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Pekas D, Chawda A, Desai N. Effective treatment of hypertrophic cardiomyopathy with left ventricular outflow tract obstruction using a covered stent. BMJ Case Rep 2022; 15:15/12/e250929. [PMID: 36535735 PMCID: PMC9764610 DOI: 10.1136/bcr-2022-250929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A woman in her 60s presented with progressive exertional dyspnoea, exertional chest pressure and exertional dizziness. Echocardiogram identified a 156 mm Hg left ventricular outflow tract gradient with provocation, indicating hypertrophic cardiomyopathy with left ventricular outflow obstruction-confirmed with MRI and angiogram. An alcohol septal ablation was planned but due to communication of the second septal perforator with the right ventricle and a wire-induced mid-left anterior descending artery dissection, alcohol septal ablation was not performed. Instead, a covered stent was placed in the mid-left anterior descending artery covering the origins of the third and fourth septal perforators. The left ventricular outflow tract gradient decreased from 90 to 30 mm Hg with provocation and her symptoms improved. Follow-up showed a left ventricular outflow tract gradient of 35 mm Hg with provocation and decreased symptoms.
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Affiliation(s)
- Devon Pekas
- School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Adya Chawda
- Interventional Cardiology, Sanford Health Bismarck, Bismarck, North Dakota, USA
| | - Nayan Desai
- Interventional Cardiology, Sanford Health Bismarck, Bismarck, North Dakota, USA
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Ishikawa T, Seki K. The association between oxidative stress and endothelial dysfunction in early childhood patients with Kawasaki disease. BMC Cardiovasc Disord 2018; 18:30. [PMID: 29426283 PMCID: PMC5807819 DOI: 10.1186/s12872-018-0765-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 01/31/2018] [Indexed: 12/22/2022] Open
Abstract
Background Oxidative stress has recently been shown to play an important role in the development of arteriosclerosis in patients with Kawasaki disease (KD); however, no study has investigated this association in early childhood patients with KD. In this study, we evaluated prospectively the association between the levels of oxidative stress and the endothelial function in early childhood patients with KD. Methods We compared the derivatives of reactive oxygen metabolites (ROM), flow-mediated dilatation (FMD), and biological characteristics in a population of 50 children: 10 patients with KD and coronary artery lesions (CAL) (group 1), 15 KD patients without CAL (group 2), and 25 healthy age- and sex-matched children (group 3). Results The median age of all KD children at study enrollment was 6.8 (IQR 4.4–8.2) years. ROM levels were significantly higher in group 1 (p < 0.001) and group 2 (p = 0.004) than in group 3. The %FMD of group 1 (p < 0.001) and group 2 (p = 0.026) was significantly lower than that of group 3. There was a significant negative correlation between ROM and %FMD (r = − 0.60, p < 0.001). A multiple linear regression analysis identified ln-ROM (standardized coefficient = − 0.403, p = 0.043) and total fever duration (standardized coefficient = − 0.413, p = 0.038) as significant determinants of %FMD in the patients with KD. Conclusions Our study suggests that oxidative stress is strongly associated with endothelial dysfunction in early childhood patients with KD. Furthermore, we found that the longer the fever duration, the higher the risk of oxidative stress-induced endothelial dysfunction in these children.
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Affiliation(s)
- Takamichi Ishikawa
- Department of Pediatrics, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan.
| | - Keigo Seki
- Department of Pediatrics, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-ku, Hamamatsu, 431-3192, Japan
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Meineri G, Giacobini M, Forneris G. Evaluation of physiological parameters of the plasma oxidative status in rabbits. JOURNAL OF APPLIED ANIMAL RESEARCH 2017. [DOI: 10.1080/09712119.2016.1190734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Giorgia Meineri
- Department of Veterinary Sciences, University of Torino, Grugliasco, Torino, Italy
| | - Mario Giacobini
- Department of Veterinary Sciences, University of Torino, Grugliasco, Torino, Italy
| | - Gilberto Forneris
- Department of Veterinary Sciences, University of Torino, Grugliasco, Torino, Italy
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Taylor BA, Tofler GH, Carey HMR, Morel-Kopp MC, Philcox S, Carter TR, Elliott MJ, Kull AD, Ward C, Schenck K. Full-mouth Tooth Extraction Lowers Systemic Inflammatory and Thrombotic Markers of Cardiovascular Risk. J Dent Res 2016; 85:74-8. [PMID: 16373685 DOI: 10.1177/154405910608500113] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Prior studies of a link between periodontal and cardiovascular disease have been limited by being predominantly observational. We used a treatment intervention model to study the relationship between periodontitis and systemic inflammatory and thrombotic cardiovascular indicators of risk. We studied 67 adults with advanced periodontitis requiring full-mouth tooth extraction. Blood samples were obtained: (1) at initial presentation, immediately prior to treatment of presenting symptoms; (2) one to two weeks later, before all teeth were removed; and (3) 12 weeks after full-mouth tooth extraction. After full-mouth tooth extraction, there was a significant decrease in C-reactive protein, plasminogen activator inhibitor-1 and fibrinogen, and white cell and platelet counts. This study shows that elimination of advanced periodontitis by full-mouth tooth extraction reduces systemic inflammatory and thrombotic markers of cardiovascular risk. Analysis of the data supports the hypothesis that treatment of periodontal disease may lower cardiovascular risk, and provides a rationale for further randomized studies.
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Affiliation(s)
- B A Taylor
- Sydney Dental Hospital, 2 Chalmers Street, Surry Hills NSW 2010, Australia.
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Karaca A, Omma T, Dura Deveci C, Bakar F, Doğan K, Aral Y, Gülçelik NE. Neopterin and hsCRP are not correlated in gestational diabetes mellitus. Gynecol Endocrinol 2016; 32:977-981. [PMID: 27276070 DOI: 10.1080/09513590.2016.1193850] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
OBJECTIVE To determine serum neopterin and high sensitive C-reactive protein (hsCRP) levels in patients with and without gestational diabetes mellitus (GDM). METHODS Neopterin and hsCRP levels were quantified in 28 women with GDM and 20 pregnant women with normal glucose tolerance (NGT). Postpartum neopterin and hsCRP levels were measured in a follow-up study. RESULTS Neopterin levels were significantly higher in women with GDM than in women with NGT (15.89 ± 8.19 nmol/L versus 10.4 ± 3.8 nmol/L, p < 0.008, respectively), however the levels significantly decreased after delivery in GDM group (15.89 ± 8.19 nmol/L versus 11.63 ± 5.96 nmol/L, p < 0.001). hsCRP levels were not different between women with and without GDM (5.74 ± 3.91 versus 5.73 ± 3.34, p = 0.9, respectively). In contrast, hsCRP levels decreased after delivery in patients with GDM (5.74 ± 3.91 versus 3.78 ± 2.78, p < 0.01). Neopterin levels were correlated with maternal age (r = 0.3, p = 0.02) and fasting glucose (r = 0.4, p = 0.004), postprandial glucose (r = 0.3, p = 0.01), HbA1c (r = 0.3, p = 0.02), whereas hsCRP levels were correlated with pre-pregnancy (r = 0.3, p = 0.04) and pregnancy body mass index (r = 0.4, p = 0.008). No correlation between serum neopterin and hsCRP levels was found (p = 0.9). CONCLUSION Neopterin levels increased in patients with GDM; hence, it may be related to inflammation. However, the lack of correlation between neopterin and hsCRP suggests the role of different attitudes of these two parameters in the course of pregnancy and GDM.
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Affiliation(s)
- Anara Karaca
- a Department of Endocrinology and Metabolism and
| | - Tülay Omma
- a Department of Endocrinology and Metabolism and
| | - Canan Dura Deveci
- b Department of Obstetrics and Gynecology , Ankara Training and Research Hospital , Altindağ, Ankara , Turkey , and
| | - Filiz Bakar
- c Department of Biochemistry , School of Pharmacy, Ankara University , Tandoğan, Ankara , Turkey
| | - Kübra Doğan
- a Department of Endocrinology and Metabolism and
| | - Yalçın Aral
- a Department of Endocrinology and Metabolism and
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Oxidative Stress Biomarkers and Left Ventricular Hypertrophy in Children with Chronic Kidney Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:7520231. [PMID: 26885251 PMCID: PMC4739446 DOI: 10.1155/2016/7520231] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 11/28/2015] [Accepted: 12/13/2015] [Indexed: 12/30/2022]
Abstract
Cardiovascular diseases remain the most frequent cause of morbidity and mortality in patients with chronic kidney disease (CKD). The aim of the study was to assess the association between oxidative stress biomarkers and cardiovascular risk factors and left ventricular hypertrophy in children with CKD. Material and Methods. The studied group consisted of 65 patients aged 1.4-18.6 (mean 11.2) years with stages 1 to 5 CKD. Serum oxidized low-density lipoprotein (oxLDL), protein carbonyl group, creatinine, cystatin C, albumin, lipids, high-sensitivity C-reactive protein, intercellular adhesion molecule-1, insulin, plasma renin activity, and aldosterone levels were measured. Patients were divided into groups depending on CKD stage. Anthropometric measurements, ambulatory blood pressure (BP) measurements, and echocardiography with left ventricular mass (LVM) calculation were performed. Results. Serum oxLDL strongly correlated with creatinine (R = 0.246; p = 0.048), cystatin C (R = 0.346; p = 0.006), total cholesterol (R = 0.500; p < 0.001), triglycerides (R = 0.524; p < 0.001), low-density lipoprotein concentrations (R = 0.456; p < 0.001), and 24 hour BP values of systolic (R = 0.492; p = 0.002), diastolic (R = 0.515; p < 0.001), and mean arterial pressure (R = 0.537; p < 0.001). A significant correlation between oxLDL levels and LVM z-scores (R = 0.299; p = 0.016) was found. Conclusions. Hypertension and dyslipidemia correlated with lipid oxidation in children with CKD. oxLDLs seem to be valuable markers of oxidative stress in CKD patients, correlating with left ventricular hypertrophy.
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Visser S, Hermes W, Blom HJ, Heijboer AC, Franx A, Van Pampus MG, Bloemenkamp KWM, Koopmans C, Mol BWJ, De Groot CJM. Homocysteinemia After Hypertensive Pregnancy Disorders at Term. J Womens Health (Larchmt) 2015; 24:524-9. [PMID: 26070038 DOI: 10.1089/jwh.2015.5201] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Results from a number of long-term follow-up studies have suggested that hypertensive disorders in pregnancy are associated with increased risk of cardiovascular disease later in life. More recently, this putative relationship has been substantiated with findings of elevated cardiovascular risk factors, such as lipid profiles and glucose, in women with a history of hypertensive pregnancy disorders. Homocysteine is a sensitive indicator of increased risk but data on homocysteine levels in women with a history of hypertensive pregnancy disorders are inconsistent. DESIGN This cohort study included 279 women with a history of hypertensive pregnancy disorders at term and 85 women with a history of uncomplicated pregnancies who participated in the Hypitat Risk Assessment Study (HyRAS). METHODS Blood samples for total homocysteine determination were taken 2.5 years postpartum. Homocysteine levels were determined in plasma using an immunoassay. RESULTS Women with a history of hypertensive pregnancy disorders had significant higher median homocysteine levels (10.66 μmol/L) 2.5 years postpartum compared with women with a history uncomplicated pregnancies (9.82 μmol/L; p=0.002). Women with a history of hypertensive pregnancy disorders had a higher risk of having a homocysteine level in the highest quartile (odds ratio 3.4, 95% confidence interval 1.5-7.6). CONCLUSION At 2.5 years postpartum, women with a history hypertensive pregnancy disorders had higher homocysteine levels than women who had uncomplicated pregnancies. Although higher homocysteine levels might be a potential link between a history of hypertensive pregnancy disorders and increased cardiovascular disease risk later in life, the clinical implications remain an area for future research.
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Affiliation(s)
- Sanne Visser
- 1 Department of Obstetrics and Gynecology, VU University Medical Centre , Amsterdam, The Netherlands .,2 Department of Obstetrics and Gynecology, Zaans Medical Centre , Zaandam, The Netherlands
| | - Wietske Hermes
- 3 Department of Obstetrics and Gynecology, Medical Center Haaglanden , The Hague, The Netherlands
| | - Henk J Blom
- 4 Labor für Klinische Biochemie und Stoffwechsel , Zentrum für Kinder- und Jugendmedizin, Freiburg, Germany
| | - Annemieke C Heijboer
- 5 Department of Clinical Chemistry, VU University Medical Centre , Amsterdam, The Netherlands
| | - Arie Franx
- 6 Division of Woman and Baby, University Medical Center Utrecht , Utrecht, The Netherlands
| | - Maria G Van Pampus
- 7 Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis, Amsterdam, The Netherlands
| | - Kitty W M Bloemenkamp
- 8 Department of Obstetrics and Gynecology, University Medical Centre Leiden , Leiden, The Netherlands
| | - Corine Koopmans
- 9 Department of Obstetrics and Gynecology, University Medical Centre Groningen , Groningen, The Netherlands
| | - Ben Willem J Mol
- 10 Department of Obstetrics and Gynecology, University of Adelaide , Adelaide, Australia
| | - Christianne J M De Groot
- 1 Department of Obstetrics and Gynecology, VU University Medical Centre , Amsterdam, The Netherlands
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Sivri N, Unlu A, Palabiyik O, Budak M, Kacmaz Y, Yalta K, Sipahi T. Endothelial nitric oxide synthase intron 4a/b polymorphism in coronary artery disease in Thrace region of Turkey. BIOTECHNOL BIOTEC EQ 2014; 28:1115-1120. [PMID: 26019598 PMCID: PMC4433908 DOI: 10.1080/13102818.2014.980030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 04/12/2014] [Indexed: 11/30/2022] Open
Abstract
Coronary artery disease (CAD) is one of the frequent cardiovascular mortality causes in the world. Common risk factors explain only about half the risk of CAD. The healthy familial predisposition to CAD, combined with advances in genetic analysis, has led to a number of studies in recent years making an effort to identify the genetic factors that influence the risk. The approach taken by most studies was to examine the association of naturally occurring genetic polymorphisms in candidate genes with risk of or severity of CAD. Endothelial nitric oxide synthase (eNOS) is important for vascular and tissue protection and is found in endothelial cells that encompass the entire vasculature, including the vessels in the heart. Nitric oxide (NO) is produced in a catabolic reaction in the endothelial cells, neurons, glia and macrophages by nitric oxide synthase (NOS) isoenzymes. eNOS is a subgroup of this family of enzymes that catalyses the production of nitric oxide (NO) from L-arginine and oxygen, which leads to vascular relaxation by activating the guanylate cyclase. This finally induces smooth muscle relaxation. The aim of this study was to investigate the allelic frequency and the genotypic distribution of the variable number of tandem repeat 27 (27 VNTR) gene polymorphism in intron 4 of the eNOS (eNOS 4a/b) gene in Thrace region, to compare CAD patients with appropriate healthy controls and to correlate the genetic findings with CAD subtypes. The study group included 281 (153 subjects with CAD and 128 controls) patients. The eNOS polymorphism was identified with a polymerase chain reaction. Genotypes were defined as aa, ab and bb according to the presence of a and b alleles. In this case–control study, we found that there was sensible correlation between eNOS gene intron 4a/b VNTR polymorphism and the risk of CAD in Thrace region of Turkey. However, there was no major difference for the genotype distribution and the allelic frequency among the CAD subtypes. Further studies on the interaction of such genes are needed to clarify the association between eNOS 4a/b polymorphism and CAD patients.
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Affiliation(s)
- N Sivri
- Department of Cardiology, School of Medicine, Trakya University , Edirne , Turkey
| | - A Unlu
- Department of Biophysics, School of Medicine, Trakya University , Edirne , Turkey
| | - O Palabiyik
- Department of Biophysics, School of Medicine, Trakya University , Edirne , Turkey
| | - M Budak
- Department of Biophysics, School of Medicine, Trakya University , Edirne , Turkey
| | - Y Kacmaz
- Department of Cardiology, School of Medicine, Trakya University , Edirne , Turkey
| | - K Yalta
- Department of Cardiology, School of Medicine, Trakya University , Edirne , Turkey
| | - T Sipahi
- Department of Biophysics, School of Medicine, Trakya University , Edirne , Turkey
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Wakabayashi T, Kawashima T, Matsuzawa Y. Evaluation of reactive oxygen metabolites in patients with non-small cell lung cancer after chemotherapy. Multidiscip Respir Med 2014; 9:44. [PMID: 25180083 PMCID: PMC4150680 DOI: 10.1186/2049-6958-9-44] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2014] [Accepted: 07/21/2014] [Indexed: 11/14/2022] Open
Abstract
Background The aim of this study was to evaluate the level of reactive oxygen metabolites (ROMs) after chemotherapy in patients with non-small cell lung cancer (NSCLC) and its association with response to treatment. Methods Fifty-eight untreated NSCLC patients and twenty-three healthy subjects were selected for the study. Patients received two courses of platinum-based chemotherapy and were evaluated for oxidative stress and treatment response. As a marker of reactive oxygen species, ROMs levels were measured using the d-ROMs test. Results ROMs level (mean ± standard deviation) before chemotherapy in NSCLC patients (416 ± 135 U.CARR) was significantly elevated (p = 0.016) compared to normal healthy subjects (320 ± 59 U.CARR). Patients who responded to chemotherapy showed significantly decreased (p = 0.014) ROMs levels after chemotherapy, whereas patients who had stable disease or progressive disease showed no change in ROMs level (p = 0.387). Conclusions NSCLC patients had significantly elevated ROMs levels before chemotherapy compared with normal healthy subjects. Chemotherapy may suppress ROMs production in responders but not in non-responders. ROMs level may be a predictor of clinical outcome in patients receiving chemotherapy for NSCLC.
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Affiliation(s)
- Toru Wakabayashi
- Department of Internal Medicine, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura-shi, Chiba 285, Japan
| | - Tatsuo Kawashima
- Department of Internal Medicine, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura-shi, Chiba 285, Japan
| | - Yasuo Matsuzawa
- Department of Internal Medicine, Toho University Sakura Medical Center, 564-1 Shimoshizu, Sakura-shi, Chiba 285, Japan
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Kim SJ, Moon GJ, Bang OY. Biomarkers for stroke. J Stroke 2013; 15:27-37. [PMID: 24324937 PMCID: PMC3779673 DOI: 10.5853/jos.2013.15.1.27] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2012] [Revised: 12/26/2012] [Accepted: 12/27/2012] [Indexed: 01/22/2023] Open
Abstract
Background Major stroke clinical trials have failed during the past decades. The failures suggest the presence of heterogeneity among stroke patients. Biomarkers refer to indicators found in the blood, other body fluids or tissues that predicts physiologic or disease states, increased disease risk, or pharmacologic responses to a therapeutic intervention. Stroke biomarkers could be used as a guiding tool for more effective personalized therapy. Main Contents Three aspects of stroke biomarkers are explored in detail. First, the possible role of biomarkers in patients with stroke is discussed. Second, the limitations of conventional biomarkers (especially protein biomarkers) in the area of stroke research are presented with the reasons. Lastly, various types of biomarkers including traditional and novel genetic, microvesicle, and metabolomics-associated biomarkers are introduced with their advantages and disadvantages. We especially focus on the importance of comprehensive approaches using a variety of stroke biomarkers. Conclusion Although biomarkers are not recommended in practice guidelines for use in the diagnosis or treatment of stroke, many efforts have been made to overcome the limitations of biomarkers. The studies reviewed herein suggest that comprehensive analysis of different types of stroke biomarkers will improve the understanding of individual pathophysiologies and further promote the development of screening tools for of high-risk patients, and predicting models of stroke outcome and rational stroke therapy tailored to the characteristics of each case.
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Affiliation(s)
- Suk Jae Kim
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Toker A, Yerlikaya FH, Yener Y, Toy H. Serum homocysteine, arginine, citrulline and asymmetric dimethyl arginine levels, and histopathologic examination of the abdominal aorta in rats exposed to acrylamide. Biotech Histochem 2012; 88:103-8. [DOI: 10.3109/10520295.2012.745950] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Singh N, Sinha N, Kumar S, Pandey CM, Agrawal S. Glutathione S-transferase gene polymorphism as a susceptibility factor for acute myocardial infarction and smoking in the North Indian population. Cardiology 2011; 118:16-21. [PMID: 21389716 DOI: 10.1159/000324066] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2010] [Accepted: 12/28/2010] [Indexed: 11/19/2022]
Abstract
OBJECTIVES Glutathione S-transferase (GST) plays a key role in the detoxification of xenobiotic atherogens generated by smoking. We investigated whether functional GST gene polymorphism might be associated with acute myocardial infarction (AMI) and smoking. No such investigation has previously been conducted among North Indians. METHODS 230 patients with AMI and 300 healthy controls of North Indian ethnicity were enrolled in the study. GSTM1/T1/P1 gene polymorphisms were examined using restriction fragment length polymorphism. RESULTS When GST polymorphism was analyzed in patients with AMI, GSTM1 null genotype frequencies were 0.24 and 0.21 among cases with coronary artery disease and controls, respectively. The respective GSTT1 null genotype frequencies were 0.10 and 0.20 (p = 0.001). GSTP1 variant Val/Val allele frequencies were 0.02 and 0.07 with p = 0.03. After risk factor adjustment, only GSTP1Val/Val was found to be protective against disease. Considering the effect of GST (T1, M1, and P1) gene polymorphism on smoking, subjects were further divided into smokers and nonsmokers. However, GSTT1 null as well as GSTP Val/Val genotypes were protective only in nonsmokers (p = 0.01 and p = 0.04). CONCLUSIONS A significant protective effect of GSTT1 null and GSTP1 Val genotype against disease was observed in patients with AMI although protection was limited to nonsmokers.
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Affiliation(s)
- Neha Singh
- Department of Cardiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India
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Kostapanos MS, Spyrou AT, Tellis CC, Gazi IF, Tselepis AD, Elisaf M, Liberopoulos EN. Ezetimibe Treatment Lowers Indicators of Oxidative Stress in Hypercholesterolemic Subjects with High Oxidative Stress. Lipids 2011; 46:341-8. [PMID: 21359598 DOI: 10.1007/s11745-011-3539-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2010] [Accepted: 02/04/2011] [Indexed: 11/30/2022]
Affiliation(s)
- Michael S Kostapanos
- Department of Internal Medicine, Medical School, University of Ioannina, Ioannina, Greece
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Parmigiani S, Gianotti D, Pezzoni S, Corradi M, Bevilacqua G. Evaluation of normal values of reactive oxygen species and total antioxidant defenses on cord blood of full-term healthy infants with a bedside method. J Matern Fetal Neonatal Med 2011; 24:1065-70. [DOI: 10.3109/14767058.2010.545920] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Lakshmy R, Fall CH, Sachdev HS, Osmond C, Prabhakaran D, Biswas SD, Tandon N, Ramji S, Reddy KS, Barker DJ, Bhargava SK. Childhood body mass index and adult pro-inflammatory and pro-thrombotic risk factors: data from the New Delhi birth cohort. Int J Epidemiol 2011; 40:102-11. [PMID: 20660641 PMCID: PMC3428891 DOI: 10.1093/ije/dyq121] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
OBJECTIVE Weight gain and growth in early life may influence adult pro-inflammatory and pro-thrombotic cardiovascular risk factors. METHODS Follow-up of a birth cohort in New Delhi, India, whose weight and height were measured every 6 months until age 21 years. Body mass index (BMI) at birth, during infancy (2 years), childhood (11 years) and adulthood (26-32 years) and BMI gain between these ages were analysed in 886 men and 640 women with respect to adult fibrinogen, high-sensitivity C-reactive protein (hsCRP) and plasminogen activator inhibitor-1 (PAI-1) concentrations. RESULTS All the pro-inflammatory/pro-thrombotic risk factors were higher in participants with higher adiposity. In women, BMI at birth and age 2 years was inversely related to fibrinogen (P = 0.002 and 0.05) and, after adjusting for adult adiposity, to hsCRP (P = 0.02 and 0.009). After adjusting for adult adiposity, BMI at 2 years was inversely related to hsCRP and PAI-1 concentrations (P < 0.001 and 0.02) in men. BMI gain between 2 and 11 years and/or 11 years to adulthood was positively associated with fibrinogen and hsCRP in women and with hsCRP and PAI-1 in men. CONCLUSIONS Thinness at birth or during infancy, and accelerated BMI gain during childhood/adolescence are associated with a pro-inflammatory/pro-thrombotic state in adult life. An altered inflammatory state could be one link between small newborn/infant size and adult cardiovascular disease. Associations between pro-inflammatory markers and childhood/adolescent BMI gain are probably mediated through adult adiposity.
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Affiliation(s)
- Ramakrishnan Lakshmy
- Department of Cardiac Biochemistry, Department of Endocrinology, All India Institute of Medical Sciences, New Delhi, India.
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Matsumoto T, Takashima H, Nakae I, Yamane T, Hayashi H, Horie M. Angiotensin-Converting Enzyme Inhibition Augments Coronary Release of Tissue Plasminogen Activator in Women But Not in Men. Hypertension 2010; 56:364-8. [DOI: 10.1161/hypertensionaha.110.154278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The renin-angiotensin system regulates the vascular fibrinolytic balance. In the human forearm vasculature, angiotensin-converting enzyme (ACE) inhibitors (ACE-Is) increase the release of t-PA through endogenous bradykinin. We tested the hypothesis that ACE inhibition and sex modulate the endogenous coronary release of tissue plasminogen activator (t-PA) in hypertensive patients. Seventy-three patients underwent diagnostic coronary angiography and had normal coronary angiograms. Thirty-three patients (21 men and 12 women) were treated with imidapril (5 mg/day) for 4 weeks (ACE-I group), and 40 (23 men and 17 women) were not treated with ACE-I (non–ACE-I group). All of the women were postmenopausal. Coronary blood flow in the left anterior descending artery was evaluated by measuring Doppler flow velocity. Net coronary t-PA release was determined as (coronary sinus−aorta gradient of t-PA)×(coronary blood flow)×[(100−hematocrit)/100]. Age, arterial pressure, heart rate, lipid levels, coronary flow, and the plasma level of t-PA at either aorta or coronary sinus were comparable among the 4 groups. In women, net t-PA release in the ACE-I group was significantly higher than that in the other groups (
P
<0.05; man non–ACE-I group: 1.4±2.6 ng/mL; woman non–ACE-I group: 1.4±3.1 ng/mL; man ACE-I group: −1.8±2.8 ng/mL; woman ACE-I group: 14.8±3.6 ng/mL). Correction for smoking status gave similar results. There was a significant negative correlation between serum ACE activity and coronary t-PA release in women (
r
=−0.38;
P
<0.05) but not in men. ACE inhibition increases coronary release of t-PA in women but not in men.
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Affiliation(s)
- Tetsuya Matsumoto
- From the Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Hiroyuki Takashima
- From the Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Ichiro Nakae
- From the Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Tetsunobu Yamane
- From the Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Hideki Hayashi
- From the Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
| | - Minoru Horie
- From the Department of Cardiovascular and Respiratory Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan
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17
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Veglia F, Werba JP, Tremoli E, Squellerio I, Sisillo E, Parolari A, Minardi F, Cavalca V. Assessment of oxidative stress in coronary artery bypass surgery: comparison between the global index OXY-SCORE and individual biomarkers. Biomarkers 2010; 14:465-72. [PMID: 19863184 DOI: 10.3109/13547500903134395] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The performances of the OXY-SCORE, a summary index of oxidative stress, and of its individual components (plasma malondialdehyde (MDA), oxidized and reduced glutathione, individual antioxidant capacity, alpha- and gamma-tocopherol and urinary isoprostanes) were assessed in 47 patients undergoing coronary surgery, randomly assigned to cardiopulmonary bypass (CPB) or off-pump procedure (OPCAB) associated with less oxidative stress. The ability of the OXY-SCORE to classify correctly the patients was high (area under the ROC curve 0.90). Only free MDA showed a similar performance, but it was insensitive to the minor variations of the oxidative balance in the OPCAB group.
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18
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Zhao Y, He X, Shi X, Huang C, Liu J, Zhou S, Heng CK. Association between serum amyloid A and obesity: a meta-analysis and systematic review. Inflamm Res 2010; 59:323-34. [PMID: 20140694 DOI: 10.1007/s00011-010-0163-y] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2009] [Revised: 12/31/2009] [Accepted: 01/18/2010] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Emerging evidence indicates an association of the acute-phase protein serum amyloid A (SAA) with obesity. Here we review and summarize quantitatively the available data related to this association. METHODS PubMed was systematically searched using the terms "serum amyloid A" and "obesity." Eighty-one relevant studies between January 1966 and July 2009 were identified. Of these, only 11 cross-sectional studies and 10 prospective studies with successful interventions met our inclusion criteria for the meta-analysis. All analyses were conducted using the Comprehensive Meta-Analysis software. Literature pertaining to the relationship between SAA and other inflammatory markers, and the association between SAA and obesity-related disorders, such as cardiovascular diseases, atherosclerosis, diabetes, and insulin resistance was also reviewed. RESULTS A strong association between body mass index and SAA levels was found in the 11 cross-sectional studies. The overall correlation coefficient is 0.230 (95% CI 0.160-0.297, P < 0.0005). The ten prospective studies were subsequently analyzed, and the difference in SAA levels before and after weight loss, expressed as standardized mean difference was -0.480 (95% CI -0.678 to -0.283, P < 0.0005). We discuss some potential underlying mechanisms and clinical applications for reducing SAA levels in obesity.
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Affiliation(s)
- Yulan Zhao
- Advanced Institute of NBIC Integrated Drug Discovery and Development, East China Normal University, North Zhongshan Road #3663, Shanghai, 200062, People's Republic of China.
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19
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Dominguez LJ, Galioto A, Pineo A, Ferlisi A, Ciaccio M, Putignano E, Belvedere M, Costanza G, Barbagallo M. Age, Homocysteine, and Oxidative Stress: Relation to Hypertension and Type 2 Diabetes Mellitus. J Am Coll Nutr 2010; 29:1-6. [PMID: 20595639 DOI: 10.1080/07315724.2010.10719810] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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20
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Abstract
Current imaging techniques focus on evaluating the anatomical structure of blood vessel wall and atherosclerotic plaque. These techniques fail to evaluate the biological processes which take place in the vessel wall and inside the plaque. Novel imaging techniques like optical imaging can evaluate the biological and cellular processes inside the plaque and provide information which can be vital for better patient risk stratification. This review highlights the various optical imaging techniques and their application in assessing biological processes in atherosclerosis.
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Affiliation(s)
- Sharath Subramanian
- Cardiac MR-PET-CT Program, Massachusetts General Hospital, 165 Cambridge Street, Suite 400, Boston, MA 02114, USA
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21
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Sunyer J, Forastiere F, Pekkanen J, Plana E, Kolz M, Pistelli R, Jacquemin B, Bruske-Hohlfeld I, Pitsavos C, Bellander T, Koenig W, Peters A. Interaction between smoking and the interleukin-6 gene affects systemic levels of inflammatory biomarkers. Nicotine Tob Res 2009; 11:1347-53. [DOI: 10.1093/ntr/ntp144] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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22
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Chamnan P, Simmons RK, Sharp SJ, Griffin SJ, Wareham NJ. Cardiovascular risk assessment scores for people with diabetes: a systematic review. Diabetologia 2009; 52:2001-14. [PMID: 19629430 PMCID: PMC2744770 DOI: 10.1007/s00125-009-1454-0] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2009] [Accepted: 05/11/2009] [Indexed: 01/18/2023]
Abstract
People with type 2 diabetes have an increased risk of cardiovascular disease (CVD). Multivariate cardiovascular risk scores have been used in many countries to identify individuals who are at high risk of CVD. These risk scores include those originally developed in individuals with diabetes and those developed in a general population. This article reviews the published evidence for the performance of CVD risk scores in diabetic patients by: (1) examining the overall rationale for using risk scores; (2) systematically reviewing the literature on available scores; and (3) exploring methodological issues surrounding the development, validation and comparison of risk scores. The predictive performance of cardiovascular risk scores varies substantially between different populations. There is little evidence to suggest that risk scores developed in individuals with diabetes estimate cardiovascular risk more accurately than those developed in the general population. The inconsistency in the methods used in evaluation studies makes it difficult to compare and summarise the predictive ability of risk scores. Overall, CVD risk scores rank individuals reasonably accurately and are therefore useful in the management of diabetes with regard to targeting therapy to patients at highest risk. However, due to the uncertainty in estimation of true risk, care is needed when using scores to communicate absolute CVD risk to individuals.
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Affiliation(s)
- P. Chamnan
- MRC Epidemiology Unit, Institute of Metabolic Science, Addenbrooke’s Hospital, Box 285, Hills Road, Cambridge, CB2 0QQ UK
| | - R. K. Simmons
- MRC Epidemiology Unit, Institute of Metabolic Science, Addenbrooke’s Hospital, Box 285, Hills Road, Cambridge, CB2 0QQ UK
| | - S. J. Sharp
- MRC Epidemiology Unit, Institute of Metabolic Science, Addenbrooke’s Hospital, Box 285, Hills Road, Cambridge, CB2 0QQ UK
| | - S. J. Griffin
- MRC Epidemiology Unit, Institute of Metabolic Science, Addenbrooke’s Hospital, Box 285, Hills Road, Cambridge, CB2 0QQ UK
| | - N. J. Wareham
- MRC Epidemiology Unit, Institute of Metabolic Science, Addenbrooke’s Hospital, Box 285, Hills Road, Cambridge, CB2 0QQ UK
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23
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Periodontal disease and risk of atherosclerotic coronary heart disease. Odontology 2009; 97:84-91. [PMID: 19639450 DOI: 10.1007/s10266-009-0104-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2009] [Accepted: 05/11/2009] [Indexed: 12/22/2022]
Abstract
Atherosclerosis is an important component of coronary heart disease (CHD), which is the leading cause of death worldwide, including in Japan. Because atherosclerotic processes are typified by chronic inflammatory responses, which are similar to those elicited by chronic infection, the role of infection in promoting or accelerating atherosclerosis has received considerable focus. Increasing evidence supports the notion that periodontitis is associated with increased risk of atherosclerosis through dysfunction of endothelial cells induced by either periodontopathic bacteria or their products, or inflammatory mediators derived from infected periodontal tissue. Here we review whether periodontitis represents a risk factor for CHD or atherosclerosis, particularly in a Japanese population.
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24
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Andreadou I, Iliodromitis EK, Farmakis D, Kremastinos DT. To prevent, protect and save the ischemic heart: antioxidants revisited. Expert Opin Ther Targets 2009; 13:945-56. [DOI: 10.1517/14728220903039698] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Alvarez-Llamas G, de la Cuesta F, Barderas MEG, Darde V, Padial LR, Vivanco F. Recent advances in atherosclerosis-based proteomics: new biomarkers and a future perspective. Expert Rev Proteomics 2009; 5:679-91. [PMID: 18937558 DOI: 10.1586/14789450.5.5.679] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Vascular proteomics is providing two main types of data: proteins that actively participate in vascular pathophysiological processes and novel protein candidates that can potentially serve as useful clinical biomarkers. Although both types of proteins can be identified by similar proteomic strategies and methods, it is important to clearly distinguish biomarkers from mediators of disease. A particular protein, or group of proteins, may participate in a pathogenic process but not serve as an effective biomarker. Alternatively, a useful biomarker may not mediate pathogenic pathways associated with disease (i.e., C-reactive protein). To date, there are no clear successful examples in which discovery proteomics has led to a novel useful clinical biomarker in cardiovascular diseases. Nevertheless, new sources of biomarkers are being explored (i.e., secretomes, circulating cells, exosomes and microparticles), an increasing number of novel proteins involved in atherogenesis are constantly described, and new technologies and analytical strategies (i.e., quantitative proteomics) are being developed to access low abundant proteins. Therefore, this presages a new era of discovery and a further step in the practical application to diagnosis, prognosis and early action by medical treatment of cardiovascular diseases.
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26
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Cardiac markers: a clear cause for point-of-care testing. Anal Bioanal Chem 2009; 393:1453-62. [PMID: 19148628 DOI: 10.1007/s00216-008-2573-z] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2008] [Revised: 11/04/2008] [Accepted: 12/08/2008] [Indexed: 01/21/2023]
Abstract
Point-of-care testing (POCT) in patients with ischemic heart disease is driven by the time-critical need for fast, specific, and accurate results to initiate therapy instantly. According to current guidelines, the results of the cardiac marker testing should be available to the physician within 30 min ("vein-to-brain" time) to initiate therapy within 60-90 min ("door-to-needle" time) after the patient has arrived at the emergency room or intensive care unit. This article reviews the current efforts to meet this goal (1) by implementing POCT of established biochemical markers such as cardiac troponins, creatine kinase MB, and myoglobin, in accelerated diagnosis and management workflow schemes, (2) by improving current POCT methods to obtain more accurate, more specific, and even faster tests through the integration of optical and electrochemical sensor technology, and (3) by identifying new markers for the very early and sensitive detection of myocardial ischemia and necrosis. Furthermore, the specific requirements for cardiac POCT in regard to analytical performance, comparability, and diagnostic sensitivity/specificity are discussed. For the future, the integration of new immunooptical and electrochemical chip technology might speed up diagnosis even further. However, every new development will have to meet the stringent method validation criteria set for corresponding central laboratory testing.
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27
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Peters A, Schneider A, Greven S, Bellander T, Forastiere F, Ibald-Mulli A, Illig T, Jacquemin B, Katsouyanni K, Koenig W, Lanki T, Pekkanen J, Pershagen G, Picciotto S, Rückerl R, Rosario AS, Stefanadis C, Sunyer J. Air Pollution and Inflammatory Response in Myocardial Infarction Survivors: Gene–Environment Interactions in a High-Risk Group. Inhal Toxicol 2008; 19 Suppl 1:161-75. [PMID: 17886064 DOI: 10.1080/08958370701496129] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Ambient air pollution has been associated with an increased risk of hospital admission and mortality in potentially susceptible subpopulations, including myocardial infarction (MI) survivors. The multicenter epidemiological study described in this report was set up to study the role of air pollution in eliciting inflammation in MI survivors in six European cities, Helsinki, Stockholm, Augsburg, Rome, Barcelona, and Athens. Outcomes of interest are plasma concentrations of the proinflammatory cytokine interleukin 6 (IL-6) and the acute-phase proteins C-reactive protein (CRP) and fibrinogen. In addition, the study was designed to assess the role of candidate gene polymorphisms hypothesized to lead to a modification of the short-term effects of ambient air pollution. In total, 1003 MI survivors were recruited and assessed with at least 2 repeated clinic visits without any signs of infections. In total, 5813 blood samples were collected, equivalent to an average of 5.8 repeated clinic visits per subject (97% of the scheduled 6 repeated visits). Subjects across the six cities varied with respect to risk factor profiles. Most of the subjects were nonsmokers, but light smokers were included in Rome, Barcelona, and Athens. Substantial inter- and intraindividual variability was observed for IL-6 and CRP. The study will permit assessing the role of cardiovascular disease risk factors, including ambient air pollution and genetic polymorphisms in candidate genes, in determining the inter- and the intraindividual variability in plasma IL-6, CRP, and fibrinogen concentrations in MI survivors.
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Affiliation(s)
- Annette Peters
- GSF-National Research Center for Environment and Health, Institute of Epidemiology, Neuherberg, Germany.
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28
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Vittorini S, Clerico A. Cardiovascular biomarkers: increasing impact of laboratory medicine in cardiology practice. Clin Chem Lab Med 2008; 46:748-63. [PMID: 18601595 DOI: 10.1515/cclm.2008.188] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The practice of cardiology is in continual evolution, in parallel with the progress achieved by medical research in understanding the pathophysiology of cardiovascular disease and in developing new therapeutic procedures. Consequently, manufacturers of cardiac biomarkers are pressed with new demands to improve the performance of the existing and the development of novel ones. Several highly sensitive and/or specific assays for myocardial ischemic damage and myocardial function detection have already become commercially available. Moreover, an increasing number of novel risk factors have been added to the classical risk factors of cardiovascular disease. Finally, the recent surge of genetic analysis procedures will likely soon provide the clinical cardiologist with a number of laboratory tests for defining the molecular diagnosis, assessing new risk factors, and better targeting the pharmaceutical approaches in patients with cardiovascular disease. In this review, we first present the general characteristics of a biomarker followed by the analytical and clinical performance of assay methods.
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Affiliation(s)
- Simona Vittorini
- Institute of Clinical Physiology - National Research Council, Pisa, Italy.
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29
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Albert MA. Race/ethnicity and inflammation: is there a link to periodontal disease? J Periodontol 2008; 79:1121-3. [PMID: 18597591 DOI: 10.1902/jop.2008.080219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Michelle Asha Albert
- Center for Cardiovascular Disease Prevention, Donald W Reynolds Center for Cardiovascular Disease Research, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
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30
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Paraskevas S, Huizinga JD, Loos BG. A systematic review and meta-analyses on C-reactive protein in relation to periodontitis. J Clin Periodontol 2008; 35:277-90. [PMID: 18294231 DOI: 10.1111/j.1600-051x.2007.01173.x] [Citation(s) in RCA: 479] [Impact Index Per Article: 29.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
AIM Elevated plasma C-reactive protein (CRP) is regarded as a risk predictor for cardiovascular diseases. This systematic review explored the robustness of observations that CRP is elevated in periodontitis. Similarly, the effect of periodontal therapy on CRP levels was investigated. MATERIAL AND METHODS Selection of publications was based on: (1) cross-sectional (case-control) studies; (2) longitudinal (treatment) studies; (3) high-sensitivity CRP measurement; (4) median and/or mean (+/-SD) values presented; and (5) subjects with no systemic disorders. RESULTS Screening of the initially 448 identified studies and reference checking resulted in 18 suitable papers. The majority of the studies showed that CRP levels are higher in patients than in controls. Often, studies showed that patients had CRP levels >2.1 mg/l. A meta-analysis of 10 cross-sectional studies showed that the weighted mean difference (WMD) of CRP between patients and controls was 1.56 mg/l (p<0.00001). Evidence from available treatment studies (n=6) showed lower levels of CRP after periodontal therapy. Eligible treatment studies in a meta-analysis demonstrated a WMD of reductions of CRP after therapy of 0.50 mg/L (95% CI 0.08-0.93) (p=0.02). CONCLUSIONS There is strong evidence from cross-sectional studies that plasma CRP in periodontitis is elevated compared with controls. There is modest evidence on the effect of periodontal therapy in lowering the levels of CRP.
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Affiliation(s)
- Spiros Paraskevas
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije University, Amsterdam, The Netherlands.
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31
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Abstract
In the last few years, there has been increasing focus on the impact of interventions on cardiovascular outcomes in patients with type 2 diabetes. Insulin resistance and hyperglycaemia often co-exist with a cluster of risk factors for coronary artery disease, but the underlying mechanisms leading to the development of such vascular complications are complex. The over-production of free radicals in patients suffering from diabetes results in a state of oxidative stress, which leads to endothelial dysfunction and a greater risk of atherosclerosis. Moreover, inflammatory factors which play a critical role in atherothrombosis and plaque rupture are often found to be at elevated levels in this patient population. Thiazolidinediones (TZDs) are now routinely used to manage glucose levels, and have been suggested to influence other cardiovascular risk factors and therefore the pathways leading to macrovascular events. Consequently, recent studies have investigated the anti-inflammatory and anti-atherogenic properties of TZDs. The data available up to the present time, in the context of the emerging cardiovascular outcome profiles of rosiglitazone and pioglitazone, will be discussed here.
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Affiliation(s)
- Antonio Ceriello
- Warwick Medical School, Clinical Sciences Research Institute, University Hospital, Coventry, Warwickshire, UK.
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32
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Are biomarkers useful for assessing cardiovascular risk in patients with chronic kidney disease? Curr Opin Nephrol Hypertens 2007; 16:506-11. [DOI: 10.1097/mnh.0b013e3282f0b331] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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33
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Nibali L, D'Aiuto F, Griffiths G, Patel K, Suvan J, Tonetti MS. Severe periodontitis is associated with systemic inflammation and a dysmetabolic status: a case–control study. J Clin Periodontol 2007; 34:931-7. [PMID: 17877746 DOI: 10.1111/j.1600-051x.2007.01133.x] [Citation(s) in RCA: 167] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND AIM A cluster of metabolic factors defines a syndrome that predisposes to diabetes and cardiovascular disease. Chronic infections such as periodontitis might alter these individual metabolic factors and the systemic inflammatory burden. The aim of this study was to investigate the association between severe periodontitis and increase in inflammatory and metabolic risk factors for cardiovascular disease. MATERIALS AND METHODS We examined 302 patients with severe periodontitis and 183 healthy controls, and we collected a blood sample from each subject in order to investigate differences in inflammatory (leukocyte numbers and differential counts) and metabolic markers (lipids and glucose). RESULTS After correcting for differences in age, gender, smoking and ethnicity, periodontitis subjects exhibited a low-grade systemic inflammation (increased white cell counts, 1.10+/-1.02 x 10(9)/l, 95%CI 1.05-1.15, p=0.0001), dyslipidemia [lower high-density lipoprotein cholesterol, 1.14+/-1.03 mmol/l, 95%CI 1.08-1.20, p<0.0001 and higher low-density lipoprotein cholesterol, 1.12+/-1.03, 95%CI 1.05-1.19, p<0.0001) and increased non-fasting serum glucose levels (1.04+/-1.01 mmol/l, 95%CI 1.02-1.06, p=0.01) when compared with controls. The associations were confirmed in a subpopulation of Caucasian non-smokers. A trend for a dose dependent effect of the number of periodontal pockets on the tested inflammatory and metabolic markers was observed. CONCLUSIONS These data suggest a possible link between severe generalized periodontitis, systemic inflammation and a dysmetabolic state in otherwise healthy individuals.
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Affiliation(s)
- Luigi Nibali
- Periodontology Unit, Eastman Dental Institute and Hospital, University College London, London, UK.
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34
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Dimitrijević O, Stojcevski BD, Ignjatović S, Singh NM. Serial measurements of C-reactive protein after acute myocardial infarction in predicting one-year outcome. Int Heart J 2007; 47:833-42. [PMID: 17268118 DOI: 10.1536/ihj.47.833] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Systemic markers of inflammation are considered reliable predictors of future coronary events in patients with acute myocardial infarction (AMI). The aim of this study was to evaluate the prognostic relevance of serial C-reactive protein (CRP) measurements in patients with ST-elevation AMI (STEMI) on one-year outcome. In 31 patients with STEMI, serial measurements of CRP were obtained, and for each patient, the following values were determined: (i) values at admission, up to 12 hours after symptom onset, (ii) maximal values obtained 24-72 hours after symptom onset (early acute values), and (iii) late acute values (96-120 hours after symptom onset). The combined endpoint was any new cardiovascular event, including death. Early and late acute CRP levels were the only parameters found to be significantly higher in patients with an adverse outcome than in patients with a good outcome. A significantly higher rate of endpoint events was found in patients with elevated early (Hazard ratio [HR] 5.54, 95%CI 2.05-25.40; P = 0.007) and late acute CRP (HR 9.01, 95% CI 1.66-19.56; P = 0.005). Multiple logistic regression analysis identified only early acute CRP as an independent predictor of an unfavorable outcome (Odds ratio 8.00, 95%CI 1.15-55.60; P = 0.04), after adjustment for established risk factors. CRP level measured 24-72 hours after symptom onset is an independent predictor of one-year outcome in patients with STEMI. Values obtained later in the setting of STEMI do not add further prognostic information. CRP at admission is not related to long-term prognosis.
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35
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Maron BJ. Controversies in cardiovascular medicine. Surgical myectomy remains the primary treatment option for severely symptomatic patients with obstructive hypertrophic cardiomyopathy. Circulation 2007; 116:196-206; discussion 206. [PMID: 17620519 DOI: 10.1161/circulationaha.107.691378] [Citation(s) in RCA: 133] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Barry J Maron
- Minneapolis Heart Institute Foundation, 920 E 28th St, Ste 60, Minneapolis, MN 55407, USA.
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36
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Ruef J, März W, Winkelmann BR. Markers for endothelial dysfunction, but not markers for oxidative stress correlate with classical risk factors and the severity of coronary artery disease. (A subgroup analysis from the Ludwigshafen Risk and Cardiovascular Health Study). SCAND CARDIOVASC J 2007; 40:274-9. [PMID: 17012137 DOI: 10.1080/14017430600925300] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVE Endothelial dysfunction and oxidative stress are involved in atherogenesis. In the search for predictors of vascular disease markers for endothelial dysfunction and oxidative stress were analyzed. METHODS Of 208 consecutive patients 22% were controls (CO) without coronary artery disease (CAD), 52% presented with stable angina (SAP) and 26% had acute coronary syndromes (ACS). Nitric oxide (NO), thrombomodulin (TM), von Willebrand factor (vW), sVCAM-1, sICAM-1, sP-selectin, sE-selectin, sL-selectin and C-reactive protein (CRP) were determined as markers for endothelial dysfunction, glutathione (GSH), glutathione peroxidase (Gpx), myeloperoxidase (Mpx), lipid peroxides (Lpx), 8-isoprostane (Iso), superoxide dismutase (SOD), total antioxidant capacity (TAC) and homocysteine (Hc) as markers for oxidative stress. RESULTS The increases of TM, vW, sVCAM-1, CRP, SOD and Mpx correlated with the CAD status in the order CO < SAP < ACS, whereas NO and sL-selectin were inversely correlated (p < 0.05, resp.). The other markers remained unchanged. For several markers a significant relationship to risk factors was detected. CONCLUSIONS Markers for endothelial dysfunction rather than those for oxidative stress may serve as indicators for the presence and severity of CAD.
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Affiliation(s)
- Johannes Ruef
- Red Cross Hospital Cardiology Center, Frankfurt, Germany.
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37
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Affiliation(s)
- John E Deanfield
- Vascular Physiology Unit, UCL Institute of Child Health, London, UK.
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De Chiara B, Mafrici A, Campolo J, Famoso G, Sedda V, Parolini M, Cighetti G, Lualdi A, Fiorentini C, Parodi O. Low plasma glutathione levels after reperfused acute myocardial infarction are associated with late cardiac events. Coron Artery Dis 2007; 18:77-82. [PMID: 17301597 DOI: 10.1097/01.mca.0000236294.32672.26] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To clarify whether an altered redox state persists in the subacute phase of myocardial infarction and if specific redox patterns are associated with later cardiac events. METHODS Ninety-seven patients [80 men, median 63 (interquartile range, 53, 69) years] with a first acute myocardial infarction, with (53%) or without ST segment elevation, treated with successful percutaneous interventions, were tested at 5-6 days after admission for plasma alpha-tocopherol, ascorbic acid, total and reduced homocysteine, cysteine, glutathione, cysteinylglycine and blood-reduced glutathione, all assessed by high-pressure liquid chromatography. Free malondialdehyde was evaluated by gas chromatography. A subgroup of 14 patients had adjunctive blood samples within 1 h and at 72 h after angioplasty. Blood samples from 44 patients matched for age, sex, and risk factors served as controls. Patients were followed up for median 15 (interquartile range, 9, 17) months for cardiac events. RESULTS All plasma-reduced aminothiols, vitamins and plasma total glutathione were significantly lower in myocardial infarction at 5-6 days than in controls. In the 14 myocardial infarction patients sampled repeatedly, plasma-reduced glutathione, cysteinylglycine, total glutathione, and alpha-tocopherol significantly decreased, whereas blood-reduced glutathione, total homocysteine, and cysteine significantly increased over time. During follow-up, 20 of 97 (21%) patients had adverse cardiac events. Multivariate analysis revealed that only plasma-reduced glutathione was independently associated with events (hazard ratio 0.42, 95% confidence interval 0.18-0.99, P=0.04). CONCLUSIONS Acute myocardial infarction patients have an altered redox state at 5-6 days after successful reperfusion with respect to controls. Low plasma levels of reduced glutathione at discharge are associated with cardiac events at follow-up.
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Affiliation(s)
- Benedetta De Chiara
- CNR Clinical Physiology Institute, Cardiology Department, Niguarda Ca' Granda Hospital, and Monzino Cardiology Center IRCCS, Department of Preclinic Sciences LITA Vialba, University of Milan, Milan, Italy
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Mallat Z, Benessiano J, Simon T, Ederhy S, Sebella-Arguelles C, Cohen A, Huart V, Wareham NJ, Luben R, Khaw KT, Tedgui A, Boekholdt SM. Circulating secretory phospholipase A2 activity and risk of incident coronary events in healthy men and women: the EPIC-Norfolk study. Arterioscler Thromb Vasc Biol 2007; 27:1177-83. [PMID: 17303774 DOI: 10.1161/atvbaha.107.139352] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To assess the association between secretory phospholipase A2 (sPLA2) activity, which encompasses several types of sPLA2, and cardiovascular disease (CAD) in healthy individuals. METHODS AND RESULTS We investigated this association in a nested case-control study among the 25,663 participants in EPIC-Norfolk cohort. Cases (n=991) were subjects in whom CAD developed during the 6 years of mean follow-up. Controls (n=1806) matched by age, sex, and enrollment time remained free of any CAD during follow-up. The risk of incident CAD was associated with increasing quartiles of sPLA2 activity (P<0.001). After adjustment for risk factors, C-reactive protein and sPLA2 type IIA concentration, the odds ratios of incident CAD in the second, third, and fourth quartiles of sPLA2 activity were 1.41, 1.33, and 1.56 (P=0.003), compared with the lowest quartile. sPLA2 activity and CRP were poorly correlated (r=0.15), and their combined values were more informative for incident risk of CAD than either biomarker alone. Subjects in the highest quartiles of sPLA2 activity and CRP had an adjusted odds ratio of 2.89 (95% confidence interval, 1.78 to 4.68; P<0.001) for CAD compared with those with the lowest quartiles of both markers. CONCLUSIONS Measurement of serum sPLA2 activity provides additive prognostic value to traditional risk factors and CRP levels, and identifies a subgroup of individuals at high risk for incident CAD. Measurement of sPLA2 type II concentration had little added prognostic utility.
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Affiliation(s)
- Ziad Mallat
- Inserm U689, Centre de Recherche Cardiovasculaire Lariboisière, Paris, France.
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Peeters ACTM, van Aken BE, Blom HJ, Reitsma PH, den Heijer M. The effect of homocysteine reduction by B-vitamin supplementation on inflammatory markers. Clin Chem Lab Med 2007; 45:54-8. [PMID: 17243915 DOI: 10.1515/cclm.2007.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Hyperhomocysteinemia has been associated with vascular disease in many epidemiological studies. However, the pathophysiology is unclear. It is postulated that increased levels of homocysteine induce an inflammatory response in endothelial cells, mediated by pro-inflammatory cytokines and chemokines. The aim of this study was to investigate whether plasma concentrations of interleukin-6, interleukin-8, C-reactive protein, and monocyte chemoattractant protein-1 are increased with higher plasma homocysteine concentrations and whether decreasing homocysteine by vitamin supplementation decreases the concentration of these markers. METHODS Plasma homocysteine, interleukin-6, interleukin-8, C-reactive protein, and monocyte chemoattractant protein-1 concentrations were measured in 230 volunteers before and after 8 weeks of multivitamin supplementation (folic acid, B(6), and B(12)). RESULTS At baseline, plasma homocysteine concentration was weakly associated with interleukin-8, but not with interleukin-6, C-reactive protein or monocyte chemoattractant protein-1. Vitamin supplementation resulted in a significant decrease in homocysteine concentration, but no effect on interleukin-6, interleukin-8, C-reactive protein or monocyte chemoattractant protein-1 was observed. CONCLUSIONS At baseline homocysteine was only weakly correlated with interleukin-8, but not with interleukin-6, C-reactive protein or monocyte chemoattractant protein-1. Vitamin supplementation affected homocysteine concentration, but not cytokine levels. The hypothesis that hyperhomocysteinemia increases arteriosclerotic or thrombotic risk through vascular inflammation was not supported by this study.
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Affiliation(s)
- Anita C T M Peeters
- Department of Endocrinology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
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Zalba G, Fortuño A, Orbe J, San José G, Moreno MU, Belzunce M, Rodríguez JA, Beloqui O, Páramo JA, Díez J. Phagocytic NADPH oxidase-dependent superoxide production stimulates matrix metalloproteinase-9: implications for human atherosclerosis. Arterioscler Thromb Vasc Biol 2006; 27:587-93. [PMID: 17194891 DOI: 10.1161/01.atv.0000256467.25384.c6] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Data suggest that matrix metalloproteinase-9 (MMP-9) has a role in atherosclerosis. The phagocytic NADPH oxidase has been also associated with atherosclerosis. This study aimed to investigate the association between phagocytic NADPH oxidase and MMP-9 in human atherosclerosis. METHODS AND RESULTS In vitro experiments performed in human monocytes showed that NADPH oxidase activation enhanced MMP-9 secretion and activity, determined by enzyme-linked immunosorbent assay and zymography, respectively. Immunohistochemical study showed that phagocytic NADPH oxidase localized with MMP-9 in endarterectomies from patients with carotid stenosis. In addition, a positive relationship (P<0.001) was found between phagocytic NADPH oxidase-dependent superoxide production determined with lucigenin and plasma MMP-9 levels in 188 asymptomatic subjects free of overt clinical atherosclerosis. In multivariate analysis, this association remained significant after adjustment for cardiovascular risk factors. Interestingly, subjects in the upper quartile of superoxide production exhibited the highest values of MMP-9, oxidized low-density lipoprotein, nitrotyrosine, carotid intima media thickness, and an increased presence of carotid plaques. CONCLUSIONS Enhanced NADPH oxidase-dependent *O2(-) production stimulates MMP-9 in monocytes and this relationship may be relevant in the atherosclerotic process. Moreover, MMP-9 emerges as an important mediator of the phagocytic NADPH oxidase-dependent oxidative stress in atherosclerosis.
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Affiliation(s)
- Guillermo Zalba
- Division of Cardiovascular Sciences, Centre for Applied Medical Research, University Clinic, School of Medicine, University of Navarra, Pamplona, Spain.
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Sianos G, Papafaklis MI, Vourvouri EC, Ligthart JT, Baks T, Ten Cate FJ, Serruys PW. Hypertrophic Obstructive Cardiomyopathy. Circulation 2006; 114:e553-5. [PMID: 17060391 DOI: 10.1161/circulationaha.106.631689] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Georgios Sianos
- Department of Cardiology, Thoraxcenter, Erasmus Medical Center, Dr Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands.
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Salpeter SR, Walsh JME, Ormiston TM, Greyber E, Buckley NS, Salpeter EE. Meta-analysis: effect of hormone-replacement therapy on components of the metabolic syndrome in postmenopausal women. Diabetes Obes Metab 2006; 8:538-54. [PMID: 16918589 DOI: 10.1111/j.1463-1326.2005.00545.x] [Citation(s) in RCA: 394] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
AIM To quantify the effects of hormone-replacement therapy (HRT) on components of the metabolic syndrome in postmenopausal women. METHODS Comprehensive searches of electronic databases were performed from April 1966 to October 2004. We included randomized controlled trials that were of at least 8 weeks duration and evaluated the effect of HRT on metabolic, inflammatory or thrombotic components. Insulin resistance was calculated by homeostasis model assessment (HOMA-IR). Subgroup analysis evaluated the effects for transdermal and oral treatment and for diabetic and non-diabetic women. RESULTS Pooled results of 107 trials showed that HRT reduced abdominal fat [-6.8% (CI, -11.8 to -1.9%)], HOMA-IR [-12.9% (CI, -17.1 to -8.6%)] and new-onset diabetes [relative risk 0.7 (CI, 0.6-0.9)] in women without diabetes. In women with diabetes, HRT reduced fasting glucose [-11.5% (CI, -18.0 to -5.1%)] and HOMA-IR [-35.8% (CI, -51.7 to -19.8%)]. HRT also reduced low-density lipoprotein/high-density lipoprotein cholesterol ratio [-15.7% (CI, -18.0 to -13.5%)], lipoprotein(a) [Lp(a)] [-25.0% [CI, -32.9 to -17.1%)], mean blood pressure [-1.7% (CI, -2.9 to -0.5%)], E-selectin [-17.3% (CI, -22.4 to -12.1%)], fibrinogen [-5.5% (CI, -7.8 to -3.2%)] and plasminogen activator inhibitor-1 [-25.1% (CI, -33.6 to -15.5%)]. Oral agents produced larger beneficial effects than transdermal agents, but increased C-reactive protein (CRP) [37.6% (CI, 17.4-61.3%)] and decreased protein S [-8.6% CI, -13.1 to -4.1%)], while transdermal agents had no effect. CONCLUSIONS HRT reduces abdominal obesity, insulin resistance, new-onset diabetes, lipids, blood pressure, adhesion molecules and procoagulant factors in women without diabetes and reduced insulin resistance and fasting glucose in women with diabetes. Oral agents adversely affected CRP and protein S, while transdermal agents had no effects.
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Affiliation(s)
- S R Salpeter
- Stanford University School of Medicine, Stanford, CA, USA.
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Crandall C, Palla S, Reboussin B, Hu P, Barrett-Connor E, Reuben D, Greendale G. Cross-sectional association between markers of inflammation and serum sex steroid levels in the postmenopausal estrogen/progestin interventions trial. J Womens Health (Larchmt) 2006; 15:14-23. [PMID: 16417414 DOI: 10.1089/jwh.2006.15.14] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Standard risk factors do not adequately capture cardiovascular risk in postmenopausal women. We sought to determine the associations between levels of sex steroids and levels of inflammatory markers in postmenopausal women. METHODS We analyzed baseline data from a subset of postmenopausal women aged 45-64 years who had stored samples during a randomized controlled trial. We measured levels of C-reactive protein (CRP), interleukin-6 (IL-6), matrix metalloproteinase-9 (MMP-9), soluble intercellular adhesion molecule (sICAM), and circulating sex steroids. Multiple linear regression models were created with each of the following hormone levels as the primary exposure variable: estrone, total estradiol, bioavailable estradiol, total testosterone, bioavailable testosterone, progesterone, and sex hormone-binding globulin (SHBG). Sociodemographic and lifestyle covariates were derived from standardized self-report questionnaires and direct measurement (weight, height). RESULTS Mean age of the 623 women was 56 years. After adjustment for age, body mass index (BMI), physical activity, alcohol consumption, and smoking, the bioavailable testosterone level (p = 0.03) was positively and the SHBG level (p < 0.001) was negatively associated with the logCRP level. The increment in CRP level between the highest and lowest quartile of bioavailable testosterone was 1.28 microg/mL. The increment in CRP level between the lowest and highest quartile of SHBG was 2.62 microg/mL. Compared with SHBG or bioavailable testosterone as predictors of logCRP in separate regression models, when both SHBG and bioavailable testosterone were included in the same multivariate linear regression model, only SHBG remained a statistically significant predictor of logCRP. Progesterone level was positively associated with the logMMP-9 level (p < 0.001); no other sex steroid level was associated with the logMMP-9 level. In multiply adjusted models, no association was found between levels of any sex steroid and IL-6 or sICAM level.
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Affiliation(s)
- C Crandall
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, California 90024, USA.
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Wilcken DEL, Wang J, Sim AS, Green K, Wilcken B. Asymmetric dimethylarginine in homocystinuria due to cystathionine beta-synthase deficiency: relevance of renal function. J Inherit Metab Dis 2006; 29:30-7. [PMID: 16601865 DOI: 10.1007/s10545-006-0208-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2005] [Accepted: 12/02/2005] [Indexed: 11/24/2022]
Abstract
OBJECTIVE Vascular disease is associated with increased plasma asymmetric dimethylarginine (ADMA) and homocysteine, and both are increased in renal failure. In cystathionine beta-synthase deficiency (CBS) there is severe hyperhomocysteinaemia, precocious vascular disease, and endothelial dysfunction. We investigated whether ADMA levels are elevated in CBS patients with and without renal impairment, and whether lowering plasma homocysteine also lowers ADMA. METHODS We measured plasma homocysteine, arginine, asymmetric and symmetric dimethylarginines, nitrate + nitrite, creatinine and cystatin C in 23 CBS-deficient patients and 24 age-matched controls. RESULTS In the patients, nitrate + nitrite and the ratio L: -arginine/ADMA were markedly reduced (21.6 +/- 6.1 vs 57.7 +/- 7.5 micromol/L and 132.9 +/- 24.7 vs 181.9 +/- 56.1, respectively, p < 0.001 for both), reflecting endothelial dysfunction. Plasma ADMA for the group was moderately increased (0.55 +/- 0.08 vs 0.49 +/- 0.07 micromol/L, p = 0.018), but this was due to significantly higher levels than controls in only those 7 of the 23 patients who had elevated cystatin C levels (0.59 +/- 0.08 vs 0.49 +/- 0.07 mg/L, p = 0.007). Posttreatment total homocysteine in patients varied widely (15-285, median 92 micromol/L), but was not correlated with ADMA or other measured variables. In three newly-diagnosed patients, marked reduction of total homocysteine during treatment produced minimal changes in ADMA. CONCLUSIONS ADMA levels were significantly increased only in the CBS-deficient patients with elevated cystatin C levels, and not in those with normal renal function. The reported relationship between hyperhomocysteinaemia and ADMA may not be direct, but could be secondary to reduced renal function.
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Abstract
This literature review summarizes current knowledge on the systemic levels of selected markers of inflammation in periodontitis. From samples of peripheral blood the following cellular factors are discussed: total number of white blood cells, red blood cells, and thrombocytes. Further, plasma levels of acute-phase proteins, cytokines, and coagulation factors are reviewed. From the available literature it appears that the total numbers of leukocytes and plasma levels of C-reactive protein are consistently higher in periodontitis patients compared to healthy controls. Numbers of red blood cells and levels of hemoglobin are lower in periodontitis and there is a trend towards anemia of chronic disease. Most systemic markers of inflammation discussed in this review are also regarded as predictive markers for cardiovascular diseases. Therefore, changes in these markers in periodontitis may be part of the explanation why periodontitis is associated with cardiovascular diseases and/or cerebrovascular events in epidemiological studies. It is hypothesized that possibly daily episodes of a bacteremia originating from periodontal lesions are the cause for the changes in systemic markers in periodontitis; the cumulative size of all periodontal lesions in the untreated severe patient may amount to 15 to 20 cm2.
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Affiliation(s)
- Bruno G Loos
- Department of Periodontology, Academic Center for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije University, Amsterdam, The Netherlands.
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Tabibiazar R, Wagner RA, Deng A, Tsao PS, Quertermous T. Proteomic profiles of serum inflammatory markers accurately predict atherosclerosis in mice. Physiol Genomics 2006; 25:194-202. [PMID: 16418319 DOI: 10.1152/physiolgenomics.00240.2005] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
At a population level, inflammatory markers have been shown to predict outcome and response to therapy in patients with atherosclerotic cardiovascular disease. However, current markers are not sufficiently sensitive or specific to provide clinical utility for managing individual patients. We hypothesize that measurement of multiple circulating disease-related inflammatory factors will be more informative, allowing the early identification of vascular wall disease activity. We have investigated whether protein microarray-based abundance measurements of circulating proteins can predict the severity of atherosclerotic disease. Using a longitudinal experimental design with apolipoprotein E-deficient mice and control C57Bl/6J and C3H/HeJ wild-type mice, we measured the time-related serum protein expression of 30 inflammatory markers using a protein microarray. We were able to identify a subset of proteins that classify and predict the severity of atherosclerotic disease with a high level of accuracy. The time-specific vascular expression of these markers was verified by showing that their gene expression in the mouse aorta correlated closely to the temporal pattern of serum protein levels. In conclusion, these data suggest that quantification of multiple disease-related inflammatory proteins can provide a more sensitive and specific methodology for assessing atherosclerotic disease activity in humans, and identify candidate biomarkers for such studies.
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Affiliation(s)
- Raymond Tabibiazar
- Donald W. Reynolds Cardiovascular Clinical Research Center, Division of Cardiovascular Medicine, Stanford University, Stanford, California, USA.
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Yasue H, Hirai N, Mizuno Y, Harada E, Itoh T, Yoshimura M, Kugiyama K, Ogawa H. Low-Grade Inflammation, Thrombogenicity, and Atherogenic Lipid Profile in Cigarette Smokers. Circ J 2006; 70:8-13. [PMID: 16377917 DOI: 10.1253/circj.70.8] [Citation(s) in RCA: 78] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Cigarette smoking is one of the major risk factors for atherosclerotic coronary disease, but the precise mechanism(s) by which cigarette smoking promotes atherosclerosis remains unknown. As there is now increasing evidence that atherosclerosis is an inflammatory condition, the present study investigated whether inflammation exists in smokers. METHODS AND RESULTS The inflammatory markers and lipid profiles were compared among a current-smoker group (210 patients, mean age 61.8 +/- 11.0 years), past-smoker group (115 patients, 67.1 +/- 9.0 years) and never-smoked group (113 patients, 68.2 +/- 10.7 years), all of whom had no apparent signs of inflammation. The respective levels of blood leukocytes, platelets, C-reactive protein and fibrinogen were significantly higher in current-smokers than in the never-smoked group (6,600 +/- 1,723 /microl vs 5,638 +/- 1,313 /microl p<0.01; 22.7 +/- 6.8 x 10(4) /microl vs 18.7 +/- 7.4 x 10(4) /microl, p<0.01; 3.50+/-4.91 mg/L vs 1.92+/-3.02 mg/L, p<0.01; 334.2 +/- 90.9 mg/dl vs 314.7 +/- 80.2 mg/dl, p<0.05). The respective levels of plasma triglycerides, remnant-like particle cholesterol and apolipoprotein-B were significantly higher and that of high-density lipoprotein cholesterol significantly lower in the current-smokers than in the never-smoked group (152.4 +/- 96.2 mg/dl vs 120.5 +/- 58.1 mg/dl, p<0.01; 5.4+/-6.3 mg/dl vs 3.8 +/- 2.0 mg/dl, p<0.05; 101.6 +/- 23.7 mg/dl vs 95.0 +/- 21.2 mg/dl, p<0.05; 45.2 +/- 12.3 mg/dl vs 50.6 +/- 15.6 mg/dl, p<0.01). Past smokers had intermediate values between those of current-smokers and never-smoked. CONCLUSIONS Low-grade inflammation, atherogenic dyslipidemia, and hypercoagulability are present in smokers compared with those who have never smoked among subjects without apparent inflammation who underwent coronary angiography on suspicion of coronary artery disease.
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Affiliation(s)
- Hirofumi Yasue
- Division of Cardiology, Kumamoto Kinou Hospital, Kumamoto Aging Research Institute, Japan.
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Klipstein-Grobusch K, Möhlig M, Spranger J, Hoffmann K, Rodrigues FUS, Sharma AM, Klaus S, Pfeiffer AFH, Boeing H. Interleukin-6 g.-174G>C promoter polymorphism is associated with obesity in the EPIC-Potsdam Study. Obesity (Silver Spring) 2006; 14:14-8. [PMID: 16493118 DOI: 10.1038/oby.2006.3] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Homozygosity for the interleukin-6 (IL-6) g.-174G>C promoter polymorphism has recently been associated with indices of overweight. Homozygous subjects were observed to have reduced energy expenditure, suggesting that lower IL-6 gene transcription, caused by the IL-6 g.-174G>C promoter polymorphism, may be associated with obesity. The aim of this study was to investigate the association of this polymorphism with long-term weight gain. For 334 normal weight (20 < BMI < or = 25 kg/m2) and 334 obese (BMI > 30 kg/m2) subjects matched by age and sex originating from the population-based EPIC-Potsdam Study, recalled weight change from age 25 to study enrollment was determined, the IL-6 g.-174G>C promoter polymorphism was defined, and plasma concentrations of IL-6 and C-reactive protein were measured. The IL-6 g.-174G>C promoter polymorphism was significantly associated with obesity (chi2 = 7,34, p = 0.026). Odds ratios for subjects with GC and CC genotypes for obesity were 1.19 (95% CI: 0.84 to 1.68; p = 0.323) and 1.91 (95% CI: 1.19 to 3.08; p = 0.007), respectively. Recalled weight change from age 25 years to study enrollment differed significantly according to genotype (p = 0.044) and was most pronounced in subjects with the CC genotype, suggesting that the IL-6 g.-174G>C promoter polymorphism is a susceptibility or modifying locus for common obesity and weight gain.
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Abstract
The metabolic syndrome, which is very common in the general population, is defined by the clustering of several classic cardiovascular risk factors, such as type 2 diabetes, hypertension, high triglycerides and low high-density lipoprotein cholesterol (HDL). Central obesity and insulin resistance, which are the two underlying disorders of the syndrome, are further risk factors for cardiovascular disease. Moreover, a panel of novel (non-traditional) risk factors are ancillary features of the metabolic syndrome. They include biomarkers of chronic mild inflammation (e.g. C-reactive protein, CRP), increased oxidant stress (e.g. oxidized low density lipoprotein, LDL), thrombophilia (e.g. plasminogen activator inhibitor-1, PAI-1) and endothelial dysfunction (e.g. E-selectin). Therefore, subjects with the metabolic syndrome are potentially at high risk of developing atherosclerosis and clinical cardiovascular events.In recent years several longitudinal studies have confirmed that subjects with the metabolic syndrome present with atherosclerosis and suffer from myocardial infarction and stroke at rates higher than subjects without the syndrome. The risk of cardiovascular disease (CVD) is particularly high in women with the syndrome and in subjects with pre-existing diabetes, CVD and/or high CRP. However, an increased risk is already present in subjects with a cluster of multiple mild abnormalities. The risk related to the metabolic syndrome is definitely higher when subjects affected are compared to subjects free of any metabolic abnormality.
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Affiliation(s)
- Enzo Bonora
- Department of Endocrinology and Metabolic Diseases, University of Verona Medical School, Verona, Italy.
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