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Valdes-Marquez E, Clarke R, Hill M, Watkins H, Hopewell JC. Proteomic profiling identifies novel independent relationships between inflammatory proteins and myocardial infarction. Eur J Prev Cardiol 2023; 30:583-591. [PMID: 36702559 DOI: 10.1093/eurjpc/zwad020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 01/04/2023] [Accepted: 01/23/2023] [Indexed: 01/28/2023]
Abstract
BACKGROUND Inflammation has been implicated in the pathogenesis of coronary heart disease, but the relevance and independence of individual inflammatory proteins is uncertain. OBJECTIVE To examine the relationships between a spectrum of inflammatory proteins and myocardial infarction (MI). METHODS AND RESULTS A panel of 92 inflammatory proteins was assessed using an OLINK multiplex immunoassay among 432 MI cases (diagnosed < 66 years) and 323 controls. Logistic regression was used to estimate associations between individual proteins and MI, after adjustment for established cardiovascular risk factors and medication use, and stepwise regression to identify proteins with independent effects. Machine learning techniques (Boruta analysis and LASSO regression) and bioinformatic resources were used to examine the concordance of results with those obtained by conventional methods and explore the underlying biological processes to inform the validity of the associations. Among the 92 proteins studied, 62 (67%) had plasma concentrations above the lower limit of detection in at least 50% of samples. Of these, 15 individual proteins were significantly associated with MI after covariate adjustment and correction for multiple testing. Five of these 15 proteins (CDCP1, CD6, IL1-8R1, IL-6, and CXCL1) were independently associated with MI, with up to three-fold higher risks of MI per doubling in plasma concentrations. Findings were further validated using machine learning techniques and biologically focused analyses. CONCLUSIONS This study, demonstrating independent relationships between five inflammatory proteins and MI, provides important novel insights into the inflammatory hypothesis of MI and the potential utility of proteomic analyses in precision medicine.
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Affiliation(s)
- Elsa Valdes-Marquez
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Roosevelt Drive, Oxford OX3 7LF, UK
| | - Robert Clarke
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Roosevelt Drive, Oxford OX3 7LF, UK
| | - Michael Hill
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Roosevelt Drive, Oxford OX3 7LF, UK
| | - Hugh Watkins
- The Wellcome Centre for Human Genetics, University of Oxford, Roosevelt Dr, Headington, Oxford OX3 7BN, UK
- Radcliffe Department of Medicine, Division of Cardiovascular Medicine, University of Oxford, Level 4, Academic Block, John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
| | - Jemma C Hopewell
- Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Roosevelt Drive, Oxford OX3 7LF, UK
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2
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Shukor MFA, Musthafa QA, Mohd Yusof YA, Wan Ngah WZ, Ismail NAS. Biomarkers for Premature Coronary Artery Disease (PCAD): A Case Control Study. Diagnostics (Basel) 2023; 13:diagnostics13020188. [PMID: 36672997 PMCID: PMC9858259 DOI: 10.3390/diagnostics13020188] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/05/2022] [Accepted: 12/22/2022] [Indexed: 01/06/2023] Open
Abstract
Coronary artery disease (CAD) is often associated with the older generation. However, in recent years, there is an increasing trend in the prevalence of CAD among the younger population; this is known as premature CAD. Although biomarkers for CAD have been established, there are limited studies focusing on premature CAD especially among the Malay male population. Thus, the aim of this research was to compare the biomarkers between premature CAD (PCAD) and older CAD (OCAD) among Malay males. Subjects, recruited from the Universiti Kebangsaan Malaysia Medical Centre and National Heart Institution, were divided into four groups: healthy control < 45 years old; premature CAD (PCAD) < 45 years old; healthy control > 60 years old; and older CAD (OCAD) > 60 years old, with n = 30 for each group. Ten potential markers for CAD including soluble sVCAM-1, sICAM-1, interleukin-2, interleukin-6, interleukin-10, Apo-E and Apo-A1, homocysteine, CRP, and vitamin D levels were examined. Our results revealed premature CAD patients had significantly higher values (p < 0.05) of sVCAM-1, CRP, interleukin-6, and vitamin D when compared to the age-matched controls. Similarly, older CAD patients showed higher levels of sVCAM-1, CRP, and interleukin-2 when compared to their age-matched controls. After adjusting for multiple parameters, only CRP remained significant for PCAD and interleukin-2 remained significant for CAD. This indicates that premature CAD and older CAD patients showed different profiles of protein biomarkers. CRP has the potential to become a biomarker for premature CAD while interleukin-2 is a better biomarker for older CAD together with other typical panels of protein biomarkers.
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Affiliation(s)
- Muhammad Faizan A. Shukor
- Chemical Defense Research Center, National Defense University of Malaysia, Kuala Lumpur 57000, Malaysia
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia (UKM), Kuala Lumpur 56000, Malaysia
| | - Qurratu Aini Musthafa
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia (UKM), Kuala Lumpur 56000, Malaysia
| | - Yasmin Anum Mohd Yusof
- Department of Biochemistry, Faculty of Medicine, National Defense University of Malaysia, Kuala Lumpur 57000, Malaysia
| | - Wan Zurinah Wan Ngah
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia (UKM), Kuala Lumpur 56000, Malaysia
| | - Noor Akmal Shareela Ismail
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia (UKM), Kuala Lumpur 56000, Malaysia
- Correspondence: ; Tel.: +60-(3)-91459552
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3
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Moreira Allgayer RMC, Borba GDS, Moraes RS, Ramos RB, Spritzer PM. The Effect of Gender-Affirming Hormone Therapy on the Risk of Subclinical Atherosclerosis in the Transgender Population: A Systematic Review. Endocr Pract 2023:S1530-891X(22)00909-0. [PMID: 36603652 DOI: 10.1016/j.eprac.2022.12.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 12/28/2022] [Accepted: 12/28/2022] [Indexed: 01/04/2023]
Abstract
OBJECTIVE The impact of gender-affirming hormone therapy (GAHT) on cardiovascular (CV) health is still not entirely established. A systematic review was conducted to summarize the evidence on the risk of subclinical atherosclerosis in transgender people receiving GAHT. METHODS A systematic review was performed following Preferred Reporting Items for Systematic Reviews and Meta-analyses guidelines, and data were searched in PubMed, LILACS, EMBASE, and Scopus databases for cohort, case-control, and cross-sectional studies or randomized clinical trials, including transgender people receiving GAHT. Transgender men and women before and during/after GAHT for at least 2 months, compared with cisgender men and women or hormonally untreated transgender persons. Studies reporting changes in variables related to endothelial function, arterial stiffness, autonomic function, and blood markers of inflammation/coagulation associated with CV risk were included. RESULTS From 159 potentially eligible studies initially identified, 12 were included in the systematic review (8 cross-sectional and 4 cohort studies). Studies of trans men receiving GAHT reported increased carotid thickness, brachial-ankle pulse wave velocity, and decreased vasodilation. Studies of trans women receiving GAHT reported decreased interleukin 6, plasminogen activator inhibitor-1, and tissue plasminogen activator levels and brachial-ankle pulse wave velocity, with variations in flow-mediated dilation and arterial stiffness depending on the type of treatment and route of administration. CONCLUSIONS The results suggest that GAHT is associated with an increased risk of subclinical atherosclerosis in transgender men but may have either neutral or beneficial effects in transgender women. The evidence produced is not entirely conclusive, suggesting that additional studies are warranted in the context of primary prevention of CV disease in the transgender population receiving GAHT. SYSTEMATIC REVIEW REGISTRATION PROSPERO, identifier CRD42022323757.
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Affiliation(s)
- Roberta M C Moreira Allgayer
- Gynecological Endocrinology Unit, Division of Endocrinology, and Gender Identity Program, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil; Post-graduate Program in Endocrinology, Medicine School, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Gustavo da Silva Borba
- Gynecological Endocrinology Unit, Division of Endocrinology, and Gender Identity Program, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Ruy Silveira Moraes
- Division of Cardiology, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Ramon Bossardi Ramos
- Post-graduate Program in Endocrinology, Medicine School, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Department of Molecular and Cellular Physiology, Albany Medical College, Albany, New York
| | - Poli Mara Spritzer
- Gynecological Endocrinology Unit, Division of Endocrinology, and Gender Identity Program, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil; Post-graduate Program in Endocrinology, Medicine School, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Department of Physiology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
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4
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Poredoš P, Cífková R, Marie Maier JA, Nemcsik J, Šabovič M, Jug B, Ježovnik MK, Schernthaner GH, Antignani PL, Catalano M, Fras Z, Höbaus C, Nicolaides AN, Paraskevas KI, Reiner Ž, Wohlfahrt P, Poredoš P, Blinc A. Preclinical atherosclerosis and cardiovascular events: Do we have a consensus about the role of preclinical atherosclerosis in the prediction of cardiovascular events? Atherosclerosis 2022; 348:25-35. [PMID: 35398698 DOI: 10.1016/j.atherosclerosis.2022.03.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/02/2022] [Accepted: 03/30/2022] [Indexed: 12/24/2022]
Abstract
Atherosclerosis has a long preclinical phase, and the risk of cardiovascular (CV) events may be high in asymptomatic subjects. Conventional risk factors provide information for the statistical probability of developing CV events, but they lack precision in asymptomatic subjects. This review aims to summarize the role of some widely publicized indicators of early atherosclerosis in predicting CV events. The earliest measurable indicator of the atherosclerotic process is endothelial dysfunction, measured by flow-mediated dilation (FMD) of the brachial artery. However, reduced FMD is a stronger predictor of future CV events in patients with existing CV disease than in apparently healthy persons. Alternatively, measurement of carotid artery intima-media thickness does not improve the predictive value of risk factor scores, while detection of asymptomatic atherosclerotic plaques in carotid or common femoral arteries by ultrasound indicates high CV risk. Coronary calcium is a robust and validated help in the estimation of vascular changes and risk, which may improve risk stratification beyond traditional risk factors with relatively low radiation exposure. Arterial stiffness of the aorta, measured as the carotid-femoral pulse wave velocity is an independent marker of CV risk at the population level, but it is not recommended as a routine procedure because of measurement difficulties. Low ankle-brachial index (ABI) indicates flow-limiting atherosclerosis in the lower limbs and indicates high CV risk, while normal ABI does not rule out advanced asymptomatic atherosclerosis. Novel circulating biomarkers are associated with the atherosclerotic process. However, because of limited specificity, their ability to improve risk classification at present remains low.
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Affiliation(s)
- Pavel Poredoš
- Department of Vascular Disease, University Medical Center Ljubljana, Zaloska cesta 2, 1000, Ljubljana, Slovenia; Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000, Ljubljana, Slovenia.
| | - Renata Cífková
- Center for Cardiovascular Prevention, Charles University in Prague, First Faculty of Medicine and Thomayer University Hospital, Kateřinská 1660/32, 121 08, Nové Město, Czech Republic; Department of Medicine II, Charles University in Prague, First Faculty of Medicine, Kateřinská 1660/32, 121 08, Nové Město, Czech Republic.
| | - Jeanette Anne Marie Maier
- The University of Milan, Department of Biomedical and Clinical Sciences "L. Sacco", Via Giovanni Battista Grassi 74, 20157, Milano, Italy.
| | - Janos Nemcsik
- Department of Family Medicine, Semmelweis University, Stáhly u. 7-9, 1085, Budapest, Hungary; Health Service of Zugló (ZESZ), Department of Family Medicine, Hermina út 7, Budapest, Hungary.
| | - Mišo Šabovič
- Department of Vascular Disease, University Medical Center Ljubljana, Zaloska cesta 2, 1000, Ljubljana, Slovenia; Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000, Ljubljana, Slovenia.
| | - Borut Jug
- Department of Vascular Disease, University Medical Center Ljubljana, Zaloska cesta 2, 1000, Ljubljana, Slovenia; Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000, Ljubljana, Slovenia.
| | - Mateja Kaja Ježovnik
- The University of Texas Health Science Center at Houston, Advanced Cardiopulmonary Therapies and Transplantation, 6400 Fannin St, Houston, TX 77030, Texas, USA.
| | - Gerit Holger Schernthaner
- The Medical University of Vienna, Department of Internal Medicine II, Währinger Gürtel 18-20, 1090, Vienna, Austria.
| | - Pier Luigi Antignani
- Vascular Centre, Nuova Villa Claudia, Via Flaminia Nuova, 280, 00191, Rome, Italy.
| | - Mariella Catalano
- The University of Milan, Research Center on Vascular Disease & Angiology Unit L Sacco Hospital, via G.B.Grassi, 74-20157, Milan, Italy.
| | - Zlatko Fras
- Department of Vascular Disease, University Medical Center Ljubljana, Zaloska cesta 2, 1000, Ljubljana, Slovenia; Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000, Ljubljana, Slovenia.
| | - Clemens Höbaus
- The Medical University of Vienna, Department of Internal Medicine II, Währinger Gürtel 18-20, 1090, Vienna, Austria.
| | - Andrew N Nicolaides
- Vascular Screening and Diagnostic Centre, Kyriakou Matsi 2, Agios Dometios, 2368, Cyprus; University of Nicosia Medical School, 93 Ayiou Nikolaou Street, Egkomi, 2408, Cyprus; Department of Vascular Surgery, Imperial College, London, UK.
| | - Kosmas I Paraskevas
- Department of Vascular Surgery, Central Clinic of Athens, Asklipiou 31, Athina, 106 80, Greece.
| | - Željko Reiner
- Department for Metabolic Diseases, University Hospital Center Zagreb, School of Medicine, University of Zagreb, Zagreb, Croatia.
| | - Peter Wohlfahrt
- Center for Cardiovascular Prevention, Charles University in Prague, First Faculty of Medicine and Thomayer University Hospital, Kateřinská 1660/32, 121 08, Nové Město, Czech Republic; Department of Medicine II, Charles University in Prague, First Faculty of Medicine, Kateřinská 1660/32, 121 08, Nové Město, Czech Republic.
| | - Peter Poredoš
- Department of Anaesthesiology and Perioperative Intensive Care, University Medical Center Ljubljana, Zaloska cesta 2, 1000, Ljubljana, Slovenia.
| | - Aleš Blinc
- Department of Vascular Disease, University Medical Center Ljubljana, Zaloska cesta 2, 1000, Ljubljana, Slovenia; Faculty of Medicine, University of Ljubljana, Vrazov trg 2, 1000, Ljubljana, Slovenia.
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5
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Ziegler L, Hedin U, Gottsäter A. Circulating Biomarkers in Lower Extremity Artery Disease. Eur Cardiol 2022; 17:e09. [PMID: 35401792 PMCID: PMC8978021 DOI: 10.15420/ecr.2021.58] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 01/31/2022] [Indexed: 12/24/2022] Open
Abstract
Lower extremity artery disease (LEAD), a chronic condition with disturbed lower extremity circulation due to narrowing of the arteries, is predominantly caused by atherosclerosis and is associated with the presence of cardiovascular risk factors and an increased risk of cardiovascular events. LEAD is prevalent among older individuals and predicted to rise with the ageing population. In progressive disease, the patient experiences symptoms of ischaemia when walking and, in advanced critical limb-threatening ischaemia, even at rest. However, LEAD is asymptomatic in most patients, delaying diagnosis and treatment. In this setting, circulating biomarkers may facilitate earlier diagnosis in selected individuals. This review provides a broad overview of the circulating biomarkers investigated to date in relation to LEAD and discusses their usefulness in clinical practice.
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Affiliation(s)
- Louise Ziegler
- Division of Internal Medicine, Department of Clinical Sciences, Karolinska Institute, Danderyd Hospital, Stockholm, Sweden
| | - Ulf Hedin
- Vascular Surgery Division, Department of Molecular Medicine and Surgery, Karolinska Institute, Stockholm, Sweden
| | - Anders Gottsäter
- Department of Medicine, Lund University, Malmö, Sweden; Department of Medicine, Skåne University Hospital, Malmö, Sweden
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6
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Sallam M, Benotmane MA, Baatout S, Guns PJ, Aerts A. Radiation-induced cardiovascular disease: an overlooked role for DNA methylation? Epigenetics 2022; 17:59-80. [PMID: 33522387 PMCID: PMC8812767 DOI: 10.1080/15592294.2021.1873628] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 11/27/2020] [Accepted: 01/04/2021] [Indexed: 11/25/2022] Open
Abstract
Radiotherapy in cancer treatment involves the use of ionizing radiation for cancer cell killing. Although radiotherapy has shown significant improvements on cancer recurrence and mortality, several radiation-induced adverse effects have been documented. Of these adverse effects, radiation-induced cardiovascular disease (CVD) is particularly prominent among patients receiving mediastinal radiotherapy, such as breast cancer and Hodgkin's lymphoma patients. A number of mechanisms of radiation-induced CVD pathogenesis have been proposed such as endothelial inflammatory activation, premature endothelial senescence, increased ROS and mitochondrial dysfunction. However, current research seems to point to a so-far unexamined and potentially novel involvement of epigenetics in radiation-induced CVD pathogenesis. Firstly, epigenetic mechanisms have been implicated in CVD pathophysiology. In addition, several studies have shown that ionizing radiation can cause epigenetic modifications, especially DNA methylation alterations. As a result, this review aims to provide a summary of the current literature linking DNA methylation to radiation-induced CVD and thereby explore DNA methylation as a possible contributor to radiation-induced CVD pathogenesis.
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Affiliation(s)
- Magy Sallam
- Radiobiology Unit, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), Mol, Belgium
- Laboratory of Physiopharmacology, University of Antwerp, Wilrijk, Belgium
| | - Mohammed Abderrafi Benotmane
- Radiobiology Unit, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), Mol, Belgium
| | - Sarah Baatout
- Radiobiology Unit, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), Mol, Belgium
- Department of Molecular Biotechnology, Ghent University, Ghent, Belgium
| | - Pieter-Jan Guns
- Laboratory of Physiopharmacology, University of Antwerp, Wilrijk, Belgium
| | - An Aerts
- Radiobiology Unit, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), Mol, Belgium
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7
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Borowska M, Winiarska H, Dworacka M, Wesołowska A, Dworacki G, Mikołajczak PŁ. The Effect of Homocysteine on the Secretion of Il-1β, Il-6, Il-10, Il-12 and RANTES by Peripheral Blood Mononuclear Cells-An In Vitro Study. Molecules 2021; 26:molecules26216671. [PMID: 34771080 PMCID: PMC8588228 DOI: 10.3390/molecules26216671] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 11/25/2022] Open
Abstract
The contemporary theory of the inflammatory-immunological pathomechanism of atherosclerosis includes the participation of interleukin-1β (Il), Il-6, Il-10, Il-12, RANTES, and homocysteine in this process. The knowledge on the direct effect of hyperhomocysteinemia on inflammatory-state-related atherosclerosis is rather scarce. Our study is the first to account for the effects of homocysteine on the secretion of Il-10 and RANTES in vitro conditions. For this purpose, human mitogen-stimulated peripheral blood mononuclear cells (PBMNCs) were cultured in vitro and exposed to homocysteine at high concentrations. Subsequently, the concentrations of cytokines were assayed in the cell culture supernatant using flow cytofluorimetry. It has been shown that, in the presence of homocysteine, the secretion of IL-1, IL-6 and RANTES by PBMNCs was increased, whereas IL-10 concentration was significantly lower than that of the supernatant derived from a mitogen-stimulated cell culture without homocysteine. The secretion of Il-12 by PBMNCs exposed exclusively to mitogen, did not differ from homologous cells also treated with homocysteine. Therefore, in our opinion, high-concentration homocysteine affects the progression of atherosclerosis by increasing the secretion of proinflammatory cytokines secreted by PBMNCs, such as Il-1β, Il-6, RANTES, and by attenuating the secretion of Il-10.
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Affiliation(s)
- Magdalena Borowska
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
- Correspondence:
| | - Hanna Winiarska
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
| | - Marzena Dworacka
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
| | - Anna Wesołowska
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
| | - Grzegorz Dworacki
- Department of Clinical Pathology, Poznan University of Medical Sciences, 60-355 Poznan, Poland;
| | - Przemysław Łukasz Mikołajczak
- Department of Pharmacology, Poznan University of Medical Sciences, 60-806 Poznan, Poland; (H.W.); (M.D.); (A.W.); (P.Ł.M.)
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8
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Kihara T, Toriuchi K, Aoki H, Kakita H, Yamada Y, Aoyama M. Interleukin-1β enhances cell adhesion in human endothelial cells via microRNA-1914-5p suppression. Biochem Biophys Rep 2021; 27:101046. [PMID: 34179516 PMCID: PMC8214032 DOI: 10.1016/j.bbrep.2021.101046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/28/2021] [Accepted: 06/06/2021] [Indexed: 12/20/2022] Open
Abstract
Atherosclerosis is a chronic inflammatory disease and the underlying cause of most cardiovascular diseases. Interleukin (IL)-1β facilitates early atherogenic lesion formation by increasing monocyte adhesion to endothelial cells via upregulation of adhesion molecules, including intercellular adhesion molecule-1 (ICAM-1). MicroRNAs (miRNAs) have been shown to be associated with inflammatory conditions in the vascular system. The expression of circulating miR-1914-5p is reportedly downregulated in patients with cardiovascular diseases. However, the role of miR-1914-5p downregulation in IL-1β-induced endothelial cell dysfunction and the effect of miR-1914-5p on lesion formation remain unclear. Therefore, we investigated whether miR-1914-5p is associated with monocyte adhesion in human endothelial cells. IL-1β decreased miR-1914-5p expression in EA.hy926 cells. In addition, miR-1914-5p depletion enhanced ICAM-1 expression and monocyte adhesion in EA.hy926 cells. Moreover, miR-1914-5p mimic suppressed monocyte adhesion and ICAM-1 expression induced by IL-1β in endothelial cells. These results suggest that suppression of miR-1914-5p expression by IL-1β may be an important regulator in mediating monocyte adhesion in endothelial cells. Further investigation of miR-1914-5p may lead to the development of novel therapeutic strategies for atherosclerosis.
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Affiliation(s)
- Toshie Kihara
- Department of Pathobiology, Nagoya City University Graduate School of Pharmaceutical Sciences, 3-1 Tanabe-dori, Mizoho-ku, Nagoya, Aichi, 467-8603, Japan
| | - Kohki Toriuchi
- Department of Pathobiology, Nagoya City University Graduate School of Pharmaceutical Sciences, 3-1 Tanabe-dori, Mizoho-ku, Nagoya, Aichi, 467-8603, Japan
| | - Hiromasa Aoki
- Department of Pathobiology, Nagoya City University Graduate School of Pharmaceutical Sciences, 3-1 Tanabe-dori, Mizoho-ku, Nagoya, Aichi, 467-8603, Japan
| | - Hiroki Kakita
- Department of Pathobiology, Nagoya City University Graduate School of Pharmaceutical Sciences, 3-1 Tanabe-dori, Mizoho-ku, Nagoya, Aichi, 467-8603, Japan
- Department of Perinatal and Neonatal Medicine, Aichi Medical University, 1-1 Yazakokarimata, Nagakute, Aichi, 480-1195, Japan
| | - Yasumasa Yamada
- Department of Perinatal and Neonatal Medicine, Aichi Medical University, 1-1 Yazakokarimata, Nagakute, Aichi, 480-1195, Japan
| | - Mineyoshi Aoyama
- Department of Pathobiology, Nagoya City University Graduate School of Pharmaceutical Sciences, 3-1 Tanabe-dori, Mizoho-ku, Nagoya, Aichi, 467-8603, Japan
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9
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Vahdat-Lasemi F, Aghaee-Bakhtiari SH, Tasbandi A, Jaafari MR, Sahebkar A. Targeting interleukin-β by plant-derived natural products: Implications for the treatment of atherosclerotic cardiovascular disease. Phytother Res 2021; 35:5596-5622. [PMID: 34390063 DOI: 10.1002/ptr.7194] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 05/21/2021] [Accepted: 05/29/2021] [Indexed: 01/31/2023]
Abstract
Inflammation is the main contributing factor to atheroma formation in atherosclerosis. Interleukin-1 beta (IL-1β) is an inflammatory mediator found in endothelial cells and resident leukocytes. Canakinumab is a selective monoclonal antibody against IL-1β which attenuates inflammation and concurrently precipitates fatal infections and sepsis. Natural products derived from medicinal plants, herbal remedy and functional foods are widely used nowadays. Experimental and clinical trial evidence supports that some natural products such as curcumin, resveratrol, and quercetin have potential effects on IL-1β suppression. In this review, we tried to document findings that used medicinal plants and plant-based natural products for treating atherosclerosis and its related diseases through the suppression of IL-1β.
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Affiliation(s)
- Fatemeh Vahdat-Lasemi
- Department of Medical Biotechnology and Nanotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Aida Tasbandi
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahmoud Reza Jaafari
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Medicine, The University of Western Australia, Perth, Australia
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10
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Nagashima M, Hitchcock PF. Inflammation Regulates the Multi-Step Process of Retinal Regeneration in Zebrafish. Cells 2021; 10:cells10040783. [PMID: 33916186 PMCID: PMC8066466 DOI: 10.3390/cells10040783] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/25/2021] [Accepted: 03/27/2021] [Indexed: 12/20/2022] Open
Abstract
The ability to regenerate tissues varies between species and between tissues within a species. Mammals have a limited ability to regenerate tissues, whereas zebrafish possess the ability to regenerate almost all tissues and organs, including fin, heart, kidney, brain, and retina. In the zebrafish brain, injury and cell death activate complex signaling networks that stimulate radial glia to reprogram into neural stem-like cells that repair the injury. In the retina, a popular model for investigating neuronal regeneration, Müller glia, radial glia unique to the retina, reprogram into stem-like cells and undergo a single asymmetric division to generate multi-potent retinal progenitors. Müller glia-derived progenitors then divide rapidly, numerically matching the magnitude of the cell death, and differentiate into the ablated neurons. Emerging evidence reveals that inflammation plays an essential role in this multi-step process of retinal regeneration. This review summarizes the current knowledge of the inflammatory events during retinal regeneration and highlights the mechanisms whereby inflammatory molecules regulate the quiescence and division of Müller glia, the proliferation of Müller glia-derived progenitors and the survival of regenerated neurons.
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11
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Santi D, Spaggiari G, Greco C, Lazzaretti C, Paradiso E, Casarini L, Potì F, Brigante G, Simoni M. The "Hitchhiker's Guide to the Galaxy" of Endothelial Dysfunction Markers in Human Fertility. Int J Mol Sci 2021; 22:ijms22052584. [PMID: 33806677 PMCID: PMC7961823 DOI: 10.3390/ijms22052584] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 02/24/2021] [Accepted: 02/28/2021] [Indexed: 02/06/2023] Open
Abstract
Endothelial dysfunction is an early event in the pathogenesis of atherosclerosis and represents the first step in the pathogenesis of cardiovascular diseases. The evaluation of endothelial health is fundamental in clinical practice and several direct and indirect markers have been suggested so far to identify any alterations in endothelial homeostasis. Alongside the known endothelial role on vascular health, several pieces of evidence have demonstrated that proper endothelial functioning plays a key role in human fertility and reproduction. Therefore, this state-of-the-art review updates the endothelial health markers discriminating between those available for clinical practice or for research purposes and their application in human fertility. Moreover, new molecules potentially helpful to clarify the link between endothelial and reproductive health are evaluated herein.
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Affiliation(s)
- Daniele Santi
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 42121 Modena, Italy; (C.G.); (C.L.); (E.P.); (L.C.); (G.B.); (M.S.)
- Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, 41125 Modena, Italy;
- Correspondence: ; Tel.: +39-05-9396-1816
| | - Giorgia Spaggiari
- Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, 41125 Modena, Italy;
| | - Carla Greco
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 42121 Modena, Italy; (C.G.); (C.L.); (E.P.); (L.C.); (G.B.); (M.S.)
- Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, 41125 Modena, Italy;
| | - Clara Lazzaretti
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 42121 Modena, Italy; (C.G.); (C.L.); (E.P.); (L.C.); (G.B.); (M.S.)
- International PhD School in Clinical and Experimental Medicine (CEM), University of Modena and Reggio Emilia, 42121 Modena, Italy
| | - Elia Paradiso
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 42121 Modena, Italy; (C.G.); (C.L.); (E.P.); (L.C.); (G.B.); (M.S.)
- International PhD School in Clinical and Experimental Medicine (CEM), University of Modena and Reggio Emilia, 42121 Modena, Italy
| | - Livio Casarini
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 42121 Modena, Italy; (C.G.); (C.L.); (E.P.); (L.C.); (G.B.); (M.S.)
- Center for Genomic Research, University of Modena and Reggio Emilia, 42121 Modena, Italy
| | - Francesco Potì
- Department of Medicine and Surgery-Unit of Neurosciences, University of Parma, 43121 Parma, Italy;
| | - Giulia Brigante
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 42121 Modena, Italy; (C.G.); (C.L.); (E.P.); (L.C.); (G.B.); (M.S.)
- Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, 41125 Modena, Italy;
| | - Manuela Simoni
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 42121 Modena, Italy; (C.G.); (C.L.); (E.P.); (L.C.); (G.B.); (M.S.)
- Unit of Endocrinology, Department of Medical Specialties, Azienda Ospedaliero-Universitaria of Modena, 41125 Modena, Italy;
- Center for Genomic Research, University of Modena and Reggio Emilia, 42121 Modena, Italy
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12
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Kunjiappan S, Pavadai P, Vellaichamy S, Ram Kumar Pandian S, Ravishankar V, Palanisamy P, Govindaraj S, Srinivasan G, Premanand A, Sankaranarayanan M, Theivendren P. Surface receptor‐mediated targeted drug delivery systems for enhanced cancer treatment: A state‐of‐the‐art review. Drug Dev Res 2020; 82:309-340. [DOI: 10.1002/ddr.21758] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 10/16/2020] [Accepted: 10/23/2020] [Indexed: 12/18/2022]
Affiliation(s)
- Selvaraj Kunjiappan
- Department of Biotechnology Kalasalingam Academy of Research and Education Krishnankoil Tamilnadu India
| | - Parasuraman Pavadai
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy M.S. Ramaiah University of Applied Sciences Bengaluru Karnataka India
| | - Sivakumar Vellaichamy
- Department of Pharmaceutics Arulmigu Kalasalingam College of Pharmacy Krishnankoil Tamilnadu India
| | | | | | - Ponnusamy Palanisamy
- School of Mechanical Engineering Vellore Institute of Technology Vellore Tamilnadu India
| | - Saravanan Govindaraj
- Department of Pharmaceutical Chemistry MNR College of Pharmacy Sangareddy Telangana India
| | - Gowshiki Srinivasan
- Department of Biotechnology Kalasalingam Academy of Research and Education Krishnankoil Tamilnadu India
| | - Adhvitha Premanand
- Department of Biotechnology Kalasalingam Academy of Research and Education Krishnankoil Tamilnadu India
| | | | - Panneerselvam Theivendren
- Department of Pharmaceutical Chemistry Swamy Vivekananda College of Pharmacy Elayampalayam, Namakkal Tamilnadu India
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13
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Zhu W, Liu S. The role of human cytomegalovirus in atherosclerosis: a systematic review. Acta Biochim Biophys Sin (Shanghai) 2020; 52:339-353. [PMID: 32253424 DOI: 10.1093/abbs/gmaa005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/05/2019] [Accepted: 01/20/2020] [Indexed: 12/11/2022] Open
Abstract
Atherosclerosis is a progressive vascular disease with increasing morbidity and mortality year by year in modern society. Human cytomegalovirus (HCMV) infection is closely associated with the development of atherosclerosis. HCMV infection may accelerate graft atherosclerosis and the development of transplant vasculopathy in organ transplantation. However, our current understanding of HCMV-associated atherosclerosis remains limited and is mainly based on clinical observations. The underlying mechanism of the involvement of HCMV infection in atherogenesis remains unclear. Here, we summarized current knowledge regarding the multiple influences of HCMV on a diverse range of infected cells, including vascular endothelial cells, vascular smooth muscle cells, monocytes, macrophages, and T cells. In addition, we described potential HCMV-induced molecular mechanisms, such as oxidative stress, endoplasmic reticulum stress, autophagy, lipid metabolism, and miRNA regulation, which are involved in the development of HCMV-associated atherogenesis. Gaining an improved understanding of these mechanisms will facilitate the development of novel and effective therapeutic strategies for the treatment of HCMV-related cardiovascular disease.
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Affiliation(s)
- Wenbo Zhu
- Clinical Research Institute, First Affiliated Hospital, University of South China, Hengyang 421001, China
| | - Shuangquan Liu
- Clinical Laboratory, First Affiliated Hospital, University of South China, Hengyang 421001, China
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14
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Bloise N, Rountree I, Polucha C, Montagna G, Visai L, Coulombe KLK, Munarin F. Engineering Immunomodulatory Biomaterials for Regenerating the Infarcted Myocardium. Front Bioeng Biotechnol 2020; 8:292. [PMID: 32318563 PMCID: PMC7154131 DOI: 10.3389/fbioe.2020.00292] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/19/2020] [Indexed: 12/13/2022] Open
Abstract
Coronary artery disease is a severe ischemic condition characterized by the reduction of blood flow in the arteries of the heart that results in the dysfunction and death of cardiac tissue. Despite research over several decades on how to reduce long-term complications and promote angiogenesis in the infarct, the medical field has yet to define effective treatments for inducing revascularization in the ischemic tissue. With this work, we have developed functional biomaterials for the controlled release of immunomodulatory cytokines to direct immune cell fate for controlling wound healing in the ischemic myocardium. The reparative effects of colony-stimulating factor (CSF-1), and anti-inflammatory interleukins 4/6/13 (IL4/6/13) have been evaluated in vitro and in a predictive in vivo model of ischemia (the skin flap model) to optimize a new immunomodulatory biomaterial that we use for treating infarcted rat hearts. Alginate hydrogels have been produced by internal gelation with calcium carbonate (CaCO3) as carriers for the immunomodulatory cues, and their stability, degradation, rheological properties and release kinetics have been evaluated in vitro. CD14 positive human peripheral blood monocytes treated with the immunomodulatory biomaterials show polarization into pro-healing macrophage phenotypes. Unloaded and CSF-1/IL4 loaded alginate gel formulations have been implanted in skin flap ischemic wounds to test the safety and efficacy of the delivery system in vivo. Faster wound healing is observed with the new therapeutic treatment, compared to the wounds treated with the unloaded controls at day 14. The optimized therapy has been evaluated in a rat model of myocardial infarct (ischemia/reperfusion). Macrophage polarization toward healing phenotypes and global cardiac function measured with echocardiography and immunohistochemistry at 4 and 15 days demonstrate the therapeutic potential of the proposed immunomodulatory treatment in a clinically relevant infarct model.
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Affiliation(s)
- Nora Bloise
- Department of Molecular Medicine, Center for Health Technologies (CHT), INSTM UdR of Pavia, University of Pavia, Pavia, Italy.,Department of Occupational Medicine, Toxicology and Environmental Risks, ICS Maugeri, IRCCS, Pavia, Italy
| | - Isobel Rountree
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, RI, United States
| | - Collin Polucha
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, RI, United States
| | - Giulia Montagna
- Department of Molecular Medicine, Center for Health Technologies (CHT), INSTM UdR of Pavia, University of Pavia, Pavia, Italy.,Department of Electrical, Computer and Biomedical Engineering, Centre for Health Technologies (CHT), University of Pavia, Pavia, Italy
| | - Livia Visai
- Department of Molecular Medicine, Center for Health Technologies (CHT), INSTM UdR of Pavia, University of Pavia, Pavia, Italy.,Department of Occupational Medicine, Toxicology and Environmental Risks, ICS Maugeri, IRCCS, Pavia, Italy
| | - Kareen L K Coulombe
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, RI, United States
| | - Fabiola Munarin
- Center for Biomedical Engineering, School of Engineering, Brown University, Providence, RI, United States
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15
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Nabi G, Li Y, McLaughlin RW, Mei Z, Wang K, Hao Y, Zheng J, Wang D. Immune Responses of the Critically Endangered Yangtze Finless Porpoises ( Neophocaena asiaeorientalis ssp. asiaeorientalis) to Escalating Anthropogenic Stressors in the Wild and Seminatural Environments. Front Physiol 2020; 10:1594. [PMID: 32116734 PMCID: PMC7010939 DOI: 10.3389/fphys.2019.01594] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 12/19/2019] [Indexed: 01/03/2023] Open
Abstract
Increasing anthropogenic stressors are potential threats to biodiversity conservation and management of Yangtze finless porpoises (YFPs). The objective of this study was to indirectly compare the habitat quality of a natural reserve, Poyang Lake and a seminatural reserve, the Tian-E-Zhou Oxbow (TZO) in terms of anthropogenic stressors by investigating different stress and immunological parameters in the blood of YFPs. Samples from a total of 74 YFPs from the TZO (n = 43) and Poyang Lake (n = 31) were collected and analyzed. The animals were divided into ontogenetic groups: male calf, female calf, juvenile female, juvenile male, and adult male, and reproductive groups: pregnant female, lactating female, and pregnant plus lactating. The blood from all the animals was analyzed for general stress (HSP14, SOD1, TXN, and FTL), metabolic stress (ACAT2 and THRA), and immunity-related genes (IL12p40, IFNγ, TNFα; IL1α, IL1ra, COX2, CRPL, IL4, and IL8) using qPCR. YFPs living in Poyang Lake showed an increased relative expression pattern for IFNγ, IL1ra, IL4, ACAT2, and CRPL across all the ontogenetic groups with significantly higher expression in adult males. In contrast, YFPs living in the TZO showed a significantly higher expression in 13 of 15 genes analyzed in the male calf group. Across the reproductive states for porpoises living in Poyang Lake, eight of the 15 genes in the pregnant female and three of the 15 genes in the pregnant plus lactating group had a significantly higher expression level. However, in YFPs living in the TZO, eight of the 15 genes showed significantly higher expression in the pregnant and lactating groups. There was significantly a higher expression of most of the genes in porpoises living in the TZO compared to the age-matched groups from porpoises living in Poyang Lake. The exception was the pregnant female group. The higher relative expression of stress and immune genes in the TZO porpoise population compared to porpoises living in Poyang Lake suggests the effects of worsening habitat quality, possibly indicating water pollution and lack of feeding resources.
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Affiliation(s)
- Ghulam Nabi
- The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China.,Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Science, Hebei Normal University, Shijiazhuang, China
| | - Ying Li
- The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China.,University of Chinese Academy of Sciences, Beijing, China
| | | | - Zhigang Mei
- The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Kexiong Wang
- The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Yujiang Hao
- The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Jinsong Zheng
- The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
| | - Ding Wang
- The Key Laboratory of Aquatic Biodiversity and Conservation, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China
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16
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Moaaz M, Lotfy H. Changes and significance of T helper-9 cells and interleukin-9 in patients with atherosclerotic chronic lower limb ischemia: Effect on IL-17 release. Vascular 2020; 28:378-389. [PMID: 32063130 DOI: 10.1177/1708538120905430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
OBJECTIVES Atherosclerosis is considered as a chronic inflammatory disorder where the central role of T cells in its pathogenesis is well known. T helper-9 cells have a distinctive effect upon the inflammatory processes. They stimulate macrophages via secretion of their cytokine interleukin-9. Based on its known involvement with other inflammatory disorders, we hypothesized that interleukin-9 might be associated with the inflammatory limb of peripheral atherosclerotic disease. METHODS We tested this hypothesis on peripheral blood mononuclear cells (PBMCs) and freshly resected arterial tissues from 84 patients with peripheral arterial occlusive disease (PAOD) and 50 non-atherosclerotic subjects. A number of experimental methods were used including flow cytometry analysis of T helper-9 cells using anti-CD3, anti-CD4, and anti-interleukin-9monoclonal antibodies as well as real-time polymerase chain reaction for the assessment of gene expression of interleukin-9. In addition, circulating serum levels of interleukin-9 were measured using enzyme linked immunosorbent assay. We also evaluated the ability of recombinant interleukin-9 to modulate IL-17 release in cultured isolated CD3+ T cells with relation to atherosclerotic disorder in vitro. RESULTS AND CONCLUSIONS Here we report increased percentages of T helper-9 cells and interleukin-9 levels in patients with chronic lower limb atherosclerotic ischemia, compared to healthy controls. Through investigation of different atherosclerotic patient populations with different disease stages, we found elevated interleukin-9 level both systemically and within the lesion and increased expression of cells in severe disease stages. The current study also revealed enhanced expression of mRNA levels of interleukin-9 within the atherosclerotic lesion when compared with non-atherosclerotic vessels. Levels of released IL-17 in CD3+ T cell culture supernatants supplemented with interleukin-9 were significantly positively correlated in the enrolled patients. The results suggest a role for T helper-9 cells and IL-9 in atherosclerotic process, potentially involving IL-17-mediated mechanisms. Indeed, we found that interleukin-9 promoted IL-17 release in PBMCs, with a particularly marked response in severe disease.
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Affiliation(s)
- Mai Moaaz
- Department of Immunology and Allergy, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Hassan Lotfy
- Department of Surgery, Vascular Surgery Unit, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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17
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Shatoor AS, Al Humayed S, Alkhateeb MA, Shatoor KA, Aldera H, Alassiri M, Shati AA. Crataegus Aronia protects and reverses vascular inflammation in a high fat diet rat model by an antioxidant mechanism and modulating serum levels of oxidized low-density lipoprotein. PHARMACEUTICAL BIOLOGY 2019; 57:38-48. [PMID: 30702358 PMCID: PMC6366417 DOI: 10.1080/13880209.2018.1564930] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
CONTEXT Crataegus aronia (Willd.) Bosc (Rosaceae) (syn. Azarolus L) is traditionally used to treat cardiovascular disorders. OBJECTIVES To investigate C. aronia protection against a high-fat diet (HFD)-induced vascular inflammation in rats. MATERIALS AND METHODS Wistar Male rats (180-220 g) were divided (n = 10/group) as control fed a standard diet (STD), STD + C. aronia (200 mg/kg, orally), HFD, HFD + C. aronia and HFD post-treated with C. aronia. Simvastatin (20 mg/kg) was co- or post-administered as a positive control drug. HFD was given for 8 weeks, and all other treatments were administered for 4 weeks. RESULTS Most significantly, co-administration of C. aronia to HFD-fed rats reduced the thickness of aorta tunica media (90 ± 5 vs. 160 ± 11.3 µm) and adventitia (54.3 ± 3.8 vs. 93.6 ± 9.4 µm). It also lowered protein levels of TNF-α (0.51 ± 0.15 and 0.15 ± 0.16 vs. 0.1 ± 0.09%) and IL-6 (0.52 ± 0.19 vs. 1.0 ± 0.2%) in their aorta or serum (5.9 ± 0.91 vs. 12.98 ± 1.3 ng/mL and 78.1 ± 6.7 vs. 439 ± 78 pg/mL, respectively). It also lowered all serum lipids and increased aorta levels of GSH levels (70.4 ± 4.0 vs. 40.7 µM) and activity of SOD (5.7 ± 0.7 vs. 2.9 ± 0.6 U/mg) and decreased serum levels of ox-LDL-c (566.7 ± 46 vs. 1817 ± 147 ng/mL). Such effects were more profound than all other treatments. CONCLUSIONS C. aronia inhibits the HFD-induced vascular inflammation and its use in clinical trials is recommended.
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Affiliation(s)
- Abdullah S. Shatoor
- Department of Medicine, Cardiology Section, College of Medicine, King Khalid University (KKU), Abha, Saudi Arabia
- CONTACT Abdullah S. Shatoor Department of Medicine, Cardiology Section, College of Medicine, King Khalid University, Abha64121, Saudi Arabia
| | - Suliman Al Humayed
- Department of Medicine, Cardiology Section, College of Medicine, King Khalid University (KKU), Abha, Saudi Arabia
| | - Mahmoud A. Alkhateeb
- Department of Basic Medical Sciences, College of Medicine, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Saudi Arabia
| | - Khalid A. Shatoor
- An intern, College of Medicine, King Khalid University (KKU), Abha, Saudi Arabia
| | - Hussain Aldera
- Department of Basic Medical Sciences, College of Medicine, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Saudi Arabia
- King Abdullah International Medical Research center (KAIMRC), Riyadh, Saudi Arabia
| | - Mohammed Alassiri
- Department of Basic Medical Sciences, College of Medicine, King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Saudi Arabia
- King Abdullah International Medical Research center (KAIMRC), Riyadh, Saudi Arabia
| | - Ali A. Shati
- Department of Biology College of Science, College of Medicine, King Khalid University (KKU), Abha, Saudi Arabia
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18
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Mindur JE, Swirski FK. Growth Factors as Immunotherapeutic Targets in Cardiovascular Disease. Arterioscler Thromb Vasc Biol 2019; 39:1275-1287. [PMID: 31092009 DOI: 10.1161/atvbaha.119.311994] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Growth factors, such as CSFs (colony-stimulating factors), EGFs (epidermal growth factors), and FGFs (fibroblast growth factors), are signaling proteins that control a wide range of cellular functions. Although growth factor networks are critical for intercellular communication and tissue homeostasis, their abnormal production or regulation occurs in various pathologies. Clinical strategies that target growth factors or their receptors are used to treat a variety of conditions but have yet to be adopted for cardiovascular disease. In this review, we focus on M-CSF (macrophage-CSF), GM-CSF (granulocyte-M-CSF), IL (interleukin)-3, EGFR (epidermal growth factor receptor), and FGF21 (fibroblast growth factor 21). We first discuss the efficacy of targeting these growth factors in other disease contexts (ie, inflammatory/autoimmune diseases, cancer, or metabolic disorders) and then consider arguments for or against targeting them to treat cardiovascular disease. Visual Overview- An online visual overview is available for this article.
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Affiliation(s)
- John E Mindur
- From the Graduate Program in Immunology (J.E.M.), Massachusetts General Hospital and Harvard Medical School, Boston.,Center for Systems Biology (J.E.M., F.K.S.), Massachusetts General Hospital and Harvard Medical School, Boston
| | - Filip K Swirski
- Center for Systems Biology (J.E.M., F.K.S.), Massachusetts General Hospital and Harvard Medical School, Boston.,Department of Radiology (F.K.S.), Massachusetts General Hospital and Harvard Medical School, Boston
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Activation of Interleukin-1 Beta in Arterialized Vein Grafts and the Influence of the -511C/T IL-1β Gene Polymorphism. J Cardiovasc Dev Dis 2019; 6:jcdd6020020. [PMID: 31052244 PMCID: PMC6616868 DOI: 10.3390/jcdd6020020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 04/23/2019] [Accepted: 04/28/2019] [Indexed: 11/17/2022] Open
Abstract
The interleukin-1 family is associated with innate immunity and inflammation. The latter has been linked to the genesis of cardiovascular diseases. We, therefore, investigated whether interleukin-1 beta (IL-1β) is activated during arterialization of vein grafts. First, we examined the activation of IL-1β using the rat arterialized jugular vein serially sampled for up to 90 days. IL-1β expression increased 18 times on day 1 in the arterialized rat jugular vein and remained five times above nonarterialized vein levels for up to 90 days. Similarly, IL-1β expression increased early (1-5 days) in human vein graft autopsy samples compared with late phases (1-4 years). Activation was also detected in ex vivo arterialized human saphenous veins. Upon stratification of the results, we uncovered a T allele promoter attenuating effect in IL-1β activation in response to hemodynamic stress. Altogether, the results show that IL-1β is activated during arterialization of vein grafts in rats and humans, and this response is modulated by -511C/T IL-1β gene polymorphism. It is tempting to speculate that the activation of IL-1β, and consequently local inflammation, modulates early vascular remodeling and that the gene polymorphism may be useful in predicting outcomes or assisting in interventions.
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20
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Free fatty acids may be involved in the pathogenesis of oral-related and cardiovascular diseases. J Oral Biosci 2018. [DOI: 10.1016/j.job.2018.04.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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21
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O-Glycosylation with O-linked β-N-acetylglucosamine increases vascular contraction: Possible modulatory role on Interleukin-10 signaling pathway. Life Sci 2018; 209:78-84. [PMID: 30075176 DOI: 10.1016/j.lfs.2018.07.058] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/27/2018] [Accepted: 07/30/2018] [Indexed: 01/29/2023]
Abstract
AIMS The interleukin-10 (IL-10) is an immuno-regulatory cytokine that plays a protective effect in the vasculature. IL-10 binding to its receptor, activating the IL-10/JAK1/STAT3 cascade to exert its effects. Therefore, STAT3 phosphorylation is essential for IL-10 actions. O-Glycosylation with linked β-N-acetylglucosamine (O-GlcNAc) is a post-translational modification able to regulate many proteins by interfering with protein on a phosphorylation level. Our aim was to determine whether O-GlcNAc promotes the inhibition of IL-10-pathway (JAK1/STAT3/IL-10), inactivationg its action in the vasculature. MAIN METHODS Mice (C57BL/6) aortic segments were incubated with vehicle or Thiamet G (0.1 mM, for 24 h) to increase global O-GlcNAc levels. Aortas from knockout mice for IL-10 were also used. Vascular reactivity and western blot tests were performed to evaluate protein expression. KEY FINDINGS High levels of O-GlcNAc, induced by Thiamet G incubation, increased vascular expression of JAK1, but decreased expression and activity of STAT3. In addition, IL-10 levels were diminished in arteries treated with Thiamet G. Absence of IL-10, as well as augmented O-GlcNAcylation, increased vascular reactivity to constrictor stimuli, an effect that was abolished by ERK 1/2 inhibitor. High levels of O-GlcNAc and the absence of IL-10 also leads to increased vascular expression of ERK1/2. SIGNIFICANCE Our data suggest that O-GlcNAc modification seems to (dys)regulate IL-10 signaling pathway and consequently, compromise the protective effect of this cytokine in vasculature. It is possible that there is a promising relationship in pathophysiological conditions where changes in O-GlcNAcylation and IL-10 levels are observed, such as hypertension and diabetes.
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Ray M, Gabunia K, Vrakas CN, Herman AB, Kako F, Kelemen SE, Grisanti LA, Autieri MV. Genetic Deletion of IL-19 (Interleukin-19) Exacerbates Atherogenesis in Il19-/-× Ldlr-/- Double Knockout Mice by Dysregulation of mRNA Stability Protein HuR (Human Antigen R). Arterioscler Thromb Vasc Biol 2018; 38:1297-1308. [PMID: 29674474 DOI: 10.1161/atvbaha.118.310929] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 04/05/2018] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To test the hypothesis that loss of IL-19 (interleukin-19) exacerbates atherosclerosis. APPROACH AND RESULTS: Il19-/- mice were crossed into Ldlr-/- (low-density lipoprotein receptor knock out) mice. Double knockout (dKO) mice had increased plaque burden in aortic arch and root compared with Ldlr-/- controls after 14 weeks of high-fat diet (HFD). dKO mice injected with 10 ng/g per day rmIL-19 had significantly less plaque compared with controls. qRT-PCR and Western blot analysis revealed dKO mice had increased systemic and intraplaque polarization of T cells and macrophages to proinflammatory Th1 and M1 phenotypes, and also significantly increased TNF (tumor necrosis factor)-α expression in spleen and aortic arch compared with Ldlr-/- controls. Bone marrow transplantation suggests that immune cells participate in IL-19 protection. Bone marrow-derived macrophages and vascular smooth muscle cells isolated from dKO mice had a significantly greater expression of inflammatory cytokine mRNA and protein compared with controls. Spleen and aortic arch from dKO mice had significantly increased expression of the mRNA stability protein HuR (human antigen R). Bone marrow-derived macrophage and vascular smooth muscle cell isolated from dKO mice also had greater HuR abundance. HuR stabilizes proinflammatory transcripts by binding AU-rich elements in the 3' untranslated region. Cytokine and HuR mRNA stability were increased in dKO bone marrow-derived macrophage and vascular smooth muscle cell, which was rescued by addition of IL-19 to these cells. IL-19-induced expression of miR133a, which targets and reduced HuR abundance; miR133a levels were lower in dKO mice compared with controls. CONCLUSIONS These data indicate that IL-19 is an atheroprotective cytokine which decreases the abundance of HuR, leading to reduced inflammatory mRNA stability.
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Affiliation(s)
- Mitali Ray
- From the Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (M.R., K.G., C.N.V., A.B.H., F.K., S.E.K., M.V.A.)
| | - Khatuna Gabunia
- From the Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (M.R., K.G., C.N.V., A.B.H., F.K., S.E.K., M.V.A.)
| | - Christine N Vrakas
- From the Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (M.R., K.G., C.N.V., A.B.H., F.K., S.E.K., M.V.A.)
| | - Allison B Herman
- From the Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (M.R., K.G., C.N.V., A.B.H., F.K., S.E.K., M.V.A.)
| | - Farah Kako
- From the Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (M.R., K.G., C.N.V., A.B.H., F.K., S.E.K., M.V.A.)
| | - Sheri E Kelemen
- From the Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (M.R., K.G., C.N.V., A.B.H., F.K., S.E.K., M.V.A.)
| | - Laurel A Grisanti
- Department of Biomedical Sciences, University of Missouri, Columbia (L.A.G.)
| | - Michael V Autieri
- From the Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA (M.R., K.G., C.N.V., A.B.H., F.K., S.E.K., M.V.A.)
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Autieri MV. IL-19 and Other IL-20 Family Member Cytokines in Vascular Inflammatory Diseases. Front Immunol 2018; 9:700. [PMID: 29681905 PMCID: PMC5897441 DOI: 10.3389/fimmu.2018.00700] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 03/21/2018] [Indexed: 01/11/2023] Open
Abstract
Cardiovascular disease remains a major medical and socioeconomic burden in developed and developing countries and will increase with an aging and increasingly sedentary society. Many vascular diseases and atherosclerotic vascular disease, in particular, are essentially inflammatory disorders, involving multiple cell types. Communication between these cells is initiated and sustained by a complex network of cytokines and their receptors. The interleukin (IL)-20 family members, IL-19, IL-20, IL-22, and IL-24, initiate, sustain, and drive the progression of vascular disease. They are important in vascular disease as they facilitate a bidirectional cross-talk between resident vascular cells with immune cells. These cytokines are grouped into the same family based on shared common receptor subunits and signaling pathways. This communication is varied and can result in exacerbation, attenuation, and even repair of the vasculature. We will briefly review what is known about IL-20, IL-22, and IL-24 in cardiovascular biology. Because IL-19 is the most studied member of this family in terms of its role in vascular pathophysiological processes, the major emphasis of this review will focus on the expression and atheroprotective roles of IL-19 in vascular inflammatory disease.
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Affiliation(s)
- Michael V Autieri
- Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, PA, United States
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Nanotherapeutics Containing Lithocholic Acid-Based Amphiphilic Scorpion-Like Macromolecules Reduce In Vitro Inflammation in Macrophages: Implications for Atherosclerosis. NANOMATERIALS 2018; 8:nano8020084. [PMID: 29393918 PMCID: PMC5853716 DOI: 10.3390/nano8020084] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 01/24/2018] [Accepted: 01/30/2018] [Indexed: 12/19/2022]
Abstract
Previously-designed amphiphilic scorpion-like macromolecule (AScM) nanoparticles (NPs) showed elevated potency to counteract oxidized low-density lipoprotein (oxLDL) uptake in atherosclerotic macrophages, but failed to ameliorate oxLDL-induced inflammation. We designed a new class of composite AScMs incorporating lithocholic acid (LCA), a natural agonist for the TGR5 receptor that is known to counteract atherosclerotic inflammation, with two complementary goals: to simultaneously decrease lipid uptake and inhibit pro-inflammatory cytokine secretion by macrophages. LCA was conjugated to AScMs for favorable interaction with TGR5 and was also hydrophobically modified to enable encapsulation in the core of AScM-based NPs. Conjugates were formulated into negatively charged NPs with different core/shell combinations, inspired by the negative charge on oxLDL to enable competitive interaction with scavenger receptors (SRs). NPs with LCA-containing shells exhibited reduced sizes, and all NPs lowered oxLDL uptake to <30% of untreated, human derived macrophages in vitro, while slightly downregulating SR expression. Pro-inflammatory cytokine expression, including IL-1β, IL-8, and IL-10, is known to be modulated by TGR5, and was dependent on NP composition, with LCA-modified cores downregulating inflammation. Our studies indicate that LCA-conjugated AScM NPs offer a unique approach to minimize atherogenesis and counteract inflammation.
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Hofstetter AR, Eberle KC, Venn-Watson SK, Jensen ED, Porter TJ, Waters TE, Sacco RE. Monitoring bottlenose dolphin leukocyte cytokine mRNA responsiveness by qPCR. PLoS One 2017; 12:e0189437. [PMID: 29272269 PMCID: PMC5741220 DOI: 10.1371/journal.pone.0189437] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 11/24/2017] [Indexed: 11/26/2022] Open
Abstract
Both veterinarians caring for dolphins in managed populations and researchers monitoring wild populations use blood-based diagnostics to monitor bottlenose dolphin (Tursiops truncatus) health. Quantitative PCR (qPCR) can be used to assess cytokine transcription patterns of peripheral blood mononuclear cells (PBMC). This can supplement currently available blood tests with information on immune status. Full realization of this potential requires establishment of normal ranges of cytokine gene transcription levels in bottlenose dolphins. We surveyed four dolphins over the span of seven months by serial bleeds. PBMC were stimulated with phytohaemagglutinin (1, 5, and 10 μg/mL) and concanavalin A (1 μg/mL) for 48 H in vitro. RNA from these cultures was probed by qPCR using Tursiops truncatus-specific primers (IL-1α, IL-1β, IL-1RA, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12p40, IL-13, IL-18, IFN-γ and TNF-α). Two blood samples from an additional bottlenose dolphin diagnosed with acute pulmonary disease add further perspective to the data. We observed that mitogen choice made a significant difference in the magnitude of gene transcription observed. On the other hand, most cytokines tested exhibited limited intra-animal variation. However, IL-6 and IL-12p40 differed between older and younger dolphins. Furthermore, the magnitude of mitogenic response clusters the tested cytokines into three groups. The data provide a reference for the selection of target cytokine mRNAs and their expected range of mitogen-stimulated cytokine gene transcription for future studies.
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Affiliation(s)
- Amelia Ruth Hofstetter
- Ruminant Diseases and Immunology Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Ames, Iowa, United States of America
- * E-mail:
| | - Kirsten C. Eberle
- Ruminant Diseases and Immunology Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Stephanie K. Venn-Watson
- Translational Medicine and Research Program, National Marine Mammal Foundation, San Diego, California, United States of America
| | - Eric D. Jensen
- United States Navy Marine Mammal Program, San Diego, California, United States of America
| | - Tracy J. Porter
- Ruminant Diseases and Immunology Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Theresa E. Waters
- Ruminant Diseases and Immunology Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Ames, Iowa, United States of America
| | - Randy E. Sacco
- Ruminant Diseases and Immunology Research Unit, National Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Ames, Iowa, United States of America
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Ray M, Autieri MV. Regulation of pro- and anti-atherogenic cytokines. Cytokine 2017; 122:154175. [PMID: 29221669 DOI: 10.1016/j.cyto.2017.09.031] [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] [Received: 06/09/2017] [Revised: 08/29/2017] [Accepted: 09/26/2017] [Indexed: 12/21/2022]
Abstract
Despite advances in prevention and treatment, vascular diseases continue to account for significant morbidity and mortality in the developed world. Incidence is expected to worsen as the number of patients with common co-morbidities linked with atherosclerotic vascular disease, such as obesity and diabetes, continues to increase, reaching epidemic proportions. Atherosclerosis is a lipid-driven vascular inflammatory disease involving multiple cell types in various stages of inflammation, activation, apoptosis, and necrosis. One commonality among these cell types is that they are activated and communicate with each other in a paracrine fashion via a complex network of cytokines. Cytokines mediate atherogenesis by stimulating expression of numerous proteins necessary for induction of a host of cellular responses, including inflammation, extravasation, proliferation, apoptosis, and matrix production. Cytokine expression is regulated by a number of transcriptional and post-transcriptional mechanisms. In this context, proteins that control and fine-tune cytokine expression can be considered key players in development of atherosclerosis and also represent targets for rational drug therapy to combat this disease. This review will describe the cellular and molecular mechanisms that drive atherosclerotic plaque progression and present key cytokines that participate in this process. We will also describe RNA binding proteins that mediate cytokine mRNA stability and regulate cytokine abundance. Identification and characterization of the cytokines and proteins that regulate their abundance are essential to our ability to identify therapeutic approaches to ameliorate atherosclerotic vascular disease.
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Affiliation(s)
- Mitali Ray
- Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA
| | - Michael V Autieri
- Department of Physiology, Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA.
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Inflammation-regulated mRNA stability and the progression of vascular inflammatory diseases. Clin Sci (Lond) 2017; 131:2687-2699. [PMID: 29109302 DOI: 10.1042/cs20171373] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 10/09/2017] [Accepted: 10/10/2017] [Indexed: 12/22/2022]
Abstract
Cardiovascular disease remains a major medical and socioeconomic burden in developed and developing societies, and will increase with an aging and increasingly sedentary society. Vascular disease and atherosclerotic vascular syndromes are essentially inflammatory disorders, and transcriptional and post-transcriptional processes play essential roles in the ability of resident vascular and inflammatory cells to adapt to environmental stimuli. The regulation of mRNA translocation, stability, and translation are key processes of post-transcriptional regulation that permit these cells to rapidly respond to inflammatory stimuli. For the most part, these processes are controlled by elements in the 3'-UTR of labile, proinflammatory transcripts. Since proinflammatory transcripts almost exclusively contain AU-rich elements (AREs), this represents a tightly regulated and specific mechanism for initiation and maintenance of the proinflammatory phenotype. RNA-binding proteins (RBPs) recognize cis elements in 3'-UTR, and regulate each of these processes, but there is little literature exploring the concept that RBPs themselves can be directly regulated by inflammatory stimuli. Conceptually, inflammation-responsive RBPs represent an attractive target of rational therapies to combat vascular inflammatory syndromes. Herein we briefly describe the cellular and molecular etiology of atherosclerosis, and summarize our current understanding of RBPs and their specific roles in regulation of inflammatory mRNA stability. We also detail RBPs as targets of current anti-inflammatory modalities and how this may translate into better treatment for vascular inflammatory diseases.
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28
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Kyaw T, Tipping P, Toh BH, Bobik A. Killer cells in atherosclerosis. Eur J Pharmacol 2017; 816:67-75. [PMID: 28483458 DOI: 10.1016/j.ejphar.2017.05.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 04/03/2017] [Accepted: 05/04/2017] [Indexed: 01/15/2023]
Abstract
Cytotoxic lymphocytes (killer cells) play a critical role in host defence mechanisms, protecting against infections and in tumour surveillance. They can also exert detrimental effects in chronic inflammatory disorders and in autoimmune diseases. Tissue cell death and necrosis are prominent features of advanced atherosclerotic lesions including vulnerable/unstable lesions which are largely responsible for most heart attacks and strokes. Evidence for accumulation of killer cells in both human and mouse lesions together with their cytotoxic potential strongly suggest that these cells contribute to cell death and necrosis in lesions leading to vulnerable plaque development and potentially plaque rupture. Killer cells can be divided into two groups, adaptive and innate immune cells depending on whether they require antigen presentation for activation. Activated killer cells detect damaged or stressed cells and kill by cytotoxic mechanisms that include perforin, granzymes, TRAIL or FasL and in some cases TNF-α. In this review, we examine current knowledge on killer cells in atherosclerosis, including CD8 T cells, CD28- CD4 T cells, natural killer cells and γδ-T cells, mechanisms responsible for their activation, their migration to developing lesions and effector functions. We also discuss pharmacological strategies to prevent their deleterious vascular effects by preventing/limiting their cytotoxic effects within atherosclerotic lesions as well as potential immunomodulatory therapies that might better target lesion-resident killer cells, to minimise any compromise of the immune system, which could result in increased susceptibility to infections and reductions in tumour surveillance.
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Affiliation(s)
- Tin Kyaw
- Baker Heart and Diabetes Institute, Melbourne, Australia; Centre for Inflammatory Diseases, Department of Medicine, Monash University, Melbourne, Australia.
| | - Peter Tipping
- Centre for Inflammatory Diseases, Department of Medicine, Monash University, Melbourne, Australia
| | - Ban-Hock Toh
- Centre for Inflammatory Diseases, Department of Medicine, Monash University, Melbourne, Australia
| | - Alex Bobik
- Baker Heart and Diabetes Institute, Melbourne, Australia; Department of Immunology, Monash University, Melbourne, Australia
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29
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Effects of α-linolenic acid-enriched diets on gene expression of key inflammatory mediators in immune and milk cells obtained from Holstein dairy cows. J DAIRY RES 2016; 83:20-7. [PMID: 26869108 DOI: 10.1017/s0022029915000709] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Immune system and inflammatory responses are affected by α-linolenic acid (αLA: 18:3 ω-3). The objective of this study was to determine the effects of αLA-enriched rations on gene expression of systemic (blood) and local (mammary gland) inflammatory markers in Holstein dairy cattle. Further, the effect of dietary treatments was evaluated on the concentration of αLA in serum phospholipids. Camelina (Camelina sativa) meal (containing 24.2% αLA) was fed at 0, 3, 6, and 9% (dry matter basis) replacing canola meal (rich in 18:1 ω-9) to provide rations with incremental concentrations of αLA. Lactating primiparous Holstein cows (n = 18) were randomly assigned to a treatment sequence in a 4 × 4 Latin square design. Each period lasted 16 d and milk and blood samples were collected during the final 2 d of each period. Peripheral blood mononuclear cells (PBMC) and milk cells (MC) were harvested, and RNA extracted and converted to complementary DNA for quantitative real time PCR analysis. The effect of dietary treatments (αLA) on the relative abundance of pro- and anti-inflammatory genes in the PBMC and MC was tested by the MIXED procedure of SAS. Expression of pro-inflammatory tumour necrosis factor (TNF)-α in MC was linearly reduced (up to 40%) as dietary αLA increased. Expression of pro-inflammatory markers interleukin (IL)-1β, IL-8, and TNF-α was reduced (29, 20, and 27%, respectively) in PBMC isolated from cows fed 6% camelina meal ration as compared with cows fed 0% (control). Expression of IL-6 was, however, increased with inclusion of camelina meal. Greater dietary αLA linearly increased serum phospholipids αLA contents, and when fed up to 6% DM down-regulated expression of some of the local (milk) and systemic (blood) pro-inflammatory markers in vivo.
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30
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Adiporedoxin suppresses endothelial activation via inhibiting MAPK and NF-κB signaling. Sci Rep 2016; 6:38975. [PMID: 27941911 PMCID: PMC5150245 DOI: 10.1038/srep38975] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 11/16/2016] [Indexed: 12/31/2022] Open
Abstract
Adiporedoxin (Adrx) is a recently discovered redox regulatory protein that is preferentially expressed in adipose tissue and plays a critical role in the regulation of metabolism via its modulation of adipocyte protein secretion. We here report that Adrx suppresses endothelial cell activation via inhibiting MAPK and NF-kB signaling pathways. Adrx is constitutively expressed in human vascular endothelial cells, and significantly induced by a variety of stimuli such as TNFα, IL-1β, H2O2 and OxLDL. Overexpression of Adrx significantly attenuated TNFα-induced expression of VCAM-1 and ICAM-1, and thus reduced monocyte adherence to human umbilical vein endothelial cells (HUVECs). Conversely, siRNA-mediated knockdown of Adrx increased TNFα-induced expression of adhesion molecules and monocyte adherence to HUVECs. Furthermore, forced expression of Adrx decreased TNFα-induced activation of ERK1/2, JNK, p38 and IKKs in HUVECs. Adrx mutant in the CXXC motif that lost its anti-redox activity is less efficient than the wild-type Adrx, suggesting that Adrx-mediated inhibition of endothelial activation is partially dependent on its antioxidant activity. Finally, Adrx expression was markedly increased in human atheroma compared with normal tissue from the same carotid arteries. These results suggest that Adrx is an endogenous inhibitor of endothelial activation, and might be a therapeutic target for vascular inflammatory diseases.
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Kirichenko TV, Sobenin IA, Nikolic D, Rizzo M, Orekhov AN. Anti-cytokine therapy for prevention of atherosclerosis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2016; 23:1198-1210. [PMID: 26781385 DOI: 10.1016/j.phymed.2015.12.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 12/01/2015] [Accepted: 12/04/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND Currently a chronic inflammation is considered to be the one of the most important reasons of the atherosclerosis progression. A huge amount of researches over the past few decades are devoted to study the various mechanisms of inflammation in the development of atherosclerotic lesions. PURPOSE To review current capabilities of anti-inflammatory therapy for the prevention and treatment of atherosclerosis and its clinical manifestations. METHODS Appropriate articles on inflammatory cytokines in atherosclerosis and anti-inflammatory prevention of atherosclerosis were searched in PubMed Database from their respective inceptions until October 2015. SECTIONS "The role of inflammatory cytokines in the development of atherosclerotic lesions" describes available data on the possible inflammatory mechanisms of the atherogenesis with a special attention to the role of cytokines. "Modern experience of anti-inflammatory therapy for the treatment of atherosclerosis" describes modern anti-inflammatory preparations with anti-atherosclerotic effect including natural preparations. In "the development of anti-inflammatory herbal preparation for atherosclerosis prevention" an algorithm is demonstrated that includes screening of anti-cytokine activity of different natural products, the development of the most effective combination and estimation of its effect in cell culture model, in animal model of the acute aseptic inflammation and in a pilot clinical trial. A natural preparation "Inflaminat" based on black elder berries (Sambucus nigra L.), violet tricolor herb (Viola tricolor L.) and calendula flowers (Calendula officinalis L.) possessing anti-cytokine activity was developed using the designed algorithm. The results of the following 2-year double blind placebo-controlled clinical study show that "Inflaminat" reduces carotid IMT progression, i.e. has anti-atherosclerotic effect. CONCLUSION Anti-cytokine therapy may be a promising direction in moderation of atherogenesis, especially when it begins on the early stages of subclinical atherosclerosis. The use of herbal preparations with anti-cytokine mechanism of action is the most perspective for timely prevention of atherosclerosis, as they have no significant side effects and can be prescribed for long-term administration.
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Affiliation(s)
- Tatiana V Kirichenko
- Institute for Atherosclerosis Research, Skolkovo Innovative Center, 4-1-207, Osennaya Str., 121609, Moscow, Russia.
| | - Igor A Sobenin
- Institute of General Pathology and Pathophysiology, 8 Baltiyskaya Str., 125315, Moscow, Russia; Russian Cardiology Research and Production Complex, 15-a 3rd Cherepkovskaya Str., 121552, Moscow, Russia
| | - Dragana Nikolic
- Biomedical Department of Internal Medicine and Medical Specialties, University of Palermo, 141 Via del Vespro, 90127, Palermo, Italy
| | - Manfredi Rizzo
- Biomedical Department of Internal Medicine and Medical Specialties, University of Palermo, 141 Via del Vespro, 90127, Palermo, Italy; Euro-Mediterranean Institute of Science and Technology, Via Emerico Amari 123, 90139, Palermo, Italy
| | - Alexander N Orekhov
- Institute for Atherosclerosis Research, Skolkovo Innovative Center, 4-1-207, Osennaya Str., 121609, Moscow, Russia; Institute of General Pathology and Pathophysiology, 8 Baltiyskaya Str., 125315, Moscow, Russia
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Expression Profiling of Genes Related to Endothelial Cells Biology in Patients with Type 2 Diabetes and Patients with Prediabetes. BIOMED RESEARCH INTERNATIONAL 2016; 2016:1845638. [PMID: 27781209 PMCID: PMC5066000 DOI: 10.1155/2016/1845638] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 08/18/2016] [Accepted: 08/30/2016] [Indexed: 12/31/2022]
Abstract
Endothelial dysfunction appears to be an early sign indicating vascular damage and predicts the progression of atherosclerosis and cardiovascular disorders. Extensive clinical and experimental evidence suggests that endothelial dysfunction occurs in Type 2 Diabetes Mellitus (T2DM) and prediabetes patients. This study was carried out with an aim to appraise the expression levels in the peripheral blood of 84 genes related to endothelial cells biology in patients with diagnosed T2DM or prediabetes, trying to identify new genes whose expression might be changed under these pathological conditions. The study covered a total of 45 participants. The participants were divided into three groups: group 1, patients with T2DM; group 2, patients with prediabetes; group 3, control group. The gene expression analysis was performed using the Endothelial Cell Biology RT2 Profiler PCR Array. In the case of T2DM, 59 genes were found to be upregulated, and four genes were observed to be downregulated. In prediabetes patients, increased expression was observed for 49 genes, with two downregulated genes observed. Our results indicate that diabetic and prediabetic conditions change the expression levels of genes related to endothelial cells biology and, consequently, may increase the risk for occurrence of endothelial dysfunction.
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Abstract
PURPOSE OF REVIEW The number of deaths associated with cardiovascular disease remains high, despite great advances in treating the associated high levels of cholesterol. The main underlying pathology of cardiovascular disease is atherosclerosis, which is recognized as a chronic autoimmune-like inflammatory disease. Hence, there is a pressing need to shed light on the immune pathways associated with atherosclerosis. B cells have long been thought to have a general protective effect in atherosclerosis. However, findings in the last decade have challenged this paradigm, showing that it is crucial to differentiate between the various B-cell subsets when assessing their role/effect on atherosclerosis. RECENT FINDINGS It has become increasingly recognized lately that B cells can have significant effects on the immune system independent of antibody production. The understanding that B cells form a major source of cytokines and can directly influence T-cell responses via surface markers, have led to the identification of novel B-cell subsets. These subsets are important modulators of autoimmune disorders but have not yet been fully investigated in atherosclerosis. SUMMARY Here we review the current known roles of B-cell subsets and the putative effects of recently identified B cells on atherosclerosis.
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Affiliation(s)
- Hidde Douna
- Division of Biopharmaceutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, The Netherlands
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N-Oleoylethanolamine Reduces Inflammatory Cytokines and Adhesion Molecules in TNF-α-induced Human Umbilical Vein Endothelial Cells by Activating CB2 and PPAR-α. J Cardiovasc Pharmacol 2016; 68:280-291. [DOI: 10.1097/fjc.0000000000000413] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Meelu OA, Baber U, Theodoropoulos K, Mennuni MG, Kini AS, Sharma SK. Acute cholecystitis and myocardial infarction: a case study with coronary involvement. Clin Case Rep 2016; 4:793-6. [PMID: 27525087 PMCID: PMC4974431 DOI: 10.1002/ccr3.621] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2015] [Revised: 03/19/2016] [Accepted: 06/09/2016] [Indexed: 11/28/2022] Open
Abstract
Possible links between inflammatory stimuli and atherothrombotic disease in the context of gallbladder pathology are not well understood. Our case demonstrates that clinical suspicion of cardiac disease after a diagnosis of acute cholecystitis should remain high in light of the dire consequences of a missed diagnosis.
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Affiliation(s)
- Omar A Meelu
- Mount Sinai Heart Mount Sinai Medical Center New York New York USA
| | - Usman Baber
- Mount Sinai Heart Mount Sinai Medical Center New York New York USA
| | | | - Marco G Mennuni
- Mount Sinai Heart Mount Sinai Medical Center New York New York USA
| | | | - Samin K Sharma
- Mount Sinai Heart Mount Sinai Medical Center New York New York USA
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36
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Digested protein isolate from fresh and stored Carioca beans reduced markers of atherosclerosis in oxidized LDL-induced THP-1 macrophages. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.03.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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37
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Kamei H, Masuda S, Ishigami M, Nakamura T, Fujimoto Y, Takada Y, Hamajima N. Association of interleukin4 gene polymorphisms of recipients and donors with acute rejection following living donor liver transplantation. Clin Res Hepatol Gastroenterol 2016. [PMID: 26212175 DOI: 10.1016/j.clinre.2015.06.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Little is known as to whether the interleukin4 (IL4) gene polymorphisms in recipients or donors affect the incidence of acute cellular rejection (ACR) following living donor liver transplantation (LDLT). Therefore, we determined the effect of IL4 T-33C polymorphisms in recipients and donors on ACR in a large cohort of patients that underwent LDLT. METHODS We examined 155 LDLT cases treated at Nagoya University or Kyoto University, Japan, between 2004 and 2009. IL4 T-33C polymorphisms were analyzed in recipients and donors. RESULTS Forty-seven recipients (30.3%) developed early ACR. The genotype frequency of IL4 T-33C in the recipients was associated with ACR incidence (P=0.008, P<0.0125 considered significant). Patients with the IL4-33C carrier genotype (C/C or C/T) were significantly associated with a higher incidence of ACR relative to those with the T/T genotype (OR=3.27, 95% CI: 1.56-6.88, P=0.002). The genotype frequencies of IL4 T-33C in the donors were not associated with rejection incidence. In addition, there was no significant effect of IL4 T-33C genotype combinations on ACR incidence in donors and recipients. CONCLUSIONS Genotyping of IL4 T-33C in recipients might be useful to stratify the liver transplant recipients according to their risk of ACR.
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Affiliation(s)
- Hideya Kamei
- Department of Transplantation Surgery, Nagoya University, 65 Tsurumai, Showa, 466-8550 Nagoya, Japan.
| | - Satohiro Masuda
- Department of Pharmacy, Faculty of Medicine, Kyoto University, Kyoto, Japan
| | | | - Taro Nakamura
- Department of Transplantation Surgery, Nagoya University, 65 Tsurumai, Showa, 466-8550 Nagoya, Japan
| | - Yasuhiro Fujimoto
- Department of Surgery, Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Kyoto University, Kyoto, Japan
| | - Yasutsugu Takada
- Department of Surgery, Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Kyoto University, Kyoto, Japan
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Schumann J. Does plasma membrane lipid composition impact the miRNA-mediated regulation of vascular inflammation? Med Hypotheses 2016; 88:57-9. [PMID: 26880639 DOI: 10.1016/j.mehy.2016.01.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 01/08/2016] [Accepted: 01/19/2016] [Indexed: 11/27/2022]
Abstract
BACKGROUND Both PUFA and miRNAs are believed to be of importance in vascular diseases. On the one hand diverse nutrition societies recommend PUFA consumption to dampen inflammatory processes. On the other hand scientists intensify efforts to use miRNAs for diagnostics or therapy in context of vascular disorders. PRESENTATION OF THE HYPOTHESIS There might be is a causal link between the plasma membrane lipid composition and the miRNA expression of monocytes and endothelial cells. PUFA enrichment of cells may affect the type and the amount of particular miRNAs produced. In this way dietary fatty acids are supposed to impact the miRNA-mediated regulation of vascular inflammatory processes. PROPOSED EXPERIMENTAL SETTING TO TEST THE HYPOTHESIS PUFA-supplemented monocytes and endothelial cells are analyzed with respect to membrane fatty acid patterns, typical markers of vascular inflammation and miRNA expression. Experiments are performed both for undifferentiated/unstimulated as well as for differentiated/stimulated cells. Verification of identified miRNA targets is performed by means of mimics/antagomirs. IMPLICATIONS OF THE HYPOTHESIS Innovative mechanism of action, which could point the way to a new understanding of the PUFA-mediated modulation of cellular signal transduction. If confirmed experimentally, it might stimulate vascular inflammation research and immunologic lipid science, hence, acting as source of inspiration for future therapeutic interventions in vascular diseases.
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Affiliation(s)
- Julia Schumann
- Clinic for Anesthesiology and Surgical Intensive Care, University Hospital Halle (Saale), Franzosenweg 1a, 06112 Halle (Saale), Germany.
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Lima VV, Zemse SM, Chiao CW, Bomfim GF, Tostes RC, Clinton Webb R, Giachini FR. Interleukin-10 limits increased blood pressure and vascular RhoA/Rho-kinase signaling in angiotensin II-infused mice. Life Sci 2016; 145:137-43. [DOI: 10.1016/j.lfs.2015.12.009] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 10/19/2015] [Accepted: 12/04/2015] [Indexed: 01/21/2023]
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Interleukin-6 May Contribute to Mortality in Parkinson's Disease Patients: A 4-Year Prospective Study. PARKINSONS DISEASE 2015; 2015:898192. [PMID: 26351617 PMCID: PMC4553204 DOI: 10.1155/2015/898192] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 08/03/2015] [Accepted: 08/05/2015] [Indexed: 12/11/2022]
Abstract
Objectives. The association between abnormal serum immunomarkers and mortality in 53 consecutive Parkinson's disease patients was studied. Materials and Methods. The plasma level of specific inflammatory cytokines was investigated: mannan-binding lectin (MBL), interleukin- (IL-) 6, and tumor necrosis factor-alpha (TNF-α). The baseline serum immunomarkers obtained from patients who died (n = 16) during a four-year follow-up period were compared with the data of patients who survived (n = 37). Results. The baseline level of IL-6 was significantly higher in the deceased patients than in the survivors. Elevated IL-6 levels and age were major independent contributors to disease mortality. Differences between other plasma cytokine level abnormalities were not significant. Conclusion. This study showed that IL-6 elevation may be a marker of increased mortality risk in Parkinson's disease patients. The inflammation may act in association with other factors and comorbidities in progressive neurodegenerative pathology.
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Tumor necrosis factor inhibition increases the revascularization of ischemic hind-limbs in diabetic mice. Naunyn Schmiedebergs Arch Pharmacol 2015; 388:1053-60. [DOI: 10.1007/s00210-015-1138-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Accepted: 05/21/2015] [Indexed: 02/08/2023]
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Horvath P, Oliver SR, Zaldivar FP, Radom-Aizik S, Galassetti PR. Effects of intravenous glucose and lipids on innate immune cell activation in healthy, obese, and type 2 diabetic subjects. Physiol Rep 2015; 3:3/2/e12249. [PMID: 25677544 PMCID: PMC4393186 DOI: 10.14814/phy2.12249] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Atherosclerosis/cardiovascular disease are major causes of morbidity/mortality in obesity and type 2 diabetes (T2D), and have been associated with activation of innate immune cells, their diapedesis to the arterial intima and formation of the atherosclerotic plaque. While in obesity/T2D immune cell activation likely depends on dysregulated metabolism, the interaction between individual metabolic factors typical of these conditions (hyperglycemia, hyperlipidemia), innate immune cell activation, and the progression of atherosclerosis remains unclear. We, therefore, measured by flow cytometry cell surface expression of CD11b, CD14, CD16, CD62L, and CD66b, known markers of granulocyte (Gc) and monocyte (Mc) activation, in five healthy, five obese, and five T2D subjects, during 4-h i.v. infusions of 20% dextrose (raising blood sugar levels to ~220 mg/dL), 20% Intralipid (raising trygliceride levels to ~6 mmol/L), or a combination of the two. We hypothesized that both glucose and lipids would increase Gc/Mc surface marker expression, and simultaneous infusion would have an additive or synergistic effect. Surprisingly, though, infusion of glucose alone had little effect, while lipids, alone or combined with glucose, significantly increased expression of several markers (such as CD11b in Gc and Mc, and CD66 b in GC) within 60-90 min. Less pronounced increases in systemic inflammatory cytokines also occurred in obese and T2D subject, with no acute changes in gene expression of the the proinflammatory genes NFκB and CCR2. Our results suggest that lipids may be stronger acute contributors to innate cell activation than acute hyperglycemia per se, possibly helping shape more effective preventive dietary guidelines in T2D.
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Affiliation(s)
- Peter Horvath
- Institute for Clinical Translational Science, University of California, Irvine, California
| | - Stacy R Oliver
- Department of Pharmacology, School of Medicine, University of California, Irvine, California
| | - Frank P Zaldivar
- Institute for Clinical Translational Science, University of California, Irvine, California
| | - Shlomit Radom-Aizik
- Pediatric Exercise Research Center, University of California, Irvine, California
| | - Pietro R Galassetti
- Institute for Clinical Translational Science, University of California, Irvine, California Department of Pharmacology, School of Medicine, University of California, Irvine, California
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Shikama Y, Aki N, Hata A, Nishimura M, Oyadomari S, Funaki M. Palmitate-stimulated monocytes induce adhesion molecule expression in endothelial cells via IL-1 signaling pathway. J Cell Physiol 2015; 230:732-42. [PMID: 25201247 DOI: 10.1002/jcp.24797] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 09/05/2014] [Indexed: 12/12/2022]
Abstract
Increased intake of saturated fatty acids (SFAs), such as palmitate (Pal), is linked to a higher risk of type 2 diabetes and cardiovascular disease. Although recent studies have investigated the direct effects of SFAs on inflammatory responses in vascular endothelial cells, it remains unknown whether SFAs also induce these responses mediated by circulating cells. In this study, especially focused on adhesion molecules and monocytes, we investigated the indirect effects of Pal on expression and release of ICAM-1 and E-selectin in vascular endothelial cells. Phorbol 12-myristate 13-acetate (PMA)-treated THP-1 (pTHP-1) cells and human monocytes were stimulated with various free fatty acids (FFAs). SFAs, but not unsaturated fatty acids (UFAs), increased interleukin (IL)-1β secretion and decreased IL-1 receptor antagonist (IL-1Ra) secretion, resulting in an increase in the IL-1β/IL-1Ra secretion ratio. UFAs dose-dependently inhibited the increase in IL-1β secretion and decrease in IL-1Ra secretion induced by Pal. Moreover, in human aortic and vein endothelial cells, expression and release of ICAM-1 and E-selectin were induced by treatment with conditioned medium collected from Pal-stimulated pTHP-1 cells and human monocytes, but not by Pal itself. The up-regulated expression and release of adhesion molecules by the conditioned medium were mostly abolished by recombinant human IL-1Ra supplementation. These results suggest that the Pal-induced increase in the ratio of IL-1β/IL-1Ra secretion in monocytes up-regulates endothelial adhesion molecules, which could enhance leukocyte adhesion to endothelium. This study provides further evidence that IL-1β neutralization through receptor antagonism may be useful for preventing the onset and development of cardiovascular disease.
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Affiliation(s)
- Yosuke Shikama
- Clinical Research Center for Diabetes, Tokushima University Hospital, Kuramoto-cho, Tokushima, Japan
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Rogoveanu OC, Mogoşanu GD, Bejenaru C, Bejenaru LE, Croitoru O, Neamţu J, Pietrzkowski Z, Reyes-Izquierdo T, Biţă A, Scorei ID, Scorei RI. Effects of Calcium Fructoborate on Levels of C-Reactive Protein, Total Cholesterol, Low-Density Lipoprotein, Triglycerides, IL-1β, IL-6, and MCP-1: a Double-blind, Placebo-controlled Clinical Study. Biol Trace Elem Res 2015; 163:124-31. [PMID: 25433580 PMCID: PMC4297309 DOI: 10.1007/s12011-014-0155-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Accepted: 10/02/2014] [Indexed: 11/24/2022]
Abstract
Calcium fructoborate (CFB) has been reported as supporting healthy inflammatory response. In this study, we assess the effects of CFB on blood parameters and proinflammatory cytokines in healthy subjects. This was a randomized, double-blinded, placebo-controlled trial. Participants received placebo or CFB at a dose of 112 mg/day (CFB-1) or 56 mg/day (CFB-2) for 30 days. Glucose, total cholesterol (TC), low-density lipoprotein (LDL), high-density lipoprotein (HDL), triglycerides (TG), C-reactive protein (CRP), homocysteine, interleukin 1 beta (IL-1β), IL-6, and monocyte chemoattractant protein-1 (MCP-1) were determined before and after supplementation. CFB-1 showed a reduction in blood levels of CRP by 31.3 % compared to baseline. CFB-1 and CFB-2 reduced LDL levels by 9.8 and 9.4 %, respectively. CFB-1 decreased blood homocysteine by 5.5 % compared with baseline, whereas CFB-2 did not have a significant effect. Blood levels of TG were reduced by 9.1 and 8.8 % for CFB-1 and CFB-2, respectively. Use of both CFB-1 and CFB-2 resulted in significantly reduced IL-6 levels, when compared within and between groups. IL-1β was reduced by 29.2 % in the CFB-1 group. Finally, CFB-1 and CFB-2 reduced MCP-1 by 31 and 26 %, respectively. Our data indicate that 30-day supplementation with 112 mg/day CFB (CFB-1) resulted in a significant reduction of LDL, TG, TC, IL-1β, IL-6, MCP-1, and CRP. HDL levels were increased, when compared to baseline and placebo. These results suggest that CFB might provide beneficial support to healthy cardiovascular systems by positively affecting these blood markers (ClinicalTrials.gov, ISRCTN90543844; May 24, 2012 ( http://www.controlled-trials.com/ISRCTN90543844 )).
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Affiliation(s)
- Otilia-Constantina Rogoveanu
- Department of Physical Medicine and Rehabilitation, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - George Dan Mogoşanu
- Department of Pharmacognosy and Phytotherapy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Cornelia Bejenaru
- Department of Vegetal and Animal Biology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Ludovic Everard Bejenaru
- Department of Pharmacognosy and Phytotherapy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Octavian Croitoru
- Department of Drug Control, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Johny Neamţu
- Department of Physics, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Zbigniew Pietrzkowski
- Applied BioClinical Laboratory, Futureceuticals, Inc., 16259 Laguna Canyon Rd, Irvine, CA 92618 USA
| | - Tania Reyes-Izquierdo
- Applied BioClinical Laboratory, Futureceuticals, Inc., 16259 Laguna Canyon Rd, Irvine, CA 92618 USA
| | - Andrei Biţă
- BioBoron Research Institute, Craiova, Romania
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Lipid crystals mechanically stimulate adjacent extracellular matrix in advanced atherosclerotic plaques. Atherosclerosis 2014; 237:769-76. [PMID: 25463119 DOI: 10.1016/j.atherosclerosis.2014.10.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 09/29/2014] [Accepted: 10/06/2014] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Although lipid crystals (LCs) have received attention as a causative factor of plaque rupture, the mechanisms by which they increase plaque vulnerability are unknown. We examined whether solid-state LCs physically affect the adjacent extracellular matrix (ECM) using a combination of multimodal nonlinear optical (MNLO) imaging and finite element analysis (FEA). METHODS The changes of ECMs affected by lipids in atherosclerotic arteries in apolipoprotein E-deficient mice (n = 32) fed a high-fat diet for 20-30 weeks were micro-anatomically visualized by a 3D MNLO imaging platform including CARS for lipids, TPEF for elastin, and SHG for collagen. RESULTS AND CONCLUSION The TPEF signal of elastin was increased at the peripheral regions of LCs (<10 μm) compared with foam cell regions. In order to confirm the increase of elastin, biochemical assay (western blot) was performed. The protein level of elastin was increased approximately 2.25-fold (p = 0.024) in LC-rich arteries. Under the hypothesis that the increase of elastin resulted from the mechanical stimulus from solid-state LCs, MNLO images were subjected to FEA to simulate the displacement according to the expanding magnitude of the vessel during cardiac cycles. We found that microscale focal stress was increased specifically around the LCs. These FEA results corresponded with the increase of elastin observed by TPEF. These data suggest that LCs mechanically stimulate the adjacent ECM to alter the composition of ECM and cause vessel remodeling. The combination of MNLO imaging and FEA has great potential to verify the mechanical predictions in cardiovascular diseases.
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Sánchez Muñoz-Torrero JF, Rivas MD, Zamorano J, Alonso R, Joya-Vazquez P, Padró T, Mata P. rs1801275 Interleukin-4 receptor alpha polymorphism in familial hypercholesterolemia. J Clin Lipidol 2014; 8:418-22. [DOI: 10.1016/j.jacl.2014.04.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Revised: 03/08/2014] [Accepted: 04/20/2014] [Indexed: 10/25/2022]
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MCS-18, a natural product isolated from Helleborus purpurascens, inhibits maturation of dendritic cells in ApoE-deficient mice and prevents early atherosclerosis progression. Atherosclerosis 2014; 235:263-72. [PMID: 24887015 DOI: 10.1016/j.atherosclerosis.2014.05.915] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Accepted: 05/02/2014] [Indexed: 11/20/2022]
Abstract
INTRODUCTION Inflammation accelerates both plaque progression and instability in the pathogenesis of atherosclerosis. The inhibition of dendritic cell (DC) maturation is a promising approach to suppress excessive inflammatory immune responses and has been shown to be protective in several autoimmune models. The aim of this study was to investigate the immune modulatory effects of the natural substance MCS-18, an inhibitor of DC maturation, regarding the progression of atherosclerosis in ApoE-deficient mice. MATERIALS AND METHODS ApoE-deficient mice were fed for twelve weeks with a Western-type diet (n = 32) or normal chow (control group; n = 16). Animals receiving high-fat diet were treated with MCS-18 (500 μg/kg body weight, n = 16) or saline (n = 16) twice a week. After 12 weeks, animals were transcardially perfused and sacrificed. The percentage of mature DCs (CD3(-)/CD19(-)/CD14(-)/NK1.1(-)/CD11c(+)/MHCII(+)/CD83(+)/CD86(+)) and T cell subpopulations (CD4(+)/CD25(+)/Foxp3(+), CD3/CD4/CD8) was analyzed in peripheral blood and in the spleen using flow cytometry. Plaque size was determined in the aortic root and the thoracoabdominal aorta using en-face staining. Immunohistochemical stainings served to detect inflammatory cells in the aortic root. Several cytokines and chemokines were determined in serum using multiplex assays. RESULTS In splenic cells derived from saline-treated atherosclerotic mice an increased DC maturation, reflected by the upregulation of CD83 and CD86 expression, was observed. The enhanced expression of both maturation markers was absent in MCS-18 treated atherosclerotic mice. While the percentage of splenic Foxp3 expressing Treg was increased in animals receiving MCS-18 compared to saline-treated atherosclerotic mice, cytotoxic T cells were reduced in the spleen and in atherosclerotic lesions of the aortic root. Furthermore, proatherogenic cytokines (e.g. IL-6 and IFN-γ) and chemokines (e.g. MIP-1β) were decreased in serum of MCS-18-treated animals when compared to saline-treated atherosclerotic mice. Also plaque size in the aortic root and the thoracoabdominal aorta was significantly lower following administration of MCS-18. CONCLUSION This study provides for the first time evidence that MCS-18 is able to prevent the onset of atherosclerosis in ApoE-deficient mice. The observed anti-atherogenic effect is associated with the suppression of DC maturation and an inhibited migration and proliferation of cytotoxic T cells.
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Cocoa polyphenols and inflammatory markers of cardiovascular disease. Nutrients 2014; 6:844-80. [PMID: 24566441 PMCID: PMC3942736 DOI: 10.3390/nu6020844] [Citation(s) in RCA: 81] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 12/30/2013] [Accepted: 02/06/2014] [Indexed: 02/07/2023] Open
Abstract
Epidemiological studies have demonstrated the beneficial effect of plant-derived food intake in reducing the risk of cardiovascular disease (CVD). The potential bioactivity of cocoa and its polyphenolic components in modulating cardiovascular health is now being studied worldwide and continues to grow at a rapid pace. In fact, the high polyphenol content of cocoa is of particular interest from the nutritional and pharmacological viewpoints. Cocoa polyphenols are shown to possess a range of cardiovascular-protective properties, and can play a meaningful role through modulating different inflammatory markers involved in atherosclerosis. Accumulated evidence on related anti-inflammatory effects of cocoa polyphenols is summarized in the present review.
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Badran M, Ayas N, Laher I. Insights into obstructive sleep apnea research. Sleep Med 2014; 15:485-95. [PMID: 24824769 DOI: 10.1016/j.sleep.2014.01.009] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 01/03/2014] [Accepted: 01/08/2014] [Indexed: 01/11/2023]
Abstract
Moderate to severe obstructive sleep apnea (OSA) occurs in 10-17% of middle aged men and 3-9% of middle-aged women with a higher prevalence among obese subjects. This condition is an independent risk factor for many cardiovascular diseases. Intermittent hypoxia is a major pathophysiologic character of OSA; it can lead to oxidative stress and inflammation, which in their turn cause endothelial dysfunction, a hallmark of atherosclerosis. Many animal models have been designed to mimic OSA in human patients to allow more in-depth investigation of biological and cellular mechanisms of this condition. This review discusses the cardiovascular outcomes of OSA and some of the animal models that are being used to investigate it.
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Affiliation(s)
- Mohammad Badran
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Najib Ayas
- Divisions of Critical Care and Respiratory Medicine, Department of Medicine, University of British Columbia, Sleep Disorders Program, UBC Hospital, Division of Critical Care Medicine, Providence Health Care, Vancouver, BC, Canada
| | - Ismail Laher
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.
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