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Taha AM, Najah Q, Omar MM, Abouelmagd K, Ali M, Hasan MT, Allam SA, Hamam YA, Arian R, Abd-ElGawad M. Diagnostic and prognostic value of heparin-binding protein in sepsis: A systematic review and meta-analysis. Medicine (Baltimore) 2024; 103:e38525. [PMID: 38905400 PMCID: PMC11191987 DOI: 10.1097/md.0000000000038525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 05/17/2024] [Indexed: 06/23/2024] Open
Abstract
BACKGROUND Sepsis remains a leading cause of death worldwide. In this context, heparin-binding protein (HBP) has emerged as a possible biomarker, drawing significant attention for its diagnostic and prognostic usefulness in septic patients. Despite this advancement, the literature yields conflicting results. This study is intended to critically evaluate the diagnostic and prognostic value of HBP in critically ill septic patients. METHODS We searched multiple databases, including PubMed, SCOPUS, Web of Science, and EBSCO, to identify relevant studies on April 27, 2023. We included studies investigating sepsis or its severe outcomes that reported HBP levels and the required data to create 2 × 2 tables. We used R version 4.2.2 and R Studio to analyze the pooled diagnostic accuracy outcomes. The diagmeta package was utilized to calculate the optimum cutoff value. RESULTS In our meta-analysis, we incorporated 28 studies including 5508 patients. The analysis revealed that HBP has a sensitivity of 0.71 (95% CI: 0.60; 0.79) and a specificity of 0.68 (95% CI: 0.51; 0.81) in diagnosing sepsis, respectively. HBP demonstrated moderate prognostic accuracy for mortality at a cutoff value of 161.415 ng/mL, with a sensitivity and specificity of 72%, and for severe sepsis outcomes at a cutoff value of 58.907 ng/mL, with a sensitivity and specificity of 71%. CONCLUSION Our findings indicate a relatively moderate diagnostic and prognostic accuracy of HBP for sepsis. Future studies are required to verify the accuracy of HBP as a biomarker for sepsis.
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Affiliation(s)
| | - Qasi Najah
- Faculty of Medicine, University of EL-Mergib, Al Khums, Libya
| | | | - Khaled Abouelmagd
- Cardiology Department, Faculty of Medicine, Al-Azhar University, Egypt
| | - Mohammed Ali
- Faculty of Medicine, Al-Azhar University, Cairo, Egypt
| | | | | | - Yasser A. Hamam
- Faculty of Medicine, Al-Quds University, Jerusalem, Palestine
| | - Roua Arian
- Faculty of Medicine, University of Aleppo, Aleppo, Syria
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Halldorsdottir H, Lindbom L, Ebberyd A, Oldner A, Weitzberg E. The effect of heparins on plasma concentration of heparin-binding protein: a pilot study. BJA OPEN 2024; 9:100256. [PMID: 38318270 PMCID: PMC10839136 DOI: 10.1016/j.bjao.2023.100256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 12/17/2023] [Indexed: 02/07/2024]
Abstract
Background Neutrophil-derived heparin-binding protein (HBP) plays a role in the pathophysiology of impaired endothelial dysfunction during inflammation. HBP has been suggested as a predictor of organ dysfunction and disease progression in sepsis. We investigated the effects of heparins on plasma concentrations of HBP in patients undergoing surgery. Methods We studied three groups of patients receiving heparins during or after surgery. The vascular surgery group received 3000-7500 U, whereas the cardiac surgery group received 27 500-40 000 U. After major general surgery, the third group received 5000 U of low-molecular-weight heparin (LMWH) subcutaneously. Serial plasma HBP concentrations were measured after these treatments with two different methods: Axis-Shield ELISA and Joinstar FIC-Q100. In addition, plasma myeloperoxidase and syndecan-1 were measured in the cardiac surgery group. Results During vascular surgery, heparin induced a six-fold increase in HBP within 2 min, from 3.6 (2.4-5.4) to 21.4 (9.0-35.4) ng ml-1 (P<0.001). During cardiac surgery, the higher dose of heparin elevated HBP concentrations from 5.3 (2.7-6.1) to 48.7 (38.4-70.1) ng ml-1 (P<0.0001) within 3 min. Patients receiving LMWH showed an increase from a baseline of 5.7 (3.7-12.1) ng ml-1 to a peak HBP concentration of 14.8 (9.5-18.1) ng ml-1 (P<0.0001) after 3 h. Plasma concentrations of myeloperoxidase, but not syndecan-1, also responded with a rapid increase after heparin. There was a strong correlation between the two methods for HBP analysis (r=0.94). Conclusions Plasma concentrations of HBP increased rapidly and dose-dependently after heparin administration. Subcutaneous administration of LMWH increases plasma HBP, but to a lesser degree. Clinical trial registration ClinicalTrials.gov identifier: NCT04146493.
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Affiliation(s)
- Halla Halldorsdottir
- Department of Clinical Sciences, Division of Anaesthesia and Intensive Care, Karolinska Institutet, Danderyd Hospital, Danderyd, Sweden
- Department of Physiology and Pharmacology, Section of Anaesthesiology and Intensive Care, Karolinska Institutet, Stockholm, Sweden
| | - Lennart Lindbom
- Department of Physiology and Pharmacology, Section of Anaesthesiology and Intensive Care, Karolinska Institutet, Stockholm, Sweden
| | - Anette Ebberyd
- Department of Physiology and Pharmacology, Section of Anaesthesiology and Intensive Care, Karolinska Institutet, Stockholm, Sweden
| | - Anders Oldner
- Department of Physiology and Pharmacology, Section of Anaesthesiology and Intensive Care, Karolinska Institutet, Stockholm, Sweden
- Department of Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
| | - Eddie Weitzberg
- Department of Physiology and Pharmacology, Section of Anaesthesiology and Intensive Care, Karolinska Institutet, Stockholm, Sweden
- Department of Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
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Hemmann P, Kloppenburg L, Breinbauer R, Ehnert S, Blumenstock G, Reumann MK, Erne F, Jazewitsch J, Schwarz T, Baumgartner H, Histing T, Rollmann M, Nüssler AK. AZU1: a new promising marker for infection in orthopedic and trauma patients? EXCLI JOURNAL 2024; 23:53-61. [PMID: 38357095 PMCID: PMC10864703 DOI: 10.17179/excli2023-6705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/06/2023] [Indexed: 02/16/2024]
Abstract
Early and reliable detection of infection is vital for successful treatment. Serum markers such as C-reactive protein (CRP) and procalcitonin (PCT) are known to increase with a time lag. Azurocidin 1 (AZU1) has emerged as a promising marker for septic patients, but its diagnostic value in orthopedic and trauma patients remains unexplored. Between July 2020 and August 2023, all patients necessitating inpatient treatment for periprosthetic joint infection (PJI), peri-implant infection (II), soft tissue infection, chronic osteomyelitis, septic arthrodesis, bone non-union with and without infection were enrolled. Patients undergoing elective total joint arthroplasty (TJA) served as the control group. Blood samples were collected and analyzed for CRP, white blood cell count (WBC), PCT, and AZU1. Based on the inclusion and exclusion criteria 222 patients were included in the study (trauma = 38, soft tissue infection = 75, TJA = 33, PJI/II = 39, others = 37). While sensitivity and specificity were comparably high for AZU1 (0.734/0.833), CRP and PCT had higher specificity (0.542/1 and 0.431/1, respectively), and WBC a slightly higher sensitivity (0.814/0.455) for septic conditions. Taken together, the area under the curve (AUC) showed the highest accuracy for AZU1 (0.790), followed by CRP (0.776), WBC (0.641), and PCT (0.656). The Youden-Index was 0.57 for AZU1, 0.54 for CRP, 0.27 for WBC, and 0.43 for PCT. Elevated AZU1 levels effectively distinguished patients with a healthy condition from those suffering from infection. However, there is evidence suggesting that trauma may influence the release of AZU1. Additional research is needed to validate the diagnostic value of this new biomarker and further explore its potential clinical applications.
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Affiliation(s)
- Philipp Hemmann
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
| | - Lisa Kloppenburg
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Regina Breinbauer
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Sabrina Ehnert
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Gunnar Blumenstock
- Department of Clinical Epidemiology and Applied Biometry, University of Tuebingen, Tuebingen, Germany
| | - Marie K. Reumann
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Felix Erne
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Johann Jazewitsch
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Tobias Schwarz
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
| | - Heiko Baumgartner
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
| | - Tina Histing
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
| | - Mika Rollmann
- Department of Traumatology and Reconstructive Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Schnarrenbergstr. 95, 72076 Tuebingen, Germany
| | - Andreas K. Nüssler
- Siegfried Weller Institute for Trauma Research, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, 72076 Tuebingen, Germany
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Li Q, Li W, Chen M, Chai Y, Guan L, Chen Y. Association of vitamin D receptor gene polymorphism with the risk of sepsis: A systematic review and meta-analysis. Medicine (Baltimore) 2023; 102:e35130. [PMID: 37746941 PMCID: PMC10519506 DOI: 10.1097/md.0000000000035130] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/19/2023] [Accepted: 08/17/2023] [Indexed: 09/26/2023] Open
Abstract
BACKGROUND To investigate the association between sepsis and the vitamin D receptor (VDR) gene polymorphisms. METHODS Databases including PubMed, Cochrane Library, EMbase, CNKI, Wanfang Data, and VIP Data were systematically searched. The association was assessed using odds ratios (ORs), and 95% confidence intervals (CIs). The statistical tests were performed using Review Manager 5.4. RESULTS We identified a total of 5 studies. The relationship between VDR gene polymorphisms (Apa I, Bsm I, Taq I, and Fok I), and incidence of sepsis was investigated. The results of this meta-analysis showed that the allelic contrast model (F vs f, P = .03, OR = 0.65, 95% CI = 0.44-0.95), dominant genetic model (FF vs Ff + ff, P = .02, OR = 0.53, 95% CI = 0.30-0.91), and codominance genetic model (FF vs ff, P = .03, OR = 0.39, 95% CI = 0.16-0.91) of VDR Fok I locus increased the risk of sepsis, and the lack of association between the VDR Fok I gene polymorphism and the risk assessment of sepsis, based on the ethnic subgroup analysis, might be attributable to the small sample size. The risk of sepsis with Apa I, Bsm I, and Taq I did not appear to be correlated. CONCLUSION SUBSECTIONS This meta-analysis revealed that the VDR Fok I polymorphism is closely associated with the susceptibility to sepsis, and patients with sepsis have lower 25-hydroxyvitamin D levels. VDR Fok I gene mutations may change the risk of sepsis.
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Affiliation(s)
- Qian Li
- Guizhou University of Traditional Chinese Medicine, Guiyang City, Guizhou Province, China
| | - Wen Li
- Guizhou University of Traditional Chinese Medicine, Guiyang City, Guizhou Province, China
| | - Menglu Chen
- Guizhou University of Traditional Chinese Medicine, Guiyang City, Guizhou Province, China
| | - Yihui Chai
- Guizhou University of Traditional Chinese Medicine, Guiyang City, Guizhou Province, China
| | - Liancheng Guan
- The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang City, Guizhou Province, China
| | - Yunzhi Chen
- Guizhou University of Traditional Chinese Medicine, Guiyang City, Guizhou Province, China
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Finlay LDB, Conway Morris A, Deane AM, Wood AJT. Neutrophil kinetics and function after major trauma: A systematic review. World J Crit Care Med 2021; 10:260-277. [PMID: 34616661 PMCID: PMC8462018 DOI: 10.5492/wjccm.v10.i5.260] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 05/18/2021] [Accepted: 07/27/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Immune dysfunction following major traumatic injury is complex and strongly associated with significant morbidity and mortality through the development of multiple organ dysfunction syndrome (MODS), persistent inflammation, immunosuppression, and catabolism syndrome and sepsis. Neutrophils are thought to be a pivotal mediator in the development of immune dysfunction.
AIM To provide a review with a systematic approach of the recent literature describing neutrophil kinetics and functional changes after major trauma in humans and discuss hypotheses as to the mechanisms of the observed neutrophil dysfunction in this setting.
METHODS Medline, Embase and PubMed were searched on January 15, 2021. Papers were screened by two reviewers and those included had their reference list hand searched for additional papers of interest. Inclusion criteria were adults > 18 years old, with an injury severity score > 12 requiring admission to an intensive care unit. Papers that analysed major trauma patients as a subgroup were included.
RESULTS Of 107 papers screened, 48 were included in the review. Data were heterogeneous and most studies had a moderate to significant risk of bias owing to their observational nature and small sample sizes. Key findings included a persistently elevated neutrophil count, stereotyped alterations in cell-surface markers of activation, and the elaboration of heterogeneous and immunosuppressive populations of cells in the circulation. Some of these changes correlate with clinical outcomes such as MODS and secondary infection. Neutrophil phenotype remains a promising avenue for the development of predictive markers for immune dysfunction.
CONCLUSION Understanding of neutrophil phenotypes after traumatic injury is expanding. A greater emphasis on incorporating functional and clinically significant markers, greater uniformity in study design and assessment of extravasated neutrophils may facilitate risk stratification in patients affected by major trauma.
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Affiliation(s)
- Liam DB Finlay
- Melbourne Medical School, University of Melbourne, Melbourne 3052, Victoria, Australia
| | - Andrew Conway Morris
- Department of Medicine, University of Cambridge, Cambridge 01223, United Kingdom
| | - Adam M Deane
- Centre for Integrated Critical Care, University of Melbourne, Parkville 3052, Victoria, Australia
- Intensive Care Unit, Royal Melbourne Hospital, Parkville 3052, Victoria, Australia
| | - Alexander JT Wood
- Centre for Integrated Critical Care, University of Melbourne, Parkville 3052, Victoria, Australia
- Intensive Care Unit, Royal Melbourne Hospital, Parkville 3052, Victoria, Australia
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Feng YN, Xu ZH, Liu JT, Sun XL, Wang DQ, Yu Y. Intelligent prediction of RBC demand in trauma patients using decision tree methods. Mil Med Res 2021; 8:33. [PMID: 34024283 PMCID: PMC8142481 DOI: 10.1186/s40779-021-00326-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 05/11/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND The vital signs of trauma patients are complex and changeable, and the prediction of blood transfusion demand mainly depends on doctors' experience and trauma scoring system; therefore, it cannot be accurately predicted. In this study, a machine learning decision tree algorithm [classification and regression tree (CRT) and eXtreme gradient boosting (XGBoost)] was proposed for the demand prediction of traumatic blood transfusion to provide technical support for doctors. METHODS A total of 1371 trauma patients who were diverted to the Emergency Department of the First Medical Center of Chinese PLA General Hospital from January 2014 to January 2018 were collected from an emergency trauma database. The vital signs, laboratory examination parameters and blood transfusion volume were used as variables, and the non-invasive parameters and all (non-invasive + invasive) parameters were used to construct an intelligent prediction model for red blood cell (RBC) demand by logistic regression (LR), CRT and XGBoost. The prediction accuracy of the model was compared with the area under the curve (AUC). RESULTS For non-invasive parameters, the LR method was the best, with an AUC of 0.72 [95% confidence interval (CI) 0.657-0.775], which was higher than the CRT (AUC 0.69, 95% CI 0.633-0.751) and the XGBoost (AUC 0.71, 95% CI 0.654-0.756, P < 0.05). The trauma location and shock index are important prediction parameters. For all the prediction parameters, XGBoost was the best, with an AUC of 0.94 (95% CI 0.893-0.981), which was higher than the LR (AUC 0.80, 95% CI 0.744-0.850) and the CRT (AUC 0.82, 95% CI 0.779-0.853, P < 0.05). Haematocrit (Hct) is an important prediction parameter. CONCLUSIONS The classification performance of the intelligent prediction model of red blood cell transfusion in trauma patients constructed by the decision tree algorithm is not inferior to that of the traditional LR method. It can be used as a technical support to assist doctors to make rapid and accurate blood transfusion decisions in emergency rescue environment, so as to improve the success rate of patient treatment.
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Affiliation(s)
- Yan-Nan Feng
- Department of Transfusion Medicine, The First Medical Center of Chinese PLA General Hospital, No. 28, Fuxing Rd., Beijing, 100853 China
| | - Zhen-Hua Xu
- Beijing Hexing Chuanglian Health Technology Co., Ltd., Beijing, 100176 China
| | - Jun-Ting Liu
- Department of Transfusion Medicine, The First Medical Center of Chinese PLA General Hospital, No. 28, Fuxing Rd., Beijing, 100853 China
| | - Xiao-Lin Sun
- Department of Transfusion Medicine, The First Medical Center of Chinese PLA General Hospital, No. 28, Fuxing Rd., Beijing, 100853 China
| | - De-Qing Wang
- Department of Transfusion Medicine, The First Medical Center of Chinese PLA General Hospital, No. 28, Fuxing Rd., Beijing, 100853 China
| | - Yang Yu
- Department of Transfusion Medicine, The First Medical Center of Chinese PLA General Hospital, No. 28, Fuxing Rd., Beijing, 100853 China
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Xue M, Zeng Y, Qu HQ, Zhang T, Li N, Huang H, Zheng P, Hu H, Zhou L, Duan Z, Zhang Y, Bao W, Tian LF, Hakonarson H, Zhong N, Zhang XD, Sun B. Heparin-binding protein levels correlate with aggravation and multiorgan damage in severe COVID-19. ERJ Open Res 2021; 7:00741-2020. [PMID: 33564671 PMCID: PMC7667727 DOI: 10.1183/23120541.00741-2020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 11/04/2020] [Indexed: 12/15/2022] Open
Abstract
Background Critically ill coronavirus disease 2019 (COVID-19) patients may suffer persistent systemic inflammation and multiple organ failure, leading to a poor prognosis. Research question To examine the relevance of the novel inflammatory factor heparin-binding protein (HBP) in critically ill COVID-19 patients, and evaluate the correlation of the biomarker with disease progression. Study design and methods 18 critically ill COVID-19 patients who suffered from respiratory failure and sepsis, including 12 cases who experienced a rapidly deteriorating clinical condition and six cases without deterioration, were investigated. They were compared with 15 age- and sex- matched COVID-19-negative patients with respiratory failure. Clinical data were collected and HBP levels were investigated. Results HBP was significantly increased in critically ill COVID-19 patients following disease aggravation and tracked with disease progression. HBP elevation preceded the clinical manifestations for up to 5 days and was closely correlated with patients’ pulmonary ventilation and perfusion status. Interpretation HBP levels are associated with COVID-19 disease progression in critically ill patients. As a potential mediator of disease aggravation and multiple organ injuries that are triggered by continuing inflammation and oxygen deficits, HBP warrants further study as a disease biomarker and potential therapeutic target. For the first time, this study observed that heparin-binding protein (HBP) was significantly increased in critically ill COVID-19 patients during disease aggravation, which highlights HBP as a disease mediator and a potential therapeutic targethttps://bit.ly/35dz88C
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Affiliation(s)
- Mingshan Xue
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,These authors contributed equally
| | - Yifeng Zeng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,These authors contributed equally
| | - Hui-Qi Qu
- Arctic Therapeutics at University of Akureyri, Borgir, Akureyri, Iceland.,These authors contributed equally
| | - Teng Zhang
- Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Ning Li
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Huimin Huang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Peiyan Zheng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Haisheng Hu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Luqian Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zhifeng Duan
- Arctic Therapeutics at University of Akureyri, Borgir, Akureyri, Iceland
| | - Yong Zhang
- Arctic Therapeutics at University of Akureyri, Borgir, Akureyri, Iceland
| | - Wei Bao
- Arctic Therapeutics at University of Akureyri, Borgir, Akureyri, Iceland
| | - Li-Feng Tian
- Arctic Therapeutics at University of Akureyri, Borgir, Akureyri, Iceland
| | - Hakon Hakonarson
- Arctic Therapeutics at University of Akureyri, Borgir, Akureyri, Iceland.,Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Nanshan Zhong
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | | | - Baoqing Sun
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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