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Chen LW, Jin SH, Lu Q, Zhou JG, Liu JG, Guan XY, Xia HB, He H. Identification of immunological bioprocesses involved in peri-implantitis using weighted gene co-expression network analysis. J Periodontol 2023; 94:1078-1089. [PMID: 37032448 DOI: 10.1002/jper.22-0405] [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: 07/10/2022] [Revised: 01/04/2023] [Accepted: 03/18/2023] [Indexed: 04/11/2023]
Abstract
BACKGROUND Peri-implantitis is an irreversible infectious disease that occurs with high incidence. Exploring the immune responses of peri-implantitis is key to developing targeted treatment strategies. However, there is limited research on the immune response of peri-implantitis. METHODS This study performed a weighted gene co-expression network analysis to identify the peri-implantitis related gene network and conducted a functional enrichment analysis of the gene network. Thereafter, the candidate hub genes were selected by constructing a protein-protein interaction network and drawing an upset plot. The hub genes were identified through their significant associations with disease condition and validated using quantitative reverse transcription-polymerase chain reaction (qRT-PCR) analysis. Using the gene set variation analysis, the hub genes were further used to explore infiltrating immunocytes and immune factors in peri-implantitis. Finally, the immunocytes and immune factor related hub genes were intersected to obtain the therapeutic target, which was validated using histological staining. RESULTS The peri-implantitis related gene network was enriched in innate and adaptive immune response. Subsequently, interleukin (IL)1B, IL10, ITGAM, ITGB1, STAT3, and TLR4 were identified as hub genes. Plasmacytoid dendritic cells, macrophages, myeloid-derived suppressor cells, natural killer T cells, and immature B cells were positively and significantly related to the hub genes IL1B, TLR4, ITGAM, and ITGB1 (correlation coefficient > 0.80). While immune factors CXCL10, IL6, and CXCL12 and hub genes IL10 and IL1B held the highest degree in the immune factors network. IL1B may be a promising therapeutic target. CONCLUSION This study provides new insights into the hub genes, immunocytes, and immune factors underlying peri-implantitis immunological bioprocess.
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Affiliation(s)
- Liang-Wen Chen
- Hubei-MOST KLOS & KLOBM, Department of Oral Implantology, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Su-Han Jin
- Department of Orthodontics, Hubei-MOST KLOS & KLOBM, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Department of Orthodontics, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, China
| | - Qian Lu
- Hubei-MOST KLOS & KLOBM, Department of Oral Implantology, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Jian-Guo Zhou
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jian-Guo Liu
- School of Stomatology, Special Key Laboratory of Oral Diseases Research, Higher Education Institution, Zunyi Medical University, Zunyi, China
| | - Xiao-Yan Guan
- Department of Orthodontics, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, China
| | - Hai-Bin Xia
- Hubei-MOST KLOS & KLOBM, Department of Oral Implantology, School and Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Hong He
- Department of Orthodontics, Hubei-MOST KLOS & KLOBM, School & Hospital of Stomatology, Wuhan University, Wuhan, China
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Ke HX, Zhang JP, Jin SH, Zhou L, Chai SF, Ma L. [Relationship between cadmium exposure and pulmonary function level and chronic obstructive pulmonary disease]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2023; 41:241-246. [PMID: 37248176 DOI: 10.3760/cma.j.cn121094-20220622-00336] [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] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Objective: To analyze the levels and distribution characteristics of blood cadmium and urinary cadmium in American adults, to analyze the relationship between blood cadmium and urinary cadmium and pulmonary function dose response, and to explore the effect of this index on the risk of chronic obstructive pulmonary disease. Methods: In March 2022, 3785 patients from 2007 to 2012 in NHANES database were selected as the subjects. Collect demography data such as gender and age, and test data such as lung function, blood cadmium concentration and Urine cadimium concentration. The relationship between blood and urine cadmium levels and lung function and pulmonary function and chronic obstructive pulmonary diease (COPD) was analyzed by Mann-Whitney U test or Kruskal-Wallis H test, multivariate linear regression and restricted cubic spline method. Results: The geometric mean of blood cadmium and urine cadmium in American adults was 0.37 g/L and 0.28 g/L, FEV(1) and FEV(1)/FVC among different cadmium exposure groups was statistically significant, and there was a negative linear dose-response relationship between serum Cd and urine Cd concentrations and FEV(1)/FVC levels (P(overall)<0.001, P(non-linear)=0.152; P(overall)<0.001, P(non-linear)=0.926). Compared with the lowest quartile concentration (Q1), the highest quartile blood cadmium concentration (Q4) (OR=1.934, P(trend)=0.000) and urinary cadmium concentration (OR=1.683, P(trend)=0.000) may increased the risk of chronic obstructive pulmonary disease. Conclusion: There is a negative correlation between blood cadmium, urinary cadmium levels and lung function in American adults, and cadmium may increase the risk of chronic obstructive pulmonary disease.
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Affiliation(s)
- H X Ke
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - J P Zhang
- Gansu Provincial Hispital of TCM, Lanzhou 730050, China
| | - S H Jin
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - L Zhou
- Neonotal Pediatrics, MCH Hospital of Lanzhou, Lanzhou 730030, China
| | - S F Chai
- Gansu Provincial Hispital of TCM, Lanzhou 730050, China
| | - L Ma
- School of Public Health, Lanzhou University, Lanzhou 730000, China
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Zhou JG, Liang R, Wang HT, Jin SH, Hu W, Frey B, Fietkau R, Hecht M, Ma H, Gaipl US. Identification and characterization of circular RNAs as novel putative biomarkers to predict anti-PD-1 monotherapy response in metastatic melanoma patients - Knowledge from two independent international studies. Neoplasia 2023; 37:100877. [PMID: 36696838 PMCID: PMC9879779 DOI: 10.1016/j.neo.2023.100877] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/29/2022] [Accepted: 01/16/2023] [Indexed: 01/25/2023]
Abstract
Melanoma is the most aggressive skin malignancy with high morbidity. Anti-programmed cell death protein 1 (PD-1) monotherapy has been applied in metastatic melanoma. However, still most of the patients do not respond to anti-PD-1 and the availability of the present approved biomarkers therefore is limited. Here we combined the transcriptomic and clinical data of 163 advanced melanoma patients receiving anti-PD-1 from NIH Melanoma Genome Sequencing Project (phs000452, 122 patients) as the training and internal validation cohort, and Melanoma Institute Australia cohort (PRJEB23709, 41 patients) as the external validation cohort, respectively. Circular RNAs (circRNAs) are an evolutionarily conserved novel class of noncoding endogenous RNAs (ncRNAs) found in the eukaryotic transcriptome and were used based on RNAseq data for our analyses. 74,243 circular RNAs (circRNAs) were identified with NCLscan and CIRCexplorer2. Thereof, 70 circRNAs significantly associated with progression-free survival and overall survival. Further, a prognostic circRNAs signature consisting of HSA_CIRCpedia_1497, HSA_CIRCpedia_12559, HSA_CIRCpedia_43640, HSA_CIRCpedia_43070, and HSA_CIRCpedia_21660 could be determined with LASSO regression. This signature was a prognostic factor of overall survival and progression-free survival among the analyzed advanced melanoma patients. The concordance indexes (C-index of OStraining: 0.61, C-index of PFStraining: 0.68) also confirmed its credibility and accuracy. First enrichment analysis indicated that immune response and pathways related to tumor immune microenvironment were enriched. In conclusion, we succeeded to construct and validate novel prognostic circRNAs signature for advanced melanoma patients treated with anti-PD-1 immunotherapy.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, The second affiliated Hospital of Zunyi Medical University, Zunyi, China,Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany,Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany,Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Rui Liang
- Biomedical Engineering College of Bioengineering, Chongqing University, Chongqing, China
| | - Hai-Tao Wang
- Thoracic Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Su-Han Jin
- Department of Orthodontic, School of Stomatology, Zunyi Medical University, Zunyi, China
| | - Wei Hu
- Department of Oncology, The second affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Benjamin Frey
- Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany,Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany,Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Rainer Fietkau
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany,Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Markus Hecht
- Department of Radiotherapy and Radiation Oncology, Saarland University Medical Center, Homburg, Germany
| | - Hu Ma
- Department of Oncology, The second affiliated Hospital of Zunyi Medical University, Zunyi, China.
| | - Udo S. Gaipl
- Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany,Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany,Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany,Corresponding author at: Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstraße 27, 91054 Erlangen, Germany.
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Zhou JG, Zeng Y, Wang H, Jin SH, Wang YJ, He S, Frey B, Fietkau R, Hecht M, Ma H, Zhang W, Gaipl US. Identification of an endogenous retroviral signature to predict anti-PD1 response in advanced clear cell renal cell carcinoma: an integrated analysis of three clinical trials. Ther Adv Med Oncol 2022; 14:17588359221126154. [PMID: 37614979 PMCID: PMC10442641 DOI: 10.1177/17588359221126154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 08/26/2022] [Indexed: 08/25/2023] Open
Abstract
Background Endogenous retrovirus (ERV) elements are genomic footprints of ancestral retroviral infections within the human genome. Previous studies have demonstrated that dysregulated ERV transcription level is associated with immune cell infiltration in cancers, but the association between ERV expression and programmed cell death protein 1 (PD-1) blockade response is currently unraveled for solid cancers, such as advanced clear cell renal cell carcinoma (ccRCC). Methods ERV mRNA profiles were obtained from three clinical trials of ccRCC where the patients were treated with anti-PD-1 (CM-009, CM-010, CM-025, and TCGA-KIRC data). Patients treated with nivolumab were divided into training and test cohort, while the TCGA-KIRC cohort was used as an external validation. Univariate Cox regression analysis and least absolute shrinkage and selection operator regression were used to establish the signature. Immune cell infiltration analysis and gene set enrichment analysis were performed to explore potential biological mechanisms. Results An ERV signature was established based on nine ERV expression patterns. In the training cohort, the median overall survival in the low- and high-risk group was 45.2 and 19.6 months [hazard ratio (HR) = 0.49, 0.32-0.75, p < 0.001], respectively. The results were confirmed in the test (HR = 0.41, 0.20-0.83, p = 0.013), and in the TCGA-KIRC cohort (HR = 0.55, 0.34-0.90, p = 0.017). Moreover, in the CM-025 cohort, the low-risk group that received nivolumab had a more favorable survival compared with those that received the mTOR inhibitor everolimus, while no significant differences were observed in the high-risk group. CD8+ T cells were enriched in the low-risk group, while immune suppressive pathways were suppressed. Conclusion The newly identified ERV signature is not only a prognostic, but also a predictive biomarker for advanced ccRCC patients who received anti-PD-1 therapy, which can guide personalized treatment in cancer patients in the future.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, The second affiliated Hospital of Zunyi Medical University, Zunyi, China Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, GermanyDepartment of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Yu Zeng
- Department of Neurosurgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Haitao Wang
- Thoracic Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
| | - Su-Han Jin
- Department of Orthodontic, School of Stomatology, Zunyi Medical University, Zunyi, China
| | - Yun-Jia Wang
- Department of Oncology, The second affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Sisi He
- Department of Oncology, The second affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Benjamin Frey
- Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, GermanyDepartment of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Rainer Fietkau
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Markus Hecht
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Hu Ma
- Director of Department of Oncology, Vice President of the second affiliated Hospital of Zunyi Medical University, Intersection of Xinlong And Xinpu Avenue, Zunyi, 563000, China
| | - Wenchuan Zhang
- Director of Department of Neurosurgery, Department of Neurosurgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China
| | - Udo S. Gaipl
- Head of Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Universitätsstraße 27, Erlangen, 91054, Germany.Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany. Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
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Zhou JG, Wong AHH, Wang H, Jin SH, Tan F, Chen YZ, He SS, Shen G, Frey B, Fietkau R, Hecht M, Carr SR, Wang R, Shen B, Schrump DS, Ma H, Gaipl US. Definition of a new blood cell count score for early survival prediction for non-small cell lung cancer patients treated with atezolizumab: Integrated analysis of four multicenter clinical trials. Front Immunol 2022; 13:961926. [PMID: 36119066 PMCID: PMC9478919 DOI: 10.3389/fimmu.2022.961926] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Accepted: 08/15/2022] [Indexed: 12/04/2022] Open
Abstract
Importance Blood cell count test (BCT) is a robust method that provides direct quantification of various types of immune cells to reveal the immune landscape to predict atezolizumab treatment outcomes for clinicians to decide the next phase of treatment. Objective This study aims to define a new BCTscore model to predict atezolizumab treatment benefits in non-small lung cell cancer (NSCLC) patients. Design, Setting, and Participants This study analyzed four international, multicenter clinical trials (OAK, BIRCH, POPLAR, and FIR trials) to conduct post-hoc analyses of NSCLC patients undergoing atezolizumab (anti–PD-L1) single-agent treatment (n = 1,479) or docetaxel single-agent treatment (n = 707). BCT was conducted at three time points: pre-treatment (T1), the first day of treatment cycle 3 (T2), and first day of treatment cycle 5 (T3). Univariate and multivariate Cox regression analyses were conducted to identify early BCT biomarkers to predict atezolizumab treatment outcomes in NSCLC patients. Main Outcomes and Measures Overall survival (OS) was used as the primary end point, whereas progression-free survival (PFS) according to Response Evaluation Criteria in Solid Tumors (RECIST), clinical benefit (CB), and objective response rate (ORR) were used as secondary end points. Results The BCT biomarkers of neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) at time point T3 and neutrophil-to-monocyte ratio (NMR) at time point T2 with absolute cutoff values of NLR_T3 = 5, PLR_T3 = 180, and NMR_T2 = 6 were identified as strong predictive biomarkers for atezolizumab (Ate)–treated NSCLC patients in comparison with docetaxel (Dtx)–treated patients regarding OS (BCTscore low risk: HR Ate vs. Dtx = 1.54 (95% CI: 1.04–2.27), P = 0.031; high risk: HR Ate vs. Dtx = 0.84 (95% CI: 0.62–1.12), P = 0.235). The identified BCTscore model showed better OS AUC in the OAK (AUC12month = 0.696), BIRCH (AUC12month = 0.672) and POPLAR+FIR studies (AUC12month = 0.727) than that of each of the three single BCT biomarkers. Conclusion and Relevance The BCTscore model is a valid predictive and prognostic biomarker for early survival prediction in atezolizumab-treated NSCLC patients.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
- Department of Radiation Oncology, Translational Radiobiology, Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | | | - Haitao Wang
- Thoracic Epigenetics Section, Thoracic Surgery Branch, Center for Cancer Research National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States
| | - Su-Han Jin
- Special Key Laboratory of Oral Diseases Research, Stomatological Hospital Affiliated to Zunyi Medical University, Zunyi, China
| | - Fangya Tan
- Department of Analytics, Harrisburg University of Science and Technology, Harrisburg, PA, United States
| | - Yu-Zhong Chen
- The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
| | - Si-Si He
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Gang Shen
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Benjamin Frey
- Department of Radiation Oncology, Translational Radiobiology, Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Rainer Fietkau
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Markus Hecht
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Shamus R. Carr
- Thoracic Epigenetics Section, Thoracic Surgery Branch, Center for Cancer Research National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States
| | - Ruihong Wang
- Thoracic Epigenetics Section, Thoracic Surgery Branch, Center for Cancer Research National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States
| | - Bo Shen
- The Affiliated Cancer Hospital of Nanjing Medical University, Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research, Nanjing, China
| | - David S. Schrump
- Thoracic Epigenetics Section, Thoracic Surgery Branch, Center for Cancer Research National Cancer Institute, National Institutes of Health, Bethesda, Maryland, United States
- *Correspondence: Udo S. Gaipl, ; Hu Ma, ; David S. Schrump,
| | - Hu Ma
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
- *Correspondence: Udo S. Gaipl, ; Hu Ma, ; David S. Schrump,
| | - Udo S. Gaipl
- Department of Radiation Oncology, Translational Radiobiology, Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- *Correspondence: Udo S. Gaipl, ; Hu Ma, ; David S. Schrump,
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Zhou JG, Wong AHH, Wang H, Tan F, Chen X, Jin SH, He SS, Shen G, Wang YJ, Frey B, Fietkau R, Hecht M, Ma H, Gaipl US. Elucidation of the Application of Blood Test Biomarkers to Predict Immune-Related Adverse Events in Atezolizumab-Treated NSCLC Patients Using Machine Learning Methods. Front Immunol 2022; 13:862752. [PMID: 35844547 PMCID: PMC9284319 DOI: 10.3389/fimmu.2022.862752] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 05/24/2022] [Indexed: 01/08/2023] Open
Abstract
Background Development of severe immune-related adverse events (irAEs) is a major predicament to stop treatment with immune checkpoint inhibitors, even though tumor progression is suppressed. However, no effective early phase biomarker has been established to predict irAE until now. Method This study retrospectively used the data of four international, multi-center clinical trials to investigate the application of blood test biomarkers to predict irAEs in atezolizumab-treated advanced non-small cell lung cancer (NSCLC) patients. Seven machine learning methods were exploited to dissect the importance score of 21 blood test biomarkers after 1,000 simulations by the training cohort consisting of 80%, 70%, and 60% of the combined cohort with 1,320 eligible patients. Results XGBoost and LASSO exhibited the best performance in this study with relatively higher consistency between the training and test cohorts. The best area under the curve (AUC) was obtained by a 10-biomarker panel using the XGBoost method for the 8:2 training:test cohort ratio (training cohort AUC = 0.692, test cohort AUC = 0.681). This panel could be further narrowed down to a three-biomarker panel consisting of C-reactive protein (CRP), platelet-to-lymphocyte ratio (PLR), and thyroid-stimulating hormone (TSH) with a small median AUC difference using the XGBoost method [for the 8:2 training:test cohort ratio, training cohort AUC difference = −0.035 (p < 0.0001), and test cohort AUC difference = 0.001 (p=0.965)]. Conclusion Blood test biomarkers currently do not have sufficient predictive power to predict irAE development in atezolizumab-treated advanced NSCLC patients. Nevertheless, biomarkers related to adaptive immunity and liver or thyroid dysfunction warrant further investigation.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
- Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- *Correspondence: Udo S. Gaipl, ; Hu Ma, ; Jian-Guo Zhou,
| | | | - Haitao Wang
- Thoracic Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Fangya Tan
- Department of Analytics, Harrisburg University of Science & Technology, Harrisburg, PA, United States
| | - Xiaofei Chen
- Department of Biostat & Programming, Sanofi, Bridgewater, NJ, United States
| | - Su-Han Jin
- Department of Orthodontics, School of Stomatology, Zunyi Medical University, Zunyi, China
| | - Si-Si He
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Gang Shen
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yun-Jia Wang
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Benjamin Frey
- Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Rainer Fietkau
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Markus Hecht
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Hu Ma
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
- *Correspondence: Udo S. Gaipl, ; Hu Ma, ; Jian-Guo Zhou,
| | - Udo S. Gaipl
- Translational Radiobiology, Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
- *Correspondence: Udo S. Gaipl, ; Hu Ma, ; Jian-Guo Zhou,
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Zhou JG, Wong AHH, Wang H, Jin SH, Tan F, Chen YZ, He SS, Shen G, Frey B, Fietkau R, Hecht M, Shen B, Ma H, Gaipl U. 329 Early blood cell count test (BCT) for survival prediction for non-small cell lung cancer patients treated with atezolizumab: integrated analysis of 4 multicenter clinical trials. J Immunother Cancer 2021. [DOI: 10.1136/jitc-2021-sitc2021.329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
BackgroundImmune checkpoint inhibitor (ICI) therapy is a major breakthrough for non-small cell lung cancer (NSCLC) treatment given its high efficacy and tolerable toxicity. Although pre-treatment PD-L1 expression levels and tumor mutation burden (TMB) may serve as prognostic biomarkers for patient stratification, effective predictive biomarkers are lacking. Blood cell count test (BCT) is a routine, regular blood test conducted before and during treatment to provide a direct overview of the immune landscape based on the counts of various types of immune cells (ICs). For instance, previous studies showed that neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) both indicate poor treatment outcomes of ICI therapy of NSCLC patients.MethodsThis study analyzed relevant combinations of IC counts from four international, multi-center clinical trials of OAK, BIRCH, POPLAR and FIR to conduct post-hoc analysis of NSCLC patients undergoing atezolizumab (anti-PD-L1) single-agent treatment (n = 1,479), while docetaxel single-agent treatment (n = 707) was used as control. BCT was conducted at three timepoints, T1 to T3, during pre-treatment and on the first day of treatment cycles 3 and 5, which correspond to baseline, 6, and 12 weeks on-treatment, respectively. Univariate and multivariate Cox regression analysis was conducted to identify NLR_T3, PLR_T3 and neutrophil-to-monocyte (NMR) at T2 as early BCT biomarkers that may predict ICI efficacy. Next, univariate and multivariate Cox proportional hazards regression analysis were used to identify any effective combination of BCT biomarkers and their absolute cutoff values that may serve as predictive biomarkers to predict atezolizumab treatment outcomes. Lastly, combinations of these BCT biomarkers were tested to optimize BCTscore model for clinical evaluation.ResultsThe final BCT biomarker combination, comprising of the BCT biomarkers of NLR and PLR at 12 weeks on-treatment (T3) and NMR at 6 weeks on-treatment (T2), was identified to be a strong predictive biomarker for atezolizumab (Ate)-treated NSCLC patients in comparison to docetaxel (Dtx)-treated patients regarding overall survival (OS) (BCTscore low-risk: HR Ate vs Dtx = 1.54 (95% CI: 1.04–2.27), P = 0.036; high-risk: HR Ate vs Dtx = 0.84 (95% CI: 0.62–1.12), P = 0.236). Our BCTscore model consistently exhibited better OS AUC in the OAK (AUC12month=0.696), BIRCH (AUC12month=0.672) and POPLAR+FIR studies (AUC12month=0.727) than that of each of the three BCT biomarkers in these three studies.ConclusionsThe BCTscore of NLR at 12 weeks, PLR at 12 weeks and NMR at 6 weeks is a strong efficacy predictive biomarker for atezolizumab-treated NSCLC patients.AcknowledgementsThe authors declare no conflict of interest. This publication is based on research using data from Genentech, Inc. (one of subsidiaries of Roche Group) that has been made available through Vivli, Inc (Data Request ID: 5935; Lead Investigator: Dr. Jian-Guo Zhou). Vivli has not contributed to or approved, and is not in any way responsible for, the contents of this publication.Trial RegistrationDeidentified individual participant data from the single-arm phase II studies of FIR study (NCT01846416; as of Janurary 7, 2015) [Spigel2018] and BIRCH (NCT02031458; as of May 28, 2015) [Peters2017], and the two-arm randomized controlled trials (RCT) of the POPLAR phase II study (NCT01903993; as of May 8, 2015) [Fehrenbacher2016] and the OAK phase III study (NCT02008227; as of July 7, 2016) [Rittmeyer2017] were made available by Genentech Inc. and accessed through the secure Vivli online platform.Ethics ApprovalBoth studies were approved by the respective national ethics committees and institutional review boards and written informed consent was obtained from all patients.
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Zhou JG, Huang L, Jin SH, Xu C, Frey B, Ma H, Gaipl US. Olanzapine combined with 5-hydroxytryptamine type 3 receptor antagonist (5-HT3 RA) plus dexamethasone for prevention and treatment of chemotherapy-induced nausea and vomiting in high and moderate emetogenic chemotherapy: a systematic review and meta-analysis of randomised controlled trials. ESMO Open 2021; 5:S2059-7029(20)30018-1. [PMID: 32079622 PMCID: PMC7046384 DOI: 10.1136/esmoopen-2019-000621] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 12/03/2019] [Accepted: 12/29/2019] [Indexed: 01/30/2023] Open
Abstract
We performed a pooled analysis to evaluate the efficacy and adverse events (AEs) of olanzapine combined with dexamethasone plus 5-hydroxytryptamine type 3 receptor antagonist (5-HT3 RA) compared with 5-HT3 RA plus dexamethasone for the prevention and treatment of chemotherapy-induced nausea and vomiting (CINV) in high and moderate emetogenic chemotherapy based on randomised controlled trials (RCTs). PubMed, EMBASE, Web of Science, the Cochrane Library, China Biomedical Literature database (CBM), WanFang Database, China National Knowledge Infrastructure (CNKI), and Chinese Science and Technology Periodical Database (VIP) (from their inception to April 2019) were searched to capture relevant articles. Relative risk with 95% confidence intervals for CINV and AEs were all extracted or calculated. Eleven studies with 1107 cancer patients were involved in this review. The pooled RR of delayed CINV (RR 0.50, 95% CI 0.38 to 0.66; p<0.01) were significantly decreased in the olanzapine group. The occurrence of insomnia was also statistically decreased, as was the rate of acute CINV (RR 0.60, 95% CI 0.48 to 0.75; p<0.01). However, only the percentages of CINV III and CINV IV were significantly decreased in the acute and delayed phases. Subgroup analysis demonstrated that the efficacy was not statistically significantly different between 5 mg and 10 mg olanzapine. Olanzapine significantly decreased the occurrence of CINV III and IV and insomnia in high and moderately emetogenic chemotherapy. Compared with 10 mg per day, 5 mg oral olanzapine may be more appropriate for patients with cancer.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China.,Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Lang Huang
- Department of Oncology, Guangyuan Central Hospital, Guangyuan, China
| | - Su-Han Jin
- Department of Orthodontics, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, China
| | - Cheng Xu
- Department of Oncology, Guangyuan Central Hospital, Guangyuan, China
| | - Benjamin Frey
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Hu Ma
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Udo S Gaipl
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
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Peng JX, Guan XY, Li GH, Zhong JL, Song JK, Xiao LL, Jin SH, Liu JG. Recombinant human insulin-like growth factor-1 promotes osteoclast formation and accelerates orthodontic tooth movement in rats. J Appl Oral Sci 2021; 29:e20200791. [PMID: 34008748 PMCID: PMC8128321 DOI: 10.1590/1678-7757-2020-0791] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 03/12/2021] [Indexed: 11/21/2022] Open
Abstract
Background: IGF-1 may be an important factor in bone remodeling, but its mechanism of action on osteoclasts during orthodontic tooth movement is complex and unclear. Methodology: The closed-coil spring was placed between the left maxillary first molar and upper incisors with a force of 50 g to establish an orthodontic movement model. Eighty SD rats were randomized to receive phosphate buffer saline or 400 ng rhIGF-1 in the lateral buccal mucosa of the left maxillary first molar every two days. Tissue sections were stained for tartrate-resistant acidic phosphatase (TRAP), the number of TRAP-positive cells was estimated and tooth movement measured. Results: The rhIGF-1 group exhibited evidential bone resorption and lacuna appeared on the alveolar bone compared to the control group. Moreover, the number of osteoclasts in compression side of the periodontal ligament in the rhIGF-1 group peaked at day 4 (11.37±0.95 compared to 5.28±0.47 in the control group) after the orthodontic force was applied and was significantly higher than that of the control group (p<0.01). Furthermore, the distance of tooth movement in the rhIGF-1 group was significantly larger than that of the control group from day 4 to day 14 (p<0.01), suggesting that rhIGF-1 accelerated orthodontic tooth movement. Conclusion: Our study has showed that rhIGF-1 could stimulate the formation of osteoclasts in the periodontal ligament, and accelerate bone remodeling and orthodontic tooth movement.
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Affiliation(s)
- Ju-Xiang Peng
- Guiyang Stomatological Hospital Affiliated to Zunyi Medical University, Guiyang Hospital of Stomatology, Department of Orthodontic, Guiyang, China
| | - Xiao-Yan Guan
- Guiyang Stomatological Hospital Affiliated to Zunyi Medical University, Guiyang Hospital of Stomatology, Department of Orthodontic, Guiyang, China
| | - Gao-Hua Li
- Shenzhen Ai Kang Jian Stomatological Hospital, Outpatient Department of Stomatology, Shenzhen, China
| | - Jian-Li Zhong
- Guangdong Province Stomatological Hospital, Department of Orthodontic, Guangzhou, China
| | - Ju-Kun Song
- Guizhou Province People's Hospital, Department of Oral and Maxillofacial Surgery, Guiyang, China
| | - Lin-Lin Xiao
- Zunyi Medical University, School of Stomatology, Department of Orthodontic, Zunyi, China
| | - Su-Han Jin
- Zunyi Medical University, School of Stomatology, Department of Orthodontic, Zunyi, China
| | - Jian-Guo Liu
- Special Key Laboratory of Oral Diseases Research from Higher Education Institution of Guizhou Province & Zunyi Key Laboratory of Oral Disease Research, Zunyi, China
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Zhou JG, Liang B, Liu JG, Jin SH, He SS, Frey B, Gu N, Fietkau R, Hecht M, Ma H, Gaipl US. Identification of 15 lncRNAs Signature for Predicting Survival Benefit of Advanced Melanoma Patients Treated with Anti-PD-1 Monotherapy. Cells 2021; 10:cells10050977. [PMID: 33922038 PMCID: PMC8143567 DOI: 10.3390/cells10050977] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/14/2021] [Accepted: 04/17/2021] [Indexed: 02/07/2023] Open
Abstract
The blockade of programmed cell death protein 1 (PD-1) as monotherapy has been widely used in melanoma, but to identify melanoma patients with survival benefit from anti-PD-1 monotherapy is still a big challenge. There is an urgent need for prognostic signatures improving the prediction of immunotherapy responses of these patients. We analyzed transcriptomic data of pre-treatment tumor biopsies and clinical profiles in advanced melanoma patients receiving only anti-PD-1 monotherapy (nivolumab or pembrolizumab) from the PRJNA356761 and PRJEB23709 data sets as the training and validation cohort, respectively. Weighted gene co-expression network analysis was used to identify the key module, then least absolute shrinkage and selection operator was conducted to determine prognostic-related long noncoding RNAs (lncRNAs). Subsequently, the differentially expressed genes between different clusters were identified, and their function and pathway annotation were performed. In this investigation, 92 melanoma patients with complete survival information (51 from training cohort and 41 from validation cohort) were included in our analyses. We initiallyidentified the key module (skyblue) by weighted gene co-expression network analysis, and then identified a 15 predictive lncRNAs (AC010904.2, LINC01126, AC012360.1, AC024933.1, AL442128.2, AC022211.4, AC022211.2, AC127496.5, NARF-AS1, AP000919.3, AP005329.2, AC023983.1, AC023983.2, AC139100.1, and AC012615.4) signature in melanoma patients treated with anti-PD-1 monotherapy by least absolute shrinkage and selection operator in the training cohort. These results were then validated in the validation cohort. Finally, enrichment analysis showed that the functions of differentially expressed genes between two consensus clusters were mainly related to the immune process and treatment. In summary, the 15 lncRNAs signature is a novel effective predictor for prognosis in advanced melanoma patients treated with anti-PD-1 monotherapy.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China; (J.-G.Z.); (S.-S.H.)
- Department of Radiation Oncology, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (R.F.); (M.H.)
- Comprehensive Cancer Center Erlangen-EMN, 91054 Erlangen, Germany
| | - Bo Liang
- Nanjing University of Chinese Medicine, Nanjing 210029, China;
| | - Jian-Guo Liu
- Special Key Laboratory of Oral Diseases Research, Stomatological Hospital Affiliated to Zunyi Medical University, Zunyi 563000, China; (J.-G.L.); (S.-H.J.)
| | - Su-Han Jin
- Special Key Laboratory of Oral Diseases Research, Stomatological Hospital Affiliated to Zunyi Medical University, Zunyi 563000, China; (J.-G.L.); (S.-H.J.)
| | - Si-Si He
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China; (J.-G.Z.); (S.-S.H.)
| | - Benjamin Frey
- Department of Radiation Oncology, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (R.F.); (M.H.)
- Comprehensive Cancer Center Erlangen-EMN, 91054 Erlangen, Germany
| | - Ning Gu
- Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing 210029, China;
| | - Rainer Fietkau
- Department of Radiation Oncology, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (R.F.); (M.H.)
- Comprehensive Cancer Center Erlangen-EMN, 91054 Erlangen, Germany
| | - Markus Hecht
- Department of Radiation Oncology, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (R.F.); (M.H.)
- Comprehensive Cancer Center Erlangen-EMN, 91054 Erlangen, Germany
| | - Hu Ma
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China; (J.-G.Z.); (S.-S.H.)
- Correspondence: (H.M.); (U.S.G.); Tel.: +49-(0)9131-85-44258 (U.S.G.); Fax: +49-(0)9131-85-39335 (U.S.G.)
| | - Udo S. Gaipl
- Department of Radiation Oncology, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (B.F.); (R.F.); (M.H.)
- Comprehensive Cancer Center Erlangen-EMN, 91054 Erlangen, Germany
- Correspondence: (H.M.); (U.S.G.); Tel.: +49-(0)9131-85-44258 (U.S.G.); Fax: +49-(0)9131-85-39335 (U.S.G.)
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Zang H, Wang Y, Yang HH, He PL, Pan SQ, Geng ZY, Jin SH. Characterisation of the complete mitochondrial genome, genetic diversity and maternal origin of Huainan Partridge chicken. Br Poult Sci 2021; 62:320-327. [PMID: 33263413 DOI: 10.1080/00071668.2020.1855628] [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: 10/22/2022]
Abstract
1. The objectives of the present study were to investigate the complete mitochondrial genome, genetic diversity and maternal origin of Huainan Partridge chicken (HPC).2. One complete mitochondrial genome and 37 complete D-loop regions of HPC were sequenced. Moreover, 400 mitochondrial genome D-loop sequences of Chinese native chicken were downloaded from the National Centre for Biotechnology Information database.3. The complete HPC genome was 16,785 bp in size, including 22 tRNA genes, two rRNA genes, 13 protein-coding genes and one non-coding control region. The haplotype diversity and nucleotide diversity of HPC were 0.964, and 0.00615, respectively. Twenty-three variable sites defining 22 haplotypes were identified, and the 22 haplotypes were distributed into three haplogroups (A, B, and C).4. In conclusion, HPC has a typical vertebrate mitochondrial genome, relatively high haplotype diversity, relatively low nucleotide diversity, and potentially three maternal lineages. HPC showed considerable genetic information exchange with Southwest Chinese chicken populations and had not admixed with European commercial breeds in the course of domestication.
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Affiliation(s)
- H Zang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China.,Department of Poultry Genetics and Breeding, Anhui Provincial Key Laboratory of Local Animal Genetic Resources Conservation and Bio-breeding, Hefei, China
| | - Y Wang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China.,Department of Poultry Genetics and Breeding, Anhui Provincial Key Laboratory of Local Animal Genetic Resources Conservation and Bio-breeding, Hefei, China
| | - H H Yang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - P L He
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - S Q Pan
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
| | - Z Y Geng
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China.,Department of Poultry Genetics and Breeding, Anhui Provincial Key Laboratory of Local Animal Genetic Resources Conservation and Bio-breeding, Hefei, China
| | - S H Jin
- College of Animal Science and Technology, Anhui Agricultural University, Hefei, China.,Department of Poultry Genetics and Breeding, Anhui Provincial Key Laboratory of Local Animal Genetic Resources Conservation and Bio-breeding, Hefei, China
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12
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Jin SH, Zhou JG, Guan XY, Bai GH, Liu JG, Chen LW. Development of an miRNA-Array-Based Diagnostic Signature for Periodontitis. Front Genet 2020; 11:577585. [PMID: 33391341 PMCID: PMC7772397 DOI: 10.3389/fgene.2020.577585] [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] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 11/09/2020] [Indexed: 12/14/2022] Open
Abstract
Periodontitis progression is accompanied by irreversible alveolar bone absorption and leads to tooth loss. Early diagnosis is important for tooth stability and periodontal tissue preservation. However, there is no recognized miRNA diagnostic signature with convincing sensitivity and specificity for periodontitis. In this study, we obtained miRNA array expression profiles of periodontitis from the Gene Expression Omnibus (GEO) database. After screening for differentially expressed miRNAs, the least absolute shrinkage and selection operator (LASSO) method was performed to identify and construct a 17-miRNA-based diagnostic signature (hsa-miR-3917, hsa-mir-4271, hsa-miR-3156, hsa-miR-3141, hsa-miR-1246, hsa-miR-125a-5p, hsa-miR-671-5p, hcmv-mir-UL70, hsa-miR-650, hsa-miR-497-3p, hsa-miR-145-3p, hsa-miR-141-3p, hsa-miR-210-3p, hsa-miR-204-3p, hsa-miR-203a-5p, hsa-miR-99a-3p, and hsa-miR-30a-3p). Periodontal tissue samples with higher risk scores were more likely to show symptoms of periodontitis. Then, the receiver operating characteristic (ROC) curves were used to assess the diagnostic value of the miRNA signature, which indicated that the optimum cutoff value in periodontitis diagnosis was 0.5056 with an area under the ROC curve (AUC) of 0.996, a sensitivity of 97.3%, a specificity of 100.0% in the training cohort; in the testing cohort, the corresponding values were as follows: an AUC of 0.998, a sensitivity of 97.9%, and a specificity of 91.7%. We next evaluated the efficacy of the signature in differentiating disease subtype and affected range. Furthermore, we conducted functional enrichment analysis of the 17 miRNA-targeted mRNAs, including the regulation of mTOR activity and cell autophagy, Th1/Th2 cell balance and immunoregulation, cell apoptosis, and so on. In summary, our study identified and validated a 17-miRNA diagnostic signature with convincing AUC, sensitivity, and specificity for periodontitis.
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Affiliation(s)
- Su-Han Jin
- Department of Orthodontics, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, China
| | - Jian-Guo Zhou
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Xiao-Yan Guan
- Department of Orthodontics, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, China
| | - Guo-Hui Bai
- School of Stomatology, Zunyi Medical University, Zunyi, China.,Special Key Laboratory of Oral Diseases Research, Higher Education Institution, Zunyi, China
| | - Jian-Guo Liu
- School of Stomatology, Zunyi Medical University, Zunyi, China.,Special Key Laboratory of Oral Diseases Research, Higher Education Institution, Zunyi, China
| | - Liang-Wen Chen
- Hubei-MOST KLOS & KLOBM, Department of Oral Implantology, School and Hospital of Stomatology, Wuhan University, Wuhan, China
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Zhou RH, Chen C, Jin SH, Li J, Xu ZH, Ye L, Zhou JG. Co-expression gene modules involved in cisplatin-induced peripheral neuropathy according to sensitivity, status, and severity. J Peripher Nerv Syst 2020; 25:366-376. [PMID: 32779320 DOI: 10.1111/jns.12407] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/03/2020] [Accepted: 08/05/2020] [Indexed: 02/05/2023]
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is among the most disabling and frustrating problems for cancer survivors. The neurotoxicity caused by cisplatin varies greatly among patients, and few predictors of appearance, duration of symptoms, susceptibility, or severity are available. A deeper understanding of the mechanisms underlying individual differences in status, severity, or sensitivity in response to cisplatin treatment is therefore required. By analyzing the GSE64174 gene expression profile and constructing a weighted gene co-expression network analysis (WGCNA) network, we screened gene modules and hub genes related to CIPN status, severity and sensitivity. We first identified the transcriptome profile of mouse dorsal root ganglion (DRG) samples and transformed their genes to human DRG counterparts. We then constructed WGCNA gene modules via optimal soft-threshold power-identification and module-preservation analysis. Comprehensive analysis and identification of module hub genes were performed via functional-enrichment analysis and significant common hub genes were identified, including "Cytoscape_cytoHubba," "Cytoscape_MCODE," and "Metascape_MCODE." Brown, green, and blue modules were selected to represent CIPN sensitivity, status, and severity, respectively, via trait-module correlational analysis. Additionally, functional enrichment analysis results indicated that these three modules were associated with some crucial biological functions, such as neutrophil migration, chemokine-mediated signaling pathway, and PI3K-Akt signaling pathway. We then identified seven common hub genes via three methods, including CXCL10, CCL21, CCR2, CXCR4, TLR4, NPY1R, and GALR2, related to CIPN status, severity and sensitivity. Our results provide possible targets and mechanism insights into the development and progress of CIPN, which can guide further transformation and pre-clinical research.
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Affiliation(s)
- Rui-Hao Zhou
- Department of Pain Management, West China Hospital, Sichuan University, Chengdu, China
| | - Chan Chen
- Department of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China
| | - Su-Han Jin
- Department of Orthodontics, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, China
| | - Jun Li
- Department of Pain Management, West China Hospital, Sichuan University, Chengdu, China
| | - Zi-Hao Xu
- School of Public Health, Nanchang University, Nanchang, China
| | - Ling Ye
- Department of Pain Management, West China Hospital, Sichuan University, Chengdu, China
| | - Jian-Guo Zhou
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.,Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
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Zhou JG, Yang J, Jin SH, Xiao S, Shi L, Zhang TY, Ma H, Gaipl US. Development and Validation of a Gene Signature for Prediction of Relapse in Stage I Testicular Germ Cell Tumors. Front Oncol 2020; 10:1147. [PMID: 32850325 PMCID: PMC7412879 DOI: 10.3389/fonc.2020.01147] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 06/08/2020] [Indexed: 01/18/2023] Open
Abstract
Background: Testicular germ cell tumors (TGCTs) are commonly diagnosed tumors in young men. However, a satisfactory approach to predict relapse of stage I TGCTs is still lacking. Therefore, this study aimed to develop a robust risk score model for stage I TGCTs. Method: RNA-sequence data of stage I TGCTs and normal testis samples were downloaded and analyzed to identify different expression genes. Gene-based prognostic model was constructed in The Cancer Genome Atlas (TCGA) using least absolute shrinkage and selection operator (LASSO) regression analysis and validated in GSE99420 dataset. Potential biological functions of the genes in prognostic model were determined via Gene Set Enrichment Analysis (GSEA) between high-risk and low-risk patients. Results: A total of 9,391 differentially expressed genes and 84 prognosis-related genes were identified. An eight-gene-based risk score model was constructed to divide patients into high or low risk of relapse. The low-risk patients had a significantly better relapse-free survival (RFS) than high-risk patients in both training and validation cohorts (HR = 0.129, 95% CI = 0.059-0.284, P < 0.001; HR = 0.277, 95% CI = 0.116-0.661, P = 0.004, respectively). The area under the receiver operating characteristic curve (AUC) values at 5 years was 0.805 and 0.724 in the training and validation cohorts, respectively. Functional enrichment analyses showed that DNA replication, ribosome, cell cycle, and TGF-beta signaling pathway may contribute to the relapse process. Conclusion: In summary, our analysis provided a novel eight-gene signature that could predict RFS in stage I TGCT patients.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Jie Yang
- Guangdong Lung Cancer Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, School of Medicine, South China University of Technology, Guangzhou, China
| | - Su-Han Jin
- Department of Orthodontics, Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, China
| | - Siyu Xiao
- Department of Clinical Laboratory, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Lei Shi
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Ting-You Zhang
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Hu Ma
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Udo S. Gaipl
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
- Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
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Luo P, Zhou JG, Jin SH, Qing MS, Ma H. Influence of marital status on overall survival in patients with ovarian serous carcinoma: finding from the surveillance epidemiology and end results (SEER) database. J Ovarian Res 2019; 12:126. [PMID: 31888704 PMCID: PMC6937688 DOI: 10.1186/s13048-019-0600-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Accepted: 12/10/2019] [Indexed: 12/14/2022] Open
Abstract
Objective This study is to investigate the relationship between marital status and prognosis of patients with ovarian serous carcinoma. Results We performed data analysis from 19,276 patients identified from the SEER database of the National Cancer Center of the United States. 57.8% of the patients were married, 13.0% unmarried, and 29.2% separated/ divorced/widowed (SDW). The median overall survival time ofthe unmarried group and the married group are 48 months and 52 months respectively. Univariate Cox regression analysis showed that the patients with serous ovarian cancer in the unmarried group resulted in a hazard ratio (HR) of 1.14 (95% CI: 1.08–1.19%; P < 0.001), comparing to SDW group with a HR of 1.02 (95% CI: 0.98–1.19%; P = 0.26). However, the SDW group was not statistically significantly different from the married group. (median 32 vs 52 months). Multivariate Cox regression analysis presented the unmarried group leading to a HR of 1.05 (95% CI: 1.00–1.11%; P = 0.05), and the SDW group was not significant with a HR of 0.99 (95% CI: 0.95–1.03%; P = 0.57). Conclusion Unmarried patients with ovarian serous carcinoma have higherHRof overall survival. After controlling age, race, grade, radiation and year of diagnosis, unmarried patients were found to have a significantly higher risk of OS. Consequently, these patients are suggested to obtain more focused healthcare for the management of ovarian serous carcinoma.
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Affiliation(s)
- Pei Luo
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
| | - Jian-Guo Zhou
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China. .,Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, 91054, Germany.
| | - Su-Han Jin
- Department of Orthodontics, Affiliated Stomatology Hospital of Zunyi Medical University, Zunyi, 563000, China
| | - Ming-Song Qing
- Department of Orthopedics, Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China
| | - Hu Ma
- Department of Oncology, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, 563000, China.
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Zhou JG, Liang B, Jin SH, Liao HL, Du GB, Cheng L, Ma H, Gaipl US. Development and Validation of an RNA-Seq-Based Prognostic Signature in Neuroblastoma. Front Oncol 2019; 9:1361. [PMID: 31867276 PMCID: PMC6904333 DOI: 10.3389/fonc.2019.01361] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 11/18/2019] [Indexed: 12/25/2022] Open
Abstract
Objective: The stratification of neuroblastoma (NBL) prognosis remains difficult. RNA-based signatures might be able to predict prognosis, but independent cross-platform validation is still rare. Methods: RNA-Seq-based profiles from NBL patients were acquired and then analyzed. The RNA-Seq prognostic index (RPI) and the clinically adjusted RPI (RCPI) were successively established in the training cohort (TARGET-NBL) and then verified in the validation cohort (GSE62564). Survival prediction was assessed using a time-dependent receiver operating characteristic (ROC) curve and area under the ROC curve (AUC). Functional enrichment analysis of the genes was conducted using bioinformatics methods. Results: In the training cohort, 10 gene pairs were eventually integrated into the RPI. In both cohorts, the high-risk group had poor overall survival (OS) (P < 0.001 and P < 0.001, respectively) and favorable event-free survival (EFS) (P = 0.00032 and P = 0.06, respectively). ROC curve analysis also showed that the RPI predicted OS (60 month AUC values of 0.718 and 0.593, respectively) and EFS (60 month AUC values of 0.627 and 0.852, respectively) well in both the training and validation cohorts. Clinicopathological indicators associated with prognosis in the univariate and multivariate regression analyses were identified and added to the RPI to form the RCPI. The RCPI was also used to divide populations into different risk groups, and the high-risk group had poor OS (P < 0.001 and P < 0.001, respectively) and EFS (P < 0.05 and P < 0.05, respectively). Finally, the RCPI had higher accuracy than the RPI for the prediction of OS (60 month AUC values of 0.730 and 0.852, respectively) and EFS (60 month AUC values of 0.663 and 0.763, respectively) in both the training and validation cohorts. Moreover, these differentially expressed genes may be involved in certain NBL-related events. Conclusions: The RCPI could reliably categorize NBL patients based on different risks of death.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.,Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Bo Liang
- Affiliated Nanjing Hospital of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Su-Han Jin
- Department of Orthodontics, Affiliated Stemmatological Hospital of Zunyi Medical University, Zunyi, China
| | - Hui-Ling Liao
- College of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Guo-Bo Du
- Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Long Cheng
- Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Hu Ma
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Udo S Gaipl
- Department of Radiation Oncology, Universitätsklinikum Erlangen, Erlangen, Germany
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Zhou JG, Zhao HT, Jin SH, Tian X, Ma H. Identification of a RNA-seq-based signature to improve prognostics for uterine sarcoma. Gynecol Oncol 2019; 155:499-507. [PMID: 31662204 DOI: 10.1016/j.ygyno.2019.08.033] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 08/27/2019] [Accepted: 08/31/2019] [Indexed: 12/20/2022]
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Zhou JG, Zhong H, Zhang J, Jin SH, Roudi R, Ma H. Development and Validation of a Prognostic Signature for Malignant Pleural Mesothelioma. Front Oncol 2019; 9:78. [PMID: 30828567 PMCID: PMC6384238 DOI: 10.3389/fonc.2019.00078] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 01/29/2019] [Indexed: 12/12/2022] Open
Abstract
Introduction: Dysregulated genes play a critical role in the development and progression of cancer, suggesting their potential as novel independent biomarkers for cancer diagnosis and prognosis. Prognostic model-based gene expression profiles are not widely utilized in clinical medicine. We investigated the prognostic significance of an expression profile-based gene signature for outcome prediction in patients with malignant pleural mesothelioma (MPM). Methods: The gene expression profiles of a large cohort of patients with MPM were obtained and analyzed by repurposing publicly available microarray data. A gene-based risk score model was developed with the training dataset and then validated with the TCGA-MESO (mesothelioma) dataset. The time-dependent receiver operating characteristic (ROC) curve was used to evaluate the prognostic performance of survival prediction. The biological function of the prognostic genes was predicted using bioinformatics analysis. Results: Three genes in the training dataset (GSE2549) were identified as significantly associated with the overall survival (OS) of patients with MPM and were combined to develop a three-gene prognostic signature to stratify patients into low-risk and high-risk groups. The MPM patients of the training dataset in the low-risk group exhibited longer OS than those in the high-risk group (HR = 0.25, 95% CI = 0.11–0.56, P < 0.001). Similar prognostic values for the three-gene signature were observed in the validated TCGA-MESO cohort (HR = 0.53 95% CI = 0.33–0.85, P = 0.008). ROC analysis also demonstrated the good performance in predicting 3-year OS in the GEO and TCGA cohorts (KM-AUC for GEO = 0.989, KM-AUC for TCGA = 0.618). The C-statistic for the 3-gene model was 0.761. Validation with TCGA-MESO confirmed the model's ability to discriminate between risk groups in an alternative data set with fair performance (C-statistic: 0.68). Functional enrichment analysis suggested that these three genes may be involved in genetic and epigenetic events with known links to MPM. Conclusions: This study has identified and validated a novel 3-gene model to reliably discriminate patients at high and low risk of death in unselected populations of patients with MPM. Further larger, prospective multi-institutional cohort studies are necessary to validate this model.
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Affiliation(s)
- Jian-Guo Zhou
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Hua Zhong
- College of Life Sciences, Wuhan University, Wuhan, China
| | - Juan Zhang
- Department of Bioinformatics, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Su-Han Jin
- Department of Orthodontics, Affiliated Stemmatological Hospital of Zunyi Medical University, Zunyi, China
| | - Raheleh Roudi
- Oncopathology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hu Ma
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
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Zhang C, Zhao XH, Yang L, Chen XY, Jiang RS, Jin SH, Geng ZY. Resveratrol alleviates heat stress-induced impairment of intestinal morphology, microflora, and barrier integrity in broilers. Poult Sci 2018; 96:4325-4332. [PMID: 29053872 DOI: 10.3382/ps/pex266] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 08/29/2017] [Indexed: 12/18/2022] Open
Abstract
This study was to investigate the effect of resveratrol on intestinal morphology, microfloras, and barrier integrity of broilers subjected to heat stress. Two-hundred-seventy 21-day-old Cobb male broilers were randomly allocated to 3 treatment groups, each of which included 6 replicates with 15 birds per replicate. The 3 treatment groups were as follows: the control group, in which birds were exposed to thermoneutral condition (22 ± 1°C), and the heat stress group and heat stress + resveratrol (400 mg/kg) group, in which birds were exposed to cyclic heat stress (33 ± 1°C for 10 h/d from 0800 to 1800 h and 22 ± 1°C for the remaining time. Compared with birds in the control group, birds in the heat stress group exhibited decreased (P < 0.05) final body weight, average daily gain, average daily feed intake, villus height, villus height to crypt depth ratio, goblet cells numbers, populations of Lactobacillus and Bifidobacterium, and mRNA levels of mucin-2, claudin-1, occludin, zona occludens-1, and E-cadherin, and increased (P < 0.05) crypt depth, serum D-lactic acid and fluorescein isothiocyanate dextran contents and diamine oxidase activity, and populations of Salmonella, Escherichia coli, and Clostridium. Compared with birds in the heat stress group, birds in the heat stress + resveratrol group exhibited decreased (P < 0.05) crypt depth, serum D-lactic acid and fluorescein isothiocyanate dextran contents, and populations of Escherichia coli, and increased (P < 0.05) final body weight, villus height, villus height to crypt depth ratio, goblet cells numbers, populations of Lactobacillus and Bifidobacterium, and mRNA levels of mucin-2, claudin-1, occludin, and E-cadherin. Taken together, these results indicated for the first time that dietary addition of resveratrol was effective in partially ameliorating the adverse effects of heat stress on intestinal barrier function in broilers by restoring the impaired villus-crypt structure, modifying the profiles of intestinal microfloras, and altering the mRNA expression of intestinal tight junctions- and adherence junctions-related genes.
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Affiliation(s)
- C Zhang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - X H Zhao
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - L Yang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - X Y Chen
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - R S Jiang
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - S H Jin
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Z Y Geng
- College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
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Ma H, Yao WX, Huang L, Jin SH, Liu DH, Liu Y, Tian X, Tian JH, Zhou JG. Efficacy of D5F3 IHC for detecting ALK gene rearrangement in NSCLC patients: a systematic review and meta-analysis. Oncotarget 2018; 7:70128-70142. [PMID: 27602773 PMCID: PMC5342540 DOI: 10.18632/oncotarget.11806] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 08/13/2016] [Indexed: 12/02/2022] Open
Abstract
We conducted a pooled analysis comparing the efficacy of an immunohistochemistry (IHC) assay using the D5F3 antibody with that of fluorescence in situ hybridization (FISH) for detecting ALK gene rearrangement in NSCLC patients. A total of 32 studies involving 5805 samples were included in this review. Pooled sensitivity for D5F3 IHC was 0.97 (95%CI: 0.93-0.98), specificity was 0.99 (95%CI: 0.98-1.00), PLR was 119.20 (95%CI: 57.79-245.89), NLR was 0.03 (95%CI: 0.02-0.07), DOR was 3526.66 (95%CI: 1344.71-9249.03), and AUROC was 1.00 (95%CI: 0.99-1.00). Meta-regression revealed that specimen type was a source of heterogeneity for specificity, and specimen type and FISH signal distance were sources of heterogeneity in the joint model. Subgroup analysis revealed that sensitivity and specificity were higher when the FISH signal distance standard was ≥ 2 than when it was ≥ 1. Sensitivity was higher for tumor specimens than for cell specimens; specificity was higher for cell specimens than for tumor specimens. In conclusion, the D5F3 IHC assay was nearly as effective as FISH for detection of ALK gene rearrangement in NSCLC patients.
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Affiliation(s)
- Hu Ma
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Wen-Xiu Yao
- Department of Oncology, Affiliated Cancer Hospital of Medical School, University of Electronic Science and Technology of China, Sichuan Cancer Hospital and Institute & Cancer, The Second People's Hospital of Sichuan Province, Chengdu, 610000, China
| | - Lang Huang
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Su-Han Jin
- Affiliated Stemmatological Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Da-Hai Liu
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
| | - Yuan Liu
- Department of Pharmacology and Key Laboratory of Basic Pharmacology of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Xu Tian
- Chongqing Cancer Hospital and Institute, Chongqing, 40030, China
| | - Jin-Hui Tian
- Evidence-Based Medicine Center of Lanzhou University, Lanzhou, 730000, China
| | - Jian-Guo Zhou
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi 563000, China
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Huang L, Zhou JG, Zhang Y, Wang F, Wang Y, Liu DH, Li XJ, Lv SP, Jin SH, Bai YJ, Ma H. Opioid-Induced Constipation Relief From Fixed-Ratio Combination Prolonged-Release Oxycodone/Naloxone Compared With Oxycodone and Morphine for Chronic Nonmalignant Pain: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Pain Symptom Manage 2017; 54:737-748.e3. [PMID: 28736104 DOI: 10.1016/j.jpainsymman.2017.07.025] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 04/16/2017] [Accepted: 07/06/2017] [Indexed: 01/08/2023]
Abstract
CONTEXT Opioid-induced constipation (OIC) is one of the most frequent and severe adverse events (AEs) after treatment with opioids. Recent studies have indicated that fixed-ratio combination prolonged-release oxycodone/naloxone (OXN PR) could decrease OIC with similar pain relief compared with other opioids. OBJECTIVES We systematically reviewed (PROSPERO registration numbers: CRD42016036244) the constipation relief of OXN PR compared with other opioids regardless of formulation, prolonged release, or extended release used for the relief of chronic pain. METHODS Relevant studies were identified by searching PubMed, EMBASE, Web of Science, and the Cochrane library from inception to May 2016, with an update to December 2016. We quantitatively analyzed OIC (assessed by bowel function index [BFI]), pain intensity, and AEs. RESULTS A total of 167 articles were identified from the databases. Finally seven studies with 3217 patients were included in our meta-analysis, including 1322 patients in OXN PR treatment groups and 1885 patients in prolonged-release oxycodone (OXY PR) or prolonged-release morphine (MOR PR) control group. The relative risk (RR) of OIC was decreased in OXN PR (RR 0.52, 95% CI 0.44; 0.62). Whether BFI was better or worse at baseline, the mean difference (MD) of BFI -17.48 95% CI -21.60; -13.36) was better after treatment with OXN PR with clinical importance at the end of intervention; moreover, the BFI of the OXN PR-treated group was closer to normal BFI scores. However, clinical BFI change from baseline to the end measurement only existed in patients when the baseline BFI was high (mean [SDs] 61.0 [23.39]-67.40 [19.51]), and the MD of the BFI was -15.96 (95% CI -25.56; -15.48). The RR of AEs was also smaller (RR 0.80; 95% CI 0.69-0.93), but the severity or duration of AEs was not reported. Pain intensity was also significantly decreased in the OXN PR treatment groups (MD -3.84, 95% CI -7.14; -0.55), although there was no clinically meaningful difference. CONCLUSION For people with chronic pain, treatment with OXN PR decreases the incidence of OIC and provides intermediate-term bowel function improvement with clinical importance; in addition, pain relief is not weakened. The OIC after treatment with OXN PR for cancer-related pain and over the long term remains unknown.
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Affiliation(s)
- Lang Huang
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Jian-Guo Zhou
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yu Zhang
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Fei Wang
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yi Wang
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Da-Hai Liu
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Xin-Juan Li
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Shui-Ping Lv
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Su-Han Jin
- Affiliated Stomatological Hospital of Zunyi Medical University, Zunyi, China
| | - Yu-Ju Bai
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Hu Ma
- Department of Oncology, Affiliated Hospital of Zunyi Medical University, Zunyi, China.
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Jin SH, Zhang Q, Wang J. [High-resolution CT features of pulmonary injury induced by acute nickel carbonyl poisoning]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2016; 34:841-843. [PMID: 28043274 DOI: 10.3760/cma.j.issn.1001-9391.2016.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Abstract
BACKGROUND Many primary and secondary studies reported the association between Toll-like receptor 4 (TLR4) polymorphism and periodontitis susceptibility, which mainly focused on TLR4-299A>G or TLR4-399C>T of Caucasian, however, these studies had different conclusions. The aim of this study was to reassess relative studies about TLR4 polymorphism and periodontitis susceptibility, and update meta-analysis. METHODS We searched the electronic database including CNKI (Chinese National Knowledge Infrastructure), PubMed, Embase, and hand searched relative studies until January 4, 2016. Two authors selected studies according to inclusion and exclusion criteria, assessed studies using Newcastle-Ottawa Scale case control study (NOS), and calculated the combined effect size using STATA software, version 12.0. RESULTS This meta-analysis included 18 studies, containing 2453 healthy participants and 2987 patients with chronic periodontitis (CP) and 462 patients with aggressive periodontitis (AP). There was a significance between TLR4C>G (rs7873784) allele and CP in Asian, and its recessive model was also significant (for C vs G: odds ratio [OR] = 0.72, 95% confidence interval [CI] = 0.54-0.95, I = 0%; for CC + CG vs GG: OR = 0.66, 95% CI = 0.49-0.89, I = 0%). However, we did not detect any significant relevance between other TLR4 polymorphism and periodontitis susceptibility in overall and subgroup analyses. The sensitive analysis showed that dropping any single studies did not affect the pooled-analysis results. Publication bias was not detected. CONCLUSIONS The meta-analysis found association between TLR4C>G (rs7873784) allele and CP in Asian and it may passed on to offsprings in the form of recessiveness. However, further studies about the association between TLR4C>G (rs7873784) and CP is warranted to confirm.
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Affiliation(s)
- Su-Han Jin
- Stomatological Hospital Affiliated to Zunyi Medical College
- School of Stomatology, Zunyi Medical University
| | - Xiao-Yan Guan
- Stomatological Hospital Affiliated to Zunyi Medical College
- Special Key Laboratory of Oral Diseases Research, Higher Education Institution, Zunyi, Guizhou Province, China
| | - Wen-Hong Liang
- Stomatological Hospital Affiliated to Zunyi Medical College
- Special Key Laboratory of Oral Diseases Research, Higher Education Institution, Zunyi, Guizhou Province, China
| | - Guo-Hui Bai
- School of Stomatology, Zunyi Medical University
- Special Key Laboratory of Oral Diseases Research, Higher Education Institution, Zunyi, Guizhou Province, China
| | - Jian-Guo Liu
- School of Stomatology, Zunyi Medical University
- Special Key Laboratory of Oral Diseases Research, Higher Education Institution, Zunyi, Guizhou Province, China
- Correspondence: Jian-Guo Liu, School of Stomatology, Zunyi Medical University, Zunyi, Guizhou Province, China; Special Key Laboratory of Oral Diseases Research, Higher Education Institution, Zunyi, Guizhou Province, China (e-mail: )
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Jung HS, Jin SH, Cho JH, Han SH, Lee DK, Cho H. UTE-ΔR2 -ΔR2 * combined MR whole-brain angiogram using dual-contrast superparamagnetic iron oxide nanoparticles. NMR Biomed 2016; 29:690-701. [PMID: 27061076 DOI: 10.1002/nbm.3514] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Revised: 02/10/2016] [Accepted: 02/19/2016] [Indexed: 06/05/2023]
Abstract
The ability to visualize whole-brain vasculature is important for quantitative in vivo investigation of vascular malfunctions in cerebral small vessel diseases, including cancer, stroke and neurodegeneration. Transverse relaxation-based ΔR2 and ΔR2 * MR angiography (MRA) provides improved vessel-tissue contrast in animal deep brain with the aid of intravascular contrast agents; however, it is susceptible to orientation dependence, air-tissue interface artifacts and vessel size overestimation. Dual-mode MRA acquisition with superparamagnetic iron oxide nanoparticles (SPION) provides a unique opportunity to systematically compare and synergistically combine both longitudinal (R1 ) and transverse (ΔR2 and ΔR2 *) relaxation-based MRA. Through Monte Carlo (MC) simulation and MRA experiments in normal and tumor-bearing animals with intravascular SPION, we show that ultrashort TE (UTE) MRA acquires well-defined vascularization on the brain surface, minimizing air-tissue artifacts, and combined ΔR2 and ΔR2 * MRA simultaneously improves the sensitivity to intracortical penetrating vessels and reduces vessel size overestimation. Consequently, UTE-ΔR2 -ΔR2 * combined MRA complements the shortcomings of individual angiograms and provides a strategy to synergistically merge longitudinal and transverse relaxation effects to generate more robust in vivo whole-brain micro-MRA. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- H S Jung
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - S H Jin
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - J H Cho
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - S H Han
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - D K Lee
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - H Cho
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, South Korea
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Ma H, Liu Y, Huang L, Zeng XT, Jin SH, Yue GJ, Tian X, Zhou JG. The Adverse Events of Oxycodone in Cancer-Related Pain: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Medicine (Baltimore) 2016; 95:e3341. [PMID: 27082588 PMCID: PMC4839832 DOI: 10.1097/md.0000000000003341] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The adverse events (AEs) of oxycodone in cancer-related pain were controversial, so we conducted a meta-analysis to determine it. PubMed, Embase, CBM, CNKI, WanFang database, The Cochrane library, Web of Science, and the reference of included studies were searched to recognize pertinent studies. Relative risk (RR) with 95% confidence intervals (CIs) for all AEs were all extracted. The fixed-effects model was used to calculate pooled RRs and 95% CIs. Power calculation was performed using macro embedded in SAS software after all syntheses were completed. We identified 11 eligible trials involving 1211 patients: 604 patients included in oxycodone group and 607 patients involved in control group. Our quantitative analysis included 8 AEs, and the pooled analyses indicated that oxycodone compared with other opioids in cancer-related pain were not significantly decreased RRs of all AEs (dizziness RR = 0.94, 95% CI: 0.69-1.30, Z = 0.35, P = 0.72; nausea RR = 0.88, 95% CI: 0.72-1.07, Z = 1.26, P = 0.21; vomiting RR = 0.89, 95% CI: 0.70-1.15, Z = 0.9, P = 0.37; sleepiness RR = 0.86, 95% CI: 0.38-1.36, Z = 0.36, P = 0.72; constipation RR = 0.98, 95% CI: 0.81-1.19, Z = 0.21, P = 0.83; anorexia RR = 0.97, 95% CI = 0.58-1.62, Z = 0.11, P = 0.91; pruritus RR = 0.76, 95% CI: 0.44-1.30, Z = 1.01, P = 0.31; dysuria RR = 0.33, 95% CI: 0.07-1.62, Z = 1.36, P = 0.1)]. The subgroup analysis shown that Ox controlled-release (CR) had less sleepiness compared with MS-contin (Mc) CR (RR = 0.47, 95% CI: 0.25-0.90, P = 0.02). The power analysis suggests that all AEs have low statistical power. The present meta-analysis detected that no statistically significant difference were found among oxycodone and other opioids in all AEs, but Ox CR may had less sleepiness compared with Mc CR when subgroup analysis were conducted.
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Affiliation(s)
- Hu Ma
- From the Department of Oncology, Affiliated Hospital of Zunyi Medical University (HM, LH, G-JY, J-GZ); Center for Translational Medicine (HM, LH, J-GZ) and Department of Pharmacology and Key Laboratory of Basic Pharmacology of Ministry of Education (YL), Zunyi Medical University; Department of Cardiology and Endodontics, Affiliated Stomatological Hospital of Zunyi Medical University (S-HJ), Zunyi; Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University (X-TZ); Center for Evidence-Based and Translational Medicine, Wuhan University (X-TZ), Wuhan; Graduate College and School of Nursing, Tianjin University of Traditional Chinese Medicine, Tianjin (XT), China
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Lee JW, Cha DK, Oh YK, Ko KB, Jin SH. Wastewater screening method for evaluating applicability of zero-valent iron to industrial wastewater. J Hazard Mater 2010; 180:354-360. [PMID: 20452724 DOI: 10.1016/j.jhazmat.2010.04.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2009] [Revised: 04/01/2010] [Accepted: 04/10/2010] [Indexed: 05/29/2023]
Abstract
This study presents a screening protocol to evaluate the applicability of the ZVI pretreatment to various industrial wastewaters of which major constituents are not identified. The screening protocol consisted of a sequential analysis of UV-vis spectrophotometry, high-performance liquid chromatograph (HPLC), and bioassay. The UV-vis and HPLC analyses represented the potential reductive transformation of unknown constituents in wastewater by the ZVI. The UV-vis and HPLC results were quantified using principal component analysis (PCA) and Euclidian distance (ED). The short-term bioassay was used to assess the increased biodegradability of wastewater constituents after ZVI treatment. The screening protocol was applied to seven different types of real industrial wastewaters. After identifying one wastewater as the best candidate for the ZVI treatment, the benefit of ZVI pretreatment was verified through continuous operation of an integrated iron-sequencing batch reactor (SBR) resulting in the increased organic removal efficiency compared to the control. The iron pretreatment was suggested as an economical option to modify some costly physico-chemical processes in the existing wastewater treatment facility. The screening protocol could be used as a robust strategy to estimate the applicability of ZVI pretreatment to a certain wastewater with unknown composition.
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Affiliation(s)
- J W Lee
- Department of Environmental Engineering, College of Science and Technology, Korea University, Jochiwon-eup, Yeongi-gun, Chungnam 339-700, Republic of Korea.
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Lin YQ, Li JY, Wang HY, Liu J, Zhang CL, Wang WT, Liu J, Li N, Jin SH. Cloning and identification of a novel sperm binding protein, HEL-75, with antibacterial activity and expressed in the human epididymis. Hum Reprod 2008; 23:2086-94. [PMID: 18343807 DOI: 10.1093/humrep/den084] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The HEL-75 protein is a beta-defensin that was identified by analyzing a human epididymis cDNA library. Studying its function may not only elucidate the mechanisms of host defense, but may also provide new alternatives for novel therapeutic drugs for reproductive tract infections. METHODS The HEL-75 gene was amplified by PCR, and its structure and function were predicted and analyzed with bioinformatics tools. Polyclonal serum was raised against recombinant HEL (rHEL)-75 protein. The gene expression pattern was analyzed with RT-PCR and immunofluorescent staining. Finally, the antimicrobial activity and function during fertilization of HEL-75 were analyzed using a colony-forming unit assay and IVF, respectively. RESULTS The human HEL-75 gene is located on chromosome 20p13 and encodes a 95 amino acid protein with a predicted N-terminal signal peptide of 22 amino acids. The protein has six conserved cysteine residues, characteristic of members of the beta-defensin superfamily, as well as several potential post-translational modification sites. At the transcriptional level, HEL-75 was expressed in the epididymis and lung, but only in the epididymis at the translational level. Immunofluorescent staining showed that HEL-75 protein bound spermatozoa in the epididymis. RHEL-75 protein could kill Escherichia coli in vitro in a dose- and time-dependent fashion. However, no effect was observed on sperm motility nor fertilization when spermatozoa were blocked with anti-rHEL-75 polyclonal serum. CONCLUSION HEL-75 is a new beta-defensin expressed in the epididymis and on sperm; it may play an important role in host defense.
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Affiliation(s)
- Y Q Lin
- Shandong Research Center of Stem Cell Engineering, Yantai Yu-huang-ding Hospital, No. 20, Yu-huang-ding Dong Road, 264000 Yantai, People's Republic of China
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Abstract
Basiliximab is widely used in clinical practice for initial immunosuppressive treatment of renal transplant recipients, seeking to reduce the incidence of acute rejection episodes without adverse events. This retrospective study included 123 renal allograft recipients transplanted at a single center. All were followed for longer than 1 year after transplantation and treated with calcineurin inhibitor and steroid (methylprednisolone) for prophylactic immunosuppression, but basiliximab and mycophenolate mofetil were optional. We compared the outcomes of renal transplant recipients who were versus treated were not with basiliximab as initial immunosuppressive therapy. Basiliximab was used for initial immunosuppression in 42 patients. Their maintenance immunosuppressive treatment included triple (n = 44) or double (n = 79) regimens, including a calcineurin inhibitor (cyclosporine [n = 87] or tacrolimus [n = 36]), methylprednisolone with or without mycophenolate mofetil. Twenty-six (21.1%) patients had a rejection episode within 1 year after transplantation and 22 (17.9%) had infections. Within the first year after transplantation the patients who were treated with basiliximab showed fewer rejection episodes (n = 6, 14.3%) than the patients without this therapy (n = 20, 24.7%), which was not statistically significant (P = .245). However, basiliximab significantly affected the occurrence of rejection episodes among the double immunosuppressive regimen group (P = .006), but not the triple regimen group (P = .098) without an impact on infection episodes (P value of double, triple = .291, .414) within 1 year after transplantation. We concluded that basiliximab was more useful for the recipients treated with double immunosuppression with a calcineurin inhibitor and steroid than for those on a triple regimen including mycophenolate mofetil.
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Affiliation(s)
- B M Lee
- Department of Surgery, Ajou University School of Medicine, 5 Wonshon-Dong, Yeongtong-Gu, Suwon 443-721, Korea
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Shallop JK, Jin SH, Driscoll CLW, Tibesar RJ. Characteristics of electrically evoked potentials in patients with auditory neuropathy/auditory dys-synchrony. Int J Audiol 2004; 43 Suppl 1:S22-7. [PMID: 15732378] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
The primary goal of this study was to compare the characteristics of the post-implant evoked potentials with preimplant evoked potentials in patients with auditory neuropathy (AN) or dys-synchrony. AN is typically characterized by sensorineural hearing loss, reduced speech perception, abnormal temporal processing, and unusual patterns of results with various objective audiological tests. In some cases, these patients may be appropriate candidates for a cochlear implant. In this article, we highlight evoked potential findings in two children diagnosed with AN who were provided with multichannel cochlear implants. Preoperative, interoperative and postoperative evoked potential measures show that the restoration of neural synchrony may occur at multiple levels of the auditory pathways in patients with AN when appropriate diagnostic tests, cochlear implantation and rehabilitation are provided.
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Cryan JF, Dalvi A, Jin SH, Hirsch BR, Lucki I, Thomas SA. Use of dopamine-beta-hydroxylase-deficient mice to determine the role of norepinephrine in the mechanism of action of antidepressant drugs. J Pharmacol Exp Ther 2001; 298:651-7. [PMID: 11454927] [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] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023] Open
Abstract
Norepinephrine (NE) is thought to play an important role in the pathophysiology of depression, and in the mechanism of action of antidepressant compounds. Previously, we created mice that are unable to synthesize NE and epinephrine due to targeted disruption of the dopamine-beta-hydroxylase gene (Dbh). To specifically test the role of NE in mediating behavioral changes elicited by antidepressants, these mice were examined in the forced swim test. There was no difference in baseline immobility scores in the forced swim test between Dbh(+/-) mice, which have normal levels of NE, and Dbh(-/-) mice. However, the Dbh(-/-) mice failed to demonstrate antidepressant-like behavioral effects following the administration of several classes of antidepressants. These included the NE reuptake inhibitors desipramine and reboxetine, the monoamine oxidase inhibitor pargyline, and the atypical antidepressant bupropion. In addition, desipramine significantly reduced immobility in the Dbh(-/-) mice following pretreatment with the synthetic NE precursor L-threo-3,4-dihydroxyphenylserine, but not saline. Biochemical studies showed that there was no significant difference in the regional brain levels of NE transporter immunoreactivity or monoamine oxidase activity, the primary targets for most of the compounds examined. Taken together, these data show that the use of mice that lack endogenous NE may be an important strategy for unraveling the role of NE in tests sensitive to the effects of various psychotherapeutic agents.
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Affiliation(s)
- J F Cryan
- Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6084, USA
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Kim TI, Jin SH, Kim WH, Kang EH, Choi KY, Kim HJ, Shin SK, Kang JK. Prolonged activation of mitogen-activated protein kinases during NSAID-induced apoptosis in HT-29 colon cancer cells. Int J Colorectal Dis 2001; 16:167-73. [PMID: 11459290 DOI: 10.1007/s003840100301] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The mechanisms of the antineoplastic effect of nonsteroidal anti-inflammatory drugs (NSAIDs) still are unknown, but the induction of apoptosis is one of the possible mechanisms. We attempted to demonstrate the role of mitogen-activated protein (MAP) kinases, generally considered to be important mediators of proliferative and apoptotic signals, in NSAID-induced colon cancer cell apoptosis. Apoptosis was detected by demonstration of DNA fragmentation in agarose gel electrophoresis. Cell death was assessed by trypan blue dye exclusion method. MAP kinase activation was assessed by Western blot using phosphospecific antibodies to MAP kinases. Kinase assay using activating transcription factor-2 (ATF-2) fusion protein as a substrate was also performed for measuring p38 MAP kinase activity. For the inhibition of p38 MAP kinase, pyridinylimidazole compound (SB203580) was utilized. Caspase-3 activity was measured using the tetrapeptide fluorogenic substrate Ac-DEVD-AMC. Treatment of HT-29 cells with NSAIDs results in time- and dose-dependent induction of apoptosis, accompanied by sustained activation of all three MAP kinase subfamilies. The SB203580, a p38 MAP kinase inhibitor, reduced indomethacin-induced cell death by 43%, while PD098059, a MAPK/ERK kinase (MEK)1 inhibitor, did not affect cell death. p38 MAP kinase and caspase-3 activation were not significantly interlinked in indomethacin-induced apoptosis. From these results, we conclude that NSAIDs can induce prolonged activation of MAP kinases in colon cancer cells and that, of these, p38 MAP kinase may play a partial but significant role in indomethacin-induced apoptosis.
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Affiliation(s)
- T I Kim
- Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
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Kim YS, Jin SH, Lee YH, Park JD, Kim SI. Differential expression of protein kinase C subtypes during ginsenoside Rh2-lnduced apoptosis in SK-N-BE(2) and C6Bu-1 cells. Arch Pharm Res 2000; 23:518-24. [PMID: 11059834 DOI: 10.1007/bf02976583] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
We examined the modulation of protein kinase C (PKC) subtypes during apoptosis induced by ginsenoside Rh2 (G-Rh2) in human neuroblastoma SK-N-BE(2) and rat glioma C6Bu-1 cells. Apoptosis induced by G-Rh2 in both cell lines was confirmed, as indicated by DNA fragmentation and in situ strand breaks, and characteristic morphological changes. During apoptosis induced by G-Rh2 in SK-N-BE(2) cells, PKC subtypes alpha, beta and gamma were progressively increased with prolonged treatment, whereas PKC delta increased transiently at 3 and 6 h and PKC epsilon was gradually down-regulated after 6 h following the treatment. On the other hand, PKC subtype zeta markedly increased at 24 h when maximal apoptosis was achieved. In C6Bu-1 cells, no significant changes in PKC subtypes alpha, gamma, delta, epsilon and zeta were observed during apoptosis induced by G-Rh2. These results suggest the evidence for a possible role of PKC subtype in apoptosis induced by G-Rh2 in SK-N-BE(2) cells but not in C6Bu-1 cells, and raise the possibility that G-Rh2 may induce apoptosis via different pathways interacting with or without PKC in different cell types.
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Affiliation(s)
- Y S Kim
- Korea Ginseng and Tobacco Research Institute, Youseong-Gu, Taejon.
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Affiliation(s)
- S K Choi
- Department of Polymer Science and Engineering, Hannam University, 133 Ojung-dong, Daeduck-gu, Taejon 306-791, Korea
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Abstract
In ginsenoside Rh2-treated rat glioma C6Bu-1 cells, apoptotic morphological changes, such as cell shrinkage, chromatin condensation and pyknosis were confirmed by means of electron microscopy. To evaluate whether induction of apoptosis by ginsenoside Rh2 is mediated by the members of Bcl-2 family, we first established C6Bu-1 cells overexpressing Bcl-2. It was demonstrated that the expression of Bcl-2, Bcl-xL and Bax was not altered in ginsenoside Rh2-treated C6Bu-1 cells. Bcl-2 overexpressing C6Bu-1 cells failed to prevent from ginsenoside Rh2-induced cell death. These results suggest the existence of other apoptotic pathway that requires induction of apoptosis by ginsenoside Rh2 rather than the pathway through Bcl-2, Bcl-xL or Bax in C6Bu-1 cells.
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Affiliation(s)
- Y S Kim
- Korea Ginseng and Tobacco Research Institute, Taejon.
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Jin SH, Park JK, Nam KY, Park SN, Jung NP. Korean red ginseng saponins with low ratios of protopanaxadiol and protopanaxatriol saponin improve scopolamine-induced learning disability and spatial working memory in mice. J Ethnopharmacol 1999; 66:123-129. [PMID: 10433468 DOI: 10.1016/s0378-8741(98)00190-1] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The effects of two ginseng saponins having a different ratio of protopanaxadiol (PD) and protopanaxatriol saponins (PT) on the learning impairment induced by scopolamine, and learning and memory in mice were investigated in a passive avoidance task and a Morris water maze task. The ratio of PD and PT was 1.24 and 1.46, respectively. Before training, the ginseng saponins were administered intraperitoneally at doses of 50 and 100 mg/kg. The two saponins improved the scopolamine-induced learning impairment at different dosages in mice, 50 and 100 mg/kg, respectively. However, the two saponins did not show a favorable effect on learning and memory in normal mice. Korean red ginseng saponin with a low PD/PT ratio had an improving effect on spatial working memory, but the saponin with a high PD/PT ratio did not. This finding suggests that the PD/PT ratio of the ginseng saponins may be an important factor in the pharmacological role of red ginseng as a medicinal herb.
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Affiliation(s)
- S H Jin
- Department of Biochemical Pharmacology, Korea Ginseng & Tobacco Research Institute, Taejon, South Korea
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Koh KK, In HH, Lee KH, Kim EJ, Cho CH, Cho SK, Kim SS, Cho SS, Baek WK, Jin SH, Ju YC, Kim JJ, Park CS, Nam HS, Lee YH. New scoring system using tumor markers in diagnosing patients with moderate pericardial effusions. Int J Cardiol 1997; 61:5-13. [PMID: 9292326 DOI: 10.1016/s0167-5273(97)02943-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
We performed diagnostic and therapeutic pericardiostomy with drainage and biopsy in 51 patients with moderate to large pericardial effusions of different etiologies from August 1991 to July 1995. Patients were divided into 4 groups (group 1, tuberculous pericarditis; group 2, suspected tuberculous pericarditis; group 3, acute pericarditis; group 4, malignancy). The pericardial fluid adenosine deaminase level in tuberculosis (87 +/- 10 U/l) was significantly higher than that in malignancy or acute pericarditis (21 +/- 4 U/l, 23 +/- 7 U/l, respectively) (P = 0.0001). The mean pericardial fluid carcinoembryonic antigen level (1.8 +/- 0.3 ng/ml) in benign disease was significantly lower than that (170.7 +/- 46.4 ng/ml) in malignant disease (P = 0.0001). Follow-up study has been done. With a new scoring system (each score 1 for adenosine deaminase > or = 40 U/l, or carcinoembryonic antigen < or = 5 ng/ml) in 25 patients since November 1993, we could diagnose 5 among 7 patients (71%) with tuberculosis, 11 among 13 patients (85%) with malignancy (adenosine deaminase < or = 40 U/l, or carcinoembryonic antigen > or = 5 ng/ml) and 5 among 5 patients (100%) with acute pericarditis (adenosine deaminase < or = 40 U/l, or carcinoembryonic antigen < or = 5 ng/ml), respectively. Our long-term follow-up study suggests that with the new scoring system we can decrease complications or avoid unnecessary procedures or treatments of patients.
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Affiliation(s)
- K K Koh
- Division of Cardiology, Inha University Hospital, Korea
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Hu CQ, Yang MZ, Zhang DC, Liu W, Wu Q, Liang H, Jin SH. [Studies on sultamicillin hydrolysis]. Yao Xue Xue Bao 1997; 32:553-7. [PMID: 11596284] [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: 02/21/2023]
Abstract
Sultamicillin is an oral mutual pro-drug composed of double esters of formaldehyde hydrate in which one of the hydroxyl groups is esterified with ampicillin and the other with sulbactam. It is hydrolyzed fast in neutral or weakly alkaline condition. When hydrolyzed, it forms ampicillin and hydroxylmethyl sulbactam or sulbactam and hydroxylmethyl ampicillin by different routes. Usually, the former has priority as the two ester bonds have different activities. The ratio of ampicillin to sulbactam in the products is about 3:1. Both the hydroxylmethyl sulbactam and the hydroxylmethyl ampicillin can be further catalyzed by esterase to produce formaldehyde.
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Affiliation(s)
- C Q Hu
- National Institute for the Control of Pharmaceutical and Biological Products, Beijing 100050
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Wagner B, Fattorini L, Wagner M, Jin SH, Stracke R, Amicosante G, Franceschini N, Orefici G. Antigenic properties and immunoelectron microscopic localization of Mycobacterium fortuitum beta-lactamase. Antimicrob Agents Chemother 1995; 39:739-45. [PMID: 7793883 PMCID: PMC162615 DOI: 10.1128/aac.39.3.739] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Mycobacterium fortuitum is a fast-growing Mycobacterium species which produces a beta-lactamase involved in the intrinsic resistance of the microorganism to beta-lactam antibiotics. An anti-beta-lactamase serum against the purified enzyme was raised in rabbits. Antibody binding was specific for native beta-lactamase, and enzyme activity was partially inhibited by the serum; furthermore, cross-reactions with denatured class A beta-lactamases were observed. This serum was used as a probe in immunogold labeling for the localization of the cell-bound beta-lactamase in both the low-level producer ATCC 19542 (parental strain) and the overproducer mutant D316. By the combination of preembedding immunogold labeling and replica technique, it was shown that the beta-lactamase was uniformly distributed on the whole external cell surface, where it appeared to be associated with a Tween 80-removable capsule-like material. Compared with the parental strain, a much higher level of expression of surface enzyme was observed in strain D316. Surface labeling was more intense in the stationary phase of growth than in exponentially growing cells. The data obtained are interpreted in the context of the intrinsic resistance of M. fortuitum to beta-lactam antibiotics.
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Affiliation(s)
- B Wagner
- Institute of Experimental Microbiology, University of Jena, Germany
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Abstract
The vast majority of sinus of Valsalva aneurysm originated from a localized congenital defect of the aortic media and less frequently from infections or degenerative processes affecting the aortic wall. But aneurysm of sinus of Valsalva has not been reported up to the present in a patient with Behçet's disease. We report a 39-year-old woman presenting ruptured aneurysm of the sinus of Valsalva and Behçet's disease.
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Affiliation(s)
- K K Koh
- Division of Cardiology, Inha University Hospital, Kyunggi-do, Korea
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Koh KK, Kim EJ, Cho CH, Choi MJ, Cho SK, Kim SS, Kim MH, Lee CJ, Jin SH, Kim JM. Adenosine deaminase and carcinoembryonic antigen in pericardial effusion diagnosis, especially in suspected tuberculous pericarditis. Circulation 1994; 89:2728-35. [PMID: 8205688 DOI: 10.1161/01.cir.89.6.2728] [Citation(s) in RCA: 71] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
BACKGROUND Adenosine deaminase (ADA) and carcinoembryonic antigen (CEA) have been measured in pleural fluid to help distinguish malignant from benign effusions, especially in tuberculous pleurisy. We investigated ADA and CEA levels in patients with moderate to large pericardial effusions of different etiologies. METHODS AND RESULTS We performed diagnostic and therapeutic pericardiostomy with drainage and biopsy. We measured ADA and CEA levels in the pericardial fluid in 26 patients with moderate to large pericardial effusion and 19 control patients. Patients were included in a prospective protocol from August 1991 to August 1993. Patients were grouped as follows: group 1, 9 patients with tuberculous pericarditis (TP) confirmed by bacteriologic culture or histology of pericardial biopsy; group 2, 5 patients with clinically strongly suspected TP; group 3, 12 patients with malignancy (8) and acute pericarditis (4); group 4, 19 control patients without pericardial disease. We treated patients with TP with isoniazid, rifampin, and either streptomycin or ethambutol for 12 months and pyrazinamide for 2 months. We observed for symptoms and signs of recurrent pericarditis or constrictive pericarditis on follow-up. In group 1 the ADA activity was significantly higher (101 +/- 14 U/L) than that in group 3 (22 +/- 5 U/L) or that in group 4 (17 +/- 2 U/L) (P < .05). There was no significant difference between ADA activity in group 1 (101 +/- 14 U/L) and that in group 2 (100 +/- 26 U/L). With a cutoff value for ADA activity of 40 U/L, sensitivity was 93% and specificity 97% in the diagnosis of TP. In benign diseases, the CEA level was significantly lower (1.0 +/- 0.3 ng/mL) than that in malignant diseases (135.1 +/- 79.7 ng/mL) (P < .05). With a cutoff value for CEA level of 5 ng/mL, sensitivity was 75% and specificity 100% in the diagnosis of malignant pericarditis. Follow-up study (mean, 12.9, 19.8, and 11.8 months in groups 1, 2, and 3, respectively, showed no symptoms or signs of constrictive pericarditis, except for 1 patient. CONCLUSIONS Pericardial fluid ADA and CEA are useful for the differential diagnosis of pericardial effusion of various causes. They also have great value in early diagnosis of TP, particularly when the results of other clinical and laboratory tests are negative.
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Affiliation(s)
- K K Koh
- Department of Internal Medicine, Inha University Hospital, Korea
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Yang RC, Yang SL, Jin SH, Chen HW, Jong YJ, Chen SS, Suzuki Y. Detection of dystrophin gene deletion in Chinese Duchenne/Becker muscular dystrophy patients utilizing multiplex polymerase chain reaction. Gaoxiong Yi Xue Ke Xue Za Zhi 1994; 10:1-8. [PMID: 8176762] [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: 01/29/2023]
Abstract
Multiplex PCR was utilized to detect deletions at the hot spot regions of dystrophin gene. Thirty-four cases of DMD and 7 cases of BMD, based on their clinical manifestations, were examined. Eight normal male adults were included as control. Eleven DNA fragments coding the exons 1, 3, 6, 8, 13, 17, 43, 47, 50, 52 and 60 were chosen and primers were prepared with oligonucleotide synthesizer. Multiplex PCR was performed under the condition of 94 degrees C 1 minute for denaturation, 65 degrees C 3 minutes for annealing, 72 degrees C 3 minutes for extension. Thirty cycles were followed by a last cycle with 7 minutes extension. Clinically, there were no significant differences between Chinese patients and those reported in other areas except the low rate of positive family history (32%). The results from multiplex PCR showed that 15 cases (37%), 11 DMD and 4 BMD, proved to have deletions in the exons studied; 1 located at exons 6 and 8, 1 at exon 8, 1 at exons 8, 13 and 17, 1 at exons 13 and 17, 1 at exon 17, 3 at exon 43, 1 at exon 50, and 3 at exons 50 and 52, after false negatives were excluded. No difference in size or location was noticed between DMD and BMD in the sample-limited result.
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Affiliation(s)
- R C Yang
- Department of Physiology, Kaohsiung Medical College, Taiwan, Republic of China
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Affiliation(s)
- J Yoon
- Department of Internal Medicine, Inha University Hospital, Korea
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Fattorini L, Orefici G, Jin SH, Scardaci G, Amicosante G, Franceschini N, Chopra I. Resistance to beta-lactams in Mycobacterium fortuitum. Antimicrob Agents Chemother 1992; 36:1068-72. [PMID: 1510395 PMCID: PMC188837 DOI: 10.1128/aac.36.5.1068] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
It is widely assumed that the high level of intrinsic resistance to beta-lactam antibiotics exhibited by mycobacteria results from the combination of factors including permeability to the drugs, beta-lactamase production, and affinity for penicillin-binding proteins (PBPs). We conducted an evaluation of the second and third factors by isolating nitrosoguanidine-induced mutants from the beta-lactamase-producing strain Mycobacterium fortuitum ATCC 19542 that displayed either elevated or reduced resistance to various beta-lactam antibiotics. The mutants studied included D1 (a beta-lactamase producer with high penicillin resistance), gamma 27 (a low-level beta-lactamase producer with low penicillin resistance), and D316 (a high-level beta-lactamase producer with high penicillin resistance). In all strains examined, four major PBPs, named 1, 2a, 2b, and 3, with apparent molecular weights of 102,000, 90,000, 87,000, and 50,000, respectively, were found. The MICs of various beta-lactams toward ATCC 19542 and its mutants were considered in the context of beta-lactamase production, the quantity of PBPs synthesized, and their affinities for beta-lactam antibiotics. The data obtained show that beta-lactamase production is likely to be an important factor in the expression of resistance by clinical isolates and that PBP alterations can contribute to resistance at least in laboratory-derived mutants.
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Affiliation(s)
- L Fattorini
- Laboratory of Bacteriology and Medical Mycology, Istituto Superiore di Sanità, Rome, Italy
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Fattorini L, Hu CQ, Jin SH, Santoro C, Tsang AY, Mascellino MT, Mandler F, Orefici G. Activity of antimicrobial agents against Mycobacterium avium-intracellulare complex (MAC) strains isolated in Italy from AIDS-patients. Zentralbl Bakteriol 1992; 276:512-20. [PMID: 1611208] [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: 12/27/2022]
Abstract
Twenty-five strains of Mycobacterium avium-intracellulare (MAC) isolated from acquired immunodeficiency syndrome (AIDS) patients in three medical centres in Italy have been studied. Serotyping performed on eighteen strains showed various serovars within either M. avium or M. intracellulare serotypes and with serovars 1 and 21 being the most prevalent (four strains for each serovar). Among fourteen drugs used for testing the antibiotic sensitivity, rifapentine, rifabutin and clofazimine showed to have the best in vitro activity. In an ex vivo model of infection using peritoneal resting macrophages from the C57BL/6 mouse, the intracellular viability of a strain of M. avium (strain 489, serovar 3) was reduced by clofazimine, amikacin, ciprofloxacin, rifabutin and clarithromycin (99, 98, 93, 89 and 69%, respectively), thus indicating for clofazimine a good correlation between in vitro and ex vivo activity.
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Affiliation(s)
- L Fattorini
- Laboratory of Bacteriology and Medical Mycology, Istituto Superiore di Sanità, Rome, Italy
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Fattorini L, Scardaci G, Jin SH, Amicosante G, Franceschini N, Oratore A, Orefici G. Beta-lactamase of Mycobacterium fortuitum: kinetics of production and relationship with resistance to beta-lactam antibiotics. Antimicrob Agents Chemother 1991; 35:1760-4. [PMID: 1952844 PMCID: PMC245264 DOI: 10.1128/aac.35.9.1760] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The kinetics of both intracellular and extracellular beta-lactamase production and the relationship between extracellular enzyme and in vitro susceptibility of Mycobacterium fortuitum to beta-lactam antibiotics have been studied. To this end we used a panel of stable nitrosoguanidine-induced mutants of M. fortuitum derived from the parental strain ATCC 19542 and differing in beta-lactamase production from 0.0001 to 278 U/liter in Mueller-Hinton broth. For overproducers of beta-lactamase (mutants A188, B180, C207, D316, and E31), MICs of benzylpenicillin, amoxicillin, ampicillin, and cephaloridine progressively increased with the amount of enzyme released into the medium, whereas MICs of imipenem and cefoxitin did not. The resistance of the mutants to amoxicillin was reduced up to 32-fold by clavulanic acid, whereas that to ampicillin was reduced 8-fold by sulbactam. These data suggest that the enzyme participated in the mechanisms of resistance to the beta-lactam antibiotics. However, for a mutant of M. fortuitum (gamma 27) with virtually nonexistent beta-lactamase production, the antibiotics still had relatively high MICs (for instance, benzylpenicillin and cephaloridine had MICs of 64 and 32 micrograms/ml, respectively). This suggests that, aside from beta-lactamase production, other mechanisms such as cell wall permeability and/or affinity for penicillin-binding proteins could coexist in M. fortuitum and explain its natural resistance to beta-lactam antibiotics.
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Affiliation(s)
- L Fattorini
- Laboratory of Bacteriology and Medical Mycology, Istituto Superiore di Sanità, Rome, Italy
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Hu CQ, Jin SH, Sun XL, Ren MD. [Fuzzy cluster for analysis of the relationship between the structure of cephalosporins and immune cross-reaction]. Zhongguo Yao Li Xue Bao 1990; 11:400-6. [PMID: 1718142] [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: 12/28/2022]
Abstract
Six parameters (molecular negentropy, acidic group number, basic group number, proton donor group number, proton acceptor group number, and a ratio of C atomic group number to total atomic group number) for characterizing the structure of an antibody combining site in a R1 chain of cephalosporins were selected. Although 12 parameters characterized the site A and site B in a R1 chain were used in fuzzy cluster, Fischer weighting ratio (Fi) indicated that only 5 parameters, 4 of them characterized the structure of site A, play an important part in the cluster. Therefore it was speculated that the site A was the major combining site in the antigen-antibody interaction. According to the similarity of the R1 chains, cephalosporins could be clustered into 4 groups among which less cross-reaction took place. Using the "relative Hamming distance" of the R1 chains for description of their similarity, we found that the intensity of the cross-reaction assayed by immune tests had a close correlation with the "relative Hamming distance", so the distance was used for prediction of the intensity of the cross-reaction of cephalosporins.
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Affiliation(s)
- C Q Hu
- National Institute for the Control of Pharmaceutical and Biological Products, Beijing, China
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Hsu CC, Chen TJ, Jin SH, Chen SS. [Electrophysiological studies of acute anoxic hypoxia]. Gaoxiong Yi Xue Ke Xue Za Zhi 1989; 5:670-5. [PMID: 2634784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This study was designed to analyse the effects of acute anoxic hypoxia on brainstem auditory evoked potentials (BAEPs) and electroencephalogram (EEG) and identify their sensitivities of response. After ether anesthesia, endotracheal intubation was performed on 20 adult Long-Evans rats. Relaxin was injected to immobilize the rats and a rodent respirator was provided for artificial ventilation. Acute anoxic hypoxia was induced by apnea with abrupt cessation of the respirator. The BAEPs and EEG were monitored and analyzed continuously before, during and after hypoxia. Experimental hypoxia was induced initially for 3 minutes and, after recovery, for another 5 minutes. Elapsed time was recorded as the waves altered or became flat. Characteristic wave changes were observed, which included delta bursts, epileptic discharges and alpha coma activity in the EEG; and decreased amplitude or delayed latency in the BAEPs. In all experiments, EEG flattening (71.80 +/- 7.80 sec) significantly preceded the flattening of the BAEPs (146.90 +/- 7.00 sec; Wilcoxon signed rank test, p less than 0.01). However, recovery after reoxygenation was more rapid in the BAEPs than in the EEG (162.80 +/- 18.90, 208.20 +/- 17.90 sec, Wilcoxon signed rank test, p less than 0.05). BAEP loss began with the later waves. In the EEG, during the recovery period epileptogenic foci (45%), delta bursting (45%) or alpha coma activity (40%) appeared. The isoelectric EEG and BAEPs were reversible in 12 of the 18 rats after 3-minutes of apnea and immediately followed by reoxygenation. The results of this study indicate the functional vulnerability of the various structures of the nervous system in regard to hypoxia.
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Hu CQ, Zhao JX, Jin SH. [Immediate type anaphylaxis of streptomycin allergy elicited by streptomycin polymers]. Zhongguo Yao Li Xue Bao 1989; 10:424-8. [PMID: 2618730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
It has been known that streptomycin (SM) can cause some immediate type anaphylaxis even anaphylactic shock in clinical therapy. The characteristic of the substance that elicits the allergic reaction has not been reported. Using gel filtration and high performance gel permeation chromatography (HPGPC), we have found that some impurities of high molecular weights (HMW) were formed by heating acidic SM solution. The HMW impurities had a colour reaction with citric acid-acetic anhydride reagent and elicited passive cutaneous anaphylaxis (PCA) on guinea pigs sensitized with rabbit anti-SM-BSA serum and general anaphylaxis in guinea pigs immunized by SM-BSA. It is suggested that the impurities, SM polymers (poly-SM) related to some reactions on amino groups of SM, are the allergens of SM allergy.
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Chen SS, Chen TJ, Chiou SS, Jin SH, Chiou YW, Lee KT, Chen YH, Chang TT. [Erythrocyte deformability in experimental state and diseased RBC]. Gaoxiong Yi Xue Ke Xue Za Zhi 1989; 5:270-6. [PMID: 2778859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
By Reid's functional test of erythrocyte deformability, the filtration time of 1 ml 5% erythrocyte suspension through a 5 micron nucleopore membrane was measured from 18 normal people and 19 patients with thalassemia. In the control group, the filtration time at 37.0 degrees C and pH 7.4 was 3.26 +/- 0.38 sec. Erythrocyte deformability was constant while blood temperature stayed between 35.0 degrees C and 42.0 degrees C. However the erythrocyte filtration time prolonged as the blood became alkaline or incubated for more than 2 hours. The filtration time of blood was 4.56 +/- 1.02 sec for thalassemia patients, significantly different (p less than 0.01) as comparing to the normal control group. Poor deformability in diseased blood could be explained by membrane defect. Erythrocyte deformability is a good rheological indicator if the physiological conditions of blood is controlled well.
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50
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Liu YX, Jin SH, Jin Q, Zhao XH, Wang MF, Dong WP. [Interaction of human embryo cells derived from different tissues with lymphoblastoid cell lines]. Zhonghua Zhong Liu Za Zhi 1986; 8:336-8. [PMID: 3032543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Cells from skin and muscle of two month human embryo and from nasopharynx, tonsil, lung and kidney of four month human embryo were cocultivated with lymphoblastoid cells--B95-8 and Raji. It is found that all the epithelial cells, such as the focal growth of epithelioid cells from the tonsil and nasopharynx as well as kidney cells from the human embryo can not adhere to any kind of lymphoblastoid cells; but fibroblasts from muscle and skin of two month embryo or from nasopharynx, tonsil and lung of four month embryo have the ability of sticking to lymphoblastoid cells. However, only the fibroblastoid cells from the nasopharynx of human embryo have the ability to stick and to fuse with lymphoblastoid cells--B95-8 in cocultivation and to activate the EBV production. The mechanism of this phenomenon and its biological functions will be studied in detail.
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