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Cai C, Min S, Yan B, Liu W, Yang X, Li L, Wang T, Jin A. Retraction: MiR-27a promotes the autophagy and apoptosis of IL-1β treated-articular chondrocytes in osteoarthritis through PI3K/AKT/mTOR signaling. Aging (Albany NY) 2024; 16:1981-1982. [PMID: 38289967 PMCID: PMC10866444 DOI: 10.18632/aging.204906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 01/13/2024] [Indexed: 02/01/2024]
Affiliation(s)
- Chen Cai
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Shaoxiong Min
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Bo Yan
- Department of Spine Surgery, The Third Affliated Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Wen Liu
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiao Yang
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Liuxun Li
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Ting Wang
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, Guangdong, China
| | - Anmin Jin
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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Li S, Li L, Min S, Liu S, Qin Z, Xiong Z, Xu J, Wang B, Ding D, Zhao S. [Soybean isoflavones alleviate cerebral ischemia/reperfusion injury in rats by inhibiting ferroptosis and inflammatory cascade reaction]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:323-330. [PMID: 36946055 PMCID: PMC10034535 DOI: 10.12122/j.issn.1673-4254.2023.02.23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
OBJECTIVE To explore the mechanism that mediates the effect of soybean isoflavones (SI) against cerebral ischemia/reperfusion (I/R) injury in light of the regulation of regional cerebral blood flow (rCBF), ferroptosis, inflammatory response and blood-brain barrier (BBB) permeability. METHODS A total of 120 male SD rats were equally randomized into sham-operated group (Sham group), cerebral I/R injury group and SI pretreatment group (SI group). Focal cerebral I/R injury was induced in the latter two groups using a modified monofilament occlusion technique, and the intraoperative changes of real-time cerebral cortex blood flow were monitored using a laser Doppler flowmeter (LDF). The postoperative changes of cerebral pathological morphology and the ultrastructure of the neurons and the BBB were observed with optical and transmission electron microscopy. The neurological deficits of the rats was assessed, and the severities of cerebral infarction, brain edema and BBB disruption were quantified. The contents of Fe2+, GSH, MDA and MPO in the ischemic penumbra were determined with spectrophotometric tests. Serum levels of TNF-α and IL-1βwere analyzed using ELISA, and the expressions of GPX4, MMP-9 and occludin around the lesion were detected with Western blotting and immunohistochemistry. RESULTS The rCBF was sharply reduced in the rats in I/R group and SI group after successful insertion of the monofilament. Compared with those in Sham group, the rats in I/R group showed significantly increased neurological deficit scores, cerebral infarction volume, brain water content and Evans blue permeability (P < 0.01), decreased Fe2+ level, increased MDA level, decreased GSH content and GPX4 expression (P < 0.01), increased MPO content and serum levels of TNF-α and IL-1β (P < 0.01), increased MMP-9 expression and lowered occludin expression (P < 0.01). All these changes were significantly ameliorated in rats pretreated with IS prior to I/R injury (P < 0.05 or 0.01). CONCLUSION SI preconditioning reduces cerebral I/R injury in rats possibly by improving rCBF, inhibiting ferroptosis and inflammatory response and protecting the BBB.
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Affiliation(s)
- S Li
- Department of Clinical Medicine, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - L Li
- Department of Pathophysiology, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - S Min
- Department of Pathophysiology, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - S Liu
- Department of Pathophysiology, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - Z Qin
- Department of Clinical Medicine, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - Z Xiong
- Department of Clinical Medicine, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - J Xu
- Department of Clinical Medicine, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - B Wang
- Department of Clinical Medicine, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - D Ding
- Department of Pathophysiology, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
| | - S Zhao
- Department of Pathophysiology, Bengbu Medical College, Bengbu 233000, China
- Key Laboratory of Basic and Clinical Cardiovascular and Cerebrovascular Diseases, Bengbu Medical College, Bengbu 233000, China
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Clayton S, Graham B, Fildes K, Min S, Keighley C. Evaluating vitamin D levels during the NSW 2020 COVID-19 lockdown. Pathology 2023. [DOI: 10.1016/j.pathol.2022.12.274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Shi B, Zhu Z, He H, Jin A, Zhou C, Min S, Shu X, Cao Y, Chen Z, Zhu L. Effects of Pretreatment of the Dorsal Meningovertebral Ligaments on the Incidence of Intraoperative Cerebrospinal Fluid Leakage: A Comparative Study. Orthopedics 2023; 46:e66-e71. [PMID: 36206508 DOI: 10.3928/01477447-20221003-02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Cerebrospinal fluid leakage can lead to postoperative refractory headaches and meningitis. Dural injury is the main cause of postoperative cerebrospinal fluid leakage. Previously, we performed a comprehensive anatomic study on the dorsal meningovertebral ligaments in the lumbosacral regions and concluded that these ligaments are an anatomic factor leading to dural laceration. However, no clinical study has examined the relationship between dorsal meningovertebral ligaments and the incidence of intraoperative cerebrospinal fluid leakage. The goal of this study was to investigate the effect of prophylactic intraoperative pretreatment of the meningovertebral ligaments on the incidence of cerebrospinal fluid leakage during surgery. [Orthopedics. 2023;46(1):e66-e71.].
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Huang S, Min S, Wang S, Jin A. Biomechanical effects of an oblique lumbar interbody fusion combined with posterior augmentation: a finite element analysis. BMC Musculoskelet Disord 2022; 23:611. [PMID: 35761228 PMCID: PMC9235194 DOI: 10.1186/s12891-022-05553-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 06/06/2022] [Indexed: 11/18/2022] Open
Abstract
Background Oblique lateral interbody fusion (OLIF) is widely used to treat lumbar degenerative disc disease. This study aimed to evaluate the biomechanical stability of OLIF, OLIF including posterior pedicle screw and rod (PSR), and OLIF including cortical screw and rod (CSR) instrumentation through finite element analysis. Methods A complete L2-L5 finite element model of the lumbar spine was constructed. Surgical models of OLIF, such as stand-alone, OLIF combined with PSR, and OLIF combined with CSR were created in the L3-L4 surgical segments. Range of motion (ROM), end plate stress, and internal fixation peak stress were compared between different models under the same loading conditions. Results Compared to the intact model, ROM was reduced in the OLIF model under all loading conditions. The surgical models in order of increasing ROM were PSR, CSR, and stand-alone; however, the difference in ROM between BPS and CSR was less than 0.4° and was not significant under any loading conditions. The stand-alone model had the highest stress on the superior L4 vertebral body endplate under all loading conditions, whereas the end plate stress was relatively low in the BPS and CSR models. The CSR model had the highest internal fixation stress, concentrated primarily at the end of the screw. Conclusions OLIF alone significantly reduces ROM but does not provide sufficient stability. Addition of posterior PSR or CSR internal fixation instrumentation to OLIF surgery can significantly improve biomechanical stability of the segment undergoing surgery.
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Zhao S, Mo X, Wen Z, Ren L, Chen Z, Lin W, Wang Q, Min S, Chen B. Comprehensive bioinformatics analysis reveals the hub genes and pathways associated with multiple myeloma. Hematology 2022; 27:280-292. [PMID: 35192775 DOI: 10.1080/16078454.2022.2040123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
PURPOSE While the prognosis of multiple myeloma (MM) has significantly improved over the last decade because of new treatment options, it remains incurable. Aetiological explanations and biological targets based on genomics may provide additional help for rational disease intervention. MATERIALS AND METHODS Three microarray datasets associated with MM were downloaded from the Gene Expression Omnibus (GEO) database. GSE125364 and GSE39754 were used as the training set, and GSE13591 was used as the verification set. The differentially expressed genes (DEGs) were obtained from the training set, and Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses were performed to annotate their functions. The hub genes were derived from the combined results of a protein-protein interaction (PPI) network and weighted gene coexpression network analysis (WGCNA). The receiver operating characteristic (ROC) curves of hub genes were plotted to evaluate their clinical diagnostic value. Biological processes and signaling pathways associated with hub genes were explained by gene set enrichment analysis (GSEA). RESULTS A total of 1759 DEGs were identified. GO and KEGG pathway analyses suggested that the DEGs were related to the process of protein metabolism. RPN1, SEC61A1, SPCS1, SRPR, SRPRB, SSR1 and TRAM1 were proven to have clinical diagnostic value for MM. The GSEA results suggested that the hub genes were widely involved in the N-glycan biosynthesis pathway. CONCLUSION The hub genes identified in this study can partially explain the potential molecular mechanisms of MM and serve as candidate biomarkers for disease diagnosis.
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Affiliation(s)
- Shengli Zhao
- Department of Spine Surgery, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, People's Republic of China
| | - Xiaoyi Mo
- Department of Spine Surgery, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, People's Republic of China
| | - Zhenxing Wen
- Department of Spine Surgery, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, People's Republic of China
| | - Lijuan Ren
- Molecular Diagnosis and Gene Testing Center, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Zhipeng Chen
- Department of Spine Surgery, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, People's Republic of China
| | - Wei Lin
- Department of Spine Surgery, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, People's Republic of China
| | - Qi Wang
- Department of Radiotherapy, Nanyang Central Hospital, Nanyang, People's Republic of China
| | - Shaoxiong Min
- Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen, People's Republic of China
| | - Bailing Chen
- Department of Spine Surgery, the First Affiliated Hospital Sun Yat-sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, People's Republic of China
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Han A, Park T, Kim H, Min S, Ha J, Min SK. Paclitaxel Coated Balloon Angioplasty vs. Plain Balloon Angioplasty for Haemodialysis Arteriovenous Access Stenosis: A Systematic Review and a Time to Event Meta-Analysis of Randomised Controlled Trials. J Vasc Surg 2021. [DOI: 10.1016/j.jvs.2021.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Deng D, Liao X, Wu R, Zhou Y, Huang X, Shi C, Shi B, Min S. Surgical safe zones for oblique lumbar interbody fusion of L1-5: A cadaveric study. Clin Anat 2021; 35:178-185. [PMID: 34704286 DOI: 10.1002/ca.23804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 09/20/2021] [Accepted: 10/21/2021] [Indexed: 11/09/2022]
Abstract
To evaluate the operating range and morphology of the surgical safe zone for oblique lumbar interbody fusion (OLIF). Twenty embalmed full-torso cadaveric specimens were dissected. The oblique corridor and the distance between adjacent lumbar arteries were measured in a static state and with psoas major retraction. The morphology and size of the safe zone for OLIF and the location of the lumbar sympathetic trunk were also recorded. The oblique corridor of the L1-L5 segments was significantly greater in the retracted state than in the static state (p < 0.05). With psoas major retraction, the distances between adjacent lumbar arteries at L1-4 were significantly greater (p < 0.05) than those in the static state. The lumbar sympathetic trunk is just located in the safe zone and travels downward adjacent to the psoas major. The shape of the safe zone for OLIF was approximately an oblique upward parallelogram at L1/2 and L2/3, an isosceles trapezoid at L3/4, and an irregular quadrangle or triangle at L4/5. The safe zone for OLIF at L1/2, L2/3, and L3/4 was significantly larger during retraction than in the static state (p < 0.05). On the lateral side of the lumbar spine there is a natural surgical safe zone for OLIF, which can provide a sufficient operating space. The safe zone has a certain morphological pattern in L1-5 segments and psoas major retraction can significantly enlarge it.
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Affiliation(s)
- Donghai Deng
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Department of Orthopedics, Foshan First People's Hospital, Foshan, China
| | - Xuqiang Liao
- Department of Orthopedics, Foshan First People's Hospital, Foshan, China
| | - Ruihui Wu
- Department of Orthopedics, Foshan First People's Hospital, Foshan, China
| | - Yunfei Zhou
- Department of Orthopedics, Foshan First People's Hospital, Foshan, China
| | - Xingqiu Huang
- Department of Orthopedics, Foshan First People's Hospital, Foshan, China
| | - Chenglong Shi
- Department of Orthopedics, Foshan First People's Hospital, Foshan, China
| | - Benchao Shi
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Shaoxiong Min
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, China.,Department of Spinal Surgery, Peking University Shenzhen Hospital, Shenzhen, China
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9
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Min S. [The Response and Challenge of New Psychoactive Substances]. Fa Yi Xue Za Zhi 2021; 37:453-458. [PMID: 34725996 DOI: 10.12116/j.issn.1004-5619.2021.310204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Indexed: 06/13/2023]
Abstract
Abstract.
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Affiliation(s)
- S Min
- Shanghai Key Laboratory of Forensic Medicine, Key Laboratory of Forensic Science, Ministry of Justice, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
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10
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Wan J, Zhang G, Li X, Qiu X, Ouyang J, Dai J, Min S. Matrix Metalloproteinase 3: A Promoting and Destabilizing Factor in the Pathogenesis of Disease and Cell Differentiation. Front Physiol 2021; 12:663978. [PMID: 34276395 PMCID: PMC8283010 DOI: 10.3389/fphys.2021.663978] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 06/10/2021] [Indexed: 12/16/2022] Open
Abstract
Cells must alter their expression profiles and morphological characteristics but also reshape the extracellular matrix (ECM) to fulfill their functions throughout their lifespan. Matrix metalloproteinase 3 (MMP-3) is a member of the matrix metalloproteinase (MMP) family, which can degrade multiple ECM components. MMP-3 can activate multiple pro-MMPs and thus initiates the MMP-mediated degradation reactions. In this review, we summarized the function of MMP-3 and discussed its effects on biological activities. From this point of view, we emphasized the positive and negative roles of MMP-3 in the pathogenesis of disease and cell differentiation, highlighting that MMP-3 is especially closely involved in the occurrence and development of osteoarthritis. Then, we discussed some pathways that were shown to regulate MMP-3. By writing this review, we hope to provide new topics of interest for researchers and attract more researchers to investigate MMP-3.
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Affiliation(s)
- Jiangtao Wan
- Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Guowei Zhang
- Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xin Li
- Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xianshuai Qiu
- Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Jun Ouyang
- Guangdong Provincial Key Laboratory of Medical Biomechanics, Department of Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Jingxing Dai
- Guangdong Provincial Key Laboratory of Medical Biomechanics, Department of Anatomy, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Shaoxiong Min
- Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
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Zheng XZ, Cheng B, Luo J, Xiong QJ, Min S, Wei K. The characteristics and risk factors of the postoperative nausea and vomiting in female patients undergoing laparoscopic sleeve gastrectomy and laparoscopic gynecological surgeries: a propensity score matching analysis. Eur Rev Med Pharmacol Sci 2021; 25:182-189. [PMID: 33506906 DOI: 10.26355/eurrev_202101_24383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The aim of this study was to compare the prevalence of postoperative nausea and vomiting (PONV) in matched patients undergoing laparoscopic sleeve gastrectomy (LSG) and laparoscopic gynecological surgeries (LGS) and investigate the main cause of the high occurrence of PONV in bariatric surgeries. PATIENTS AND METHODS Medical records of female patients with a body mass index (BMI) greater than 30 kg/m2 undergoing LSG or LGS from January 1, 2016 to September 1, 2020 were reviewed for PONV episodes in the first postoperative 48 hours. A 1:1 propensity score matching (PSM) method was performed between cases subject to the two types of surgery, and PONV rates were compared. RESULTS A total of 278 patients met the inclusion criteria (LSG = 101, LGS = 177), and 74 matched subjects were selected from each group after PSM. An increased occurrence of PONV was noted in female patients with LSG compared with those undergoing LGS (66.2% vs. 23.0%; p<0.001). PONV severity was significantly worse in the LSG (p<0.001), and more frequent use of rescue antiemetics was detected in the LSG group compared with the LGS group (51.4% vs. 17.6%; p<0.001). The time of the first use of rescue drugs was much earlier in the LGS group (p = 0.034). CONCLUSIONS Female patients undergoing LSG are at increased risk of PONV compared with those with LGS, indicating a critical role of procedure-related alterations of gastric physiology in the high occurrence of PONV after bariatric surgery.
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Affiliation(s)
- X-Z Zheng
- Department of Anesthesiology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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12
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Yao Z, Bao B, Qian S, Li Z, Lu Q, Min S, Li M, Wang H. [Correlation of serum ADAMTS13 and TSP1 levels with myocardial injury and prognosis in patients with acute coronary syndrome]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:710-715. [PMID: 34134958 DOI: 10.12122/j.issn.1673-4254.2021.05.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To investigate serum levels of von Willebrand factor lytic protease (ADAMTS13) and thrombospondin-1 (TSP1) in patients with different types of acute coronary syndrome (ACS) and their correlation with the patients' clinical prognosis. OBJECTIVE According to their disease history, results of angiography and clinical biochemical tests, a total of 405 patients undergoing coronary angiography, were divided into unstable angina (UAP) group (n=215), acute myocardial infarction (AMI) group (n=96), and angiographically normal group (n=94). Serum ADAMTS13 and TSP1 levels were detected in all the patients, who were followed up for 15 months to evaluate the occurrence of long-term major cardiac adverse events (MACE). OBJECTIVE Serum ADAMTS13 level was significantly lower and TSP1 level was significantly higher in AMI group and UAP group than in the normal group (P < 0.001). Serum ADAMTS13 and TSP1 levels were negative correlated in ACS patients (R=-0.577, P < 0.001). The patients experiencing MACE had significantly different serum TSP1 level from those without MACE (P < 0.05). Cox proportion regression model analysis showed that TSP1 was a risk factor affecting the occurrence of MACE in ACS patients; Kaplan-Meier survival analysis showed that the patients with high levels of TSP1 had a higher incidence of longterm MACE than those with low TSP1 levels. OBJECTIVE A lowered serum ADAMTS13 level and an elevated TSP1 level can support the diagnosis of ACS. An elevated TSP1 level may serve as an indicator for predicting the risk of MACE in patients with ACS.
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Affiliation(s)
- Z Yao
- Department of Cardiovascular Disease, First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
| | - B Bao
- Department of Cardiovascular Disease, First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
| | - S Qian
- Department of Cardiovascular Disease, First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
| | - Z Li
- Department of Cardiovascular Disease, First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
| | - Q Lu
- Department of Cardiovascular Disease, First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
| | - S Min
- Anhui Clinical and Preclinical Key Laboratory of Respiratory Disease, Bengbu 233000, China
| | - M Li
- Department of Cardiovascular Disease, First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
| | - H Wang
- Department of Cardiovascular Disease, First Affiliated Hospital of Bengbu Medical College, Bengbu 233000, China
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Gluck C, Min S, Oyelakin A, Che M, Horeth E, Song EAC, Bard J, Lamb N, Sinha S, Romano RA. A Global Vista of the Epigenomic State of the Mouse Submandibular Gland. J Dent Res 2021; 100:1492-1500. [PMID: 33978512 DOI: 10.1177/00220345211012000] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The parotid, submandibular, and sublingual glands represent a trio of oral secretory glands whose primary function is to produce saliva, facilitate digestion of food, provide protection against microbes, and maintain oral health. While recent studies have begun to shed light on the global gene expression patterns and profiles of salivary glands, particularly those of mice, relatively little is known about the location and identity of transcriptional control elements. Here we have established the epigenomic landscape of the mouse submandibular salivary gland (SMG) by performing chromatin immunoprecipitation sequencing experiments for 4 key histone marks. Our analysis of the comprehensive SMG data sets and comparisons with those from other adult organs have identified critical enhancers and super-enhancers of the mouse SMG. By further integrating these findings with complementary RNA-sequencing based gene expression data, we have unearthed a number of molecular regulators such as members of the Fox family of transcription factors that are enriched and likely to be functionally relevant for SMG biology. Overall, our studies provide a powerful atlas of cis-regulatory elements that can be leveraged for better understanding the transcriptional control mechanisms of the mouse SMG, discovery of novel genetic switches, and modulating tissue-specific gene expression in a targeted fashion.
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Affiliation(s)
- C Gluck
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA
| | - S Min
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - A Oyelakin
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - M Che
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - E Horeth
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - E A C Song
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - J Bard
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA.,Genomics and Bioinformatics Core, State University of New York at Buffalo, Buffalo, NY, USA
| | - N Lamb
- Genomics and Bioinformatics Core, State University of New York at Buffalo, Buffalo, NY, USA
| | - S Sinha
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA
| | - R A Romano
- Department of Biochemistry, Jacobs School of Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY, USA.,Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
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Zhao S, Min S, Wu P, Huang C, Zhao Q, Chen B, Shi B. Structure of Lumbar Intervertebral Foraminal Ligaments Based on 3-Dimensional Reconstruction Through Ultrathin Cryomilling of a Human Cadaver. World Neurosurg 2021; 148:e609-e616. [PMID: 33482412 DOI: 10.1016/j.wneu.2021.01.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/10/2021] [Accepted: 01/10/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND This study aimed to assess the feasibility of using the 3-dimensional (3-D) reconstruction technique based on ultrathin cryomilling to show the lumbar intervertebral foraminal ligaments in situ. METHODS Cryomilling was performed on an embalmed human cadaver to acquire successive cross-sectional images. In each of the images, the boundaries of lumbar intervertebral foraminal ligaments and their adjacent structures were outlined, labeled, and reconstructed for 3-D modeling. The morphology, attachments, and spatial orientation of ligaments were described. RESULTS A total of 9 ligaments in 10 lumbar intervertebral foramina (IVFs) were identified and reconstructed. These ligaments can be divided into 5 types. The IVFs were divided into 2 or 3 main portions by the first 4 types of ligaments (transforaminal ligaments, corporotransverse ligaments, "reticular" ligaments, and "Y-shaped" ligaments). The radiating ligaments (the fifth type of ligaments) attached to the surrounding structures of the IVF and were connected directly to the nerve root sleeves. Although there was no indication of neurovascular compromise in this normal specimen, these ligaments limit the space within the bony IVF such that under certain pathologic conditions (e.g., inflammation), their presence would make neurovascular compression more likely than if they were absent. CONCLUSIONS The 3-D reconstruction technique based on ultrathin cryomilling can effectively show the lumbar intervertebral foraminal ligaments and their anatomical characteristics in situ, providing a new way to clarify the relationships between these ligaments and their adjacent structures.
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Affiliation(s)
- Shengli Zhao
- Department of Spine Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shaoxiong Min
- Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen, China
| | - Penghuan Wu
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Chengyan Huang
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Qinghao Zhao
- Department of Orthopedics, Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Bailing Chen
- Department of Spine Surgery, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Benchao Shi
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China.
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15
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Tang X, Luo L, Li Y, Wu H, Hu Q, Yue H, He X, Zou J, Min S. Therapeutic potential of targeting HSPA5 through dual regulation of two candidate prognostic biomarkers ANXA1 and PSAT1 in osteosarcoma. Aging (Albany NY) 2020; 13:1212-1235. [PMID: 33291071 PMCID: PMC7835002 DOI: 10.18632/aging.202258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 09/03/2020] [Indexed: 12/26/2022]
Abstract
Osteosarcoma is the most common primary malignant bone tumor that mostly affects young people's health. The prognosis of patients with unresectable or recurrent osteosarcoma still remains dismal. Based on gene integration analysis from GEO and TARGET databases by R language, the differentially expressed genes of osteosarcoma patients were identified. Biological molecular function analysis indicated that these genes were importantly enriched in the process of cell adhesion molecule binding. Gene significance highly-related to clinical traits of osteosarcoma was found by weighted gene co-expression network analysis. Additionally, receiver operating characteristic curve analysis was conducted to find prognostic markers in LASSO Cox regression model. Two candidate biomarkers, ANXA1 and PSAT1, for the prognosis of osteosarcoma were detected separately on the basis of WGCNA and LASSO model. Of note, their expression profiles were interrelated with an important therapeutic target HSPA5. In vitro pharmaceutical experiments were performed to explore the biological role and prognostic benefit of candidates. Suppression of HSPA5 effectively upregulated ANXA1 and inhibited PSAT1, resulting in osteosarcoma cell proliferation arrest and apoptosis. These findings suggest that HSPA5 serves as a core molecule for osteosarcoma therapy due to its bidirectional regulation of candidate prognostic biomarkers ANXA1 and PSAT1.
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Affiliation(s)
- Xiaojun Tang
- Department of Spinal Surgery, Orthopaedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong Province, China.,Department of Spinal Surgery, The Second Affiliated Hospital, University of South China, Hengyang 421001, Hunan Province, China
| | - Lingli Luo
- Medical College, Hunan Polytechnic of Environment and Biology, Hengyang 421005, Hunan Province, China
| | - Yukun Li
- Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Cancer Research Institute, University of South China, Hengyang 421001, Hunan Province, China
| | - Hailong Wu
- Department of Spinal Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, Guangdong Province, China
| | - Qing Hu
- Department of Pathology, People’s Hospital of Hunan Province, Changsha 410005, Hunan Province, China
| | - Haiyan Yue
- Department of Pathology, The Central Hospital of Shaoyang, Shaoyang 422000, Hunan Province, China
| | - Xiao He
- Department of Breast Surgery, Hunan Provincial Tumor Hospital, Changsha 410005, Hunan Province, China
| | - Juan Zou
- Hunan Province Key Laboratory of Tumor Cellular and Molecular Pathology, Cancer Research Institute, University of South China, Hengyang 421001, Hunan Province, China
| | - Shaoxiong Min
- Department of Spinal Surgery, Orthopaedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, Guangdong Province, China.,Department of Spinal Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, Guangdong Province, China
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16
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Haoran L, Kun T, Min S, Tao Y, Xiaoqi Y, Kehua J, Hongyan L, Chen D, Yangjun Z, Hua X. Evaluation of the efficacy of sulforaphane actived Nrf2 treating kidney stones by PET-CT. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)32691-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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17
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Qiu S, Shi C, Anbazhagan AN, Das V, Arora V, Kc R, Li X, O-Sullivan I, van Wijnen A, Chintharlapalli S, Gott-Velis G, Richard R, Mwale F, Shibuya M, Min S, Im HJ. Absence of VEGFR-1/Flt-1 signaling pathway in mice results in insensitivity to discogenic low back pain in an established disc injury mouse model. J Cell Physiol 2020; 235:5305-5317. [PMID: 31875985 PMCID: PMC9782756 DOI: 10.1002/jcp.29416] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 12/16/2019] [Indexed: 12/25/2022]
Abstract
Although degenerative disc disease (DDD) and related low back pain (LBP) are growing public health problems, the underlying disease mechanisms remain unclear. An increase in the vascular endothelial growth factor (VEGF) levels in DDD has been reported. This study aimed to examine the role of VEGF receptors (VEGFRs) in DDD, using a mouse model of DDD. Progressive DDD was induced by anterior stabbing of lumbar intervertebral discs in wild type (WT) and VEGFR-1 tyrosine-kinase deficient mice (vegfr-1TK-/- ). Pain assessments were performed weekly for 12 weeks. Histological and immunohistochemical assessments were made for discs, dorsal root ganglions, and spinal cord. Both vegfr-1TK-/- and WT mice presented with similar pathological changes in discs with an increased expression of inflammatory cytokines and matrix-degrading enzymes. Despite the similar pathological patterns, vegfr-1TK-/- mice showed insensitivity to pain compared with WT mice. This insensitivity to discogenic pain was related to lower levels of pain factors in the discs and peripheral sensory neurons and lower spinal glial activation in the vegfr-1TK- /- mice than in the WT mice. Exogenous stimulation of bovine disc cells with VEGF increased inflammatory and cartilage degrading enzyme. Silencing vegfr-1 by small-interfering-RNA decreased VEGF-induced expression of pain markers, while silencing vegfr-2 decreased VEGF-induced expression of inflammatory and metabolic markers without changing pain markers. This suggests the involvement of VEGFR-1 signaling specifically in pain transmission. Collectively, our results indicate that the VEGF signaling is involved in DDD. Particularly, VEGFR-1 is critical for discogenic LBP transmission independent of the degree of disc pathology.
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Affiliation(s)
- Sujun Qiu
- Department of Spinal Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Changgui Shi
- Department of Orthopedic Surgery, Changzheng Hospital, the Second Military Medical University of China, Shanghai, China
| | | | - Vaskar Das
- Departments of Anesthesiology, Rush University Medical Center, Chicago, IL, United States
| | - Vipin Arora
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA
| | - Ranjan Kc
- Division of Orthopedic Surgery, the Children's Hospital of Philadelphia Research Institute, Philadelphia, PA, United States
| | - Xin Li
- Department of Bioengineering, University of Illinois at Chicago, IL, United States
| | - InSug O-Sullivan
- Department of Medicine, University of Illinois at Chicago, Chicago, IL, United States
| | - Andre van Wijnen
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, NM, United States
| | | | - Gina Gott-Velis
- Department of Bioengineering, University of Illinois at Chicago, IL, United States
- Departments of Anesthesiology, the University of Illinois at Chicago (UIC), IL, United States
| | - Ripper Richard
- Departments of Anesthesiology, the University of Illinois at Chicago (UIC), IL, United States
| | - Fackson Mwale
- Orthopaedics Research Laboratory, Lady Davis Institute for Medical Research, SMBD-Jewish General Hospital, Montreal, QC, Canada
- Department of Experimental Surgery, Faculty of Medicine, McGill University, Montreal, QC, Canada
| | - Masabumi Shibuya
- Institute of Physiology and Medicine, Jobu University, Takasaki, Gunma, Japan
| | - Shaoxiong Min
- Department of Spinal Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Hee-Jeong Im
- Department of Bioengineering, University of Illinois at Chicago, IL, United States
- Jesse Brown Veterans Affairs Medical Center (JBVAMC) at Chicago, IL, United States
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18
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Oyelakin A, Song E, Min S, Bard J, Kann J, Horeth E, Smalley K, Kramer J, Sinha S, Romano R. Transcriptomic and Single-Cell Analysis of the Murine Parotid Gland. J Dent Res 2019; 98:1539-1547. [PMID: 31623513 PMCID: PMC6873284 DOI: 10.1177/0022034519882355] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The salivary complex of mammals consists of 3 major pairs of glands: the parotid, submandibular, and sublingual glands. While the 3 glands share similar functional properties, such as saliva secretion, their differences are largely based on the types of secretions they produce. While recent studies have begun to shed light on the underlying molecular differences among the glands, few have examined the global transcriptional repertoire over various stages of gland maturation. To better elucidate the molecular nature of the parotid gland, we have performed RNA sequencing to generate comprehensive and global gene expression profiles of this gland at different stages of maturation. Our transcriptomic characterization and hierarchical clustering analysis with adult organ RNA sequencing data sets has identified a number of molecular players and pathways that are relevant for parotid gland biology. Moreover, our detailed analysis has revealed a unique parotid gland-specific gene signature that may represent important players that could impart parotid gland-specific biological properties. To complement our transcriptomic studies, we have performed single-cell RNA sequencing to map the transcriptomes of parotid epithelial cells. Interrogation of the single-cell transcriptomes revealed the degree of molecular and cellular heterogeneity of the various epithelial cell types within the parotid gland. Moreover, we uncovered a mixed-lineage population of cells that may reflect molecular priming of differentiation potentials. Overall our comprehensive studies provide a powerful tool for the discovery of novel molecular players important in parotid gland biology.
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Affiliation(s)
- A. Oyelakin
- Department of Oral Biology, School of Dental
Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - E.A.C. Song
- Department of Oral Biology, School of Dental
Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - S. Min
- Department of Oral Biology, School of Dental
Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - J.E. Bard
- Genomics and Bioinformatics Core, State
University of New York at Buffalo, Buffalo, NY, USA
| | - J.V. Kann
- Genomics and Bioinformatics Core, State
University of New York at Buffalo, Buffalo, NY, USA
| | - E. Horeth
- Department of Oral Biology, School of Dental
Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - K. Smalley
- Department of Biochemistry, Jacobs School of
Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY,
USA
| | - J.M. Kramer
- Department of Oral Biology, School of Dental
Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - S. Sinha
- Department of Biochemistry, Jacobs School of
Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY,
USA
| | - R.A. Romano
- Department of Oral Biology, School of Dental
Medicine, State University of New York at Buffalo, Buffalo, NY, USA
- Department of Biochemistry, Jacobs School of
Medicine and Biomedical Sciences, State University of New York at Buffalo, Buffalo, NY,
USA
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19
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Sarria G, Sperk E, Xiaodi H, Sarria G, Wenz F, Brehmer S, Fu B, Min S, Zhang H, Qin S, Qiu X, Abo-Madyan Y, Hänggi D, Martinez D, Cabrera C, Giordano F. Intraoperative Radiotherapy for Glioblastoma: An International Pooled Analysis. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.2308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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20
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Cai C, Min S, Yan B, Liu W, Yang X, Li L, Wang T, Jin A. MiR-27a promotes the autophagy and apoptosis of IL-1β treated-articular chondrocytes in osteoarthritis through PI3K/AKT/mTOR signaling. Aging (Albany NY) 2019; 11:6371-6384. [PMID: 31460867 PMCID: PMC6738432 DOI: 10.18632/aging.102194] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 08/10/2019] [Indexed: 12/14/2022]
Abstract
Osteoarthritis (OA) is a common degenerative joint disorder, which involves articular cartilage degeneration as well as joint inflammatory reactions. The recent studies have identified microRNA (miRNA) as one of the epigenetic mechanisms for the regulation of gene expression. Here we aim to reveal the role of miRNA in the regulation of gene expression in articular chondrocytes and its significance in the OA pathogenesis. In the present study, miRNA profiling was performed using OA cartilage and normal healthy cartilage tissues. As compared to their levels in normal cells and tissues, miR-27a expression was found to be upregulated in OA cartilage and IL-1β-treated articular chondrocytes. TUNEL staining, as well as flow cytometry with Annexin V-FITC/PI double labeling indicated that miR-27a inhibition reduced the apoptosis of IL-1β-treated articular chondrocytes. Bioinformatics prediction and the dual-luciferase reporter assay indicated that miR-27a targeted the 3'-UTR of the PI3K gene to silence it. The PI3K mRNA level in OA cartilage and IL-1β-treated articular chondrocytes was also downregulated, comparing with normal cells and tissues. Transfection of chondrocytes transfected with the miR-27a inhibitor upregulated the PI3K expression. This study demonstrated miR-27a is a regulator of the PI3K-Akt-mTOR axis in human chondrocytes and could participate in OA pathogenesis.
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Affiliation(s)
- Chen Cai
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Shaoxiong Min
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Bo Yan
- Department of Spine Surgery, The Third Affliated Hospital of Southern Medical University, Guangzhou, Guangdong, China
| | - Wen Liu
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiao Yang
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Liuxun Li
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Ting Wang
- Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, Guangdong, China
| | - Anmin Jin
- Department of Spine Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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21
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Moon J, Yoon JY, Yang JH, Kwon HH, Min S, Suh DH. Atrophic acne scar: a process from altered metabolism of elastic fibres and collagen fibres based on transforming growth factor-β1 signalling. Br J Dermatol 2019; 181:1226-1237. [PMID: 30822364 DOI: 10.1111/bjd.17851] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/28/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Atrophic acne scar, a persistent sequela from acne, is undesirably troubling to many patients due to its cosmetic and psychosocial aspects. Although there have been some reports emphasizing the role of early inflammatory responses in atrophic acne scarring, evolving perspectives on the detailed pathogenic processes are promptly needed. OBJECTIVES Examining the histological, immunological and molecular changes in early acne lesions susceptible to atrophic scarring can provide new insights to understand the pathophysiology of atrophic acne scar. METHODS We experimentally validated several early fundamental hallmarks accounting for the transition of early acne lesions to atrophic scars by comparing molecular profiles of skin and acne lesions between patients who were prone to scar (APS) or not (ANS). RESULTS In APS, compared with ANS, devastating degradation of elastic fibres and collagen fibres occurred in the dermis, followed by their incomplete recovery. Abnormally excessive inflammation mediated by innate immunity with T helper 17 and T helper 1 cells was observed. Epidermal proliferation was significantly diminished. Transforming growth factor (TGF)-β1 was drastically elevated in APS, suggesting that aberrant TGF-β1 signalling is an underlying modulator of all of these pathological processes. CONCLUSIONS These results may provide a basis for understanding the pathogenesis of atrophic acne scarring. Reduction of excessive inflammation and TGF-β1 signalling in early acne lesions is expected to facilitate the protection of normal extracellular matrix metabolism and ultimately the prevention of atrophic scar formation. What's already known about this topic? The dermis of atrophic acne scars shows alteration of extracellular matrix components such as collagen fibres. Inflammation in acne lesions is associated with the development of acne scars. What does this study add? Abnormalities in the metabolism of collagen fibres and elastic fibres were observed in the early developmental stages of acne lesions that were progressing into atrophic scars. Exacerbated inflammation and aberrant epidermal proliferation by increased transforming growth factor (TGF)-β1 signalling may affect the abnormal extracellular matrix metabolism. What is the translational message? Abnormal changes in elastic fibres and collagen fibres are found in the early developmental process of acne in patients who are prone to atrophic scarring. An early treatment regimen strongly inhibiting inflammation and TGF-β1 signalling to help the normal recovery of the extracellular matrix components is required to prevent atrophic scarring.
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Affiliation(s)
- J Moon
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea.,Acne, Rosacea, Seborrheic Dermatitis and Hidradenitis Suppurativa Research Laboratory, Seoul National University Hospital, Seoul, Republic of Korea
| | - J Y Yoon
- Acne, Rosacea, Seborrheic Dermatitis and Hidradenitis Suppurativa Research Laboratory, Seoul National University Hospital, Seoul, Republic of Korea
| | - J H Yang
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea.,Acne, Rosacea, Seborrheic Dermatitis and Hidradenitis Suppurativa Research Laboratory, Seoul National University Hospital, Seoul, Republic of Korea
| | - H H Kwon
- Oaro Dermatology Clinic, Seoul, Republic of Korea
| | - S Min
- SnU Dermatology Clinic, Seoul, Republic of Korea
| | - D H Suh
- Department of Dermatology, Seoul National University College of Medicine, Seoul, Republic of Korea.,Acne, Rosacea, Seborrheic Dermatitis and Hidradenitis Suppurativa Research Laboratory, Seoul National University Hospital, Seoul, Republic of Korea
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22
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Zhao S, Yin J, Yu Q, Zhang G, Min S. [Vascular endothelial growth factor/polylactide-polyethyleneglycol-polylactic acid copolymer/basic fibroblast growth factor mixed microcapsules in promoting angiogenic differentiation of rat bone marrow mesenchymal stem cells in vitro]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2019; 33:243-251. [PMID: 30739424 DOI: 10.7507/1002-1892.201808099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To observe the effect of vascular endothelial growth factor/polylactide-polyethyleneglycol-polylactic acid copolymer/basic fibroblast growth factor (VEGF/PELA/bFGF) mixed microcapsules in promoting the angiogenic differentiation of rat bone marrow mesenchymal stem cells (BMSCs) in vitro. Methods The BMSCs were isolated by the method of whole bone marrow adherent, and sub-cultured. The passage 3 BMSCs were identified by Wright-Giemsa staining and flow cytometry, and used for subsequent experiments. VEGF/PELA/bFGF (group A), PELA/bFGF (group B), VEGF/PELA (group C), and PELA (group D) microcapsules were prepared. The biodegradable ability and cytotoxicity of PELA microcapsule were determined,and the slow-released ability of VEGF/PELA/bFGF mixed microcapsules was measured. The passage 3 BMSCs were co-cultured with the extracts of groups A, B, C, and D, separately. At 1, 3, 7, 14, and 20 days after being cultured, the morphological changes of induced BMSCs were recorded. At 21 days, the induced BMSCs were tested for DiI-labeled acetylated low density lipoprotein (Dil-ac-LDL) and FITC-labeled ulex europaeus agglutinin I (FITC-UEA-I) uptake ability. The tube-forming ability of the induced cells on Matrigel was also verified. The differences of the vascularize indexes in nodes, master junctions, master segments, and tot.master segments length in 4 groups were summarized and analyzed. Results The isolated and cultured cells were identified as BMSCs. The degradation time of PELA was more than 20 days. There was no significant effect on cell viability under co-culture conditions. At 20 days, the cumulative release of VEGF in the mixed microcapsules exceeded 95%, and the quantity of bFGF exceeded 80%. The morphology of cells in groups A, B, and C were changed. The cells in groups A and B showed the typical change of cobble-stone morphology. The numbers of double fluorescent labeled cells observed by fluorescence microscope were the most in group A, and decreases from group B and group C, with the lowest in group D. The cells in groups A and B formed a grid-like structure on Matrigel. Quantitative analysis showed that the differences in the number of nodes, master junctions, master segments, and tot.master segments length between groups A, B and groups C, D were significant ( P<0.05). The number of nodes and the tot.master segments length of group A were more than those of group B ( P<0.05). There was no significant differences in the number of master junctions and master segments between group A and group B ( P>0.05). Conclusion VEGF/PELA/bFGF mixed microcapsules have significantly ability to promote the angiogenic differentiation of rat BMSCs in vitro.
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Affiliation(s)
- Shengli Zhao
- Department of Spinal Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou Guangdong, 510282, P.R.China
| | - Jie Yin
- Department of Hand Surgery, Ningbo No.6 Hospital, Ningbo Zhejiang, 315040, P.R.China
| | - Qinghe Yu
- Department of Spinal Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou Guangdong, 510282, P.R.China
| | - Guowei Zhang
- Department of Spinal Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou Guangdong, 510282, P.R.China
| | - Shaoxiong Min
- Department of Spinal Surgery, Zhujiang Hospital of Southern Medical University, Guangzhou Guangdong, 510282,
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23
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Hong S, Chang S, Yang J, Min S. Therapeutic Effects of Fermented Flax Seed Oil on NC/Nga Mice with Atopic Dermatitis-like Skin Lesions. J Acupunct Meridian Stud 2018. [DOI: 10.1016/j.jams.2018.08.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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24
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Yang J, Moon J, Yoon J, Min S, Kwon H, Suh D. 1343 Altered metabolism of elastic fibers and collagen fibers derived from TGF-β1 mediated inflammation in atrophic acne scarring. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.1360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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25
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Yin J, Qiu S, Shi B, Xu X, Zhao Y, Gao J, Zhao S, Min S. Controlled release of FGF-2 and BMP-2 in tissue engineered periosteum promotes bone repair in rats. ACTA ACUST UNITED AC 2018; 13:025001. [PMID: 29313523 DOI: 10.1088/1748-605x/aa93c0] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The aim of this study was to prepare chitosan-collagen (CS/COL) scaffolds that could release fibroblast growth factor-2 (FGF-2) and bone morphogenetic protein 2 (BMP-2), and to study the effect of this scaffold on bone repair. By improving the double emulsion/solvent evaporation technique, BMP-2 was encapsulated in poly(lactic acid)-poly(ethylene glycol)-poly(lactic acid) (PELA) microcapsules, to the surface of which FGF-2 was attached. The CS/COL scaffold carrying the microcapsules was prepared by freeze-drying. Periosteum derived cells (PDCs) were extracted and cultured on the scaffolds to study their proliferation and differentiation on the scaffolds. In addition, the effects of the scaffolds were investigated on rats with skull defects by micro-computed tomography and histology. We successfully prepared PELA microcapsules with external adherence to FGF-2 and encapsulated with BMP-2. The CS/COL scaffolds were porous and PDCs adhered, proliferated and underwent osteogenic differentiation on the scaffolds. The sequential release of FGF-2/BMP-2 had better osteogenic efficacy than other groups. Our results suggest that CS/COL scaffolds that bind FGF-2 and BMP-2 in combination with PDCs could be a promising new strategy for tissue engineering periosteum.
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Affiliation(s)
- Jie Yin
- Department of Orthopaedics, Zhujiang Hospital of Southern Medical University, Guangzhou 510282, People's Republic of China. Department of Hand Surgery, Ningbo City Sixth Hospital, Ningbo 315040, People's Republic of China
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Yoon D, Min S, Kim Y, Kim J, Lee G, Lee M, Roza K, Park JW, Shin HW. Intermittent hypoxia promotes tumor growth in azoxymethane and dextran sodium sulfate-induced colon carcinogenesis mouse model. Sleep Med 2017. [DOI: 10.1016/j.sleep.2017.11.1052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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27
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Yi R, Xiangyu G, Min S. The expression of transforming growth factor-β1 in myocardial tissue and concentration of serum B-type natriuretic peptide in myocardial remodeling of Sprague-Dawley rats treated with carvedilol. Eur Rev Med Pharmacol Sci 2017; 21:4975-4982. [PMID: 29164560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
OBJECTIVE The objective of this study was to observe the expression of transforming growth factor-β1 (TGF-β1) in myocardial tissue and the concentration of serum B-type natriuretic peptide (BNP) in myocardial remodeling of Sprague-Dawley rats induced by isoproterenol (ISO) and the effects of carvedilol intervention. MATERIALS AND METHODS Thirty rats were divided randomly into three groups: (1) Control group: rats were injected with 5 mL/(kg·d) of saline for 10 days, followed by 10 mL/(kg·d) of saline by gavage for 4 weeks. (2) Model group: rats were injected with 5 mg/(kg·d) ISO for 10 days, followed by 10 mL/(kg·d) of saline by gavage for 4 weeks. (3) Treatment group: rats were injected with 5 mg/(kg·d) ISO for 10 days, followed by 10 mg/(kg·d) carvedilol by gavage for 4 weeks. Following treatments, the Cardiac Weight Index (CWI) was measured. The pathological changes to myocardial tissue were observed by HE staining and Masson's trichrome staining. The mRNA expression of TGF-β1 was determined by RT-PCR. The protein expression of TGF-β1 was detected by immunohistochemistry and Western blot. The concentration of serum BNP was measured by ELISA. RESULTS According to our results, no significant pathological changes were observed in myocardial tissue of the control group. The denaturation, hypertrophy, edema and necrosis of myocardial cells as well as increased collagen fibers in myocardial tissue of the model group, were more pronounced compared to the treatment group. The CWI, level of TGF-β1 in myocardial tissue, and the concentration of serum BNP of the model group, were significantly higher than that of the treatment group, and those of the treatment group were significantly higher than in the control group. There were significant differences among the three groups. There were also significant differences between any two groups. CONCLUSIONS The expression of TGF-β1 in myocardial tissue was upregulated and the concentration of serum BNP was increased in myocardial remodeling of SD rats induced by ISO. Carvedilol intervention can downregulate the expression of TGF-β1 and decrease the concentration of BNP, inhibiting myocardial remodeling, and improve cardiac function.
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Affiliation(s)
- R Yi
- Department of Pediatrics, The Affiliated Xuzhou Hospital of Medical College of Southeast University, Xuzhou, China.
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Scangarella-Oman N, Hossain M, Dixon P, Ingraham K, Min S, Tiffany C, Perry C, Raychaudhuri A, Dumont E, Huang J, I I I EH, Miller L. P2.38 Microbiological analysis from a phase ii study in adults evaluating single doses of gepotidacin (GSK2140944) in the treatment of uncomplicated urogenital gonorrhoea caused by neisseria gonorrhoeae. Clin Sci (Lond) 2017. [DOI: 10.1136/sextrans-2017-053264.214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Moon J, Min S, Yoon J, Park S, Kwon H, Suh D. 306 Platelet-rich plasma potentiates the improvement of acne scar in fractional laser treatment by the increase of fibrogenetic and anti-inflammatory reaction. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Min S, Park W. Predicting factors of surgical resection margin status in breast conserving surgery. Breast 2017. [DOI: 10.1016/s0960-9776(17)30372-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Wang B, Xu T, Cai Y, Ma Y, Huang L, Min S, Vinh N, Wang K, Scammells P, Ju S. VCP979, A Novel p38 MAPK Inhibitor, Attenuates Inflammatory Response and Improve Cardiac Function Post-Myocardial Infarction. Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Min S, Jeong D, Jo SN, Yi S, Lee H. Community-level risk factors for foodborne and waterborne disease in Gyounggi province, South Korea, 2015. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.11.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Hao X, Min S, Bu S, Zhu X, Wei K. Abstract PR373. Anesth Analg 2016. [DOI: 10.1213/01.ane.0000492767.37107.d7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Xu X, Qiu S, Zhang Y, Yin J, Min S. PELA microspheres with encapsulated arginine-chitosan/pBMP-2 nanoparticles induce pBMP-2 controlled-release, transfected osteoblastic progenitor cells, and promoted osteogenic differentiation. Artif Cells Nanomed Biotechnol 2016; 45:330-339. [PMID: 26961803 DOI: 10.3109/21691401.2016.1153480] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Repair of the bone injury remains a challenge in clinical practices. Recent progress in tissue engineering and therapeutic gene delivery systems have led to promising new strategies for successful acceleration of bone repair process. The aim of this study was to create a controlled-release system to slowly release the arginine-chitosan/plasmid DNA nanoparticles encoding BMP-2 gene (Arg-CS/pBMP-2 NPs), efficiently transfect osteoblastic progenitor cells, secrete functional BMP-2 protein, and promote osteogenic differentiation. In this study, chitosan was conjugated with arginine to generate arginine-chitosan polymer (Arg-CS) for gene delivery. Mix the Arg-CS with pBMP-2 to condense pBMP-2 into nano-sized particles. In vitro transfection assays demonstrated that the transfection efficiency of Arg-CS/pBMP-2 nanoparticles and the expression level of BMP-2 was obviously exceed control groups. Further, PELA microspheres as the controlled-release carrier for the nanoparticles were used to encapsulate Arg-CS/pBMP-2 NPs. We demonstrated that the Arg-CS/pBMP-2 NPs could slowly release from the PELA microspheres at least for 42 d. During the co-culture with the PELA microspheres, the content of BMP-2 protein secreted by MC3T3-E1 reached the peak at 7 d. After 21d, the secretion of BMP-2 protein still maintain a higher level. The alkaline phosphatase activity, alizarin red staining, and osteogenesis-related gene expression by real-time quantitative PCR analysis all showed the PELA microspheres entrapping with Arg-CS/pBMP-2 NPs can obviously induce the osteogenic differentiation. The results indicated that the Arg-CS is a suitable gene vector which can promote the gene transfection. And the novel PELA microspheres-nanoparticle controlled-release system has potential clinical application in the future after further research.
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Affiliation(s)
- Xiaolong Xu
- a Department of Orthopedics , Zhujiang Hospital, Southern Medical University , Guangzhou , Guangdong Province , China
| | - Sujun Qiu
- a Department of Orthopedics , Zhujiang Hospital, Southern Medical University , Guangzhou , Guangdong Province , China
| | - Yuxian Zhang
- a Department of Orthopedics , Zhujiang Hospital, Southern Medical University , Guangzhou , Guangdong Province , China
| | - Jie Yin
- a Department of Orthopedics , Zhujiang Hospital, Southern Medical University , Guangzhou , Guangdong Province , China
| | - Shaoxiong Min
- a Department of Orthopedics , Zhujiang Hospital, Southern Medical University , Guangzhou , Guangdong Province , China
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Li Y, Cen Y, Luo Y, Zhu Z, Min S, Chen X. Aspergillus Vertebral Osteomyelitis Complicating Pulmonary Granuloma in an Immunocompetent Adult. Med Princ Pract 2016; 25:394-6. [PMID: 26667988 PMCID: PMC5588403 DOI: 10.1159/000443310] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 12/13/2015] [Indexed: 01/06/2023] Open
Abstract
OBJECTIVE The aim of this report is to describe a case with Aspergillus vertebral osteomyelitis complicating pulmonary granuloma in an immunocompetent adult. CLINICAL PRESENTATION AND INTERVENTION A 53-year-old male patient was found to have lesions on lumbar vertebra 5 months after thoracoscopic resection of pulmonary granuloma that lacked a definite etiology. Three operations on the lumbar lesions were performed successively; however, an Aspergillus infection was not confirmed until hyphae were clearly detected at the last surgery. The patient was treated with voriconazole and recovered well. CONCLUSION This case shows that simultaneous occurrence of granulomatous nodules in the lung and vertebral lesions should raise suspicion of aspergillosis, even in immunocompetent patients.
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Affiliation(s)
- Yun Li
- Department of Respiratory Medicine, Guangzhou, China
| | - Yanyi Cen
- Department of Department of Anesthesiology, First Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Yuwen Luo
- Department of Respiratory Medicine, Guangzhou, China
| | - Zhe Zhu
- Department of Respiratory Medicine, Guangzhou, China
| | - Shaoxiong Min
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xin Chen
- Department of Respiratory Medicine, Guangzhou, China
- *Xin Chen, Department of Respiratory Medicine, Zhujiang Hospital, Southern Medical University, 253 Gongye Road, Guangzhou 510282 (China), E-Mail
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Kwon D, Min S, Hwang S, Kim M. Measurement of soft tissue change using 3D scanner in orthognathic surgery patient. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Min S, Nam H, Kwon D, Hwang S, Kim M. Correlation of maxillo-mandibular skeletal changes and change of lip canting in two jaw orthognathic surgery for correction of facial asymmetry. Int J Oral Maxillofac Surg 2015. [DOI: 10.1016/j.ijom.2015.08.705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Li X, Yi W, Jin A, Duan Y, Min S. Effects of sequentially released BMP-2 and BMP-7 from PELA microcapsule-based scaffolds on the bone regeneration. Am J Transl Res 2015; 7:1417-1428. [PMID: 26396672 PMCID: PMC4568797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 07/11/2015] [Indexed: 06/05/2023]
Abstract
Osteoinductive biomaterials are helpful for the therapy of large bone defects and provide an alternative to autogenous bone and allografts. Recently, multiple growth factors are delivered to mimic the natural process of bone healing in the bone tissue engineering. Herein, we investigated the effects of sequential released bone morphogenetic protein-2 (BMP-2) and bone morphogenetic protein-7 (BMP-7) from polylactide-poly (ethylene glycol)-polylactide (PELA) microcapsule-based scaffolds on the bone regeneration. Through improving the double emulsion/solvent evaporation technique, BMP-7 was encapsulated in PELA microcapsules, to the surface of which BMP-2 was attached. Then, the scaffold (BMP-2/PELA/BMP-7) was fused by these microcapsules with dichloromethane vapor method. In vitro, it sequentially delivered bioactive BMP-2 and BMP-7 and partially imitated the profile of BMPs expression during the fracture healing. To determine the bioactivity of released BMP-2 and BMP-7, alkaline phosphatase (AKP) activity was analyzed in MC3T3-E1 cells. When compared with simple BMP-2 plus BMP-7group and pure PELA group, the AKP activity in BMP-2/PELA/BMP-7 group significantly increased. MTT assay indicated the BMP-loaded PELA scaffold had no adverse effects on cell activity. In addition, the effects of BMP-loaded scaffolds were also investigated in a rat femoral defect model by micro-computed tomographic (mCT) and histological examination. At 4 and 8 weeks post-implantation, BMP-2/PELA/BMP-7 significantly promoted osteogenesis as compared to other groups. The scaffold underwent gradual degradation and replacement by new bones at 8 weeks. Our findings suggest that the sequential release of BMP-2 and BMP-7from PELA microcapsule-based scaffolds is promising for the therapy of bone defects.
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Affiliation(s)
- Xialin Li
- Department of Orthopaedics, Zhujiang Hospital of Southern Medical UniversityGuangzhou 510282, Guangdong, China
- Department of Spine Surgery, Shenzhen Nanshan Hospital of Guangdong Medical CollegeShenzhen 510282, Guangdong, China
| | - Weihong Yi
- Department of Spine Surgery, Shenzhen Nanshan Hospital of Guangdong Medical CollegeShenzhen 510282, Guangdong, China
| | - Anmin Jin
- Department of Orthopaedics, Zhujiang Hospital of Southern Medical UniversityGuangzhou 510282, Guangdong, China
| | - Yang Duan
- Department of Orthopaedics, Zhujiang Hospital of Southern Medical UniversityGuangzhou 510282, Guangdong, China
| | - Shaoxiong Min
- Department of Orthopaedics, Zhujiang Hospital of Southern Medical UniversityGuangzhou 510282, Guangdong, China
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Park SY, Kwon HH, Min S, Yoon JY, Suh DH. Epidemiology and risk factors of childhood acne in Korea: a cross-sectional community based study. Clin Exp Dermatol 2015; 40:844-50. [PMID: 26011595 DOI: 10.1111/ced.12686] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/06/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND The epidemiology of acne vulgaris appears to be evolving, with an increasingly earlier onset seen in childhood. Relevant studies have been rarely performed in Asia. AIM We sought to estimate the prevalence and clinical characteristics of acne among schoolchildren, and its association with treatment-seeking behaviour, body mass index (BMI), nutritional habits and other lifestyle elements. METHODS A cross-sectional study was conducted with elementary schoolchildren aged 7-12 years. Children were interviewed by self-administered questionnaires, and were subsequently evaluated by dermatologists. RESULTS Of 693 children enrolled, 36.2% were diagnosed with acne, and the prevalence increased with age. Additionally, clinical characteristics including severity, duration of disease and lesion distribution were significantly different between the lower (aged 7-9 years) and the higher (aged 10-12 years) grades. Subjective features including recognition about acne and treatment-seeking behaviours were also different between the two groups. Overweight or obesity (BMI ≥ 25 kg/m(2) at 18 years of age; OR = 2.7) and consumption of chocolates/sweets (OR = 1.6) were significant risk factors for acne. CONCLUSIONS In the current study, the prevalence of acne among elementary schoolchildren was high, but only a few children had received treatment. Physicians should be attentive to childhood acne, and educate patients and their parents about the need to treat it.
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Affiliation(s)
- S Y Park
- Department of Dermatology, Seoul National University Hospital, Seoul, South Korea.,Acne and Rosacea Research Laboratory, Seoul National University Hospital, Seoul, South Korea
| | - H H Kwon
- Department of Dermatology, Seoul National University Hospital, Seoul, South Korea.,Acne and Rosacea Research Laboratory, Seoul National University Hospital, Seoul, South Korea
| | - S Min
- Department of Dermatology, Seoul National University Hospital, Seoul, South Korea.,Acne and Rosacea Research Laboratory, Seoul National University Hospital, Seoul, South Korea
| | - J Y Yoon
- Acne and Rosacea Research Laboratory, Seoul National University Hospital, Seoul, South Korea
| | - D H Suh
- Department of Dermatology, Seoul National University Hospital, Seoul, South Korea.,Acne and Rosacea Research Laboratory, Seoul National University Hospital, Seoul, South Korea
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Wald HL, Bandle B, Richard A, Min S. Accuracy of Electronic Surveillance of Catheter-Associated Urinary Tract Infection at an Academic Medical Center. Infect Control Hosp Epidemiol 2015. [DOI: 10.1086/529079] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective.To develop and validate a methodology for electronic surveillance of catheter-associated urinary tract infections (CAUTIs).Design.Diagnostic accuracy study.Setting.A 425-bed university hospital.Subjects.A total of 1,695 unique inpatient encounters from November 2009 through November 2010 with a high clinical suspicion of CAUTI.Methods.An algorithm was developed to identify incident CAUTIs from electronic health records (EHRs) on the basis of the Centers for Disease Control and Prevention (CDC) surveillance definition. CAUTIs identified by electronic surveillance were compared with the reference standard of manual surveillance by infection preventionists. To determine diagnostic accuracy, we created 2 × 2 tables, one unadjusted and one adjusted for misclassification using chart review and case adjudication. Unadjusted and adjusted test statistics (percent agreement, sensitivity, specificity, positive predictive value [PPV], negative predictive value [NPV], and κ) were calculated.Results.Electronic surveillance identified 64 CAUTIs compared with manual surveillance, which identified 19 CAUTIs for 97% agreement, 79% sensitivity, 97% sensitivity, 23% PPV, 100% NPV, and κ of .33. Compared with the reference standard adjusted for misclassification, which identified 55 CAUTIs, electronic surveillance had 98% agreement, 80% sensitivity, 99% specificity, 69% PPV, 99% NPV, and κ of .71.Conclusion.The electronic surveillance methodology had a high NPV and a low PPV compared with the reference standard, indicating a role of the electronic algorithm in screening data sets to exclude cases. However, the PPV markedly improved compared with the reference standard adjusted for misclassification, suggesting a future role in surveillance with improvements in EHRs.Infect Control Hosp Epidemiol2014;35(6):685–691
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Li X, Lin Z, Duan Y, Shu X, Jin A, Min S, Yi W. Repair of large segmental bone defects in rabbits using BMP and FGF composite xenogeneic bone. Genet Mol Res 2015; 14:6395-400. [DOI: 10.4238/2015.june.11.15] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Curtis L, Nichols G, Stainsby C, Lim J, Aylott A, Wynne B, Clark A, Bloch M, Maechler G, Martin-Carpenter L, Raffi F, Min S. Dolutegravir: clinical and laboratory safety in integrase inhibitor-naive patients. HIV Clin Trials 2014; 15:199-208. [PMID: 25350958 DOI: 10.1310/hct1505-199] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND The efficacy of dolutegravir (DTG) has been demonstrated in 5 randomized studies in integrase inhibitor (INI)-naive adult populations. To date, a detailed safety review of DTG has not been provided in the literature. OBJECTIVE To describe the safety and tolerability profile of DTG in adults based on 5 randomized, controlled trials and comparison with drugs in 3 major antiretroviral (ARV) classes. METHODS Safety data from phase IIb/III/IIIb trials in ART-naive and ART-experienced, INI-naive adults were integrated. RESULTS In 4 ART-naive (SPRING-1, SPRING-2, SINGLE, FLAMINGO) and 1 ART-experienced, INI-naive study (SAILING), 1,579 individuals received a DTG-containing regimen. The proportion of individuals from DTG treatment arms who withdrew due to adverse events (AEs) was low (≤2%) compared to raltegravir (RAL; 2% SPRING-2, 4% SAILING), efavirenz (EFV)-containing comparator arm (10% SINGLE), and darunavir + ritonavir (DRV/r; 4% FLAMINGO). The most frequently observed AEs (diarrhea, nausea, headache), typically grade 1 or 2 in severity, did not lead to study discontinuation. Psychiatric and nervous system disorders with DTG were comparable to RAL- and DRV/r-containing regimens and favorable to EFV-containing regimens. In hepatitis B and/or C coinfected ART-naive individuals, the incidence of transaminase elevations was lower with DTG versus RAL and EFV comparators, but was similar to DRV/r. In SAILING, transaminase elevations were more commonly observed with DTG, particularly in the setting of inadequate hepatitis B therapy or immune reconstitution. On DTG treatment, mild creatinine elevations occurred and stabilized early. Few cases of hypersensitivity reaction and/or severe rash were seen. Rates of these events were comparable to or lower than with RAL-, EFV-, and DRV/r-containing regimens. CONCLUSIONS The safety profile for DTG 50 mg once daily in INI-naive individuals was comparable to RAL- and DRV/r-containing regimens and generally favorable compared with EFV-containing regimens.
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Affiliation(s)
- L Curtis
- GlaxoSmithKline, Stockley Park, UK
| | - G Nichols
- GlaxoSmithKline, Research Triangle Park, NC, USA
| | | | - J Lim
- GlaxoSmithKline, Stockley Park, UK
| | - A Aylott
- GlaxoSmithKline, Stockley Park, UK
| | - B Wynne
- GlaxoSmithKline, Philadelphia, PA, USA
| | - A Clark
- ViiV Healthcare, Brentford, UK
| | - M Bloch
- Holdsworth House Medical Practice, Sydney, Australia
| | | | | | - F Raffi
- Infectious and Tropical Diseases Department, Nantes University Hospital, Nantes, France
| | - S Min
- GlaxoSmithKline, Research Triangle Park, NC, USA
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Li X, Min S, Zhao X, Lu Z, Jin A. Optimization of entrapping conditions to improve the release of BMP-2 from PELA carriers by response surface methodology. ACTA ACUST UNITED AC 2014; 10:015002. [PMID: 25534880 DOI: 10.1088/1748-6041/10/1/015002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
A microcapsule prepared from triblock copolymer poly(lactic acid)-poly(ethylene glycol)-poly(lactic acid) (PLA-PEG-PLA, PELA) was investigated as a controlled release carrier for recombinant human bone morphogenetic protein-2 (rhBMP-2). The rhBMP-2/PELA microspheres were prepared using the water-in-oil-in-water (W/O/W) solvent evaporation method. This work was conducted to optimize the entrapping conditions of the rhBMP-2 loaded PELA copolymer. The effects on encapsulation efficiency (EE) of different molecular weights (MW) of PEG in the copolymer, the amount of PELA, the amount of rhBMP-2, the span-20 concentration, the polyvinyl alcohol (PVA) concentration and stirring time were tested. On the basis of single-factor experiments, the optimum parameters were achieved using response surface methodology (RSM). The results showed that the highest EE of BMP-2 was achieved with a span-20 concentration of 0.5%, PEG MW 4000 Da, a stirring time of 30 min at 800 rpm min(-1), 282.3 mg of PELA, 1 μg of rhBMP-2 and PVA concentration 0.79%. Under these optimal conditions, it was predicted that the highest EE to be achieved would be 76.5%; the actual EE achieved was 75%.
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Affiliation(s)
- Xialin Li
- Department of Orthopaedics, Zhujiang Hospital affiliated with Southern Medical University Guangzhou, Guangzhou 510282, People's Republic of China
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Xu X, Qiu S, An S, Jin A, Min S. [Analysis of risk factors of nonspecific low back pain in a community population: a case-control study]. Nan Fang Yi Ke Da Xue Xue Bao 2014; 34:1794-1798. [PMID: 25537905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To analyze the risk factors of nonspecific low back pain in community populations. METHODS Two community populations were investigated using questionnaires in this case-control study. The questionnaire was designed to collect data including age, gender, body weight, marriage, education, income, occupation, labor intensity, smoking, alcohol drinking and social mental status. The subjects with low back pain constituted the case group and those without low back pain served as the control group, and the data was analyzed by a Logistic regression model. RESULTS A total of 1747 community residents participated in this survey, among whom 398 subjects had low back pain and 1126 subjects without low back pain were selected as the control group. Of all the latent risk factors of low back pain in Logistic regression model, gender was the most relevant factor (OR=3.5522) followed by education (OR=1.958), labor intensity (OR=1.956), marital status (OR=1.612), vibration source exposure (OR=1.491), BMI (OR=1.127) and age (OR=1.060). CONCLUSION Gender, education, labor intensity, marriage, vibration source exposure and BMI are risk factors of nonspecific low back pain in community populations, and exercises and mental status can be protective factors against low back pain.
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Affiliation(s)
- Xinyi Xu
- Orthopaedic Center, Zhujiang Hospital, Southen Medical University, Guangzhou 510282, China.E-mail:
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Shi B, Zheng X, Min S, Zhou Z, Ding Z, Jin A. The morphology and clinical significance of the dorsal meningovertebra ligaments in the cervical epidural space. Spine J 2014; 14:2733-9. [PMID: 24768751 DOI: 10.1016/j.spinee.2014.04.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2013] [Revised: 02/12/2014] [Accepted: 04/16/2014] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT The dural sac is anchored within the vertebral canal by connective tissue called meningovertebral ligaments in the epidural space. During flavectomy and laminectomy, inadvertent disruption of the dorsal meningovertebral ligaments may lead to dura laceration and cerebrospinal fluid (CSF) leaks. All the described dorsal meningovertebral ligaments were located in the lumbar region. A rare study is available about dorsal meningovertebral ligaments of the cervical spinal dura to the adjacent vertebrae. PURPOSE To identify and describe the dorsal meningovertebral ligaments at each cervical level and discuss their clinical significance. STUDY DESIGN A dissection-based study of 22 embalmed cadavers. METHODS The anatomy was studied in 22 whole cervical cadavers (11 females, 11 males), prepared with formaldehyde, whose ages at the time of death ranged from 55 to 78 years. The vertebral canal was divided to expose the dural sac and the spinal nerve roots. At all levels of the cervical vertebra, the morphology, quantity, origin, insertion, and spatial orientation of the dorsal meningovertebral ligaments were determined and the length, width or diameter, and thickness of the ligaments were measured with vernier calipers. RESULTS The dorsal meningovertebral ligaments in the cervical region anchored the posterior dural sac to the ligamentum flavum or laminae. The number of attachment points on the ligamentum flavum was relatively larger than that on the lamina, and the occurrence rate of dorsal meningovertebral ligaments was 100% at C1-C2 and C4--C5. The thickest ligaments were observed at the C1 and C2 vertebrae. The length of the ligaments varied from 1.50 to 35.22 mm, and the orientation of the ligaments mostly was craniocaudal. The morphology of the dorsal meningovertebral ligaments was divided into four types: strip type, cord type, grid type, and thin slice type. CONCLUSIONS In the cervical spine, the dorsal meningovertebral ligaments exist between the posterior dural sac and the ligamentum flavum or lamina. The dorsal meningovertebral ligaments may be of clinical importance to surgeons. Dissecting the dorsal meningovertebral ligaments before the cervical flavectomy and laminectomy may be an important step in reducing postoperative dura laceration and CSF leaks, which may result in significant benefits for patients and health-care organizations.
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Affiliation(s)
- Benchao Shi
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, 253 Gongye Rd, 510282 Guangzhou, China
| | - Xuefeng Zheng
- Anatomical Institute of Minimally Invasive Surgery, Southern Medical University, TongHe 510515 Guangzhou, China
| | - Shaoxiong Min
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, 253 Gongye Rd, 510282 Guangzhou, China
| | - Zhilai Zhou
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, 253 Gongye Rd, 510282 Guangzhou, China
| | - Zihai Ding
- Anatomical Institute of Minimally Invasive Surgery, Southern Medical University, TongHe 510515 Guangzhou, China.
| | - Anmin Jin
- Department of Orthopedics, Zhujiang Hospital, Southern Medical University, 253 Gongye Rd, 510282 Guangzhou, China.
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Min S. SY04-3 * PHARMACOTHERAPY FOR ALCOHOLISM IN KOREA. Alcohol Alcohol 2014. [DOI: 10.1093/alcalc/agu052.24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Kim S, Min S, Jung I, Park M, Ha J. Beraprost Sodium (Prostaglandin I2 analogue) Delays Deterioration of allograft Dysfunction in Kidney Transplant Recipient Treated With Calcineurin Inhibitors. Transplantation 2014. [DOI: 10.1097/00007890-201407151-01587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Han M, Jeong J, Koo T, Jeon H, Ro H, Chung W, Min S, Ha J, Park J, Kim S, Ahn C, Yang J. The Outcomes of Simultaneous Pancreas Kidney Transplantation and Its Comparison With Kidney Transplantation Alone in Diabetic End Stage Renal Disease Patients. Transplantation 2014. [DOI: 10.1097/00007890-201407151-02927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Hong G, Min S, Lee H. Initial Strategy and Outcome of the Newly Starting Liver Transplantation Center. Transplantation 2014. [DOI: 10.1097/00007890-201407151-00776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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