: 10.1093/abbs/gmz154] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 12/03/2019] [Accepted: 12/03/2019] [Indexed: 12/27/2022] Open
Abstract
Endothelial cell (EC) dysfunction represents an early key event in atherosclerosis. Recently, MicroRNAs have been demonstrated to regulate EC function. miR-101-3p has been discovered to regulate cell apoptosis and proliferation in cardiovascular diseases. Therefore, the aim of the current study was to clarify whether miR-101-3p regulates the dysfunction of vascular endothelial cells. In this study, the transfection of human umbilical vein endothelial cells (HUVECs) with miR-101-3p mimic induced reactive oxygen species (ROS) production, EC dysfunction, and activated nuclear factor-κB (NF-κB), whereas transfection with miR-101-3p inhibitor alleviated these events. The antioxidant N-acetylcysteine alleviated miR-101-3p-induced EC dysfunction. Moreover, we observed that miR-101-3p inhibited the expression of tet methylcytosine dioxygenase 2 (TET2) at the posttranscriptional level, resulting in increased ROS production and activated NF-κB. TET2 overexpression inhibited ROS production, EC dysfunction, and NF-κB activation in miR-101-3p-transfected HUVECs. These results indicate that miR-101-3p induces EC dysfunction by targeting TET2, which regulates ROS production, EC dysfunction, and NF-κB activation. Taken together, our current study reveals a novel pathway associated with EC dysfunction. The modulation of miR-101-3p and TET2 expression levels may serve as a potential target for therapeutic strategies for atherosclerosis.
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Affiliation(s)
- Qiaoli Chen
- Department of Clinical Pharmacy, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xiaoye Li
- Department of Clinical Pharmacy, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Lingjun Kong
- Department of Clincial Pharmacy, Obstetrics & Gynecology Hospital of Fudan University, Shanghai 200011, China
| | - Qing Xu
- Department of Clinical Pharmacy, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Zi Wang
- Department of Clinical Pharmacy, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Qianzhou Lv
- Department of Clinical Pharmacy, Zhongshan Hospital, Fudan University, Shanghai 200032, China
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306
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Cyclic nucleotide phosphodiesterases: New targets in the metabolic syndrome? Pharmacol Ther 2020; 208:107475. [PMID: 31926200 DOI: 10.1016/j.pharmthera.2020.107475] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 12/23/2019] [Indexed: 12/11/2022]
Abstract
Metabolic diseases have a tremendous impact on human morbidity and mortality. Numerous targets regulating adenosine monophosphate kinase (AMPK) have been identified for treating the metabolic syndrome (MetS), and many compounds are being used or developed to increase AMPK activity. In parallel, the cyclic nucleotide phosphodiesterase families (PDEs) have emerged as new therapeutic targets in cardiovascular diseases, as well as in non-resolved pathologies. Since some PDE subfamilies inactivate cAMP into 5'-AMP, while the beneficial effects in MetS are related to 5'-AMP-dependent activation of AMPK, an analysis of the various controversial relationships between PDEs and AMPK in MetS appears interesting. The present review will describe the various PDE families, AMPK and molecular mechanisms in the MetS and discuss the PDEs/PDE modulators related to the tissues involved, thus supporting the discovery of original molecules and the design of new therapeutic approaches in MetS.
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307
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Shi H, Yang D, Qiao J, Sun R, Li R, Zhu C, Jing R, Liu L, Huang L, Li L. Effects of sang-qi granules on blood pressure and endothelial dysfunction in stage I or II hypertension: study protocol for a randomized double-blind double-simulation controlled trial. Trials 2020; 21:12. [PMID: 31907056 PMCID: PMC6945446 DOI: 10.1186/s13063-019-3690-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 08/30/2019] [Indexed: 02/21/2023] Open
Abstract
BACKGROUND Worldwide, hypertension is an important public health challenge because of its high prevalence and the concomitant risks of cardiovascular disease. It induces half of the coronary heart disease and approximately two-thirds of the cerebrovascular disease burden. Vascular endothelial dysfunction has important roles in the pathophysiology of essential hypertension. Types I and II hypertension can be treated with sang-qi granules (SQG), a Chinese herbal formula. Several experimental studies on animals have shown that SQG can lower blood pressure and myocardial fibrosis by suppressing inflammatory responses. However, no standard clinical trial has confirmed this. Whether SQG can improve endothelial cell function is unknown. METHODS/DESIGN In this randomized double-blind double-simulation controlled trial, 300 patients with stage I or II hypertension will be recruited and randomly allocated in a 1:1:1 ratio to group A (treatment with SQG and placebo instead of Losartan), group B (treatment with Losartan and placebo instead of SQG), and group C (treatment with SQG and Losartan). In this study, 10 g of SQG (or its placebo) will be administrated twice a day and 50 mg of Losartan (or its placebo) will be administrated once in the morning. The primary endpoint is the drug efficiency for each of the three groups. The secondary endpoints are the change in average systolic and diastolic blood pressure during the day and the night, the change in the rate at which blood pressure drops at night, assessment of target organ damage (heart rate variability, ankle-brachial pressure index, and pulse wave velocity), assessment of any improvement in symptoms (Hypertension Symptom Scale, syndrome integral scale in traditional Chinese medicine, Pittsburgh Sleep Quality Index Scale, Self-Rating Anxiety Scale, Self-Rating Depression Scale, and the 36-Item Short Form Health Survey), blood lipids, serum indicators of vascular function (changes in serum levels of ET-1, TXA2, NO, and PGI2), and safety indicators. DISCUSSION This study aims to provide clinical evidence on the efficacy and safety of SQG in the treatment of hypertension. Moreover, the possible mechanism by which SQG may lower blood pressure will be explored by observing the protective effect of SQG on vascular endothelial function, as well as its effect on related clinical symptoms, risk factors, and the target organs of hypertension. TRIAL REGISTRATION Chinese Clinical Trials Registry, ChiCTR1800016427. Registered on 1 June 2018.
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Affiliation(s)
- Haoyue Shi
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Dong Cheng District, Beijing, 100010, China
| | - Deshuang Yang
- Graduate School, Beijing University of Chinese Medicine, Chao Yang District, Beijing, 100029, China
| | - Jiajun Qiao
- Graduate School, Beijing University of Chinese Medicine, Chao Yang District, Beijing, 100029, China
| | - Rui Sun
- Graduate School, Beijing University of Chinese Medicine, Chao Yang District, Beijing, 100029, China
| | - Ruihan Li
- Graduate School, Beijing University of Chinese Medicine, Chao Yang District, Beijing, 100029, China
| | - Chunlin Zhu
- Graduate School, Beijing University of Chinese Medicine, Chao Yang District, Beijing, 100029, China
| | - Ruiqing Jing
- Graduate School, Beijing University of Chinese Medicine, Chao Yang District, Beijing, 100029, China
| | - Liping Liu
- Department of Integrative Cardiology,, China-Japan Friendship Hospital,, Chao Yang District, Beijing, 100029, China
| | - Li Huang
- Department of Integrative Cardiology,, China-Japan Friendship Hospital,, Chao Yang District, Beijing, 100029, China.
| | - Lin Li
- Department of Integrative Cardiology,, China-Japan Friendship Hospital,, Chao Yang District, Beijing, 100029, China.
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308
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Ji QH, Zhao MM, Gong HP, Lv XZ, Ma WH. Association of YKL-40 with endothelial dysfunction in patients with essential hypertension. EUR J INFLAMM 2020. [DOI: 10.1177/2058739220959939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Human cartilage glycoprotein 39 (YKL-40) is related with presence and extent of atherosclerosis, which can be a new biomarker of inflammation and endothelial dysfunction. The relationship between YKL-40 and endothelial dysfunction in patients with essential hypertension (EH) has not been intensively investigated. The relationship between serum level of YKL-40 and endothelial dysfunction was evaluated in 60 EH subjects and 50 normal control (NEH) subjects. Enzyme-linked immunosorbent assay (ELISA) was used to measure serum levels of YKL-40. Brachial artery flow-mediated vasodilation (FMD) was used to measure endothelial-dependent nitric oxide-mediated vasodilatory capacity as the function of endothelial index. This study demonstrated that YKL-40 expression was significantly increased ( p < 0.05) in EH subjects compared with NEH subjects. The FMD was significantly impaired in EH subjects compared with NEH subjects. YKL-40 was not only negatively correlated with FMD, but also with carotid artery intima-media thickness (IMT). Multiple liner regression analysis identified that YKL-40 was independent of FMD development. The level of YKL-40 was elevated in EH patients and inversely related with FMD and may be independent of endothelial dysfunction in EH.
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Affiliation(s)
- Qing-hong Ji
- Department of Obstetrics, The Second Hospital of Shandong University, Jinan, China
| | - Meng-meng Zhao
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, China
| | - Hui-ping Gong
- Department of Cardiology, The Second Hospital of Shandong University, Jinan, China
| | - Xian-zhong Lv
- Department of Obstetrics, The Second Hospital of Shandong University, Jinan, China
| | - Wei-hong Ma
- Department of Obstetrics, The Second Hospital of Shandong University, Jinan, China
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309
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Effects of Oral Magnesium Supplementation on Vascular Function: A Systematic Review and Meta-analysis of Randomized Controlled Trials. High Blood Press Cardiovasc Prev 2019; 27:19-28. [PMID: 31845310 DOI: 10.1007/s40292-019-00355-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 12/04/2019] [Indexed: 01/08/2023] Open
Abstract
INTRODUCTION The effects of magnesium (Mg) supplementation on vascular function have been evaluated in some randomized controlled trials (RCT) but their results are conflicting. AIM A systematic review and meta-analysis were conducted to summarize the effects of oral Mg supplementation on vascular function in RCT. METHODS The databases MEDLINE (PubMed), Embase, Web of Science and Cochrane Library were accessed from inception to May 27, 2019. Intergroup differences (treatment vs. control group) related to changes in flow-mediated dilation (FMD) and pulse wave velocity (PWV), expressed as mean and standard deviation, were used to evaluate the effect of Mg supplementation on these outcomes. The results of the meta-analysis were expressed using a random-effects model. The heterogeneity between studies was evaluated using the I2 statistic. RESULTS The oral supplementation of Mg had no significant effect on FMD (mean difference 2.13; 95% CI - 0.56, 4.82; p = 0.12) and PWV (mean difference - 0.54, 95% CI - 1.45, 0.36, p = 0.24). Heterogeneity for both outcomes (FMD and PWV) was high (I2 = 99%, p < 0.001). However, in subgroup analyses, oral Mg significantly improved FMD in studies longer than 6 months, in unhealthy subjects, in individuals older than 50 years, or in those with body mass index (BMI) ≥ 25 kg/m2. The reduced number of RCT and the heterogeneity among them were the main limitations. CONCLUSIONS This meta-analysis suggest that oral Mg supplementation may improve endothelial function when conducted at least for 6 months and in unhealthy, overweight or older individuals. Registration number: PROSPERO CRD42019111462.
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310
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Effect of Ajwa Dates Consumption to Inhibit the Progression of Preeclampsia Threats on Mean Arterial Pressure and Roll-Over Test. BIOMED RESEARCH INTERNATIONAL 2019; 2019:2917895. [PMID: 31886194 PMCID: PMC6925783 DOI: 10.1155/2019/2917895] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 11/19/2019] [Indexed: 12/17/2022]
Abstract
Background Preeclampsia is the major problem and the main leading cause of fetal and maternal mortality worldwide. The early prediction of preeclampsia in pregnant women is required to prevent the occurrence of preeclampsia. The mean arterial pressure (MAP) and roll-over test (ROT) are the combination of measurement which can be used to predict preeclampsia. On the contrary, Ajwa dates were reported to have an enormous activity which contributes to its role in improving health conditions. In this study, we aimed to evaluate the effect of daily consumption of seven Ajwa dates on prevention of preeclampsia, through MAP and ROT changes. Methods Forty pregnant women (n = 40) were randomly assigned into the control group (n = 10) and the intervention group which received a daily intake of Ajwa dates (n = 30). The MAP and ROT were assessed before and after the 8-week intervention period. Results The intervention group showed the significant reduction in MAP and ROT following the 8-week intervention period (p < 0.05). Conclusion Daily consumption of seven Ajwa dates has a remarkable potential to decrease the MAP and ROT in pregnant women at risk of developing preeclampsia, and thus, it can contribute to prevent the development of preeclampsia.
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311
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Murphy B, Bhattacharya R, Mukherjee P. Hydrogen sulfide signaling in mitochondria and disease. FASEB J 2019; 33:13098-13125. [PMID: 31648556 PMCID: PMC6894098 DOI: 10.1096/fj.201901304r] [Citation(s) in RCA: 131] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 09/17/2019] [Indexed: 02/06/2023]
Abstract
Hydrogen sulfide can signal through 3 distinct mechanisms: 1) reduction and/or direct binding of metalloprotein heme centers, 2) serving as a potent antioxidant through reactive oxygen species/reactive nitrogen species scavenging, or 3) post-translational modification of proteins by addition of a thiol (-SH) group onto reactive cysteine residues: a process known as persulfidation. Below toxic levels, hydrogen sulfide promotes mitochondrial biogenesis and function, thereby conferring protection against cellular stress. For these reasons, increases in hydrogen sulfide and hydrogen sulfide-producing enzymes have been implicated in several human disease states. This review will first summarize our current understanding of hydrogen sulfide production and metabolism, as well as its signaling mechanisms; second, this work will detail the known mechanisms of hydrogen sulfide in the mitochondria and the implications of its mitochondrial-specific impacts in several pathologic conditions.-Murphy, B., Bhattacharya, R., Mukherjee, P. Hydrogen sulfide signaling in mitochondria and disease.
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Affiliation(s)
- Brennah Murphy
- Department of Pathology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Resham Bhattacharya
- Department of Obstetrics and Gynecology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
- Peggy and Charles Stephenson Cancer Center, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
| | - Priyabrata Mukherjee
- Department of Pathology, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
- Peggy and Charles Stephenson Cancer Center, The University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA
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312
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Zhang L, Zhang Y, Wu Y, Yu J, Zhang Y, Zeng F, Shi L. Role of the Balance of Akt and MAPK Pathways in the Exercise-Regulated Phenotype Switching in Spontaneously Hypertensive Rats. Int J Mol Sci 2019; 20:ijms20225690. [PMID: 31766280 PMCID: PMC6888552 DOI: 10.3390/ijms20225690] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/09/2019] [Accepted: 11/10/2019] [Indexed: 12/26/2022] Open
Abstract
The mechanisms regulating vascular smooth muscle cell (VSMC) phenotype switching and the critical signal modulation affecting the VSMCs remain controversial. Physical exercise acts as an effective drug in preventing elevated blood pressure and improving vascular function. This study was designed to explore the influence of aerobic exercise on the suppression of VSMC phenotype switching by balancing of the Akt, also known as PKB (protein kinase B) and mitogen-activated protein kinase (MAPK) signaling pathways. Spontaneously hypertensive rats (SHRs) and normotensive rats were subjected to exercise treatment before measuring the vascular morphological and structural performances. Exercise induced reverse expression of VSMC protein markers (α-SM-actin, calponin, and osteopontin (OPN)) in spontaneously hypertensive rats. It is noteworthy that the low expression of phosphorylated Akt significantly decreased the expression of VSMC contractile phenotype markers (α-SM-actin and calponin) and increased the expression of the VSMC synthetic phenotype marker (OPN). However, the MAPK signal pathway exerts an opposite effect. VSMCs and whole vessels were treated by inhibitors, namely the p-Akt inhibitor, p-ERK inhibitor, and p-p38 MAPK inhibitors. VSMC phenotype markers were reversed. It is important to note that a significant reverse regulatory relationship was observed between the expression levels of MAPK and the contractile markers in both normotensive and spontaneously hypertensive rats. We demonstrate that aerobic exercise regulates the VSMC phenotype switching by balancing the Akt and MAPK signaling pathways in SHRs.
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Affiliation(s)
- Lin Zhang
- Department of Exercise Physiology, Beijing Sport University, Beijing 100084, China; (L.Z.); (Y.Z.); (Y.W.)
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing 100084, China;
- China Institute of Sport and Health Science, Beijing Sport University, Beijing 100084, China;
| | - Yanyan Zhang
- Department of Exercise Physiology, Beijing Sport University, Beijing 100084, China; (L.Z.); (Y.Z.); (Y.W.)
| | - Ying Wu
- Department of Exercise Physiology, Beijing Sport University, Beijing 100084, China; (L.Z.); (Y.Z.); (Y.W.)
| | - Jingjing Yu
- China Institute of Sport and Health Science, Beijing Sport University, Beijing 100084, China;
| | - Yimin Zhang
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing 100084, China;
- China Institute of Sport and Health Science, Beijing Sport University, Beijing 100084, China;
| | - Fanxing Zeng
- Department of Exercise Physiology, Beijing Sport University, Beijing 100084, China; (L.Z.); (Y.Z.); (Y.W.)
| | - Lijun Shi
- Department of Exercise Physiology, Beijing Sport University, Beijing 100084, China; (L.Z.); (Y.Z.); (Y.W.)
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, Beijing 100084, China;
- Correspondence: ; Tel.: +86-10-6298-9582
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313
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Mahdi A, Kövamees O, Pernow J. Improvement in endothelial function in cardiovascular disease - Is arginase the target? Int J Cardiol 2019; 301:207-214. [PMID: 31785959 DOI: 10.1016/j.ijcard.2019.11.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/26/2019] [Accepted: 11/04/2019] [Indexed: 01/30/2023]
Abstract
Endothelial dysfunction represents an early change in the vascular wall in areas prone to atherosclerotic plaque formation and is present in association with several risk factors for cardiovascular disease. The underlying mechanisms behind endothelial dysfunction are multifactorial and complex. Arginase has emerged as a key player in the regulation of endothelial integrity by the ability of reciprocally inhibits nitric oxide formation and promoting oxidative stress. A chain of evidence suggest that arginase is implicated in the pathogenesis underlying endothelial dysfunction induced by several cardiovascular risk factors and established cardiovascular disease including diabetes, hypercholesteremia, ischemia/reperfusion, atherosclerosis, obesity, ageing and hypertension. Recent data has unveiled a key role of arginase as one of the key mechanisms underlying endothelial dysfunction in diabetes and may serve as a potential therapeutic target in previously overlooked compartments including red blood cells. The current review is devoted to discuss arginase as a key mediator in endothelial dysfunction and the potential for therapeutic possibilities to target this enzyme in various diseases, especially type 2 diabetes, atherosclerosis and ischemia/reperfusion with focus on translational and clinical aspects. Moreover, approaches of how and in which patient group(s) arginase may be targeted in future clinical trials are discussed.
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Affiliation(s)
- Ali Mahdi
- Division of Cardiology, Department of Medicine, Division of Cardiology, Karolinska Institutet, Stockholm, Sweden
| | - Oskar Kövamees
- Division of Cardiology, Department of Medicine, Division of Cardiology, Karolinska Institutet, Stockholm, Sweden; Heart and Vascular Division, Karolinska University Hospital, Stockholm, Sweden
| | - John Pernow
- Division of Cardiology, Department of Medicine, Division of Cardiology, Karolinska Institutet, Stockholm, Sweden; Heart and Vascular Division, Karolinska University Hospital, Stockholm, Sweden.
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314
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Karimzad SE, Shokr H, Gherghel D. Retinal and peripheral vascular function in healthy individuals with low cardiovascular risk. Microvasc Res 2019; 126:103908. [DOI: 10.1016/j.mvr.2019.103908] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 07/01/2019] [Accepted: 07/30/2019] [Indexed: 11/28/2022]
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315
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Gumanova NG. Analytical complex of biochemical markers for preclinical diagnosis and prevention of cardiovascular diseases. КАРДИОВАСКУЛЯРНАЯ ТЕРАПИЯ И ПРОФИЛАКТИКА 2019. [DOI: 10.15829/1728-8800-2019-5-117-127] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Affiliation(s)
- N. G. Gumanova
- National Medical Research Center for Preventive Medicine
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316
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Jaramillo-Calle DA, Solano JM, Rabinstein AA, Bonkovsky HL. Porphyria-induced posterior reversible encephalopathy syndrome and central nervous system dysfunction. Mol Genet Metab 2019; 128:242-253. [PMID: 31706631 DOI: 10.1016/j.ymgme.2019.10.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 10/29/2019] [Accepted: 10/30/2019] [Indexed: 12/22/2022]
Abstract
BACKGROUND AND AIM An association between neuropsychiatric manifestations and neuroimaging suggestive of posterior reversible encephalopathy syndrome (PRES) during porphyric attacks has been described in numerous case reports. We aimed to systematically review clinical-radiological features and likely pathogenic mechanisms of PRES in patients with acute hepatic porphyrias (AHP) and porphyric attacks. METHODS PubMed, Scopus, Ovid MEDLINE, and Google Scholar were searched (July 30, 2019). We included articles describing patients with convincing evidence of an AHP, confirmed porphyric attacks, and PRES in neuroimaging. RESULTS Forty-three out of 269 articles were included, which reported on 46 patients. Thirty-nine (84.8%) patients were women. The median age was 24 ± 13.8 years. 52.2% had unspecified AHP, 41.3% acute intermittent porphyria, 4.3% hereditary coproporphyria, and 2.2% variegate porphyria. 70.2% had systemic arterial hypertension. Seizures, mental changes, arterial hypertension, and hyponatremia occurred more frequently than expected for porphyric attacks (p < .001). Seizures and hyponatremia were also more frequent than expected for PRES. The most common distributions of brain lesions were occipital (81.4%), parietal (65.1%), frontal (60.5%), subcortical (40%), and cortical (32.5%). Cerebral vasoconstriction was demonstrated in 41.7% of the patients who underwent angiography. 19.6% of the patients had ischemic lesions, and 4.3% developed long-term sequelae (cognitive decline and focal neurological deficits). CONCLUSIONS Brain edema, vasoconstriction, and ischemia in the context of PRES likely account for central nervous symptoms in some porphyric attacks.
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Affiliation(s)
- Daniel A Jaramillo-Calle
- IPS Universitaria, Universidad de Antioquia, Medellin, Colombia; Institute of Medical Research, Universidad de Antioquia, School of Medicine, Medellin, Colombia.
| | - Juan M Solano
- Department of Neurology, Universidad de Antioquia, School of Medicine, Medellin, Colombia
| | | | - Herbert L Bonkovsky
- Section on Gastroenterology & Hepatology, Wake Forest University School of Medicine/NC Baptist Hospital, Winston-Salem, United States of America..
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317
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Guizoni DM, Vettorazzi JF, Carneiro EM, Davel AP. Modulation of endothelium-derived nitric oxide production and activity by taurine and taurine-conjugated bile acids. Nitric Oxide 2019; 94:48-53. [PMID: 31669041 DOI: 10.1016/j.niox.2019.10.008] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 09/20/2019] [Accepted: 10/21/2019] [Indexed: 02/08/2023]
Abstract
Taurine is a semiessential amino acid found at high concentrations in mammalian plasma and cells, where it regulates cellular functions such as ion flux, controls cell volume and serves as a substrate for conjugated bile acids (BAs). Exogenous administration of both taurine and taurine-conjugated BAs have also been implicated in the modulation of cardiovascular functions. This brief review summarizes the role of taurine and taurine-conjugated BAs in vascular relaxation through the modulation of endothelium-derived nitric oxide (NO). The effects of taurine on vascular health are controversial. However, in the presence of cardiometabolic risk factors, it has been proposed that taurine can increase vascular NO levels by increasing eNOS expression, eNOS phosphorylation on Ser1177, NO bioavailability, the level of antioxidative defense, and the l-arginine/NOS inhibitor asymmetric dimethylarginine (ADMA) ratio. The taurine-conjugated BA-mediated activation of Farnesoid X receptor (FXR), G protein-coupled BA receptor (TGR5) and/or muscarinic 3 receptor (M3) was also reported to increase vascular NO production. FXR activation increases eNOS expression and may reduce ADMA formation, while TGR5 increases mobilization of Ca2+ and phosphorylation of eNOS and Akt in endothelial cells. Furthermore, taurine and taurine-conjugated BAs might regulate NO synthesis and activity by enhancing H2S generation. Several studies have demonstrated the beneficial effects of both taurine and taurine-conjugated BAs in reversing the endothelial dysfunction associated with diabetes, atherosclerosis, hypertension, obesity, malnutrition, and smoking. In addition, taurine-conjugated BAs have emerged as a potential treatment for portal hypertension. Despite these favorable findings, there is a need to further explore the mechanisms and signaling pathways underlying the endothelial effects of taurine and taurine-conjugated BAs. Here, we summarize the main findings regarding the effects of taurine and taurine-conjugated BAs on the endothelial dysfunction associated with altered NO metabolism in cardiovascular diseases.
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Affiliation(s)
- Daniele M Guizoni
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, SP, Brazil
| | - Jean F Vettorazzi
- Obesity and Comorbidities Research Center, São Paulo Research Foundation (FAPESP), Institute of Biology, Department of Structural and Functional Biology, University of Campinas/UNICAMP, Campinas, SP, Brazil
| | - Everardo M Carneiro
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, SP, Brazil; Obesity and Comorbidities Research Center, São Paulo Research Foundation (FAPESP), Institute of Biology, Department of Structural and Functional Biology, University of Campinas/UNICAMP, Campinas, SP, Brazil
| | - Ana Paula Davel
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas/UNICAMP, Campinas, SP, Brazil.
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318
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Zhang Z, Luo X, Lv Y, Yan L, Xu S, Wang Y, Zhong Y, Hang C, Jyotsnav J, Lai D, Shen Z, Xu X, Ma X, Chen Z, Pan Y, Du L. Intrauterine Growth Restriction Programs Intergenerational Transmission of Pulmonary Arterial Hypertension and Endothelial Dysfunction via Sperm Epigenetic Modifications. Hypertension 2019; 74:1160-1171. [PMID: 31596625 DOI: 10.1161/hypertensionaha.119.13634] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Intrauterine life represents a window of phenotypic plasticity which carries consequences for later health in adulthood as well as health of subsequent generations. Intrauterine growth-restricted fetuses (intrauterine growth restriction [IUGR]) have a higher risk of pulmonary arterial hypertension in adulthood. Endothelial dysfunction, characterized by hyperproliferation, invasive migration, and disordered angiogenesis, is a hallmark of pulmonary arterial hypertension pathogenesis. Growing evidence suggests that intergenerational transmission of disease, including metabolic syndrome, can be induced by IUGR. Epigenetic modification of the paternal germline is implicated in this transmission. However, it is unclear whether offspring of individuals born with IUGR are also at risk of developing pulmonary arterial hypertension and endothelial dysfunction. Using a model of maternal caloric restriction to induce IUGR, we found that first and second generations of IUGR exhibited elevated pulmonary arterial pressure, myocardial, and vascular remodeling after prolonged exposure to hypoxia. Primary pulmonary vascular endothelial cells (PVECs) from both first and second generations of IUGR exhibited greater proliferation, migration, and angiogenesis. Moreover, in 2 generations, PVECs-derived ET-1 (endothelin-1) was activated by IUGR and hypoxia, and its knockdown mitigated PVECs dysregulation. Most interestingly, within ET-1 first intron, reduced DNA methylation and enhanced tri-methylation of lysine 4 on histone H3 were observed in PVECs and sperm of first generation of IUGR, with DNA demethylation in PVECs of second generation of IUGR. These results suggest that IUGR permanently altered epigenetic signatures of ET-1 from the sperm and PVECs in the first generation, which was subsequently transferred to PVECs of offspring. This mechanism would yield 2 generations with endothelial dysfunction and pulmonary arterial hypertension-like pathophysiological features in adulthood.
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Affiliation(s)
- Ziming Zhang
- From the Department of Pediatrics (Z.Z., X.L., L.Y., S.X., Y.W., Y.Z., C.H., J.J.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Xiaofei Luo
- From the Department of Pediatrics (Z.Z., X.L., L.Y., S.X., Y.W., Y.Z., C.H., J.J.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Ying Lv
- Department of Pediatric Health Care (Y.L.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Lingling Yan
- From the Department of Pediatrics (Z.Z., X.L., L.Y., S.X., Y.W., Y.Z., C.H., J.J.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Shanshan Xu
- From the Department of Pediatrics (Z.Z., X.L., L.Y., S.X., Y.W., Y.Z., C.H., J.J.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Yu Wang
- From the Department of Pediatrics (Z.Z., X.L., L.Y., S.X., Y.W., Y.Z., C.H., J.J.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Ying Zhong
- From the Department of Pediatrics (Z.Z., X.L., L.Y., S.X., Y.W., Y.Z., C.H., J.J.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Chengcheng Hang
- From the Department of Pediatrics (Z.Z., X.L., L.Y., S.X., Y.W., Y.Z., C.H., J.J.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Joynauth Jyotsnav
- From the Department of Pediatrics (Z.Z., X.L., L.Y., S.X., Y.W., Y.Z., C.H., J.J.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Dengming Lai
- Department of Neonatal Surgery (D.L.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Zheng Shen
- Laboratory Test Center (Z.S.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Xuefeng Xu
- Department of Respiratory Medicine (X.X.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Xiaolu Ma
- Department of Neonatology (X.M., Z.C., L.D.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Zheng Chen
- Department of Neonatology (X.M., Z.C., L.D.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
| | - Yun Pan
- College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, Zhejiang Province, People's Republic of China (Y.P.)
| | - Lizhong Du
- Department of Neonatology (X.M., Z.C., L.D.), the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, People's Republic of China
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319
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Han C, Han L, Huang P, Chen Y, Wang Y, Xue F. Syncytiotrophoblast-Derived Extracellular Vesicles in Pathophysiology of Preeclampsia. Front Physiol 2019; 10:1236. [PMID: 31632289 PMCID: PMC6779799 DOI: 10.3389/fphys.2019.01236] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Accepted: 09/09/2019] [Indexed: 01/12/2023] Open
Abstract
Preeclampsia is a common obstetric complication associated with pregnancy and it endangers lives of the mother and the infant. The histopathological changes associated with preeclampsia include systemic endothelial dysfunction, persistent inflammatory state, and coagulation and fibrinolysis dysregulations. Preeclampsia is considered to be caused by the systemic vasoconstriction of small arteries and disruption of the endothelial integrity, resulting in hypertension, proteinuria, and multiple organ dysfunction. However, mediators that trigger or propagate the pathology of preeclampsia remain poorly defined. Syncytiotrophoblast-derived extracellular vesicles (SDEVs) are increasingly recognized as a key mediator for the development of preeclampsia, but the underlying mechanisms through which these SDEVs are released and induce systemic responses are not fully understood. This review focuses on multiple roles of SDEVs in the pathogenesis of preeclampsia.
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Affiliation(s)
- Cha Han
- Department of Obstetrics and Gynecology, Tianjin Medical University General Hospital, Tianjin, China
| | - Lulu Han
- Department of Obstetrics and Gynecology, Tianjin Medical University General Hospital, Tianjin, China
| | - Pengzhu Huang
- Department of Obstetrics and Gynecology, Tianjin Medical University General Hospital, Tianjin, China
| | - Yuanyuan Chen
- Department of Obstetrics and Gynecology, Tianjin Medical University General Hospital, Tianjin, China
| | - Yingmei Wang
- Department of Obstetrics and Gynecology, Tianjin Medical University General Hospital, Tianjin, China
| | - Fengxia Xue
- Department of Obstetrics and Gynecology, Tianjin Medical University General Hospital, Tianjin, China
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320
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Taylor LE, Ramirez LA, Musall JB, Sullivan JC. Tipping the scales: Are females more at risk for obesity- and high-fat diet-induced hypertension and vascular dysfunction? Br J Pharmacol 2019; 176:4226-4242. [PMID: 31271650 DOI: 10.1111/bph.14783] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 06/04/2019] [Accepted: 06/08/2019] [Indexed: 12/17/2022] Open
Abstract
Obesity is a common metabolic disorder that has become a widespread epidemic in several countries. Sex and gender disparities in the prevalence of cardiovascular disease (CVD) have been well documented with premenopausal women having a lower incidence of CVD than age-matched men. However, women are more likely than men to suffer from obesity, which can predispose them to a greater risk of CVD. The mechanisms underlying high-fat diet (HFD)- or obesity-induced hypertension are not well defined, although immune system activation and inflammation have been implicated in several studies. Further, the sex of the subject can have a profound influence on the immune response to hypertensive stimuli. Therefore, the purpose of this review is to examine the effects of sex and gender on the role of the immune system in HFD-induced hypertension and vascular dysfunction. LINKED ARTICLES: This article is part of a themed section on The Importance of Sex Differences in Pharmacology Research. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v176.21/issuetoc.
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Affiliation(s)
- Lia E Taylor
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, Georgia
| | - Lindsey A Ramirez
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, Georgia
| | - Jacqueline B Musall
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, Georgia
| | - Jennifer C Sullivan
- Department of Physiology, Medical College of Georgia at Augusta University, Augusta, Georgia
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321
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Shafabakhsh R, Milajerdi A, Reiner Ž, Kolahdooz F, Amirani E, Mirzaei H, Barekat M, Asemi Z. The effects of catechin on endothelial function: A systematic review and meta-analysis of randomized controlled trials. Crit Rev Food Sci Nutr 2019; 60:2369-2378. [DOI: 10.1080/10408398.2019.1639037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Rana Shafabakhsh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Alireza Milajerdi
- Students’ Scientific Research Center, Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Željko Reiner
- Department of Internal Medicine, University Hospital Centre Zagreb, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Fariba Kolahdooz
- Indigenous and Global Health Research, Department of Medicine, University of Alberta, Edmonton, Canada
| | - Elaheh Amirani
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Maryam Barekat
- Department of Regenerative Biomedicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
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322
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Bernardi L, Giampietro C, Marina V, Genta M, Mazza E, Ferrari A. Adaptive reorientation of endothelial collectives in response to strain. Integr Biol (Camb) 2019; 10:527-538. [PMID: 30112523 DOI: 10.1039/c8ib00092a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mature epithelial monolayers share the ability to coherently respond to external mechanical stimuli. Tissue remodeling requires cell shape changes and coordinated movements. Human endothelia provide an exquisite example of such emerging collective activities. As part of their function in maintaining body homeostasis under variable hemodynamic loadings, endothelial ensembles must dynamically adapt to wall shear stress and cyclic deformation. While the alignment of several types of cells, including fibroblasts, osteoblasts and epithelial tissues, in response to various flow conditions or wall shear stress levels has been described in detail, less is known about collective endothelial remodeling under pure wall deformation. Here, using a custom-developed bioreactor, we exposed mature human endothelia to two distinct physiological levels of cyclic loading, generating overlapping gradients of strain. Endothelial cells remodeled depending on the level of imposed strain yielding local variations of cell density. In particular, a collective cell orientation orthogonal to the main direction of strain was observed at low levels of wall deformation, while cells reoriented parallel to the main direction of strain at high levels of wall deformation. The tissue adaptation depended on the establishment of mature adherens junctions, which were reinforced by the polarized recruitment of the adaptor protein vinculin. The pivotal role of cell-to-cell junctions was confirmed by the biochemical inhibition of vascular endothelial cadherin homotypic contacts, which impaired the collective remodeling. Together, our data establish wall deformation as an independent determinant of endothelial architecture with direct implications in vascular physiopathology.
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Affiliation(s)
- Laura Bernardi
- ETH Zurich, Institute for Mechanical Systems, 8092 Zürich, Switzerland.
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323
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Molecular targets of fenofibrate in the cardiovascular-renal axis: A unifying perspective of its pleiotropic benefits. Pharmacol Res 2019; 144:132-141. [DOI: 10.1016/j.phrs.2019.03.025] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/28/2019] [Accepted: 03/29/2019] [Indexed: 12/17/2022]
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324
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Metabolic Syndrome Features: Is There a Modulation Role by Mineral Water Consumption? A Review. Nutrients 2019; 11:nu11051141. [PMID: 31121885 PMCID: PMC6566252 DOI: 10.3390/nu11051141] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/13/2019] [Accepted: 05/16/2019] [Indexed: 12/22/2022] Open
Abstract
Metabolic syndrome (MetSyn) promotes, among others, the development of atherosclerotic cardiovascular disease and diabetes. Its prevalence increases with age, highlighting the relevance of promoting precocious MetSyn primary prevention and treatment with easy-to-implement lifestyle interventions. MetSyn features modulation through mineral water consumption was reviewed on Pubmed, Scopus and Google Scholar databases, using the following keywords: metabolic syndrome, hypertension, blood pressure (BP), cholesterol, triglycerides, apolipoprotein, chylomicron, very low-density lipoprotein, low-density lipoprotein, high-density lipoprotein (HDL), glucose, insulin, body weight, body mass index, waist circumference (WC), obesity and mineral(-rich) water. Twenty studies were selected: 12 evaluated BP, 13 assessed total-triglycerides and/or HDL-cholesterol, 10 analysed glucose and/or 3 measured WC. Mineral waters were tested in diverse protocols regarding type and composition of water, amount consumed, diet and type and duration of the study. Human and animal studies were performed in populations with different sizes and characteristics. Distinct sets of five studies showed beneficial effects upon BP, total-triglycerides, HDL-cholesterol and glucose. WC modulation was not reported. Minerals/elements and active ions/molecules present in mineral waters (and their pH) are crucial to counterbalance their inadequate intake and body status as well as metabolic dysfunction and increased diet-induced acid-load observed in MetSyn. Study characteristics and molecular/physiologic mechanisms that could explain the different effects observed are discussed. Further studies are warranted for determining the mechanisms involved in the putative protective action of mineral water consumption against MetSyn features.
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325
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Probiotics as Beneficial Dietary Supplements to Prevent and Treat Cardiovascular Diseases: Uncovering Their Impact on Oxidative Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:3086270. [PMID: 31205584 PMCID: PMC6530239 DOI: 10.1155/2019/3086270] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 04/01/2019] [Accepted: 04/14/2019] [Indexed: 02/07/2023]
Abstract
The gut microbiota, the ecosystem formed by a wide symbiotic community of nonpathogenic microorganisms that are present in the distal part of the human gut, plays a prominent role in the normal physiology of the organism. The gut microbiota's imbalance, gut dysbiosis, is directly related to the origin of various processes of acute or chronic dysfunction in the host. Therefore, the ability to intervene in the gut microbiota is now emerging as a possible tactic for therapeutic intervention in various diseases. From this perspective, evidence is growing that a functional dietary intervention with probiotics, which maintain or restore beneficial bacteria of the digestive tract, represents a promising therapeutic strategy for interventions in cardiovascular diseases and also reduces the risk of their occurrence. In the present work, we review the importance of maintaining the balance of the intestinal microbiota to prevent or combat such processes as arterial hypertension or endothelial dysfunction, which underlie many cardiovascular disorders. We also review how the consumption of probiotics can improve autonomic control of cardiovascular function and provide beneficial effects in patients with heart failure. Among the known effects of probiotics is their ability to decrease the generation of reactive oxygen species and, therefore, reduce oxidative stress. Therefore, in this review, we specifically focus on this antioxidant capacity and its relationship with the beneficial cardiovascular effects described for probiotics.
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326
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Su E, Zhao L, Gao C, Zhao W, Wang X, Qi D, Zhu L, Yang X, Zhu B, Liu Y. Acute changes in morphology and renal vascular relaxation function after renal denervation using temperature-controlled radiofrequency catheter. BMC Cardiovasc Disord 2019; 19:67. [PMID: 30902047 PMCID: PMC6431051 DOI: 10.1186/s12872-019-1053-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 03/18/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Resistant hypertension and renal sympathetic hyperactivity are closely linked, and catheter-based renal denervation (RDN) is regarded as a new treatment strategy. However, the acute changes in vascular morphology and relaxation function have yet to be evaluated, and these may be important for the efficacy and safety of the procedure. In this study, we explored these questions by conventional temperature-controlled cardiac radiofrequency catheter-based RDN in a pig model. METHODS Six mini-pigs were randomly divided into the renal denervation (RDN) group (n = 3) and the Sham-RDN group (n = 3). Animals in the RDN group underwent unilateral radiofrequency ablation, and those in the Sham-RDN group underwent the same procedure except for the ablation. The pigs were examined by angiography pre- and post-RDN and were euthanized immediately thereafter. Renal arteries were processed for histological and molecular biology analyses as well as for in vitro vascular tension testing. RESULTS Compared with the Sham-RDN group, the RDN caused vascular intima and media injury, renal nerve vacuolization, mild collagen fiber hyperplasia and elastic fiber cleavage (all p < 0.05). The RDN group also significantly exhibited nitric oxide synthase pathway inhibition and decreased endothelium-independent vascular relaxation function Compared to the Sham-RDN group (all p < 0.05). CONCLUSIONS In this porcine model, renal artery denervation led to vascular wall injury and endothelial dysfunction in the acute phase, which negatively affected vascular relaxation function. Thus, this process may be detrimental to the prognosis and progress of hypertension patients.
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Affiliation(s)
- Enyong Su
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China
| | - Linwei Zhao
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China
| | - Chuanyu Gao
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China.
| | - Wen Zhao
- Zhengzhou University School of Pharmaceutical Sciences, Zhengzhou, 450003, Henan, China
| | - Xianpei Wang
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China
| | - Datun Qi
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China
| | - Lijie Zhu
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China
| | - Xiaohang Yang
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China
| | - Binbin Zhu
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China
| | - Yahui Liu
- Department of Cardiology, Zhengzhou University People's Hospital, No.7 Weiwu road, Jinshui District, Zhengzhou, 450003, China
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Okoye HC, Madu AJ, Korubo K, Efobi C, Eze OE, Obodo O, Okereke K, Ilechukwu G. Correlates of neutrophil/lymphocyte, platelet/lymphocyte, and platelet/neutrophil ratios of neonates of women with hypertensive disease of pregnancy with neonatal birth outcomes. Hypertens Pregnancy 2019; 38:105-110. [DOI: 10.1080/10641955.2019.1584819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Helen Chioma Okoye
- Department of Haematology and Immunology, University of Nigeria Campus, Ituku-Ozalla, Enugu, Nigeria
| | - Anazoeze Jude Madu
- Department of Haematology and Immunology, University of Nigeria Campus, Ituku-Ozalla, Enugu, Nigeria
| | - Kaladada Korubo
- Department of Haematology, University of Port Harcourt, Port Harcourt Nigeria, Nigeria
| | - Chilota Efobi
- Department of Haematology and Immunology, Chukwuemeka Odumegwu Ojukwu University, Awka, Nigeria
| | - Onyinye Ezinne Eze
- Department of Haematology and Immunology, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu, Nigeria
| | - Onochie Obodo
- Department of Haematology and Immunology, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu, Nigeria
| | - Kelechi Okereke
- Department of Haematology and Immunology, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu, Nigeria
| | - Gladys Ilechukwu
- Department of Haematology and Immunology, University of Nigeria Teaching Hospital, Ituku-Ozalla, Enugu, Nigeria
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328
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Gene-Level Regulation of Acupuncture Therapy in Spontaneously Hypertensive Rats: A Whole Transcriptome Analysis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:9541079. [PMID: 30906419 PMCID: PMC6398018 DOI: 10.1155/2019/9541079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/16/2018] [Accepted: 01/09/2019] [Indexed: 02/07/2023]
Abstract
Hypertension is a global health problem. It has been reported that acupuncture at Taichong acupoints (LR3) decreases high blood pressure in spontaneously hypertensive rats. A transcriptome analysis can profile gene expression and its relationship with acupuncture. In this study, rats were treated with 2 weeks of acupuncture followed by regular recording of blood pressure (BP). The mRNA changes in the rostral ventrolateral medulla (RVLM) were evaluated to uncover the genetic mechanisms of acupuncture by using a whole transcript array (Affymetrix Rat Gene 1.0 ST array). BP measurements showed that acupuncture significantly decreased systolic blood pressure (SBP), mean arterial pressure (MAP), and heart rate (HR). In the bioinformatics results, 2371 differentially expressed genes (DEGs) were identified, where 83 DEGs were overlapped among Wistar-Kyoto rats (WKYs), spontaneously hypertensive rats (SHRs), and SHRs + acupuncture rats (SHRs+Acu). Gene ontology (GO) and pathway analysis revealed that 279 GO terms and 20 pathways with significant differences were related to oxidative stress, inflammation, and vascular endothelial function. In addition, coexpressed DEGs networks indicated that Cd4 and Il-33 might mediate the cascade of inflammation and oxidative stress responses, which could serve as a potential target of acupuncture treatment. In conclusion, our study demonstrated that acupuncture is a promising therapy for treating hypertension and could regulate multiple biological processes mainly involving oxidative stress, inflammation, and vascular endothelial function.
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329
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Budzyń M, Gryszczyńska B, Boruczkowski M, Kaczmarek M, Begier-Krasińska B, Osińska A, Bukowska A, Iskra M, Kasprzak MP. The endothelial status reflected by circulating endothelial cells, circulating endothelial progenitor cells and soluble thrombomodulin in patients with mild and resistant hypertension. Vascul Pharmacol 2019; 113:77-85. [DOI: 10.1016/j.vph.2018.12.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 11/21/2018] [Accepted: 12/23/2018] [Indexed: 02/07/2023]
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330
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Chronic remote ischemic preconditioning-induced increase of circulating hSDF-1α level and its relation with reduction of blood pressure and protection endothelial function in hypertension. J Hum Hypertens 2019; 33:856-862. [PMID: 30631131 DOI: 10.1038/s41371-018-0151-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 11/16/2018] [Accepted: 12/03/2018] [Indexed: 01/28/2023]
Abstract
Although previous data showed that remote ischemic preconditioning (RIPC) has beneficial effect on blood pressure (BP) reduction, the efficacy of RIPC-induced decline in BP and the favorable humoral factors in hypertension is elusive. This present study is performed to evaluate whether RIPC reduces BP, improves microvascular endothelial function and increases circulating hSDF-1α generation in hypertension. Fifteen hypertensive patients received 3 periods of 5-min inflation/deflation of the forearm with a cuff on the upper arm daily for 30 days. Clinic and 24-h ambulatory blood pressure monitoring (ABPM) were examined before and after the end of this procedure. Microvascular endothelial function was measured by finger reactive hyperemia index (RHI) using the Endo-PAT 2000 device. The circulating hSDF-1α level was tested by ELISA. RIPC significantly decreased systolic BP (139.13 ± 6.68 versus 131.45 ± 7.45 mmHg) and diastolic BP (89.67 ± 4.98 versus 83.83 ± 6.65 mmHg), meanwhile 24-h ambulatory systolic and diastolic BP dropped from 136.33 ± 9.10 mmHg to 131.33 ± 7.12 mmHg and 87.60 ± 6.22 mmHg to 82.47 ± 4.47 mmHg respectively. RHI was improved (1.95 ± 0.34 versus 2.47 ± 0.44). Plasma hSDF-1α level was markedly increased after RIPC (1585.86 ± 167.17 versus 1719.54 ± 211.17 pg/ml). The increase in hSDF-1α level was associated with the fall in clinic and 24-h ABPM and rise in RHI. The present data suggests that RIPC may be a novel alternative or complementary intervention means to treat hypertension and protect endothelial function.
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331
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Zhu X, Du J, Yu J, Guo R, Feng Y, Qiao L, Xu Z, Yang F, Zhong G, Liu F, Cheng F, Chu M, Lin J. LncRNA NKILA regulates endothelium inflammation by controlling a NF-κB/KLF4 positive feedback loop. J Mol Cell Cardiol 2019; 126:60-69. [DOI: 10.1016/j.yjmcc.2018.11.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 09/22/2018] [Accepted: 11/01/2018] [Indexed: 12/23/2022]
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332
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Daly CJ. Examining Vascular Structure and Function Using Confocal Microscopy and 3D Imaging Techniques. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1120:97-106. [PMID: 30919297 DOI: 10.1007/978-3-030-06070-1_8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The structure of the blood vessel wall has historically been studied using thin cut sections using standard histological stains. In the mid-80s laser scanning confocal microscopes became available and offered investigators the chance to examine the 3D structure of thicker sections (i.e. ~60 μm depth penetration for a typical vascular wall). Unfortunately, desktop computers lagged far behind in their capacity to process and display large 3D (confocal) data sets. Even extremely highly priced graphics workstations of the early to mid-90s offered little in the way of flexible 3D viewing. Today's gaming PCs provide the kind of processing power that 3D confocal users have been waiting for. Coupled with high end animation software, virtual reality and game design software, we now have the capacity to exploit the huge data sets that modern microscopes can produce. In this chapter, the vascular wall will be used as an example of a biological tissue that can benefit from these developments in imaging hardware and software.
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Affiliation(s)
- Craig J Daly
- College of Medical Veterinary & Life Sciences, University of Glasgow, Glasgow, UK.
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333
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Pharmacological Effect of Quercetin in Hypertension and Its Potential Application in Pregnancy-Induced Hypertension: Review of In Vitro, In Vivo, and Clinical Studies. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:7421489. [PMID: 30622610 PMCID: PMC6304490 DOI: 10.1155/2018/7421489] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/25/2018] [Accepted: 11/08/2018] [Indexed: 01/27/2023]
Abstract
Since improving maternal and child health is a public health priority worldwide, the main aim of treatment of hypertension in pregnant women is to prevent complications during pregnancy, labor, and postpartum. In consequence, much attention is paid to the use of antihypertensive drugs that can be used safely during pregnancy. Several side effects of methyldopa, which is currently the most commonly used antihypertensive drug in pregnant women, mean that the search for an effective and safe alternative still continues. Flavonoid compounds present in medicinal plants, vegetables, and fruits may be a promising source of new drugs. In this aspect, quercetin, a well-known flavonoid due to its antihypertensive action, may be considered a prototype for safe antihypertensive drugs. This review focuses on the selective activity of quercetin. Based on recent studies, a few problems were discussed, including (1) pathology of pregnancy-induced hypertension; (2) search for new pharmacological treatments of pregnancy-induced hypertension; (3) issues with the use of herbal extracts during pregnancy; (4) flavonoids as natural active chemical compounds; (5) quercetin: its action during pregnancy, in vitro and in vivo pharmacological activities, clinical trials, and meta-analysis; (6) quercetin intake during pregnancy; (7) other natural compounds tested during pregnancy; (8) potential problems with the use of quercetin; (9) safety profile of quercetin. Various studies have shown a beneficial effect of quercetin on vascular endothelial function and its antioxidative and anti-inflammatory activity on cellular and tissue level. It is known that in animal models quercetin affects positively the development of embryo, fetus, and placenta. Because this flavonoid did not have teratogenic and abortive effect, it is generally recognized as safe. For this reason it should be appreciated and studied in the aspect of its potential use in the prevention and treatment of pregnancy-induced hypertension among women in this risk group.
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334
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Li T, Zhong Y, Tang T, Luo J, Cui H, Fan R, Wang Y, Wang D. Formononetin induces vasorelaxation in rat thoracic aorta via regulation of the PI3K/PTEN/Akt signaling pathway. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 12:3675-3684. [PMID: 30464399 PMCID: PMC6219413 DOI: 10.2147/dddt.s180837] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background Formononetin (FMN) is an isoflavone that produces arterial vasodilation. However, the underlying molecular mechanisms are unclear. Purpose The purpose of this study was to explore the vasorelaxant effect and the potential mechanism of FMN in vascular endothelium in isolated rat aorta. Methods The thoracic aortas of Sprague Dawley rats were isolated to test the arterial reactivity in the presence of FMN with or without inhibitors. Bioinformatics analyses, including a Bioinformatics Analysis Tool for Molecular Mechanism of Traditional Chinese Medicine and molecular docking methods, were performed to predict therapeutic targets responsible for the vascular protection produced by FMN. We used rat aortic endothelial cells (RAOECs) as an in vitro model to verify the potential mechanism through molecular biological analyses. The production of nitric oxide (NO) metabolites were evaluated via an NO assay kit according to the manufacturer's instruction. The mRNA expression of eNOS was analyzed by polymerase chain reaction, and the protein levels of PTEN, phosphorylated Akt, and eNOS were measured by Western blot. Results We found that FMN dilated rat aortic rings in a concentration-dependent manner, which was reduced by endothelium denudation and eNOS inhibition. The bioinformatics analyses indicated that FMN activity was associated with the PI3K/PTEN/Akt signaling pathway. Molecular biological studies demonstrated that FMN significantly elevated the levels of NO and eNOS mRNA and markedly increased the protein expression of phosphorylated Akt and eNOS in RAOECs, and decreased PTEN compared with a dimethyl sulfoxide group. Conclusion FMN performs vasorelaxation of the thoracic aorta through activating the PI3K/PTEN/Akt signaling pathway.
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Affiliation(s)
- Teng Li
- Laboratory of Ethnopharmacology, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha 410008, China, ;
| | - Yuanyuan Zhong
- Laboratory of Ethnopharmacology, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha 410008, China, ;
| | - Tao Tang
- Laboratory of Ethnopharmacology, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha 410008, China, ;
| | - Jiekun Luo
- Laboratory of Ethnopharmacology, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha 410008, China, ;
| | - Hanjin Cui
- Laboratory of Ethnopharmacology, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha 410008, China, ;
| | - Rong Fan
- Laboratory of Ethnopharmacology, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha 410008, China, ;
| | - Yang Wang
- Laboratory of Ethnopharmacology, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha 410008, China, ;
| | - Dongsheng Wang
- Laboratory of Ethnopharmacology, Institute of Integrative Medicine, Xiangya Hospital, Central South University, Changsha 410008, China, ;
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335
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Bermejo-Martin JF, Martín-Fernandez M, López-Mestanza C, Duque P, Almansa R. Shared Features of Endothelial Dysfunction between Sepsis and Its Preceding Risk Factors (Aging and Chronic Disease). J Clin Med 2018; 7:E400. [PMID: 30380785 PMCID: PMC6262336 DOI: 10.3390/jcm7110400] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 10/19/2018] [Accepted: 10/27/2018] [Indexed: 02/06/2023] Open
Abstract
Acute vascular endothelial dysfunction is a central event in the pathogenesis of sepsis, increasing vascular permeability, promoting activation of the coagulation cascade, tissue edema and compromising perfusion of vital organs. Aging and chronic diseases (hypertension, dyslipidaemia, diabetes mellitus, chronic kidney disease, cardiovascular disease, cerebrovascular disease, chronic pulmonary disease, liver disease, or cancer) are recognized risk factors for sepsis. In this article we review the features of endothelial dysfunction shared by sepsis, aging and the chronic conditions preceding this disease. Clinical studies and review articles on endothelial dysfunction in sepsis, aging and chronic diseases available in PubMed were considered. The main features of endothelial dysfunction shared by sepsis, aging and chronic diseases were: (1) increased oxidative stress and systemic inflammation, (2) glycocalyx degradation and shedding, (3) disassembly of intercellular junctions, endothelial cell death, blood-tissue barrier disruption, (4) enhanced leukocyte adhesion and extravasation, (5) induction of a pro-coagulant and anti-fibrinolytic state. In addition, chronic diseases impair the mechanisms of endothelial reparation. In conclusion, sepsis, aging and chronic diseases induce similar features of endothelial dysfunction. The potential contribution of pre-existent endothelial dysfunction to sepsis pathogenesis deserves to be further investigated.
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Affiliation(s)
- Jesus F Bermejo-Martin
- Group for Biomedical Research in Sepsis (Bio∙Sepsis), Hospital Clínico Universitario de Valladolid/IECSCYL, Av. Ramón y Cajal, 3, 47003 Valladolid, Spain.
- Centro de Investigación Biomedica En Red-Enfermedades Respiratorias (CibeRes, CB06/06/0028), Instituto de salud Carlos III (ISCIII), Av. de Monforte de Lemos, 5, 28029 Madrid, Spain.
| | - Marta Martín-Fernandez
- Group for Biomedical Research in Sepsis (Bio∙Sepsis), Hospital Clínico Universitario de Valladolid/IECSCYL, Av. Ramón y Cajal, 3, 47003 Valladolid, Spain.
| | - Cristina López-Mestanza
- Group for Biomedical Research in Sepsis (Bio∙Sepsis), Hospital Clínico Universitario de Valladolid/IECSCYL, Av. Ramón y Cajal, 3, 47003 Valladolid, Spain.
| | - Patricia Duque
- Anesthesiology and Reanimation Service, Hospital General Universitario Gregorio Marañón, Calle del Dr. Esquerdo, 46, 28007 Madrid, Spain.
| | - Raquel Almansa
- Group for Biomedical Research in Sepsis (Bio∙Sepsis), Hospital Clínico Universitario de Valladolid/IECSCYL, Av. Ramón y Cajal, 3, 47003 Valladolid, Spain.
- Centro de Investigación Biomedica En Red-Enfermedades Respiratorias (CibeRes, CB06/06/0028), Instituto de salud Carlos III (ISCIII), Av. de Monforte de Lemos, 5, 28029 Madrid, Spain.
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336
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Horn J, Tanz LJ, Stuart JJ, Markovitz AR, Skurnik G, Rimm EB, Missmer SA, Rich-Edwards JW. Early or late pregnancy loss and development of clinical cardiovascular disease risk factors: a prospective cohort study. BJOG 2018; 126:33-42. [PMID: 30144277 DOI: 10.1111/1471-0528.15452] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2018] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To assess the association between the outcome of a woman's first pregnancy and risk of clinical cardiovascular disease risk factors. DESIGN Prospective cohort study. SETTING AND POPULATION Nurses' Health Study II. METHODS Multivariable-adjusted Cox proportional hazards models were used to compute hazard ratios (HRs) and 95% confidence intervals (CIs) for the associations between first pregnancy outcome and hypertension, type 2 diabetes, and hypercholesterolemia. MAIN OUTCOME MEASURES Hypertension, type 2 diabetes, and hypercholesterolemia. RESULTS Compared to women who reported a singleton live first birth, women with early spontaneous abortion (<12 weeks) had a greater rate of type 2 diabetes (HR: 1.20; 95% CI: 1.07-1.34) and hypercholesterolemia (HR: 1.06; 95% CI: 1.02-1.10), and a marginally increased rate of hypertension (HR: 1.05, 95% CI: 1.00-1.11). Late spontaneous abortion (12-19 weeks) was associated with an increased rate of type 2 diabetes (HR: 1.38; 95% CI: 1.14-1.65), hypercholesterolemia (HR: 1.11; 95% CI: 1.03-1.19), and hypertension (HR: 1.15; 95% CI: 1.05-1.25). The rates of type 2 diabetes (HR: 1.45; 95% CI: 1.13-1.87) and hypertension (HR: 1.15; 95% CI: 1.01-1.30) were higher in women who delivered stillbirth. In contrast, women whose first pregnancy ended in an induced abortion had lower rates of hypertension (HR: 0.87; 95% CI: 0.84-0.91) and type 2 diabetes (HR: 0.89; 95% CI: 0.79-0.99) than women with a singleton live birth. CONCLUSIONS Several types of pregnancy loss were associated with an increased rate of hypertension, type 2 diabetes, and hypercholesterolemia, which may provide novel insight into the pathways through which pregnancy outcomes and CVD are linked. TWEETABLE ABSTRACT Pregnancy loss is associated with later maternal risk of hypertension, type 2 diabetes, and hypercholesterolemia.
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Affiliation(s)
- J Horn
- Department of Public Health and Nursing, Norwegian University of Science and Technology, Trondheim, Norway.,Department of Obstetrics and Gynecology, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway
| | - L J Tanz
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Division of Women's Health, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - J J Stuart
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Division of Women's Health, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - A R Markovitz
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Division of Women's Health, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - G Skurnik
- Division of Endocrinology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
| | - E B Rimm
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - S A Missmer
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Department of Obstetrics, Gynecology, and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, MI, USA
| | - J W Rich-Edwards
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.,Division of Women's Health, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA
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337
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Jekell A, Kalani M, Kahan T. The interrelation of endothelial function and microvascular reactivity in different vascular beds, and risk assessment in hypertension: results from the Doxazosin-ramipril study. Heart Vessels 2018; 34:484-495. [PMID: 30244381 PMCID: PMC6373355 DOI: 10.1007/s00380-018-1265-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 09/14/2018] [Indexed: 12/14/2022]
Abstract
There are several non-invasive methods to study endothelial function, but their interrelation and association to cardiovascular risk have not been well evaluated. We studied macrovascular and microvascular endothelial function simultaneously in different vascular beds in relation to cardiovascular mortality risk (Systematic Coronary Risk Evaluation, SCORE) and hypertension induced cardiac organ damage, and their interrelationship. The study investigated 71 hypertensive patients by forearm post-ischemic flow-mediated vasodilation, pulse wave analysis (applanation tonometry) and beta 2-adrenoceptor agonist stimulation for changes in reflection index, skin microvascular reactivity by laser Doppler fluxmetry with iontophoresis and heat-induced hyperaemia, and coronary microvascular function by subendocardial viability ratio (derived from pulse wave analysis). Flow mediated vasodilation related inversely to SCORE (r = 0.34, P = 0.011). Adding microalbuminuria and pulse wave velocity strengthened the associations. Pulse wave reflection changes did not relate to SCORE. Skin microvascular reactivity related inversely to SCORE (peak flux change to sodium nitroprusside r = 0.29, P = 0.033, and to heating r = 0.31, P = 0.018). Subendocardial viability ratio did not relate to SCORE. Endothelial function indices showed no consistent relation to cardiac target organ damage. The agreement between the different methods for evaluating indices of macrovascular and microvascular endothelial function was weak. In conclusion, indices of macrovascular and microvascular endothelial function relate to cardiovascular mortality risk. Their use may improve cardiovascular risk prediction in hypertension. However, methods representing different vascular beds show little interrelationship and are not interchangeable, which may depend on different pathogenetic mechanisms representing different aspects of future cardiovascular risk. Trial registry: NCT02901977
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Affiliation(s)
- Andreas Jekell
- Division of Cardiovascular Medicine, Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, 182 88, Stockholm, Sweden. .,Department of Cardiology, Danderyd University Hospital Corp, Stockholm, Sweden.
| | - Majid Kalani
- Division of Cardiovascular Medicine, Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, 182 88, Stockholm, Sweden
| | - Thomas Kahan
- Division of Cardiovascular Medicine, Department of Clinical Sciences, Danderyd Hospital, Karolinska Institutet, 182 88, Stockholm, Sweden.,Department of Cardiology, Danderyd University Hospital Corp, Stockholm, Sweden
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338
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Gu Y, Zheng L, Zhang Q, Liu L, Meng G, Yao Z, Wu H, Xia Y, Bao X, Shi H, Wang H, Xu H, Sun S, Wang X, Zhou M, Jia Q, Song K, Niu K. Relationship between thyroid function and elevated blood pressure in euthyroid adults. J Clin Hypertens (Greenwich) 2018; 20:1541-1549. [PMID: 30260550 DOI: 10.1111/jch.13369] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 06/22/2018] [Accepted: 07/13/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Yeqing Gu
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
| | - Lixiao Zheng
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
| | - Qing Zhang
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
| | - Li Liu
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
| | - Ge Meng
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
| | - Zhanxin Yao
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
- Tianjin Institute of Health and Environmental Medicine Tianjin China
| | - Hongmei Wu
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
| | - Yang Xia
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
| | - Xue Bao
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
| | - Hongbin Shi
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
| | - Honglei Wang
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
| | - Haiyan Xu
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
| | - Shaomei Sun
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
| | - Xing Wang
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
| | - Ming Zhou
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
| | - Qiyu Jia
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
| | - Kun Song
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
| | - Kaijun Niu
- Nutritional Epidemiology Institute and School of Public Health Tianjin Medical University Tianjin China
- Health Management Centre Tianjin Medical University General Hospital Tianjin China
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339
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Li JR, Zhao YS, Chang Y, Yang SC, Guo YJ, Ji ES. Fasudil improves endothelial dysfunction in rats exposed to chronic intermittent hypoxia through RhoA/ROCK/NFATc3 pathway. PLoS One 2018; 13:e0195604. [PMID: 29641598 PMCID: PMC5895022 DOI: 10.1371/journal.pone.0195604] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 03/26/2018] [Indexed: 12/21/2022] Open
Abstract
Endothelial dysfunction is one of the main pathological changes in Obstructive sleep apnoea (OSA). The Rho kinase (ROCK) pathway is associated with endothelial dysfunction. However, the interaction between ROCK and nuclear factor of activated T cells isoform c3 (NFATc3) in the development of this pathological response under chronic intermittent hypoxia (CIH) is unclear. To simulate the OSA model, we established a moderate CIH rat model by administering the fraction of inspired O2 (FiO2) from 21% to 9%, 20 times/h, 8 h/day for 3 weeks. Fasudil (ROCK inhibitor, 8 mg/kg/d, i.p.) was administrated in the rats exposed to CIH for 3 weeks. Our results demonstrated that CIH caused significantly endothelial dysfunction, accompanying with increased ET-1 level, decreased eNOS expression and NO production, which reduced ACh-induced vascular relaxation responses. Moreover, RhoA/ROCK-2/NFATc3 expressions were up-regulated. Fasudil significantly improved CIH induced endothelial dysfunction. Data suggested that the ROCK activation is necessary for endothelial dysfunction during CIH.
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Affiliation(s)
- Jie-Ru Li
- Department of Physiology, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, P.R. China
| | - Ya-Shuo Zhao
- Scientific Research Center, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, P.R. China
| | - Yue Chang
- Department of Physiology, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, P.R. China
| | - Sheng-Chang Yang
- Department of Physiology, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, P.R. China
| | - Ya-Jing Guo
- Scientific Research Center, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, P.R. China
| | - En-Sheng Ji
- Department of Physiology, Hebei University of Chinese Medicine, Shijiazhuang, Hebei, P.R. China
- * E-mail:
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340
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Fenugreek (Trigonella Foenum-Graecum) Seed Flour and Diosgenin Preserve Endothelium-Dependent Arterial Relaxation in a Rat Model of Early-Stage Metabolic Syndrome. Int J Mol Sci 2018. [PMID: 29534453 PMCID: PMC5877659 DOI: 10.3390/ijms19030798] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Fenugreek is a common herb possessing several bioactive components including diosgenin. Here, dietary fenugreek seed flour and diosgenin were evaluated on a model of endothelium-dependent vasorelaxation by abdominal aortas isolated from rats receiving high-fat, high-sugar diet (HFHSD). 60 male Wistar rats were randomized into six groups: (i) negative control getting conventional rat feed regimen; (ii) positive control receiving HFHSD; (iii) a test group fed 2 g/kg bw/day fenugreek seed flour (containing 10 mg/kg bw/day diosgenin) + HFHSD; (iv) three test groups fed 1, 10 and 50 mg/kg bw/day diosgenin + HFHSD. Alimentary treatments were carried out for six weeks. The abdominal aortas were isolated, and 2 mm wide rings were sectioned off and mounted at a resting tension of 10 mN in organ baths containing Krebs solution (36 °C) exposed to 95% O2 and 5% CO2. After 60-min incubation, a norepinephrine concentration-response (E/c) curve was generated to determine their half-maximal effective concentration (EC50) value. After 60-min wash-out, a pre-contraction with norepinephrine EC50 was made, followed by an acetylcholine E/c curve. Plasma glutathione levels, glutathione-handling enzyme activities and blood antioxidant capacities were also determined. HFHSD significantly decreased the dilatory response to acetylcholine and increased plasma glutathione levels and these effects were significantly reversed by fenugreek seed flour, 10 and 50 mg/kg bw/day diosgenin. Both fenugreek and diosgenin treatments prevent HFHSD-induced endothelial dysfunction and redox changes. As fenugreek treatment was more effective at lower acetylcholine concentrations than diosgenin treatments, components of fenugreek other than diosgenin may contribute to the beneficial effects of dietary fenugreek seed flour.
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341
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Kim HJ, Noh JS, Song YO. Beneficial Effects of Kimchi, a Korean Fermented Vegetable Food, on Pathophysiological Factors Related to Atherosclerosis. J Med Food 2017; 21:127-135. [PMID: 29271694 DOI: 10.1089/jmf.2017.3946] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Atherosclerosis is a progressive disease that is characterized by accumulation of lipids and fibrous elements in large arteries. Its etiology is involved with pathophysiological factors such as lipoprotein oxidation, inflammation, and dyslipidemia. Kimchi is a Korean fermented vegetable side dish made with vegetables and kimchi condiments. To date, numerous in vitro, in vivo, and human studies have cited the health benefits of kimchi. 3-(4'-Hydroxyl-3',5'-dimethoxyphenyl)propionic acid is one of the active compounds of kimchi, and its antioxidant and anti-atherosclerosclerotic effects have been reported. This review presents the laboratory and clinical evidence of the anti-atherosclerotic effects of kimchi based on its lipid-lowering, antioxidant, and anti-inflammatory activities.
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Affiliation(s)
- Hyun Ju Kim
- 1 Industrial Technology Research Group, Research and Development Division, World Institute of Kimchi , Gwangju, Korea
| | - Jeong Sook Noh
- 2 Department of Food Science and Nutrition, Tongmyong University , Busan, Korea
| | - Yeong Ok Song
- 3 Department of Food Science and Nutrition, Kimchi Research Institute, Pusan National University , Busan, Korea
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342
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Xu J, Chen L, Li L. Pannexin hemichannels: A novel promising therapy target for oxidative stress related diseases. J Cell Physiol 2017; 233:2075-2090. [PMID: 28295275 DOI: 10.1002/jcp.25906] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Accepted: 03/09/2017] [Indexed: 12/16/2022]
Abstract
Pannexins, which contain three subtypes: pannexin-1, -2, and -3, are vertebrate glycoproteins that form non-junctional plasma membrane intracellular hemichannels via oligomerization. Oxidative stress refers to an imbalance of the generation and elimination of reactive oxygen species (ROS). Studies have shown that elevated ROS levels are pivotal in the development of a variety of diseases. Recent studies indicate that the occurrence of these oxidative stress related diseases is associated with pannexin hemichannels. It is also reported that pannexins regulate the production of ROS which in turn may increase the opening of pannexin hemichannels. In this paper, we review recent researches about the important role of pannexin hemichannels in oxidative stress related diseases. Thus, pannexin hemichannels, novel therapeutic targets, hold promise in managing oxidative stress related diseases such as the tumor, inflammatory bowel diseases (IBD), pulmonary fibrosis, chronic obstructive pulmonary disease (COPD), cardiovascular disease, insulin resistance (IR), and neural degeneration diseases.
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Affiliation(s)
- Jin Xu
- Learning Key Laboratory for Pharmacoproteomics, Institute of Pharmacy and Pharmacology, University of South China, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, P. R. China
| | - Linxi Chen
- Learning Key Laboratory for Pharmacoproteomics, Institute of Pharmacy and Pharmacology, University of South China, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, P. R. China
| | - Lanfang Li
- Learning Key Laboratory for Pharmacoproteomics, Institute of Pharmacy and Pharmacology, University of South China, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang, P. R. China
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