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Wang S, Gao Y, Liu Z, Yang C, An N, Meng H, Yan M, Qu G, Guo C. Cell-cargo mediated ZrN nanoparticle for the synergetic phototherapy on both of mice and rabbits. Eur J Pharm Biopharm 2020; 149:163-169. [PMID: 32087297 DOI: 10.1016/j.ejpb.2020.02.006] [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: 08/09/2019] [Revised: 01/01/2020] [Accepted: 02/11/2020] [Indexed: 11/27/2022]
Abstract
Realization of phototherapy on the big animal modal with orthotopic tumor is of considerable significance in view of its great clinical relevance to the human deep tumor treatment. Herein, near infrared (NIR)-active ZrN nanoparticles were chosen for both of photothermal and photodynamic purposes to achieve the synergetic phototherapy on mice with subcutaneous tumor and even rabbits bearing with orthotopic tumor. Broad and strong photoabsorption, photosensitive ROS generation and photothermal effect of ZrN nanoparticles together made it to be ideal candidate for the effective tumor photoablation. Meanwhile, cell-cargo of macrophage enables targeted delivery of ZrN nanoparticles without influence on its photophysical properties. Resultantly, macrophage loaded ZrN could efficiently mediate synergetic phototherapeutic outcome as proved by complete removal of solid tumor from mice and rabbits. In this work, we also introduced B-mode ultrasonography and contrast-enhanced ultrasound technique for monitoring the evolution process of deep orthotopic tumor on rabbits post-treatment and confirmed the pathological changes of vascular degeneration and liquefaction necrosis post phototherapy.
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Affiliation(s)
- Siqi Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Yan Gao
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Zhao Liu
- Harbin Medical University Cancer Hospital, Harbin 150080, China
| | - Chunyu Yang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Na An
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China
| | - Hongxue Meng
- Harbin Medical University Cancer Hospital, Harbin 150080, China
| | - Mei Yan
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China.
| | - Guofan Qu
- Harbin Medical University Cancer Hospital, Harbin 150080, China.
| | - Chongshen Guo
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150080, China.
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Qian J, Meng H, Lv B, Wang J, Lu Y, Su L, Zhao S, Li W. High expression levels of TLR9 and PD-L1 indicates a poor prognosis in patients with angioimmunoblastic T-cell lymphoma: a retrospective study of 88 cases in a single center. J Cancer 2020; 11:57-68. [PMID: 31892973 PMCID: PMC6930404 DOI: 10.7150/jca.37033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 05/27/2019] [Accepted: 09/22/2019] [Indexed: 12/28/2022] Open
Abstract
Background: The role of TLR9 expressed by tumor cells in evading immune surveillance was confirmed. PD-L1 expression in tumor cells plays a key role in tumor immune escape, which is associated with poor prognosis. However, the clinical relevance of TLR9 and PD-L1 expression in angioimmunoblastic T-cell lymphoma (AITL) has not been evaluated. Materials and methods: In this study, we identified differentially expressed genes in AITL samples by bioinformatic analysis, and we first examined TLR9 and PD-L1 expression by immunohistochemical staining in patients with AITL and compared these data with clinical features and survival time. Results: It was found that the expression of PD-L1 and multiple TLRs was higher in AITL than normal T-cell samples, and TLR9 and PD-L1 expression displayed complex interactions by bioinformatic analysis. The rates of TLR9 and PD-L1 high expression were 69% and 50%, respectively. High expression of either TLR9 or PD-L1 indicated a poor survival rate for patients with AITL. Multivariate analysis further confirmed that high expression levels of TLR9 and PD-L1 were unfavorable prognostic factors for AITL. We further found inferior overall survival in AITL with clinical features of ECOG status ≥ 2, advanced-stage, elevated serum LDH levels, elevated serum β2-MG levels, and high IPI score. Conclusion: TLR9 and PD-L1 expression may be a novel predictor of prognosis for patients with AITL and may serve as potential therapeutic strategy.
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Affiliation(s)
- Jingrong Qian
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P. R. China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P. R. China
| | - Bowen Lv
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P. R. China
| | - Jie Wang
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P. R. China
| | - Yingying Lu
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P. R. China
| | - Liju Su
- Department of Clinical Laboratory, The First Hospital of Harbin, Harbin, Heilongjiang 150010, P. R. China
| | - Shu Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P. R. China
| | - Wenhui Li
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P. R. China
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53
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Meng H, Ma KJ, Dong LM, Li CT, Xiao B, Xu LY, Huang P, Xie JH. Research Progress on Age Estimation Based on DNA Methylation. Fa Yi Xue Za Zhi 2019; 35:537-544. [PMID: 31833286 DOI: 10.12116/j.issn.1004-5619.2019.05.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Indexed: 11/30/2022]
Abstract
Abstract Age estimation is of great significance in the fields of criminal investigation and forensic identification. It can provide the age information of individuals to judicial departments to facilitate the development of judicial work. In recent years, age estimation methods expanded from the morphological level to the molecular biology level. With the rapid development of epigenetics represented by DNA methylation, and the advancement of DNA methylation detection technology together with the detection platform, many age estimation methods based on DNA methylation biomarkers, or using several biological fluids, such as blood, blood stains, saliva, semen stains, etc. are developed. Currently, researches related to age estimation based on DNA methylation are relatively widely carried out. This paper summarizes the researches on age estimation based on DNA methylation, in order to provide references for related studies and forensic applications.
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Affiliation(s)
- H Meng
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China.,Institute of Forensic Science, Shanghai Municipal Public Security Bureau, Shanghai 200083, China.,Department of Forensic Medicine, Fudan University, Shanghai 200032, China
| | - K J Ma
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China.,Institute of Forensic Science, Shanghai Municipal Public Security Bureau, Shanghai 200083, China
| | - L M Dong
- Minhang Branch of Shanghai Municipal Public Security Bureau, Shanghai 201108, China
| | - C T Li
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - B Xiao
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China.,Institute of Forensic Science, Shanghai Municipal Public Security Bureau, Shanghai 200083, China
| | - L Y Xu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai 200083, China.,Institute of Forensic Science, Shanghai Municipal Public Security Bureau, Shanghai 200083, China
| | - P Huang
- Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai 200063, China
| | - J H Xie
- Department of Forensic Medicine, Fudan University, Shanghai 200032, China
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Li H, Yang X, Yao G, Zhang Y, Xu Y, Cao Y, An X, Li H, Chen H, Geng J, Yuan D, Jin X, Meng H. Triptolide inhibits tonsillar IgA production by upregulating FDC-SP in IgA nephropathy. Histol Histopathol 2019; 35:599-608. [PMID: 31815288 DOI: 10.14670/hh-18-190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
IgA nephropathy (IgAN) is primarily resulted of qualitative abnormality of IgA. The occurrence of IgAN is associated with affected tonsils which enhances the IgA production via IgA class switching and immuno-activation. Follicular dendritic cell-secreted protein (FDC-SP) was found to be a negative effect for IgA production in tonsil. The previous studies suggested that Triptolide might reduce IgA production by its immunosuppression role. Given this background, this study investigated the mechanisms underlying the role of Triptolide and FDC-SP in the generation of IgA and IgA class switching in tonsil of IgAN patients. Immunohistochemistry and reverse transcription-polymerase chain reaction revealed that the expression of FDC-SP was increased in the tonsils of IgAN patients with Triptolide treatment compared with those without treatment. Meanwhile, the expression of FDC-SP was negatively correlated with IgA inducing cytokines in the tonsils of IgAN patients treated with Triptolide, due to the significant decreased IgA-bearing cells. The expression of FDC-SP in tonsillar tissue was confirmed by double immunofluorescence. Importantly, Triptolide promoted FDC-SP secretion, and correlated negatively with decreased IgA production in isolated FDC-associated clusters, which had been isolated from patients without TW treatment previously. Our study demonstrated that Triptolide might have an impact on FDC-SP production and downregulation of IgA synthesis in the tonsils of IgAN patients, which could be a promising strategy for therapeutic intervention in IgAN patients.
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Affiliation(s)
- Huining Li
- Department of Pathology, Harbin Medical University, Harbin, China.,Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China.,Department of Pathology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Xinxin Yang
- Department of Pathology, Harbin Medical University, Harbin, China
| | - Guodong Yao
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | | | - Yangyang Xu
- Department of urinary surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yan Cao
- Department of urinary surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xushu An
- Department of urinary surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Haibo Li
- Department of urinary surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Hui Chen
- Department of urinary surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jingshu Geng
- Department of Pathology, Harbin Medical University, Harbin, China.,Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Dawei Yuan
- Department of Medical, Genesis Co. Ltd, Beijing, China
| | - Xiaoming Jin
- Department of Pathology, Harbin Medical University, Harbin, China.
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China.,Department of Pathology, Harbin Medical University, Harbin, China.
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55
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Qian J, Meng H, Lv B, Wang J, Lu Y, Li W, Zhao S. TLR9 expression is associated with PD-L1 expression and indicates a poor prognosis in patients with peripheral T-cell lymphomas. Pathol Res Pract 2019; 216:152703. [PMID: 31879046 DOI: 10.1016/j.prp.2019.152703] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/06/2019] [Accepted: 10/19/2019] [Indexed: 11/28/2022]
Abstract
Toll-like receptor9 (TLR9), a member of pattern recognition receptors, play an important role in tumor immunologic surveillance. However, the clinical impact of TLR9 and programmed cell death-ligand 1 (PD-L1) in peripheral T-cell lymphomas (PTCL) remains unclear. In this study, we examined the expression of TLR9 and PD-L1 by immunohistochemical staining in patients with PTCL, and evaluated the clinical significance between expression and clinicopathological features. We found that the rates of high expression of TLR9 and PD-L1 on tumor cells were 65.3% and 45.8% in PTCL, respectively. TLR9 expression was associated with PD-L1 expression in PTCL. Moreover, TLR9 expression was associated with gender, ECOG score, Ki-67 expression, while PD-L1 expression was associated with the number of extranodal involvement and platelet count. High expression of either TLR9 or PD-L1 indicated a poor survival rate for patients with PTCL. Multivariate analysis confirmed that high expression of TLR9 and PD-L1 were unfavorable prognostic factors for patients with PTCL. Thus, TLR9 and PD-L1 expression might be important on the point of prognostic markers in PTCL.
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Affiliation(s)
- Jingrong Qian
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, PR China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, PR China
| | - Bowen Lv
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, PR China
| | - Jie Wang
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, PR China
| | - Yingying Lu
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, PR China
| | - Wenhui Li
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, PR China.
| | - Shu Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, PR China.
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56
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Rajabzadeh-Oghaz H, Wang J, Varble N, Sugiyama SI, Shimizu A, Jing L, Liu J, Yang X, Siddiqui AH, Davies JM, Meng H. Novel Models for Identification of the Ruptured Aneurysm in Patients with Subarachnoid Hemorrhage with Multiple Aneurysms. AJNR Am J Neuroradiol 2019; 40:1939-1946. [PMID: 31649161 DOI: 10.3174/ajnr.a6259] [Citation(s) in RCA: 5] [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] [Received: 12/05/2018] [Accepted: 08/23/2019] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE In patients with SAH with multiple intracranial aneurysms, often the hemorrhage pattern does not indicate the rupture source. Angiographic findings (intracranial aneurysm size and shape) could help but may not be reliable. Our purpose was to test whether existing parameters could identify the ruptured intracranial aneurysm in patients with multiple intracranial aneurysms and whether composite predictive models could improve the identification. MATERIALS AND METHODS We retrospectively collected angiographic and medical records of 93 patients with SAH with at least 2 intracranial aneurysms (total of 206 saccular intracranial aneurysms, 93 ruptured), in which the ruptured intracranial aneurysm was confirmed through surgery or definitive hemorrhage patterns. We calculated 13 morphologic and 10 hemodynamic parameters along with location and type (sidewall/bifurcation) and tested their ability to identify rupture in the 93 patients. To build predictive models, we randomly assigned 70 patients to training and 23 to holdout testing cohorts. Using a linear regression model with a customized cost function and 10-fold cross-validation, we trained 2 rupture identification models: RIMC using all parameters and RIMM excluding hemodynamics. RESULTS The 25 study parameters had vastly different positive predictive values (31%-87%) for identifying rupture, the highest being size ratio at 87%. RIMC incorporated size ratio, undulation index, relative residence time, and type; RIMM had only size ratio, undulation index, and type. During cross-validation, positive predictive values for size ratio, RIMM, and RIMC were 86% ± 4%, 90% ± 4%, and 93% ± 4%, respectively. In testing, size ratio and RIMM had positive predictive values of 85%, while RIMC had 92%. CONCLUSIONS Size ratio was the best individual factor for identifying the ruptured aneurysm; however, RIMC, followed by RIMM, outperformed existing parameters.
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Affiliation(s)
- H Rajabzadeh-Oghaz
- From the Canon Stroke and Vascular Research Center (H.R.-O., N.V., A.H.S., J.M.D., H.M.).,Departments of Mechanical and Aerospace Engineering (H.R.-O., N.V., H.M.)
| | - J Wang
- Biostatistics (J.W.), University at Buffalo, Buffalo, New York
| | - N Varble
- From the Canon Stroke and Vascular Research Center (H.R.-O., N.V., A.H.S., J.M.D., H.M.).,Departments of Mechanical and Aerospace Engineering (H.R.-O., N.V., H.M.)
| | - S-I Sugiyama
- Department of Neuroanesthesia (S.-I.S.), Kohnan Hospital, Sendai, Japan.,Department of Neurosurgery (S.-I.S., A.S.), Tohoku University Graduate School of Medicine, Sendai, Japan
| | - A Shimizu
- Department of Neurosurgery (S.-I.S., A.S.), Tohoku University Graduate School of Medicine, Sendai, Japan
| | - L Jing
- Department of Interventional Neuroradiology (L.J., J.L., X.Y., H.M.), Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - J Liu
- Department of Interventional Neuroradiology (L.J., J.L., X.Y., H.M.), Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - X Yang
- Department of Interventional Neuroradiology (L.J., J.L., X.Y., H.M.), Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - A H Siddiqui
- From the Canon Stroke and Vascular Research Center (H.R.-O., N.V., A.H.S., J.M.D., H.M.).,Departments of Neurosurgery (A.H.S., J.M.D.).,Radiology (A.H.S.), Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York.,Jacobs Institute (A.H.S., J.M.D), Buffalo, New York
| | - J M Davies
- From the Canon Stroke and Vascular Research Center (H.R.-O., N.V., A.H.S., J.M.D., H.M.).,Departments of Neurosurgery (A.H.S., J.M.D.).,Bioinformatics (J.M.D.).,Jacobs Institute (A.H.S., J.M.D), Buffalo, New York
| | - H Meng
- From the Canon Stroke and Vascular Research Center (H.R.-O., N.V., A.H.S., J.M.D., H.M.) .,Departments of Mechanical and Aerospace Engineering (H.R.-O., N.V., H.M.).,Department of Interventional Neuroradiology (L.J., J.L., X.Y., H.M.), Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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57
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Meng H, Guo X, Sun D, Liang Y, Lang J, Han Y, Lu Q, Zhang Y, An Y, Tian G, Yuan D, Xu S, Geng J. Genomic Profiling of Driver Gene Mutations in Chinese Patients With Non-Small Cell Lung Cancer. Front Genet 2019; 10:1008. [PMID: 31749831 PMCID: PMC6842958 DOI: 10.3389/fgene.2019.01008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [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: 01/08/2019] [Accepted: 09/23/2019] [Indexed: 01/15/2023] Open
Abstract
Worldwide, especially in China, lung cancer accounts to a major cause of mortality related to cancer. Treatment decisions mainly depend on oncogenic driver mutations, which offer novel therapeutic targets for anticancer therapy. However, studies of genomic profiling of driver gene mutations in mainland China are rare. Hence, this is an extensive study of these mutations in Non-small-cell lung cancer (NSCLC) Chinese patients. Comparison of driver gene mutations of lung adenocarcinoma with other races showed that the mutational frequencies were similar within the different East Asian populations, while there were differences between East Asian and non-Asian populations. Further, four promising candidates for druggable mutations of epidermal growth factor receptor (EGFR) were revealed that open up avenues to develop and design personal therapeutic approaches for patients harboring mutations. These results will help to develop personalized therapy targeting NSCLC.
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Affiliation(s)
- Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xuejie Guo
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Dawei Sun
- Department of Thoracic Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yuebin Liang
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Jidong Lang
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Yingmin Han
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Qingqing Lu
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Yanxiang Zhang
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Yanxin An
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Geng Tian
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Dawei Yuan
- Department of Medicine, Geneis (Beijing) Co., Ltd., Beijing, China
| | - Shidong Xu
- Department of Thoracic Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jingshu Geng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
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58
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Feng D, Yu X, Tian X, Meng H, Jiang Y, Song H, Li W, Zhang H, Geng J. Metadherin Promotes Malignant Phenotypes And Induces Beta-Catenin Nuclear Translocation And Epithelial-Mesenchymal Transition In Gastric Cancer. Cancer Manag Res 2019; 11:8911-8921. [PMID: 31632151 PMCID: PMC6792945 DOI: 10.2147/cmar.s221422] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [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: 07/01/2019] [Accepted: 09/29/2019] [Indexed: 01/09/2023] Open
Abstract
Purpose Metadherin (MTDH), as an oncogene, is associated with metastasis and poor prognosis. This study investigated MTDH expressions and development of gastric cancer (GC) cell phenotypes and the contribution of MTDH to epithelial–mesenchymal transition (EMT). Patients and methods MTDH expression was assayed in human GC cell lines and tumor tissue from 92 GC patients. Functional experiments were performed to characterize MTDH activity. Expressions of EMT-related proteins (vimentin and E-cadherin), phosphorylated β-catenin and β-catenin were assayed by immunohistochemistry, Western blotting, immunofluorescence, and co-immunoprecipitation, respectively. Results MTDH expressions were higher in GC tissue than that in gastric mucosa from the same patient. MTDH overexpression was correlated with metastasis and enhanced malignant GC phenotypes, i.e., proliferation, migration, invasiveness, and chemoresistance. MTDH overexpression was associated with expressions of vimentin, E-cadherin and cancer stem-cell biomarkers including CD44, CD133, and Oct4. MTDH complexed with β-catenin and decreased phosphorylated β-catenin levels to facilitate β-catenin translocation into the nucleus and expressions of downstream genes. Conclusion MTDH overexpression in GC cells is associated with EMT and development of cancer stem cell malignant phenotypes and affects the subcellular translocation of β-catenin. The results warrant investigation of the prognostic value of MTDH in GC and as a therapeutic target.
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Affiliation(s)
- Di Feng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Xiaoyu Yu
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Xing Tian
- Department of Microbiology and Center of Infectious Disease, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, People's Republic of China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - Yang Jiang
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - HongTao Song
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - WenQi Li
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
| | - HaoCheng Zhang
- Department of Pharmacy, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150070, People's Republic of China
| | - Jingshu Geng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, People's Republic of China
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Tinklenberg J, Slick R, Vanden Avond M, Beatka M, Prom M, Siebers E, Meng H, Grzybowski M, Heisner J, Ross J, Ochala J, Nowak K, Zhang L, Geurts A, Stowe D, Montanaro F, Lawlor M. CONGENITAL MYOPATHIES: NEMALINE MYOPATHIES. Neuromuscul Disord 2019. [DOI: 10.1016/j.nmd.2019.06.209] [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]
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60
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Affiliation(s)
- Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150086, China
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61
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Elmadih W, Chronopoulos D, Syam WP, Maskery I, Meng H, Leach RK. Three-dimensional resonating metamaterials for low-frequency vibration attenuation. Sci Rep 2019; 9:11503. [PMID: 31395897 PMCID: PMC6687887 DOI: 10.1038/s41598-019-47644-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 07/15/2019] [Indexed: 11/10/2022] Open
Abstract
Recent advances in additive manufacturing have enabled fabrication of phononic crystals and metamaterials which exhibit spectral gaps, or stopbands, in which the propagation of elastic waves is prohibited by Bragg scattering or local resonance effects. Due to the high level of design freedom available to additive manufacturing, the propagation properties of the elastic waves in metamaterials are tunable through design of the periodic cell. In this paper, we outline a new design approach for metamaterials incorporating internal resonators, and provide numerical and experimental evidence that the stopband exists over the irreducible Brillouin zone of the unit cell of the metamaterial (i.e. is a three-dimensional stopband). The targeted stopband covers a much lower frequency range than what can be realised through Bragg scattering alone. Metamaterials have the ability to provide (a) lower frequency stopbands than Bragg-type phononic crystals within the same design volume, and/or (b) comparable stopband frequencies with reduced unit cell dimensions. We also demonstrate that the stopband frequency range of the metamaterial can be tuned through modification of the metamaterial design. Applications for such metamaterials include aerospace and transport components, as well as precision engineering components such as vibration-suppressing platforms, supports for rotary components, machine tool mounts and metrology frames.
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Affiliation(s)
- W Elmadih
- Manufacturing Metrology Team, Faculty of Engineering, University of Nottingham, Nottingham, NG8 1BB, UK.
| | - D Chronopoulos
- Institute for Aerospace Technology & Composites Group, Faculty of Engineering, University of Nottingham, Nottingham, NG8 1BB, UK
| | - W P Syam
- Manufacturing Metrology Team, Faculty of Engineering, University of Nottingham, Nottingham, NG8 1BB, UK
| | - I Maskery
- Centre for Additive Manufacturing, Faculty of Engineering, University of Nottingham, Nottingham, NG8 1BB, UK
| | - H Meng
- Institute for Aerospace Technology & Composites Group, Faculty of Engineering, University of Nottingham, Nottingham, NG8 1BB, UK
| | - R K Leach
- Manufacturing Metrology Team, Faculty of Engineering, University of Nottingham, Nottingham, NG8 1BB, UK
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Wang T, Hao D, Yang S, Ma J, Yang W, Zhu Y, Weng M, An X, Wang X, Li Y, Wu D, Tang J, Yang C, He Y, Zhang L, Jin X, Wang G, Li Z, Zheng T, Meng H, Feng Y, Li X. miR-211 facilitates platinum chemosensitivity by blocking the DNA damage response (DDR) in ovarian cancer. Cell Death Dis 2019; 10:495. [PMID: 31235732 PMCID: PMC6591289 DOI: 10.1038/s41419-019-1715-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 04/20/2019] [Accepted: 05/29/2019] [Indexed: 02/08/2023]
Abstract
The DNA damage response (DDR) is one of the most important mechanisms of platinum resistance in ovarian cancer. Some miRNAs have been identified to be involved in the regulatory network of DDR, thus the abnormal expression of miRNAs might affect platinum chemosensitivity in ovarian cancer. In this study, by assessing miRNAs simultaneously targeting a set of DDR genes that exhibited response to platinum, we found that miR-211 inhibited most of those genes, and proposed that miR-211 might affect the sensitivity of ovarian cancer cells to platinum by targeting multiple DDR genes and thereby determine the prognosis of ovarian cancer. To verify the hypothesis, we analyzed the association between miR-211 level and clinical prognosis, assessed the effect of miR-211 on DDR and platinum chemosensitivity, and explored the possible molecular mechanism. We revealed that miR-211 enhanced platinum chemosensitivity and was positively correlated with favorable outcomes in ovarian cancer patients. Many DDR genes including TDP1 were identified as targets of miR-211. In contrast, TDP1 suppressed DNA damage and platinum chemosensitivity. Moreover, the miR-211 level in tissues was shown to be associated with the good outcome of neoadjuvant chemotherapy and negatively correlated with the expression of TDP1. Conclusively, we demonstrated that miR-211 improves the prognosis of ovarian cancer patients by enhancing the chemosensitivity of cancer cells to platinum via inhibiting DDR gene expression, which provides an essential basis to identify novel treatment targets to block DDR effectively and improve chemosensitivity in ovarian cancer.
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Affiliation(s)
- Tianzhen Wang
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Dapeng Hao
- Faculty of Health Sciences, University of Macau, Macau, China
| | - Shucai Yang
- Department of Anatomy, Harbin Medical University, Harbin, 150081, China
| | - Jianhui Ma
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Weiwei Yang
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Yuanyuan Zhu
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Mingjiao Weng
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Xiang An
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Xuefei Wang
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Yafei Li
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Di Wu
- Department of Obstetrics and Gynecology, First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Jing Tang
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Chao Yang
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Yan He
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Lei Zhang
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Xiaoming Jin
- Department of Pathology, Harbin Medical University, Harbin, 150081, China
| | - Guangyu Wang
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Zhiwei Li
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Tongsen Zheng
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University & Harbin Medical University Cancer Hospital, Harbin, 150081, China.
| | - Yukuan Feng
- Key Laboratory of Heilongjiang Province for Cancer Prevention and Control, School of Basic Medicine, Mudanjiang Medical University, Mudanjiang, 157011, China.
| | - Xiaobo Li
- Department of Pathology, Harbin Medical University, Harbin, 150081, China. .,North China Translational Medicine Research and Cooperation Center (NTMRC), Harbin, 150081, China.
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Zhao S, Sun M, Meng H, Ji H, Liu Y, Zhang M, Li H, Li P, Zhang Y, Zhang Q. TLR4 expression correlated with PD-L1 expression indicates a poor prognosis in patients with peripheral T-cell lymphomas. Cancer Manag Res 2019; 11:4743-4756. [PMID: 31191027 PMCID: PMC6536125 DOI: 10.2147/cmar.s203156] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [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: 01/28/2019] [Accepted: 04/30/2019] [Indexed: 12/14/2022] Open
Abstract
Background: Toll-like receptor 4 (TLR4), a member of the pattern recognition receptors, has been reported to be involved in carcinogenesis. However, the clinical impact of TLR4 in peripheral T-cell lymphomas (PTCL) remains unclear. Methods: The current study, using immunohistochemical staining, first examined TLR4 and programmed cell death-ligand 1 (PD-L1) expression in patients with PTCL, to correlate TLR4 and PD-L1 expression with clinicopathological parameters. Results: It was found that the rates of high expression of TLR4 and PD-L1 were 41.7% and 45.8%, respectively. TLR4 expression was closely associated with PD-L1 expression. The expression of TLR4 was closely related to primary extranodal site involvement, increased Ann Arbor stage, and low hemoglobin expression, while the expression of PD-L1 was closely related to a low platelet count and multiple extranodal organ involvements (>1). High expression of either TLR4 or PD-L1 indicated a poor survival rate for patients with PTCL. Multivariate analyses further confirmed that increased expression levels of TLR4 and PD-L1 are unfavorable prognostic factors for PTCL. Conclusion: This study demonstrates that the expressions of TLR4 and PD-L1 are independent predictors of survival time for patients with PTCL. Thus, TLR4 and PD-L1 may serve as potential therapeutic targets in PTCL patients.
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Affiliation(s)
- Shu Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, People's Republic of China
| | - Mengqi Sun
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, People's Republic of China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, People's Republic of China
| | - Hongfei Ji
- Heilongjiang Cancer Research and Prevention Institute, Harbin, Heilongjiang, People's Republic of China
| | - Yupeng Liu
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, Heilongjiang, People's Republic of China
| | - Minghui Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, People's Republic of China
| | - Hongbin Li
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, People's Republic of China
| | - Pengfei Li
- Medical Imaging Center, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, People's Republic of China
| | - Yue Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, People's Republic of China
| | - Qingyuan Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, People's Republic of China
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64
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Xiao L, He C, Luo L, Yang K, Yang L, Xu K, Zheng Y, Gu C, Huang Q, Meng H. Genome-wide association study identified genes in the response to Salmonella pullorum infection in chickens. Anim Genet 2019; 50:403-406. [PMID: 31017703 DOI: 10.1111/age.12787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/12/2019] [Indexed: 11/27/2022]
Abstract
Pullorum is a bacterial disease that threatens the modern poultry industry. Over the years, research on this topic has focused mainly on its epidemiology, whereas the hosts' genetic basis of infection is still vague. In order to identify chickens' genes associated with pullorum, we sequenced 300 New Pudong chicken by double digest genotyping-by-sequencing. We obtained 1 527 953 SNPs for a genome-wide association analysis, which identified 43 genome-wide significant markers. Most of the significant SNPs were in the interval of 57.7-59.0 Mb on chromosome 5. The gene set enrichment analysis suggests a potential manner for bacterial infection and remaining inside the host. This work provides basic data for the purification, prevention and treatment of pullorum disease.
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Affiliation(s)
- L Xiao
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240, Shanghai, China
| | - C He
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240, Shanghai, China
| | - L Luo
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240, Shanghai, China
| | - K Yang
- Animal Husbandry and Veterinary Research Institute, Shanghai Academy of Agricultural Science, 2901 Beidi Road, 201106, Shanghai, China
| | - L Yang
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240, Shanghai, China
| | - K Xu
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240, Shanghai, China
| | - Y Zheng
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240, Shanghai, China
| | - C Gu
- Animal Husbandry and Veterinary Research Institute, Shanghai Academy of Agricultural Science, 2901 Beidi Road, 201106, Shanghai, China
| | - Q Huang
- Animal Husbandry and Veterinary Research Institute, Shanghai Academy of Agricultural Science, 2901 Beidi Road, 201106, Shanghai, China
| | - H Meng
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, 200240, Shanghai, China
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Sun M, Su W, Qian J, Meng H, Ji H, Liu Y, Zhang Y, Li W, Zhang Q, Zhao S. The prognostic value of toll-like receptor5 and programmed cell death-ligand1 in patients with peripheral T-cell non-Hodgkin lymphoma. Leuk Lymphoma 2019; 60:2646-2657. [PMID: 31017033 DOI: 10.1080/10428194.2019.1602266] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Mengqi Sun
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, P. R. China
| | - Wenjia Su
- Department of Hematology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, P. R. China
| | - Jingrong Qian
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, P. R. China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, P. R. China
| | - Hongfei Ji
- Heilongjiang Cancer Research and Prevention Institute, Harbin, Heilongjiang, P. R. China
| | - Yupeng Liu
- Department of Epidemiology, School of Public Health, Harbin Medical University, Harbin, Heilongjiang, P. R. China
| | - Yue Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, P. R. China
| | - Wenhui Li
- Department of Clinical Laboratory, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, P. R. China
| | - Qingyuan Zhang
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, P. R. China
- Heilongjiang Cancer Research and Prevention Institute, Harbin, Heilongjiang, P. R. China
| | - Shu Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang, P. R. China
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Wang J, Liu J, Meng H, Guan Y, Yin Y, Zhao Z, Sun G, Wu A, Chen L, Yu X. Neural stem cells promote glioblastoma formation in nude mice. Clin Transl Oncol 2019; 21:1551-1560. [PMID: 30945128 DOI: 10.1007/s12094-019-02087-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 03/11/2019] [Indexed: 12/15/2022]
Abstract
PURPOSE Neural stem cells (NSCs) have been characterized with the ability of self-renewal and neurogenesis, which has inspired lots of studies to clarify the functions of NSCs in neural injury, ischemic stroke, brain inflammation and neurodegenerative diseases. We focused on the relationship of NSCs with glioblastoma, since we have discovered that recurrent glioblastomas were inclined to be derived from subventricular zone (SVZ), where NSCs reside. We want to clarify whether NSCs are involved in glioblastoma relapse. METHODS Immunocytochemistry was used to confirm the stemness of NSCs. The Cell Counting Kit-8 was used to measure the proliferation of cells. Migration abilities were examined by wound healing and transwell assays, and tumor formation abilities were confirmed in nude mice. RESULTS We found in experiments that NSCs promoted proliferation of a glioblastoma cell line-Ln229, the migration ability of Ln229 cells was motivated by co-cultured with NSCs. Tumor formation of Ln229 cells was also accelerated in nude mice when co-transplanted with NSCs. In immunohistochemistry, we found that the Sox2- and Ki67-positive cells were much higher in co-transplanted groups than that of control groups. CONCLUSIONS These results imply the potential role that NSCs play in speeding up tumor formation in the process of glioblastoma relapse, providing the basis for dealing with newly diagnosed glioblastoma patients, which may help postpone the recurrence of glioblastoma as far as possible through preprocessing the tumor-adjacent SVZ tissue.
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Affiliation(s)
- J Wang
- Department of Neurosurgery, Chinese People'S Liberation Army (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China.,Department of Neurosurgery, Hospital of Eighty-First Army Group of Chinese PLA, Zhang jiakou, 075000, People's Republic of China
| | - J Liu
- Department of Neurosurgery, Chinese People'S Liberation Army (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China
| | - H Meng
- Department of Neurosurgery, Chinese People'S Liberation Army (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China
| | - Y Guan
- Department of Cell Biology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, People's Republic of China
| | - Y Yin
- Department of Neurosurgery, Chinese People'S Liberation Army (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China
| | - Z Zhao
- Department of Neurosurgery, Chinese People'S Liberation Army (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China
| | - G Sun
- Department of Neurosurgery, Chinese People'S Liberation Army (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China
| | - A Wu
- Department of Neruosurgery, The First Hospital of China Medical University, Shenyang, 110122, People's Republic of China
| | - L Chen
- Department of Neurosurgery, Chinese People'S Liberation Army (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China.
| | - X Yu
- Department of Neurosurgery, Chinese People'S Liberation Army (PLA) General Hospital, Medical School of Chinese PLA, Institute of Neurosurgery of Chinese PLA, 28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China.
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Deng S, Meng H, Wang X, Fan X, Wang Q, Zhou M, Guo X, Wei Z, Wang F, Tan C, Huang X. Graphene oxide-film-coated splitting ratio-adjustable Mach-Zehnder interferometer for relative humidity sensing. Opt Express 2019; 27:9232-9240. [PMID: 31052730 DOI: 10.1364/oe.27.009232] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 03/08/2019] [Indexed: 06/09/2023]
Abstract
In this paper, a splitting ratio-adjustable Mach-Zehnder interferometer (MZI) for the measurement of relative humidity (RH) is proposed and experimentally demonstrated. The sensing head contains three sections of single mode fiber (SMF) and two sections of multimode fiber (MMF), in which the two MMFs are spliced among the three SMFs. The MMFs are corroded with hydrofluoric acid and act as mode couplers to split and recombine light owing to the core diameter mismatch with the SMF. A layer of graphene oxide (GO) is coated on the MMFs by dip-coating and natural evaporation. The effective refractive index of the GO will vary when it absorbs the water molecules. As a result, the intensity of the transmission light in the core and cladding of the single mode fiber can be adjusted. Thus, the intensity of the resonant dip will vary when the relative humidity changes. The experimental results show that a humidity sensitivity of 0.263 dB/RH% with a linear correlation coefficient of 99% can be achieved in a relative humidity range of 35% to 85%.
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Chen L, Liu T, Liu H, Liu J, Meng H, Shen S, Yang L, Yu X. Phase I trial of combination dendritic vaccine and immune checkpoint blockade for prevention of postoperative glioblastoma recurrence. Eur J Cancer 2019. [DOI: 10.1016/j.ejca.2019.01.071] [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]
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Paliwal N, Tutino VM, Shallwani H, Beecher JS, Damiano RJ, Shakir HJ, Atwal GS, Fennell VS, Natarajan SK, Levy EI, Siddiqui AH, Davies JM, Meng H. Ostium Ratio and Neck Ratio Could Predict the Outcome of Sidewall Intracranial Aneurysms Treated with Flow Diverters. AJNR Am J Neuroradiol 2019; 40:288-294. [PMID: 30679216 DOI: 10.3174/ajnr.a5953] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 11/07/2018] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Incompletely occluded flow diverter treated aneurysms remain at risk of rupture and thromboembolic complications. Our aim was to identify the potential for incomplete occlusion of intracranial aneurysms treated by flow diverters. We investigated whether aneurysm ostium size in relation to parent artery size affects angiographic outcomes of flow diverter-treated sidewall aneurysms. MATERIALS AND METHODS Flow diverter-treated sidewall aneurysms were divided into "occluded" and "residual" (incomplete occlusion) groups based on 6-month angiographic follow-up. We calculated the ostium ratio, a new parameter defined as the aneurysm ostium surface area versus the circumferential surface area of the parent artery. We also calculated the neck ratio, defined as clinical aneurysm neck diameter versus parent artery diameter from pretreatment 2D DSA, as a 2D surrogate. We compared the performance of these ratios with existing aneurysm morphometrics (size, neck diameter, volume, aspect ratio, size ratio, undulation index, nonsphericity index, ellipticity index, bottleneck factor, aneurysm angle, and parent vessel angle) and flow diverter-related parameters (metal coverage rate and pore density). Statistical tests and receiver operating characteristic analyses were performed to identify significantly different parameters between the 2 groups and test their predictive performances. RESULTS We included 63 flow diverter-treated aneurysms, 46 occluded and 17 residual. The ostium ratio and neck ratio were significantly higher in the residual group than in the occluded group (P < .001 and P = .02, respectively), whereas all other parameters showed no statistical difference. As discriminating parameters for occlusion, ostium ratio and neck ratio achieved areas under the curve of 0.912 (95% CI, 0.838-0.985) and 0.707 (95% CI, 0.558-0.856), respectively. CONCLUSIONS High ostium ratios and neck ratios could predict incomplete occlusion of flow diverter-treated sidewall aneurysms. Neck ratio can be easily calculated by interventionists to predict flow-diverter treatment outcomes.
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Affiliation(s)
- N Paliwal
- From the Department of Mechanical and Aerospace Engineering (N.P., R.J.D., H.M.).,Canon Stroke and Vascular Research Center (N.P., V.M.T., R.J.D., E.I.L., A.H.S., J.M.D., H.M.)
| | - V M Tutino
- Canon Stroke and Vascular Research Center (N.P., V.M.T., R.J.D., E.I.L., A.H.S., J.M.D., H.M.).,Department of Biomedical Engineering (V.M.T., H.M.), University at Buffalo, Buffalo, New York.,Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.)
| | - H Shallwani
- Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Department of Neurosurgery (H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., A.H.S., J.M.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - J S Beecher
- Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Department of Neurosurgery (H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., A.H.S., J.M.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - R J Damiano
- From the Department of Mechanical and Aerospace Engineering (N.P., R.J.D., H.M.).,Canon Stroke and Vascular Research Center (N.P., V.M.T., R.J.D., E.I.L., A.H.S., J.M.D., H.M.)
| | - H J Shakir
- Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Department of Neurosurgery (H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., A.H.S., J.M.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - G S Atwal
- Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Department of Neurosurgery (H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., A.H.S., J.M.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - V S Fennell
- Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Department of Neurosurgery (H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., A.H.S., J.M.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - S K Natarajan
- Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Department of Neurosurgery (H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., A.H.S., J.M.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - E I Levy
- Canon Stroke and Vascular Research Center (N.P., V.M.T., R.J.D., E.I.L., A.H.S., J.M.D., H.M.).,Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Radiology (E.I.L., A.H.S.)
| | - A H Siddiqui
- Canon Stroke and Vascular Research Center (N.P., V.M.T., R.J.D., E.I.L., A.H.S., J.M.D., H.M.).,Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Radiology (E.I.L., A.H.S.).,Department of Neurosurgery (H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., A.H.S., J.M.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York.,Jacobs Institute (A.H.S., J.M.D.), Buffalo, New York
| | - J M Davies
- Canon Stroke and Vascular Research Center (N.P., V.M.T., R.J.D., E.I.L., A.H.S., J.M.D., H.M.).,Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.).,Biomedical Informatics (J.M.D.), Jacobs School of Medicine, University at Buffalo, Buffalo, New York.,Department of Neurosurgery (H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., A.H.S., J.M.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York.,Jacobs Institute (A.H.S., J.M.D.), Buffalo, New York
| | - H Meng
- From the Department of Mechanical and Aerospace Engineering (N.P., R.J.D., H.M.) .,Canon Stroke and Vascular Research Center (N.P., V.M.T., R.J.D., E.I.L., A.H.S., J.M.D., H.M.).,Department of Biomedical Engineering (V.M.T., H.M.), University at Buffalo, Buffalo, New York.,Departments of Neurosurgery (V.M.T., H.S., J.S.B., H.J.S., G.S.A., V.S.F., S.K.N., E.I.L., A.H.S., J.M.D., H.M.)
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Gao Y, Huang W, Yang C, Liu Z, Meng H, Yang B, Xu Y, Guo C. Targeted photothermal therapy of mice and rabbits realized by macrophage-loaded tungsten carbide. Biomater Sci 2019; 7:5350-5358. [DOI: 10.1039/c9bm00911f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This work realized successful photothermal ablation of solid tumor on both mice and rabbits modal in a targetable way.
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Affiliation(s)
- Yan Gao
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Weicheng Huang
- Condensed Matter Science and Technology Institute
- School of Instrumentation Science and Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Chunyu Yang
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Zhao Liu
- Department of Ultrasound
- Harbin Medical University Cancer Hospital
- Harbin 150080
- China
| | - Hongxue Meng
- Department of Ultrasound
- Harbin Medical University Cancer Hospital
- Harbin 150080
- China
| | - Bin Yang
- Condensed Matter Science and Technology Institute
- School of Instrumentation Science and Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Yanling Xu
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
| | - Chongshen Guo
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin
- China
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72
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Shen L, Gong J, Xu Y, Zhang X, Peng Z, Qi C, Li G, Meng H, Liu Z, Wang H, Chen C, Li J, Zheng Y, Lee J, Zhang Y, Zhang Q. A novel recombinant human anti-PD-1 monoclonal antibody GLS-010 in patients with advanced cancer: Result of a phase Ia clinical trial. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy486.017] [Citation(s) in RCA: 4] [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: 11/14/2022] Open
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73
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Abstract
Objectives The incidence of acute Achilles tendon rupture appears to be increasing. The aim of this study was to summarize various therapies for acute Achilles tendon rupture and discuss their relative merits. Methods A PubMed search about the management of acute Achilles tendon rupture was performed. The search was open for original manuscripts and review papers limited to publication from January 2006 to July 2017. A total of 489 papers were identified initially and finally 323 articles were suitable for this review. Results The treatments of acute Achilles tendon rupture include operative and nonoperative treatments. Operative treatments mainly consist of open repair, percutaneous repair, mini-open repair, and augmentative repair. Traditional open repair has lower re-rupture rates with higher risks of complications. Percutaneous repair and mini-open repair show similar re-rupture rates but lower overall complication rates when compared with open repair. Percutaneous repair requires vigilance against nerve damage. Functional rehabilitation combining protected weight-bearing and early controlled motion can effectively reduce re-rupture rates with satisfactory outcomes. Biological adjuncts help accelerating tendon healing by adhering rupture ends or releasing highly complex pools of signalling factors. Conclusion The optimum treatment for complete rupture remains controversial. Both mini-open repair and functional protocols are attractive alternatives, while biotherapy is a potential future development. Cite this article: X. Yang, H. Meng, Q. Quan, J. Peng, S. Lu, A. Wang. Management of acute Achilles tendon ruptures: A review. Bone Joint Res 2018;7:561–569. DOI: 10.1302/2046-3758.710.BJR-2018-0004.R2.
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Affiliation(s)
- X Yang
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - H Meng
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - Q Quan
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - J Peng
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - S Lu
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
| | - A Wang
- Department of Orthopedic Surgery, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China
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74
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Peterson LJ, Hyer K, Meng H, Dobbs D, Gamaldo A, O’Neil K. FACTORS ASSOCIATED WITH WHETHER OLDER ADULTS DISCUSS THEIR EOL CARE PREFERENCES WITH FAMILY MEMBERS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.3141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- L J Peterson
- University of South Florida, Bradenton, Florida, United States
| | - K Hyer
- Florida Policy Exchange Center on Aging, School of Aging Studies, University of South Florida, Tampa, FL
| | - H Meng
- Florida Policy Exchange Center on Aging, School of Aging Studies, University of South Florida, Tampa, FL
| | - D Dobbs
- Florida Policy Exchange Center on Aging, School of Aging Studies, University of South Florida, Tampa, FL
| | - A Gamaldo
- Department of Human Development and Family Studies, Pennsylvania State University, University Park, PA
| | - K O’Neil
- Ascension Senior Living, St. Louis, MO
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75
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Dobbs DJ, Hyer K, Meng H, Haley W, Fanfan D. A PALLIATIVE CARE EDUCATION IN ASSISTED LIVING PROGRAM TO IMPROVE ADVANCE CARE PLANNING DISCUSSIONS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- D J Dobbs
- University of South Florida, Tampa, Florida, United States
| | - K Hyer
- School of Aging Studies, Florida Policy Exchange Center on Aging, University of South Florida, Tampa, FL, USA
| | - H Meng
- School of Aging Studies, Florida Policy Exchange Center on Aging, University of South Florida, Tampa, FL, USA
| | - W Haley
- School of Aging Studies, Florida Policy Exchange Center on Aging, University of South Florida, Tampa, FL, USA
| | - D Fanfan
- College of Nursing, School of Aging Studies, University of South Florida, Tampa, FL, USA
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76
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Li W, Li H, Liu R, Yang X, Gao Y, Niu Y, Geng J, Xue Y, Jin X, You Q, Geng J, Meng H. Comprehensive Analysis of the Relationship Between RAS and RAF Mutations and MSI Status of Colorectal Cancer in Northeastern China. Cell Physiol Biochem 2018; 50:1496-1509. [PMID: 30359964 DOI: 10.1159/000494649] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [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: 03/12/2018] [Accepted: 10/18/2018] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND/AIMS Colorectal cancer (CRC) is mainly caused by chromosomal instability (CIN) and microsatellite instability (MSI). The RAS and RAF genes are essential components of the CIN pathway, and several studies have found that RAS and RAF mutations are associated with MSI status in CRC. Here, we examined these three factors in CRC in Northeast China and aimed to reveal new details of the relationship between these mutations and MSI status. METHODS This study involved 290 patients with CRC who had RAS or RAF gene mutation detected using fluorescence-based allele-specific polymerase chain reaction or Sanger sequencing. The majority of the identified patients were found to harbor MSI (MSI status). Accurate molecular detection was carried out using formalin-fixed paraffin-embedded tissue or blood samples. RESULTS The rates of RAS and RAF mutations were 58.5% and 4.1%, respectively. The prevalence of RAS mutation in CRC was clearly higher and that of RAF mutation was lower in Northeast China compared with previously reported cohorts in other locations. High MSI level (MSI-H status) was more complex, at around 10%. This was consistent with previous data from China. However, compared with data reported from other continents, MSI-H was higher than that of Japan or South Korea in Asia, and lower than that of Europe or the United States. CONCLUSION RAS/RAF mutations and MSI status in CRC are closely associated with tumor location and ethnicity. Further studies investigating the relationship between these three factors can help in the development of treatment strategies for patients with CRC.
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Affiliation(s)
- Wenqi Li
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Huining Li
- Department of Pathology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China.,Department of Pathology, Harbin Medical University, Harbin, China
| | - Ruiqi Liu
- Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Xinxin Yang
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yuhui Gao
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yangyang Niu
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jiashi Geng
- Department of Radiology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yingwei Xue
- Department of Gastroenterology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xiaoming Jin
- Department of Pathology, Harbin Medical University, Harbin, China
| | - Qi You
- Department of Gastroenterology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jingshu Geng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China.,Department of Pathology, Harbin Medical University, Harbin, China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, .,Department of Pathology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, .,Department of Pathology, Harbin Medical University, Harbin,
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77
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Siebers E, Tinklenberg J, Meng H, Ayres S, Vanden Avond M, Slick R, Nowake K, Granzier H, Hardeman E, Montanaro F, Lawlor M. CONGENITAL MYOPATHIES: NEMALINE AND TITINOPATHIES. Neuromuscul Disord 2018. [DOI: 10.1016/j.nmd.2018.06.282] [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]
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78
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Hirai A, Aung NY, Ohe R, Nishida A, Kato T, Meng H, Ishizawa K, Fujii J, Yamakawa M. Expression of TRPM8 in human reactive lymphoid tissues and mature B-cell neoplasms. Oncol Lett 2018; 16:5930-5938. [PMID: 30344743 PMCID: PMC6176370 DOI: 10.3892/ol.2018.9386] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [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: 02/01/2018] [Accepted: 07/30/2018] [Indexed: 12/13/2022] Open
Abstract
Transient receptor potential melastatin 8 (TRPM8) is a member of the transient receptor potential superfamily of Ca2+ channels. The aim of the present study was to clarify TRPM8 expression in reactive lymphoid tissues and mature B-cell neoplasms. Reactive and neoplastic lymphoid tissues were used to evaluate TRPM8 expression by immunohistochemistry and reverse transcription-polymerase chain reaction (RT-PCR). TRPM8+ cells were frequently detected in the follicular light zone and marginal zone of reactive lymphoid tissues. Double immunostaining revealed that TRPM8+ cells co-expressed cluster of differentiation (CD) 38, CD79a, CD138, interferon regulatory factor 4/melanoma associated antigen (mutated) 1, B cell CLL/lymphoma 6 and transmembrane activator and CAML interactor. TRPM8+ neoplastic cells were frequently detected in plasma cell myeloma. The positive band of TRPM8 mRNA was confirmed by RT-PCR in cases of myeloma. The present study is, to the best of our knowledge, the first to demonstrate the expression of TRPM8 in reactive lymphoid tissues and mature B-cell neoplasms, revealing that TRPM8 is frequently expressed in pre-plasmablasts, plasmablasts, plasma cells and mature B-cell lymphomas that are likely to differentiate into plasma cells.
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Affiliation(s)
- Akinori Hirai
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Yamagata 990-9585, Japan
| | - Naing Ye Aung
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Yamagata 990-9585, Japan
| | - Rintaro Ohe
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Yamagata 990-9585, Japan
| | - Akiko Nishida
- Division of Pathology, Nihonkai General Hospital, Sakata, Yamagata 998-8501, Japan
| | - Tomoya Kato
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Yamagata 990-9585, Japan
| | - Hongxue Meng
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Yamagata 990-9585, Japan
| | - Kenichi Ishizawa
- Third Department of Internal Medicine, Yamagata University Faculty of Medicine, Yamagata, Yamagata 990-9585, Japan
| | - Junichi Fujii
- Department of Biochemistry and Molecular Biology, Yamagata University Faculty of Medicine, Yamagata, Yamagata 990-9585, Japan
| | - Mitsunori Yamakawa
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Yamagata 990-9585, Japan
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79
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Tong F, Geng J, Yan B, Lou H, Chen X, Duan C, He J, Zhang S, Xie H, Li H, Yuan D, Zhang F, Meng H, Wei L. Prevalence and Prognostic Significance of HPV in Laryngeal Squamous Cell Carcinoma in Northeast China. Cell Physiol Biochem 2018; 49:206-216. [PMID: 30134232 DOI: 10.1159/000492858] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [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: 11/28/2017] [Accepted: 08/13/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Human papillomavirus (HPV) is an etiological risk factor for a subset of head and neck squamous cell carcinomas. HPV has been proven to be a powerful prognostic biomarker for oropharyngeal cancer, but its role in the larynx has not been explored in depth. Here, we sought to evaluate the prevalence and genotype distribution of HPV in patients with laryngeal squamous cell carcinoma (LSCC) in northeast China. METHODS HPV DNA in specimens from 211 patients diagnosed with LSCC was analyzed by the polymerase chain reaction and in situ hybridization, and p16 overexpression was evaluated by immunohistochemistry. p16 expression was scored positive if strong and diffuse nuclear and cytoplasmic staining was present in > 75% of tumor cells. RESULTS In this study, infection with HPV and p16 expression were not absolutely consistent. Among all patients, 132 (62.6%) were positive for HPV DNA (HPV+), while 23 (10.9%) were inconsistent for HPV and p16. Multivariate analysis indicated that HPV, but not p16, is an independent prognostic factor for overall survival in LSCC. Overall survival was significantly improved in HPV+ LSCC patients compared with the HPV-negative group (hazard ratio, 0.395; 95% confidence interval, 0.185-0.843; p = 0.016). Among the 132 HPV+ patients, 28 (21.2%) were HPV-16 single infection. CONCLUSION This study indicates that HPV DNA is a more reliable surrogate marker than p16 for the prediction of survival in patients with LSCC.
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Affiliation(s)
- Fangjia Tong
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
| | - Jingshu Geng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Bingqing Yan
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
| | - Huihuang Lou
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
| | - Xiaohang Chen
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
| | - Chenwei Duan
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
| | - Jing He
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Siwei Zhang
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
| | - Huanhuan Xie
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
| | - Huining Li
- Department of Pathology, Harbin Medical University & Department of Pathology, the First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Dawei Yuan
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Fengmin Zhang
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Lanlan Wei
- Department of Microbiology, Harbin Medical University, Harbin, China.,Wu Lien-Teh Institute, Harbin Medical University, Harbin, China
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80
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Fu H, Dai WW, Jia PL, Huang K, Meng H, Yang QK, Qu YQ, Lei PP. [Analysis of 124 Suicide Cases in Wuhua District in Kunming]. Fa Yi Xue Za Zhi 2018; 34:253-256. [PMID: 30051662 DOI: 10.12116/j.issn.1004-5619.2018.03.007] [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] [Received: 07/28/2016] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To analyze the relationship between the suicide method and the sex, age, education background and cause of suicide to provide reference for the forensic identification of suicide. METHODS After scene investigation, external body examination, autopsy and case investigation, 124 identified suicide cases which happened in recent three years in Wuhua district in Kunming were collected. Analytical methods as chi-square test and descriptive statistics were performed by SPSS 22.0. RESULTS In all the suicide cases, male to female ratio was 1.53∶1. The suicide methods were mainly fatal fall, hanging and drowning. The ratio of local to non-native residents was 1∶1. The suicide rate in the people with primary school or junior middle school education level was highest. The group of >10-50 years tended to choose fatal fall suicide and people over 60 years were more likely to choose hanging. People with different academic background tended to choose fatal fall suicide. The suicide methods as fatal fall and hanging were chosen because of mental and physical diseases and economic problems, while the suicides with emotional problems were more likely to choose fatal fall and poisoning. CONCLUSIONS Suicide belongs to a kind of complex cases. For the cases of suspected suicide, complete exploration and overall consideration should be done to determine the nature of cases based on comprehensive analysis of all the influence factors.
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Affiliation(s)
- H Fu
- Kunming Medical University, Kunming 650500, China.,Xingtai Medical College, Xingtai 054000, China
| | - W W Dai
- Kunming Medical University, Kunming 650500, China
| | - P L Jia
- Kunming Medical University, Kunming 650500, China
| | - K Huang
- Criminal Reconnaissance Technique Group, Wuhua Branch of Kunming Public Security Bureau, Kunming 650032, China
| | - H Meng
- Xingtai Medical College, Xingtai 054000, China
| | - Q K Yang
- Kunming Medical University, Kunming 650500, China
| | - Y Q Qu
- Kunming Medical University, Kunming 650500, China
| | - P P Lei
- Kunming Medical University, Kunming 650500, China
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81
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Meng H, Liang Y, Hao J, Lu J. Comparison of Rejection-Specific Genes in Peripheral Blood and Allograft Biopsy From Kidney Transplant. Transplant Proc 2018; 50:115-123. [PMID: 29407293 DOI: 10.1016/j.transproceed.2017.11.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 11/03/2017] [Indexed: 01/09/2023]
Abstract
BACKGROUND Although improved understanding and assessment of organ rejection significantly contribute to long-term allograft survival after kidney transplantation, reliable and predictive biomarkers that enable diagnoses of rejection state are lacking. Patient rejection of a kidney graft displays a specific blood and biopsy transcriptional pattern, raising the question of whether transcript biomarkers in blood could reflect events within the allograft. METHODS Differential expression genes were screened on large-scale transcriptomic data from blood and allograft biopsies, which included recipients undergoing rejection and recipients with stable renal function. RESULTS We found that the number of rejection-related genes in biopsy samples was much greater than in blood. We observed only one overlapping gene, HIST1H4A, consistently expressed in biopsy samples and blood. Functional association of the identified genes in biopsies implicated a strong involvement of inflammatory-immune pathways. Rejection-related genes in the mammalian target of rapamycin-signaling pathway were down-regulated, and genes related to allograft rejection and graft-versus-host disease were up-regulated in allograft biopsy samples. We also recognized the core signaling elements (PIK3R2 and EGFR) in inflammatory-immune pathways based on biopsy samples. CONCLUSIONS We have expanded our understanding of rejection-specific gene expression pattern in allograft biopsy and peripheral blood, and provided a candidate set of overlapping genes for screening of rejection in kidney transplant recipients.
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Affiliation(s)
- H Meng
- Department of Pharmacy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Y Liang
- Department of Pharmacy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - J Hao
- Department of Pharmacy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - J Lu
- Department of Pharmacy, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China.
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82
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You Q, Li H, Liu Y, Xu Y, Miao S, Yao G, Xue Y, Geng J, Jin X, Meng H. MicroRNA-650 targets inhibitor of growth 4 to promote colorectal cancer progression via mitogen activated protein kinase signaling. Oncol Lett 2018; 16:2326-2334. [PMID: 30008936 PMCID: PMC6036455 DOI: 10.3892/ol.2018.8910] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [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: 04/04/2017] [Accepted: 11/29/2017] [Indexed: 12/11/2022] Open
Abstract
Colorectal cancer (CRC) is the third most common malignant disease globally and causes numerous cancer-associated mortalities; however, the underlying molecular mechanisms remain unresolved. MicroRNAs (miRs) are endogenous noncoding RNAs that regulate post-transcriptional gene silencing by annealing to partially complementary sequences in the 3′-untranslated regions of target mRNAs. In the present study, expression of the tumor suppressor gene inhibitor of growth protein 4 (ING4) in cell lines was investigated using reverse transcription-quantitative polymerase chain reaction and western blotting. miR-650 overexpression promoted CRC cell proliferation and migration by targeting ING4 when the cells were transfected with the miR-650 mimics. Additionally, overexpression of miR-650 increased the epithelial-mesenchymal transition and activation of the Ras homolog gene family member A/Ras-related C3 botulinum toxin GTPase. Extracellular signal-regulated kinases and p38 mitogen-activated protein kinase signaling were markedly activated when miR-650 was increased in CRC cells. Combined, the results indicate the mechanism underlying the miR-650 promotion of CRC progression, and provide promising potential biomarkers for the prognosis and treatment of CRC.
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Affiliation(s)
- Qi You
- Department of Pathology, Basic Research College, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China.,Department of Gastroenterology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Huining Li
- Department of Pathology, Basic Research College, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China.,Department of Pathology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150081, P.R. China
| | - Yao Liu
- Department of Otolaryngology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Yangyang Xu
- Department of Urology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Susheng Miao
- Department of Otolaryngology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Guodong Yao
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Yingwei Xue
- Department of Gastroenterology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Jingshu Geng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
| | - Xiaoming Jin
- Department of Pathology, Basic Research College, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China
| | - Hongxue Meng
- Department of Pathology, Basic Research College, Harbin Medical University, Harbin, Heilongjiang 150081, P.R. China.,Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, Heilongjiang 150081, P.R. China
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Su L, Zhang J, Meng H, Ouyang T, Li J, Wang T, Fan Z, Fan T, Lin B, Xie Y. Prevalence of BRCA1/2 large genomic rearrangements in Chinese women with sporadic triple-negative or familial breast cancer. Clin Genet 2018; 94:165-169. [PMID: 29582426 DOI: 10.1111/cge.13256] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/09/2018] [Accepted: 03/23/2018] [Indexed: 11/29/2022]
Abstract
The prevalence of BRCA1/2 large genomic rearrangements (LGRs) and their underlying mechanisms have not been fully evaluated in Chinese women with breast cancer. In this study, we determined the prevalence of BRCA1/2 LGRs in 834 patients with familial breast cancer (FBC) and 660 patients with sporadic triple-negative breast cancer (TNBC) who were negative for BRCA1/2 small-range mutations using the multiplex ligation-dependent probe amplification method. We found that 20 index patients (2.4%) in the FBC group carried a BRCA1 or BRCA2 LGR, and the frequencies of BRCA1 and BRCA2 LGRs were 1.6% and 0.8%, respectively. Seven index patients (1.1%) carried a BRCA1 LGR in 660 sporadic TNBC patients, whereas no BRCA2 LGRs were found in these patients. Among the BRCA1/2 LGRs, 48.1% (13/27) were novel, and the breakpoints of the majority of the LGRs were identified. ΨBRCA1-mediated homologous recombination (HR) and Alu-mediated HR/non-homologous end-joining (NHEJ) accounted for 40% and 30% of the BRCA1 LGRs, respectively. Alu-mediated HR accounted for 71.4% of the BRCA2 LGRs, and the remaining one-third was generated through Long interspersed nuclear elements (LINE)-mediated NHEJ. Our findings suggest that both FBC patients and sporadic TNBC patients should be tested for BRCA1/2 LGRs.
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Affiliation(s)
- L Su
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - J Zhang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - H Meng
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - T Ouyang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - J Li
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - T Wang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - Z Fan
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - T Fan
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - B Lin
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
| | - Y Xie
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Breast Centre, Peking University Cancer Hospital & Institute, Beijing, China
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Zhou P, He N, Zhang JW, Lin ZJ, Wang J, Yan LM, Meng H, Tang B, Li BM, Liu XR, Shi YW, Zhai QX, Yi YH, Liao WP. Novel mutations and phenotypes of epilepsy-associated genes in epileptic encephalopathies. Genes Brain Behav 2018; 17:e12456. [PMID: 29314583 DOI: 10.1111/gbb.12456] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 12/13/2017] [Accepted: 12/30/2017] [Indexed: 12/30/2022]
Abstract
Epileptic encephalopathies are severe epilepsy disorders with strong genetic bases. We performed targeted next-generation sequencing (NGS) in 70 patients with epileptic encephalopathies. The likely pathogenicity of variants in candidate genes was evaluated by American College of Medical Genetics and Genomics (ACMG) scoring taken together with the accepted clinical presentation. Thirty-three candidate variants were detected after population filtration and computational prediction. According to ACMG, 21 candidate variants, including 18 de novo variants, were assessed to be pathogenic/likely pathogenic with clinical concordance. Twelve variants were initially assessed as uncertain significance by ACMG, among which 3 were considered causative and 3 others were considered possibly causative after analysis of clinical concordance. In total, 24 variants were identified as putatively causative, among which 19 were novel findings. SCN1A mutations were identified in 50% of patients with Dravet syndrome. TSC1/TSC2 mutations were detected in 66.7% of patients with tuberous sclerosis. STXBP1 mutations were the main findings in patients with West syndrome. Mutations in SCN2A, KCNT1, KCNQ2 and CLCN4 were identified in patients with epileptic infantile with migrating focal seizures; among them, KCNQ2 and CLCN4 were first identified as potential causative genes. Only one CHD2 mutation was detected in patients with Lennox-Gastaut syndrome. This study highlighted the utility of targeted NGS in genetic diagnoses of epileptic encephalopathies and a comprehensive evaluation of the pathogenicity of variants based on ACMG scoring and assessment of clinical concordance. Epileptic encephalopathies differ in genetic causes, and the genotype-phenotype correlations would provide insights into the underlying pathogenic mechanisms.
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Affiliation(s)
- P Zhou
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - N He
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - J-W Zhang
- Department of Pediatrics, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Z-J Lin
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - J Wang
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - L-M Yan
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - H Meng
- Department of Neurology, The First Affiliated Hospital of Jinan University, Guangzhou, China.,Clinical Neuroscience Institute, Jinan University, Guangzhou, China
| | - B Tang
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - B-M Li
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - X-R Liu
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Y-W Shi
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - Q-X Zhai
- Department of Pediatrics, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Y-H Yi
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
| | - W-P Liao
- Department of Neurology of the Second Affiliated Hospital of Guangzhou Medical University, Institute of Neuroscience, Guangzhou, China.,Key Laboratory of Neurogenetics, Channelopathies of Guangdong Province and the Ministry of Education of China, Guangzhou, China
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85
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Xu S, Wang P, You Z, Meng H, Mu G, Bai X, Zhang G, Zhang J, Pang D. The long non-coding RNA EPB41L4A-AS2 inhibits tumor proliferation and is associated with favorable prognoses in breast cancer and other solid tumors. Oncotarget 2018; 7:20704-17. [PMID: 26980733 PMCID: PMC4991486 DOI: 10.18632/oncotarget.8007] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [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: 11/12/2015] [Accepted: 02/18/2016] [Indexed: 02/01/2023] Open
Abstract
EPB41L4A-AS2 is a novel long non-coding RNA of unknown function. In this study, we investigated the expression of EPB41L4A-AS2 in breast cancer tissues and evaluated its relationship with the clinicopathological features and prognosis of patients with breast cancer. This entailed conducting a meta-analysis and prognosis validation study using two cohorts from the Gene Expression Omnibus (GEO). In addition, we assessed EPB41L4A-AS2 expression and its relationship with the clinicopathological features of renal and lung cancers using the Cancer Genome Atlas cohort and a GEO dataset. We also clarified the role of EPB41L4A-AS2 expression in mediating cancer cell proliferation in breast, renal, and lung cancer cell lines transfected with an EPB41L4A-AS2 expression vector. We found that high EPB41L4A-AS2 expression is associated with favorable disease outcomes. Gene ontology enrichment analysis revealed that EPB41L4A-AS2 may be involved in processes associated with tumor biology. Finally, overexpression of EPB41L4A-AS2 inhibited tumor cell proliferation in breast, renal, and lung cancer cell lines. Our clinical and in vitro results suggest that EPB41L4A-AS2 inhibits solid tumor formation and that evaluation of this long non-coding RNA may have prognostic value in the clinical management of such malignancies.
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Affiliation(s)
- Shouping Xu
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Peiyuan Wang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Zilong You
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Guannan Mu
- Biotherapy Center, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xianan Bai
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Guangwen Zhang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jinfeng Zhang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Da Pang
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China.,Heilongjiang Academy of Medical Sciences, Harbin, China
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86
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Zhao S, Zhang M, Zhang Y, Meng H, Wang Y, Liu Y, Jing J, Huang L, Sun M, Zhang Y, Zhang Q. The prognostic value of programmed cell death ligand 1 expression in non-Hodgkin lymphoma: a meta-analysis. Cancer Biol Med 2018; 15:290-298. [PMID: 30197796 PMCID: PMC6121049 DOI: 10.20892/j.issn.2095-3941.2018.0047] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [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] [Indexed: 12/13/2022] Open
Abstract
Objective: Although the prognostic value of programmed cell death-ligand 1 (PD-L1) expression in non-Hodgkin lymphoma (NHL) has been evaluated in many studies, the results remain controversial. To investigate the prognostic role of PD-L1 expression and the association between PD-L1 expression and clinicopathological features of NHL, we performed a meta-analysis. Methods: The PubMed, EMBASE, and Cochrane Library databases were searched up to November 30, 2017. The hazard ratio (HR), 95% confidence interval (CI), and odds ratios (OR) with 95% CIs were combined to evaluate the association of PD-L1 expression with overall survival (OS) and clinicopathological features. Review manager 5.3 and STATA 12.0 were used in this meta-analysis. Results: A total of 2,005 patients across nine studies were enrolled in our meta-analysis, and the pooled results showed that high PD-L1 expression was associated with a poor prognosis (HR=2.04, 95% CI: 1.18–3.54, P=0.01). In the subgroup analysis according to histology types, pooled results demonstrated that an increased PD-L1 expression was an unfavorable prognostic factor for diffuse large B-cell lymphoma (HR=1.92, 95% CI: 1.06–3.48, P=0.03) but not for natural killer/T-cell lymphoma (HR=2.41, 95% CI: 0.47–12.22, P=0.29). Pooled ORs indicated that PD-L1 expression was higher in NHL with international prognostic indices of ≥3. However, PD-L1 expression had no correlation with gender, age, disease stage, lactate dehydrogenase level, B symptoms, and germinal center B-cell-like lymphoma.
Conclusions: High PD-L1 expression was a poor prognostic biomarker in patients with NHL. Because of our limited sample size, high-quality studies with larger sample sizes are needed to validate our results.
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Affiliation(s)
| | | | | | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Yan Wang
- Department of Medical Oncology, Heilongjiang Provincial Hospital, Harbin 150030, China
| | - Yupeng Liu
- Department of Epidemiology, Public Health College of Harbin Medical University, Harbin 150081, China
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87
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Huang B, Zhang L, Xu L, Zhu W, Witek L, Tovar N, Coelho PG, Meng H. Effect of implant placement depth on the peri-implant bone defect configurations in ligature-induced peri-implantitis: An experimental study in dogs. Med Oral Patol Oral Cir Bucal 2018; 23:e30-e37. [PMID: 29274159 PMCID: PMC5822536 DOI: 10.4317/medoral.22032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Indexed: 11/24/2022] Open
Abstract
Background The subcrestal placement of implant platform has been considered a key factor in the preservation of crestal bone, but the influence of implant placement depth on bone remodeling combined with peri-implantitis is not fully understood. The aim of this study was to assess the effect of the crestal or subcrestal placement of implants on peri-implant bone defects of ligature-induced peri-implantitis in dogs. Material and Methods Eight weeks after tooth extraction in six beagle dogs, two different types of implants (A: OsseoSpeed™, Astra, Mölndal, Sweden; B: Integra-CP™, Bicon, Boston, USA) were placed at either crestal or subcrestal (-1.5 mm) positions on one side of the mandible. Ligature-induced peri-implantitis was initiated four weeks after the installation of the healing abutment connections. After 12 weeks, tissue biopsies were processed for histological analyses. Results Supra-alveolar bone loss combined with a shallow infrabony defect was observed in crestal level implants while deep and wide infrabony defects were present in subcrestal level groups. Subcrestal groups showed significantly greater ridge loss, depths and widths of infrabony defects when compared to crestal groups (P<0.001). Conclusions Within the limitations of the animal study, it can be stated that the implants at subcrestal position displayed greater infra-osseous defect than implants at crestal position under an experimental ligature-induced peri-implantitis. Key words:Subcrestal, peri-implantitis, histology.
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Affiliation(s)
- B Huang
- Department of Periodontology, Peking University, School and Hospital of Stomatology, zhongguancun nandajie No.22, Haidian District, Beijing 100081, China,
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88
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Abstract
OBJECTIVES Variation in repeated blood pressure measurements may represent a decline in homeostatic mechanisms in blood pressure regulation in response to various internal or external stressors, indicating a frail state. We tested this hypothesis by examining the association between variability in repeated blood pressure measurements (BPV) and frailty status, adjusting for other confounding factors. DESIGN A longitudinal cohort study. SETTING Community centres in all three regions of Hong Kong. PARTICIPANTS 1156 community-living older adults aged 60 years and over participated in a community geriatric screening program with blood pressure measurements three times a week over one year. Participants were divided into three groups based on variability of repeated blood pressure measurements (low, medium, high) using machine learning methods. MEASUREMENTS Frailty status was assessed using the FRAIL scale. Logistic regression was used to examine cross sectional association between frailty status and BPV adjusting for confounding factors, and also frailty transition with BPV. RESULTS In multi-variate models adjusting for co-variates, high BPV was associated with frailty (OR 1.57; 95% CI 1.05-2.37) among all participants; however, this was only significant in women in subgroup analysis. Similar findings were observed when transition to a more frail state was examined over a twelve month period. CONCLUSIONS The findings of this study support the concept of physiological dysregulation underlying the frail state, and that BPV calculated using machine learning methods may be used as a biomarker of such dysregulation.
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Affiliation(s)
- J Woo
- Prof Jean Woo, Department of Medicine and Therapeutics, Prince of Wales Hospital, Shatin, N.T., Hong Kong, Tel: 852-3505-3493, Fax: 852-2637-3852
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89
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Li H, Kong D, Xu Y, Li X, Yao G, Chen K, You Q, Shi Q, Zhang L, Wang X, Yuan D, Miao S, Geng J, Jin X, Meng H. Tripterygium Wilfordii inhibits tonsillar IgA production by downregulating IgA class switching in IgA nephropathy. Oncotarget 2017; 8:109027-109042. [PMID: 29312588 PMCID: PMC5752501 DOI: 10.18632/oncotarget.22561] [Citation(s) in RCA: 2] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 10/04/2017] [Indexed: 12/13/2022] Open
Abstract
IgA nephropathy (IgAN) is characterized by high serum IgA levels and IgA deposition in the renal mesangium. Recent research has indicated that pathogenic IgA may originate from affected tonsils, where present enhancement of IgA production by IgA class switching and immuno-activation. Tripterygium Wilfordii (TW) was found to be especially effective in IgAN by its’ immunosuppression effect. Given this background, we investigated the mechanisms underlying the role of TW in the generation of IgA and IgA class switching in tonsillar GCs of IgAN patients. Immunohistochemistry and RT-PCR revealed that the expression of thymic stromal lymphopoietin (TSLP) and IgA inducing cytokines were decreased in the tonsils of IgAN patients with TW treatment compared with those without treatment, followed by significantly decreased of IgA-bearing cells. The location of TSLP and IgA inducing cytokines in tonsillar tissue was confirmed by double immunofluorescence. Importantly, TW inhibit TSLP and IgA production in isolated FDC-associated clusters. Serum TSLP levels were decreased and correlated with IgA downregulation in the tonsils and serum of IgAN patients. These data indicated that TW may be involved in IgA production in the tonsils of IgAN patients, inhibiting IgA class switching in IgAN patients through the cooperative roles of AID, TGF-β1, BAFF, and APRIL, highlighting a promising strategy for therapeutic intervention in IgAN.
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Affiliation(s)
- Huining Li
- Department of Pathology, Harbin Medical University, Harbin, China.,Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China.,Department of Pathology, The First Affiliated Hospital of Hei Longjiang University of Chinese Medicine, Harbin, China
| | - Dan Kong
- Department of Gynecology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yangyang Xu
- Department of Urinary Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xiaomei Li
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Guodong Yao
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Kexin Chen
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Qi You
- Department of Gastroenterology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Qingtao Shi
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Lei Zhang
- Department of Pathology, Harbin Medical University, Harbin, China
| | - Xin Wang
- Department of Otolaryngology, Head and Neck Surgery, Second Hospital Affiliated to Harbin Medical University, Harbin, China
| | | | - Shusheng Miao
- Department of Otolaryngology, Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jingshu Geng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Xiaoming Jin
- Department of Pathology, Harbin Medical University, Harbin, China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
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90
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Cui J, Xiao M, Liu M, Wang Z, Liu F, Guo L, Meng H, Zhang H, Yang J, Deng D, Huang S, Ma Y, Liu C. Coupling metagenomics with cultivation to select host-specific probiotic micro-organisms for subtropical aquaculture. J Appl Microbiol 2017; 123:1274-1285. [DOI: 10.1111/jam.13555] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/26/2017] [Accepted: 07/27/2017] [Indexed: 11/29/2022]
Affiliation(s)
- J. Cui
- Biological Engineering Center; Guangzhou Institute of Advanced Technology; Chinese Academy of Sciences; Guangzhou China
| | - M. Xiao
- Center for Synthetic Biology Engineering Research; Shenzhen Institutes of Advanced Technology; Chinese Academy of Sciences; Shenzhen China
| | - M. Liu
- Biological Engineering Center; Guangzhou Institute of Advanced Technology; Chinese Academy of Sciences; Guangzhou China
| | - Z. Wang
- Biological Engineering Center; Guangzhou Institute of Advanced Technology; Chinese Academy of Sciences; Guangzhou China
| | - F. Liu
- Biological Engineering Center; Guangzhou Institute of Advanced Technology; Chinese Academy of Sciences; Guangzhou China
| | - L. Guo
- Biological Engineering Center; Guangzhou Institute of Advanced Technology; Chinese Academy of Sciences; Guangzhou China
| | - H. Meng
- Biological Engineering Center; Guangzhou Institute of Advanced Technology; Chinese Academy of Sciences; Guangzhou China
| | - H. Zhang
- Biological Engineering Center; Guangzhou Institute of Advanced Technology; Chinese Academy of Sciences; Guangzhou China
| | - J. Yang
- Alpha Feed Co. Ltd.; Shenzhen China
| | - D. Deng
- Alpha Feed Co. Ltd.; Shenzhen China
| | - S. Huang
- Center for Synthetic Biology Engineering Research; Shenzhen Institutes of Advanced Technology; Chinese Academy of Sciences; Shenzhen China
| | - Y. Ma
- Center for Synthetic Biology Engineering Research; Shenzhen Institutes of Advanced Technology; Chinese Academy of Sciences; Shenzhen China
| | - C. Liu
- Biological Engineering Center; Guangzhou Institute of Advanced Technology; Chinese Academy of Sciences; Guangzhou China
- Center for Synthetic Biology Engineering Research; Shenzhen Institutes of Advanced Technology; Chinese Academy of Sciences; Shenzhen China
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91
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Zhang S, Che D, Yang F, Chi C, Meng H, Shen J, Qi L, Liu F, Lv L, Li Y, Meng Q, Liu J, Shang L, Yu Y. Tumor-associated macrophages promote tumor metastasis via the TGF-β/SOX9 axis in non-small cell lung cancer. Oncotarget 2017; 8:99801-99815. [PMID: 29245941 PMCID: PMC5725132 DOI: 10.18632/oncotarget.21068] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [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: 03/21/2017] [Accepted: 07/25/2017] [Indexed: 01/13/2023] Open
Abstract
Tumor-associated macrophages (TAMs), most of which display the immunosuppressive M2 phenotype, affect the tumor microenvironment and promote progression and metastasis in lung carcinoma. In this study, we analyzed clinical non-small cell lung cancer (NSCLC) samples and found that high densities of TAMs were associated with a poor prognosis in NSCLC patients. Moreover, the number of TAMs present correlated positively with expression of sex determining region Y (SRY)-related high mobility group box 9 (SOX9) in NSCLC tissues. TAMs secreted TGF-β, which increased SOX9 expression and promoted epithelial-to-mesenchymal transition (EMT) in lung cancer cells, thereby promoting tumor proliferation, migration, and invasion. SOX9 knockdown inhibited EMT, indicating that TGF-β-mediated EMT is SOX9-dependent. TGF-β induced SOX9 expression by upregulating the C-jun/SMAD3 pathway. These results indicate that TGF-β secreted by TAMs promotes SOX9 expression via the C-jun/SMAD3 pathway, thereby promoting tumor metastasis. The TGF-β/SOX9 axis may therefore be an effective target for the treatment of lung cancer.
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Affiliation(s)
- Shuai Zhang
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Dehai Che
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Fang Yang
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Chunling Chi
- 2 Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Hongxue Meng
- 3 Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jing Shen
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Li Qi
- 4 Department of Oncology, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Fang Liu
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Liyan Lv
- 5 Department of Oncology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yue Li
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Qingwei Meng
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Junning Liu
- 6 Department of Oncology, The First Affiliated Hospital of Qiqihar Medical College, Qiqihar, China
| | - Lihua Shang
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Yan Yu
- 1 The Sixth Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, China
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92
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Varble N, Rajabzadeh-Oghaz H, Wang J, Siddiqui A, Meng H, Mowla A. Differences in Morphologic and Hemodynamic Characteristics for "PHASES-Based" Intracranial Aneurysm Locations. AJNR Am J Neuroradiol 2017; 38:2105-2110. [PMID: 28912279 DOI: 10.3174/ajnr.a5341] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 06/09/2017] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Several recent prospective studies have found that unruptured intracranial aneurysms at various anatomic locations have different propensities for future rupture. This study aims to uncover the lack of understanding regarding rupture-prone characteristics, such as morphology and hemodynamic factors, associated with different intracranial aneurysm location. MATERIALS AND METHODS We investigated the characteristics of 311 unruptured aneurysms at our center. Based on the PHASES study, we separated and compared morphologic and hemodynamic characteristics among 3 aneurysm location groups: 1) internal carotid artery; 2) middle cerebral artery; and 3) anterior communicating, posterior communicating, and posterior circulation arteries. RESULTS A mixed model statistical analysis showed that size ratio, low wall shear stress area, and pressure loss coefficient were different between the intracranial aneurysm location groups. In addition, a pair-wise comparison showed that ICA aneurysms had lower size ratios, lower wall shear stress areas, and lower pressure loss coefficients compared with MCA aneurysms and compared with the group of anterior communicating, posterior communicating, and posterior circulation aneurysms. There were no statistical differences between MCA aneurysms and the group of anterior communicating, posterior communicating, and posterior circulation aneurysms for morphologic or hemodynamic characteristics. CONCLUSIONS ICA aneurysms may be subjected to less rupture-prone morphologic and hemodynamic characteristics compared with other locations, which could explain the decreased rupture propensity of intracranial aneurysms at this location.
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Affiliation(s)
- N Varble
- From the Department of Mechanical and Aerospace Engineering (N.V., H.R.-O., H.M.).,Toshiba Stroke and Vascular Research Center (N.V., H.R.-O., A.S., H.M.)
| | - H Rajabzadeh-Oghaz
- From the Department of Mechanical and Aerospace Engineering (N.V., H.R.-O., H.M.).,Toshiba Stroke and Vascular Research Center (N.V., H.R.-O., A.S., H.M.)
| | - J Wang
- Departments of Biostatistics (J.W., A.M.)
| | - A Siddiqui
- Toshiba Stroke and Vascular Research Center (N.V., H.R.-O., A.S., H.M.).,Neurosurgery (A.S., H.M.)
| | - H Meng
- From the Department of Mechanical and Aerospace Engineering (N.V., H.R.-O., H.M.).,Toshiba Stroke and Vascular Research Center (N.V., H.R.-O., A.S., H.M.).,Neurosurgery (A.S., H.M.).,Biomedical Engineering (H.M.)
| | - A Mowla
- Departments of Biostatistics (J.W., A.M.) .,Neurology (A.M.), University at Buffalo, State University of New York, Buffalo, New York
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93
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Miao S, Mao X, Zhao S, Song K, Xiang C, Lv Y, Jiang H, Wang L, Li B, Yang X, Yuan Z, Xiu C, Meng H, Sun J. miR-217 inhibits laryngeal cancer metastasis by repressing AEG-1 and PD-L1 expression. Oncotarget 2017; 8:62143-62153. [PMID: 28977933 PMCID: PMC5617493 DOI: 10.18632/oncotarget.19121] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [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: 09/26/2016] [Accepted: 04/14/2017] [Indexed: 12/14/2022] Open
Abstract
High incidences of laryngeal cancer have been reported recently. Increasing our understanding of the molecular mechanisms underlying this malignancy could reveal more effective approaches to treating laryngeal cancer patients and so improve their prognoses. In this study, we explored the biological effects of miR-217 on laryngeal cancer. miR-217 potently inhibited multiple metastatic traits, including cell migration, invasion, proliferation, apoptosis, and EMT, as well as angiogensis. These effects were achieved through downregulation of the miR-217 target gene, AEG-1 and PD-L1. Clinical expression and animal model studies further confirmed our results. These findings provide new insight into the physiological effects of miR-217 in laryngeal cancer and its potential therapeutic use.
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Affiliation(s)
- Susheng Miao
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Xionghui Mao
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Shu Zhao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Kaibin Song
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Cheng Xiang
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Yuanjing Lv
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Huanyv Jiang
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Lei Wang
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Baojun Li
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Xianguang Yang
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Zhennan Yuan
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Cheng Xiu
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Ji Sun
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
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94
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Peterson L, Dobbs D, Hyer K, Meng H, Gamaldo A, O’Neil K, Buck H. FAMILY COMMUNICATION CONCERNING END-OF-LIFE CARE WISHES: A MIXED-METHODS STUDY. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.1799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- L.J. Peterson
- School of Aging Studies, University of South Florida, Tampa, Florida,
| | - D.J. Dobbs
- School of Aging Studies, University of South Florida, Tampa, Florida,
| | - K. Hyer
- School of Aging Studies, University of South Florida, Tampa, Florida,
| | - H. Meng
- School of Aging Studies, University of South Florida, Tampa, Florida,
| | - A. Gamaldo
- Pennsylvania State University, University Park, Pennsylvania,
| | - K. O’Neil
- Ascension Health, St. Louis, Missouri,
| | - H. Buck
- College of Nursing, University of South Florida, Tampa, Florida
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95
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Holup A, Meng H, Dobbs D, Hyer K. DYING IN PLACE? HOSPICE UTILIZATION AND CARE TRANSITIONS FROM THE COMMUNITY TO THE NURSING HOME. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.4780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- A. Holup
- Aging Studies, University of South Florida, Tampa, Florida
| | - H. Meng
- Aging Studies, University of South Florida, Tampa, Florida
| | - D.J. Dobbs
- Aging Studies, University of South Florida, Tampa, Florida
| | - K. Hyer
- Aging Studies, University of South Florida, Tampa, Florida
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96
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Handing E, Meng H, Monaco W, Ji M, Li M, Foulis P, Buslovich S. ADHERENCE TO GLYCEMIC CONTROL GUIDELINES AND 8-YEAR MORTALITY RISK AMONG U.S. ADULTS WITH DIABETES. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.1471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- E. Handing
- Wake Forest School of Medicine, Winston-Salem, North Carolina,
| | - H. Meng
- University of South Florida, Tampa, Florida,
| | - W. Monaco
- University of South Florida, Tampa, Florida,
| | - M. Ji
- University of South Florida, Tampa, Florida,
| | - M. Li
- University of South Florida, Tampa, Florida,
| | - P. Foulis
- University of South Florida, Tampa, Florida,
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97
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Meng H, Wei X, Franklin SB, Wu H, Jiang M. Geographical variation and the role of climate in leaf traits of a relict tree species across its distribution in China. Plant Biol (Stuttg) 2017; 19:552-561. [PMID: 28294500 DOI: 10.1111/plb.12564] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 03/08/2017] [Indexed: 06/06/2023]
Abstract
Intraspecific trait variation and trait-climate relationships are crucial for understanding a species' response to climate change. However, these phenomena have rarely been studied for tree species. Euptelea pleiospermum is a relict tree species with a wide distribution in China that offers a novel opportunity to examine such relationships. Here, we measured 13 leaf traits of E. pleiospermum in 20 sites across its natural distribution in China. We investigated the extent of trait variation at local and regional scales, and developed geographic and climate models to explain trait variation at the regional scale. We documented intraspecific trait variation among leaf traits of E. pleiospermum at local and regional scales. Five traits exhibited relatively high trait variation: leaf area, leaf density and three leaf economic traits (leaf dry matter content, specific leaf area [SLA] and leaf phosphorus concentration). Significant trait-geography correlations were mediated by local climate. Most leaf trait variation could be explained (from 24% to 64%) by geographic or climate variables, except leaf width, leaf thickness, leaf dry matter content and leaf length-width ratio. Latitude and temperature were the strongest predictors of trait variation throughout the distribution of E. pleiospermum in China, and temperature explained more leaf trait variation than precipitation. In particular, we showed that leaves had longer petiole lengths, higher SLA and lower densities in northern E. pleiospermum populations. We suggest that northern E. pleiospermum populations are adapting to higher latitudinal environments via high growth rate (higher SLA) and low construction investment strategies (lower leaf densities), benefitting northern migration. Overall, we demonstrate that intraspecific trait variation reflects E. pleiospermum response to the local environment. We call for consideration of intraspecific trait variation to examine specific climate response questions. In addition, provenance experiments using widely distributed species are needed to separate trait variation resulting from genetic differentiation and plastic responses to environmental change.
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Affiliation(s)
- H Meng
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
- University of Chinese Academy of Sciences, Beijing, China
| | - X Wei
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - S B Franklin
- Department of Biological Sciences, University of Northern Colorado, Greeley, USA
| | - H Wu
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
- University of Chinese Academy of Sciences, Beijing, China
| | - M Jiang
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Hubei, China
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98
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Fu S, Yun ZY, Cui MM, Meng H, Qian C, Liu T, Liu ZP, Wang RT, Yu KJ. Cancer antigen 15-3, platelet distribution width, and fibrinogen in combination to distinguish breast cancer from benign breast disease in non-conclusive mammography patients. Oncotarget 2017; 8:67829-67836. [PMID: 28978076 PMCID: PMC5620216 DOI: 10.18632/oncotarget.18870] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [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: 12/20/2016] [Accepted: 06/02/2017] [Indexed: 01/21/2023] Open
Abstract
Breast cancer is the most frequently diagnosed cancer and the leading cause of cancer death among females. However, mammographic diagnosis is sometimes non-conclusive with a Breast imaging Reporting and Data System (Bi-RaDS) result of 0. Cancer antigen 15-3 (CA15-3) is the most widely used serum tumor marker for breast cancer screening. Platelet distribution width (PDW) is an early indicator of platelet activation. Fibrinogen contributed to angiogenesis and distant metastasis. The aim of this study was to investigate the ability of CA15-3, PDW, and fibrinogen individually or in combination, to distinguish breast cancer from benign breast disease. 200 consecutive patients with breast cancer and 187 patients with benign breast disease were included in this retrospective study. Patients’ characteristics and hematologic tests data at initial diagnosis were collected. The benefit of adding PDW and fibrinogen to a model with only CA15-3 was evaluated as an increased in the area under the curve (AUC) obtained by receiver operating curve (ROC). CA15-3, PDW and fibrinogen are higher in breast cancer patients than in patients with benign breast disease. Single biomarkers had AUC values ranging from 0.687 for fibrinogen to 0.810 for CA15-3. In addition, the combination of PDW, CA15-3, and fibrinogen increased the AUC to 0.900 (0.866-0.928) (p<0.0001), significantly higher than those of any single marker. In conclusion, the combined use of CA15-3, PDW and fibrinogen may be clinically useful in discriminating between breast cancer and benign breast disease in non-conclusive mammography patients.
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Affiliation(s)
- Shuang Fu
- Department of Internal Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150081, China
| | - Zhi-Yuan Yun
- Department of Internal Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150081, China
| | - Ming-Ming Cui
- Department of Internal Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150081, China
| | - Hongxue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Cheng Qian
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin 150081, China
| | - Tiemin Liu
- Department of Internal Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150081, China.,Division of Hypothalamic Research, Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX 75390, USA
| | - Zhi-Ping Liu
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Rui-Tao Wang
- Department of Internal Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150081, China
| | - Kai-Jiang Yu
- Department of Intensive Care Unit, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin 150081, China
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99
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Abstract
BACKGROUND AND OBJECTIVE Calprotectin (S100A8/A9) is a heterodimer of S100A8 and S100A9 and is associated with multiple inflammatory diseases, including Crohn's disease, rheumatoid arthritis and periodontitis. Levels of calprotectin are elevated in the gingival crevicular fluid of patients with periodontitis; however, the effects of calprotectin on human gingival fibroblasts (HGFs) remain unknown. This study investigated the proinflammatory activity of calprotectin on HGFs and the functional receptors and signaling pathways engaged by calprotectin. MATERIAL AND METHODS HGFs were stimulated by equimolar concentrations of S100A8 and/or S100A9, and the expression levels of interleukin (IL)-6 and IL-8 were detected using real-time quantitative polymerase chain reaction and enzyme-linked immunosorbent assays. The calprotectin receptors were identified by pre-incubating HGFs with the toll-like receptor (TLR) 4 inhibitor or the antibody targeting the advanced glycation end product receptor (RAGE). The involvement of reactive oxygen species (ROS) and signaling pathways were also investigated by treating HGFs with ROS inhibitor or specific pathway inhibitors, respectively. RESULTS S100A9 and S100A8/A9 significantly upregulated IL-6 and IL-8 expression, which was inhibited upon treatment with the TLR4 inhibitor TAK242. Pretreatment with RAGE-blocking antibodies did not affect cytokine expression. Additionally, S100A9 promoted the production of IL-6 and IL-8 from HGFs via different signaling pathways. IL-6 expression was upregulated via the NF-κB, c-Jun amino-terminal kinase (JNK) 1/2 and p38 mitogen-activated protein kinase (MAPK) pathways, and IL-8 expression was upregulated via NF-κB, p38, JNK1/2 and extracellular-regulated kinase 1/2 MAPK pathways. The release of both cytokines was dependent upon the production of ROS. CONCLUSION Our findings suggest that calprotectin exerts proinflammatory effects on HGFs via the S100A9 subunit and TLR4-mediated NF-κB and MAPK signaling pathways.
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Affiliation(s)
- H Gao
- Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China.,Department of Periodontology, School and Hospital of Stomatology, Tianjin Medical University, Tianjin, China
| | - J Hou
- Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China
| | - H Meng
- Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China
| | - X Zhang
- Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China.,Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China
| | - Y Zheng
- Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China.,Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China
| | - L Peng
- Department of Periodontology, Peking University School and Hospital of Stomatology, Beijing, China.,Department of Stomatology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
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100
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Wang Q, Yang Y, Fei Q, Li D, Li JJ, Meng H, Su N, Fan ZH, Wang BQ. [Three dimensional finite element model of a modified posterior cervical single open-door laminoplasty]. Zhonghua Yi Xue Za Zhi 2017; 97:1633-1637. [PMID: 28606250 DOI: 10.3760/cma.j.issn.0376-2491.2017.21.008] [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: 11/05/2022]
Abstract
Objective: To build a three-dimensional finite element models of a modified posterior cervical single open-door laminoplasty with short-segmental lateral mass screws fusion. Methods: The C(2)-C(7) segmental data were obtained from computed tomography (CT) scans of a male patient with cervical spondylotic myelopathy and spinal stenosis.Three-dimensional finite element models of a modified cervical single open-door laminoplasty (before and after surgery) were constructed by the combination of software package MIMICS, Geomagic and ABAQUS.The models were composed of bony vertebrae, articulating facets, intervertebral disc and associated ligaments.The loads of moments 1.5Nm at different directions (flexion, extension, lateral bending and axial rotation)were applied at preoperative model to calculate intersegmental ranges of motion.The results were compared with the previous studies to verify the validation of the models. Results: Three-dimensional finite element models of the modified cervical single open- door laminoplasty had 102258 elements (preoperative model) and 161 892 elements (postoperative model) respectively, including C(2-7) six bony vertebraes, C(2-3)-C(6-7) five intervertebral disc, main ligaments and lateral mass screws.The intersegmental responses at the preoperative model under the loads of moments 1.5 Nm at different directions were similar to the previous published data. Conclusion: Three-dimensional finite element models of the modified cervical single open- door laminoplasty were successfully established and had a good biological fidelity, which can be used for further study.
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Affiliation(s)
- Q Wang
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
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