1
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Anderson MR, Kim JS, Podolanczuk A, Ding J, Al‐Naamani N, Allison M, Christie J, Diamond J. Nonlinear associations between computed tomography-measures of adiposity and long pentraxin-3 in the Multi-Ethnic Study of Atherosclerosis. Obes Sci Pract 2024; 10:e708. [PMID: 38263991 PMCID: PMC10804353 DOI: 10.1002/osp4.708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 08/03/2023] [Accepted: 08/25/2023] [Indexed: 01/25/2024] Open
Abstract
Objective Long pentraxin-3 (PTX-3) is an acute phase protein associated with cardiovascular disease, lung injury, and mortality. We evaluated the association between computed tomography (CT)-measurements of adipose tissue and plasma levels of PTX-3. Methods We performed a cross-sectional analysis of community-dwelling adults enrolled in the multi-center Multiethnic Study of Atherosclerosis who underwent cardiac or abdominal CT and had available PTX-3 measurements. Results There was a U-shaped association between pericardial adipose tissue volume (PAT), abdominal visceral adipose tissue area (VAT), hepatic attenuation, and PTX-3 levels, with extremes of adiposity associated with greater PTX-3 levels. Using multivariable-adjusted piecewise regression models, among participants with low PAT, every 1% increase in PAT volume was associated with a 13.8% decrease in PTX-3 (95% confidence interval [CI] -21.6 to -6.0); among participants with high PAT, every 1% increase in PAT volume was associated with a 6.0% increase in PTX-3 (95% CI -0.4 to 12.5). Results were similar for abdominal VAT and hepatic attenuation. Conclusions In a cohort of community-dwelling adults, we demonstrated a "U-shaped" association between pericardial, abdominal visceral, and hepatic adiposity with PTX3 levels, suggesting that extreme adiposity is associated with greater circulating levels of PTX3. Further work is required to identify the mechanisms linking adiposity and PTX-3.
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Affiliation(s)
| | - John S. Kim
- Department of MedicineUniversity of VirginiaCharlottesvilleVirginiaUSA
| | - Anna Podolanczuk
- Department of MedicineWeill Cornell Medical CollegeNew YorkNew YorkUSA
| | - Jingzhong Ding
- Department of Epidemiology and PreventionWake Forest UniversityWinston‐SalemNorth CarolinaUSA
- Department of Gerontology and Geriatric ScienceWake Forest UniversityWinston‐SalemNorth CarolinaUSA
| | - Nadine Al‐Naamani
- Department of MedicineUniversity of PennsylvaniaPhiladelphiaPennsylvaniaUSA
| | - Matthew Allison
- Department of Preventive MedicineUniversity of California San DiegoSan DiegoCaliforniaUSA
| | - Jason Christie
- Department of MedicineUniversity of PennsylvaniaPhiladelphiaPennsylvaniaUSA
| | - Joshua Diamond
- Department of MedicineUniversity of PennsylvaniaPhiladelphiaPennsylvaniaUSA
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2
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Moulana Z, Bagherzadeh M, Mirzakhani M, Rostami A, Mohammadnia-Afrouzi M, Shahbazi M. Increased Levels of serum Pentraxin 3 in Critical Coronavirus Disease-2019 Patients. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:85569-85573. [PMID: 34212320 PMCID: PMC8248285 DOI: 10.1007/s11356-021-15183-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 06/24/2021] [Indexed: 05/28/2023]
Abstract
Pentraxin 3 (PTX3) and ficolin are the plasma phase of pattern recognition receptors (PRRs) and can activate complement through classical and lectin pathways, respectively, which may contribute to disease severity. This study aimed to investigate the association between PTX3 and ficolin with disease severity in patients with coronavirus disease-2019 (COVID-19). Seventy-three COVID-19 patients and 25 healthy controls were enrolled in this study. The participants were divided into three groups as follows: 14 patients as the intensive care unit (ICU) group, 59 patients as the non-ICU group, and 25 subjects as the healthy control group. The serum levels of PTX3 and ficolin were measured by enzyme-linked immunosorbent assay (ELISA) kits. Patients in ICU and non-ICU groups had significantly higher levels of PTX3 compared to the healthy control group (p = 0.0002 and p = 0.0072, respectively). Patients in the ICU group also had an increased amount of PTX3 (1957 ± 1769 pg/ml) compared to non-ICU patients (1220 ± 1784 pg/ml). However, this difference was not significant. On the other hand, serum levels of ficolin were not different among the three groups. PTX3, as an acute phase protein, may contribute to disease severity. Its probable inflammatory role could result from the high activation of the complement system. On the other hand, it could be suggested that ficolin has no crucial role in the disease severity of COVID-19 patients.
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Affiliation(s)
- Zahra Moulana
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Mojgan Bagherzadeh
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Mohammad Mirzakhani
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Ali Rostami
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Mousa Mohammadnia-Afrouzi
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
- Infectious Diseases and Tropical Medicine Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Mehdi Shahbazi
- Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
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3
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Jaworski R, Dzierzanowska-Fangrat K, Grzywa-Czuba R, Kansy A. Postoperative kinetics of pentraxin 3 (PTX3) after congenital heart surgery with cardiopulmonary bypass in pediatric patients. Perioper Med (Lond) 2022; 11:35. [PMID: 35989325 PMCID: PMC9394006 DOI: 10.1186/s13741-022-00269-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 05/30/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Pentraxins are inflammatory proteins and markers of acute-phase responses. They are divided into short and long subgroups based on the length of the N-terminal region. The most studied short pentraxin is the C-reactive protein (CRP), which is known to be expressed in various inflammatory conditions, including surgical procedures. On the other hand, much less is known about the kinetics of long pentraxin 3 (PTX3) in surgical patients, especially in the pediatric population.
The aim of this prospective study was to determine the early postoperative kinetics of PTX3 in relation to procalcitonin (PCT) and CRP levels in children undergoing congenital heart surgery with cardiopulmonary bypass (CPB).
Methods
A total of 21 children (9 boys and 12 girls, mean age 12 months) were included in the study. Blood samples for determination of CRP, PCT, and PTX3 levels were collected before the surgery and then immediately after its completion (postoperative day 0, POD 0) and subsequently at POD 1, 2, and 3.
Results
Serum PTX3 concentrations increased significantly between POD 0 and POD 1 (mean values were 12.2 and 72.4 ng/ml, respectively, p<0.001), decreased between POD 1 and POD 2 (mean values were 72.4 and 23.6 ng/ml, respectively, p<0.001), and normalized on POD 3 (the mean value was 1.2 ng/ml).
Conclusions
PTX3 concentrations are markedly elevated during the first postoperative day. Under normal circumstances, PTX3 rises and falls quickly, and its second rise in the early postoperative period may be abnormal, however, further studies are necessary.
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4
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Adam CA, Șalaru DL, Prisacariu C, Marcu DTM, Sascău RA, Stătescu C. Novel Biomarkers of Atherosclerotic Vascular Disease-Latest Insights in the Research Field. Int J Mol Sci 2022; 23:ijms23094998. [PMID: 35563387 PMCID: PMC9103799 DOI: 10.3390/ijms23094998] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 02/06/2023] Open
Abstract
The atherosclerotic vascular disease is a cardiovascular continuum in which the main role is attributed to atherosclerosis, from its appearance to its associated complications. The increasing prevalence of cardiovascular risk factors, population ageing, and burden on both the economy and the healthcare system have led to the development of new diagnostic and therapeutic strategies in the field. The better understanding or discovery of new pathophysiological mechanisms and molecules modulating various signaling pathways involved in atherosclerosis have led to the development of potential new biomarkers, with key role in early, subclinical diagnosis. The evolution of technological processes in medicine has shifted the attention of researchers from the profiling of classical risk factors to the identification of new biomarkers such as midregional pro-adrenomedullin, midkine, stromelysin-2, pentraxin 3, inflammasomes, or endothelial cell-derived extracellular vesicles. These molecules are seen as future therapeutic targets associated with decreased morbidity and mortality through early diagnosis of atherosclerotic lesions and future research directions.
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Affiliation(s)
- Cristina Andreea Adam
- Institute of Cardiovascular Diseases “Prof. Dr. George I.M. Georgescu”, 700503 Iași, Romania; (C.A.A.); (C.P.); (R.A.S.); (C.S.)
| | - Delia Lidia Șalaru
- Institute of Cardiovascular Diseases “Prof. Dr. George I.M. Georgescu”, 700503 Iași, Romania; (C.A.A.); (C.P.); (R.A.S.); (C.S.)
- Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iași, Romania;
- Correspondence:
| | - Cristina Prisacariu
- Institute of Cardiovascular Diseases “Prof. Dr. George I.M. Georgescu”, 700503 Iași, Romania; (C.A.A.); (C.P.); (R.A.S.); (C.S.)
- Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iași, Romania;
| | - Dragoș Traian Marius Marcu
- Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iași, Romania;
| | - Radu Andy Sascău
- Institute of Cardiovascular Diseases “Prof. Dr. George I.M. Georgescu”, 700503 Iași, Romania; (C.A.A.); (C.P.); (R.A.S.); (C.S.)
- Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iași, Romania;
| | - Cristian Stătescu
- Institute of Cardiovascular Diseases “Prof. Dr. George I.M. Georgescu”, 700503 Iași, Romania; (C.A.A.); (C.P.); (R.A.S.); (C.S.)
- Department of Internal Medicine, University of Medicine and Pharmacy “Grigore T. Popa”, 700115 Iași, Romania;
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5
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Luo S, Xu H, Yang L, Gong X, Shen J, Chen X, Wu Z. Quantitative proteomics analysis of human vitreous in rhegmatogenous retinal detachment associated with choroidal detachment by data-independent acquisition mass spectrometry. Mol Cell Biochem 2022; 477:1849-1863. [PMID: 35332395 DOI: 10.1007/s11010-022-04409-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 03/10/2022] [Indexed: 10/18/2022]
Abstract
The prognosis of rhegmatogenous retinal detachment (RRD) with choroidal detachment (RRDCD) is often poor and complicated. This study focused on the identification of the characteristic proteins and signal pathways associated with the etiology of RRDCD and to provide guidance for diagnosis and treatment of RRDCD. In this study, vitreous humor samples were obtained from 16 RRDCD patients, 14 with RRD, 12 with idiopathic epiretinal macular membrane (IEMM), and 5 healthy controls from donated corpse eyes. Data-independent acquisition mass spectrometry and bioinformatics analysis were employed to identify differentially expressed proteins (DEPs). In the vitreous humor, 14,842 peptides were identified. Patients with RRDCD had 249 DEPs (93 upregulated and 156 downregulated), with 89 in patients with RRD and 61 in patients with IEMM. Enrichment analysis of the GO and Kyoto Encyclopedia of Genes and Genomes DEP databases indicated functional clusters related to inflammation and immunity, protein degradation and absorption, cell adhesion molecules (CAMs), the hedgehog signaling pathway, and lipid metabolism. Weighted gene co-expression network analysis showed that DEPs with positive co-expression of RRDCD participated in immune-related pathways led by the complement and coagulation cascade, whereas DEPs with negative co-expression of RRDCD participated in protein degradation and absorption, CAMs, and the hedgehog signaling pathway. In summary, our study provides important clues and the theoretical basis for exploring the pathogenesis, progression, and prognosis of ocular fundus disease.
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Affiliation(s)
- Shasha Luo
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China.,Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu Province, People's Republic of China
| | - Huiyan Xu
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China.,Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu Province, People's Republic of China
| | - Lufei Yang
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China
| | - Xuechun Gong
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China
| | - Jinyan Shen
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China
| | - Xuan Chen
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China
| | - Zhifeng Wu
- Department of Ophthalmology, Nanjing Medical University Affiliated Wuxi Second Hospital, 68 Zhongshan Road, Wuxi, 214002, Jiangsu Province, People's Republic of China. .,Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu Province, People's Republic of China.
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6
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Niu D, Huang Q, Yang F, Tian W, Li C, Ding L, Fang HC, Zhao Y. Serum biomarkers to differentiate Gram-negative, Gram-positive and fungal infection in febrile patients. J Med Microbiol 2021; 70. [PMID: 34259621 DOI: 10.1099/jmm.0.001360] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Introduction. Contamination of specimens and overuse of broad spectrum antibiotics contribute to false positives and false negatives, respectively. Therefore, useful and applicable biomarkers of bacteremia are still required.Hypothesis/Gap Statement. IL-6 can be used as a serum biomarker to discriminate among bacterial infections and fungal infections in febrile patients with a bloodstream infection.Aim. We aimed to evaluate the diagnostic efficiency of neutrophil/lymphocyte ratio (NLR), procalcitonin (PCT) and interleukin-6 (IL-6) in discriminating Gram-negative (G-) bacteria from Gram-positive (G+) bacteria and fungi in febrile patients.Methodology. A total of 567 patients with fever were evaluated. Serum levels of IL-6, PCT, NLR and CRP were compared among a G- group (n=188), a G+ group (n=168), a fungal group (n=38) and a culture negative group (n=173). Sensitivity, specificity, Yuden's index and area under the Receiver operating characteristic (ROC) curve (AUC) were obtained to analyse the diagnostic abilities of these biomarkers in discriminating bloodstream infection caused by different pathogens.Results. Serum IL-6 and PCT in the G- group increased significantly when compared with both the G+ group and fungal group (P <0.05). AUC of IL-6 (0.767, 95 % CI:0.725-0.805) is higher than AUC of PCT (0.751, 95 % CI:0.708-0.796) in discriminating the G- group from G+ group. When discriminating the G- group from fungal group, the AUC of IL-6 (0.695, 95 % CI:0.651-0.747) with a cut-off value of 464.3 pg ml-1 was also higher than the AUC of PCT (0.630, 95 % CI:0.585-0.688) with a cut-off value of 0.68 ng ml-1. Additionally, AUC of NLR (0.685, 95 % CI:0.646-0.727) in discriminating the fungal group from G+ group at the cut-off value of 9.03, was higher than AUC of IL-6, PCT and CRP.Conclusion. This study suggests that IL-6 could be used as a serum biomarker to discriminate among bacterial infections and fungal infections in febrile patients with a bloodstream infection. In addition, NLR is valuable to discriminate fungal infections from Gram-positive infections in febrile patients with a bloodstream infection.
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Affiliation(s)
- Dongguang Niu
- Gastrointestinal Surgery Department, Affiliated Hospital of Qingdao University, Hai'er road 59 Qingdao, Shandong, 266000, PR China
- Department of General Surgery, Jinling Clinical College of Nanjing Medical University, 210002, Nanjing, Jiangsu, PR China
| | - Qian Huang
- Department of General Surgery, Jinling Clinical College of Nanjing Medical University, 210002, Nanjing, Jiangsu, PR China
| | - Fan Yang
- Department of General Surgery, Jinling Clinical College of Nanjing Medical University, 210002, Nanjing, Jiangsu, PR China
| | - Weiliang Tian
- Department of General Surgery, Jinling Clinical College of Nanjing Medical University, 210002, Nanjing, Jiangsu, PR China
| | - Chen Li
- Oncology Department, Xintai people's Hospital, Tai'an, Shandong, PR China
| | - Lian'an Ding
- Gastrointestinal Surgery Department, Affiliated Hospital of Qingdao University, Hai'er road 59 Qingdao, Shandong, 266000, PR China
| | - Hong-Chun Fang
- Gastrointestinal Surgery Department, Affiliated Hospital of Qingdao University, Hai'er road 59 Qingdao, Shandong, 266000, PR China
| | - Yunzhao Zhao
- Department of General Surgery, Jinling Clinical College of Nanjing Medical University, 210002, Nanjing, Jiangsu, PR China
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7
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Sasikala T, M Manohar S, Rr Bitla A, Sarala S, Vaikkakara S. Intercellular adhesion molecule-1 is a surrogate biomarker for subclinical atherosclerosis in Type 2 diabetes mellitus. Biomark Med 2021; 15:121-132. [PMID: 33491481 DOI: 10.2217/bmm-2020-0428] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 10/19/2020] [Indexed: 11/21/2022] Open
Abstract
Aim: We aimed to investigate biomarkers of inflammation, oxidative stress as surrogate markers of subclinical atherosclerosis in patients with Type 2 diabetes mellitus (T2DM). Materials & methods: Subjects were grouped based on carotid intima media thickness (CIMT). Group 1: healthy controls (CIMT <0.57 mm); Group 2: T2DM without subclinical atherosclerosis (CIMT <0.57 mm); Group 3: T2DM with subclinical atherosclerosis (CIMT ≥0.57 mm). Results: Significantly higher MDA, Hs-CRP, Ox-LDL, PTX-3, IL-6, ICAM-1 and lower FRAP, IL-10 levels in T2DM groups compared with controls (p = 0.001). Changes were more significant in Group 3 compared with Group 2. ICAM-1 had the highest sensitivity and specificity at a cut-off value of >40.34 ng/ml compared with Ox-LDL and PTX-3 (p < 0.001). Conclusion: ICAM can be considered as an alternate surrogate biomarker of CIMT.
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Affiliation(s)
- Thallapaneni Sasikala
- Department of Biochemistry, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, 517507, India
| | - Suchitra M Manohar
- Department of Biochemistry, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, 517507, India
| | - Aparna Rr Bitla
- Department of Biochemistry, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, 517507, India
| | - S Sarala
- Department of Radiology, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, 517507, India
| | - Suresh Vaikkakara
- Department of Endocrinology & Metabolism, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, 517507, India
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8
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Melnikov IS, Kozlov SG, Saburova OS, Avtaeva YN, Prokofieva LV, Gabbasov ZA. Current Position on the Role of Monomeric C-reactive Protein in Vascular Pathology and Atherothrombosis. Curr Pharm Des 2020; 26:37-43. [PMID: 31840602 DOI: 10.2174/1381612825666191216144055] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 12/02/2019] [Indexed: 02/08/2023]
Abstract
C-reactive Protein (CRP) is an acute phase reactant, belonging to the pentraxin family of proteins. Its level rises up to 1000-fold in response to acute inflammation. High sensitivity CRP level is utilized as an independent biomarker of inflammation and cardiovascular disease. The accumulating data suggests that CRP has two distinct forms. It is predominantly produced in the liver in a native pentameric form (nCRP). At sites of local inflammation and tissue injury it may bind to phosphocholine-rich membranes of activated and apoptotic cells and their microparticles, undergoing irreversible dissociation to five monomeric subunits, termed monomeric CRP (mCRP). Through dissociation, CRP deposits into tissues and acquires distinct proinflammatory properties. It activates both classic and alternative complement pathways, binding complement component C1q and factor H. mCRP actively participates in the development of endothelial dysfunction. It activates leukocytes, inducing cytokine release and monocyte recruitment. It may also play a role in the polarization of monocytes and T cells into proinflammatory phenotypes. It may be involved in low-density lipoproteins (LDL) opsonization and uptake by macrophages. mCRP deposits were detected in samples of atherosclerotic lesions from human aorta, carotid, coronary and femoral arteries. mCRP may also induce platelet aggregation and thrombus formation, thus contributing in multiple ways in the development of atherosclerosis and atherothrombosis. In this mini-review, we will provide an insight into the process of conformational rearrangement of nCRP, leading to dissociation, and describe known effects of mCRP. We will provide a rationalization for mCRP involvement in the development of atherosclerosis and atherothrombosis.
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Affiliation(s)
- Ivan S Melnikov
- National Medical Research Centre of Cardiology of the Ministry of Health of the Russian Federation, Moscow, Russian Federation.,State Research Centre of the Russian Federation - Institute of Biomedical Problems of Russian Academy of Sciences, Moscow, Russian Federation
| | - Sergey G Kozlov
- National Medical Research Centre of Cardiology of the Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - Olga S Saburova
- National Medical Research Centre of Cardiology of the Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - Yulia N Avtaeva
- National Medical Research Centre of Cardiology of the Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - Lyudmila V Prokofieva
- National Medical Research Centre of Cardiology of the Ministry of Health of the Russian Federation, Moscow, Russian Federation
| | - Zufar A Gabbasov
- National Medical Research Centre of Cardiology of the Ministry of Health of the Russian Federation, Moscow, Russian Federation
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9
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De la Paz JF, Anguita-Salinas C, Díaz-Celis C, Chávez FP, Allende ML. The Zebrafish Perivitelline Fluid Provides Maternally-Inherited Defensive Immunity. Biomolecules 2020; 10:biom10091274. [PMID: 32899417 PMCID: PMC7564447 DOI: 10.3390/biom10091274] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 08/15/2020] [Accepted: 08/19/2020] [Indexed: 11/25/2022] Open
Abstract
In the teleost egg, the embryo is immersed in an extraembryonic fluid that fills the space between the embryo and the chorion and partially isolates it from the external environment, called the perivitelline fluid (PVF). The exact composition of the PVF remains unknown in vertebrate animals. The PVF allows the embryo to avoid dehydration, to maintain a safe osmotic balance and provides mechanical protection; however, its potential defensive properties against bacterial pathogens has not been reported. In this work, we determined the global proteomic profile of PVF in zebrafish eggs and embryos, and the maternal or zygotic origin of the identified proteins was studied. In silico analysis of PVF protein composition revealed an enrichment of protein classes associated with non-specific humoral innate immunity. We found lectins, protease inhibitors, transferrin, and glucosidases present from early embryogenesis until hatching. Finally, in vitro and in vivo experiments done with this fluid demonstrated that the PVF possessed a strong agglutinating capacity on bacterial cells and protected the embryos when challenged with the pathogenic bacteria Edwardsiella tarda. Our results suggest that the PVF is a primitive inherited immune extraembryonic system that protects the embryos from external biological threats prior to hatching.
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Affiliation(s)
- Javiera F. De la Paz
- FONDAP Center for Genome Regulation, Faculty of Sciences, University of Chile, RM 7800003 Santiago, Chile; (J.F.D.l.P.); (C.A.-S.)
- Laboratory of Systems Microbiology, Faculty of Sciences, University of Chile, RM 7800003 Santiago, Chile;
- Danio Biotechnologies SpA, RM 7800003 Santiago, Chile
| | - Consuelo Anguita-Salinas
- FONDAP Center for Genome Regulation, Faculty of Sciences, University of Chile, RM 7800003 Santiago, Chile; (J.F.D.l.P.); (C.A.-S.)
- Danio Biotechnologies SpA, RM 7800003 Santiago, Chile
| | - César Díaz-Celis
- Laboratory of Systems Microbiology, Faculty of Sciences, University of Chile, RM 7800003 Santiago, Chile;
| | - Francisco P. Chávez
- Laboratory of Systems Microbiology, Faculty of Sciences, University of Chile, RM 7800003 Santiago, Chile;
- Correspondence: (F.P.C.); (M.L.A.)
| | - Miguel L. Allende
- FONDAP Center for Genome Regulation, Faculty of Sciences, University of Chile, RM 7800003 Santiago, Chile; (J.F.D.l.P.); (C.A.-S.)
- Correspondence: (F.P.C.); (M.L.A.)
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10
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Wang Z, Wang X, Zou H, Dai Z, Feng S, Zhang M, Xiao G, Liu Z, Cheng Q. The Basic Characteristics of the Pentraxin Family and Their Functions in Tumor Progression. Front Immunol 2020; 11:1757. [PMID: 33013829 PMCID: PMC7461825 DOI: 10.3389/fimmu.2020.01757] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 06/30/2020] [Indexed: 02/05/2023] Open
Abstract
The pentraxin is a superfamily of proteins with the same domain known as the pentraxin domain at C-terminal. This family has two subgroups, namely; short pentraxins (C-reactive protein and serum amyloid P component) and long pentraxins (neuronal pentraxin 1, neuronal pentraxin 2, neuronal pentraxin receptor, pentraxin 3 and pentraxin 4). Each group shares a similar structure with the pentameric complexes arranged in a discoid shape. Previous studies revealed the functions of different pentraxin family members. Most of them are associated with human innate immunity. Inflammation has commonly been associated with tumor progression, implying that the pentraxin family might also participate in tumor progression. Therefore, we reviewed the basic characteristics and functions of the pentraxin family and their role in tumor progression.
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Affiliation(s)
- Zeyu Wang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Changsha, China
| | - Xing Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, China
| | - Hecun Zou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
| | - Ziyu Dai
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Songshan Feng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Mingyu Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Gelei Xiao
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Zhixiong Liu
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Changsha, China
| | - Quan Cheng
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Changsha, China.,Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, China
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Korhonen K, Unkila-Kallio L, Alfthan H, Hämäläinen E, Tiitinen A, Mikkola T, Tapanainen J, Savolainen-Peltonen H. Plasma pentraxin 3 is higher in early ovarian hyperstimulation syndrome than in uncomplicated in vitro fertilization cycle of high-risk women. Arch Gynecol Obstet 2020; 301:1569-1578. [PMID: 32372340 PMCID: PMC7246248 DOI: 10.1007/s00404-020-05556-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 04/20/2020] [Indexed: 11/25/2022]
Abstract
Purpose Pentraxin 3 (PTX3) is a locally secreted, quicker responsive pro-inflammatory protein than C-reactive protein (CRP). We evaluated the value of PTX3 in the prediction of ovarian hyperstimulation syndrome (OHSS), a severe complication of in vitro fertilization (IVF). Methods This two-year prospective follow-up study included 27 women with uncomplicated IVF-cycles (IVF group) and 31 patients diagnosed with moderate or severe early OHSS (OHSS group). PTX3 was analysed from follicular fluid (FF) and serial blood samples with enzyme-linked immunoassay and CRP with particle-enhanced immunoturbidimetric assay. The value of PTX3 and CRP in detecting OHSS was examined with receiver operating characteristic (ROC) curve analysis and expressed as the area under the curve (AUC). Results The circulating PTX3 level peaked at two days after oocyte pick-up (OPU2), and in the OHSS group the level was 1.9 times higher (P = 0.006) than in the IVF group. However, in ROC curve analysis PTX3 (AUC 0.79, best cut off 1.1 µg/L) was not superior to CRP (AUC 0.87; best cut off 9.5 mg/L) in predicting early OHSS. In the IVF group, the FF-PTX3 concentration was 15–20 times higher than in the plasma. PTX3 level at OPU2 correlated with the number of punctured follicles (r = 0.56, n = 22, P = 0.006). Triggering with human chorionic gonadotrophin or early pregnancy had no effect on PTX3 level. Conclusion The elevated PTX3 concentration in OHSS at OPU2, when freeze-all embryos strategy is still possible to consider, indicates that PTX3 level could provide additional benefit in the risk assessment for early OHSS.
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Affiliation(s)
- Kati Korhonen
- Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PO Box 140, 00290, Helsinki, Finland
| | - Leila Unkila-Kallio
- Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PO Box 140, 00290, Helsinki, Finland
| | - Henrik Alfthan
- HUSLAB, Helsinki University Hospital, Topeliuksenkatu 32, 00290, Helsinki, Finland
| | - Esa Hämäläinen
- Clinical Chemistry, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 8, 00290, Helsinki, Finland
| | - Aila Tiitinen
- Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PO Box 140, 00290, Helsinki, Finland
| | - Tomi Mikkola
- Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PO Box 140, 00290, Helsinki, Finland
- Folkhälsan Research Center, Biomedicum Helsinki, Haartmaninkatu 8, 00290, Helsinki, Finland
| | - Juha Tapanainen
- Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PO Box 140, 00290, Helsinki, Finland
- PEDEGO Research Unit, Medical Research Center, Obstetrics and Gynecology, University of Oulu and Oulu University Hospital, Pentti Kaiteran katu 1, Linnanmaa, 90014, Oulu, Finland
| | - Hanna Savolainen-Peltonen
- Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Haartmaninkatu 2, PO Box 140, 00290, Helsinki, Finland.
- Folkhälsan Research Center, Biomedicum Helsinki, Haartmaninkatu 8, 00290, Helsinki, Finland.
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Lin YW. Uranyl Binding to Proteins and Structural-Functional Impacts. Biomolecules 2020; 10:biom10030457. [PMID: 32187982 PMCID: PMC7175365 DOI: 10.3390/biom10030457] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/08/2020] [Accepted: 03/13/2020] [Indexed: 01/29/2023] Open
Abstract
The widespread use of uranium for civilian purposes causes a worldwide concern of its threat to human health due to the long-lived radioactivity of uranium and the high toxicity of uranyl ion (UO22+). Although uranyl–protein/DNA interactions have been known for decades, fewer advances are made in understanding their structural-functional impacts. Instead of focusing only on the structural information, this article aims to review the recent advances in understanding the binding of uranyl to proteins in either potential, native, or artificial metal-binding sites, and the structural-functional impacts of uranyl–protein interactions, such as inducing conformational changes and disrupting protein-protein/DNA/ligand interactions. Photo-induced protein/DNA cleavages, as well as other impacts, are also highlighted. These advances shed light on the structure-function relationship of proteins, especially for metalloproteins, as impacted by uranyl–protein interactions. It is desired to seek approaches for biological remediation of uranyl ions, and ultimately make a full use of the double-edged sword of uranium.
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Affiliation(s)
- Ying-Wu Lin
- School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China; ; Tel.: +86-734-8578079
- Laboratory of Protein Structure and Function, University of South China, Hengyang 421001, China
- Hunan Key Laboratory for the Design and Application of Actinide Complexes, University of South China, Hengyang 421001, China
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13
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Magrone T, Jirillo E, Magrone M, Russo MA, Romita P, Massari F, Foti C. Red Grape Polyphenol Oral Administration Improves Immune Response in Women Affected by Nickel-Mediated Allergic Contact Dermatitis. Endocr Metab Immune Disord Drug Targets 2020; 21:374-384. [PMID: 32167433 DOI: 10.2174/1871530320666200313152648] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/10/2020] [Accepted: 01/17/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Our previous findings demonstrated that in vitro supplementation of polyphenols, extracted from seeds of red grape (Nero di Troia cultivar), to peripheral lymphomonocytes from patients affected by allergic contact dermatitis (ACD) to nickel (Ni) could reduce the release of proinflammatory cytokines and nitric oxide (NO), while increasing the levels of interleukin (IL)-10, an anti-inflammatory cytokine. OBJECTIVE To assess whether an intervention with oral administration of polyphenols leads to a reduction of peripheral biomarkers in ACD patients. METHODS At T0, 25 patients affected by ACD to Ni were orally administered with 300 mg polyphenols prodie extracted from seeds of red grape (Nero di Troia cultivar) (NATUR-OX®) for 3 months (T1). The other 25 patients affected by ACD to Ni received placebo only for the same period of time. Serum biomarkers were analyzed at T0 and T1. In both groups, seven dropouts were recorded. RESULTS At T1 in comparison to T0, in treated patients, values of interferon-γ, IL-4, IL-17, pentraxin 3 and NO decreased, while IL-10 levels increased when compared with T0 values. Conversely, in placebo- treated patients, no modifications of biomarkers were evaluated at T1. CONCLUSION Present laboratory data rely on the anti-oxidant, anti-inflammatory and anti-allergic properties of polyphenols.
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Affiliation(s)
- Thea Magrone
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari, Bari, Italy
| | - Emilio Jirillo
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari, Bari, Italy
| | - Manrico Magrone
- Department of Basic Medical Sciences, Neuroscience and Sensory Organs, School of Medicine, University of Bari, Bari, Italy
| | - Matteo A Russo
- MEBIC Consortium, San Raffaele Open University of Rome and IRCCS San Raffaele Pisana of Rome, Rome, Italy
| | - Paolo Romita
- Department of Biomedical Sciences and Human Oncology, University of Bari, School of Medicine, University of Bari, Bari, Italy
| | - Francesco Massari
- Department of Biomedical Sciences and Human Oncology, University of Bari, School of Medicine, University of Bari, Bari, Italy
| | - Caterina Foti
- Department of Biomedical Sciences and Human Oncology, University of Bari, School of Medicine, University of Bari, Bari, Italy
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Bello-Perez M, Pereiro P, Coll J, Novoa B, Perez L, Falco A. Zebrafish C-reactive protein isoforms inhibit SVCV replication by blocking autophagy through interactions with cell membrane cholesterol. Sci Rep 2020; 10:566. [PMID: 31953490 PMCID: PMC6969114 DOI: 10.1038/s41598-020-57501-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 12/31/2019] [Indexed: 02/06/2023] Open
Abstract
In the present work, the mechanisms involved in the recently reported antiviral activity of zebrafish C-reactive protein-like protein (CRP1-7) against the spring viraemia of carp rhabdovirus (SVCV) in fish are explored. The results neither indicate blocking of the attachment or the binding step of the viral replication cycle nor suggest the direct inhibition of G protein fusion activity or the stimulation of the host’s interferon system. However, an antiviral state in the host is induced. Further results showed that the antiviral protection conferred by CRP1-7 was mainly due to the inhibition of autophagic processes. Thus, given the high affinity of CRPs for cholesterol and the recently described influence of the cholesterol balance in lipid rafts on autophagy, both methyl-β-cyclodextrin (a cholesterol-complexing agent) and 25-hydroxycholesterol (a cholesterol molecule with antiviral properties) were used to further describe CRP activity. All the tested compounds exerted antiviral activity by affecting autophagy in a similar manner. Further assays indicate that CRP reduces autophagy activity by initially disturbing the cholesterol ratios in the host cellular membranes, which in turn negatively affects the intracellular regulation of reactive oxygen species (ROS) and increases lysosomal pH as a consequence. Ultimately, here we propose that such pH changes exert an inhibitory direct effect on SVCV replication by disrupting the pH-dependent membrane-fusogenic ability of the viral glycoprotein G, which allows the release of the virus from endosomes into cytoplasm during its entry phase.
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Affiliation(s)
- Melissa Bello-Perez
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Miguel Hernández University (UMH), Elche, 03202, Spain
| | - Patricia Pereiro
- Instituto de Investigaciones Marinas (IIM), Consejo Superior de Investigaciones Científicas (CSIC), Vigo, 36208, Spain
| | - Julio Coll
- Instituto Nacional de Investigaciones y Tecnologías Agrarias y Alimentarias (INIA), Dpto. Biotecnología, Madrid, 28040, Spain
| | - Beatriz Novoa
- Instituto de Investigaciones Marinas (IIM), Consejo Superior de Investigaciones Científicas (CSIC), Vigo, 36208, Spain
| | - Luis Perez
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Miguel Hernández University (UMH), Elche, 03202, Spain.
| | - Alberto Falco
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Miguel Hernández University (UMH), Elche, 03202, Spain.
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Heat shock protein 90 is downregulated in calcific aortic valve disease. BMC Cardiovasc Disord 2019; 19:306. [PMID: 31856737 PMCID: PMC6923932 DOI: 10.1186/s12872-019-01294-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 12/03/2019] [Indexed: 01/06/2023] Open
Abstract
Background Calcific aortic valve disease (CAVD) is an atheroinflammatory process; finally it leads to progressive calcification of the valve. There is no effective pharmacological treatment for CAVD and many of the underlying molecular mechanisms remain unknown. We conducted a proteomic study to reveal novel factors associated with CAVD. Methods We compared aortic valves from patients undergoing valvular replacement surgery due to non-calcified aortic insufficiency (control group, n = 5) to a stenotic group (n = 7) using two-dimensional difference gel electrophoresis (2D-DIGE). Protein spots were identified with mass spectrometry. Western blot and immunohistochemistry were used to validate the results in a separate patient cohort and Ingenuity Pathway Analysis (IPA) was exploited to predict the regulatory network of CAVD. Results We detected an upregulation of complement 9 (C9), serum amyloid P-component (APCS) and transgelin as well as downregulation of heat shock protein (HSP90), protein disulfide isomerase A3 (PDIA3), annexin A2 (ANXA2) and galectin-1 in patients with aortic valve stenosis. The decreased protein expression of HSP90 was confirmed with Western blot. Conclusions We describe here a novel data set of proteomic changes associated with CAVD, including downregulation of the pro-inflammatory cytosolic protein, HSP90.
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Zhang Y, Yang J, Chen Y, Lv J, Zhang J, Zhang Y, Zhao X, Fang H, Liu C, Zhang Q, Cui X, Wang X, Gao F. iTRAQ-Based Proteomics Analysis of Plasma of Myasthenia Gravis Patients Treated with Jia Wei Bu Zhong Yi Qi Decoction. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2019; 2019:9147072. [PMID: 31915455 PMCID: PMC6930785 DOI: 10.1155/2019/9147072] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 09/04/2019] [Accepted: 10/01/2019] [Indexed: 11/18/2022]
Abstract
Myasthenia gravis (MG) is an autoimmune disease. A proportion of MG patients did not get satisfactory results after treatment with pyridostigmine and prednisone. Jia Wei Bu Zhong Yi Qi (Jia Wei BZYQ) decoction, a water extract from multiple herbs, has been demonstrated to be effective in the treatment of multiple "Qi deficiency type" diseases including MG in China. In this text, we investigated protein alterations in the plasma from healthy volunteers (C), MG patients without any treatment (T1), MG patients with routine western medical treatment (T2), and MG patients with combined treatments of Jia Wei BZYQ decoction and routine western medicines (T3) and identified some potential proteins involved in the pathogenesis and treatment of MG. iTRAQ (isobaric tags for relative and absolute quantitation) and 2D-LC-MS/MS (two-dimensional liquid chromatography-tandem mass spectrometry technologies) were employed to screen differentially expressed proteins. The identification, quantification, functional annotation, and interaction of proteins were analyzed by matching software and databases. In our project, 618 proteins were identified, among which 447 proteins had quantitative data. The number of differentially expressed proteins was 110, 117, 143, 115, 86, and 158 in T1 vs. C, T2 vs. C, T2 vs. T1, T3 vs. C, T3 vs. T1, and T3 vs. T2 groups, respectively. Functional annotation results showed that many differentially expressed proteins were closely associated with immune responses. For instance, some key proteins such as C-reactive protein, apolipoprotein C-III, apolipoprotein A-II, alpha-actinin-1, and thrombospondin-1 have been found to be abnormally expressed in T3 group compared to T1 group or T2 group. Interaction network analyses also provided some potential biomarkers or targets for MG management.
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Affiliation(s)
- Yunke Zhang
- School of Rehabilitation Medicine, Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou City, Henan Province 450008, China
| | - Junhong Yang
- Department of Neurology, The First Affiliated Hospital of Henan University of Chinese Medicine, No. 19, Renmin Road, Zhengzhou City, Henan Province 450000, China
| | - Yingzhe Chen
- Department of Neurology, Pingdingshan Traditional Chinese Medicine Hospital, Henan No. 4 Courtyard, North Section of Zhongxing Road, Pingdingshan City 467000, China
| | - Jie Lv
- Department of Neuroimmunology Research, Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Henan, No. 40, University Road, Zhengzhou City, Henan Province 450052, China
| | - Jing Zhang
- Department of Neuroimmunology Research, Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Henan, No. 40, University Road, Zhengzhou City, Henan Province 450052, China
| | - Yingna Zhang
- Department of Neuroimmunology Research, Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Henan, No. 40, University Road, Zhengzhou City, Henan Province 450052, China
| | - Xue Zhao
- Department of Neuroimmunology Research, Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Henan, No. 40, University Road, Zhengzhou City, Henan Province 450052, China
| | - Hua Fang
- Department of Neuroimmunology Research, Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Henan, No. 40, University Road, Zhengzhou City, Henan Province 450052, China
| | - Chongchong Liu
- Beijing University of Chinese Medicine, No. 11, North Third Ring Road, Chaoyang District, Beijing 100029, China
| | - Qingyong Zhang
- Myasthenia Gravis Comprehensive Diagnosis and Treatment Center, Henan Provincial People's Hospital, No. 7, Weiwu Road, Zhengzhou City, Henan Province 450003, China
| | - Xinzheng Cui
- Myasthenia Gravis Comprehensive Diagnosis and Treatment Center, Henan Provincial People's Hospital, No. 7, Weiwu Road, Zhengzhou City, Henan Province 450003, China
| | - Xiaohan Wang
- Henan University of Chinese Medicine, No. 156 Jinshui East Road, Zhengzhou City, Henan Province 450008, China
| | - Feng Gao
- Department of Neuroimmunology Research, Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Henan, No. 40, University Road, Zhengzhou City, Henan Province 450052, China
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Kim Y, Park JY, Park HJ, Kim MK, Kim YI, Kim HJ, Bae SK, Bae MK. Pentraxin-3 Modulates Osteogenic/Odontogenic Differentiation and Migration of Human Dental Pulp Stem Cells. Int J Mol Sci 2019; 20:ijms20225778. [PMID: 31744201 PMCID: PMC6887979 DOI: 10.3390/ijms20225778] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/11/2019] [Accepted: 11/15/2019] [Indexed: 12/11/2022] Open
Abstract
Pentraxin-3 (PTX3) is recognized as a modulator of inflammation and a mediator of tissue repair. In this study, we characterized the role of PTX3 on some biological functions of human dental pulp stem cells (HDPSCs). The expression level of PTX3 significantly increased during osteogenic/odontogenic differentiation of HDPSCs, whereas the knockdown of PTX3 decreased this differentiation. Silencing of PTX3 in HDPSCs inhibited their migration and C-X-C chemokine receptor type 4 (CXCR4) expression. Our present study indicates that PTX3 is involved in osteogenic/odontogenic differentiation and migration of HDPSCs, and may contribute to the therapeutic potential of HDPSCs for regeneration and repair.
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Affiliation(s)
- Yeon Kim
- Department of Oral Physiology, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan 50610, Korea; (Y.K.); (J.-Y.P.); (H.-J.P.); (M.-K.K.); (H.J.K.)
| | - Joo-Yeon Park
- Department of Oral Physiology, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan 50610, Korea; (Y.K.); (J.-Y.P.); (H.-J.P.); (M.-K.K.); (H.J.K.)
| | - Hyun-Joo Park
- Department of Oral Physiology, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan 50610, Korea; (Y.K.); (J.-Y.P.); (H.-J.P.); (M.-K.K.); (H.J.K.)
| | - Mi-Kyoung Kim
- Department of Oral Physiology, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan 50610, Korea; (Y.K.); (J.-Y.P.); (H.-J.P.); (M.-K.K.); (H.J.K.)
| | - Yong-Il Kim
- Department of Orthodontics, School of Dentistry, Pusan National University, Yangsan 50610, Korea;
| | - Hyung Joon Kim
- Department of Oral Physiology, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan 50610, Korea; (Y.K.); (J.-Y.P.); (H.-J.P.); (M.-K.K.); (H.J.K.)
| | - Soo-Kyung Bae
- Department of Dental Pharmacology, School of Dentistry, Pusan National University, Yangsan 50610, Korea
| | - Moon-Kyoung Bae
- Department of Oral Physiology, Dental and Life Science Institute, School of Dentistry, Pusan National University, Yangsan 50610, Korea; (Y.K.); (J.-Y.P.); (H.-J.P.); (M.-K.K.); (H.J.K.)
- Correspondence: ; Tel.: +82-51-510-8239
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Oztan MO, Aksoy Gokmen A, Ozdemir T, Müderris T, Kaya S, Koyluoglu G. Pentraxin-3: A strong novel biochemical marker for appendicitis in children. Am J Emerg Med 2019; 37:1912-1916. [DOI: 10.1016/j.ajem.2019.01.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 01/08/2019] [Accepted: 01/11/2019] [Indexed: 11/29/2022] Open
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LI TT, WANG ZB, LI Y, CAO F, YANG BY, KUANG HX. The mechanisms of traditional Chinese medicine underlying the prevention and treatment of atherosclerosis. Chin J Nat Med 2019; 17:401-412. [DOI: 10.1016/s1875-5364(19)30048-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Indexed: 02/07/2023]
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20
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Leira Y, Ameijeira P, Domínguez C, López-Arias E, Ávila-Gómez P, Pérez-Mato M, Sobrino T, Campos F, D'Aiuto F, Leira R, Blanco J. Severe periodontitis is linked with increased peripheral levels of sTWEAK and PTX3 in chronic migraineurs. Clin Oral Investig 2019; 24:597-606. [PMID: 31111284 DOI: 10.1007/s00784-019-02950-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 05/03/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Periodontitis (PD) and chronic migraine (CM) have been recently linked, and inflammatory processes and vascular endothelial changes are hypothesized as potential mediators of this relationship. The aim of this cross-sectional analysis was to investigate the potential association of PD with vascular systemic inflammation and complement activation in patients with CM. MATERIALS AND METHODS Ninety-four chronic migraineurs underwent a full-mouth periodontal evaluation and a measure of PD activity and severity, namely the periodontal inflamed surface area (PISA) was calculated for each patient. We divided CM patients according to their periodontal status: mild PD (N = 14), moderate PD (N = 22), severe PD (N = 19), and non-PD (N = 39). Serum levels of C-reactive protein (CRP), pentraxin 3 (PTX3), soluble tumor necrosis factor-like weak inducer of apoptosis (sTWEAK), and complements C3 and C4 were measured outside of migraine attacks. RESULTS We found that severe periodontal patients had significantly higher circulating levels of PTX3 and sTWEAK compared with those without PD (2475.3 ± 1646.8 pg/mL vs. 516.6 ± 1193.8 pg/mL, P < 0.0001 and 672.4 ± 118.2 pg/mL vs. 485.7 ± 112.2 pg/mL, P < 0.0001; respectively). For the remaining biomarkers, no significant differences were found between groups. Severe PD was independently associated with higher levels of PTX3 (β = 1997.6, P < 0.0001) and sTWEAK (β = 187.1, P < 0.0001) but not with CRP, C3, and C4. PISA positively correlated to PTX3 (r = 0.475, P < 0.0001) and sTWEAK (r = 0.386, P < 0.0001). CONCLUSIONS Based on these preliminary results, severe PD was linked with vascular systemic inflammation in patients with CM. However, further longitudinal studies should be performed to confirm these findings. CLINICAL RELEVANCE sTWEAK and PTX3 measured in serum could be used as biomarkers in the PD-CM link.
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Affiliation(s)
- Yago Leira
- Periodontology Unit, UCL Eastman Dental Institute and Hospital, University College London, 256 Gray's Inn Road, London, WC1X 8LD, UK. .,Periodontology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, Santiago de Compostela, Spain. .,Medical-Surgical Dentistry (OMEQUI) Research Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain.
| | - Pablo Ameijeira
- Periodontology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Clara Domínguez
- Department of Neurology, Headache Unit, University Clinical Hospital, Clinical Neurosciences Research Laboratory, Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Esteban López-Arias
- Clinical Neurosciences Research Laboratory, Department of Neurology, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Paulo Ávila-Gómez
- Clinical Neurosciences Research Laboratory, Department of Neurology, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - María Pérez-Mato
- Clinical Neurosciences Research Laboratory, Department of Neurology, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Tomás Sobrino
- Clinical Neurosciences Research Laboratory, Department of Neurology, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Francisco Campos
- Clinical Neurosciences Research Laboratory, Department of Neurology, Clinical University Hospital, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
| | - Francesco D'Aiuto
- Periodontology Unit, UCL Eastman Dental Institute and Hospital, University College London, 256 Gray's Inn Road, London, WC1X 8LD, UK
| | - Rogelio Leira
- Department of Neurology, Headache Unit, University Clinical Hospital, Clinical Neurosciences Research Laboratory, Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Juan Blanco
- Periodontology Unit, Faculty of Medicine and Odontology, University of Santiago de Compostela, Santiago de Compostela, Spain.,Medical-Surgical Dentistry (OMEQUI) Research Group, Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain
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Kontny F, Andersen T, Ueland T, Åkerblom A, Lakic TG, Michelsen AE, Aukrust P, Bertilsson M, Becker RC, Himmelmann A, James SK, Siegbahn A, Storey RF, Wallentin L. Pentraxin-3 vs C-reactive protein and other prognostic biomarkers in acute coronary syndrome: A substudy of the Platelet Inhibition and Patients Outcomes (PLATO) trial. EUROPEAN HEART JOURNAL-ACUTE CARDIOVASCULAR CARE 2019; 9:313-322. [PMID: 31017470 DOI: 10.1177/2048872619846334] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
AIMS We investigated the dynamics, associations with patient characteristics, other biomarkers, and clinical outcomes of pentraxin 3 in acute coronary syndrome. METHODS AND RESULTS In multivariate analyses, pentraxin 3 measured in 5154 patients randomised in the Platelet Inhibition and Patients Outcomes (PLATO) trial (NCT00391872) was compared with leukocytes, high-sensitivity C-reactive protein, interleukin-6, cystatin C, N-terminal prohormone brain natriuretic peptide, high-sensitivity troponin T and growth differentiation factor 15 concerning prediction of clinical outcome. Pentraxin 3 peaked earlier than high-sensitivity C-reactive protein and was more strongly correlated with N-terminal prohormone brain natriuretic peptide and high-sensitivity troponin T than with high-sensitivity C-reactive protein. The frequency of cardiovascular death, spontaneous myocardial infarction or stroke by quartiles of pentraxin 3 at admission was 6.1%, 7.3%, 9.7% and 10.7%, respectively (p<0.0001). The hazard ratio per 50% increase of pentraxin 3 was 1.13 (95% confidence interval: 1.07-1.19), p<0.0001. This association remained significant after stepwise adjustments for leukocytes/high-sensitivity C-reactive protein (1.09 (1.02-1.15)), p=0.009, interleukin-6 (1.07 (1.01-1.14)), p=0.026, and cystatin C (1.07 (1.00-1.13)), p=0.044, but not after adjustment for N-terminal prohormone brain natriuretic peptide, high-sensitivity troponin T and growth differentiation factor 15. Admission pentraxin 3 was also associated with several of the individual endpoint components (cardiovascular death/spontaneous myocardial infarction; p=0.008, cardiovascular death; p=0.026, and spontaneous myocardial infarction; p=0.017), but not with stroke. Pentraxin 3 measured in the chronic phase (i.e. at one month) was still predictive of the composite endpoint in univariate analysis (1.12 (1.04-1.20) per 50% increase) p=0.0024, but not after adjustment for the other biomarkers. CONCLUSION Admission level of pentraxin 3 is a modestly stronger predictor than high-sensitivity C-reactive protein and interleukin-6, but not than N-terminal prohormone brain natriuretic peptide or high-sensitivity troponin T, concerning cardiovascular outcome in acute coronary syndrome. Pentraxin 3 is more strongly correlated with N-terminal prohormone brain natriuretic peptide and high-sensitivity troponin T than with high-sensitivity C-reactive protein.
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Affiliation(s)
- Frederic Kontny
- Department of Cardiology, Stavanger University Hospital, Norway.,Drammen Heart Center, Norway
| | - Thomas Andersen
- Department of Anaesthesiology, Stavanger University Hospital, Norway
| | - Thor Ueland
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Norway.,K.G. Jebsen Thrombosis Research and Expertise Center (TREC), University of Tromsø, Norway
| | - Axel Åkerblom
- Department of Medical Sciences, Cardiology Uppsala University, Sweden.,Uppsala Clinical Research Center, Uppsala University, Sweden
| | - Tatevik G Lakic
- Uppsala Clinical Research Center, Uppsala University, Sweden
| | - Annika E Michelsen
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Norway.,K.G. Jebsen Thrombosis Research and Expertise Center (TREC), University of Tromsø, Norway
| | - Pål Aukrust
- Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, Norway.,K.G. Jebsen Thrombosis Research and Expertise Center (TREC), University of Tromsø, Norway.,Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital Rikshospitalet, Norway
| | | | - Richard C Becker
- Division of Cardiovascular Health and Disease, Academic Health Center, Cincinnati, OH, USA
| | | | - Stefan K James
- Department of Medical Sciences, Cardiology Uppsala University, Sweden.,Uppsala Clinical Research Center, Uppsala University, Sweden
| | - Agneta Siegbahn
- Department of Medical Sciences, Cardiology Uppsala University, Sweden.,Department of Medical Sciences, Clinical Chemistry, Uppsala University, Sweden
| | - Robert F Storey
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, UK
| | - Lars Wallentin
- Department of Medical Sciences, Cardiology Uppsala University, Sweden.,Uppsala Clinical Research Center, Uppsala University, Sweden
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22
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Kim Y, Park JS, Park HJ, Kim MK, Kim YI, Bae SK, Kim HJ, Jeong CH, Bae MK. Pentraxin 3 Modulates the Inflammatory Response in Human Dental Pulp Cells. J Endod 2019; 44:1826-1831. [PMID: 30477668 DOI: 10.1016/j.joen.2018.08.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 07/17/2018] [Accepted: 08/12/2018] [Indexed: 01/16/2023]
Abstract
INTRODUCTION Pentraxin 3 (PTX3) has been suggested as a novel inflammatory biomarker in inflammation-associated diseases. The aim of this study was to examine the role of PTX3 in the inflammatory response of human dental pulp cells (HDPCs). METHODS HDPCs were treated with tumor necrosis factor alpha (TNF-α), and total RNA and protein were extracted. PTX3 messenger RNA and protein expression levels were analyzed using reverse transcription polymerase chain reaction and Western blotting, respectively. For PTX3 knockdown, HDPCs were transfected with a small interfering RNA against human PTX3. Macrophage chemotaxis after PTX3 silencing in HDPCs was assessed by transwell migration assays. RESULTS TNF-α increased PTX3 messenger RNA and protein levels in HDPCs. TNF-α-induced PTX3 expression was mediated by extracellular signal-regulated kinase 1/2 and nuclear factor kappa B. PTX3 knockdown decreased the expression levels of interleukin 6, interleukin 8, and monocyte chemoattractant protein 1 after stimulation with TNF-α in HDPCs. Moreover, PTX3 silencing in HDPCs significantly decreased the chemotactic migration of macrophages. CONCLUSIONS Our findings indicate PTX3 plays a critical role in the regulation of pulp inflammatory processes and reveal its underlying molecular mechanism.
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Affiliation(s)
- Yeon Kim
- Department of Oral Physiology, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Jin-Sung Park
- Department of Oral Physiology, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Hyun-Joo Park
- Department of Oral Physiology, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Mi-Kyoung Kim
- Department of Oral Physiology, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Yong-Il Kim
- Department of Orthodontics, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Soo-Kyung Bae
- Department of Dental Pharmacology, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Hyung Joon Kim
- Department of Oral Physiology, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Chul-Ho Jeong
- College of Pharmacy, Keimyung University, Daegu, South Korea
| | - Moon-Kyoung Bae
- Department of Oral Physiology, BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, South Korea.
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23
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Ngwa DN, Agrawal A. Structure-Function Relationships of C-Reactive Protein in Bacterial Infection. Front Immunol 2019; 10:166. [PMID: 30863393 PMCID: PMC6400226 DOI: 10.3389/fimmu.2019.00166] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 01/18/2019] [Indexed: 12/26/2022] Open
Abstract
One host defense function of C-reactive protein (CRP) is to protect against Streptococcus pneumoniae infection as shown by experiments employing murine models of pneumococcal infection. The protective effect of CRP is due to reduction in bacteremia. There is a distinct relationship between the structure of CRP and its anti-pneumococcal function. CRP is functional in both native and non-native pentameric structural conformations. In the native conformation, CRP binds to pneumococci through the phosphocholine molecules present on the C-polysaccharide of the pneumococcus and the anti-pneumococcal function probably involves the known ability of ligand-complexed CRP to activate the complement system. In the native structure-function relationship, CRP is protective only when given to mice within a few hours of the administration of pneumococci. The non-native pentameric conformation of CRP is created when CRP is exposed to conditions mimicking inflammatory microenvironments, such as acidic pH and redox conditions. In the non-native conformation, CRP binds to immobilized complement inhibitor factor H in addition to being able to bind to phosphocholine. Recent data using CRP mutants suggest that the factor H-binding function of non-native CRP is beneficial: in the non-native structure-function relationship, CRP can be given to mice any time after the administration of pneumococci irrespective of whether the pneumococci became complement-resistant or not. In conclusion, while native CRP is protective only against early stage infection, non-native CRP is protective against both early stage and late stage infections. Because non-native CRP displays phosphocholine-independent anti-pneumococcal activity, it is quite possible that CRP functions as a general anti-bacterial molecule.
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Affiliation(s)
| | - Alok Agrawal
- Department of Biomedical Sciences, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
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24
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Idborg H, Zandian A, Sandberg AS, Nilsson B, Elvin K, Truedsson L, Sohrabian A, Rönnelid J, Mo J, Grosso G, Kvarnström M, Gunnarsson I, Lehtiö J, Nilsson P, Svenungsson E, Jakobsson PJ. Two subgroups in systemic lupus erythematosus with features of antiphospholipid or Sjögren's syndrome differ in molecular signatures and treatment perspectives. Arthritis Res Ther 2019; 21:62. [PMID: 30777133 PMCID: PMC6378708 DOI: 10.1186/s13075-019-1836-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 01/24/2019] [Indexed: 01/31/2023] Open
Abstract
Background Previous studies and own clinical observations of patients with systemic lupus erythematosus (SLE) suggest that SLE harbors distinct immunophenotypes. This heterogeneity might result in differences in response to treatment in different subgroups and obstruct clinical trials. Our aim was to understand how SLE subgroups may differ regarding underlying pathophysiology and characteristic biomarkers. Methods In a cross-sectional study, including 378 well-characterized SLE patients and 316 individually matched population controls, we defined subgroups based on the patients’ autoantibody profile at inclusion. We selected a core of an antiphospholipid syndrome-like SLE (aPL+ group; positive in the lupus anticoagulant (LA) test and negative for all three of SSA (Ro52 and Ro60) and SSB antibodies) and a Sjögren’s syndrome-like SLE (SSA/SSB+ group; positive for all three of SSA (Ro52 and Ro60) and SSB antibodies but negative in the LA test). We applied affinity-based proteomics, targeting 281 proteins, together with well-established clinical biomarkers and complementary immunoassays to explore the difference between the two predefined SLE subgroups. Results The aPL+ group comprised 66 and the SSA/SSB+ group 63 patients. The protein with the highest prediction power (receiver operating characteristic (ROC) area under the curve = 0.89) for separating the aPL+ and SSA/SSB+ SLE subgroups was integrin beta-1 (ITGB1), with higher levels present in the SSA/SSB+ subgroup. Proteins with the lowest p values comparing the two SLE subgroups were ITGB1, SLC13A3, and CERS5. These three proteins, rheumatoid factor, and immunoglobulin G (IgG) were all increased in the SSA/SSB+ subgroup. This subgroup was also characterized by a possible activation of the interferon system as measured by high KRT7, TYK2, and ETV7 in plasma. In the aPL+ subgroup, complement activation was more pronounced together with several biomarkers associated with systemic inflammation (fibrinogen, α-1 antitrypsin, neutrophils, and triglycerides). Conclusions Our observations indicate underlying pathogenic differences between the SSA/SSB+ and the aPL+ SLE subgroups, suggesting that the SSA/SSB+ subgroup may benefit from IFN-blocking therapies while the aPL+ subgroup is more likely to have an effect from drugs targeting the complement system. Stratifying SLE patients based on an autoantibody profile could be a way forward to understand underlying pathophysiology and to improve selection of patients for clinical trials of targeted treatments. Electronic supplementary material The online version of this article (10.1186/s13075-019-1836-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Helena Idborg
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Arash Zandian
- Division of Affinity Proteomics, SciLifeLab, Department of Protein Science, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Ann-Sofi Sandberg
- Clinical Proteomics Mass Spectrometry, Department of Oncology-Pathology, Science for Life Laboratory and Karolinska Institutet, Stockholm, Sweden
| | - Bo Nilsson
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Kerstin Elvin
- Unit of Clinical Immunology, Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Karolinska Institutet, Solna, Stockholm, Sweden
| | - Lennart Truedsson
- Section of Microbiology, Immunology and Glycobiology, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Azita Sohrabian
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Johan Rönnelid
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - John Mo
- Patient Safety Respiratory, Inflammation, Autoimmunity, Infection and Vaccines, AstraZeneca R&D, Gothenburg, Sweden
| | - Giorgia Grosso
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Marika Kvarnström
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Iva Gunnarsson
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, 171 76, Stockholm, Sweden
| | - Janne Lehtiö
- Clinical Proteomics Mass Spectrometry, Department of Oncology-Pathology, Science for Life Laboratory and Karolinska Institutet, Stockholm, Sweden
| | - Peter Nilsson
- Division of Affinity Proteomics, SciLifeLab, Department of Protein Science, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Elisabet Svenungsson
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, 171 76, Stockholm, Sweden.
| | - Per-Johan Jakobsson
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, 171 76, Stockholm, Sweden.
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25
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Lee R, Ahn HR, Shin MH, Kim HN, Lee YH, Choi SW, Kweon SS. Association of Plasma Pentraxin-3 Level with Lipid Levels and Cardiovascular Risk Factors in People with No History of Lipid-Lowering Medication: the Dong-gu Study. J Atheroscler Thromb 2019; 26:738-745. [PMID: 30674758 PMCID: PMC6711843 DOI: 10.5551/jat.47167] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Aim: To elucidate the role of pentraxin-3 (PTX3) in atherosclerosis, we evaluated lipid and cardiovascular risk profiles according to the plasma PTX3 levels in subjects from the general population. Methods: A sub-cohort of 2,000 subjects was randomly sampled from a Korean community-based cohort study. After excluding those with a medication history for dyslipidemia, 1,747 subjects (902 men and 845 women) were included in the final analyses. Linear and logistic regressions with adjustment for appropriate variables were performed. Results: The PTX3 level was positively associated with the high-density lipoprotein cholesterol (HDL-C) level and negatively associated with the log-transformed triglyceride (TG) level, total cholesterol/HDL-C ratio, and low-density lipoprotein cholesterol (LDL-C)/HDL-C ratio (p<0.05). Subjects with the highest PTX3 levels (≥ 1.17 ng/dl) exhibited a lower risk of metabolic syndrome (odds ratio [OR] 0.73, 95% confidence interval [CI] 0.57–0.94), overweight/obesity (OR 0.65, 95% CI 0.50–0.83), increased TG level (OR 0.66, 95% CI 0.51–0.86), and increased HDL-C level (OR 0.67, 95% CI 0.51–0.88) compared to those with the lowest PTX3 level (<0.7 ng/dl). Conclusion: The circulating PTX3 level was inversely associated with metabolic syndrome, overweight/obesity, and parameters of dyslipidemia, suggesting a cardioprotective role of PTX3 in atherosclerosis.
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Affiliation(s)
- Ran Lee
- Department of Preventive Medicine, Chonnam National University Medical School
| | | | - Min-Ho Shin
- Department of Preventive Medicine, Chonnam National University Medical School
| | - Hee-Nam Kim
- Department of Preventive Medicine, Chonnam National University Medical School
| | - Young-Hoon Lee
- Department of Preventive Medicine & Institute of Wonkwang Medical Science, Wonkwang University College of Medicine
| | - Seong-Woo Choi
- Department of Preventive Medicine, Chosun University Medical School
| | - Sun-Seog Kweon
- Department of Preventive Medicine, Chonnam National University Medical School.,Jeonnam Regional Cancer Center, Chonnam National University Hwasun Hospital
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26
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Bello-Perez M, Falco A, Novoa B, Perez L, Coll J. Hydroxycholesterol binds and enhances the anti-viral activities of zebrafish monomeric c-reactive protein isoforms. PLoS One 2019; 14:e0201509. [PMID: 30653529 PMCID: PMC6336239 DOI: 10.1371/journal.pone.0201509] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 12/28/2018] [Indexed: 01/26/2023] Open
Abstract
C-reactive proteins (CRPs) are among the faster acute-phase inflammation-responses proteins encoded by one gene (hcrp) in humans and seven genes (crp1-7) in zebrafish (Danio rerio) with importance in bacterial and viral infections. In this study, we described novel preferential bindings of 25-hydroxycholesterol (25HOCh) to CRP1-7 compared with other lipids and explored the antiviral effects of both 25HOCh and CRP1-7 against spring viremia carp virus (SVCV) infection in zebrafish. Both in silico and in vitro results confirmed the antiviral effect of 25HOCh and CRP1-7 interactions, thereby showing that the crosstalk between them differed among the zebrafish isoforms. The presence of oxidized cholesterols in human atherosclerotic plaques amplifies the importance that similar interactions may occur for vascular and/or neurodegenerative diseases during viral infections. In this context, the zebrafish model offers a genetic tool to further investigate these interactions.
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Affiliation(s)
- Melissa Bello-Perez
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (IBMC-UMH), Elche, Spain
| | - Alberto Falco
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (IBMC-UMH), Elche, Spain
| | - Beatriz Novoa
- Institute of Marine Research (IIM), CSIC, Vigo, Spain
| | - Luis Perez
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (IBMC-UMH), Elche, Spain
| | - Julio Coll
- Department of Biotechnology, Instituto Nacional Investigaciones y Tecnologías Agrarias y Alimentarias, INIA, Madrid, Spain
- * E-mail:
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27
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Kruger MJ, Conradie MM, Conradie M, van de Vyver M. ADSC-conditioned media elicit an ex vivo anti-inflammatory macrophage response. J Mol Endocrinol 2018; 61:173-184. [PMID: 30038054 DOI: 10.1530/jme-18-0078] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/09/2018] [Accepted: 07/19/2018] [Indexed: 12/29/2022]
Abstract
Obesity-associated inflammatory mechanisms play a key role in the pathogenesis of metabolic-related diseases. Failure of anti-inflammatory control mechanisms within adipose tissue and peripheral blood mononuclear cells (PBMCs) have been implicated in disease progression. This study investigated the efficacy of allogeneic adipose tissue-derived mesenchymal stem cells conditioned media (ADSC-CM) to counteract persistent inflammation by inducing an anti-inflammatory phenotype and cytokine response within PBMCs derived from patients with and without metabolic syndrome. Forty six (n=46) mixed ancestry females (18 - 45 years) were subdivided into a) healthy lean (HL) (n=10) (BMI < 25 kg/m2), b) overweight/obese (OW/OB) (BMI ≥ 25 kg/m2, < 3 metabolic risk factors) (n=22) and c) metabolic syndrome (MetS) (visceral adiposity , ≥ 3 metabolic risk factors) (n=14) groups. Body composition (DXA scan), metabolic (cholesterol, HDL, LDL, triglycerides, blood glucose) and inflammatory profiles (38-Plex cytokine panel) were determined. PBMCs were isolated from whole blood and treated ex vivo with either i) autologous participant-derived serum ii) ADSCs-CM or iii) a successive treatment regime. The activation status (CD11b+) and intracellular cytokine (IL6, IL10, TNFa) expression were determined in M1 (CD68+CD206-CD163-) and M2 (CD68+CD163+ CD206+) macrophage populations using flow cytometry. ADSC-CM treatment, promoted a M2 macrophage phenotype and induced IL10 expression, this was most pronounced in the OW/OB group. This response is likely mediated by multiple complementing factors within ADSC-CM, yet to be identified. This study is the first to demonstrate the therapeutic potential of ADSC-CM to restore the inflammatory balance in immune compromised obese individuals.
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Affiliation(s)
- Maria Jacoba Kruger
- Division of Endocrinology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Maria Martha Conradie
- Division of Endocrinology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Magda Conradie
- Division of Endocrinology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Mari van de Vyver
- Division of Endocrinology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
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28
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Ozkaramanli Gur D, Gur O, Guzel S, Akyuz A, Gurkan S, Alpsoy S, Gulec NS, Koc F. Inflammatory Mediators Across the Spectrum of Ankle-Brachial Index. J Atheroscler Thromb 2018; 26:351-361. [PMID: 30249941 PMCID: PMC6456454 DOI: 10.5551/jat.44891] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Aim: Peripheral artery disease (PAD) is a manifestation of atherosclerosis with poor prognosis. It is generally complicated by vascular calcification, which is located either in the intima as patchy infiltrates; or circumferentially in the media, also known as medial arterial calcification (MAC). Obstructive PAD is reflected by low anklebrachial index (ABI ≤ 0.9), whereas MAC is revealed by high ABI (ABI > 1.4). Considering the increase in cardiovascular mortality at both ends of the ABI spectrum, this study aimed to explore the underlying pathology through cytokines with established prognostic significance; namely pentraxin-3(PTX3), high sensitivity C-reactive protein (hsCRP), copeptin, soluble triggering receptor expressed on myeloid cells-1 (sTREM-1), NT-proBNP, and neopterin. Methods: We categorized 180 patients with previous multivessel coronary artery bypass grafting surgery into three groups based on their ABI measurements; 60 patients with ABI ≤ 0.9, 60 patients with ABI within 0.91 and 1.4 (normal ABI), and 60 patients with ABI > 1.4 constituted the “PAD,” “normal,” “MAC” groups, respectively. The circulating levels of the biochemical markers were determined. Results: In the PAD group, the cytokine levels with predominantly proatherogenic actions such as PTX3, hsCRP, copeptin, and sTREM-1 were increased and these cytokine levels declined as the ABI increased. In the MAC group, the cytokine concentrations with pleiotropic actions such as NT-proBNP and neopterin increased and; NT-proBNP and neopterin concentrations decreased as ABI decreased. The linear regression analysis revealed that neopterin (β = 0.72), PTX3 (β = −0.32), and copeptin (β = −0.48) were independent predictors of ABI. Conclusions: These findings suggest that different inflammatory pathways influence the pathology at the opposing ends of the ABI spectrum. Consequently, we suggest that PTX3, copeptin, and neopterin are promising biomarkers for future research.
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Affiliation(s)
| | - Ozcan Gur
- Department of Cardiovascular Surgery, Namik Kemal University Faculty of Medicine
| | - Savas Guzel
- Department of Biochemistry, Namik Kemal University Faculty of Medicine
| | - Aydin Akyuz
- Department of Cardiology, Namik Kemal University Faculty of Medicine
| | - Selami Gurkan
- Department of Cardiovascular Surgery, Namik Kemal University Faculty of Medicine
| | - Seref Alpsoy
- Department of Cardiology, Namik Kemal University Faculty of Medicine
| | | | - Fatma Koc
- Department of Biochemistry, Namik Kemal University Faculty of Medicine
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29
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Gao P, Tang K, Wang M, Yang Q, Xu Y, Wang J, Zhao J, Xie J. Pentraxin levels in non-eosinophilic versus eosinophilic asthma. Clin Exp Allergy 2018; 48:981-989. [PMID: 29754456 DOI: 10.1111/cea.13168] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 03/07/2018] [Accepted: 05/03/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Innate immunity has been thought to be involved in asthma pathogenesis. Pentraxins, acting as soluble pattern recognition molecules, play an important role in humoral innate immunity. Asthma is a heterogeneous inflammatory disease of airways and can be classified as eosinophilic or non-eosinophilic asthma. OBJECTIVE To investigate whether pentraxin levels differ in subjects with eosinophilic versus non-eosinophilic asthma. Furthermore, to access the predictive performance of pentraxin levels for discriminating asthma inflammatory phenotypes. METHODS A total of 80 asthmatic patients and 24 healthy control subjects underwent sputum induction at study inclusion. Differential leucocyte counts were performed on selected sputum. Plasma C-reactive protein (CRP), serum amyloid P (SAP), pentraxin 3 (PTX3), and sputum SAP, PTX3, IL-8 levels were determined by enzyme-linked immunosorbent assay. RESULTS Subjects with non-eosinophilic asthma had significantly increased pentraxin levels compared with those with eosinophilic asthma and healthy controls, with median (interquartile range) plasma CRP levels of 0.86 (0.28-2.07), 0.26 (0.14-0.85), and 0.15 (0.09-0.45)mg/L (P < .001), respectively, plasma SAP levels of 33.69 (19.79-58.39), 19.76 (16.11-30.58), and 20.06 (15.68-31.11)mg/L (P = .003), respectively, and sputum PTX3 levels of 4.9 (1.35-18.72), 0.87 (0.30-2.07), and 1.08 (0.31-4.32)ng/mL (P < .001), respectively. Conversely, sputum SAP concentrations of eosinophilic asthmatics (median, 21.49 ng/mL; IQR, 6.86-38.79 ng/mL) were significantly higher than those of non-eosinophilic patients (median, 8.15 ng/mL; IQR, 2.82-18.01 ng/mL) and healthy controls (median, 8.79 ng/mL; IQR, 2.00-16.18 ng/mL). Asthma patients with high plasma CRP (P = .004), SAP (P = .005) and sputum PTX3 levels (P < 0.001) also had significantly lower sputum eosinophil percentages. Sputum PTX3 levels had the best power (11.18-fold, P < .001) to predict non-eosinophilic airway inflammation in asthma patients. CONCLUSION AND CLINICAL RELEVANCE Pentraxin levels differed significantly between patients with non-eosinophilic asthma and those with eosinophilic asthma. Furthermore, elevated pentraxin expressions may predict non-eosinophilic airway inflammation in asthmatic patients.
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Affiliation(s)
- Pengfei Gao
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, National Clinical Research Center of Respiratory Disease, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kun Tang
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, National Clinical Research Center of Respiratory Disease, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Meijia Wang
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, National Clinical Research Center of Respiratory Disease, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qun Yang
- Department of Medical Ultrasound, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yongjian Xu
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, National Clinical Research Center of Respiratory Disease, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianmiao Wang
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, National Clinical Research Center of Respiratory Disease, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianping Zhao
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, National Clinical Research Center of Respiratory Disease, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jungang Xie
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, National Clinical Research Center of Respiratory Disease, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Caprio V, Badimon L, Di Napoli M, Fang WH, Ferris GR, Guo B, Iemma RS, Liu D, Zeinolabediny Y, Slevin M. pCRP-mCRP Dissociation Mechanisms as Potential Targets for the Development of Small-Molecule Anti-Inflammatory Chemotherapeutics. Front Immunol 2018; 9:1089. [PMID: 29892284 PMCID: PMC5985513 DOI: 10.3389/fimmu.2018.01089] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 05/01/2018] [Indexed: 12/29/2022] Open
Abstract
Circulating C-reactive protein (CRP) is a key acute-phase protein and one of the main clinical biomarkers for inflammation and infection. CRP is an important upstream mediator of inflammation and is associated with the onset of a number of important disease states including cardiovascular disease and neurodegenerative disorders such as Alzheimer’s disease. This pentraxin exerts pro-inflammatory properties via dissociation of the pentamer (pCRP) to a monomeric form (mCRP). This dissociation is induced by binding of pCRP to cell surface phosphocholine residues exposed by the action of phospholipase A2 (PLA2). Given the association of CRP with the onset of a range of serious disease states this CRP dissociation process is a tempting drug target for the development of novel small-molecule therapeutics. This review will discuss potential targets for chemotherapeutic intervention elucidated during studies of CRP-mediated inflammation and provide an up-to-date summary of the development of small molecules, not only targeted directly at inhibiting conversion of pCRP to mCRP, but also those developed for activity against PLA2, given the key role of this enzyme in the activation of CRP.
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Affiliation(s)
- Vittorio Caprio
- Faculty of Science and Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom
| | - Lina Badimon
- Hospital de la Santa Creu I Sant Pau, IIB Sant Pau, Barcelona, Spain
| | - Mario Di Napoli
- Neurological Service, Ospedale San Camillo de Lellis, Rieti, Italy
| | - Wen-Hui Fang
- Faculty of Science and Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom
| | - Glenn R Ferris
- Faculty of Science and Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom
| | - Baoqiang Guo
- Faculty of Science and Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom.,Institute of Dementia and Neurological Aging, Weifang Medical University, Weifang, China
| | - Rocco S Iemma
- Faculty of Science and Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom
| | - Donghui Liu
- Faculty of Science and Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom.,University of Medicine and Pharmacy, Targu Mures, Romania
| | - Yasmin Zeinolabediny
- Faculty of Science and Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom.,University of Medicine and Pharmacy, Targu Mures, Romania
| | - Mark Slevin
- Faculty of Science and Engineering, School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom.,Hospital de la Santa Creu I Sant Pau, IIB Sant Pau, Barcelona, Spain.,Institute of Dementia and Neurological Aging, Weifang Medical University, Weifang, China.,University of Medicine and Pharmacy, Targu Mures, Romania
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31
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Shi YH, Chen K, Ma WJ, Chen J. Ayu C-reactive protein/serum amyloid P agglutinates bacteria and inhibits complement-mediated opsonophagocytosis by monocytes/macrophages. FISH & SHELLFISH IMMUNOLOGY 2018; 76:58-67. [PMID: 29481847 DOI: 10.1016/j.fsi.2018.02.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/18/2018] [Accepted: 02/19/2018] [Indexed: 06/08/2023]
Abstract
The short-chain pentraxins (PTXs), including C-reactive protein (CRP) and serum amyloid P (SAP), are soluble pattern recognition molecules (PRMs) that exhibit calcium-dependent binding to bacterial surface molecules. They opsonize pathogens or other particles by phagocytic clearance. However, the detailed functions of short-chain PTXs in teleosts remained unclear. In this study, we identified a short-chain PTX gene from ayu, Plecoglossus altivelis, and tentatively named as PaCRP/SAP. Sequence analysis revealed that PaCRP/SAP has typical characteristics of fish CRP/SAP and is mostly closely related to rainbow smelt (Osmerus mordax) SAP. PaCRP/SAP transcripts were detected in all tested tissues, with the highest level in the liver, and its expression significantly upregulated following Vibrio anguillarum infection. The active recombinant mature PaCRP/SAP (rPaCRP/SAPm) agglutinated Gram-negative bacteria (Escherichia coli, V. anguillarum, Aeromonas hydrophila, and Vibrio parahaemolyticus) and Gram-positive bacteria (Staphylococcus aureus and Listeria monocytogenes) in a calcium-dependent manner in vitro, and it correspondingly bound peptidoglycan and lipopolysaccharide in a dose-dependent manner. The binding of rPaCRP/SAPm to E. coli and S. aureus resulted in a clear inhibition of the deposition of ayu complement 3 (PaC3) on the bacteria. Furthermore, rPaCRP/SAPm decreased phagocytosis of rPaCRP/SAPm-bound E. coli and S. aureus cells by ayu monocytes/macrophages (MO/MΦ) in a complement-dependent way. However, rPaCRP/SAPm alone had no significant influence on phagocytosis. These results provided the first evidence that PaCRP/SAP might function in ayu immune responses via agglutinating bacteria and inhibiting complement-mediated opsonophagocytosis by MO/MΦ.
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Affiliation(s)
- Yu-Hong Shi
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo 315211, China
| | - Kai Chen
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Wen-Jing Ma
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Jiong Chen
- Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Ningbo University, Ningbo 315211, China; Key Laboratory of Applied Marine Biotechnology of Ministry of Education, Ningbo University, Ningbo 315211, China.
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Badimon L, Peña E, Arderiu G, Padró T, Slevin M, Vilahur G, Chiva-Blanch G. C-Reactive Protein in Atherothrombosis and Angiogenesis. Front Immunol 2018; 9:430. [PMID: 29552019 PMCID: PMC5840191 DOI: 10.3389/fimmu.2018.00430] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 02/16/2018] [Indexed: 12/11/2022] Open
Abstract
C-reactive protein (CRP) is a short pentraxin mainly found as a pentamer in the circulation, or as non-soluble monomers CRP (mCRP) in tissues, exerting different functions. This review is focused on discussing the role of CRP in cardiovascular disease, including recent advances on the implication of CRP and its forms specifically on the pathogenesis of atherothrombosis and angiogenesis. Besides its role in the humoral innate immune response, CRP contributes to cardiovascular disease progression by recognizing and binding multiple intrinsic ligands. mCRP is not present in the healthy vessel wall but it becomes detectable in the early stages of atherogenesis and accumulates during the progression of atherosclerosis. CRP inhibits endothelial nitric oxide production and contributes to plaque instability by increasing endothelial cell adhesion molecules expression, by promoting monocyte recruitment into the atheromatous plaque and by enzymatically binding to modified low-density lipoprotein. CRP also contributes to thrombosis, but depending on its form it elicits different actions. Pentameric CRP has no involvement in thrombogenesis, whereas mCRP induces platelet activation and thrombus growth. In addition, mCRP has apparently contradictory pro-angiogenic and anti-angiogenic effects determining tissue remodeling in the atherosclerotic plaque and in infarcted tissues. Overall, CRP contributes to cardiovascular disease by several mechanisms that deserve an in-depth analysis.
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Affiliation(s)
- Lina Badimon
- Cardiovascular Science Institute - ICCC, IIB-Sant Pau, Hospital de Sant Pau, Barcelona, Spain.,CiberCV, Institute Carlos III, Madrid, Spain
| | - Esther Peña
- Cardiovascular Science Institute - ICCC, IIB-Sant Pau, Hospital de Sant Pau, Barcelona, Spain.,CiberCV, Institute Carlos III, Madrid, Spain
| | - Gemma Arderiu
- Cardiovascular Science Institute - ICCC, IIB-Sant Pau, Hospital de Sant Pau, Barcelona, Spain
| | - Teresa Padró
- Cardiovascular Science Institute - ICCC, IIB-Sant Pau, Hospital de Sant Pau, Barcelona, Spain.,CiberCV, Institute Carlos III, Madrid, Spain
| | - Mark Slevin
- School of Healthcare Science, Manchester Metropolitan University, Manchester, United Kingdom
| | - Gemma Vilahur
- Cardiovascular Science Institute - ICCC, IIB-Sant Pau, Hospital de Sant Pau, Barcelona, Spain.,CiberCV, Institute Carlos III, Madrid, Spain
| | - Gemma Chiva-Blanch
- Cardiovascular Science Institute - ICCC, IIB-Sant Pau, Hospital de Sant Pau, Barcelona, Spain
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33
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Pentraxin-3 and coronary artery disease. Exp Gerontol 2018; 102:1-2. [DOI: 10.1016/j.exger.2017.11.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Accepted: 11/24/2017] [Indexed: 11/20/2022]
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Casula M, Montecucco F, Bonaventura A, Liberale L, Vecchié A, Dallegri F, Carbone F. Update on the role of Pentraxin 3 in atherosclerosis and cardiovascular diseases. Vascul Pharmacol 2017; 99:1-12. [PMID: 29051088 DOI: 10.1016/j.vph.2017.10.003] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 10/11/2017] [Accepted: 10/15/2017] [Indexed: 12/12/2022]
Abstract
Pentraxin 3 (PTX3) is an acute-phase protein that was recently demonstrated to play pleiotropic activities in cardiovascular (CV) diseases. Tumor necrosis factor and interleukins up-regulates PTX3 transcription in different cell types (i.e. endothelial cells, phagocytes, smooth muscle cells, fibroblasts and glial cells) involved in atherogenesis. By interacting with numerous ligands, PTX3 acts as a modulatory molecule of complement system, inflammatory response, angiogenesis, and vascular/tissue remodeling. Experimental data point to a beneficial role of PTX3 in atherosclerotic plaque development and vulnerability. Animal studies indicated a protective role of PTX3 signaling in ischemic/reperfusion injury and failing heart. Clinical studies have so far provided contrasting results, highlighting a debated role of PTX3 as an active mediator of endothelial dysfunction, atherosclerotic plaque vulnerability and worse outcome after ischemic events. Therefore, substantial evidence suggests a dual role of PTX3 as modulator or amplifiers of the innate immune response. The final result of PTX3 activation might be determined by a fine tuning of time, space and environmental signals. The aim of this review is to provide an overview of biological properties of PTX3 in CV diseases and to discuss the ability of PTX3 to act as a crossroad between pro- and anti-inflammatory pathways.
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Affiliation(s)
- Matteo Casula
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy
| | - Fabrizio Montecucco
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy; Ospedale Policlinico San Martino, 10 Largo Benzi, 16132 Genoa, Italy; Centre of Excellence for Biomedical Research (CEBR), University of Genoa, 9 viale Benedetto XV, 16132 Genoa, Italy
| | - Aldo Bonaventura
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy
| | - Luca Liberale
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy; Center for Molecular Cardiology, University of Zürich, Wagistrasse 12, CH-8952 Schlieren, Switzerland
| | - Alessandra Vecchié
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy
| | - Franco Dallegri
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy; Ospedale Policlinico San Martino, 10 Largo Benzi, 16132 Genoa, Italy
| | - Federico Carbone
- First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 6 viale Benedetto XV, 16132 Genoa, Italy.
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Korzonek-Szlacheta I, Danikiewicz A, Szkodziński J, Nowak J, Lekston A, Gąsior M, Zubelewicz-Szkodzińska B, Hudzik B. Relationship Between Plasma Pentraxin 3 Concentration and Platelet Indices in Patients With Stable Coronary Artery Disease. Angiology 2017; 69:264-269. [PMID: 28946774 DOI: 10.1177/0003319717732929] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Few reports have analyzed the effect of pentraxin 3 (PTX3) on platelets and their activation. We explored the association between plasma PTX3 and platelet indices. Forty-nine patients with stable coronary artery disease (CAD) were enrolled. Based on median PTX3, the study population was divided into group 1 (n = 25; PTX3 ≤ 0.98 ng/mL) and group 2 (n = 24; PTX3 > 0.98 ng/mL). Platelet indices investigated included mean platelet volume (MPV), platelet distribution width (PDW), platelets and large cell ratio (P-LCR), MPV to platelet count ratio (MPV/PC), platelet to lymphocyte ratio (PLR), and MPV to lymphocyte ratio (MPVLR). Patients with lower PTX3 had a higher lymphocyte count. Platelet count was similar in both groups. Notwithstanding, patients with higher PTX3 concentrations had elevated MPV (8.3 vs 10.0 fL; P < .001) and PDW (9.4 vs 12.4 fL; P < .001). However, the MPV/PC ratio was similar in both groups. Thromboinflammatory biomarkers (PLR, MPVLR) were also elevated in group 2. Pentraxin 3showed a strong, positive correlation with MPV ( r = .75, P < .01) and PDW ( r = .80, P < .01), and weak to moderate correlation with MPVLR. In conclusion, PTX3 is associated with larger platelet size as assessed by platelet volume indices. There is a strong correlation between plasma PTX3 level and MPV and PDW.
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Affiliation(s)
- Ilona Korzonek-Szlacheta
- 1 Department of Nutrition-Related Disease Prevention, Faculty of Public Health, Medical University of Silesia, Bytom, Poland
| | - Aleksander Danikiewicz
- 1 Department of Nutrition-Related Disease Prevention, Faculty of Public Health, Medical University of Silesia, Bytom, Poland
| | - Janusz Szkodziński
- 2 Third Department of Cardiology, Silesian Center for Heart Disease, SMDZ in Zabrze, Medical University of Silesia, Zabrze, Poland
| | - Justyna Nowak
- 1 Department of Nutrition-Related Disease Prevention, Faculty of Public Health, Medical University of Silesia, Bytom, Poland
| | - Andrzej Lekston
- 2 Third Department of Cardiology, Silesian Center for Heart Disease, SMDZ in Zabrze, Medical University of Silesia, Zabrze, Poland
| | - Mariusz Gąsior
- 2 Third Department of Cardiology, Silesian Center for Heart Disease, SMDZ in Zabrze, Medical University of Silesia, Zabrze, Poland
| | - Barbara Zubelewicz-Szkodzińska
- 1 Department of Nutrition-Related Disease Prevention, Faculty of Public Health, Medical University of Silesia, Bytom, Poland
| | - Bartosz Hudzik
- 1 Department of Nutrition-Related Disease Prevention, Faculty of Public Health, Medical University of Silesia, Bytom, Poland.,2 Third Department of Cardiology, Silesian Center for Heart Disease, SMDZ in Zabrze, Medical University of Silesia, Zabrze, Poland
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36
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Bello-Perez M, Falco A, Medina-Gali R, Pereiro P, Encinar JA, Novoa B, Perez L, Coll J. Neutralization of viral infectivity by zebrafish c-reactive protein isoforms. Mol Immunol 2017; 91:145-155. [PMID: 28915434 DOI: 10.1016/j.molimm.2017.09.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 09/01/2017] [Accepted: 09/05/2017] [Indexed: 12/24/2022]
Abstract
This work explores the unexpected in vivo and in vitro anti-viral functions of the seven c-reactive protein (crp1-7) genes of zebrafish (Danio rerio). First results showed heterogeneous crp1-7 transcript levels in healthy wild-type zebrafish tissues and organs and how those levels heterogeneously changed not only after bacterial but also after viral infections, including those in adaptive immunity-deficient rag1-/- mutants. As shown by microarray hybridization and proteomic techniques, crp2/CRP2 and crp5/CRP5 transcripts/proteins were among the most modulated during in vivo viral infection situations including the highest responses in the absence of adaptive immunity. In contrast crp1/CRP1/and crp7/CRP7 very often remained unmodulated. All evidences suggested that zebrafish crp2-6/CRP2-6 may have in vivo anti-viral activities in addition to their well known anti-bacterial and/or physiological functions in mammalians. Confirming those expectations, in vitro neutralization and in vivo protection against spring viremia carp virus (SVCV) infections were demonstrated by crp2-6/CRP2-6 using crp1-7 transfected and/or CRP1-7-enriched supernatant-treated fish cells and crp2-5-injected one-cell stage embryo eggs, respectively. All these findings discovered a crp1-7/CRP1-7 primitive anti-viral functional diversity.These findings may help to study similar functions on the one-gene-coded human CRP, which is widely used as a clinical biomarker for bacterial infections, tissue inflammation and coronary heart diseases.
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Affiliation(s)
- Melissa Bello-Perez
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (IBMC-UMH). Elche, Spain.
| | - Alberto Falco
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (IBMC-UMH). Elche, Spain.
| | - Regla Medina-Gali
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (IBMC-UMH). Elche, Spain.
| | | | - Jose Antonio Encinar
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (IBMC-UMH). Elche, Spain.
| | | | - Luis Perez
- Instituto de Biología Molecular y Celular, Universidad Miguel Hernández (IBMC-UMH). Elche, Spain.
| | - Julio Coll
- Instituto Nacional Investigaciones y Tecnologías Agrarias y Alimentarias, Dpto. Biotecnología. INIA. Madrid, Spain.
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Lambert C, Cubedo J, Padró T, Sánchez-Hernández J, Antonijoan RM, Perez A, Badimon L. Phytosterols and Omega 3 Supplementation Exert Novel Regulatory Effects on Metabolic and Inflammatory Pathways: A Proteomic Study. Nutrients 2017; 9:nu9060599. [PMID: 28608804 PMCID: PMC5490578 DOI: 10.3390/nu9060599] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 05/26/2017] [Accepted: 06/08/2017] [Indexed: 01/21/2023] Open
Abstract
Cardiovascular disease (CVD) remains one of the major causes of death and disability worldwide. In addition to drug treatment, nutritional interventions or supplementations are becoming a health strategy for CVD prevention. Phytosterols (PhyS) are natural components that have been shown to reduce cholesterol levels; while poly-unsaturated fatty acids (PUFA), mainly omega-3 (ω3) fatty acids, have shown to reduce triglyceride levels. Here we aimed to investigate whether the proteins in the main lipoproteins (low density lipoproteins (LDL) and high density lipoproteins (HDL)) as well as proteins in the lipid free plasma fraction (LPDP) were regulated by the intake of PhyS-milk or ω3-milk, in overweight healthy volunteers by a proteomic based systems biology approach. The study was a longitudinal crossover trial, including thirty-two healthy volunteers with body mass index (BMI) 25–35 kg/m2 (Clinical Trial: ISRCTN78753338). Basal samples before any intervention and after 4 weeks of intake of PhyS or ω3-milk were analyzed. Proteomic profiling by two dimensional electrophoresis (2-DE) followed by mass spectrometry-(MALDI/TOF), ELISA, Western blot, conventional biochemical analysis, and in-silico bioinformatics were performed. The intake of PhyS-milk did not induce changes in the lipid associated plasma protein fraction, whereas ω3-milk significantly increased apolipoprotein (Apo)- E LDL content (p = 0.043) and induced a coordinated increase in several HDL-associated proteins, Apo A–I, lecitin cholesterol acyltransferase (LCAT), paraoxonase-1 (PON-1), Apo D, and Apo L1 (p < 0.05 for all). Interestingly, PhyS-milk intake induced a reduction in inflammatory molecules not seen after ω3-milk intake. Serum amyloid P component (SAP) was reduced in the LPDP protein fraction (p = 0.001) of subjects taking PhyS-milk and C-C motif chemokine 2 (CCL2)expression detected by reverse transcription polymerase chain reaction (RT-PCR) analysis in white blood cells was significantly reduced (p = 0.013). No changes were observed in the lipid-free plasma proteome with ω3-milk. Our study provides novel results and highlights that the PhyS-milk induces attenuation of the pro-inflammatory pathways, whereas ω3-milk induces improvement in lipid metabolic pathways.
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Affiliation(s)
- Carmen Lambert
- Cardiovascular Science Institute-ICCC IIB-Sant Pau, 08025 Barcelona, Spain.
| | - Judit Cubedo
- Cardiovascular Science Institute-ICCC IIB-Sant Pau, 08025 Barcelona, Spain.
- Ciber CV, 28029 Madrid, Spain.
| | - Teresa Padró
- Cardiovascular Science Institute-ICCC IIB-Sant Pau, 08025 Barcelona, Spain.
- Ciber CV, 28029 Madrid, Spain.
| | - Joan Sánchez-Hernández
- Ciber DEM, 28029 Madrid, Spain.
- Endocrinology Department, Hospital Sant Pau, IIB-Sant Pau, 08025 Barcelona, Spain.
| | - Rosa M Antonijoan
- Medicament ResearchCenter (CIM), Hospital Sant Pau, IIB-Sant Pau, 08025 Barcelona, Spain.
| | - Antonio Perez
- Endocrinology Department, Hospital Sant Pau, IIB-Sant Pau, 08025 Barcelona, Spain.
| | - Lina Badimon
- Cardiovascular Science Institute-ICCC IIB-Sant Pau, 08025 Barcelona, Spain.
- Ciber CV, 28029 Madrid, Spain.
- Cardiovascular Research Chair UAB, 08025 Barcelona, Spain.
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38
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Bo S, Ponzo V, Evangelista A, Ciccone G, Goitre I, Saba F, Procopio M, Cassader M, Gambino R. Effects of 6 months of resveratrol versus placebo on pentraxin 3 in patients with type 2 diabetes mellitus: a double-blind randomized controlled trial. Acta Diabetol 2017; 54:499-507. [PMID: 28238190 DOI: 10.1007/s00592-017-0977-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 02/20/2017] [Indexed: 12/12/2022]
Abstract
AIMS The anti-inflammatory effects of the polyphenol resveratrol in patients with type 2 diabetes mellitus (T2DM) are controversial. Its role on pentraxin 3 (PTX3) concentrations, a human acute phase protein, has never been evaluated. Our aim was to determine whether a two-dosage resveratrol supplementation (500 and 40 mg/day) has an impact on PTX3 values in T2DM patients from a double-blind randomized placebo-controlled trial. Variations in total antioxidant status (TAS) were evaluated too. METHODS A total of 192 T2DM patients were randomized to receive resveratrol 500 mg/day (Resv 500 arm), resveratrol 40 mg/day (Resv 40 arm) or placebo for 6 months. At baseline and at the trial end, PTX3 and TAS values were determined. RESULTS A dose-dependent increase in PTX3 concentrations of 4.7% (Resv 40 arm) and 26.3% (Resv 500 arm), and 8.0% reduction after placebo were found. Adjusted mean differences of change versus placebo were 0.16 (95% CI 0.01-0.32) and 0.25 (0.09-0.42) in the Resv 40 and Resv 500 arms, respectively. At subgroup analyses, lower diabetes duration, aspirin, alcohol use, younger age, female gender, smoking (Resv 500 arm) and female gender and aspirin use (Resv 40 arm) were associated with higher PTX3 increments. A dose-dependent increment in TAS values in the resveratrol arms (1.4 and 6.4% for Resv 40 and Resv 500, respectively), and a reduction in placebo arm (-8.9%) were observed. Adjusted mean differences of change were 28.5 (95% CI 10.1-46.8) and 44.8 (25.4-64.1) in the Resv 40 and Resv 500 arms, respectively. CONCLUSION Resveratrol supplementation increased PTX3 and TAS levels in a dose-dependent manner in T2DM patients. At present, potential clinical implications of these results remain unclear. CLINICALTRIALS. GOV IDENTIFIER NCT02244879.
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Affiliation(s)
- S Bo
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy.
| | - V Ponzo
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
| | - A Evangelista
- Unit of Clinical Epidemiology, CPO, "Città della Salute e della Scienza" Hospital of Turin, Turin, Italy
| | - G Ciccone
- Unit of Clinical Epidemiology, CPO, "Città della Salute e della Scienza" Hospital of Turin, Turin, Italy
| | - I Goitre
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
| | - F Saba
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
| | - M Procopio
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
| | - M Cassader
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
| | - R Gambino
- Department of Medical Sciences, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
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39
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Nabrdalik K, Chodkowski A, Bartman W, Tomasik A, Kwiendacz H, Sawczyn T, Kukla M, Grzeszczak W, Gumprecht J. Pentraxin 3 and atherosclerosis among type 2 diabetic patients. Open Life Sci 2017. [DOI: 10.1515/biol-2017-0010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractType 2 diabetes is contemporarily a major social and epidemiological problem and among others is a strong risk factor for cardiovascular diseases. Pentraxin 3, a potential early biomarker of atherosclerosis, is an acute-phase reactant produced by the peripheral tissues where the inflammation takes place. In this study we examined a group of patients with type 2 diabetes with and without cardiovascular complications compared to persons with normal glucose tolerance (patients with cardiovascular complications and healthy volunteers). Plasma pentraxin 3 concentration as well as some basic biochemical blood analysis were performed. Moreover, transcranial and carotid Doppler ultrasound examination as well as transthoracic echocardiography were performed. It turned out that there was an association of plasma pentraxin 3 concentration and carotid atherosclerosis found in the control group of patients with cardiovascular complications but with normal glucose tolerance. In the group of patients with type 2 diabetes and cardiovascular complications we have found an association of plasma pentraxin 3 concentration with diastolic left ventricular dysfunction. Additionally, in the group of patients with type 2 diabetes without cardiovascular disease plasma pentraxin 3 concentration was associated with elevated urinary albumin creatinine ratio. Further studies, on a larger group of patients, are required to confirm these observations.
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Affiliation(s)
- Katarzyna Nabrdalik
- Department of Internal Medicine, Diabetology and Nephrology, ul. 3-go Maja 13-15Zabrze 41-800, Poland
| | - Artur Chodkowski
- Department of Internal Medicine, Diabetology and Nephrology in Zabrze, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Wojciech Bartman
- Department of Neurology in Zabrze, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Andrzej Tomasik
- Second Department of Cardiology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Hanna Kwiendacz
- Department of Internal Medicine, Diabetology and Nephrology in Zabrze, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Tomasz Sawczyn
- Department of Physiology in Zabrze, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Michał Kukla
- Department of Gastroenterology and Hepatology in Katowice, Medical University of Silesia, Katowice, Poland
| | - Władysław Grzeszczak
- Department of Internal Medicine, Diabetology and Nephrology in Zabrze, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
| | - Janusz Gumprecht
- Department of Internal Medicine, Diabetology and Nephrology in Zabrze, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland
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Bello-Perez M, Falco A, Medina R, Encinar JA, Novoa B, Perez L, Estepa A, Coll J. Structure and functionalities of the human c-reactive protein compared to the zebrafish multigene family of c-reactive-like proteins. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 69:33-40. [PMID: 27965017 DOI: 10.1016/j.dci.2016.12.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 12/05/2016] [Accepted: 12/05/2016] [Indexed: 06/06/2023]
Abstract
Because of the recent discovery of multiple c-reactive protein (crp)-like genes in zebrafish (Danio rerio) with predicted heterogeneous phospholipid-binding amino acid sequences and heterogeneous transcript expression levels in viral survivors and adaptive-deficient mutants, zebrafish constitute an attractive new model for exploring the evolution of these protein's functions, including their possible participation in fish trained immunity. Circulating human CRP belongs to the short pentraxin family of oligomeric proteins that are characteristic of early acute-phase innate responses and is widely used as a clinical inflammation marker. In contrast to pentameric human CRP (pCRP), zebrafish CRPs are trimeric (tCRP); however monomeric CRP (mCRP) conformations may also be generated when associated with cellular membranes as occurs in humans. Compared to human CRP, zebrafish CRP-like proteins show homologous amino acid sequence stretches that are consistent with, although not yet demonstrated, cysteine-dependent redox switches, calcium-binding spots, phosphocholine-binding pockets, C1q-binding domains, regions interacting with immunoglobulin Fc receptors (FcR), unique mCRP epitopes, mCRP binding peptides to cholesterol-enriched rafts, protease target sites, and/or binding sites to monocyte, macrophage, neutrophils, platelets and/or endothelial cells. Amino acid variations among the zebrafish CRP-like multiprotein family and derived isoforms in these stretches suggest that functional heterogeneity best fits the wide variety of aquatic pathogens. As occurs in humans, phospholipid-tagged tCRP-like multiproteins might also influence local inflammation and induce innate immune responses; however, in addition, different zebrafish tCRP-like proteins and/or isoforms might fine tune new still unknown functions. The information reviewed here could be of value for future studies not only to comparative but also medical immunologists and/or fisheries sectors. This review also introduces some novel speculations for future studies.
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Affiliation(s)
| | - Alberto Falco
- Universidad Miguel Hernández, UMH-IBMC, Elche, Spain.
| | - Regla Medina
- Universidad Miguel Hernández, UMH-IBMC, Elche, Spain.
| | | | - Beatriz Novoa
- Instituto de Investigaciones Marinas, CSIC, Vigo, España.
| | - Luis Perez
- Universidad Miguel Hernández, UMH-IBMC, Elche, Spain.
| | - Amparo Estepa
- Universidad Miguel Hernández, UMH-IBMC, Elche, Spain.
| | - Julio Coll
- Instituto Nacional Investigación y Tecnología Agrarias y Alimentarias, Dpto. Biotecnología. INIA. Madrid, Spain.
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Peña E, de la Torre R, Arderiu G, Slevin M, Badimon L. mCRP triggers angiogenesis by inducing F3 transcription and TF signalling in microvascular endothelial cells. Thromb Haemost 2016; 117:357-370. [PMID: 27808345 DOI: 10.1160/th16-07-0524] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 10/16/2016] [Indexed: 01/18/2023]
Abstract
Inflammation contributes to vascular disease progression. However, the role of circulating inflammatory molecules on microvascular endothelial cell (mECs) is not fully elucidated. The aim of this study was to investigate the effects of the short pentraxin CRP on microvascular endothelial cell angiogenic function. Subcutaneously implanted collagen plugs seeded with human mECs exposed to monomeric CRP (mCRP) in mice showed formation of an extended network of microvessels both in the plug and the overlying skin tissue, while mECs exposure to pentameric native CRP (nCRP) induced a much milder effect. To understand the mechanisms behind this angiogenic effects, mECs were exposed to both CRP forms and cell migration, wound repair and tube-like formation were investigated. nCRP effects were moderate and of slow-onset whereas mCRP induced rapid, and highly significant effects. We investigated how circulating nCRP is transformed into mCRP by confocal microscopy and western blot. nCRP is transformed into mCRP on the mECs membranes in a time dependent fashion. This transformation is specific and in part receptor dependent, and the formed mCRP triggers F3 gene transcription and TF-protein expression in mECs to induce angiogenesis. F3-silenced mECs are unable to form angiotubes. In agreement, mCRP induced upregulation of the TF signalling pathway in mECs with downstream phosphorylation of AKT and activation of the transcription factor ETS1 leading to increased CCL2 release. The circulating pentraxin nCRP with little pro-angiogenic effect when dissociated into mCRP on the surface of mECs is able to trigger potent proangiogenic effects by inducing F3-gene upregulation and TF signalling.
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Affiliation(s)
| | | | | | | | - Lina Badimon
- Prof. Lina Badimon, Cardiovascular Research Center, Hospital de la Santa Creu i Sant Pau, C/ Sant Antoni Mª Claret 167, 08025 Barcelona, Spain, Tel.: +34 93 556 58 80, Fax: +34 93 556 55 59, E-mail:
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Klotz SA, Sobonya RE, Lipke PN, Garcia-Sherman MC. Serum Amyloid P Component and Systemic Fungal Infection: Does It Protect the Host or Is It a Trojan Horse? Open Forum Infect Dis 2016; 3:ofw166. [PMID: 27704020 PMCID: PMC5047411 DOI: 10.1093/ofid/ofw166] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 07/28/2016] [Indexed: 02/07/2023] Open
Abstract
It is a striking observation that tissue of patients invaded by the deep mycoses often lacks evidence of an inflammatory response. This lack of host response is often attributed to neutropenia secondary to chemotherapy. However, systematic studies do not support this simplistic explanation. However, invasive fungal lesions are characterized by abundant fungal functional amyloid, which in turn is bound by serum amyloid P component (SAP). We postulate that SAP is important in the local immune response in invasive fungal infections. The interaction between fungal functional amyloid, SAP, and the immune response in deep mycoses is discussed.
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Affiliation(s)
| | | | - Peter N Lipke
- Department of Biology , City University of New York at Brooklyn
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Bane CE, Ivanov I, Matafonov A, Boyd KL, Cheng Q, Sherwood ER, Tucker EI, Smiley ST, McCarty OJT, Gruber A, Gailani D. Factor XI Deficiency Alters the Cytokine Response and Activation of Contact Proteases during Polymicrobial Sepsis in Mice. PLoS One 2016; 11:e0152968. [PMID: 27046148 PMCID: PMC4821616 DOI: 10.1371/journal.pone.0152968] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 03/22/2016] [Indexed: 11/18/2022] Open
Abstract
Sepsis, a systemic inflammatory response to infection, is often accompanied by abnormalities of blood coagulation. Prior work with a mouse model of sepsis induced by cecal ligation and puncture (CLP) suggested that the protease factor XIa contributed to disseminated intravascular coagulation (DIC) and to the cytokine response during sepsis. We investigated the importance of factor XI to cytokine and coagulation responses during the first 24 hours after CLP. Compared to wild type littermates, factor XI-deficient (FXI-/-) mice had a survival advantage after CLP, with smaller increases in plasma levels of TNF-α and IL-10 and delayed IL-1β and IL-6 responses. Plasma levels of serum amyloid P, an acute phase protein, were increased in wild type mice 24 hours post-CLP, but not in FXI-/- mice, supporting the impression of a reduced inflammatory response in the absence of factor XI. Surprisingly, there was little evidence of DIC in mice of either genotype. Plasma levels of the contact factors factor XII and prekallikrein were reduced in WT mice after CLP, consistent with induction of contact activation. However, factor XII and PK levels were not reduced in FXI-/- animals, indicating factor XI deficiency blunted contact activation. Intravenous infusion of polyphosphate into WT mice also induced changes in factor XII, but had much less effect in FXI deficient mice. In vitro analysis revealed that factor XIa activates factor XII, and that this reaction is enhanced by polyanions such polyphosphate and nucleic acids. These data suggest that factor XI deficiency confers a survival advantage in the CLP sepsis model by altering the cytokine response to infection and blunting activation of the contact (kallikrein-kinin) system. The findings support the hypothesis that factor XI functions as a bidirectional interface between contact activation and thrombin generation, allowing the two processes to influence each other.
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Affiliation(s)
- Charles E. Bane
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Ivan Ivanov
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Anton Matafonov
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, Tennessee, United States of America
- Department of Bioengineering and Organic Chemistry, Tomsk Polytechnic University, Tomsk, Russia
| | - Kelli L. Boyd
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Qiufang Cheng
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Edward R. Sherwood
- Department of Anesthesiology, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Erik I. Tucker
- Aronora, Inc., Portland, Oregon, United States of America
| | - Stephen T. Smiley
- National Institute of Allergy and Infectious Disease, Bethesda, Maryland, United States of America
| | - Owen J. T. McCarty
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Andras Gruber
- Aronora, Inc., Portland, Oregon, United States of America
- Department of Biomedical Engineering, Oregon Health & Science University, Portland, Oregon, United States of America
| | - David Gailani
- Department of Pathology, Microbiology and Immunology, Vanderbilt University, Nashville, Tennessee, United States of America
- * E-mail:
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Giusti L, Ciregia F, Bonotti A, Da Valle Y, Donadio E, Boldrini C, Foddis R, Giannaccini G, Mazzoni MR, Canessa PA, Cristaudo A, Lucacchini A. Comparative proteomic analysis of malignant pleural mesothelioma: Focusing on the biphasic subtype. EUPA OPEN PROTEOMICS 2016; 10:42-49. [PMID: 29900099 PMCID: PMC5988614 DOI: 10.1016/j.euprot.2016.01.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 01/11/2016] [Accepted: 01/13/2016] [Indexed: 12/28/2022]
Abstract
Malignant pleural mesothelioma (MPM) is a rare cancer originated from pleural mesothelial cells. MPM has been associated with long-term exposure to asbestos. In this work we performed a comparative proteomic analysis of biphasic pleural mesothelioma (B-PM). Tissue biopsies were obtained from 61 patients who were subjected to a diagnostic thoracoscopy. 2D/MS based approach was used for proteomic analysis. The 22 proteins found differentially expressed in B-PM, with respect to benign, were analyzed by Ingenuity Pathways Analysis and compared with those obtained for epitheliod pleural mesothelioma (E-PM). A different activation of transcription factors, proteins and cytokines were observed between two subtypes.
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Affiliation(s)
- Laura Giusti
- Department of Pharmacy, University of Pisa, Pisa, Italy
| | | | - Alessandra Bonotti
- Preventive and Occupational Medicine, University Hospital of Pisa, Pisa, Italy
| | | | - Elena Donadio
- Department of Pharmacy, University of Pisa, Pisa, Italy
| | | | - Rudy Foddis
- Department of Translational Research and of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | | | | | - Pier Aldo Canessa
- Dipartimento Ospedaliero Medico 2 dell ASL5 Spezzino, La Spezia, Italy
| | - Alfonso Cristaudo
- Department of Translational Research and of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
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Hansen MB, Rasmussen LS, Garred P, Bidstrup D, Madsen MB, Hyldegaard O. Pentraxin-3 as a marker of disease severity and risk of death in patients with necrotizing soft tissue infections: a nationwide, prospective, observational study. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2016; 20:40. [PMID: 26880104 PMCID: PMC4754810 DOI: 10.1186/s13054-016-1210-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 01/31/2016] [Indexed: 12/11/2022]
Abstract
Background New biomarkers are needed to assess the severity of necrotizing soft tissue infection (NSTI) at an early stage and to individualize treatment strategies. We assessed pentraxin-3 (PTX3) as a marker of disease severity and risk of death in patients with NSTI. Methods We conducted a prospective, observational study in the intensive care unit at Copenhagen University Hospital, where treatment of NSTI is centralized at a national level. We compared PTX3, procalcitonin and C-reactive protein in septic shock versus nonshock patients and in amputated versus nonamputated patients using the Mann-Whitney U test. The prognostic value of the markers for 180-day mortality was assessed using Cox regression analyses. Results Patients with NSTI (n = 135) were included over 25 months with up to 2.5-year follow-up; 71 % had septic shock, amputation was undertaken in 20 % and the 180-day mortality was 27 %. Baseline plasma PTX3 level was significantly higher in patients with septic shock (67.3 versus 24.6 ng/mL, p < 0.0001) and in patients who underwent amputation (118.6 versus 43.6 ng/mL, p = 0.019). No significant differences in baseline procalcitonin or C-reactive protein levels were found according to amputation (25.2 versus 7.0 μg/L, p = 0.060 and 202 versus 225 mg/L, p = 0.123), respectively. Baseline PTX3 level above the median was associated with death (p = 0.009, log-rank test) and the univariate Cox regression analysis revealed a significant association between PTX3 level upon admission and 180-day mortality (hazard ratio 2.60 (95 % confidence interval 1.28–5.29), p = 0.008). When adjusted for age, sex, chronic disease and Simplified Acute Physiology Score II, no significant association was found. Conclusions High PTX3 level is associated with septic shock, amputation and risk of death in patients with NSTI, but it is not an independent predictor of 180-day mortality in this patient group. Trial registration ClinicalTrials.gov Identifier: NCT02180906. Date of registration: June 29, 2014.
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Affiliation(s)
- Marco Bo Hansen
- Department of Anesthesia, Center of Head and Orthopedics, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, Copenhagen, DK-2100, Denmark. .,Hyperbaric Unit, Department of Anesthesia, Center of Head and Orthopedics, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, Copenhagen, DK-2100, Denmark.
| | - Lars Simon Rasmussen
- Department of Anesthesia, Center of Head and Orthopedics, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, Copenhagen, DK-2100, Denmark.
| | - Peter Garred
- Laboratory of Molecular Medicine, Department of Clinical Immunology, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, Copenhagen, DK-2100, Denmark.
| | - Daniel Bidstrup
- Hyperbaric Unit, Department of Anesthesia, Center of Head and Orthopedics, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, Copenhagen, DK-2100, Denmark.
| | - Martin Bruun Madsen
- Department of Intensive Care, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, Copenhagen, DK-2100, Denmark.
| | - Ole Hyldegaard
- Department of Anesthesia, Center of Head and Orthopedics, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, Copenhagen, DK-2100, Denmark. .,Hyperbaric Unit, Department of Anesthesia, Center of Head and Orthopedics, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, Copenhagen, DK-2100, Denmark.
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Xavier AM, Anunciato AKO, Rosenstock TR, Glezer I. Gene Expression Control by Glucocorticoid Receptors during Innate Immune Responses. Front Endocrinol (Lausanne) 2016; 7:31. [PMID: 27148162 PMCID: PMC4835445 DOI: 10.3389/fendo.2016.00031] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Accepted: 04/04/2016] [Indexed: 01/06/2023] Open
Abstract
Glucocorticoids (GCs) are potent anti-inflammatory compounds that have been extensively used in clinical practice for several decades. GC's effects on inflammation are generally mediated through GC receptors (GRs). Signal transduction through these nuclear receptors leads to dramatic changes in gene expression programs in different cell types, typically due to GR binding to DNA or to transcription modulators. During the last decade, the view of GCs as exclusive anti-inflammatory molecules has been challenged. GR negative interference in pro-inflammatory gene expression was a landmark in terms of molecular mechanisms that suppress immune activity. In fact, GR can induce varied inhibitory molecules, including a negative regulator of Toll-like receptors pathway, or subject key transcription factors, such as NF-κB and AP-1, to a repressor mechanism. In contrast, the expression of some acute-phase proteins and other players of innate immunity generally requires GR signaling. Consequently, GRs must operate context-dependent inhibitory, permissive, or stimulatory effects on host defense signaling triggered by pathogens or tissue damage. This review aims to disclose how contradictory or comparable effects on inflammatory gene expression can depend on pharmacological approach (including selective GC receptor modulators; SEGRMs), cell culture, animal treatment, or transgenic strategies used as models. Although the current view of GR-signaling integrated many advances in the field, some answers to important questions remain elusive.
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Affiliation(s)
- Andre Machado Xavier
- Department of Biochemistry, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | | | - Isaias Glezer
- Department of Biochemistry, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
- *Correspondence: Isaias Glezer,
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Santilli F, Guagnano MT, Innocenti P, Aceto L, Vazzana N, Lattanzio S, Liani R, Tripaldi R, Creato V, Romano M, Davì G. Pentraxin 3 and Platelet Activation in Obese Patients After Gastric Banding. Circ J 2016; 80:502-11. [DOI: 10.1253/circj.cj-15-0721] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Francesca Santilli
- Internal Medicine and Center of Excellence on Aging, “G. d’Annunzio” University of Chieti
| | - Maria Teresa Guagnano
- Internal Medicine and Center of Excellence on Aging, “G. d’Annunzio” University of Chieti
| | - Paolo Innocenti
- Unit of General and Laparoscopic Surgery, “G. d’Annunzio” University of Chieti
| | - Liberato Aceto
- Unit of General and Laparoscopic Surgery, “G. d’Annunzio” University of Chieti
| | - Natale Vazzana
- Internal Medicine and Center of Excellence on Aging, “G. d’Annunzio” University of Chieti
| | - Stefano Lattanzio
- Internal Medicine and Center of Excellence on Aging, “G. d’Annunzio” University of Chieti
| | - Rossella Liani
- Internal Medicine and Center of Excellence on Aging, “G. d’Annunzio” University of Chieti
| | - Romina Tripaldi
- Internal Medicine and Center of Excellence on Aging, “G. d’Annunzio” University of Chieti
| | - Valeria Creato
- Internal Medicine and Center of Excellence on Aging, “G. d’Annunzio” University of Chieti
| | - Mario Romano
- Molecular Medicine, “G. d’Annunzio” University of Chieti
| | - Giovanni Davì
- Internal Medicine and Center of Excellence on Aging, “G. d’Annunzio” University of Chieti
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Tziolos N, Kotanidou A, Orfanos SE. Biomarkers in infection and sepsis: Can they really indicate final outcome? Int J Antimicrob Agents 2015; 46 Suppl 1:S29-32. [PMID: 26607340 DOI: 10.1016/j.ijantimicag.2015.10.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Infectious diseases are among the most common reasons for admission to hospital and can easily lead to sepsis. Sepsis is globally associated with increased mortality, and although biomarkers could help clinicians in the early diagnosis of sepsis and immediate onset of antibiotics, there are always questions to be answered about their usefulness in the prognosis of infectious diseases. This article reviews some of the available biomarkers used in infectious diseases and sepsis in order to evaluate their utility to predict mortality and unfavourable outcome. Several studies present the pros and cons of each compound, but it is obvious that the ideal biomarker, with high sensitivity and specificity, cost effectiveness and with definite cut-off ranges and time of blood sampling, is yet to be found.
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Affiliation(s)
- Nikolaos Tziolos
- 4th Department of Internal Medicine, University of Athens Medical School, Athens, Greece
| | - Anastasia Kotanidou
- 1st Department of Critical Care, University of Athens Medical School, Athens, Greece
| | - Stylianos E Orfanos
- 2nd Department of Critical Care, University of Athens Medical School, Athens, Greece.
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