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Wang DC, Xu WD, Tang YY, Yang C, Li R, Wu GC, Huang AF. Neuropeptide Y, a potential marker for lupus, promotes lupus development. Int Immunopharmacol 2024; 126:111272. [PMID: 38006754 DOI: 10.1016/j.intimp.2023.111272] [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: 09/22/2023] [Revised: 11/17/2023] [Accepted: 11/18/2023] [Indexed: 11/27/2023]
Abstract
OBJECTIVE Relationship between neuropeptide Y (NPY) serum levels, NPY genetic mutation with systemic lupus erythematosus (SLE) pathogenesis is yet to be clarified, and role of NPY in development of SLE needs elucidation. METHOD This study included 460 SLE patients, 472 non-SLE cases, 500 healthy volunteers. Serum NPY, matrix metalloproteinase-1 (MMP-1) and MMP-8 levels were tested by ELISA. Genotyping 7 NPY single nucleotides polymorphisms (SNPs) (rs5573, rs5574, rs16129, rs16138, rs16140, rs16147, rs16478) was obtained by Kompetitive Allele-Specific PCR (KASP) method. Pristane-induced lupus mice were treated with NPY-Y1 receptor antagonist, and histological analysis, serological changes of the mice were evaluated. RESULTS NPY serum concentrations were significantly increased in SLE patients when compared to that in healthy volunteers, non-SLE cases. Rs5573 G allele, rs16129 T allele, rs16147 G allele frequencies were significantly different between SLE cases and healthy controls. Rs5574 TT + TC genotypes were related to levels of IgG, C3, C4 and erythrocyte sedimentation rate, and rs16138 GG + GC genotypes correlated with SLE cases with anti-double-stranded deoxyribonucleic acid antibody (anti-dsDNA) (+). Serum MMP-1, MMP-8 concentrations were higher in SLE patients, and NPY levels were significantly related to MMP-1, MMP-8 levels. After treatment of lupus mice with NPY-Y1 receptor antagonist, damage of liver, spleen and kidney was alleviated, production of autoantibodies (anti-nuclear antibody (ANA), total IgG, anti-dsDNA) and MMP-1, MMP-8 was down-regulated, and differentiation of CD3+, CD8+ T cells, B cells, monocytes, macrophages, T helper 1 (Th1), Th2, Th17 cells was reversed. CONCLUSION NPY may be a biomarker for lupus, which may promote occurrence and development of lupus.
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Affiliation(s)
- Da-Cheng Wang
- Department of Evidence-Based Medicine, Southwest Medical University, 1 Xianglin Road, Luzhou, Sichuan 646000, China
| | - Wang-Dong Xu
- Department of Evidence-Based Medicine, Southwest Medical University, 1 Xianglin Road, Luzhou, Sichuan 646000, China
| | - Yang-Yang Tang
- Department of Evidence-Based Medicine, Southwest Medical University, 1 Xianglin Road, Luzhou, Sichuan 646000, China
| | - Chan Yang
- Department of Evidence-Based Medicine, Southwest Medical University, 1 Xianglin Road, Luzhou, Sichuan 646000, China
| | - Rong Li
- Department of Evidence-Based Medicine, Southwest Medical University, 1 Xianglin Road, Luzhou, Sichuan 646000, China
| | - Guo-Cui Wu
- School of Nursing, Anhui Medical University, 15 Feicui Road, Hefei, Anhui 230601, China
| | - An-Fang Huang
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, 25 Taiping Road, Luzhou, Sichuan 646000, China.
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McDowell K, Adamson C, Jackson C, Campbell R, Welsh P, Petrie MC, McMurray JJV, Jhund PS, Herring N. Neuropeptide Y is elevated in heart failure and is an independent predictor of outcomes. Eur J Heart Fail 2024; 26:107-116. [PMID: 37937329 DOI: 10.1002/ejhf.3085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/17/2023] [Accepted: 11/04/2023] [Indexed: 11/09/2023] Open
Abstract
AIMS Neuropeptide Y (NPY) is the most abundant neuropeptide found in the heart and is released alongside norepinephrine following prolonged sympathetic activation, a process that is implicated in the pathophysiology of heart failure (HF). In patients with severely impaired left ventricular ejection fraction (LVEF) undergoing cardiac resynchronization therapy, higher levels of NPY measured in coronary sinus blood, are associated with poorer outcome. The aim was to examine the association of peripheral venous NPY levels and outcomes in a HF population with a range of LVEF, using a highly sensitive and specific assay. METHODS AND RESULTS The association between NPY and the composite outcome of cardiovascular death or HF hospitalization, its components, and all-cause mortality was examined using Cox regression analyses among 833 patients using a threshold of elevated NPY identified through binary recursive partitioning adjusted for prognostic variables including estimated glomerular filtration rate (eGFR), ejection fraction and B-type natriuretic peptide (BNP). The mean value of NPY was 25.8 ± 18.2 pg/ml. Patients with high NPY levels (≥29 pg/ml) compared with low values were older (73 ± 10 vs. 71 ± 11 years), more often male (58.5% vs. 55.6%), had higher BNP levels (583 [261-1096] vs. 440 [227-829] pg/ml), lower eGFR (46.4 ± 13.9 vs. 52.4 ± 11.7 ml/min/1.73 m2 ), and were more often treated with diuretics. There was no associated risk of HF hospitalization with NPY levels ≥29 vs. <29 pg/ml. Higher NPY levels were associated with a greater risk of cardiovascular and all-cause death (adjusted hazard ratio 1.56 [95% confidence interval 1.21-2.10], p = 0.003 and 1.30 [1.04-1.62], p = 0.02, respectively). There was no associated risk of HF hospitalization with higher NPY levels. CONCLUSIONS Peripherally measured NPY is an independent predictor of all-cause and cardiovascular death even after adjustment for other prognostic variables, including BNP.
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Affiliation(s)
- Kirsty McDowell
- BHF Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Carly Adamson
- BHF Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Colette Jackson
- BHF Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Ross Campbell
- BHF Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Paul Welsh
- BHF Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Mark C Petrie
- BHF Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - John J V McMurray
- BHF Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Pardeep S Jhund
- BHF Cardiovascular Research Centre, University of Glasgow, Glasgow, UK
| | - Neil Herring
- Department of Physiology, Anatomy and Genetics, British Heart Foundation Centre of Excellence, University of Oxford, Oxford, UK
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Al-Keilani MS, Almomani BA, Jaradat SA, Al-Sawalha NA, Qawasmeh MA. Alpha Calcitonin Gene-related Peptide, Neuropeptide Y, and Substance P as Biomarkers for Diagnosis and Disease Activity and Severity in Multiple Sclerosis. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:512-524. [PMID: 37013432 DOI: 10.2174/1871527322666230403130540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 01/26/2023] [Accepted: 01/31/2023] [Indexed: 04/05/2023]
Abstract
BACKGROUND Alpha calcitonin gene-related peptide (aCGRP), neuropeptide Y (NPY), and substance P (SP) are neuropeptides that have emerged recently as potent immunomodulatory factors with potential as novel biomarkers and therapeutic targets in multiple sclerosis (MS). OBJECTIVE The study aimed to detect serum levels of aCGRP, NPY, and SP in MS patients versus healthy controls and their association with disease activity and severity. METHODS Serum levels were measured in MS patients and age and sex-matched healthy controls using ELISA. RESULTS We included 67 MS patients: 61 relapsing-remitting MS (RR-MS) and 6 progressive MS (PR-MS), and 67 healthy controls. Serum NPY level was found to be lower in MS patients than in healthy controls (p < 0.001). Serum aCGRP level was higher in PR-MS compared to RR-MS (p = 0.007) and healthy controls (p = 0.001), and it positively correlated with EDSS (r = 0.270, p = 0.028). Serum NPY level was significantly higher in RR-MS and PR-MS than in healthy controls (p < 0.001 and p = 0.001, respectively), and it was lower in patients with mild or moderate/severe disease than in healthy controls (p < 0.001). Significant inverse correlations were found between SP level and MS disease duration (r = -0.279, p = 0.022) and duration of current DMT (r = -0.315, p = 0.042). CONCLUSION Lower serum levels of NPY were revealed in MS patients compared to healthy controls. Since serum levels of aCGRP are significantly associated with disease activity and severity, it is a potential disease progression marker.
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Affiliation(s)
- Maha S Al-Keilani
- Department of Clinical Pharmacy, College of Pharmacy, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
| | - Basima A Almomani
- Department of Clinical Pharmacy, College of Pharmacy, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
| | - Saied A Jaradat
- Department of Biotechnology and Genetic Engineering, College of Science and Art, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
| | - Nour A Al-Sawalha
- Department of Clinical Pharmacy, College of Pharmacy, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
| | - Majdi Al Qawasmeh
- Department of Neurology, College of Medicine, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
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Seibold JM, Abeykoon SW, Ross AE, White RJ. Development of an Electrochemical, Aptamer-Based Sensor for Dynamic Detection of Neuropeptide Y. ACS Sens 2023; 8:4504-4511. [PMID: 38033269 DOI: 10.1021/acssensors.3c00855] [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] [Indexed: 12/02/2023]
Abstract
The ability to monitor dynamic changes in neuropeptide Y (NPY) levels in complex environments can have an impact on many fields, including neuroscience and immunology. Here, we describe the development of an electrochemical, aptamer-based (E-AB) sensor for the dynamic (reversible) measurement of physiologically relevant (nanomolar) concentrations of neuropeptide Y. The E-AB sensors are fabricated using a previously described 80 nucleotide aptamer1 reported to specifically bind NPY with a binding affinity Kd = 0.3 ± 0.2 uM. We investigated two redox tag placement locations on the aptamer sequence (terminal vs internal) and various sensor fabrication and interrogation parameters to tune the performance of the resulting sensor. The best-performing sensor architecture displayed a physiologically relevant dynamic range (nM) and low limit of detection and is selective among competitors and similar molecules. The development of this sensor accomplishes two breakthroughs: first, the development of a nonmicrofluidic aptamer-based electrochemical sensor that can detect NPY on a physiologically relevant (seconds to minutes) time scale and across a relevant concentration range; second, the expansion of the range of molecules for which an electrochemical, aptamer-based sensor can be used.
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Affiliation(s)
- Jordan M Seibold
- Department of Chemistry, University of Cincinnati, 312 College Dr. 404 Crosley Tower, Cincinnati, Ohio 45221-0172, United States
| | - Sanduni W Abeykoon
- Department of Chemistry, University of Cincinnati, 312 College Dr. 404 Crosley Tower, Cincinnati, Ohio 45221-0172, United States
| | - Ashley E Ross
- Department of Chemistry, University of Cincinnati, 312 College Dr. 404 Crosley Tower, Cincinnati, Ohio 45221-0172, United States
| | - Ryan J White
- Department of Chemistry, University of Cincinnati, 312 College Dr. 404 Crosley Tower, Cincinnati, Ohio 45221-0172, United States
- Department of Electrical and Computer Engineering,University of Cincinnati,2901 Woodside Drive,Cincinnati,Ohio 45221, United States
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Pongratz G, Straub RH. [Role of the sympathetic nervous system in chronic inflammation]. Z Rheumatol 2023:10.1007/s00393-023-01387-6. [PMID: 37488245 DOI: 10.1007/s00393-023-01387-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2023] [Indexed: 07/26/2023]
Abstract
In this review article the current model of the interaction between the sympathetic nervous system (SNS) and the immune system in the context of chronic inflammation is presented. Mechanisms in the interaction between the SNS and the immune system are shown, which are similar for all disease entities: 1) the biphasic effect of the sympathetic system on the inflammatory response with a proinflammatory, stimulating effect before and during the activation of the immune system (early) and a more inhibitory effect in late phases of immune activation (chronic). 2) The interruption of communication between immune cells and the brain by withdrawal of sympathetic nerve fibers from areas of inflammation, such as the spleen, lymph nodes or peripheral foci of inflammation. 3) The local replacement of catecholamines by neurotransmitter-producing cells to fine-tune the local immune response independently of the brain. 4) Increased activity of the SNS due to an imbalance of the autonomic nervous system at the systemic level, which provides an explanation for known disease sequelae and comorbidities due to the long duration of chronic inflammatory reactions, such as increased cardiovascular risk with hypertension, diabetes mellitus and catabolic metabolism. The understanding of neuroimmune interactions can lead to new therapeutic approaches, e.g., a stimulation of beta-adrenergic and even more an inhibition of alpha-adrenergic receptors or a restoration of the autonomic balance in the context of arthritis ) can make an anti-inflammatory contribution (more influence of the vagus nerve); however, in order to translate the theoretical findings into clinical action that is beneficial for the patient, controlled interventional studies are required.
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Affiliation(s)
- Georg Pongratz
- Abteilung für Rheumatologie und klinische Immunologie der Klinik für Gastroenterologie und interventionelle Endoskopie, Krankenhaus Barmherzige Brüder Regensburg, Prüfeninger Str. 86, 93049, Regensburg, Deutschland.
- Medizinische Fakultät, der Universität Regensburg, Regensburg, Deutschland.
| | - Rainer H Straub
- Labor für Experimentelle Rheumatologie und Neuroendokrino-Immunologie, Klinik und Poliklinik für Innere Medizin I, Universitätsklinikum, Regensburg, Deutschland
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Nanoparticle-Mediated Signaling for Aptamer-Based Multiplexed Detection of Cortisol and Neuropeptide Y in Serum. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10050153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Multiplexed profiling of the expression of neurochemical biomarkers of stress, for periodic assessment to enable augmentation of human performance, requires wash-free detection platforms that exhibit reproducible signals from samples in biological matrices. However, alterations in aptamer conformation after binding to targets, such as cortisol, are minimal based on NMR spectra, and the methylene blue signaling is blocked by serum proteins. Hence, in this study, we explore aptamer derivatization with magnetic nanoparticles that are conjugated with multiple methylene blue moieties, to amplify signals and alter the net charge configuration for repulsing serum proteins, so that the aptamer conformation upon target recognition can lead to a signal ON assay in serum media. Based on this, a microchip platform with addressable electrodes that are immobilized with selective aptamer receptors is developed for multiplexed detection of cortisol (1–700 ng/mL) and neuropeptide Y (5–1000 pg/mL) in patient-derived serum samples, which is validated by immunoassays. We envision the application of this sensor for profiling a wider array of human performance biomarkers under stress-related events to develop stress augmentation methodologies.
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Identification of Synovial Fibroblast-Associated Neuropeptide Genes and m6A Factors in Rheumatoid Arthritis Using Single-Cell Analysis and Machine Learning. DISEASE MARKERS 2022; 2022:5114697. [PMID: 35186167 PMCID: PMC8849968 DOI: 10.1155/2022/5114697] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/13/2021] [Accepted: 01/03/2022] [Indexed: 12/13/2022]
Abstract
Objectives Synovial fibroblasts (SFs) play an important role in the development and progression of rheumatoid arthritis (RA). However, the pathogenic mechanism of SFs remains unclear. The objective of this study was to investigate how neuropeptides and N6-methyladenosine (m6A) played an important role in the underlying pathogenic processes of SFs that contribute to the development of RA. Methods Single-cell RNA sequencing data were examined using single-cell analysis and machine learning. SF subgroups were identified based on the clustering and annotation results of the single-cell analysis. Moreover, cell–cell communication was used to analyse neuropeptide-related receptor and ligand pairs on the surface of SF cell membranes. Machine learning was used to explore the m6A factors acting on these neuropeptide genes. Results NPR3, GHR, BDKRB2, and CALCRL, four neuropeptide genes, were shown to be differently expressed among SF subgroups. Further investigation of receptor–ligand interactions found that NPR3 (in conjunction with NPPC, OSTN, NPPB, and NPPA) and GHR (in conjunction with GH1 and GH2) may have a role in SF interactions. As predicted by machine learning, IGFBP2 and METTL3 were identified as key factors regulating m6A of NPR3 and GHR. The expression levels and enrichment pathways of METTL3 and IGFBP2 were different among SF subgroups. Conclusions Single-cell analysis and machine learning efficiently identified neuropeptide genes and m6A factors that perform important regulatory functions in RA. Our strategy may provide a basis for future studies to identify pathogenic cell subpopulations and molecular mechanisms in RA and other diseases.
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Chen QC, Zhang Y. The Role of NPY in the Regulation of Bone Metabolism. Front Endocrinol (Lausanne) 2022; 13:833485. [PMID: 35273572 PMCID: PMC8902412 DOI: 10.3389/fendo.2022.833485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 01/20/2022] [Indexed: 11/13/2022] Open
Abstract
Bone diseases are the leading causes of disability and severely compromised quality of life. Neuropeptide Y (NPY) is a multifunctional neuropeptide that participates in various physiological and pathological processes and exists in both the nerve system and bone tissue. In bone tissue, it actively participates in bone metabolism and disease progression through its receptors. Previous studies have focused on the opposite effects of NPY on bone formation and resorption through paracrine modes. In this review, we present a brief overview of the progress made in this research field in recent times in order to provide reference for further understanding the regulatory mechanism of bone physiology and pathological metabolism.
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Affiliation(s)
- Qing-Chang Chen
- Department of Ultrasound Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Molecular Imaging, Wuhan, China
| | - Yan Zhang
- Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Yan Zhang,
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Yuan S, Zheng S, Zheng K, Gao Y, Chen M, Li Y, Bai X. Sympathetic activity is correlated with satellite cell aging and myogenesis via β2-adrenoceptor. Stem Cell Res Ther 2021; 12:505. [PMID: 34530910 PMCID: PMC8447727 DOI: 10.1186/s13287-021-02571-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 08/26/2021] [Indexed: 02/09/2023] Open
Abstract
Background and objective Sympathetic activity plays an important role in the proliferation and differentiation of stem cells, and it changes over time, thereby exerting differential effects on various stem cell types. Aging causes sympathetic hyperactivity in aged tissues and blunts sympathetic nerves regulation, and sympathetic abnormalities play a role in aging-related diseases. Currently, the effect of sympathetic activity on skeletal muscle stem cells, namely satellite cells (SCs), is unclear. This study aimed to investigate the effects of skeletal muscle sympathetic activity on SC aging and skeletal muscle repair. Materials and methods To evaluate skeletal muscle and fibrotic areas, numbers of SCs and myonuclei per muscle fiber, β2-adrenoceptor (β2-ADR) expression, muscle repair, and sympathetic innervation in skeletal muscle, aged mice, young mice that underwent chemical sympathectomy (CS) were utilized. Mice with a tibialis anterior muscle injury were treated by barium chloride (BaCl2) and clenbuterol (CLB) in vivo. SCs or C2C12 cells were differentiated into myotubes and treated with or without CLB. Immunofluorescence, western blot, sirius red, and hematoxylin–eosin were used to evaluate SCs, myogenic repair and differentiation. Results The number of SCs, sympathetic activity, and reparability of muscle injury in aged mice were significantly decreased, compared with those in young mice. The above characteristics of young mice that underwent CS were similar to those of aged mice. While CLB promoted the repair of muscle injury in aged and CS mice and ameliorated the reduction in the SC number and sympathetic activity, the effects of CLB on the SCs and sympathetic nerves in young mice were not significant. CLB inhibited the myogenic differentiation of C2C12 cells in vitro. We further found that NF-κB and ERK1/2 signaling pathways were activated during myogenic differentiation, and this process could be inhibited by CLB. Conclusion Normal sympathetic activity promoted the stemness of SCs to thereby maintain a steady state. It also could maintain total and self-renewing number of SCs and maintain a quiescent state, which was correlated with skeletal SCs via β2-ADR. Normal sympathetic activity was also beneficial for the myogenic repair of injured skeletal muscle. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02571-8.
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Affiliation(s)
- Shiguo Yuan
- Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Center for Orthopaedic Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510630, China.,Department of Orthopaedic Surgery, Hainan Province Hospital of Traditional Chinese Medicine, Haikou, 570203, China
| | - Sheng Zheng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Kai Zheng
- School of Basic Medical Sciences, Youjiang Medical University for Nationalities, Baise, 533000, China
| | - Yanping Gao
- Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Center for Orthopaedic Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510630, China
| | - Meixiong Chen
- Department of Orthopaedic Surgery, Hainan Province Hospital of Traditional Chinese Medicine, Haikou, 570203, China
| | - Yikai Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, 510515, China.
| | - Xiaochun Bai
- Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Center for Orthopaedic Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510630, China.
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