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Dundar MA, Torun YA, Cetin F, Oz HT. Endothelium-derived Microparticles Are Increased in Teenagers With Cobalamin Deficiency. J Pediatr Hematol Oncol 2022; 44:e918-e922. [PMID: 34387625 DOI: 10.1097/mph.0000000000002286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 06/16/2021] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Vitamin B 12 (cobalamin) deficiency may be a significant cause of hyperhomocysteinemia, and high homocysteine (Hcy) levels are associated with an increased risk of cardiovascular disease. Endothelium-derived microparticles (EMPs) are a new marker in endothelial dysfunction and atherosclerosis, which play a role in cardiovascular diseases' pathogenesis. This study aimed to evaluate the EMPs, the markers of endothelial dysfunction and atherosclerosis, and lipid profile in teenagers with cobalamin deficiency. MATERIALS AND METHODS This prospective study included 143 teenagers, 75 vitamin B 12 deficient patients and 68 healthy controls between 11 and 18 years of age. Routine laboratory tests, hemogram, vitamin B 12 , folic acid, ferritin, Hcy, lipid profile and EMPs were examined and compared. EMP subgroups were analyzed by flow cytometry method according to the expression of membrane-specific antigens. The microparticles released from the endothelium studied were VE-cadherin (CD144), S-endo1 (CD146), and Endoglin (CD105). RESULTS The present study demonstrates that circulating CD105+ EMP, CD144+ EMP, CD146+ EMPs, and Hcy were increased, and high-density lipoprotein (HDL) cholesterol was reduced in teenagers with cobalamin deficiency. Vitamin B 12 showed a negative correlation with EMPs and Hcy, positive correlation with folate and HDL. All EMPs showed a significant positive correlation with triglyceride, vitamin B 12 , and HDL. CONCLUSION Vitamin B 12 deficiency may predispose to endothelial damage and atherosclerosis by increasing EMPs and harms lipid metabolism in the long term.
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Affiliation(s)
- Mehmet A Dundar
- Division of Pediatric İntensive Care, Department of Pediatrics, Erciyes University
| | - Yasemin A Torun
- Division of Pediatric Hematology, Department of Pediatrics, Istinye University, Istanbul, Turkey
| | - Feyza Cetin
- Department of Microbiology, Medical Health University Kayseri Training and Research Hospital, Kayseri
| | - Hatice T Oz
- Department of Microbiology, Medical Health University Kayseri Training and Research Hospital, Kayseri
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Santos-Gomes J, Gandra I, Adão R, Perros F, Brás-Silva C. An Overview of Circulating Pulmonary Arterial Hypertension Biomarkers. Front Cardiovasc Med 2022; 9:924873. [PMID: 35911521 PMCID: PMC9333554 DOI: 10.3389/fcvm.2022.924873] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 06/21/2022] [Indexed: 11/16/2022] Open
Abstract
Pulmonary arterial hypertension (PAH), also known as Group 1 Pulmonary Hypertension (PH), is a PH subset characterized by pulmonary vascular remodeling and pulmonary arterial obstruction. PAH has an estimated incidence of 15-50 people per million in the United States and Europe, and is associated with high mortality and morbidity, with patients' survival time after diagnosis being only 2.8 years. According to current guidelines, right heart catheterization is the gold standard for diagnostic and prognostic evaluation of PAH patients. However, this technique is highly invasive, so it is not used in routine clinical practice or patient follow-up. Thereby, it is essential to find new non-invasive strategies for evaluating disease progression. Biomarkers can be an effective solution for determining PAH patient prognosis and response to therapy, and aiding in diagnostic efforts, so long as their detection is non-invasive, easy, and objective. This review aims to clarify and describe some of the potential new candidates as circulating biomarkers of PAH.
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Affiliation(s)
- Joana Santos-Gomes
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Inês Gandra
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Rui Adão
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Frédéric Perros
- Paris-Porto Pulmonary Hypertension Collaborative Laboratory (3PH), UMR_S 999, INSERM, Université Paris-Saclay, Paris, France
- Université Paris–Saclay, AP-HP, INSERM UMR_S 999, Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital de Bicêtre, Le Kremlin Bicêtre, France
| | - Carmen Brás-Silva
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Porto, Portugal
- Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal
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Markopoulou P, Papanikolaou E, Loukopoulou S, Galina P, Papassotiriou I, Siahanidou T. Elevated circulating endothelial microparticles (EMPs) in prepubertal children born preterm. Pediatr Res 2022; 91:1754-1761. [PMID: 34285352 DOI: 10.1038/s41390-021-01655-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/14/2021] [Accepted: 06/11/2021] [Indexed: 11/09/2022]
Abstract
BACKGROUND Endothelial microparticles (EMPs) act as early biomarkers of endothelial activation and damage. No studies have investigated EMPs in preterm-born individuals. METHODS Sixty-three preterm-born children and 52 children born full-term (controls) were studied. Circulating CD62E(+), CD144(+), and CD31(+)/CD42b(-) EMPs were measured in preterm-born children compared to controls; possible associations with cardiovascular risk factors and endothelial function parameters were also assessed. RESULTS Circulating CD62E(+), CD144(+), and CD31(+)/CD42b(-) EMPs were significantly higher in preterm-born children compared to controls (p = 0.003, p < 0.001, and p < 0.001, respectively). Preterm birth was recognized as an independent predictor of each EMP subpopulation studied; moreover, the mean pressure and velocity of pulmonary artery were independently correlated with CD62E(+) (β = 0.20, p = 0.04) and CD144(+) EMPs (β = 0.22, p = 0.02), respectively, whereas age (β = 0.21, p = 0.03) and being born SGA (β = 0.26, p = 0.01) correlated independently with CD31(+)/CD42b(-) EMPs in the study population. Furthermore, diastolic blood pressure (β = 0.24, p = 0.04), being born SGA (β = 0.24, p = 0.04) and the hyperemic peak velocity of the brachial artery (β = -0.65, p = 0.02) were independently associated with CD31(+)/CD42b(-) EMPs in the preterm-born group. CONCLUSION Circulating EMPs were higher in preterm-born children compared to children born full-term. Whether EMPs could act, in clinical practice, as a complementary tool for non-invasive evaluation of endothelium in preterm-born children, remains under investigation. IMPACT Circulating endothelial microparticles (EMPs) are small membrane vesicles released from endothelial cells and they act as novel biomarkers of endothelial activation and damage. No studies have investigated circulating EMPs in preterm-born individuals. Circulating EMPs were significantly higher in prepubertal preterm-born children compared to children born at term. In the preterm-born group, the hyperemic peak velocity of the brachial artery was independently associated with CD31(+)/CD42b(-) EMPs. Whether assessment of circulating EMPs could act, in clinical practice, as a complementary tool for non-invasive evaluation of endothelium in preterm-born children, remains to be defined in future investigations.
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Affiliation(s)
- Panagiota Markopoulou
- Neonatal Unit, First Department of Pediatrics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Eleni Papanikolaou
- Laboratory of Biology, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Sofia Loukopoulou
- Department of Cardiology, "Aghia Sofia" Children's Hospital, Athens, Greece
| | - Paraskevi Galina
- Radiology Department, "Aghia Sofia" Children's Hospital, Athens, Greece
| | - Ioannis Papassotiriou
- Department of Clinical Biochemistry, "Aghia Sofia" Children's Hospital, Athens, Greece
| | - Tania Siahanidou
- Neonatal Unit, First Department of Pediatrics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
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Abstract
Microparticles are a distinctive group of small vesicles, without nucleus, which are involved as significant modulators in several physiological and pathophysiological mechanisms. Plasma microparticles from various cellular lines have been subject of research. Data suggest that they are key players in development and manifestation of cardiovascular diseases and their presence, in high levels, is associated with chronic inflammation, endothelial damage and thrombosis. The strong correlation of microparticle levels with several outcomes in cardiovascular diseases has led to their utilization as biomarkers. Despite the limited clinical application at present, their significance emerges, mainly because their detection and enumeration methods are improving. This review article summarizes the evidence derived from research, related with the genesis and the function of microparticles in the presence of various cardiovascular risk factors and conditions. The current data provide a substrate for several theories of how microparticles influence various cellular mechanisms by transferring biological information.
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Affiliation(s)
- Christos Voukalis
- a Institute of Cardiovascular Sciences , University of Birmingham , Birmingham , UK
| | - Eduard Shantsila
- a Institute of Cardiovascular Sciences , University of Birmingham , Birmingham , UK
| | - Gregory Y H Lip
- b Liverpool Centre for Cardiovascular Science , University of Liverpool and Liverpool Heart & Chest Hospital , Liverpool , UK.,c Department of Clinical Medicine, Aalborg Thrombosis Research Unit , Aalborg University , Aalborg , Denmark
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Deng F, Wang S, Xu R, Yu W, Wang X, Zhang L. Endothelial microvesicles in hypoxic hypoxia diseases. J Cell Mol Med 2018; 22:3708-3718. [PMID: 29808945 PMCID: PMC6050493 DOI: 10.1111/jcmm.13671] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 03/26/2018] [Indexed: 01/06/2023] Open
Abstract
Hypoxic hypoxia, including abnormally low partial pressure of inhaled oxygen, external respiratory dysfunction-induced respiratory hypoxia and venous blood flow into the arterial blood, is characterized by decreased arterial oxygen partial pressure, resulting in tissue oxygen deficiency. The specific characteristics include reduced arterial oxygen partial pressure and oxygen content. Hypoxic hypoxia diseases (HHDs) have attracted increased attention due to their high morbidity and mortality and mounting evidence showing that hypoxia-induced oxidative stress, coagulation, inflammation and angiogenesis play extremely important roles in the physiological and pathological processes of HHDs-related vascular endothelial injury. Interestingly, endothelial microvesicles (EMVs), which can be induced by hypoxia, hypoxia-induced oxidative stress, coagulation and inflammation in HHDs, have emerged as key mediators of intercellular communication and cellular functions. EMVs shed from activated or apoptotic endothelial cells (ECs) reflect the degree of ECs damage, and elevated EMVs levels are present in several HHDs, including obstructive sleep apnoea syndrome and chronic obstructive pulmonary disease. Furthermore, EMVs have procoagulant, proinflammatory and angiogenic functions that affect the pathological processes of HHDs. This review summarizes the emerging roles of EMVs in the diagnosis, staging, treatment and clinical prognosis of HHDs.
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Affiliation(s)
- Fan Deng
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Shuang Wang
- Dongfeng General Hospital, Hubei University of Medicine, Shiyan, China
| | - Riping Xu
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Wenqian Yu
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Institute of Anesthesiology, Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Xianyu Wang
- Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
- Institute of Anesthesiology, Department of Anesthesiology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Liangqing Zhang
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
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Yel S, Dursun İ, Çetin F, Baştuğ F, Tülpar S, Düşünsel R, Gündüz Z, Poyrazoğlu H, Yılmaz K. Increased circulating endothelial microparticles in children with FMF. Biomarkers 2018; 23:558-562. [PMID: 29611726 DOI: 10.1080/1354750x.2018.1460764] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE Endothelial microparticles (EMPs) are considered as markers of endothelial dysfunction. In this study, we aimed to examine whether there is endothelial dysfunction in children with familial Mediterranean fever (FMF), hypothesizing that endothelial dysfunction would be present especially with acute-phase response in the active period of the disease. METHODS This cross-sectional study included 65 FMF patients (41 attack free, 24 attack period) and 35 healthy controls. Circulating EMPs, serum amyloid A (SAA), and other inflammation markers were measured in all groups. Circulating EMPs were measured using flow cytometry. Study groups were compared for circulating EMP and inflammatory markers. The relationship between EMPs and the activation of the disease was evaluated. RESULTS The levels of CD144+ and CD146+ EMPs in the FMF attack period group were significantly higher than those of the control group (p < 0.05). The levels of inflammation markers in the attack period group were significantly higher than those of the control and attack-free groups (p < 0.05). In the FMF attack group, the CD144+ and CD146+ EMP were significantly correlated with CRP. CONCLUSIONS Our results suggest that endothelial damage is present especially in the active period of the disease in children with FMF. The endothelial dysfunction becomes an overt parallel with inflammation.
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Affiliation(s)
- Sibel Yel
- a Department of Pediatric Nephrology , Kayseri Education and Research Hospital , Kayseri , Turkey
| | - İsmail Dursun
- b Department of Pediatric Nephrology , Erciyes University Faculty of Medicine , Kayseri , Turkey
| | - Feyza Çetin
- c Department of Microbiology , Kayseri Education and Research Hospital , Kayseri , Turkey
| | - Funda Baştuğ
- a Department of Pediatric Nephrology , Kayseri Education and Research Hospital , Kayseri , Turkey
| | - Sebahat Tülpar
- b Department of Pediatric Nephrology , Erciyes University Faculty of Medicine , Kayseri , Turkey
| | - Ruhan Düşünsel
- b Department of Pediatric Nephrology , Erciyes University Faculty of Medicine , Kayseri , Turkey
| | - Zübeyde Gündüz
- b Department of Pediatric Nephrology , Erciyes University Faculty of Medicine , Kayseri , Turkey
| | - Hakan Poyrazoğlu
- b Department of Pediatric Nephrology , Erciyes University Faculty of Medicine , Kayseri , Turkey
| | - Kenan Yılmaz
- b Department of Pediatric Nephrology , Erciyes University Faculty of Medicine , Kayseri , Turkey
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