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Meng Z, Guo Y, Deng S, Xiang Q, Cao J, Zhang Y, Zhang K, Ma K, Xie S, Kang Z. Improving image quality of triple-low-protocol renal artery CT angiography with deep-learning image reconstruction: a comparative study with standard-dose single-energy and dual-energy CT with adaptive statistical iterative reconstruction. Clin Radiol 2024; 79:e651-e658. [PMID: 38433041 DOI: 10.1016/j.crad.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 01/03/2024] [Accepted: 01/09/2024] [Indexed: 03/05/2024]
Abstract
AIM To investigate the improvement in image quality of triple-low-protocol (low radiation, low contrast medium dose, low injection speed) renal artery computed tomography (CT) angiography (RACTA) using deep-learning image reconstruction (DLIR), in comparison with standard-dose single- and dual-energy CT (DECT) using adaptive statistical iterative reconstruction-Veo (ASIR-V) algorithm. MATERIALS AND METHODS Ninety patients for RACTA were divided into different groups: standard-dose single-energy CT (S group) using ASIR-V at 60% strength (60%ASIR-V), DECT (DE group) with 60%ASIR-V including virtual monochromatic images at 40 keV (DE40 group) and 70 keV (DE70 group), and the triple-low protocol single-energy CT (L group) with DLIR at high level (DLIR-H). The effective dose (ED), contrast medium dose, injection speed, standard deviation (SD), signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) of abdominal aorta (AA), and left/right renal artery (LRA, RRA), and subjective scores were compared among the different groups. RESULTS The L group significantly reduced ED by 37.6% and 31.2%, contrast medium dose by 33.9% and 30.5%, and injection speed by 30% and 30%, respectively, compared to the S and DE groups. The L group had the lowest SD values for all arteries compared to the other groups (p<0.001). The SNR of RRA and LRA in the L group, and the CNR of all arteries in the DE40 group had highest value compared to others (p<0.05). The L group had the best comprehensive score with good consistency (p<0.05). CONCLUSIONS The triple-low protocol RACTA with DLIR-H significantly reduces the ED, contrast medium doses, and injection speed, while providing good comprehensive image quality.
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Affiliation(s)
- Z Meng
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China
| | - Y Guo
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China
| | - S Deng
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China
| | - Q Xiang
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China
| | - J Cao
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China
| | - Y Zhang
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China
| | - K Zhang
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China
| | - K Ma
- CT Imaging Research Center, GE HealthCare China, Tianhe District, Huacheng Road 87, Guangzhou, 510623, China
| | - S Xie
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China.
| | - Z Kang
- Department of Radiology, The Third Affiliated Hospital of Sun Yat-sen University, Tianhe District, Tianhe Road, 600, Guangzhou, 510620, China.
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Tan CL, Lindner K, Boschert T, Meng Z, Rodriguez Ehrenfried A, De Roia A, Haltenhof G, Faenza A, Imperatore F, Bunse L, Lindner JM, Harbottle RP, Ratliff M, Offringa R, Poschke I, Platten M, Green EW. Prediction of tumor-reactive T cell receptors from scRNA-seq data for personalized T cell therapy. Nat Biotechnol 2024:10.1038/s41587-024-02161-y. [PMID: 38454173 DOI: 10.1038/s41587-024-02161-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 02/01/2024] [Indexed: 03/09/2024]
Abstract
The identification of patient-derived, tumor-reactive T cell receptors (TCRs) as a basis for personalized transgenic T cell therapies remains a time- and cost-intensive endeavor. Current approaches to identify tumor-reactive TCRs analyze tumor mutations to predict T cell activating (neo)antigens and use these to either enrich tumor infiltrating lymphocyte (TIL) cultures or validate individual TCRs for transgenic autologous therapies. Here we combined high-throughput TCR cloning and reactivity validation to train predicTCR, a machine learning classifier that identifies individual tumor-reactive TILs in an antigen-agnostic manner based on single-TIL RNA sequencing. PredicTCR identifies tumor-reactive TCRs in TILs from diverse cancers better than previous gene set enrichment-based approaches, increasing specificity and sensitivity (geometric mean) from 0.38 to 0.74. By predicting tumor-reactive TCRs in a matter of days, TCR clonotypes can be prioritized to accelerate the manufacture of personalized T cell therapies.
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Affiliation(s)
- C L Tan
- CCU Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany
- German Cancer Consortium, Core Center Heidelberg, Heidelberg, Germany
- Department of Neurology, Medical Faculty Mannheim, Mannheim Center for Translational Neuroscience, Heidelberg University, Mannheim, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
| | - K Lindner
- CCU Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany
- German Cancer Consortium, Core Center Heidelberg, Heidelberg, Germany
- Department of Neurology, Medical Faculty Mannheim, Mannheim Center for Translational Neuroscience, Heidelberg University, Mannheim, Germany
- Immune Monitoring Unit, National Center for Tumor Diseases, Heidelberg, Germany
| | - T Boschert
- CCU Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany
- German Cancer Consortium, Core Center Heidelberg, Heidelberg, Germany
- Department of Neurology, Medical Faculty Mannheim, Mannheim Center for Translational Neuroscience, Heidelberg University, Mannheim, Germany
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- Helmholtz Institute for Translational Oncology, Mainz, Germany
| | - Z Meng
- Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg, Heidelberg, Germany
- Division of Molecular Oncology of Gastrointestinal Tumors, German Cancer Research Center, Heidelberg, Germany
- Sino-German Laboratory of Personalized Medicine for Pancreatic Cancer, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - A Rodriguez Ehrenfried
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- Helmholtz Institute for Translational Oncology, Mainz, Germany
- Division of Molecular Oncology of Gastrointestinal Tumors, German Cancer Research Center, Heidelberg, Germany
| | - A De Roia
- Faculty of Biosciences, Heidelberg University, Heidelberg, Germany
- DNA Vector Laboratory, German Cancer Research Center, Heidelberg, Germany
| | - G Haltenhof
- CCU Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany
- Department of Neurology, Medical Faculty Mannheim, Mannheim Center for Translational Neuroscience, Heidelberg University, Mannheim, Germany
| | | | | | - L Bunse
- CCU Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany
- German Cancer Consortium, Core Center Heidelberg, Heidelberg, Germany
- Department of Neurology, Medical Faculty Mannheim, Mannheim Center for Translational Neuroscience, Heidelberg University, Mannheim, Germany
| | | | - R P Harbottle
- DNA Vector Laboratory, German Cancer Research Center, Heidelberg, Germany
| | - M Ratliff
- Department of Neurosurgery, University Hospital Mannheim, Mannheim, Germany
| | - R Offringa
- Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg, Heidelberg, Germany
- Division of Molecular Oncology of Gastrointestinal Tumors, German Cancer Research Center, Heidelberg, Germany
- Sino-German Laboratory of Personalized Medicine for Pancreatic Cancer, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - I Poschke
- CCU Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany
- German Cancer Consortium, Core Center Heidelberg, Heidelberg, Germany
- Immune Monitoring Unit, National Center for Tumor Diseases, Heidelberg, Germany
| | - M Platten
- CCU Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany.
- German Cancer Consortium, Core Center Heidelberg, Heidelberg, Germany.
- Department of Neurology, Medical Faculty Mannheim, Mannheim Center for Translational Neuroscience, Heidelberg University, Mannheim, Germany.
- Immune Monitoring Unit, National Center for Tumor Diseases, Heidelberg, Germany.
- Helmholtz Institute for Translational Oncology, Mainz, Germany.
- German Cancer Research Center-Hector Cancer Institute at the Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.
| | - E W Green
- CCU Neuroimmunology and Brain Tumor Immunology, German Cancer Research Center, Heidelberg, Germany.
- German Cancer Consortium, Core Center Heidelberg, Heidelberg, Germany.
- Department of Neurology, Medical Faculty Mannheim, Mannheim Center for Translational Neuroscience, Heidelberg University, Mannheim, Germany.
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Yi L, Ning Z, Xu L, Shen Y, Zhu X, Yu W, Xie J, Meng Z. The combination treatment of oncolytic adenovirus H101 with nivolumab for refractory advanced hepatocellular carcinoma: an open-label, single-arm, pilot study. ESMO Open 2024; 9:102239. [PMID: 38325225 PMCID: PMC10937204 DOI: 10.1016/j.esmoop.2024.102239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 01/05/2024] [Accepted: 01/09/2024] [Indexed: 02/09/2024] Open
Abstract
BACKGROUND H101, an innovative oncolytic adenovirus, has shown potential in modifying the tumor microenvironment from immunologically 'cold' to 'hot'. When combined with nivolumab, a programmed cell death protein 1 inhibitor, this synergy may offer substantial therapeutic benefits beyond the capabilities of each agent alone. PATIENTS AND METHODS In this pilot study, we assessed the efficacy and safety of combining H101 with nivolumab in advanced hepatocellular carcinoma (HCC) patients who failed prior systemic therapy. The participants received initial oncolytic virus (OV) pretreatment with intratumoral H101 injections (5.0 × 1011 vp/0.5 ml/vial, two vials per lesion) on days 1 and 3. Combination therapy started on day 8, with H101 administered every 2 or 4 weeks and nivolumab (240 mg) injections every 2 weeks. Treatment continued up to 12 months or until disease progression, intolerable toxicity, consent withdrawal, or study conclusion. The primary endpoint was the objective response rate (ORR). RESULTS Between March 2020 and March 2022, 18 of 21 screened patients were assessable, showing an ORR of 11.1% [two cases of partial response (PR) and five cases of stable disease], with extrahepatic injections often leading to favorable outcomes. The disease control rate stood at 38.9%, with a 6-month survival rate of 88.9%. Median progression-free survival was 2.69 months, and overall survival (OS) was 15.04 months. Common adverse events included low-grade fever (100%) and pain related to centesis (33.3%), and no grade 3/4 events were reported. Significantly, local H101 injection showed potential in reversing immune checkpoint inhibitor resistance, evidenced by over 2.5 years of extended OS in PR cases with low α-fetoprotein. Additionally, decreasing neutrophil-to-lymphocyte ratio during OV pretreatment may predict positive outcomes. CONCLUSIONS This study demonstrates the potential efficacy of combining H101 with nivolumab in treating refractory advanced HCC, with well-tolerated toxicities.
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Affiliation(s)
- L Yi
- Department of Integrative Oncology, Shanghai, China; Department of Minimally Invasive Therapy Center, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Z Ning
- Department of Integrative Oncology, Shanghai, China; Department of Minimally Invasive Therapy Center, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - L Xu
- Department of Integrative Oncology, Shanghai, China; Department of Minimally Invasive Therapy Center, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Y Shen
- Department of Integrative Oncology, Shanghai, China; Department of Minimally Invasive Therapy Center, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - X Zhu
- Department of Integrative Oncology, Shanghai, China; Department of Minimally Invasive Therapy Center, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - W Yu
- Department of Integrative Oncology, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China; Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - J Xie
- Department of Integrative Oncology, Shanghai, China; Department of Minimally Invasive Therapy Center, Fudan University Shanghai Cancer Center, Shanghai, China; Shanghai Key Laboratory of Medical Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, China.
| | - Z Meng
- Department of Integrative Oncology, Shanghai, China; Department of Minimally Invasive Therapy Center, Fudan University Shanghai Cancer Center, Shanghai, China; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
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Jiang Z, Wang K, Lin Y, Zhou T, Lin Y, Chen J, Lan Q, Meng Z, Liu X, Lin H, Lin D. Nesfatin-1 regulates the HMGB1-TLR4-NF-κB signaling pathway to inhibit inflammation and its effects on the random skin flap survival in rats. Int Immunopharmacol 2023; 124:110849. [PMID: 37633241 DOI: 10.1016/j.intimp.2023.110849] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 08/28/2023]
Abstract
OBJECTIVE Random skin flaps are often placed by plastic surgeons to treat limb deformities and dysfunction. Nesfatin-1 (NES) is a peptide that exerts angiogenic, anti-inflammatory, and anti-oxidant effects. We assessed the impact of NES on flap survival and the underlying mechanism. METHODS We modified the McFarlane random skin flap rat model. Thirty-six male Sprague-Dawley rats were randomly divided into a control group (corn oil solution with DMSO), low-dose group (NES-L at 10 µg/kg/day), and high-dose group (NES-H at 20 µg/kg/day). On day 7 after surgery, average flap survival areas were calculated. Laser Doppler blood flow monitoring and lead oxide/gelatin angiography were used to evaluate blood perfusion and neovascularization, respectively. Flap histopathological status was evaluated by hematoxylin and eosin (H&E) staining. The levels of superoxide dismutase (SOD) and malondialdehyde (MDA) were determined. Immunohistochemical techniques were used to evaluate the expression of angiogenetic and inflammatory factors. RESULTS In the experimental groups, the mean skin flap survival areas and blood perfusion increased considerably. The SOD activities in the experimental groups increased and the MDA contents decreased. Immunohistochemically, VEGF expression was upregulated in the experimental groups and the expression levels of inflammatory factors decreased markedly. CONCLUSION NES inhibited ischemic skin flap necrosis, promoted angiogenesis, and reduced ischemia-reperfusion injury and inflammation. Inhibition of the inflammatory HMGB1-TLR4-NF-κB signal pathway, which reduced flap inflammation and oxidative stress, may explain the enhanced flap survival.
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Affiliation(s)
- Zhikai Jiang
- Department of Hand Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Kaitao Wang
- Department of Hand Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Yuting Lin
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medicine, Wenzhou Medical University, Wenzhou, China
| | - Taotao Zhou
- Department of Hand Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Yi Lin
- Department of Hand Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Jianpeng Chen
- Department of Hand Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Qicheng Lan
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medicine, Wenzhou Medical University, Wenzhou, China
| | - Zhefeng Meng
- Department of Hand Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Xuao Liu
- Department of Hand Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Hang Lin
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medicine, Wenzhou Medical University, Wenzhou, China
| | - Dingsheng Lin
- Department of Hand Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, China.
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Ma T, Meng Z, Ghaffari M, Lv J, Xin H, Zhao Q. Characterization and profiling of the microRNA in small extracellular vesicles isolated from goat milk samples collected during the first week postpartum. JDS Commun 2023; 4:507-512. [PMID: 38045901 PMCID: PMC10692291 DOI: 10.3168/jdsc.2022-0369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 04/06/2023] [Indexed: 12/05/2023]
Abstract
Colostrum contains nutrients, immunoglobulins, and various bioactive compounds such as microRNA (miRNA). Less is known about the temporal changes in miRNA profiles in ruminant milk samples during the first week postpartum. In this study, we characterized and compared the profiles of miRNA in the small extracellular vesicles (sEV) isolated from colostrum (CM, collected immediately after parturition, n = 8) and transition milk (TM, collected 7 d postpartum, n = 8) from eight 1-yr-old Guanzhong dairy goats with a milk yield of approximately 500 kg/year. A total of 192 unique sEV-associated miRNA (transcripts per million >1 at least 4 samples in either CM or TM) were identified in all samples. There were 29 miRNA uniquely identified in the TM samples while no miRNA was uniquely identified in the CM samples. The abundance of the top 10 miRNA accounted for 82.4% ± 4.0% (± SD) of the total abundance, with let-7 families (e.g., let-7a/b/c-5p) being predominant in all samples. The top 10 miRNA were predicted to target 1,008 unique genes that may regulate pathways such as focal adhesion, TGF-β signaling, and axon guidance. The expression patterns of EV miRNA were similar between the 2 sample groups, although the abundance of let-7c-5p and miR-30a-3p was higher, whereas that of let-7i-5p and miR-103-3p was lower in CM than in TM. In conclusion, the core miRNAome identified in the samples from CM and TM may play an important role in cell proliferation, bone homeostasis, and neuronal network formation in newborn goat kids. The lack of differential miRNA expression between the CM and TM samples may be due to a relatively short sampling interval in which diet composition, intake and health status of ewes, and environment were relatively stable.
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Affiliation(s)
- T. Ma
- Institute of Feed Research, Key Laboratory of Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Z. Meng
- Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot, 010030, China
| | - M.H. Ghaffari
- Institute of Animal Science, University of Bonn, Bonn, 53115, Germany
| | - J. Lv
- College of Animal Sciences and Technology, Northeast Agricultural University, Harbin, 150030, China
| | - H. Xin
- College of Animal Sciences and Technology, Northeast Agricultural University, Harbin, 150030, China
| | - Q. Zhao
- Inner Mongolia Academy of Agriculture and Animal Husbandry Sciences, Hohhot, 010030, China
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Lan Q, Wang K, Meng Z, Lin H, Zhou T, Lin Y, Jiang Z, Chen J, Liu X, Lin Y, Lin D. Roxadustat promotes hypoxia-inducible factor-1α/vascular endothelial growth factor signalling to enhance random skin flap survival in rats. Int Wound J 2023; 20:3586-3598. [PMID: 37225176 PMCID: PMC10588316 DOI: 10.1111/iwj.14235] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 05/03/2023] [Accepted: 05/04/2023] [Indexed: 05/26/2023] Open
Abstract
Random skin flaps have limited clinical application as a broad surgical reconstruction treatment because of distal necrosis. The prolyl hydroxylase domain-containing protein inhibitor roxadustat (RXD) enhances angiogenesis and reduces oxidative stress and inflammation. This study explored the function of RXD in the survival of random skin flaps. Thirty-six male Sprague-Dawley rats were randomly divided into low-dose RXD group (L-RXD group, 10 mg/kg/2 day), high-dose RXD group (H-RXD group, 25 mg/kg/2 day), and control group (1 mL of solvent, 1:9 DMSO:corn oil). The proportion of surviving flaps was determined on day 7 after surgery. Angiogenesis was assessed by lead oxide/gelatin angiography, and microcirculation blood perfusion was evaluated by laser Doppler flow imaging. Specimens in zone II were obtained, and the contents of superoxide dismutase (SOD) and malondialdehyde (MDA) were measured as indicators of oxidative stress. Histopathological status was evaluated with haematoxylin and eosin staining. The levels of hypoxia-inducible factor-1α (HIF-1α), vascular endothelial growth factor (VEGF), and the inflammatory factors interleukin (IL)-1β, IL-6, and tumour necrosis factor-α (TNF-α) were detected by immunohistochemistry. RXD promoted flap survival and microcirculatory blood perfusion. Angiogenesis was detected distinctly in the experimental group. SOD activity increased and the MDA level decreased in the experimental group. Immunohistochemistry indicated that the expression levels of HIF-1α and VEGF were increased while the levels of IL-6, IL-1β, and TNF-α were decreased after RXD injection. RXD promoted random flap survival by reinforcing vascular hyperplasia and decreasing inflammation and ischaemia-reperfusion injury.
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Affiliation(s)
- Qicheng Lan
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
- Department of Pulmonary and Critical Care MedicineThe First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical UniversityWenzhouChina
| | - Kaitao Wang
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
| | - Zhefeng Meng
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
| | - Hang Lin
- Department of Pulmonary and Critical Care MedicineThe First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical UniversityWenzhouChina
| | - Taotao Zhou
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
| | - Yi Lin
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
| | - Zhikai Jiang
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
| | - Jianpeng Chen
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
| | - Xuao Liu
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
| | - Yuting Lin
- Department of Pulmonary and Critical Care MedicineThe First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical UniversityWenzhouChina
| | - Dingsheng Lin
- Department of Hand and Plastic SurgeryThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical UniversityWenzhouChina
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Li P, Yang D, Meng Z, Kang M. Exploring the Clinical Characteristics and Survival of Early-Onset and Late-Onset Nasopharyngeal Carcinoma. Int J Radiat Oncol Biol Phys 2023; 117:e596. [PMID: 37785799 DOI: 10.1016/j.ijrobp.2023.06.1953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Presently, early-onset and late-onset nasopharyngeal cancer (EONPC and LONPC, defined as age ≤ 50 years and > 50 years old, respectively) are seldom studied. The purpose of this study is to determine the clinical and survival characteristics between the NPC patients of these two age groups. MATERIALS/METHODS Patients diagnosed with NPC in The Surveillance, Epidemiology, and End Results (SEER) database from 2000 to 2018 years, and in our institution from 2014 to 2017 years were reviewed in this study. Clinicopathological characteristics, treatment modalities, and survival outcomes of EONPC and LONPC patients were analyzed and compared. RESULTS A total of 2943 patients (including 935 patients with EONPC and 2008 patients with LONPC) in the SEER database and 833 domestic patients (including 518 patients with EONPC and 315 patients with LONPC) in our center were finally enrolled. In the SEER database, both EONPC and LONPC patients displayed a greater prevalence in men. EONPC patients presented with a worse staging of regional lymph node metastasis (p < 0.001), but had a better prognosis than that in the LONPC patients (p < 0.001). More EONPC patients received chemotherapy and radiation (p < 0.001). Similar results were validated in our center, and in addition, it was found that EONPC patients had an advanced clinical stage (stage III, IVA, 92.1% vs. 85.1%, p = 0.016) and larger primary tumor volume (41.7% vs. 35.7%, p = 0.049). Meanwhile, EONPC patients had a superior overall survival (OS) (p = 0.017) and cancer-specific survival (CSS) (p = 0.004) compared to that in the LONPC patients. In univariate and multivariate Cox regression analysis, early-onset was independently associated with a higher 5-year OS (82.4% vs. 73.3%, p = 0.006). CONCLUSION EONPC patients present with more advanced lymph node metastasis stage and clinical stage, but have a better survival compared to LONPC patients. Age ≤ 50 years was an independent prognostic factor for survival outcome in NPC patients. To achieved the better individualization of the therapeutic regimen, there is the need for further studies on EONPC.
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Affiliation(s)
- P Li
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China; Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - D Yang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China; The First Affiliated Hospital, Department of Radiation Oncology, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China
| | - Z Meng
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China; Department of Oncology, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning 530021, Guangxi, China
| | - M Kang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China; Guangxi Key Laboratory of Immunology and Metabolism for Liver Diseases, Nanning 530021, Guangxi, China
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Shen M, Lin X, Yang C, Ziyan Z, Yang D, Meng Z, Chen S, Yin Y, Qin Y, Huang H, Huang L, Long L, Yang Z, Kang M. Potential Predictive Value of Intravoxel Incoherent Motion Magnetic Resonance for Xerostomia of Nasopharyngeal Carcinoma. Int J Radiat Oncol Biol Phys 2023; 117:e624-e625. [PMID: 37785867 DOI: 10.1016/j.ijrobp.2023.06.2012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Xerostomia, caused by radiation-induced parotid damage, is the most commonly reported complications of radiotherapy (RT) to nasopharyngeal carcinoma (NPC). This study aimed to evaluate the value of IVIM MR in monitoring radiation parotid gland damage and predicting the risk of xerostomia. MATERIALS/METHODS A total of 54 patients were enrolled and underwent IVIM MR scans at before RT, after the fifth fraction, halfway through the course of RT, and at the end of radiotherapy. The parameters of IVIM MR include pseudo-diffusion coefficient (D*), perfusion fraction (f), and pure diffusion coefficient (D). The degree of xerostomia in NPC patients was assessed before each MR examination using the acute radiation morbidity scoring criteria proposed by the Radiation Therapy Oncology Group (RTOG). Concurrently, the time when the patient first reported suffering from xerostomia was recorded. The IVIM parameters trend throughout the RT, and the relationships between IVIM parameters and xerostomia, were analyzed. RESULTS All of the IVIM parameters increased from pre-RT to post-RT significantly (all p < 0.001). The increase rate of D from pre-RT to halfway through the RT was 32.61%, which was significantly higher than 15.64% from halfway to post-RT (p<0.001), indicating that cell necrosis in the first half of treatment is significantly higher than that in the second half. Both D* and F had significantly increased from pre-RT to halfway through the radiotherapy (p<0.001), with an increase rate of 19.58% and 29.38%, respectively. However, no significant increase was observed from Halfway to post-RT (p>0.05), with an increase rate of 4.10% and 8.30%, respectively. This may be due to radiation-induced vasculitic dilation that is significant in the first half of the radiotherapy but plateaus in the second half. Pre-D (OR = 23.85; 95% CI = 2.39, 237.82; p = .007) and pre-D* (OR = 0.75; 95% CI = 0.63, 0.91; p = 0.003) are independent influencing factors for xerostomia at 3 months after the completion of RT. D and F were significantly higher after the fifth fraction compared with Pre-RT (both p<0.05), respectively increased 31.25% and 25.16%. D* increase by 15% (p = 0.081). IVIM scans can assess parotid gland damage early. And the average time of parotid damage underwent IVIM scan was 5.99 ± 0.84 (day), much earlier than 11.84 ± 2.74 (day) according to RTOG. CONCLUSION Our study indicates that IVIM MR can dynamically monitor radiotherapy-induced parotid gland damage, and much earlier and objectively than RTOG.
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Affiliation(s)
- M Shen
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, Guangxi, China
| | - X Lin
- Department of Radiation Oncology, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, Guangxi, China
| | - C Yang
- Department of Radiation Oncology, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, Guangxi, China
| | - Z Ziyan
- Department of Radiation Oncology, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, Guangxi, China
| | - D Yang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China
| | - Z Meng
- Department of Oncology, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning 530021, Guangxi, China
| | - S Chen
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China
| | - Y Yin
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China
| | - Y Qin
- Department of Radiation Oncology, the First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, Guangxi, China
| | - H Huang
- Guangxi Key Laboratory of Immunology and Metabolism for Liver Diseases, Nanning, China
| | - L Huang
- Department of Radiology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, Guangxi, China
| | - L Long
- Department of Radiology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, Guangxi, China
| | - Z Yang
- Department of Radiology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, Guangxi, China
| | - M Kang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China
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Meng Z, Li P, Yang D, Dong H, Li R, Wang S, Chen X, Huang H, Kang M. The Feasibility of Level Ib Sparing Intensity Modulated Radiation Therapy in Nasopharyngeal Carcinoma Patients with High-Risk Factors: Based on International Guideline. Int J Radiat Oncol Biol Phys 2023; 117:e606-e607. [PMID: 37785826 DOI: 10.1016/j.ijrobp.2023.06.1976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) In spite of the rarity of level Ib recurrence after intensity-modulated radiation therapy, the International Guideline (IG) provides the risk factors for prophylactic coverage. In practice, however, there are significant differences between institutions. The purpose of this study is to examine the feasibility of sparing level Ib IMRT in NPC patients with high-risk factors based on IG. MATERIALS/METHODS From January 2014 to October 2017, newly-diagnostic, non-metastatic NPC patients in our center were retrospectively reviewed. According to the risk factors of prophylactic level Ib coverage in patients with negative level Ib recommended by IG, the characteristics of pre-treatment MRI were analyzed. Four high-risk factors were identified: a. involvement of the structures that drain to level Ib as first echelon (FES), including anterior half of nasal cavity, oral cavity, b. involvement of submandibular gland (SMG), c. with radiologic extranodal extension (rENE) in level II LNs, or d. maximal axial diameter (MAD)≧2 cm in level II LNs. Patients with risk factors were divided into Cohort A (with risk factors a), Cohort B (with risk factor b, but without a), and Cohort C (only with risk factors c and/or d). Recurrence rates of level Ib and regional relapse-free survival (RRFS) rates were evaluated in different cohorts. RESULTS A total of 961 patients were finally included. Thirty-six cases (3.7%) presented with radiologically positive level Ib metastasis. For the other patients with negative Ib LNs, there were 18, 65, 421, and 444 cases classified as FES involvement, SMG involvement, level II LNs with rENE, and level II nodal with MAD ≧2 cm. Excluding overlap, a total of 571 patients with risk factors were divided into three groups: Cohort A (n = 18), Cohort B (n = 49) and Cohort C (n = 504). Nine patients (9/961, 0.94%) developed level Ib recurrence. Except for 1 patient with positive Ib LNs at diagnosis, 2 did not meet any of the risk factors, while the other six (6/9, 66.7%) met at least one risk factor. The rate of recurrence at neck level Ib was highest in Cohort A (11.1%, 2/18; Ib-sparing group: 0/10, 0.0% vs Ib-covering group: 2/8, 25.0%; P = 0.183). In Cohort B, no cases were found with level Ib recurrence (0.0%, 0/49). In Cohort C, the rates were rare (0.8%, 4/504) in both groups (0.7%, 2/276 vs 0.9%, 2/228; P > 0.999). Among the three Cohorts, there were no significant differences in 5-year RRFS between two groups, which were 90.0% vs 62.5% (p = 0.248), 90.9% vs 92.0% (p = 0.905), and 92.6% vs 90.1% (p = 0.445), respectively. Among patients with high-risk factors, the incidence of grade 3-4 late dry mouth symptom was higher in the level Ib-covering group (3.1% vs 7.5%, P = 0.033). CONCLUSION Level Ib sparing appears safe and feasible for NPC patients with negative level Ib LNs, even if combined with risk factors: SMG involvement, and/or level II with rENE, and/or level II MAD ≧2 cm. Level Ib-sparing irradiation reduces dry mouth symptoms compared with level Ib-irradiation.
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Affiliation(s)
- Z Meng
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; Department of Oncology, The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - P Li
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; The First Affiliated Hospital, Department of Oncology Radiotherapy, Hengyang Medical School, University of South China, Hengyang, China
| | - D Yang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, Guangxi, China
| | - H Dong
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; The Second People's Hospital of Yichang, Yichang, China
| | - R Li
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; Department of Medical Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - S Wang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; Oncology Department, The Third Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - X Chen
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; Guangxi Key Laboratory of Immunology and Metabolism for Liver Diseases, Nanning, China
| | - H Huang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; Guangxi Key Laboratory of Immunology and Metabolism for Liver Diseases, Nanning, China
| | - M Kang
- Department of Radiation Oncology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; Guangxi Key Laboratory of Immunology and Metabolism for Liver Diseases, Nanning, China
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Zhou T, Wang X, Wang K, Lin Y, Meng Z, Lan Q, Jiang Z, Chen J, Lin Y, Liu X, Lin H, Wu S, Lin D. Activation of aldehyde dehydrogenase-2 improves ischemic random skin flap survival in rats. Front Immunol 2023; 14:1127610. [PMID: 37441072 PMCID: PMC10335790 DOI: 10.3389/fimmu.2023.1127610] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 05/30/2023] [Indexed: 07/15/2023] Open
Abstract
Objective Random skin flaps have many applications in plastic and reconstructive surgeries. However, distal flap necrosis restricts wider clinical utility. Mitophagy, a vital form of autophagy for damaged mitochondria, is excessively activated in flap ischemia/reperfusion (I/R) injury, thus inducing cell death. Aldehyde dehydrogenase-2 (ALDH2), an allosteric tetrameric enzyme, plays an important role in regulating mitophagy. We explored whether ALDH2 activated by N-(1,3-benzodioxol-5-ylmethyl)-2,6-dichlorobenzamide (Alda-1) could reduce the risk of ischemic random skin flap necrosis, and the possible mechanism of action. Methods Modified McFarlane flap models were established in 36 male Sprague-Dawley rats assigned randomly to three groups: a low-dose Alda-1 group (10 mg/kg/day), a high-dose Alda-1 group (20 mg/kg/day) and a control group. The percentage surviving skin flap area, neutrophil density and microvessel density (MVD) were evaluated on day 7. Oxidative stress was quantitated by measuring the superoxide dismutase (SOD) and malondialdehyde (MDA) levels. Blood perfusion and skin flap angiogenesis were assessed via laser Doppler flow imaging and lead oxide-gelatin angiography, respectively. The expression levels of inflammatory cytokines (IL-1β, IL-6, and TNF-α), vascular endothelial growth factor (VEGF), ALDH2, PTEN-induced kinase 1 (PINK1), and E3 ubiquitin ligase (Parkin) were immunohistochemically detected. Indicators of mitophagy such as Beclin-1, p62, and microtubule-associated protein light chain 3 (LC3) were evaluated by immunofluorescence. Results Alda-1 significantly enhanced the survival area of random skin flaps. The SOD activity increased and the MDA level decreased, suggesting that Alda-1 reduced oxidative stress. ALDH2 was upregulated, and mitophagy-related proteins (PINK1, Parkin, Beclin-1, p62, and LC3) were downregulated, indicating that ALDH2 inhibited mitophagy through the PINK1/Parkin signaling pathway. Treatment with Alda-1 reduced neutrophil infiltration and expressions of inflammatory cytokines. Alda-1 significantly upregulated VEGF expression, increased the MVD, promoted angiogenesis, and enhanced blood perfusion. Conclusion ALDH2 activation can effectively enhance random skin flap viability via inhibiting PINK1/Parkin-dependent mitophagy. Moreover, enhancement of ALDH2 activity also exerts anti-inflammatory and angiogenic properties.
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Affiliation(s)
- Taotao Zhou
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Xibin Wang
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical University, Wenzhou, China
| | - Kaitao Wang
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Yi Lin
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Zhefeng Meng
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Qicheng Lan
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical University, Wenzhou, China
| | - Zhikai Jiang
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Jianpeng Chen
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Yuting Lin
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical University, Wenzhou, China
| | - Xuao Liu
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Hang Lin
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical University, Wenzhou, China
| | - Shijie Wu
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Dingsheng Lin
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
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11
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Meng Z, Wang K, Lan Q, Zhou T, Lin Y, Jiang Z, Chen J, Lin Y, Liu X, Lin H, Lin D. Saxagliptin promotes random skin flap survival. Int Immunopharmacol 2023; 120:110364. [PMID: 37224651 DOI: 10.1016/j.intimp.2023.110364] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [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: 03/03/2023] [Revised: 04/30/2023] [Accepted: 05/17/2023] [Indexed: 05/26/2023]
Abstract
BACKGROUND Flap necrosis is a common issue encountered in clinical flap transplantation surgery. Here, we assessed the effects of saxagliptin, a dipeptidyl peptidase-4 inhibitor, on flap survival and explored the underlying mechanisms. METHODS A dorsal McFarlane flap model was established in 36 rats, which were randomly divided into a high-dose saxagliptin (HS) group (saxagliptin, 30 mg/kg/day, n = 12), low-dose saxagliptin (LS) group (saxagliptin, 10 mg/kg/day, n = 12), and control group (n = 12). On day 7, flap survival was examined by eye in six rats from each group, along with determination of blood perfusion by laser Doppler flowmetry and angiogenesis by angiography. The remaining rats were sacrificed for harvesting of flap tissue. The status of the flap tissue was examined histopathologically by staining with hematoxylin and eosin (H&E). Oxidative stress was evaluated by determination of superoxide dismutase (SOD) activity and malonaldehyde (MDA) content. Gasdermin D (GSDMD), vascular endothelial growth factor (VEGF), tumor necrosis factor-α (TNF-α), NOD-like receptor pyrin domain containing 3 (NLRP3), interleukin (IL)-6, IL-18, Toll-like receptor 4 (TLR4), IL-1β, caspase-1, and nuclear factor-κB (NF-κB) expression were detected by immunohistochemical analysis. RESULTS The experimental group exhibited a larger area of flap survival, with more blood perfusion and neovascularization and better histopathological status than the control group. The degree of oxidative stress and the levels of NF-κB, TLR4, proinflammatory cytokines, and pyroptosis-associated protein were decreased in the experimental group, while the VEGF level was increased in a saxagliptin dose-dependent manner. CONCLUSION Saxagliptin promotes random skin flap survival.
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Affiliation(s)
- Zhefeng Meng
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Kaitao Wang
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Qicheng Lan
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical University, Wenzhou 325000, China
| | - Taotao Zhou
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Yi Lin
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Zhikai Jiang
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Jianpeng Chen
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Yuting Lin
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical University, Wenzhou 325000, China
| | - Xuao Liu
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, China
| | - Hang Lin
- Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, The First School of Clinical Medical, Wenzhou Medical University, Wenzhou 325000, China
| | - Dingsheng Lin
- Department of Hand and Plastic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, China.
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12
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Li R, Meng Z, Zhang Y, He Y. Anterolateral thigh flap with a central hole for the repair of extensive oral defects in patients treated for chemotherapy-induced trismus. Int J Oral Maxillofac Surg 2023; 52:313-317. [PMID: 35941054 DOI: 10.1016/j.ijom.2022.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 11/19/2022]
Abstract
Trismus is a rare complication of chemotherapy. The usefulness of a modified anterolateral thigh (ALT) flap for the repair of extensive oral defects in patients treated for chemotherapy-induced trismus was evaluated. Between 2019 and 2021, three patients with chemotherapy-induced trismus underwent scar excision. A thinned ALT flap with a central hole was designed to repair the resultant oral mucosal defects. The patients were followed up for a mean 9.3 months (range 4-18 months). The mean pre- and intraoperative maximum inter-incisal opening (MIO) was 0.7 cm (range 0-2.0 cm) and 3.6 cm (range 3.4-3.7 cm), respectively, indicating a significant operative effect. MIO at the latest follow-up was 2.4 cm (range 1.5-3.5 cm). All of the flaps survived without complications. All patients achieved a good diet and were satisfied with the aesthetics. Thorough excision of the perioral scar and restoration with a modified ALT flap achieved satisfactory mouth opening and cosmetic effects in patients with chemotherapy-induced trismus.
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Affiliation(s)
- R Li
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China
| | - Z Meng
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, Beijing, China
| | - Y Zhang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China
| | - Y He
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, China.
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Yu T, Zhang M, Zhang H, Zheng J, Shen C, Jiang N, Zou L, Wang J, Yu Y, Zhang Q, Yu S, Huang Y, Huang Y, Zhang J, Qiu C, Zhang W, Meng Z. Evidence of Residual Ongoing Viral Replication in Chronic Hepatitis B Patients Successfully Treated With Nucleos(t)ide Analogues. J Infect Dis 2023; 227:675-685. [PMID: 36546708 DOI: 10.1093/infdis/jiac493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 11/17/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Chronic hepatitis B is usually treated with nucleos(t)ide analogues (NAs). However, a cure is rarely achieved, even with years of treatment. Here, we investigated whether viral replication is completely halted and how long covalently closed circular DNA (cccDNA) persists in patients successfully treated with NAs. METHODS A series of longitudinal serum samples and a collection of cross-sectional liver biopsies were obtained from patients successfully treated with NAs. Viral variants in serum HBV RNA were enumerated by deep sequencing. Viral replication intermediates in hepatocytes were directly visualized by in situ hybridization. The apparent half-life of each cccDNA was estimated. RESULTS Three of 6 successfully treated patients demonstrated clear evidence of a small proportion of virus evolution, although the overwhelming proportion of variants were identical or possessed a similar degree of divergence through time. The apparent half-life of variants was estimated to be from approximately 7.42 weeks to infinite. Hepatocytes remained positive for cytoplasmic nucleocapsids-associated relaxed circular DNA in 4 of 7 liver needle biopsies. CONCLUSIONS We conclude that even after prolonged treatment, a small proportion of the cccDNA reservoir is constantly replenished by continued low-level HBV replication, whereas a large proportion of the cccDNA reservoir persists over time.
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Affiliation(s)
- Tong Yu
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Miaoqu Zhang
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Hanyue Zhang
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Jianming Zheng
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Chuan Shen
- Department of Infectious Disease, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang, China
- Clinical Research Center for Infectious Disease of Hebei Province, Shijiazhuang, China
| | - Ning Jiang
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Lei Zou
- Department of Infectious Disease, Yancheng Second People's Hospital, Yancheng, China
| | - Jing Wang
- Department of Infectious Disease, Jingan District Central Hospital of Shanghai, Shanghai, China
| | - Yiqi Yu
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Qiran Zhang
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Shuili Yu
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Yanfang Huang
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Yuxian Huang
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Jiming Zhang
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Chao Qiu
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Wenhong Zhang
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
| | - Zhefeng Meng
- Minhang Hospital and Institutes of Biomedical Sciences and Huashan Hospital, Fudan University, Shanghai, China
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J. Xie, Yi L, Meng Z. 95P A phase II study of combination of H101 (a recombinant human adenovirus type 5) and nivolumab for advanced hepatocellular carcinoma (HCC) after systemic therapy failure. Immuno-Oncology and Technology 2022. [DOI: 10.1016/j.iotech.2022.100199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Cheng Y, Wang J, Yu Y, Zang A, Lv D, Li S, Cao L, Meng Z, Mao W, Zhang J, Liu A, Zhang Y, Tang K, Liu J, Zheng J, Wang Z, Chen E, Zhang X, Guo Q, Huang D. 103P Phase IIIb study of durvalumab plus platinum-etoposide in first-line treatment of Chinese extensive-stage small cell lung cancer (ORIENTAL): Preliminary safety and efficacy results. Immuno-Oncology and Technology 2022. [DOI: 10.1016/j.iotech.2022.100207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Qin S, Guo Y, Meng Z, Wu J, Gu K, Zhang T, Lin X, Lin H, Ying JE, Zhou F, Hsing-Tao K, Chao Y, Li S, Chen Y, Boisserie F, Abdrashitov R, Bai Y. LBA2 Tislelizumab (TIS) versus sorafenib (SOR) in first-line (1L) treatment of unresectable hepatocellular carcinoma (HCC): The RATIONALE-301 Chinese subpopulation analysis. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
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Meng Z, Wu K, Pei X, Gu Y, Li L, He D. 12P In vitro and in vivo investigations of anlotinib in bladder cancer treatment. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.040] [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: 11/01/2022] Open
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Ren Z, Li Z, Zhang T, Fang W, Hu S, Pan H, Yen C, Hou J, Chen Y, Shao G, Hsu C, Bai Y, Meng Z, Hou M, Xie C, Liu Y, Wu J, Li B, Chica-Duque S, Cheng A. P-25 Tislelizumab monotherapy for patients with previously treated advanced hepatocellular carcinoma (HCC): RATIONALE-208 Chinese subpopulation. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.116] [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: 11/01/2022] Open
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19
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Hu Z, Liu Y, Wang J, Meng Z, Leuba SI, Wei J, Duan X, Chu Z, Chen M, Shang H, Xu J. Frequently Transmission and Close Relationship Among Immigrants in the China-Myanmar Border Region Indicated by Molecular Transmission Analysis From a Cross-Sectional Data. Front Med (Lausanne) 2022; 8:693915. [PMID: 35572804 PMCID: PMC9094042 DOI: 10.3389/fmed.2021.693915] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 12/20/2021] [Indexed: 11/13/2022] Open
Abstract
Background Accurate identification of molecular transmission clusters (MTCs) and understanding the dynamics of human immunodeficiency virus (HIV) transmission are necessary to develop targeted interventions to prevent HIV transmission. We evaluated the characteristics of antiretroviral therapy-naïve individuals who belonged to HIV-1 MTCs in the China-Myanmar border region to inform targeted effective HIV intervention. Methods Phylogenetic analyses were undertaken on HIV-1 pol sequences to characterize subtypes or circulating recombinant forms and identify MTCs. MTCs were defined as those with 2 or more sequences having bootstrap support > 80% and a pairwise gene distance less than or equal to 0.03. Factors correlated with MTCs were evaluated using logistic regression analysis. The chi-square test was used to compare differences between Chinese and Burmese participants belonging to MTCs. Results A total of 900 people had their pol gene successfully sequenced. Twenty-one MTCs were identified and included 110 individuals (12.2%). Individuals in MTCs were more likely to be Burmese [aOR = 2.24 (95% CI: 1.33, 3.79), P = 0.003], be younger [aOR = 0.34 (95% CI: 0.20, 0.58), P < 0.001 for age 26-50 vs. 25 years or younger], have a lower CD4 T cell count [aOR = 2.86 (95% CI: 1.34, 6.11), P = 0.007 for < 200 vs. 350 or greater], and have subtypes CRF07_BC or C [CRF07_BC: aOR = 7.88 (95% CI: 3.55, 17.52), P < 0.001; C: aOR = 2.38 (95% CI: 1.23, 4.62), P = 0.010 compared to CRF01_AE]. In MTCs, Burmese were younger (89.7 vs. 57.7% for age 25 years or younger), had a lower education level (41.0 vs. 8.5% for illiterate), were more likely to be infected through injection drug use (35.9 vs. 12.7%), and had a higher proportion of subtype BC (33.3 vs. 15.5%) and CRF01_AE (20.5 vs. 8.5%) compared to Chinese (P < 0.05 for all). Conclusion Burmese participants were more likely to belong to MTCs, and most MTCs had both Burmese and Chinese participants. These data highlight the bidirectional transmission of HIV-1 frequently transmission and close relationship among immigrants in the China-Myanmar border region. Local health departments should pay more attention to HIV screening and intervention to immigrants Burmese with the characteristics of younger age, having lower CD4 T cell count and infected with HIV subtypes CRF07_ BC or C.
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Affiliation(s)
- Zhili Hu
- NHC Key Laboratory of AIDS Immunology (China Medical University), National Clinical Research Center for Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China.,Key Laboratory of AIDS Immunology, Chinese Academy of Medical Sciences, Shenyang, China.,Key Laboratory of AIDS Immunology of Liaoning Province, Shenyang, China.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Yingjie Liu
- NHC Key Laboratory of AIDS Immunology (China Medical University), National Clinical Research Center for Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China.,Key Laboratory of AIDS Immunology, Chinese Academy of Medical Sciences, Shenyang, China.,Key Laboratory of AIDS Immunology of Liaoning Province, Shenyang, China.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Jibao Wang
- Department of STD/AIDS Prevention and Control, Dehong Prefecture Center for Disease Control and Prevention, Mangshi, China
| | - Zhefeng Meng
- Key Laboratory of Digestive Cancer Full Cycle Monitoring and Precise Intervention of Shanghai Municipal Health Commission, Minhang Hospital, Fudan University, Shanghai, China
| | - Sequoia I Leuba
- Department of Epidemiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Jie Wei
- NHC Key Laboratory of AIDS Immunology (China Medical University), National Clinical Research Center for Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China.,Key Laboratory of AIDS Immunology, Chinese Academy of Medical Sciences, Shenyang, China.,Key Laboratory of AIDS Immunology of Liaoning Province, Shenyang, China.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Xing Duan
- Department of STD/AIDS Prevention and Control, Dehong Prefecture Center for Disease Control and Prevention, Mangshi, China
| | - Zhenxing Chu
- NHC Key Laboratory of AIDS Immunology (China Medical University), National Clinical Research Center for Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China.,Key Laboratory of AIDS Immunology, Chinese Academy of Medical Sciences, Shenyang, China.,Key Laboratory of AIDS Immunology of Liaoning Province, Shenyang, China.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Min Chen
- Institute for AIDS/STD Control and Prevention, Yunnan Center for Disease Control and Prevention, Kunming, China
| | - Hong Shang
- NHC Key Laboratory of AIDS Immunology (China Medical University), National Clinical Research Center for Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China.,Key Laboratory of AIDS Immunology, Chinese Academy of Medical Sciences, Shenyang, China.,Key Laboratory of AIDS Immunology of Liaoning Province, Shenyang, China.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
| | - Junjie Xu
- NHC Key Laboratory of AIDS Immunology (China Medical University), National Clinical Research Center for Laboratory Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China.,Key Laboratory of AIDS Immunology, Chinese Academy of Medical Sciences, Shenyang, China.,Key Laboratory of AIDS Immunology of Liaoning Province, Shenyang, China.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, China
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20
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Meng Z, Shuo G, Guohu D, Wei Z, Jingyi L, Yuanchao C, Zhaodong L, Changhong Y. Difference in the effect of orthokeratology on slowing teen myopia with different years of follow-up. J Fr Ophtalmol 2022; 45:718-727. [DOI: 10.1016/j.jfo.2022.02.003] [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] [Received: 01/08/2022] [Revised: 02/07/2022] [Accepted: 02/14/2022] [Indexed: 11/17/2022]
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21
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Liu J, Meng Z, Xu T, Kuerban K, Wang S, Zhang X, Fan J, Ju D, Tian W, Huang X, Huang X, Pan D, Chen H, Zhao W, Ye L. A SIRPαFc Fusion Protein Conjugated With the Collagen-Binding Domain for Targeted Immunotherapy of Non-Small Cell Lung Cancer. Front Immunol 2022; 13:845217. [PMID: 35422796 PMCID: PMC9002095 DOI: 10.3389/fimmu.2022.845217] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [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: 12/29/2021] [Accepted: 03/03/2022] [Indexed: 01/14/2023] Open
Abstract
The SIRPαFc fusion protein can block the immunosuppressive CD47-SIRPα signal between macrophages and tumor cells as a decoy receptor and has demonstrated its immunotherapeutic efficacy in various tumors. However, its clinical application was limited because of the potential hematologic toxicity. The heptapeptide “TKKTLRT” is a collagen-binding domain (CBD) which can bind collagen specifically. Herein, we aim to improve the tumor targeting of SIRPαFc and therefore avoid its unnecessary exposure to normal cells through synthesizing a TKKTLRT–SIRPαFc conjugate. Experiments at molecular and cellular levels indicate that the TKKTLRT–SIRPαFc conjugate-derived collagen-binding affinity and the introduction of CBD did not impact the CD47-binding affinity as well as its phagocytosis-promoting effect on NSCLC cells. In vivo distribution experiments showed that CBD–SIRPαFc accumulated in tumor tissue more effectively compared to unmodified SIRPαFc, probably due to the exposed collagen in the tumor vascular endothelium and stroma resulting from the abnormal vessel structure. On an A549 NSCLC nude mouse xenograft model, CBD–SIRPαFc presented more stable and effective antitumor efficacy than SIRPαFc, along with significantly increased CD11b+F4/80+ macrophages especially MHC II+ M1 macrophages within tumors. All of these results revealed that CBD brought a tumor-targeting ability to the SIRPαFc fusion protein, which contributed to the enhanced antitumor immune response. Altogether, the CBD–SIRPαFc conjugate may have the potential to be an effective tumor immunotherapy with improved antitumor efficacy but less non-tumor-targeted side effect.
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Affiliation(s)
- Jiayang Liu
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Zhefeng Meng
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China
| | - Tongyang Xu
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China
| | - Kudelaidi Kuerban
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Songna Wang
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Xuyao Zhang
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Jiajun Fan
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Dianwen Ju
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Wenzhi Tian
- ImmuneOnco Biopharma (Shanghai) Co., Ltd., Shanghai, China
| | - Xuan Huang
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Xiting Huang
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China
| | - Danjie Pan
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Huaning Chen
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
| | - Weili Zhao
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, China
| | - Li Ye
- Minhang Hospital & Department of Biological Medicines at School of Pharmacy, Fudan University, Shanghai, China.,Shanghai Engineering Research Center of Immunotherapeutics, School of Pharmacy, Fudan University, Shanghai, China
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22
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Xin G, Yuedong Y, Xuemei S, Chenhan M, Meng Z, Chenbo Z, Ning G, Xindong W. The mechanism of Epimedium in the treatment of coronary atherosclerotic heart disease based on network pharmacology, molecular docking, and in vitro studies. Eur Rev Med Pharmacol Sci 2022; 26:2478-2488. [PMID: 35442463 DOI: 10.26355/eurrev_202204_28482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
OBJECTIVE There are many challenges related to the treatment of coronary atherosclerotic heart disease (CAD). Studies have confirmed that Epimedium extract inhibits myocardial injury induced by myocardial ischaemia, but the mechanism of action remains unclear. This study aimed at analysed the effective components and mechanisms of Epimedium in treating CAD based on network pharmacology and molecular docking studies and to verify the mechanism in vitro. MATERIALS AND METHODS The TCMSP and UniProt databases were used to filter for the active components and drug targets of Epimedium. The GeneCards database was used to screen disease targets associated with CAD. The intersection of the drug targets of Epimedium and the disease targets of coronary heart disease was studied to identify the targets of Epimedium in the treatment of CAD. Cytoscape software was used to establish and analyse an activity-target network. The STRING database was used to analyse a protein-protein interaction (PPI) network, and proteins in the PPI network were visualized in the R language. Bioconductor software was used for GO function and KEGG pathway enrichment analyses, and visualization analysis was performed in the R language. PyMOL software was used to verify the molecular docking between selected active components of Epimedium and the targets of CAD, and the potential key effective components of Epimedium in the treatment of coronary heart disease were identified. The involvement of the PI3K/Akt pathway was validated by Western blot analysis. RESULTS (1) Twenty-three active compounds, including Epimedium glycoside, quercetin, luteolin, and olive resin, were screened out. There were 68 common targets of Epimedium and CAD, including IL-6, ESR1, RELA, FOS, NCOA1, CCND1, EGFR, MAPK8, VEGFA, and CASP8. The potential signaling pathways involved in the treatment of CAD by Epimedium included the human cytomegalovirus infection pathway, the PI3K-Akt signaling pathway, the TNF signaling pathway, and the HIF-1 signaling pathway. (2) Luteolin, quercetin, sitosterol, and anhydroicaritin showed strong binding to targets of CAD based on molecular docking studies. (3) Epimedium extract increased the expression of PI3K, Akt and P-Akt but decreased the expression of IL-6 in vitro. CONCLUSIONS (1) Icariin, quercetin and luteolin may act on target proteins, including IL-6, ESR1, EGFR, MAPK8, VEGFA and CASP8, to participate in the regulation of the human cytomegalovirus infection pathway, the PI3K-Akt signaling pathway, the TNF signaling pathway and other signaling pathways in order to effectively treat CAD. (2) In vitro studies confirmed that Epimedium extract can treat CAD by upregulating PI3K, Akt and P-Akt protein expression and downregulating IL-6 protein expression in SD rat cardiomyocytes.
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Affiliation(s)
- G Xin
- Department of Cardiology, Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China.
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23
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Xiao Y, Salim M, Meng Z, Khan U, Kohansal AR, Forbes N, Heitman S, James PD. A205 IS REPEAT ERCP REQUIRED AFTER INITIAL ENDOSCOPIC MANAGEMENT OF POST-SURGICAL BILE LEAKS? MULTI-CENTER VALIDATION OF THE CALGARY BILE LEAK RULE. J Can Assoc Gastroenterol 2022. [PMCID: PMC8859123 DOI: 10.1093/jcag/gwab049.204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background The Calgary Bile Leak Rule was developed to identify patients in whom biliary stent removal via gastroscopy could be safely performed in lieu of ERCP for post-surgical bile leaks. Aims This study aimed to evaluate a Modified Calgary Bile Leak Rule (MCBLR) for a cohort of patients who underwent laparoscopic cholecystectomy complicated by bile leak. Methods This retrospective cohort study included patients who underwent ERCP for management of laparoscopic cholecystectomy-induced bile leaks between 2005 and 2017. The primary outcome was defined as the absence of persisting bile leak or other pathology on follow-up ERCP. The MCBLR includes a) normal post-surgical serum alkaline phosphatase, b) small or absent leak with no other biliary pathology on initial ERCP, and c) time between initial and follow-up ERCP was 4–8 weeks. Test performance of the prediction rule was analyzed by calculating sensitivity, specificity, positive predictive value and negative predictive value. Results 124 cases met inclusion criteria, of which 116 (94%) of bile leak cases had no leak identified during the follow-up ERCP. 8 (6.4%) had a persisting bile leak on follow-up ERCP. Bivariate analysis found no factors significantly associated with the primary outcome. The MCBLR demonstrated a sensitivity of 100% (95% CI 63% - 100%), a specificity of 35% (95% CI 26% - 44%), a positive predictive value of 10% (95% CI 4% - 18%), and a negative predictive value of 100.0% (91% to 100%). Conclusions The MCBLR demonstrated high sensitivity and negative predictive value for determining the need for repeat ERCP following endoscopic management of laparoscopic cholecystectomy-induced bile leaks. Funding Agencies None
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Affiliation(s)
- Y Xiao
- University of Toronto, Toronto, ON, Canada
| | - M Salim
- University Health Network, Toronto, ON, Canada
| | - Z Meng
- University of Alberta, Edmonton, AB, Canada
| | - U Khan
- University of Toronto, Toronto, ON, Canada
| | - A R Kohansal
- Gastroenterology, University of Alberta, Edmonton, AB, Canada
| | - N Forbes
- University of Calgary, Calgary, AB, Canada
| | - S Heitman
- University of Calgary, Calgary, AB, Canada
| | - P D James
- University of Toronto, Toronto, ON, Canada
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24
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Babu A, Eden N, Meng Z, Lamb D, Bhatia R, Voon V. Can echocardiographic parameters predict mortality in COVID-19? Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Introduction
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), otherwise known as the coronavirus (COVID-19) pandemic presents one of the greatest medical challenges of our generation. Whilst commonly causing a viral pneumonitis, myocardial damage has also been suggested by elevated serum troponin values greater than the 99th centile in up to 30% of individuals who require hospitalisation and correlates with increased mortality.
Purpose
We aim to identify whether transthoracic echocardiography (TTE) parameters can elucidate the phenomenon of abnormal troponin levels. Furthermore, we seek to characterise the most frequent demographic, biochemical, echocardiographic features and co-morbidities associated with adverse outcomes in this cohort.
Methods
A retrospective analysis was conducted utilising electronic patient records of consecutive hospitalised patients with a positive COVID-19 swab between 1st March and 31st October 2020 who underwent a TTE at our institution. Pertinent variables were collected including: the clinical indication, demographics including cardiovascular (CV) risk factors, peak troponin values and fundamental echocardiographic parameters.
Results
During this 8-month period, a total of 90 patients underwent a TTE. The mean age of the cohort was 63 years of age and 56% were male. More than half (56.6%) were admitted to the intensive care unit (ICU). A salient 41.1% (n=37) of our cohort succumbed to this devastating virus. Notably, 38.9% (n=35) were of black and minority ethnic origin (BAME). A striking 64.9% (n=24) of patients who died had hypertension. The mean troponin levels were 168.7 ng/L and 176.6 ng/L (0–34 ng/L) in the survivors and non-survivors group respectively. With regards to TTE, the left ventricular parameters were similar between both groups with a mean left ventricular ejection fraction (LVEF) of 60.6% in the non-survivors. Conversely, both right ventricular (RV) dysfunction (37.8%) and raised pulmonary artery systolic pressures (PASP) (51.4%) were markedly more frequent in the patients who perished due to COVID-19 infection.
Conclusion
Remarkably, in this extremely ill group of patients who died, 91.9% of patients had a preserved LVEF. There were no overt differences between troponin levels in the survivors and non-survivors. However, hypertension, RV dysfunction and raised PASP were distinctly more prominent in the non-survivors. Thus, providing insight that a normally functioning left ventricle does not preclude to poor outcomes. Overall, this single-centre retrospective study demonstrates that the echocardiographic phenotype associated with mortality is consistent with a severe respiratory illness rather than direct myocardial injury from COVID-19. A multi-modality imaging approach may facilitate the identification of adverse tissue characterisation changes associated with this novel virus as well as guiding further risk stratification and patient management on a case-by-case basis.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- A Babu
- Homerton University Hospital, London, United Kingdom
| | - N Eden
- Homerton University Hospital, London, United Kingdom
| | - Z Meng
- Homerton University Hospital, London, United Kingdom
| | - D Lamb
- Homerton University Hospital, London, United Kingdom
| | - R Bhatia
- St George's University Hospital NHS Foundation Trust, Cardiology, London, United Kingdom
| | - V Voon
- Homerton University Hospital, London, United Kingdom
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25
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He Z, Meng Z, Liang P, Xing L, Zheng X, Wang G. P13.15 Pre-clinical trial of T601 oncolytic virus for high grade glima via intra-tumoral injection. Neuro Oncol 2021. [DOI: 10.1093/neuonc/noab180.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
BACKGROUND
An effective therapeutic method still hasn’t been devised for lethal high grade glioma. Thus, a method with high anti-tumoral efficiency, tumoral targeting, and acceptable side effect needs to be designed. Oncolytic virotherapy which can specifically lyse tumor cells via mass replication and deleting nucleotide metabolism related gene, like TK, required in viral replication and overexpressed in tumor cells, provides hope for patients. However, the virus only contained TK deletion is unable to show sufficient specificity of anti-tumoral response in tumor cells. Here, the adapted strain of vaccinia virus with high tumoral specificity due to TK and RR deletion and FUC1 insertion, named T601, is chosen in this project. In clinical application, intra-tumoral injection showed improved anti-tumoral efficiency and acceptable side effect. However, intra-tumoral viral injection in orthotropic glioma model is rare. In this project, various biosafety and antitumoral efficiency parameter would be tested for confirming the biosafety and reliability of intra-tumoral T601 viral injection for future clinical trials.
MATERIAL AND METHODS
For measuring the IC50 of T601, 10 different amounts of virus was tested in vitro via calculating cell viability with CCK-8(cell counting kit-8). For measuring the further antitumoral response of FCU1, different concentration of the 5-FC was added into the medium with IC50 viral amount. To ensure the biosafety of T601, MTD (maximum tolerance dose) was measured. Based on the MTD result, for evaluating the anti-tumoral efficiency, 106 pfu,105 pfu,104 pfu of virus was intra-tumoral injected in orthotopic GBM bearing mice. Tumor size was measured once a week through in vivo bioimaging system.
RESULTS
0.022 MOI, the IC50 of T601, showed high cytotoxicity of T601. Moreover, the significantly decreased cell viability under the combined treatment of 5-FC and 0.22MOI T601 showed intact anti-tumoral function. In MTD assay, except for 107 group, no significant weight loss was found. However, in 107 pfu group, mean body weight decreased around 10% and animal fatality happened on day 9. According to the MTD result, certain amount of virus was intra-tumorally injected. In all treatment group, the tumor size was significantly shrined. At the same time, the survival rate of mice under viral treatment was significantly extended.
CONCLUSION
In summary, T601 exhibited efficient anti-tumoral function and acceptable side effect. T601 treatment prolonged the survival period of GBM mice with acceptable neurotoxicity, demonstrating that T601 contains necessary criterial for intra-tumoral injection. Ultimately, this project provided basic reference information of dose for future clinical trial.
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Affiliation(s)
- Z He
- Tsinghua University, Beijing, China
| | - Z Meng
- Tsinghua University, Beijing, China
| | - P Liang
- Southeath Univeristy, Nanjing, China
| | - L Xing
- Tasly Tianjin BioPharmaceutical Co. Ltd., Tianjin, China
| | - X Zheng
- Tasly Tianjin BioPharmaceutical Co. Ltd., Tianjin, China
| | - G Wang
- Tsinghua University, Beijing, China
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26
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Zhang Y, Ding X, Meng Z, Chen M, Zheng X, Cai M, Wu J, Chang Y, Zhang Q, Jin L, Qian D, Li X, Wu M, Yan K, Lu Y, Zhang X. A Genome-wide association study identified HLA-C associated with the effectiveness of methotrexate for psoriasis treatment. J Eur Acad Dermatol Venereol 2021; 35:e898-e900. [PMID: 34310775 DOI: 10.1111/jdv.17544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 07/16/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Y Zhang
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - X Ding
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Z Meng
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - M Chen
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - X Zheng
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - M Cai
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - J Wu
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Y Chang
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Q Zhang
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - L Jin
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - D Qian
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - X Li
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - M Wu
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - K Yan
- Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Y Lu
- Institute of Dermatology and Department of Dermatology, Chengdu Second People's Hospital, Chengdu, China
| | - X Zhang
- Institute of Dermatology and Department of Dermatology, The First Affiliated Hospital, Anhui Medical University, Hefei, China.,Institute of Dermatology and Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
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27
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Du L, Wang L, Yu T, Xin R, Meng Z. Analysis of Vpr Genetic Variations between Chinese Major Circulating Recombinants CRF01_AE and CRF07_BC. Curr HIV Res 2021; 18:165-171. [PMID: 32096745 DOI: 10.2174/1570162x18666200225113857] [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: 11/10/2019] [Revised: 02/10/2020] [Accepted: 02/10/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND HIV-1 CRF01_AE and CRF07_BC recombinant strains are responsible for more than 80% of new infections in China since the beginning of the 2000s. These two strains may have distinct genetic mutations, which resulted in distinct patterns of pathogenesis related to the viral gene, Vpr. OBJECTIVE The amino acid pattern and genetic diversity of Vpr were analyzed and characterized in HIV-1 CRF01_AE and CRF07_BC HIV-1 strains. METHODS The Vpr gene was amplified from extracted viral RNA and DNA sequencing was performed using an ABI3730 analyzer. The positional amino acid composition, genetic variation and distance of Vpr sequence were analyzed by Bio-Edit 7.2 and Mega 6.01 software packages. RESULTS A total of 162 CRF01_AE and 80 CRF07_BC derived Vpr sequences were obtained by DNA sequencing. CRF01_AE patients showed higher viral load and lower CD4 counts than CRF07_BC patients (P<0.05). Higher genetic distance and more polymorphic amino acids were found in CRF01_AE Vpr than CRF07_BC Vpr (P<0.05). The common conservative amino acid region was identified as 29EAVRHFP35 in both CRF07_BC and CRF01_AE. Of note, the R77Q mutation was found in both the most recently Chinese derived CRF07_BC and CRF01_AE Vpr. CONCLUSION CRF01_AE derived Vpr has higher genetic variation and pathogenesis in comparison to the CRF07_BC strain.
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Affiliation(s)
- Ling Du
- Minhang Hospital, Fudan University, No.170, Xingsong Road, Minhang District, Shanghai, China
| | - Lina Wang
- The Third People's Hospital of Zhenjiang City, Jiangsu Province, Zhenjiang, China
| | - Tong Yu
- Minhang Hospital, Fudan University, No.170, Xingsong Road, Minhang District, Shanghai, China
| | - Ruolei Xin
- Beijing Center for Disease Prevention and Control, Beijing, China
| | - Zhefeng Meng
- Minhang Hospital, Fudan University, No.170, Xingsong Road, Minhang District, Shanghai, China
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Cai X, Wang R, Tan J, Meng Z, Li N. Mechanisms of regulating NIS transport to the cell membrane and redifferentiation therapy in thyroid cancer. Clin Transl Oncol 2021; 23:2403-2414. [PMID: 34100218 DOI: 10.1007/s12094-021-02655-0] [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: 03/08/2021] [Accepted: 05/28/2021] [Indexed: 11/29/2022]
Abstract
Iodine is an essential constituent of thyroid hormone. Active iodide accumulation in the thyroid is mediated by the sodium iodide symporter (NIS), comprising the first step in thyroid hormone biosynthesis, which relies on the functional expression of NIS on the cell membrane. The retention of NIS expressed in differentiated thyroid cancer (DTC) cells allows further treatment with post-operative radioactive iodine (RAI) therapy. However, compared with normal thyroid tissue, differentiated thyroid tumors usually show a decrease in the active iodide conveyance and NIS is generally retained within the cells, indicating that posttranslational protein transfer to the plasma membrane is abnormal. In recent years, through in vitro studies and studies of patients with DTC, various methods have been tested to increase the transport rate of NIS to the cell membrane and increase the absorption of iodine. An in-depth understanding of the mechanism of NIS transport to the plasma membrane could lead to improvements in RAI therapy. Therefore, in this review, we discuss the current knowledge concerning the post-translational mechanisms that regulate NIS transport to the cell membrane and the current status of redifferentiation therapy for patients with RAI-refractory (RAIR)-DTC.
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Affiliation(s)
- X Cai
- Department of Nuclear Medicine, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - R Wang
- Department of Nuclear Medicine, Tianjin Medical University General Hospital, Tianjin, 300052, China.
| | - J Tan
- Department of Nuclear Medicine, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - Z Meng
- Department of Nuclear Medicine, Tianjin Medical University General Hospital, Tianjin, 300052, China
| | - N Li
- Department of Nuclear Medicine, Tianjin Medical University General Hospital, Tianjin, 300052, China
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Bishay K, Meng Z, Frehlich L, James MT, Kaplan GG, Bourke MJ, Hilsden RJ, Heitman S, Forbes N. A116 PROPHYLACTIC CLIPPING TO PREVENT DELAYED COLONIC POST-POLYPECTOMY BLEEDING: META-ANALYSIS OF RANDOMIZED AND OBSERVATIONAL STUDIES. J Can Assoc Gastroenterol 2021. [DOI: 10.1093/jcag/gwab002.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Delayed post-polypectomy bleeding (DPPB) is a commonly described adverse event following polypectomy. Prophylactic clipping may prevent DPPB in some patient subgroups. We performed a meta-analysis to assess both the efficacy and real-world effectiveness of prophylactic clipping.
Aims
We performed a meta-analysis to assess both the efficacy and real-world effectiveness of prophylactic clipping.
Methods
We performed a database search through March 2020 for clinical trials or observational studies assessing prophylactic clipping and DPPB. Pooled risk ratios (RR) were calculated using random effects models. Subgroup, sensitivity and meta-regression analyses were performed to elucidate clinical or methodological factors associated with effects on outcomes.
Results
A total of 2,771 citations were screened, with 11 randomized controlled trials (RCTs) and 9 observational studies included, representing 24,670 colonoscopies. DPPB occurred in 2.0% of patients overall. The pooled RR of DPPB was 0.47 (95% CI 0.29 – 0.77) from RCTs enrolling only patients with polyps ≥ 20 mm. Remaining pooled RCT data did not demonstrate a benefit for clipping. The pooled RR of DPPB was 0.96 (95% CI 0.61 – 1.51) from observational studies including all polyp sizes. For patients with proximal polyps of any size, the RR was 0.73 (95% CI 0.33 - 1.62) from RCTs. Meta-regression confirmed that polyp size ≥ 20 mm significantly influenced the effect of clipping on DPPB.
Conclusions
Pooled evidence demonstrates a benefit when clipping polyps measuring ≥ 20 mm, especially in the proximal colon. In lower-risk subgroups, prophylactic clipping should not be performed.
Funding Agencies
None
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Affiliation(s)
- K Bishay
- University of Calgary, Calgary, AB, Canada
| | - Z Meng
- University of Calgary, Calgary, AB, Canada
| | - L Frehlich
- University of Calgary, Calgary, AB, Canada
| | - M T James
- University of Calgary, Calgary, AB, Canada
| | - G G Kaplan
- University of Calgary, Calgary, AB, Canada
| | - M J Bourke
- University of Sydney, Westmead, New South Wales, Australia
| | | | - S Heitman
- University of Calgary, Calgary, AB, Canada
| | - N Forbes
- University of Calgary, Calgary, AB, Canada
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30
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Zhu X, Chen M, Wang H, Guo Y, Chau MHK, Yan H, Cao Y, Kwok YKY, Chen J, Hui ASY, Zhang R, Meng Z, Zhu Y, Leung TY, Xiong L, Kong X, Choy KW. Clinical utility of expanded non-invasive prenatal screening and chromosomal microarray analysis in high-risk pregnancy. Ultrasound Obstet Gynecol 2021; 57:459-465. [PMID: 32198896 DOI: 10.1002/uog.22021] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [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: 01/09/2020] [Revised: 02/27/2020] [Accepted: 03/13/2020] [Indexed: 06/10/2023]
Abstract
OBJECTIVE To evaluate the utility of expanded non-invasive prenatal screening (NIPS), compared with chromosomal microarray analysis (CMA), for the detection of chromosomal abnormalities in high-risk pregnancies. METHODS This was a multicenter retrospective study of singleton pregnancies at high risk for chromosomal abnormality. Patients who underwent expanded NIPS and CMA sequentially during pregnancy from 2015 to 2019 were included in the analysis. Pregnancies with a positive result for sex chromosome aneuploidy were excluded as the full details could not be retrieved. The utility of expanded NIPS and CMA for detection of chromosomal abnormalities in this cohort was compared by assessing the concordance between the results. RESULTS Of the 774 included high-risk pregnancies, 550 (71.1%) had a positive NIPS result, while a positive CMA result was detected in 308 (39.8%) cases. The rate of full or partial concordance between NIPS and CMA was 82.2%, 59.6% and 25.0% for trisomies 21, 18 and 13, respectively. For rare aneuploidies and segmental imbalances, NIPS and CMA results were fully or partially concordant in 7.5% and 33.3% of cases, respectively. Copy-number variants < 5 Mb were detected more often by CMA, with an incidence of 7.9% (61/774) compared with 3.1% (24/774) by NIPS. A genetic aberration was detected by CMA in 1 in 17 (5.8%) high-risk pregnancies that had a negative or non-reportable NIPS result. CONCLUSION CMA allows for comprehensive detection of genome-wide chromosomal abnormalities in high-risk pregnancies. CMA should be offered instead of expanded NIPS for high-risk pregnancies. Copyright © 2020 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- X Zhu
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- Genetics and Prenatal Diagnosis Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - M Chen
- Department of Fetal Medicine and Prenatal Diagnosis, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - H Wang
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - Y Guo
- Genetics and Prenatal Diagnosis Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - M H K Chau
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - H Yan
- Department of Fetal Medicine and Prenatal Diagnosis, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Y Cao
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- The Chinese University of Hong Kong, Baylor College of Medicine Joint Center for Medical Genetics, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - Y K Y Kwok
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - J Chen
- Department of Fetal Medicine and Prenatal Diagnosis, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - A S Y Hui
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - R Zhang
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - Z Meng
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - Y Zhu
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - T Y Leung
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- The Chinese University of Hong Kong, Baylor College of Medicine Joint Center for Medical Genetics, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - L Xiong
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - X Kong
- Genetics and Prenatal Diagnosis Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - K W Choy
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- The Chinese University of Hong Kong, Baylor College of Medicine Joint Center for Medical Genetics, The Chinese University of Hong Kong, Hong Kong, SAR, China
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Shi Q, Meng Z, Tian XX, Wang YF, Wang WH. Identification and validation of a hub gene prognostic index for hepatocellular carcinoma. Future Oncol 2021; 17:2193-2208. [PMID: 33620260 DOI: 10.2217/fon-2020-1112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Aims: We aim to provide new insights into the mechanisms of hepatocellular carcinoma (HCC) and identify key genes as biomarkers for the prognosis of HCC. Materials & methods: Differentially expressed genes between HCC tissues and normal tissues were identified via the Gene Expression Omnibus tool. The top ten hub genes screened by the degree of the protein nodes in the protein-protein interaction network also showed significant associations with overall survival in HCC patients. Results: A prognostic model containing a five-gene signature was constructed to predict the prognosis of HCC via multivariate Cox regression analysis. Conclusion: This study identified a novel five-gene signature (CDK1, CCNB1, CCNB2, BUB1 and KIF11) as a significant independent prognostic factor.
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Affiliation(s)
- Q Shi
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Z Meng
- The People's Hospital of Henan Province, Zhengzhou, Henan, 450003, China
| | - X X Tian
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - Y F Wang
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
| | - W H Wang
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450052, China
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32
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Abstract
Abstract
Funding Acknowledgements
Type of funding sources: None.
Introduction
Aortic dilatation is most commonly associated with hypertension, bicuspid aortic valve and connective tissue diseases such as Marfan’s. It is a precursor to life threatening complications such as rupture or dissection of the aorta. The current ESC Guidelines recommend surgical intervention once the aortic diameter is >50 mm in patients with Marfan syndrome (Ic) and >55 mm in patients with a bicuspid or normal aortic valve morphology (IIb). There is currently a lack of literature on the prevalence of aortic dilatation in the general or even hospital population although there is historical data suggesting the incidence of thoracic aortic aneurysm to be 5.9 cases per 100,000.
Purpose
The aim is to investigate the prevalence of aortic dilatation by echocardiography in our hospital population which may help lay the foundation for population studies and identify prognostic factors which may determine the time of surgical intervention.
Methods
We carried out a retrospective survey using the digital echocardiogram archive and the electronic patient record system at our hospital. This survey covered the period between 1st October 2016 and 1st November 2018. For randomisation purposes, all transthoracic echocardiograms (TTE) performed on every Thursday during this period were included. All patients with an echocardiographic report of aortic root or ascending aorta dilatation were enrolled. Other information including echocardiographic dimensions along with demographics and past medical history was collected.
Results
During this 24-month period, we analysed a total of 3019 TTEs. 209 patients (6.9%) were reported to have aortic dilatation. 137 (66%) were male and the median age was 67 years. The mean height and weight were 169cm and 80kg, respectively. A bicuspid aortic valve was confirmed in 10 (4.8%) patients. 132 (63%) patients had a history of hypertension. On echocardiogram, 75 (36%) patients had septal hypertrophy and 26 (12.4%) had a dilated left ventricle.
Conclusion
Our findings are unique and for the first time, to our knowledge, we report the echocardiographic prevalence of aortic dilatation in the hospital population (6.9%). It is a staggering 40-fold increase when compared to the the prevalence of aortic aneurysm, the most likely end point of aortic dilatation. Based on our figures, there would be at least 400 patients with a dilated aorta in a year in our hospital alone. The prevalence of bicuspid aortic valve in our cohort (4.8%) was nearly three times higher than the general population where it is quoted as 1-2%. Our study also emphasised the established link between hypertension and aortic dilatation with an increased frequency in our cohort (63%) compared to the global prevalence (31%). Given the devastating sequelae of aortic dilatation and its increased prevalence in our patient population, it will be very important to keep these patients under routine surveillance and particularly those with hypertension.
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Affiliation(s)
- A Babu
- Homerton University Hospital, London, United Kingdom of Great Britain & Northern Ireland
| | - Z Meng
- Homerton University Hospital, London, United Kingdom of Great Britain & Northern Ireland
| | - O Oji
- Homerton University Hospital, London, United Kingdom of Great Britain & Northern Ireland
| | - TJ Bowker
- Homerton University Hospital, London, United Kingdom of Great Britain & Northern Ireland
| | - HB Xiao
- Homerton University Hospital, London, United Kingdom of Great Britain & Northern Ireland
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Xue HL, Liu ZK, Wang LL, Meng Z, Du JX, Li YL. Effect of general anesthesia combined with epidural anesthesia on cognitive function, stress response and NLR after radical mastectomy. J BIOL REG HOMEOS AG 2021; 34:2141-2146. [PMID: 33348976 DOI: 10.23812/20-306-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- H L Xue
- Medical Examination Center, Qingdao West Coast New Area Central Hospital, Qingdao, China
| | - Z K Liu
- Department of Pain Clinic, People's Hospital of Chiping, Chiping, China
| | - L L Wang
- Department of Critical Care Medicine, Qingdao Central Hospital, Qingdao University, Qingdao, China
| | - Z Meng
- Department of Ultrasound, The People's Hospital of Zhangqiu Area, Jinan, China
| | - J X Du
- Department of Neurology, The People's Hospital of Zhangqiu Area, Jinan, China
| | - Y L Li
- Medical Examination Center, Qingdao West Coast New Area Central Hospital, Qingdao, China
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Sun K, Xie Z, Li Y, Li Y, Song J, Meng Z. Glucocorticoids Regulate the Activation of Neutrophils and Inhibit the Formation of Pulmonary Embolism. Iran J Immunol 2021; 17:303-312. [PMID: 33382387 DOI: 10.22034/iji.2020.87740.1825] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND There is a close relationship between neutrophil extracellular traps (NETs) and venous thromboembolism (VTE). The regulatory role and mechanism of glucocorticoids (GC) in the formation of NETs are unclear. OBJECTIVE This study was conducted to assess the effect of GC on the formation of NETs. METHODS We constructed a mouse VTE model and treated them with GC to observe the effect of GC on the formation of NETs. In this regard, peripheral blood neutrophils were isolated, and the effect and mechanism of GC in neutrophil activation were analyzed. RESULTS Following LPS treatment, the colony-forming ability of neutrophils and their ability to form NETs increased significantly. The analysis of cytokine changes by RT-PCR combined with ELISA showed that the level of inflammatory factors in LPS-activated neutrophils increased significantly; however, these factors were significantly inhibited after GC treatment, and the inhibitory effect was positively correlated with the concentration of GC. LPS treatment was able to activate the production of ROS and lipid peroxides, however, this activation was significantly inhibited after GC treatment, and the inhibition increased with increasing doses of GC. Further examination of the changes in NF-κB signaling activation revealed that LPS-induced NF-κB signaling was significantly inhibited after GC treatment, and this inhibition increased with increasing the GC concentration. CONCLUSION Glucocorticoids were able to inhibit neutrophil activation and reduce the formation of NETs. The research results provided a new research direction for clinical antithrombotic treatment.
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Affiliation(s)
- Keyu Sun
- Emergency Department, Minghang Hospital, Fudan University, Shanghai, China, 201199
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35
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Zhang Y, Wen J, Alamgir M, Xie J, Jing H, Fang M, Wang J, Zhang M, Meng Z, Yang L, Tao J. Impact of the COVID-19 pandemic on inpatient dermatology: a multicentre study from Hubei, China. J Eur Acad Dermatol Venereol 2020; 35:e179-e181. [PMID: 33220091 PMCID: PMC7753773 DOI: 10.1111/jdv.17041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Y Zhang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - J Wen
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - M Alamgir
- Department of Dermatology, Rutgers-RWJMS, Somerset, NJ, USA
| | - J Xie
- Department of Dermatology, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, China
| | - H Jing
- Department of Dermatology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - M Fang
- Department of Dermatology, Xiaogan Central Hospital affiliated with Wuhan University of Science and Technology, Xiaogan, China
| | - J Wang
- Department of Dermatology, Xiangyang Hospital Affiliated with Hubei University of Chinese Medicine, Xiangyang, China
| | - M Zhang
- Department of Dermatology, Huanggang Central Hospital, Huanggang, China
| | - Z Meng
- Department of Dermatology, Renmin Hospital, Hubei University of Medicine, Shiyan, China
| | - L Yang
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
| | - J Tao
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Hubei Engineering Research Center for Skin Repair and Theranostics, Wuhan, China
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Lu J, Xu FQ, Guo JJ, Lin PL, Meng Z, Hu LG, Li J, Li D, Lu XH, An Y. Long noncoding RNA GAS5 attenuates cardiac fibroblast proliferation in atrial fibrillation via repressing ALK5. Eur Rev Med Pharmacol Sci 2020; 23:7605-7610. [PMID: 31539152 DOI: 10.26355/eurrev_201909_18883] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Recently, long noncoding RNAs (lncRNAs) have caught more attention for their role in the progression of many diseases. Among them, lncRNA GAS5 (Growth Inhibition Specificity 5) was studied in this research to identify how it affects the progression of atrial fibrillation (AF). PATIENTS AND METHODS In 40 patients with AF and 30 patients with sinus rhythm (SR), the GAS5 expression of the right atrial appendage (RAA) tissues was detected by the quantitative Real Time-Polymerase Chain Reaction (qRT-PCR). Moreover, the cell proliferation assay was conducted in AC16 cells transfected with GAS5 inhibitor and mimics, respectively. Furthermore, the qRT-PCR was performed to uncover the mechanism. RESULTS In the research, the expression of GAS5 in RAA tissues was decreased significantly in AF patients than that in SR ones. Moreover, overexpression of GAS5 inhibited cell growth in AC16 cells, while knockdown of GAS5 promoted cell growth in AC16 cells. In addition, further experiments revealed that ALK5 was a target of GAS5 and its expression in AF tissues negatively correlated to GAS5 expression. CONCLUSIONS These results indicate that GAS5 could inhibit cell proliferation of AF via suppressing ALK5, which may offer a new vision for interpreting the mechanism of AF development.
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Affiliation(s)
- J Lu
- Department of Cardiology, the Affiliated Hospital of Qingdao University, Qingdao, China.
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Ye T, Yang B, Wang C, Su C, Luo J, Yang X, Yu H, Yuan Z, Meng Z, Xia J. TIPE1 impairs stemness maintenance in colorectal cancer through directly targeting β-catenin. Carcinogenesis 2020; 41:25-35. [PMID: 31111874 DOI: 10.1093/carcin/bgz079] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 04/16/2019] [Accepted: 04/28/2019] [Indexed: 12/30/2022] Open
Abstract
TIPE1 (tumor necrosis factor-α-induced protein 8-like 1) contributes to cell death in diverse cancers. However, the expression and biological functions of TIPE1 in colon cancer remain unclear. In the present study, we report that TIPE1 was downregulated in colon cancer tissues and positively correlates with prognosis of colon cancer patients. TIPE1 overexpression significantly inhibits colon cancer cell growth both in vitro and in vivo through impairing stemness, accompanied with downregulation of the stemness-related markers, ALDH, CD133, CD44 and SOX-9. Mechanically, TIPE1 directly targets β-catenin and promotes β-catenin degradation in a protease-dependent manner, and Wnt/β-catenin signaling plays a crucial role during TIPE1-mediated stemness inhibition in colon cancer. These findings reveal that TIPE1 exerts anti-tumor effects in colon cancer and suggest that TIPE1 would be a therapeutic target for cancers.
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Affiliation(s)
- Tao Ye
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Biwei Yang
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chen Wang
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Chang Su
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Jing Luo
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Xiaodi Yang
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Hongmei Yu
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Zhen Yuan
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Zhefeng Meng
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Jinglin Xia
- Minhang Branch, Zhongshan Hospital, Fudan University; Institute of Fudan-Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China.,Liver Cancer Institute, Zhongshan Hospital, Fudan University, Shanghai, China
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38
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Lin P, Zhu S, Huang Y, Li L, Tao J, Lei T, Song J, Liu D, Chen L, Shi Y, Jiang S, Liu Q, Xie J, Chen H, Duan Y, Xia Y, Zhou Y, Mei Y, Zhou X, Wu J, Fang M, Meng Z, Li H. Adverse skin reactions among healthcare workers during the coronavirus disease 2019 outbreak: a survey in Wuhan and its surrounding regions. Br J Dermatol 2020; 183:190-192. [PMID: 32255197 PMCID: PMC7262186 DOI: 10.1111/bjd.19089] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- P Lin
- Department of Dermatology and Venerology, Peking University First Hospital, Beijing, China.,Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Beijing, China.,National Clinical Research Center for Skin and Immune Diseases, Beijing, China
| | - S Zhu
- Department of Biostatistics, Peking University First Hospital, Beijing, China
| | - Y Huang
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - L Li
- Department of Infection Management, Peking University First Hospital, Beijing, China
| | - J Tao
- Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - T Lei
- Department of Dermatology and Venerology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - J Song
- Department of Dermatology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - D Liu
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - L Chen
- Department of Dermatology, Wuhan First Hospital, Wuhan, Hubei, China
| | - Y Shi
- Department of Dermatology and Venerology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - S Jiang
- Department of Dermatology and Venerology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Q Liu
- Department of Dermatology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - J Xie
- Department of Dermatology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - H Chen
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Y Duan
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Y Xia
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Y Zhou
- Department of Dermatology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Y Mei
- Department of Dermatology, Wuhan First Hospital, Wuhan, Hubei, China
| | - X Zhou
- Department of Dermatology, Wuhan First Hospital, Wuhan, Hubei, China
| | - J Wu
- Department of Dermatology, Wuhan First Hospital, Wuhan, Hubei, China
| | - M Fang
- Department of Dermatology, Xiaogan Central Hospital, Xiaogan, Hubei, China
| | - Z Meng
- Department of Dermatology, Renmin Hospital Hubei University of Medicine, Shiyan, Hubei, China
| | - H Li
- Department of Dermatology and Venerology, Peking University First Hospital, Beijing, China.,Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Beijing, China.,National Clinical Research Center for Skin and Immune Diseases, Beijing, China
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Feng L, Qi Q, Wang P, Chen H, Chen Z, Meng Z, Liu L. Serum level of CCL2 predicts outcome of patients with pancreatic cancer. Acta Gastroenterol Belg 2020; 83:295-299. [PMID: 32603049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
BACKGROUND Pancreatic cancer is one of the most deadly cancers worldwide with a five-year survival rate of less than 5%. Chronic pancreatitis showed increased risk to develop pancreatic cancer, in which chronic inflammation of the pancreas may play a critical role. Cytokines play an indispensable role in inflammatory reaction and tumorigenesis. The purpose of this study was to determine whether cytokines were associated with survival and poor prognosis of pancreatic cancer. METHODS In this study, we examined levels of some important cytokines in the serum of 68 patients with pancreatic cancer, including CCL2, CCL17, CXCL-1, CXCL-5, G-CSF, GM-CSF, TGF-β and IFN-γ. RESULTS We found that high level of serum CCL2 was strongly associated with poor survival and prognosis, but no significant association with other clinicopathological features, including gender, age, location and TNM staging. For other cytokines, no significant correlation with poor survival and prognosis was found. CONCLUSION Our results suggest that serum level of CCL2 may serve as a potential marker for predicting the outcome of patients with pancreatic cancer.
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Affiliation(s)
- L Feng
- Departments of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Shanghai 200032, China
| | - Q Qi
- Departments of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Shanghai 200032, China
| | - P Wang
- Departments of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Shanghai 200032, China
| | - H Chen
- Departments of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Shanghai 200032, China
| | - Z Chen
- Departments of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Shanghai 200032, China
| | - Z Meng
- Departments of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Shanghai 200032, China
| | - L Liu
- Departments of Integrative Oncology, Fudan University Shanghai Cancer Center, Shanghai 200032, China
- Department of Oncology, Shanghai Medical College, Shanghai 200032, China
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Meng Z, Lee A, Liu EY, Dhillon AS, Wong C, Sultanian R, Zepeda-Gomez S, van Zanten S, Kohansal AR. A105 ENDOSCOPIC MUCOSAL RESECTION (EMR) OF LARGE SESSILE POLYPS: DATA FROM A MULTI-CENTER HEALTH ZONE. J Can Assoc Gastroenterol 2020. [DOI: 10.1093/jcag/gwz047.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
EMR is the standard of care for management of large non-invasive colonic polyps. Current guidelines recommend repeat colonoscopy within 6 months after EMR of large sessile polyps to assess the EMR site for residual adenoma. We reviewed the outcomes and compliance to these guidelines in patients at the University of Alberta Hospital (UAH) and surrounding 7 hospitals.
Aims
The primary outcome was the proportion of patients who received a follow up colonoscopy within 180 days.
Methods
Retrospective data was collected on consecutive patients who had a large polyp resection (size >2cm as documented per endoscopy report) from January 1st, 2014 to January 1st, 2016. Information was collected on patients from UAH as well as seven surrounding hospitals within the Edmonton geographic zone. Data was extracted from electronic health records.
Results
Of 258 patients identified patients, 250 had complete data. Of these 250 patients, 151 (60.4 %) were male and median age was 67 (IQR 60 - 72). Eighty-two cases (32.8%) were performed at UAH, with 168 cases (67.2%) at other hospitals. Polyps were removed by gastroenterologists (n=215, 86.0%), surgeons (n=26, 10.4%), and others (n=9, 3.6%).
Fifty-two patients (20.8%) had no formal follow up on electronic health records, while 198 patients (79.2%) had a repeat colonoscopy. 57 patients (29.1 %) had a repeat colonoscopy within 180 days. The median follow-up time was 224 days (IQR 172–365).
Of the 82 cases performed at UAH, 74 (90.2%) had follow up. Out of the 168 cases at the other hospitals, 124 (73.8%) had follow up (p<0.01). Sixteen (21.9%) and 41 (33.3%) cases were followed up within 180days at UAH and other hospitals, respectively (p=0.09).
Of the 74 cases with follow up at UAH, 12 (15.7%) had residual tissue confirmed by pathology. Of the 124 cases at other hospitals, 26 (21.0%) had follow up (p=0.41). Median polyp size was 2.5cm (IQR 2.0cm - 3.5cm)
Conclusions
Only 29.1% of patients with large sessile polyp removal in the Edmonton zone had a repeat colonoscopy within 180 days. Patients with large polypectomy performed at the academic hospital were more likely to be followed up compared to non-academic hospitals. Further validation studies with larger data sets are needed. These findings highlight the need for standardized pathways to appropriately manage and survey large polyps post-EMR.
Funding Agencies
None
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Affiliation(s)
- Z Meng
- University of Alberta, Edmonton, AB, Canada
| | - A Lee
- University of Alberta, Edmonton, AB, Canada
| | - E Y Liu
- College of Medicine, University of Alberta, Edmonton, AB, Canada
| | - A S Dhillon
- Gastroenterology, University of Alberta, Edmonton, AB, Canada
| | - C Wong
- 10240 Kingsway Ave., Edmonton, AB, Canada
| | - R Sultanian
- Division of Gastroenterology, University of Alberta, Edmonton, AB, Canada
| | - S Zepeda-Gomez
- Gastroenterology, University of Alberta, Edmonton, AB, Canada
| | | | - A R Kohansal
- Gastroenterology, University of Alberta, Edmonton, AB, Canada
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Dong N, Yu B, Meng Z. Structured Shamanskii methods for Chandrasekhar equation arising from radiation. Proc Estonian Acad Sci 2020. [DOI: 10.3176/proc.2020.2.01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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42
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Meng Z, Dong N, Yu B. A dynamically parameterized inversion-free iteration for a system of nonlinear matrix equation. Proceedings of the Estonian Academy of Sciences 2020. [DOI: 10.3176/proc.2020.4.04] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Abstract
Hypoxia training can improve endurance performance. However, the specific benefits mechanism of hypoxia training is controversial, and there are just a few studies on the peripheral adaptation to hypoxia training. The main objective of this study was to observe the effects of hypoxia training on cutaneous blood flow (CBF), hypoxia-inducible factor (HIF), nitric oxide (NO), and vascular endothelial growth factor (VEGF). Twenty rowers were divided into two groups for four weeks of training, either hypoxia training (Living High, Exercise High and Training Low, HHL) or normoxia training (NOM). We tested cutaneous microcirculation by laser Doppler flowmeter and blood serum parameters by ELISA. HHL group improved the VO(2peak) and power at blood lactic acid of 4 mmol/l (P(4)) significantly. The CBF and the concentration of moving blood cells (CMBC) in the forearm of individuals in the HHL group increased significantly at the first week. The HIF level of the individuals in the HHL group increased at the fourth week. The NO of HHL group increased significantly at the fourth week. In collusion, four weeks of HHL training resulted in increased forearm cutaneous blood flow and transcutaneous oxygen pressure. HHL increases rowers' NO and VEGF, which may be the mechanism of increased blood flow. The increased of CBF seems to be related with improving performance.
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Affiliation(s)
- Z Meng
- School of Kinesiology, Shanghai University of Sport, Shanghai, China, School of Physical Education and Sport Training, Shanghai University of Sport, Shanghai, China.
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44
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Meng Z, Zhang Z, Fan Q, Li Y. Altered Fractional Amplitude of Low Frequency Fluctuations in Unmedicated Female Patients with Obsessive-Compulsive Disorder. Annu Int Conf IEEE Eng Med Biol Soc 2019; 2018:1144-1147. [PMID: 30440592 DOI: 10.1109/embc.2018.8512490] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A number of resting-state functional magnetic resonance imaging (rs-fMRI) studies indicate dysfunction of large-scale brain networks underlying the pathophysiology of obsessive-compulsive disorder (OCD). Recent epidemiology studies show that the prevalence of female OCD patients is higher than that of males. However, the underlying neurobiology mechanism for female OCD patients remains not fully understood. In this study, we are aimed to explore the spontaneous brain neuronal activity in unmedicated female OCD patients using rs-fMRI methodology and fractional amplitude of low frequency fluctuations (fALFF) analysis. Additionally, we examine the relationship between fALFF changes and female OCD symptomatology. Increased fALFF values in right brainstem, right rectus, left middle temporal gyrus and right angular were found in OCD females. And decreased fALFF values in right cerebellum, left middle occipital gyrus, left insula, postcentral gyrus and left precentral gyrus were shown in female OCD patients. Moreover, the fALFF values in left precentral gyrus and left middle temporal gyrus were positively associated with patients YBOCS-Obsessions scores and HAMD scores, respectively. Our findings bring additional insights in understanding the pathophysiology of female OCD patients.
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45
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Meng Z, Zhang E, Wu Y. P2747Identification of microRNAs in aortic valve calcification patients with bicuspid aortic valve. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz748.1064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
An individual with bicuspid aortic valve (BAV) has a higher risk of developing aortic valve calcification (AVC) than people with tricuspid aortic valve. AVC in patients with BAV and TAV is known to be distinct in molecular level. But the epigenetic mechanism of AVC in patients with BAV is still undefined.
Purpose
To describe the role of microRNA (miRNA) in the AVC process of patients with BAV
Methods
We collected aortic valve samples of 5 patients with BAV, of which 2 have AVC and 3 of which have not. We performed RNA-seq technology on an Illumina Hiseq 2500/2000 platform to characterized all feathers of miRNAs in BAV. We used miRBase20.0 to look for known miRNA. Gene expression levels between groups of valves were compared with degeR to find out differential miRNAs. Then we predicated the target gene of miRNA by targetscan database. We performed the GO (Gene Ontology) and KEGG (Kyoto Encyclopedia of Genes and Genomes) enrichment analysis for the target gene candidates of differential miRNAs to predict the potential function of AVC specific miRNAs. A value of P<0.05 (2-sided) was considered to be statistically significant.
Results
Compared with noncalcified aortic valves. We found that 33 miRNAs were upregulated and 29 are significantly downregulated in calcified aortic valves. The analysis showed the total of 62 miRNAs to be significantly altered as shown in the heat map in Figure1. the target gene candidates of differential miRNAs were enriched in numerous Go terms including the following: binding, protein binding, ion binding, catalytic activity, localization. The significantly (P<0.05) affected pathways identified by KEGG pathway analysis are presented in table 1.
Table 1 Pathway term Gene number P valvue Lysosome 70 0.001945 Axon guidance 66 0.013212 Glycerophospholipid metabolism 50 0.016075 Calcium signaling pathway 84 0.037645 Synaptic vesicle cycle 34 0.043983 Pyrimidine metabolism 52 0.04501 Homologous recombination 18 0.0453 Other glycan degradation 13 0.048068 Pathway analysis based on the KEGG database.
Figure 1
Conclusion
The present study proved that miRNAs play an important role in AVC of patients with BAV. The result may improve understanding of the special molecular alterations in AVC with BAV and may provide potential targets for future clinical applications.
Acknowledgement/Funding
the National Natural Science Foundation of China (No.81370435; 91339103; 81700405)
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Affiliation(s)
- Z Meng
- Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Coronary Intervention Center, Beijing, China
| | - E Zhang
- Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Coronary Intervention Center, Beijing, China
| | - Y Wu
- Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Coronary Intervention Center, Beijing, China
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46
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Meng Z, Meng JIA, Wang X. P4708Ttransradial approach for bronchial artery embolization. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz745.1089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Bronchial artery embolization (BAE) is considered the most effective nonsurgical emergent treatment for massive hemoptysis, which holds 50%-100% mortality rate if treated conservatively. The transradial approach (TRA) is becoming more popular than the transfemoral approach (TFA) in percutaneous coronary intervention.
Purpose
To compare systematically transradial approach and the transfemoral approach in bronchial artery embolization.
Methods
We had analyzed the clinical, angiographic and technical results of BAE performed between 2014 and 2017. In the present study 58 patients with massive hemoptysis that underwent BAE via the TRA (n=29) or the TFA (n=29) were analyzed. Clinical factors and outcomes in these two groups were compared.
Results
The prevalence of artery vasospasm significantly higher (P<0.05) and the puncture time was significantly longer (P<0.05) in patients who underwent BAE via the TRA rather than via the TFA. However, the complication rate was significantly lower (P<0.05) and the time bedridden (P<0.05) and artery compression time (P<0.05) were significantly shorter via the TRA than via the TFA.
Conclusion
These results suggest that BAE via the TRA was associated with a lower complication rate, and shorter artery compression time and bedridden time than BAE via the TFA. Transradial bronchial artery embolization is technically feasible and safe procedure.
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Affiliation(s)
- Z Meng
- Hebei Chest Hospital, Department of Cardiovascular Surgery, Shijiazhuang, China
| | - J I A Meng
- Hebei Chest Hospital, Department of Cardiovascular Surgery, Shijiazhuang, China
| | - X Wang
- Hebei Chest Hospital, Shijiazhuang, China
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47
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Wang X, Liu Y, Meng Z, Wu Y, Wang S, Jin G, Qin Y, Wang F, Wang J, Wang L, Bai J, Shi X, Wen Z, Jia X, Fu X, Wang X, Qin Q, Gao Y, Guo W, Lu S. Impact of plasma EGFR mutation fractions on response to first generation tyrosine-kinase inhibitor in treatment of naïve non-small cell lung cancer patients. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz259.018] [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: 11/14/2022] Open
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48
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Zhou C, Zhao Y, Yin Y, Hu Z, Atyah M, Chen W, Meng Z, Mao H, Zhou Q, Tang W, Wang P, Li Z, Weng J, Bruns C, Popp M, Popp F, Dong Q, Ren N. A robust 6-mRNA signature for prognosis prediction of pancreatic ductal adenocarcinoma. Int J Biol Sci 2019; 15:2282-2295. [PMID: 31595147 PMCID: PMC6775308 DOI: 10.7150/ijbs.32899] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Accepted: 08/03/2019] [Indexed: 01/04/2023] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is one of the most fatal malignancies worldwide. PDAC prognostic and diagnostic biomarkers are still being explored. The aim of this study is to establish a robust molecular signature that can improve the ability to predict PDAC prognosis. 155 overlapping differentially expressed genes between tumor and non-tumor tissues from three Gene Expression Omnibus (GEO) datasets were explored. A least absolute shrinkage and selection operator method (LASSO) Cox regression model was employed for selecting prognostic genes. We developed a 6-mRNA signature that can distinguish high PDAC risk patients from low risk patients with significant differences in overall survival (OS). We further validated this signature prognostic value in three independent cohorts (GEO batch, P < 0.0001; ICGC, P = 0.0036; Fudan, P = 0.029). Furthermore, we found that our signature remained significant in patients with different histologic grade, TNM stage, locations of tumor entity, age and gender. Multivariate cox regression analysis showed that 6-mRNA signature can be an independent prognostic marker in each of the cohorts. Receiver operating characteristic curve (ROC) analysis also showed that our signature possessed a better predictive role of PDAC prognosis. Moreover, the gene set enrichment analysis (GSEA) analysis showed that several tumorigenesis and metastasis related pathways were indeed associated with higher scores of risk. In conclusion, identifying the 6-mRNA signature could provide a valuable classification method to evaluate clinical prognosis and facilitate personalized treatment for PDAC patients. New therapeutic targets may be developed upon the functional analysis of the classifier genes and their related pathways.
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Affiliation(s)
- Chenhao Zhou
- Department of Liver Surgery, Liver Cancer Institute, Zhongshan Hospital, Fudan University and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, China
| | - Yue Zhao
- Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, Cologne, Germany.,Department of Surgery, Otto-von-Guericke University, Magdeburg, Germany
| | - Yirui Yin
- Department of Liver Surgery, Liver Cancer Institute, Zhongshan Hospital, Fudan University and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, China
| | - Zhiqiu Hu
- Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Manar Atyah
- Department of Liver Surgery, Liver Cancer Institute, Zhongshan Hospital, Fudan University and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, China
| | - Wanyong Chen
- Department of Liver Surgery, Liver Cancer Institute, Zhongshan Hospital, Fudan University and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, China.,Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Zhefeng Meng
- Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Huarong Mao
- Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Qiang Zhou
- Department of Liver Surgery, Liver Cancer Institute, Zhongshan Hospital, Fudan University and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, China
| | - Weiguo Tang
- Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Pengcheng Wang
- Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Zhanming Li
- Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Jialei Weng
- Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
| | - Christiane Bruns
- Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, Cologne, Germany
| | - Marie Popp
- Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, Cologne, Germany
| | - Felix Popp
- Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, Cologne, Germany
| | - Qiongzhu Dong
- Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China.,Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Ning Ren
- Department of Liver Surgery, Liver Cancer Institute, Zhongshan Hospital, Fudan University and Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Shanghai, China.,Institute of Fudan Minhang Academic Health System, Minhang Hospital, Fudan University, Shanghai, China
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Zuo CT, Yin DC, Fan HX, Lin M, Meng Z, Xin GW, Zhang YC, Cheng L. Study on diagnostic value of P1NP and β-CTX in bone metastasis of patients with breast cancer and the correlation between them. Eur Rev Med Pharmacol Sci 2019; 23:5277-5284. [PMID: 31298379 DOI: 10.26355/eurrev_201906_18194] [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] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE This study aimed to investigate the diagnostic value of the total amino-terminal propeptide of type 1 procollagen (P1NP) and C-terminal telopeptide of β-I collagen (β-CTX) in bone metastasis of patients with breast cancer and the correlation between them. PATIENTS AND METHODS The medical records of 73 patients were retrospectively analyzed. These patients with breast cancer were treated in Oncology, General Surgery, and Orthopedic Departments in The Third People's Hospital of Qingdao from March 2014 to April 2017, including 40 patients with bone metastasis (bone metastasis group) and 33 patients with no bone metastasis (non-bone metastasis group). Other 40 healthy people who received physical examination in the same period were selected as the control group. The expression of P1NP and β-CTX in plasma were detected by the Enzyme-linked immunosorbent assay, and the correlation between them was analyzed. RESULTS There were significant differences in P1NP and β-CTX concentrations among the three groups (p<0.05). The concentrations of P1NP in the control group and the non-bone metastasis group were significantly lower than that in the bone metastasis group (p<0.05); the concentrations of β-CTX in the control group and the non-bone metastasis group were significantly lower than that in the bone metastasis group (p<0.05). P1NP: AUC=0.852, sensitivity: 72.5%, specificity: 93.9%, CUT OFF=66.44. β-CTX: AUC=0.883, sensitivity: 85.0%, specificity: 84.8%, CUT OFF=69.8. Joint detection: AUC=0.952, sensitivity: 84.8%, specificity: 99.5%, CUT OFF=99.5. The results of the concentrations of P1NP and β-CTX in the bone metastasis group detected by the Pearson correlation analysis showed that their concentrations were positively correlated in the bone metastasis group (r=0.764, p<0.05). CONCLUSIONS P1NP and β-CTX in plasma have a high diagnostic value for bone metastasis of breast cancer and have important significance in the diagnosis of bone metastasis and disease monitoring.
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Affiliation(s)
- C-T Zuo
- Department of General Surgery, The Third People's Hospital of Qingdao, Qingdao, P.R. China.
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50
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Meng Z, Davyduke T, Janz L, Ma M. A197 USING FIB4 INDEX TO TRIAGE ELEVATED LIVER ENZYMES IN ASYMPTOMATIC PATIENTS WITHOUT VIRAL HEPATITIS. J Can Assoc Gastroenterol 2019. [DOI: 10.1093/jcag/gwz006.196] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Z Meng
- University of Alberta, Edmonton, AB, Canada
| | - T Davyduke
- University of Alberta, Edmonton, AB, Canada
| | - L Janz
- University of Alberta, Edmonton, AB, Canada
| | - M Ma
- University of Alberta, Edmonton, AB, Canada
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