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Ghondaghsaz E, Khalaji A, Norouzi M, Fraser DD, Alilou S, Behnoush AH. The utility of syndecan-1 circulating levels as a biomarker in patients with previous or active COVID-19: a systematic review and meta-analysis. BMC Infect Dis 2023; 23:510. [PMID: 37542221 PMCID: PMC10401738 DOI: 10.1186/s12879-023-08473-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 07/20/2023] [Indexed: 08/06/2023] Open
Abstract
BACKGROUND With the emergence of coronavirus disease of 2019 (COVID-19), several blood biomarkers have been identified, including the endothelial biomarker syndecan-1, a surface proteoglycan. In the current systematic review and meta-analysis, we aimed to assess the diagnostic and prognostic role of syndecan-1 in COVID-19. METHODS PubMed, Embase, Scopus, and Web of Science, as international databases, were searched for relevant studies measuring blood syndecan-1 levels in COVID-19 patients, COVID-19 convalescents, and healthy control subjects, in patients with different COVID-19 severities and/or in COVID-19 patients with poor outcomes. Random-effect meta-analysis was performed using STATA to calculate the standardized mean difference (SMD) and 95% confidence interval (CI) for the comparison between COVID-19 patients and healthy control subjects or COVID-19 convalescents and controls. RESULTS After screening by title/abstract and full text, 17 studies were included in the final review. Meta-analysis of syndecan-1 levels in COVID-19 compared with healthy control subjects revealed that patients with COVID-19 had significantly higher syndecan-1 levels (SMD 1.53, 95% CI 0.66 to 2.41, P < 0.01). In contrast, COVID-19 convalescent patients did not show significant difference with non-convalescents (SMD 0.08, 95% CI -0.63 to 0.78, P = 0.83). Regarding disease severity, two studies reported that more severe forms of the disease were associated with increased syndecan-1 levels. Moreover, patients who died from COVID-19 had higher syndecan-1 levels compared with survivors (SMD 1.22, 95% CI 0.10 to 2.33, P = 0.03). CONCLUSION Circulating syndecan-1 level can be used as a biomarker of endothelial dysfunction in COVID-19, as it was increased in COVID-19 patients and was higher in more severe instances of the disease. Further larger studies are needed to confirm these findings and further enlighten the role of syndecan-1 in clinical settings.
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Affiliation(s)
- Elina Ghondaghsaz
- Undergraduate Program in Neuroscience, University of British Columbia, Vancouver, BC Canada
| | - Amirmohammad Khalaji
- School of Medicine, Tehran University of Medical Sciences, Poursina St., Keshavarz Blvd, Tehran, 1417613151 Iran
| | - Mitra Norouzi
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Douglas D. Fraser
- Children’s Health Research Institute, London, ON Canada
- Lawson Health Research Institute, London, ON Canada
- Department of Pediatrics, Western University, London, ON Canada
- Department of Physiology & Pharmacology, Western University, London, ON Canada
- Department of Clinical Neurological Sciences, Western University, London, ON Canada
| | - Sanam Alilou
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Amir Hossein Behnoush
- School of Medicine, Tehran University of Medical Sciences, Poursina St., Keshavarz Blvd, Tehran, 1417613151 Iran
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Bol ME, Huckriede JB, van de Pas KGH, Delhaas T, Lorusso R, Nicolaes GAF, Sels JEM, van de Poll MCG. Multimodal measurement of glycocalyx degradation during coronary artery bypass grafting. Front Med (Lausanne) 2022; 9:1045728. [PMID: 36523784 PMCID: PMC9744810 DOI: 10.3389/fmed.2022.1045728] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 11/02/2022] [Indexed: 11/04/2023] Open
Abstract
Background Glycocalyx shedding and subsequent endothelial dysfunction occur in many conditions, such as in sepsis, in critical illness, and during major surgery such as in coronary artery bypass grafting (CABG) where it has been shown to associate with organ dysfunction. Hitherto, there is no consensus about the golden standard in measuring glycocalyx properties in humans. The objective of this study was to compare different indices of glycocalyx shedding and dysfunction. To this end, we studied patients undergoing elective CABG surgery, which is a known cause of glycocalyx shedding. Materials and methods Sublingual glycocalyx thickness was measured in 23 patients by: 1) determining the perfused boundary region (PBR)-an inverse measure of glycocalyx thickness-by means of sidestream dark field imaging technique. This is stated double, 2) measuring plasma levels of the glycocalyx shedding products syndecan-1, hyaluronan, and heparan sulfate and 3) measuring plasma markers of impaired glycocalyx function and endothelial activation (Ang-2, Tie-2, E-selectin, and thrombomodulin). Measurements were performed directly after induction, directly after onset of cardiopulmonary bypass (CPB), and directly after cessation of CPB. We assessed changes over time as well as correlations between the various markers. Results The PBR increased from 1.81 ± 0.21 μm after induction of anesthesia to 2.27 ± 0.25 μm (p < 0.0001) directly after CPB was initiated and did not change further during CPB. A similar pattern was seen for syndecan-1, hyaluronan, heparan sulfate, Ang-2, Tie-2, and thrombomodulin. E-selectin levels also increased between induction and the start of CPB and increased further during CPB. The PBR correlated moderately with heparan sulfate, E-selectin, and thrombomodulin and weakly with Syndecan-1, hyaluronan, and Tie-2. Shedding markers syndecan-1 and hyaluronan correlated with all functional markers. Shedding marker heparan sulfate only correlated with Tie-2, thrombomodulin, and E-selectin. Thrombomodulin correlated with all shedding markers. Conclusion Our results show that glycocalyx thinning, illustrated by increased sublingual PBR and increased levels of shedding markers, is paralleled with impaired glycocalyx function and increased endothelial activation in CABG surgery with CPB. As correlations between different markers were limited, no single marker could be identified to represent the glycocalyx in its full complexity.
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Affiliation(s)
- Martine E. Bol
- Department of Intensive Care Medicine, Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
- School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, Netherlands
| | - J. B. Huckriede
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands
| | - K. G. H. van de Pas
- Department of Intensive Care Medicine, Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
| | - T. Delhaas
- Department of Biomedical Engineering, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands
| | - R. Lorusso
- School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, Netherlands
- Department of Cardio-Thoracic Surgery, Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
| | - G. A. F. Nicolaes
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands
| | - J. E. M. Sels
- Department of Intensive Care Medicine, Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
- Department of Biomedical Engineering, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, Netherlands
- Department of Cardiology, Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
| | - M. C. G. van de Poll
- Department of Intensive Care Medicine, Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
- School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, Netherlands
- Department of Surgery, Maastricht University Medical Center (MUMC+), Maastricht, Netherlands
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Shaw KE, Bersenas AM, Bateman SW, Blois SL, Wood RD. Validation of a commercial human ELISA to measure hyaluronic acid concentration in feline plasma. J Vet Diagn Invest 2021; 34:86-89. [PMID: 34515601 DOI: 10.1177/10406387211044718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Our goal was to validate a human hyaluronic acid (HA) ELISA (Hyaluronic acid plus ELISA; TECOmedical Group) for use in feline plasma. Plasma from 5 healthy cats and 5 critically ill cats was used for validation of the assay. Validation methods performed included intra- and inter-assay variability, spike-and-recovery, and dilutional linearity. All measurements were performed in duplicate. The precision study revealed good intra-assay CV of 7.4-8.9%; inter-assay CV was 3.4-4.2%. Extraction efficiency via spiking tests yielded mean recovery of 89.6%. The assay met criteria for acceptable linearity using 3 serial dilutions. Our results demonstrate that this commercial HA ELISA had acceptable analytical performance using feline plasma and could be a useful tool in the veterinary clinical research setting.
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Affiliation(s)
- Kaela E Shaw
- Departments of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Alexa M Bersenas
- Departments of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Shane W Bateman
- Departments of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Shauna L Blois
- Departments of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - R Darren Wood
- Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
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A Randomized, Multicenter, Open-Label, Blinded End Point, Phase 2, Feasibility, Efficacy, and Safety Trial of Preoperative Microvascular Protection in Patients Undergoing Major Abdominal Surgery. Anesth Analg 2021; 133:1036-1047. [PMID: 34269720 DOI: 10.1213/ane.0000000000005667] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND The endothelial glycocalyx, a carbohydrate-rich layer coating all endothelial surfaces, plays a fundamental role in the function of microcirculation. The primary aim of this study was to evaluate the feasibility of using dexamethasone and albumin to protect the endothelial glycocalyx in patients undergoing abdominal surgery. Secondary and exploratory outcomes included efficacy and safety. METHODS We conducted a multicenter, open-label, blinded end point, phase 2, randomized trial. Patients undergoing colorectal, pancreas, or liver surgery were recruited and randomized to receive either intravenous dexamethasone (16 mg) and 20% albumin (100 mL) at induction of anesthesia, then 200 mL of 20% albumin with each subsequent 1000 mL of crystalloid administered (dexamethasone and albumin [Dex-Alb] group), or crystalloid fluid only with no dexamethasone (control group). Feasibility end points included patient recruitment and retention, consent rate, and successful study drug administration. The primary efficacy end point was the measurement of plasma syndecan-1 level on postoperative day (POD) 1, and secondary end points were heparan sulfate levels and inflammatory markers measured at 4 perioperative timepoints. Safety end points included errors in administration of the intervention, hyperglycemia, occurrence of postoperative complications, and patient retention. RESULTS Seventy-two patients were randomized. All feasibility end points were achievable. There were no statistically significant differences observed in median (interquartile range) syndecan-1 levels on POD 1 (39 ng·mL-1 [20-97] in the Dex-Alb group versus 41 ng·mL-1 [19-84] in the control group; difference in medians -2.1, 95% confidence interval [CI], -13 to 8.6; P = .69). The Dex-Alb group had lower POD 1 heparan sulfate levels (319 ng·mL-1 [161-717] in the Dex-Alb group versus 1422 [670-2430] ng·mL-1 in the control group; difference in medians -1085, 95% CI, -1779 to -391) and C-reactive protein (CRP) levels on POD 1 (48 [29-77] mg·L-1 in the Dex-Alb group versus 85 mg·L-1 [49-133] in the control group; difference in medians -48, 95% CI, -75 to -21). Fewer patients had one or more postoperative complication in the Dex-Alb group than in the control group (6 [17%] vs 18 patients [50%]; odds ratio = 0.2, 95% CI, 0.06-0.6). CONCLUSIONS Intravenous dexamethasone and albumin administration was feasible but did not reduce syndecan-1 on POD 1 in patients undergoing abdominal surgery. Given the clinically important CIs observed between the groups for heparan sulfate, CRP, and postoperative complications, a larger trial assessing the associations between dexamethasone and albumin administration and these outcomes is warranted.
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Plasma syndecan-1 is associated with fluid requirements and clinical outcomes in emergency department patients with sepsis. Am J Emerg Med 2021; 42:83-89. [PMID: 33493833 DOI: 10.1016/j.ajem.2021.01.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Degradation of the endothelial glycocalyx is recognized as a major part of the pathophysiology of sepsis. Previous clinical studies, mostly conducted in intensive care settings, showed associations between glycocalyx shedding and clinical outcomes. We aimed to explore the association of plasma syndecan-1, a marker of glycocalyx degradation, with the subsequent fluid requirements and clinical outcomes of emergency department patients with sepsis. METHODS This was a post hoc analysis of a randomized trial of fluid resuscitation in the emergency department. The study was conducted in the emergency department of an urban 1500-bed tertiary care center. The data of 95 adults who were diagnosed with sepsis-induced hypoperfusion and had undergone baseline syndecan-1 measurement were included. The syndecan-1 levels at baseline (T0) and hour 6 (T6) were studied to characterize their association with clinical outcomes, including subsequent fluid administration, organ failure outcomes and mortality. RESULTS The median syndecan-1 levels at T0 and T6 were 207 (IQR 135-438) and 207 (IQR 128-490) ng/ml, respectively. Syndecan-1 levels at T0 were correlated with baseline sequential organ failure assessment (SOFA) score (ρ = 0.35, p < 0.001). Syndecan-1 levels at both T0 and T6 were correlated with subsequent fluid administration over 24 and 72 h and associated with the diagnosis of septic shock, the maximum dose of vasopressors and the need for renal replacement therapy (p < 0.05). Higher syndecan-1 levels at T6 were associated with higher 90-day mortality (p = 0.03). CONCLUSIONS In the emergency department, syndecan-1 levels were associated with fluid requirements, sepsis severity, organ dysfunction, and mortality.
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