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Chen QC, Shen JJ, Huang YL, Kong R, Xie YM, Wang SS. Discrepancy between arterial oxygen saturation and pulse oximetry measurement in a Chinese pediatric patient cohort. Heliyon 2024; 10:e28336. [PMID: 38560171 PMCID: PMC10981058 DOI: 10.1016/j.heliyon.2024.e28336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 04/04/2024] Open
Abstract
Background Increasing evidence suggest a racial bias in pulse oximetry measurement, but this was under investigated in Asian pediatric populations. Methods Via the Pediatric Intensive Care database, this retrospective study included pediatric patient records of arterial oxygen saturation (SaO2) and oxygen saturation on pulse oximetry (SpO2) measured within 10 min. Discrepancy was examined, and potential predictors of occult hypoxemia (defined as SaO2 <88% with the paired SpO2 ≥92%) as well as its association with outcomes were explored by logistic regression. Results A total of 390 patients were included with 454 pairs of SaO2-SpO2 readings. The study population consisted of Han Chinese (99.0%) and 43.6% were female. Occult hypoxemia was observed in 20.0% of the patients, with a mean SaO2 of 71.4 ± 15.8%. Potential predictors of occult hypoxemia included female, being first admitted to cardiac ICU, congenital heart disease, increased heart rate, while patients with prior surgery records were less likely to experience occult hypoxemia. Patients with occult hypoxemia had numerically higher in-ICU mortality (16.7% versus 10.9%) and in-hospital mortality (17.9% versus 10.9%), but the associations were not statistically significant. Conclusions There was a substantial proportion of hypoxemia that was not detected by pulse oximetry in the Chinese pediatric patients, which might be predicted by several characteristics and seemed to associate with mortality.
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Affiliation(s)
| | | | | | - Ran Kong
- Department of Pediatric Cardiology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510000, China
| | - Yu-mei Xie
- Department of Pediatric Cardiology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510000, China
| | - Shu-shui Wang
- Department of Pediatric Cardiology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, 510000, China
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Zhong G, Kong R, Feng S, Wang C, Hao Q, Xie W, Zhou X. Targeted protein degradation in hematologic malignancies: latest updates from the 2023 ASH annual meeting. J Hematol Oncol 2024; 17:14. [PMID: 38520028 PMCID: PMC10960432 DOI: 10.1186/s13045-024-01533-w] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 03/11/2024] [Indexed: 03/25/2024] Open
Abstract
Protein degraders, emerging as a novel class of therapeutic agents, have gained widespread attention due to their advantages. They have several advantages over traditional small molecule inhibitors, including high target selectivity and ability to target "undruggable" targets and overcome inhibitor drug resistance. Tremendous research and development efforts and massive investment have resulted in rapid advancement of protein degrader drug discovery in recent years. Here, we overview the latest clinical and preclinical updates on protein degraders presented at the 2023 ASH Annual Meeting.
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Affiliation(s)
- Guangcai Zhong
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No.324, Jingwu Road, Jinan, 250021, Shandong, China
- Medical Science and Technology Innovation Center, Shandong First Medical University, Shandong Academy of Medical Sciences, Jinan, 250117, China
| | - Ran Kong
- Department of Hematology, Shandong Provincial Hospital, Shandong University, No.324, Jingwu Road, Jinan, 250021, Shandong, China
| | - Shi Feng
- Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Cong Wang
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No.324, Jingwu Road, Jinan, 250021, Shandong, China
| | - Qingbo Hao
- Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Weilin Xie
- Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China.
| | - Xiangxiang Zhou
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No.324, Jingwu Road, Jinan, 250021, Shandong, China.
- Medical Science and Technology Innovation Center, Shandong First Medical University, Shandong Academy of Medical Sciences, Jinan, 250117, China.
- Department of Hematology, Shandong Provincial Hospital, Shandong University, No.324, Jingwu Road, Jinan, 250021, Shandong, China.
- National Clinical Research Center for Hematologic Diseases, The First Affiliated Hospital of Soochow University, Suzhou, 251006, China.
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Bi Y, Kong R, Peng Y, Cai D, Zhang Y, Yang F, Li X, Deng W, Liu F, He B, Cao C, Deng C, Tang X, Fan L, Yu H, Zhou Z. Multiply restimulated human cord blood-derived Tregs maintain stabilized phenotype and suppressive function and predict their therapeutic effects on autoimmune diabetes. Diabetol Metab Syndr 2024; 16:71. [PMID: 38515175 PMCID: PMC10956208 DOI: 10.1186/s13098-024-01277-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Accepted: 01/24/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND Regulatory T cells (Tregs) are involved in the maintenance of immune homeostasis and immune regulation. Clinical trials on the adoptive transfer of Tregs have been ongoing for > 10 years. However, many unresolved issues remain in the production of readymade Treg products and selection of patients. Hence, this study aimed to develop a method to expand off-the-shelf Tregs derived from umbilical cord blood (UCB-Tregs) in vitro without changing their phenotype and inhibitory function. In addition, the study intended to design an approach to precisely select patients who are more likely to benefit from the adoptive Treg transfer therapy. METHODS UCB-Tregs were isolated and cultured in a medium containing human recombinant IL-2 and rapamycin and then multiply restimulated with human T-activator CD3/CD28 dynabeads. The phenotype and suppressive capacity of Tregs were assessed on days 18 and 42. The relationship between the suppressive function of UCB-Tregs in vitro and clinical indicators was analyzed, and the ability of the in vitro suppressive capacity to predict the in vivo therapeutic effects was evaluated. RESULTS UCB-Tregs expanded 123-fold and 5,981-fold at 18 and 42 days, respectively. The suppressive function of UCB-Tregs on the proliferation of immune cells at 42 days was not significantly different compared with that of UCB-Tregs obtained at 18 days. The suppression rate of UCB-Tregs to PBMCs was negatively correlated with the course of diabetes. Moreover, the high-suppression group exhibited a better treatment response than the low-suppression group during the 12-month follow-up period. CONCLUSIONS Multiply restimulated UCB-Tregs expanded at a large scale without any alterations in their classical phenotypic features and inhibitory functions. The suppressive function of Tregs in vitro was negatively correlated with the disease duration. The present study revealed the possibility of predicting the in vivo therapeutic effects via the in vitro inhibition assay. Thus, these findings provided a method to obtain off-the-shelf Treg products and facilitated the selection of patients who are likely to respond to the treatment, thereby moving toward the goal of precision treatment.
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Affiliation(s)
- Yuanjie Bi
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Ran Kong
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yani Peng
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Donghua Cai
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yu Zhang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Fan Yang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Xia Li
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Wen Deng
- Department of Obstetrics and Gynecology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Fang Liu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Binbin He
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Chuqing Cao
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Chao Deng
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Xiaohan Tang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Li Fan
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Haibo Yu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhiguang Zhou
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China.
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Li X, Kong R, Hou W, Cao J, Zhang L, Qian X, Zhao L, Ying W. Integrative proteomics and n-glycoproteomics reveal the synergistic anti-tumor effects of aspirin- and gemcitabine-based chemotherapy on pancreatic cancer cells. Cell Oncol (Dordr) 2024; 47:141-156. [PMID: 37639207 DOI: 10.1007/s13402-023-00856-z] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/03/2023] [Indexed: 08/29/2023] Open
Abstract
OBJECTIVE AND DESIGN Pancreatic cancer is a highly malignant tumor that is well known for its poor prognosis. Based on glycosylation, we performed integrated quantitative N-glycoproteomics to investigate the synergistic anti-tumor effects of aspirin and gemcitabine on pancreatic cancer cells and explore the potential molecular mechanisms of chemotherapy in pancreatic cancer. METHODS AND RESULTS Two pancreatic cancer cell lines (PANC-1 and BxPC-3) were treated with gemcitabine, aspirin, and a combination (gemcitabine + aspirin). We found that the addition of aspirin enhanced the inhibitory effect of gemcitabine on the activity of PANC-1 and BxPC-3 cells. Quantitative N-glycoproteome, proteome, phosphorylation, and transcriptome data were obtained from integrated multi-omics analysis to evaluate the anti-tumor effects of aspirin and gemcitabine on pancreatic cancer cells. Mfuzz analysis of intact N-glycopeptide profiles revealed two consistent trends associated with the addition of aspirin, which showed a strong relationship between N-glycosylation and the synergistic effect of aspirin. Further analysis demonstrated that the dynamic regulation of sialylation and high-mannose glycoforms on ECM-related proteins (LAMP1, LAMP2, ITGA3, etc.) was a significant factor for the ability of aspirin to promote the anti-tumor activity of gemcitabine and the drug resistance of pancreatic cancer cells. CONCLUSIONS In-depth analysis of N-glycosylation-related processes and pathways in pancreatic cancer cells can provide new insight for future studies regarding pancreatic cancer therapeutic targets and drug resistance mechanisms.
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Affiliation(s)
- Xiaoyu Li
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38 Life Park Road, Changping District, Beijing, 102206, China
- Institute of Analysis and Testing, Beijing Center for Physical & Chemical Analysis), Beijing Academy of Science and Technology, Beijing, 100094, China
| | - Ran Kong
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38 Life Park Road, Changping District, Beijing, 102206, China
- Biomedical Engineering Department, Peking University, Beijing, 100191, China
| | - Wenhao Hou
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38 Life Park Road, Changping District, Beijing, 102206, China
| | - Junxia Cao
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38 Life Park Road, Changping District, Beijing, 102206, China
| | - Li Zhang
- Center for Bioinformatics and Computational Biology, School of Life Sciences, Institute of Biomedical Sciences, East China Normal University, Shanghai, China
| | - Xiaohong Qian
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38 Life Park Road, Changping District, Beijing, 102206, China
| | - Lijiao Zhao
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, No. 100 Ping Le Yuan, Chaoyang District, Beijing, 100124, China.
| | - Wantao Ying
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, No. 38 Life Park Road, Changping District, Beijing, 102206, China.
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Lv L, Zhang Y, Kong R, Wang C, Wang X, Zhou X. Identification of pyroptosis-related signature and development of a novel prognostic model in diffuse large B-cell lymphoma. J Cancer Res Clin Oncol 2023; 149:12677-12690. [PMID: 37452851 DOI: 10.1007/s00432-023-05018-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 06/20/2023] [Indexed: 07/18/2023]
Abstract
PURPOSE Emerging evidence suggests that pyroptosis plays an essential role in the development and progression of multiple cancers. However, the role of pyroptosis remains elusive in diffuse large B-cell lymphoma (DLBCL). METHODS The expression profile data of DLBCL and normal samples of pyroptosis-related genes (PRGs) were analyzed, and the clinical characteristics of DLBCL patients were further investigated. A prognostic model was established using LASSO-Cox regression analysis. The expression of these PRGs was validated by qRT-PCR in DLBCL cell lines. Cell proliferation assay and flow cytometry were utilized to explore the impact of pyroptosis inhibitor (disulfiram, DSF) combined with PD1/PD-L1 inhibitor (BMS1166) on DLBCL cell proliferation. RESULTS Most PRGs were dysregulated in DLBCL samples and associated with overall survival (OS). Six PRGs were selected to construct a prognostic risk score model. The qRT-PCR analysis revealed that CASP8, CASP9, NLRP1, NLRP6, and TIRAP are downregulated, while SCAF11 was significantly upregulated in DLBCL cell lines. This prognostic model divided DLBCL patients into low-risk and high-risk groups. Patients in the low-risk group exhibited lower mortality and longer OS than those in the high-risk group. The ROC curve and nomogram demonstrated this model's excellent predictive performance. GO and KEGG enrichment indicated that the differentially expressed genes (DEGs) between subgroups were associated with cellular protein modification processes and JAK-STAT signaling pathway regulation. Moreover, the risk score was correlated with the immune profile. Cell proliferation assay and flow cytometry further validated the synergistic anti-tumor effects of DSF and BMS1166 on DLBCL cells. CONCLUSION In summary, we developed a comprehensive prognostic model based on PRGs characteristics, which accurately predicted the prognosis of DLBCL patients. Pyroptosis-targeting coupled with immunotherapies would be a promising therapeutic strategy for DLBCL.
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Affiliation(s)
- Liemei Lv
- Department of Hematology, Shandong Provincial Hospital, Shandong University, No.324, Jingwu Road, Jinan, 250021, Shandong, China
| | - Yu Zhang
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Ran Kong
- Department of Hematology, Shandong Provincial Hospital, Shandong University, No.324, Jingwu Road, Jinan, 250021, Shandong, China
| | - Cong Wang
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Xin Wang
- Department of Hematology, Shandong Provincial Hospital, Shandong University, No.324, Jingwu Road, Jinan, 250021, Shandong, China.
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China.
- Branch of National Clinical Research Center for Hematologic Diseases, Jinan, 250021, Shandong, China.
- National Clinical Research Center for Hematologic Diseases, The First Affiliated Hospital of Soochow University, Suzhou, 251006, China.
| | - Xiangxiang Zhou
- Department of Hematology, Shandong Provincial Hospital, Shandong University, No.324, Jingwu Road, Jinan, 250021, Shandong, China.
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China.
- Branch of National Clinical Research Center for Hematologic Diseases, Jinan, 250021, Shandong, China.
- National Clinical Research Center for Hematologic Diseases, The First Affiliated Hospital of Soochow University, Suzhou, 251006, China.
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Bi Y, Kong R, Peng Y, Yu H, Zhou Z. Umbilical cord blood and peripheral blood-derived regulatory T cells therapy: Progress in type 1 diabetes. Clin Immunol 2023; 255:109716. [PMID: 37544491 DOI: 10.1016/j.clim.2023.109716] [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: 05/15/2023] [Revised: 07/25/2023] [Accepted: 08/03/2023] [Indexed: 08/08/2023]
Abstract
Regulatory T cells (Tregs) are key regulators for the inflammatory response and play a role in maintaining the immune tolerance. Type 1 diabetes (T1D) is a relatively common autoimmune disease that results from the loss of immune tolerance to β-cell-associated antigens. Preclinical models have demonstrated the safety and efficacy of Tregs given in transplant rejection and autoimmune diseases such as T1D. Adoptive transfer of Tregs has been utilized in clinical trials for over a decade. However, the achievement of the adoptive transfer of Tregs therapy in clinical application remains challenging. In this review, we highlight the characterization of Tregs and compare the differences between umbilical cord blood and adult peripheral blood-derived Tregs. Additionally, we summarize conditional modifications in the expansion of Tregs in clinical trials, especially for the treatment of T1D. Finally, we discuss the existing technical challenges for Tregs in clinical trials for the treatment of T1D.
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Affiliation(s)
- Yuanjie Bi
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Ran Kong
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yani Peng
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Haibo Yu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China.
| | - Zhiguang Zhou
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Hunan Engineering Research Center of Cell Therapy for Diabetes, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China.
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Chen M, Liu W, Xiang P, Xu L, Tang Y, Kong R, Yang S, Yan H, Di B. Development of an LC-MS/MS method for the determination of multiple mycotoxins in human urine. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2023:1-11. [PMID: 37315076 DOI: 10.1080/19440049.2023.2222842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/27/2023] [Accepted: 05/30/2023] [Indexed: 06/16/2023]
Abstract
A sensitive liquid chromatography-tandem mass spectrometry method was developed for the determination of 17 mycotoxins in human urine. The method incorporates a two-step liquid-liquid extraction with ethyl acetate:acetonitrile (7:1), which had good extraction recovery. The LOQs of all mycotoxins ranged from 0.1 to 1 ng/mL. Intra-day accuracy ranged from 94 to 106%, and intra-day precision ranged from 1 to 12% for all mycotoxins. Inter-day accuracy and precision were 95-105% and 2-8%, respectively. The method was successfully applied to investigate the urine levels of 17 mycotoxins from 42 volunteers. Deoxynivalenol (DON, 0.97-9.88 ng/mL) was detected in 10 (24%) urine samples and zearalenone (ZEN, 0.13-1.11 ng/mL) in 2 (5%) urine samples.
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Affiliation(s)
- Mobing Chen
- School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
- Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, P. R. China
| | - Wei Liu
- Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, P. R. China
| | - Ping Xiang
- Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, P. R. China
| | - Linhao Xu
- School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
- Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, P. R. China
| | - Yiling Tang
- School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
- Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, P. R. China
| | - Ran Kong
- Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, P. R. China
| | - Shuo Yang
- School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
- Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, P. R. China
| | - Hui Yan
- Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, P. R. China
| | - Bin Di
- School of Pharmacy, China Pharmaceutical University, Nanjing, P. R. China
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An D, Zhao B, Liu Y, Xu Z, Kong R, Yan C, Su J. Simulation of Photosynthetic Quantum Efficiency and Energy Distribution Analysis Reveals Differential Drought Response Strategies in Two (Drought-Resistant and -Susceptible) Sugarcane Cultivars. Plants (Basel) 2023; 12:1042. [PMID: 36903903 PMCID: PMC10005361 DOI: 10.3390/plants12051042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/17/2023] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
Selections of drought-tolerant cultivars and drought-stress diagnosis are important for sugarcane production under seasonal drought, which becomes a crucial factor causing sugarcane yield reduction. The main objective of this study was to investigate the differential drought-response strategies of drought-resistant ('ROC22') and -susceptible ('ROC16') sugarcane cultivars via photosynthetic quantum efficiency (Φ) simulation and analyze photosystem energy distribution. Five experiments were conducted to measure chlorophyll fluorescence parameters under different photothermal and natural drought conditions. The response model of Φ to photosynthetically active radiation (PAR), temperature (T), and the relative water content of the substrate (rSWC) was established for both cultivars. The results showed that the decreasing rate of Φ was higher at lower temperatures than at higher temperatures, with increasing PAR under well-watered conditions. The drought-stress indexes (εD) of both cultivars increased after rSWC decreased to the critical values of 40% and 29% for 'ROC22' and 'ROC16', respectively, indicating that the photosystem of 'ROC22' reacted more quickly than that of 'ROC16' to water deficit. An earlier response and higher capability of nonphotochemical quenching (NPQ) accompanied the slower and slighter increments of the yield for other energy losses (ΦNO) for 'ROC22' (at day5, with a rSWC of 40%) compared with 'ROC16' (at day3, with a rSWC of 56%), indicating that a rapid decrease in water consumption and an increase in energy dissipation involved in delaying the photosystem injury could contribute to drought tolerance for sugarcane. In addition, the rSWC of 'ROC16' was lower than that of 'ROC22' throughout the drought treatment, suggesting that high water consumption might be adverse to drought tolerance of sugarcane. This model could be applied for drought-tolerance assessment or drought-stress diagnosis for sugarcane cultivars.
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Affiliation(s)
- Dongsheng An
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang Experimental and Observation Station for National Long-Term Agricultural Green Development, Zhanjiang 524091, China
- Zhanjing Experimental Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524013, China
| | - Baoshan Zhao
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang Experimental and Observation Station for National Long-Term Agricultural Green Development, Zhanjiang 524091, China
- Zhanjing Experimental Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524013, China
| | - Yang Liu
- Zhanjing Experimental Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524013, China
- Jiaxing Vocational and Technical College, Jiaxing 314036, China
| | - Zhijun Xu
- Zhanjing Experimental Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524013, China
| | - Ran Kong
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang Experimental and Observation Station for National Long-Term Agricultural Green Development, Zhanjiang 524091, China
| | - Chengming Yan
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang Experimental and Observation Station for National Long-Term Agricultural Green Development, Zhanjiang 524091, China
| | - Junbo Su
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang Experimental and Observation Station for National Long-Term Agricultural Green Development, Zhanjiang 524091, China
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Ryan D, Kong R, Kang D, Dix A, Kim S, Bian J. Effects of Pipe Inclination on Global Two-Phase Flow Parameters. NUCL TECHNOL 2023. [DOI: 10.1080/00295450.2022.2160172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- Drew Ryan
- Purdue University, School of Nuclear Engineering, West Lafayette, Indiana
| | - Ran Kong
- Purdue University, School of Nuclear Engineering, West Lafayette, Indiana
| | - David Kang
- Purdue University, School of Nuclear Engineering, West Lafayette, Indiana
| | - Adam Dix
- Purdue University, School of Nuclear Engineering, West Lafayette, Indiana
| | - Seungjin Kim
- Purdue University, School of Nuclear Engineering, West Lafayette, Indiana
| | - Jiawei Bian
- Xi’an Jiaotong University, Department of Nuclear Science and Technology, Xi’an, China
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Xu Z, Kong R, An D, Zhang X, Li Q, Nie H, Liu Y, Su J. Evaluation of a Sugarcane ( Saccharum spp.) Hybrid F 1 Population Phenotypic Diversity and Construction of a Rapid Sucrose Yield Estimation Model for Breeding. Plants (Basel) 2023; 12:647. [PMID: 36771730 PMCID: PMC9919227 DOI: 10.3390/plants12030647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/17/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Sugarcane is the major sugar-producing crop worldwide, and hybrid F1 populations are the primary populations used in breeding. Challenged by the sugarcane genome's complexity and the sucrose yield's quantitative nature, phenotypic selection is still the most commonly used approach for high-sucrose yield sugarcane breeding. In this study, a hybrid F1 population containing 135 hybrids was constructed and evaluated for 11 traits (sucrose yield (SY) and its related traits) in a randomized complete-block design during two consecutive growing seasons. The results revealed that all the traits exhibited distinct variation, with the coefficient of variation (CV) ranging from 0.09 to 0.35, the Shannon-Wiener diversity index (H') ranging between 2.64 and 2.98, and the broad-sense heritability ranging from 0.75 to 0.84. Correlation analysis revealed complex correlations between the traits, with 30 trait pairs being significantly correlated. Eight traits, including stalk number (SN), stalk diameter (SD), internode length (IL), stalk height (SH), stalk weight (SW), Brix (B), sucrose content (SC), and yield (Y), were significantly positively correlated with sucrose yield (SY). Cluster analysis based on the 11 traits divided the 135 F1 hybrids into three groups, with 55 hybrids in Group I, 69 hybrids in Group II, and 11 hybrids in Group III. The principal component analysis indicated that the values of the first four major components' vectors were greater than 1 and the cumulative contribution rate reached 80.93%. Based on the main component values of all samples, 24 F1 genotypes had greater values than the high-yielding parent 'ROC22' and were selected for the next breeding stage. A rapid sucrose yield estimation equation was established using four easily measured sucrose yield-related traits through multivariable linear stepwise regression. The model was subsequently confirmed using 26 sugarcane cultivars and 24 F1 hybrids. This study concludes that the sugarcane F1 population holds great genetic diversity in sucrose yield-related traits. The sucrose yield estimation model, ySY=2.01xSN+8.32xSD+0.79xB+3.44xSH-47.64, can aid to breed sugarcane varieties with high sucrose yield.
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Affiliation(s)
- Zhijun Xu
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524091, China
- Zhanjiang Experiment Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524031, China
- Guangdong Modern Agriculture (Cultivated Land Conservation and Water-Saving Agriculture) Industrial Technology Research and Development Center, Zhanjiang 524031, China
- Zhanjiang Experimental and Observation Station for National Long-Term Agricultural Green Development, Zhanjiang 524031, China
| | - Ran Kong
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524091, China
| | - Dongsheng An
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524091, China
- Zhanjiang Experiment Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524031, China
- Guangdong Modern Agriculture (Cultivated Land Conservation and Water-Saving Agriculture) Industrial Technology Research and Development Center, Zhanjiang 524031, China
- Zhanjiang Experimental and Observation Station for National Long-Term Agricultural Green Development, Zhanjiang 524031, China
| | - Xuejiao Zhang
- Zhanjiang Experiment Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524031, China
- Guangdong Modern Agriculture (Cultivated Land Conservation and Water-Saving Agriculture) Industrial Technology Research and Development Center, Zhanjiang 524031, China
| | - Qibiao Li
- Zhanjiang Experiment Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524031, China
- Guangdong Modern Agriculture (Cultivated Land Conservation and Water-Saving Agriculture) Industrial Technology Research and Development Center, Zhanjiang 524031, China
| | - Huzi Nie
- Agro-Tech Extension Center of Guangdong Province, Guangzhou 510520, China
| | - Yang Liu
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524091, China
- Zhanjiang Experiment Station, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524031, China
- College of Modern Agriculture, Jiaxing Vocational and Technical College, Jiaxing 314036, China
| | - Junbo Su
- South Subtropical Crop Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524091, China
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Shen J, Kong R, Guo D, Chen S, Han T, Wang M, Lu G, Deng W, Ding R, Bu F. 58P Spectrum of germline pathogenic mutations in 1087 Chinese patients with biliary tract cancer. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Ingham M, Blay JY, Baird J, D'Silva D, O'Keefe K, Kong R, Spiegel R, Wahba M, Weetall M. 1528TiP A phase II/III study evaluating the efficacy and safety of unesbulin in advanced leiomyosarcoma (SUNRISELMS). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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13
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Wu Z, Kong R, Hillebrand G. LB944 Crowdsourcing for the rapid and accurate visual assessment of treatment efficacy in dermatology clinical trials: A case study in the treatment of eczema. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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14
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Quan Z, Dix A, Kong R, Kim S, Ishii M, Farmer MT. Pressure Drop in Seven-Pin Wire-Wrapped Rod Bundle for the Sodium Cartridge Loop in Versatile Test Reactor. NUCL SCI ENG 2022. [DOI: 10.1080/00295639.2022.2082232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
| | - Adam Dix
- Purdue University, West Lafayette, Indiana
| | - Ran Kong
- Purdue University, West Lafayette, Indiana
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Kong R, Kim S, Wahlen R, Pike J, Grimm T. Experiments and CFD simulations of the LBE loop in HYST: A new concept for irradiation experiments in a fast-reactor-like environment. Nuclear Engineering and Design 2022. [DOI: 10.1016/j.nucengdes.2022.111774] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Kong R, Li L, Liu W, Xiang P, Zhao J. Rapid characterization of drugs in a single hair using thermal desorption ionization mass spectrometry. Anal Methods 2022; 14:806-812. [PMID: 35138309 DOI: 10.1039/d1ay01908b] [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] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Hair remains the most common type of physical evidence found in most crime scenes. However, the amount of hair found at a crime scene is limited and analysis of drugs in hair by gas chromatography mass spectrometry (GC-MS) or liquid chromatography tandem mass spectrometry (LC-MS/MS) is laborious and time-consuming. In this study, a rapid and simple method is developed using thermal desorption ionization mass spectrometry (TDI-MS) to analyze drugs directly in a single hair. A single hair is put onto a heated metal ceramic heater (MCH) and then a high voltage direct current and solvent are applied to the single hair. The drugs in the hair are thermally desorbed and ionized, and subsequently transferred to the MS inlet and detected. A typical hair analysis can be completed in a few minutes. This novel technique provides a new orientation for forensic scientists to study drugs in a single hair that is found at a crime scene, on a suspect, or on a victim.
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Affiliation(s)
- Ran Kong
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China.
- School of Pharmacy, Yantai University, Yantai, China
| | - Le Li
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China.
- School of Pharmacy, Yantai University, Yantai, China
| | - Wanhui Liu
- School of Pharmacy, Yantai University, Yantai, China
| | - Ping Xiang
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China.
| | - Junbo Zhao
- Department of Forensic Toxicology, Shanghai Key Laboratory of Forensic Medicine, Shanghai Forensic Service Platform, Academy of Forensic Science, Shanghai, China.
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Kong R, Kim S, Ishii M. Jet impingement in high-energy piping systems, part II: Model improvement and guidance development. Progress in Nuclear Energy 2021. [DOI: 10.1016/j.pnucene.2021.104001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Kong R, Kim S, Ishii M. Jet impingement in high-energy piping systems, part I: Characteristics and model evaluation. Progress in Nuclear Energy 2021. [DOI: 10.1016/j.pnucene.2021.104002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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19
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Di S, Han L, An X, Kong R, Gao Z, Yang Y, Wang X, Zhang P, Ding Q, Wu H, Wang H, Zhao L, Tong X. In silico network pharmacology and in vivo analysis of berberine-related mechanisms against type 2 diabetes mellitus and its complications. J Ethnopharmacol 2021; 276:114180. [PMID: 33957209 DOI: 10.1016/j.jep.2021.114180] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [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: 08/18/2020] [Revised: 04/24/2021] [Accepted: 04/28/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Berberine (BBR), extracted from the traditional medicinal plant Coptis chinensis Franch., has been widely used for the treatment of type 2 diabetes mellitus (T2DM) and its complications. AIM OF THE STUDY To determine the potential pharmacological mechanisms underlying BBR therapeutic effect on T2DM and its complications by in silico network pharmacology and experimental in vivo validation. MATERIALS AND METHODS A predictive network depicting the relationship between BBR and T2DM was designed based on information collected from several databases, namely STITCH, CHEMBL, PharmMapper, TTD, Drugbank, and PharmGKB. Identified overlapping targets related to both BBR and T2DM were crossed with information on biological processes (BPs) and molecular/signaling pathways using the DAVID platform and Cytoscape software. Three candidate targets identified with the BBR-T2DM network (RXRA, KCNQ1 and NR3C1) were evaluated in the C57BL/6J mouse model of T2DM. The mice were treated with BBR or metformin for 10 weeks. Weight, fasting blood glucose (FBG), oral glucose tolerance, and expression levels of the three targets were evaluated. RESULTS A total of 31 targets of BBR that were also related to T2DM were identified, of which 14 had already been reported in previous studies. Furthermore, these 31 overlapping targets were enriched in 21 related BPs and 18 pathways involved in T2DM treatment. The identified BP-target-pathway network revealed the underlying mechanisms of BBR antidiabetic activity were mediated by core targets such as RXRA, KCNQ1, and NR3C1. In vivo experiments further confirmed that treatment with BBR significantly reduced weight and FBG and alleviated insulin resistance in T2DM mice. Moreover, BBR treatment promoted RXRA expression, whereas it reduced KCNQ1 and NR3C1 expression in the liver. CONCLUSION Using network pharmacology and a T2DM mouse model, this study revealed that BBR can effectively prevent T2DM symptoms through vital targets and multiple signaling pathways. Network pharmacology provides an efficient, time-saving approach for therapeutic research and the development of new drugs.
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Affiliation(s)
- Sha Di
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Lin Han
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China; Laboratory of Molecular and Biology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Xuedong An
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Ran Kong
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China.
| | - Zezheng Gao
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Yingying Yang
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Xinmiao Wang
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China; Endocrinology Department, Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, Jilin, China.
| | - Pei Zhang
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Qiyou Ding
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Haoran Wu
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Han Wang
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China.
| | - Linhua Zhao
- Department of Endocrinology, Guang'anmen Hospital of China, Academy of Chinese Medical Sciences, Beijing, 100053, China; Endocrinology Department, Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, Jilin, China.
| | - Xiaolin Tong
- Endocrinology Department, Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, Jilin, China.
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Patel A, Kong R, Sato T, Yoo S, Sinha A, Powell C, Zhu J, Watanabe H. FP12.11 Single-Cell RNA Sequencing Analyses Distinguishes Transcriptional Activity of c-Myc and L-Myc in Small Cell Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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22
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Zhang Q, Li L, Lyu XJ, Chen HZ, Chen H, Kong R, Wang G, Jiang HC, Sun B. [Four-steps surgery for infected pancreatic necrosis based on "Step-up" strategy: a retrospective study]. Zhonghua Wai Ke Za Zhi 2020; 58:858-863. [PMID: 33120449 DOI: 10.3760/cma.j.cn112139-20200429-00348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To examine the effect of the "four-steps" treatment on infectious pancreatic necrosis(IPN). Methods: The data of 207 patients who were diagnosed with IPN from January 2013 to December 2017 at Department of Pancreaticobiliary Surgery, the First Affiliated Hospital of Harbin Medical University were analyzed retrospectively. Among 207 patients, 132(63.8%) were males and 75(36.2%) were females. The median age was 45 years old (range: 19 to 80 years old). One hundred and fifty-eight patients(76.3%) suffered severe acute pancreatitis and 49 patients(23.7%) suffered moderately severe acute pancreatitis. Percutaneous catheter drainage(PCD) was performed on all the patients(Step 1). Patients received "four-steps" minimally invasive treatment strategy in step-up group(173 patients). The following steps after PCD were mini-incision access pancreatic necrosectomy(MIAPN) (Step 2), sinus tract endoscopic debridement and(or) PCD for residual infections(Step 3) and finally conventional open pancreatic necrosectomy(OPN) (Step 4). Patients(34 cases) received conventional open pancreatic necrosectomy after invalided PCD in OPN group. The perioperative parameters and prognosis were compared between Step-up group and OPN group. Normally distributed quantitative variables were analyzed by t-test, non-normally distributed quantitative variables were analyzed by Wilcoxon chi-square test and categorical variables were analyzed by χ(2) test or Fisher exact test, respectively. Results: The basic characteristics of the two groups of patients were similar, but the referral rate of patients and the rate of preoperative 3 days organ failure in the OPN group were significantly higher than those of step-up group patients(47.1% vs. 28.9%, χ(2)=4.313, P=0.038; 26.5% vs. 9.2%, χ(2)=2.819, P=0.011). The frequency of PCD and the number of PCD tube (root) were less than those in the step-up group(1(1) vs. 2(1), Z=-3.373, P=0.018; 2(1) vs. 3(2), Z=-2.208, P=0.027). Compared with the OPN group, the interval time from onset to surgery and the MIAPN operation time were significantly shorter in the step-up group(29(15) days vs. 36(17)days, Z=-0.567, P=0.008; 58(27)minutes vs. 90(56)minutes, Z=-3.908, P<0.01); postoperative mortality was lower(5.8% vs.17.6%, χ(2)=4.070, P=0.044); the overall incidence of postoperative complications was reduced(23.1% vs. 55.9%, χ(2)=14.960, P<0.01) and the incidence of new-onset organ failure was decreased after operation in the step-up group(37.5% vs.47.4%, χ(2)=7.133, P=0.007). The incidence of local abdominal complications (pancreatic fistula, intra-abdominal hemorrhage, gastrointestinal fistula) showed no significant difference between the two groups (P>0.05). Fewer patients required ICU treatment after operation in the step-up group compared with OPN group(22.0% vs. 44.1%, χ(2)=6.204, P=0.013). Patients in the Step-up group has shorter hospital stay than patients in OPN group (46(13) days vs. 52(13)days, Z=-1.993, P=0.046). Conclusions: The clinical effects of "four-steps" exhibited the superiority of minimally invasive treatment of IPN.And MIAPN is a simple, safe and effective procedure to remove pancreatic necrotic tissue and decrease complications.
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Affiliation(s)
- Q Zhang
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
| | - L Li
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
| | - X J Lyu
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
| | - H Z Chen
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
| | - H Chen
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
| | - R Kong
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
| | - G Wang
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
| | - H C Jiang
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
| | - B Sun
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University; Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Harbin 150001, China
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Kim S, Kong R. Separate-effect experiments and modeling for two-phase flow under geometric restrictions. Nuclear Engineering and Design 2020. [DOI: 10.1016/j.nucengdes.2020.110786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Kong R, Kim S, Ishii M. Review of jet impingement in high-energy piping systems. Nuclear Engineering and Design 2020. [DOI: 10.1016/j.nucengdes.2019.110411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Duvel L, Herbal A, Daniels L, Kong R, Hillebrand GG. Age, lifestyle and self-perceptions of hair: Is there an association with hair diameter and tensile properties? Int J Cosmet Sci 2019; 41:509-515. [PMID: 31418888 DOI: 10.1111/ics.12569] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 08/11/2019] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To determine the association of age, lifestyle habits and the self-perception of hair condition with the objectively measured physical properties of hair in Caucasian females with brown hair. METHODS Hair biophysical properties, lifestyle habits data and self-perceptions of hair condition were collected on 110 Caucasian females with brown hair ranging in age from 17 to 78. Hair diameter (cross-sectional area) and tensile properties (elastic modulus, break strength and break extension) were measured at the root end of individual fibres (n = 100/subject) from the crown and frontal regions using objective instrumental methods. Other measures included body mass index (BMI) and Savin female pattern hair loss grades based on judging of standardized front, top and side view head images. Lifestyle habits and practices and self-perceived hair condition were obtained via a standardized self-assessment questionnaire. RESULTS Hair fibre diameter and break extension decreased significantly with age. Hair fibre elastic modulus and Savin hair loss scores increased significantly with age. No age-related change in hair fibre break stress was observed. A history of smoking or being overweight was significantly associated with having lower hair fibre cross-sectional area but was not associated with any of the measured tensile properties. Subjects who perceived their hair as fine, thinning or weak had significantly lower cross-sectional areas than subjects who did not. Subjects who perceived their hair to be healthy or strong had significantly higher cross-sectional areas than subjects who did not. CONCLUSION The biophysical properties of hair change significantly with age. A history of smoking or being overweight was significantly associated with having smaller hair cross-sectional area but was not associated with differences in hair tensile properties. The self-perception of having strong or healthy hair seems more associated with having a larger cross-sectional area than any real differences in hair strength.Abstrait.
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Affiliation(s)
- L Duvel
- Amway Corporation, Ada, MI, 49355, USA
| | - A Herbal
- Amway Corporation, Ada, MI, 49355, USA
| | - L Daniels
- Amway Corporation, Ada, MI, 49355, USA
| | - R Kong
- Amway Corporation, Ada, MI, 49355, USA
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Lu J, Zheng M, Kong R, Pang J, Zhu X. Enhancing Solubility of Candesartan Cilexetil by Co-milling; Preparation of Candesartan Cilexetil-glycyrrhizic Acid Composite. Indian J Pharm Sci 2019. [DOI: 10.36468/pharmaceutical-sciences.500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Kong R, Andharia N, Greenstein J, Cioe E. 236 Low Fidelity Model for Chest Tube Thoracostomy. Ann Emerg Med 2018. [DOI: 10.1016/j.annemergmed.2018.08.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Lyu XJ, Sun B, Li L, Chen H, Kong R. [Clinical analysis of small incision minimally invasive approach in treatment of infected pancreatic necrosis]. Zhonghua Wai Ke Za Zhi 2018; 56:687-692. [PMID: 30157575 DOI: 10.3760/cma.j.issn.0529-5815.2018.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the safety and efficiency of small incision minimally invasive approach pancreatic necrosectomy in the treatment of infected pancreatic necrosis. Methods: The data of 164 patients who underwent small incision minimally invasive approach pancreatic necrosectomy for infected pancreatic necrosis at Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University from January 2012 to December 2016 were analyzed retrospectively.Among 164 patients, there were 102 male and 62 female patients.The median age was 46 years(ranging from 19 to 79 years). One hundred and one patients(61.6%) suffered from severe acute pancreatitis and 63 patients(38.4%) suffered from moderately severe acute pancreatitis.Following step-up approach principle, the surgical procedures were performed for 131 patients(79.9%) who suffered from sepsis which could not be alleviated via percutaneous catheter drainage(PCD). The other 33 patients(20.1%) who did not undergo PCD directly took small incision minimally invasive approach pancreatic necrosectomy.Preoperative CT images were used to determine the location of the lesion.The PCD puncture points or the points where the abscess was closest to the skin were chosen as the incision.Gradually, the small incision minimally invasive approach pancreatic necrosectomy were performed via cutting all layers into the abscess. Results: The median time from the onset of symptom to first operation was 32 days(ranging from 23 to 45 days). The average hospital stay was 46 days(ranging from 29 to 103 days). The average number of drainage tubes placed was 4 pieces(ranging from 2 to 8 pieces). Ninety-two patients(56.0%) underwent minimal access retroperitoneal pancreatic necrosectomy. Thirty-six patients(22.0%) underwent minimal invasive approach lesser omentum sac pancreatic necrosectomy.Thirty-six patients(22.0%) underwent minimal invasive approach lesser omentum sac pancreatic necrosectomy combined with minimal access retroperitoneal pancreatic necrosectomy.A total of 148 cases(90.2%) were cured via minimally invasive approach pancreatic necrosectomy, 8 cases(4.9%) were cured after transfering to open pancreatic necrosectomy.The cure rate was 95.1%(156/164). The mainly postoperative complications included pancreatic fistula(25 cases), intra-abdominal hemorrhage(10 cases), gastric fistula (2 cases), duodenal fistula(4 cases) and colonic fistula(3 cases). The overall incidence rate of complications was 26.8%(44/164). Eight cases were dead after surgery and the in-hospital mortality was 4.9%(8/164). Conclusion: In summary, small incision minimally invasive approach pancreatic necrosectomy is an effective way to clean up necrotic tissue, improve the drainage, reduce complications in dealing with infected pancreatic necrosis.
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Affiliation(s)
- X J Lyu
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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Kong R, Wang N, Luo H, Lu J. Hesperetin Mitigates Bile Duct Ligation-Induced Liver Fibrosis by Inhibiting Extracellular Matrix and Cell Apoptosis via the TGF-β1/Smad Pathway. Curr Mol Med 2018; 18:15-24. [PMID: 29879887 DOI: 10.2174/1566524018666180608084947] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 05/18/2018] [Accepted: 06/05/2018] [Indexed: 11/22/2022]
Affiliation(s)
- R. Kong
- Department of Gastroenterology, Shanghai Tenth People`s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - N. Wang
- Department of Gastroenterology, Shanghai Tenth People`s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - H. Luo
- Department of Gastroenterology, Shanghai Tenth People`s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - J. Lu
- Department of Gastroenterology, Shanghai Tenth People`s Hospital, Tongji University School of Medicine, Shanghai 200072, China
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Sun GM, Kong R, Yang SF, Sun B. [Advances in diagnosis and treatment of undifferentiated pancreatic carcinoma with osteoclast-like giant cells]. Zhonghua Wai Ke Za Zhi 2018; 56:548-550. [PMID: 30032538 DOI: 10.3760/cma.j.issn.0529-5815.2018.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Undifferentiated pancreatic carcinoma with osteoclast-like giant cell(UOC) published to date, and most have been in Asia, is a rare occurrence making up 1% of all pancreatic malignancies.With the increasing number of reported cases of the disease, the degree of awareness of the disease also gradually deepened, but there are few summary articles for the clinical features, imaging features, pathological features, treatment programs, prognosis and other aspects of UOC.Hence, this article is going to introduce pathological features, clinical manifestations, diagnosis and treatment of adjuvant advances of UOC in detail.
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Affiliation(s)
- G M Sun
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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Kong R, Zhang F, Wang G, Peng J. Stabilization of Loess Using Nano-SiO₂. Materials (Basel) 2018; 11:ma11061014. [PMID: 29904025 PMCID: PMC6025136 DOI: 10.3390/ma11061014] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 06/10/2018] [Accepted: 06/13/2018] [Indexed: 11/16/2022]
Abstract
Improving the performance of loess is of significant importance for lowering its collapsibility and water sensitivity to construction requirements and for geohazard mitigation. The present paper studies the changes in mechanical, structural, and mineralogical properties of nano-SiO₂-treated loess with different contents and curing days. The mechanical behavior was examined by unconfined compressive strength (UCS) of untreated and treated loess. To better understand the mechanisms of stabilization, particle size distributions, scanning electron microscope (SEM) images, and X-ray diffraction (XRD) analyses were carried out. The results show that the UCS increase with increasing contents and curing days due to nano-SiO₂ addition produced coarser particles, denser packing, and smaller pores in treated loess. The changes in the properties can be attributed to the formation of aggregation and agglomeration, with greater particle sizes and more interparticle contact. In addition, the results from mineralogical component analysis further confirm that physical structure modification controls the changes in mechanical and fabric properties, rather than chemical component alteration. Even small nano-SiO₂ additions can also provide great improvement when curing days are enough for the treated loess. These findings reveal that nano-SiO₂ has the potential to serve as a cost-effective stabilized additive that treats the universal loess.
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Affiliation(s)
- Ran Kong
- MOE Key Laboratory of Mechanics on Disaster and Environment in Western China, Department of Geological Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Fanyu Zhang
- MOE Key Laboratory of Mechanics on Disaster and Environment in Western China, Department of Geological Engineering, Lanzhou University, Lanzhou 730000, China.
| | - Gonghui Wang
- Research Center on Landslides, Disaster Prevention Research Institute, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan.
| | - Jianbing Peng
- Department of Geological Engineering, Chang'an University, Xi'an 710054, China.
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Zhu C, Shang XF, Kong R, Wu KR, Wang YM, Ma RX, Chen M, Luo ZL. [Minimally invasive small incision direct anterior total hip arthroplasty in the lateral decubitus position: complications and early outcome]. Zhonghua Yi Xue Za Zhi 2018; 98:1679-1685. [PMID: 29925146 DOI: 10.3760/cma.j.issn.0376-2491.2018.21.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the feasibility, perioperative complications and early outcomes of minimally invasive small incision in direct anterior approach total hip arthroplasty in lateral decubitus position. Methods: From January 2015 to January 2017, 212 patients (228 hips) received minimally invasive small incision (approximately 8 cm in length) direct anterior approach total hip arthroplasty in modified lateral decubitus position and approach. Sixteen cases underwent bilateral hip arthroplasty separately. All procedures were performed by the same surgeon in the Department of Orthopedics, the First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital. Twenty-eight patients (28 hips) were set as the complicated case group. The rest 184 patients (200 hips) had no previous hip surgeries, severe deformity and limited motion of the hip, were set as the standard group, and were divided into the first 100 cases group and the second 100 cases group in sequence. The difference between the standard group and complicated case group were analyzed. Also we compared the difference between the first 100 cases and the second 100 cases. Perioperative complications, postoperative function and radiological evaluation were recorded and statistically analyzed. The t test was applied to compare the data between groups. Results: All the patients were followed-up for 13 to 25 months[(18±5) months]. Intraoperative complications and postoperative complications happened in 9 and 34 patients respectively. The anterior dislocation occurred in 2 cases. The standard group showed significant superior outcomes when compared with complicated case group in the surgical time[(42±19) vs (67±16) min, t=-2.628, P=0.027], blood loss[(222±94) vs (579±120) ml, t=-8.371, P=0.000], postoperative Harris hip score[90±5 vs 83±7, t=2.390, P=0.024]and the rate of surgical complication (15.0% vs 46.4%, χ(2)=15.854, P=0.000). The complication rate tended to decrease in the second 100 cases when compared with that in the first 100 cases (11.0% vs 19.0%, χ(2)=3.922, P=0.037). Meanwhile, the second 100 cases showed significant excellent outcomes when compared with the first 100 cases in the mean surgical time[(34±15) vs (48±10) min, t=4.217, P=0.002]and blood loss[(182±52) vs (254±40) ml, t=2.889, P=0.018]. Conclusions: It suggests that there is a learning curve with the minimally invasive small incision direct anterior approach total hip arthroplasty in lateral decubitus position. The risk of intraoperative femoral fractures is slightly high, especially for cases with osteoporosis, stiffness and limited range of movement. Surgeons in early learning curve period should grasp the surgical indications and master the technical points.
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Affiliation(s)
- C Zhu
- Department of Orthopedics, the First Affiliated Hospital of University of Science and Technology of China, Anhui Provincial Hospital, Hefei 230001, China
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Kong R, O’Mara E, Luo X, Trifillis P, Werner C, McIntosh J. A phase 2 trial of the safety and pharmacokinetics of ataluren in patients aged ≥2 to <5 years with nonsense mutation Duchenne muscular dystrophy. Neuromuscul Disord 2018. [DOI: 10.1016/s0960-8966(18)30325-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Lyu XJ, Li L, Kong R, Sun B. [Research advances in anatomical study on the diffusion routs of acute pancreatitis]. Zhonghua Wai Ke Za Zhi 2018. [PMID: 29534421 DOI: 10.3760/cma.j.issn.0529-5815.2018.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The retroperitoneum space comprises anterior pararenal space, perirenal space and posterior pararenal space. Pancreas is a retroperitoneal organ and located in the anterior pararenal space of the retroperitoneum. Left and right sides anterior pararenal space are potentially communicated, which contains many adipose tissues and a little connective tissues. The exacerbation of acute pancreatitis results in the lesion spreading into adjacent area of pancreas in the retroperitoneal space. In addition, the lesion could spread into bare area of stomach, posterior colonic region, subperitoneal space and pelvic retroperitoneal space through the same anatomical space or communicating space. Due to the fascia destruction by pancreatic enzymes or the lesion directly diffuse through the weak fascia, the lesion could also diffuse across fascia to perirenal space, posterior pararenal space, the peritoneal cavity and abdominal wall. Finally, a series of complications are developed. The diffusion paths of acute pancreatitis are complex and diverse. Familiarity with these diffusion paths is useful for determining the severity and guiding therapy.
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Affiliation(s)
- X J Lyu
- Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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Mesalam A, Kong R, Choi BH, Lee KL, Park BY, Son MJ, Jin JI, Kong IK. 75 Improvement of Developmental Competence of Bovine In Vitro-Produced Embryos by Using Charcoal:Dextran-Stripped Fetal Bovine Serum on In Vitro Culture Media. Reprod Fertil Dev 2018. [DOI: 10.1071/rdv30n1ab75] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Serum has widely been used as a main supplement to embryo in vitro culture media as it contains embryotrophic factors. Charcoal:dextran treatment of fetal bovine serum (FBS) removes lipophilic chemicals and certain steroid hormones and growth factors. The objective of this study was to investigate the effects of charcoal:dextran-stripped fetal bovine serum (CDS FBS) and heat-inactivated FBS (HI FBS) in embryo culture medium (SOF-BE1 medium supplemented with 10% of serum) on their ability to support in vitro development of bovine embryos. The developmental ability and quality of bovine embryos were determined by assessing their cell number, lipid content, mitochondrial activity, gene expression, and cryo-tolerance. The experiment was conducted in 6 replicates (350 oocytes per group). The differences in embryo development, integrated optical intensity, and expression levels of the various genes between experimental groups were analysed by one-way ANOVA. Duncan’s multiple range tests were used to test the differences between the treatments. The level of statistical significance was set at P < 0.05. The percentages of embryos that underwent cleavage and formed a blastocyst were significantly (P < 0.05) higher in medium containing CDS FBS than in medium containing HI FBS (42.84 ± 0.78% v. 36.85 ± 0.89%, respectively). The total number of cells per Day 8 blastocyst was not significantly different (P > 0.05) between the CDS FBS group (208.40 ± 14.77) and the HI FBS group (195.11 ± 19.15). Furthermore, the beneficial effects of CDS FBS on embryos were associated with a significantly increased mitochondrial activity, as identified by MitoTracker Green, and reduced intracellular lipid content, as identified by Nile red staining, which increased their cryo-tolerance. The post-thaw survival rate of blastocysts was significantly (P < 0.05) higher after 24 h in the CDS FBS than in the HI FBS group (85.33 ± 4.84% v. 68.67 ± 1.20%). Quantitative reverse transcription PCR showed that the mRNA levels of lipid metabolism-related genes, acyl-CoA synthetase long-chain family member 3, acyl-coenzyme A dehydrogenase long-chain, and the cholesterol metabolism related gene hydroxymethylglutaryl-CoA reductase were significantly increased upon culture with CDS FBS. Moreover, the mRNA levels of survival gene sirtuin 1, antioxidant gene superoxide dismutase 2, and anti-apoptotic associated gene B-cell lymphoma 2 in frozen–thawed blastocysts were significantly (P < 0.05) higher in the CDS FBS group than in the HI FBS group; however, the mRNA level of the pro-apoptotic gene BCL2-associated X protein was significantly reduced. In conclusion, these data suggest that supplementation of in vitro culture medium with CDS FBS improves in vitro bovine embryo developmental competence and the quality of blastocysts in terms of their crytolerance and gene expression.
This research was supported by grant from the Next-Generation BiogGeen21 (No. PJ01107703), IPET (No. 315017-5 and 117029-3), Allergy free cat (Co.. Felix Pets), BK21plus, and KGSP.
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Zhu C, Fang SY, Kong R, Wu KR, Xia R, Shang XF. The significance of HBD-3 and fluorescent composite carriers in the processof bone formation in rats infected with Staphylococcus aureus. Eur Rev Med Pharmacol Sci 2017; 21:4263-4269. [PMID: 29077172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
OBJECTIVE The objective of the present study was to explore the significance of human β-defensin 3 (HBD-3) through establishment and evaluation of the model of implant-related biofilm infection of the femoral condyle of the outer knee using Sprague-Dawley (SD) rats. MATERIALS AND METHODS Age-matched SD rats were divided into three groups, the HBD-3 group, HBD-3 fluorescent liposome group, and the HBD-3 liposome-microbubble fluorescent composite carrier group. After biofilm infection for 24 h, the fluorescent composite vector was injected intraperitoneally 2 times/day. After the first injection, rats in each group were sacrificed on the 7th, 14th, and 28th day. The lower end of the femur bone was harvested after removing the surrounding soft tissue. H&E and immunohistochemical staining were applied and light microscopy was used for observation. Fluorescent markers including tetracycline and calcein were used to follow the formation of new bone in vivo. Undecalcified specimens were embedded in epoxy resin (thickness of roughly 150 m), and confocal microscopy was used for observation. RESULTS By assessing cell proliferation with cell counting kit-8, the proliferation ability of cells in the HBD-3 liposome-microbubble fluorescent composite carrier group was significantly increased compared with the other groups (p<0.05). qPCR was used to measure the levels of alkaline phosphatase (ALP), type I collagen, osteocalcin (OCN), osteopontin (OPN), and bone sialoprotein (BSP) in each group. The levels of these genes in the HBD-3 liposome-microbubble fluorescent composite carrier group were significantly higher than those in other groups (p<0.05). CONCLUSIONS The application of the HBD-3 liposome-microbubble fluorescent composite carrier can significantly promote osteogenesis in rats infected with Staphylococcus aureus, and increase the expression levels of ALP, type I collagen, OCN, OPN, and BSP.
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Affiliation(s)
- C Zhu
- Department of Orthopedic Surgery, Anhui Provincial Hospital of Anhui Medical University, Hefei, China.
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Riebling P, Kong R, O'Mara E, Luo X, Trifillis P, Ong T. A phase 2 trial of the safety and pharmacokinetics of ataluren in patients aged 2 to 5 years with nonsense mutation Duchenne muscular dystrophy. Neuromuscul Disord 2017. [DOI: 10.1016/j.nmd.2017.06.446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Cheng C, Yu S, Kong R, Yuan Q, Ma Y, Yang W, Cao G, Xie L. CTRP3 attenuates hepatic stellate cell activation through transforming growth factor-β/Smad signaling pathway. Biomed Pharmacother 2017; 89:1387-1391. [DOI: 10.1016/j.biopha.2017.03.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 03/07/2017] [Accepted: 03/07/2017] [Indexed: 02/07/2023] Open
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Zheng M, Tang W, Kong R, Zhu X. Inclusion Complex of alpha-Lipoic Acid Containing Alkalizer for Improving the Solubility and Stability Prepared by Co-grinding. Indian J Pharm Sci 2017. [DOI: 10.4172/pharmaceutical-sciences.1000261] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Worosz T, Bernard M, Kong R, Toptan A, Kim S, Hoxie C. Sensitivity studies on the multi-sensor conductivity probe measurement technique for two-phase flows. Nuclear Engineering and Design 2016. [DOI: 10.1016/j.nucengdes.2016.10.046] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ji L, Sun B, Cheng CD, Bai XW, Wang G, Kong R, Chen H, Jiang HC. [Clinical experience on the employment of the staged step-up approach in the treatment of local complications secondary to severe acute pancreatitis]. Zhonghua Wai Ke Za Zhi 2016; 54:839-843. [PMID: 27806777 DOI: 10.3760/cma.j.issn.0529-5815.2016.11.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the experience and prognostic factors associated with the employment of the step-up approach in the treatment of local complications secondary to severe acute pancreatitis (SAP). Methods: The clinical data of 279 patients admitted to the Department of Pancreatic and Biliary Surgery, First Affiliated Hospital of Harbin Medical University from January 2011 to December 2015, whose local complications secondary to SAP were treated in a staged step-up framework, were retrospectively analyzed.For patients with documented or suspected infected pancreatic necrosis or gastrointestinal tract obstruction, some non-surgical interventions were initialed with the aim of postponing the timing of surgery to the forth week from the onset of SAP.The first-step intervention was a percutaneous catheter drainage (PCD) under the guidance of ultrasound. A minimal access retroperitoneal pancreatic necrosectomy, representing the second-step intervention, was conducted when PCD had failed. Finally, an open necrosectomy (the third-step intervention) was immediately resorted to when all of previous minimal invasive interventions had failed.Normally distributed quantitative variables were analyzed by t-test, non-normally distributed quantitative variables were analyzed by Wilcoxon chi-square test and categorical variables were analyzed by χ2 test or Fisher's exact test.A multivariable Logistic regression analytic model was established to figure out the prognostic factors that were independently associated with the requirement of debridement in addition to drainage procedure during the staged step-up framework of patients with local complications secondary to SAP. Results: The initial interventions in this series were performed at 12 d (9-22 d) from the on-set of SAP and 104 cases (37.3%) were cured with ultrasound guided PCD alone.There were 152 cases (54.5%) cured by debridement in addition to PCD with the time interval of 30 d (25 to 44 d) since the on-set of the disease.The overall incidence of postoperative complications was 22.6% (63 cases) and in-hospital mortality was 8.2% (23 cases) in the present series.Multiple organ failures(MOF)(P<0.01, OR=3.15), heterogeneous collections (P<0.01, OR=2.40) and tertiary transfer (P=0.03, OR=1.80) were verified as the prognostic factors that were independently associated with the requirement of debridement in addition to PCD during the staged step-up framework of patients with local complications secondary to SAP. Conclusions: The staged step-up framework is a promising innovation that complies well with the era of minimal invasive surgery and is optimally suitable for the surgical interventions against SAP.MOF, heterogeneous collections and tertiary transfer are the prognostic factors that are independently associated with the requirement of debridement in addition to PCD during the staged step-up framework of patients with local complications secondary to SAP.
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Affiliation(s)
- L Ji
- Department of Pancreatic and Biliary Surgery, the First Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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Song Y, Zou H, Zhao Y, Yu L, Tan Z, Kong R. Activation of p38-mitogen-activated protein kinase contributes to ischemia reperfusion in rat brain. Genet Mol Res 2016; 15:gmr8492. [DOI: 10.4238/gmr.15038492] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Xu TP, Liu XX, Xia R, Yin L, Kong R, Chen WM, Huang MD, Shu YQ. SP1-induced upregulation of the long noncoding RNA TINCR regulates cell proliferation and apoptosis by affecting KLF2 mRNA stability in gastric cancer. Oncogene 2015; 34:5648-61. [PMID: 25728677 DOI: 10.1038/onc.2015.18] [Citation(s) in RCA: 197] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 01/14/2015] [Accepted: 01/16/2015] [Indexed: 12/25/2022]
Abstract
The long noncoding RNA TINCR shows aberrant expression in human squamous carcinomas. However, its expression and function in gastric cancer remain unclear. We report that TINCR is strongly upregulated in human gastric carcinoma (GC), where it was found to contribute to oncogenesis and cancer progression. We also revealed that TINCR overexpression is induced by nuclear transcription factor SP1. Silencing TINCR expression inhibited cell proliferation, colony formation, tumorigenicity and apoptosis promotion, whereas TINCR overexpression promoted cell growth, as documented in the SGC7901 and BGC823 cell lines. Mechanistic analyses indicated that TINCR could bind to STAU1 (staufen1) protein, and influence KLF2 mRNA stability and expression, then KLF2 regulated cyclin-dependent kinase genes CDKN1A/P21 and CDKN2B/P15 transcription and expression, thereby affecting the proliferation and apoptosis of GC cells. Together, our findings suggest that TINCR contributes to the oncogenic potential of GC and may constitute a potential therapeutic target in this disease.
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Affiliation(s)
- T-P Xu
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - X-X Liu
- Department of Gastrointestinal Surgery, Northern Jiangsu People's Hospital, Clinical Medical School, Yangzhou University, Yangzhou, People's Republic of China
| | - R Xia
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - L Yin
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - R Kong
- Clinical Medical Examination Center, Northern Jiangsu People's Hospital, Clinical Medical School, Yangzhou University, Yangzhou, People's Republic of China
| | - W-M Chen
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - M-D Huang
- Department of Medical Oncology, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, People's Republic of China
| | - Y-Q Shu
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China
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Hu L, Kong R, Xu X. Autumnal increase in proportion of toxic Microcystis
in Lake Taihu depends more on temperature adaptability than on effects of toxigenicity. J Appl Microbiol 2015; 119:744-52. [DOI: 10.1111/jam.12868] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 05/07/2015] [Accepted: 05/29/2015] [Indexed: 11/30/2022]
Affiliation(s)
- L. Hu
- State Key Laboratory of Freshwater Ecology and Biotechnology; Institute of Hydrobiology, Chinese Academy of Sciences; Wuhan Hubei China
| | - R. Kong
- State Key Laboratory of Freshwater Ecology and Biotechnology; Institute of Hydrobiology, Chinese Academy of Sciences; Wuhan Hubei China
| | - X. Xu
- State Key Laboratory of Freshwater Ecology and Biotechnology; Institute of Hydrobiology, Chinese Academy of Sciences; Wuhan Hubei China
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Kong R, Liu Y, Mi W, Fu Q. Influences of different vasopressors on stroke volume variation and pulse pressure variation. J Clin Monit Comput 2015; 30:81-6. [DOI: 10.1007/s10877-015-9687-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 03/11/2015] [Indexed: 11/29/2022]
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Kong R, Zhang Y, Zhang S, Liu M, Sun W, Xing Y, Guan Y, Han C, Liu Z. Protective Effect of Ethanol Extracts of the Chinese Caterpillar Mushroom, Ophiocordyceps sinensis (Ascomycetes), on the Experimental Middle Cerebral Artery Occlusion/Reperfusion (MCAO/R) Model. Int J Med Mushrooms 2015; 17:997-1003. [DOI: 10.1615/intjmedmushrooms.v17.i10.90] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Kong R, Trimmings A, Hutchinson N, Gill R, Agarwal S, Davidson S, Arcari M. Consensus recommendations for using the Multiplate®for platelet function monitoring before cardiac surgery. Int J Lab Hematol 2014; 37:143-7. [DOI: 10.1111/ijlh.12279] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2014] [Accepted: 06/24/2014] [Indexed: 12/31/2022]
Affiliation(s)
- R. Kong
- Royal Sussex County Hospital; Brighton UK
| | | | | | - R. Gill
- University Hospital Southampton; Southampton UK
| | - S. Agarwal
- Liverpool Heart and Chest Hospital; Liverpool UK
| | - S. Davidson
- Royal Brompton and Harefield NHSFT; London UK
| | - M. Arcari
- UPMC Beacon Hospital; Dublin Ireland
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Sun M, Liu XH, Lu KH, Nie FQ, Xia R, Kong R, Yang JS, Xu TP, Liu YW, Zou YF, Lu BB, Yin R, Zhang EB, Xu L, De W, Wang ZX. EZH2-mediated epigenetic suppression of long noncoding RNA SPRY4-IT1 promotes NSCLC cell proliferation and metastasis by affecting the epithelial-mesenchymal transition. Cell Death Dis 2014; 5:e1298. [PMID: 24967960 PMCID: PMC4611729 DOI: 10.1038/cddis.2014.256] [Citation(s) in RCA: 206] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Revised: 05/06/2014] [Accepted: 05/07/2014] [Indexed: 12/14/2022]
Abstract
Recent evidence indicates that long noncoding RNAs (lncRNAs) have a critical role in the regulation of cellular processes such as differentiation, proliferation, and metastasis. These lncRNAs are dysregulated in a variety of cancers and many function as tumor suppressors; however, the regulatory factors involved in silencing lncRNA transcription are poorly understood. In this study, we showed that epigenetic silencing of lncRNA SPRY4 intronic transcript 1 (SPRY4-IT1) occurs in non-small-cell lung cancer (NSCLC) cells through direct transcriptional repression mediated by the Polycomb group protein enhancer of zeste homolog 2 (EZH2). SPRY4-IT1 is derived from an intron within SPRY4, and is upregulated in melanoma cells; knockdown of its expression leads to cell growth arrest, invasion inhibition, and elevated rates of apoptosis. Upon depletion of EZH2 by RNA interference, SPRY4-IT1 expression was restored, and transfection of SPRY4-IT1 into NSCLC cells resulted in a significant antitumoral effect, both in culture and in xenografted nude mice. Moreover, overexpression of SPRY4-IT1 was found to have a key role in the epithelial-mesenchymal transition through the regulation of E-cadherin and vimentin expression. In EZH2-knockdown cells, which characteristically showed impaired cell proliferation and metastasis, the induction of SPRY4-IT1 depletion partially rescued the oncogenic phenotype, suggesting that SPRY4-IT1 repression has an important role in EZH2 oncogenesis. Of most relevance, translation of these findings into human NSCLC tissue samples demonstrated that patients with low levels of SPRY4-IT1 expression had a shorter overall survival time, suggesting that SPRY4-IT1 could be a biomarker for poor prognosis of NSCLC.
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Affiliation(s)
- M Sun
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, People's Republic of China
| | - X-H Liu
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, People's Republic of China
| | - K-H Lu
- Department of Oncology, First Affiliated Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - F-Q Nie
- Department of Oncology, First Affiliated Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - R Xia
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, People's Republic of China
| | - R Kong
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, People's Republic of China
| | - J-S Yang
- Department of Oncology, Nanjing First Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - T-P Xu
- Department of Oncology, First Affiliated Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - Y-W Liu
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Y-F Zou
- Department of Obstetrics and Gynecology, First Affiliated Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - B-B Lu
- Department of Oncology, Second Affiliated Hospital, Nanjing Medical University, Nanjing, People's Republic of China
| | - R Yin
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital, Cancer Institute of Jiangsu Province, Nanjing, People's Republic of China
| | - E-B Zhang
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, People's Republic of China
| | - L Xu
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital, Cancer Institute of Jiangsu Province, Nanjing, People's Republic of China
| | - W De
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Z-X Wang
- Department of Oncology, Second Affiliated Hospital, Nanjing Medical University, Nanjing, People's Republic of China
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Kong R, Wang C, Ma X, Liu J, Chen W. Peptides design based on the interfacial helix of integrase dimer. Conf Proc IEEE Eng Med Biol Soc 2012; 2005:4743-6. [PMID: 17281301 DOI: 10.1109/iembs.2005.1615531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
HIV-I integrase (IN) plays a crucial role in the retroviral life cycle. The peptides derived from the helix of IN were reported to have the potency of inhibition. We designed a series of peptides based on interface helices alpha1 and alpha5 with the aim of increasing their inhibitory activity. The helix-forming tendency and the affinity with IN were essential for interfacial peptide inhibitors. The MD simulation and AGADIR prediction both showed favorable results for the designed peptides. The binding mode and binding free energy of peptide and IN were investigated subsequently to test our design. The improvement in binding free energy compared with that of alpha1 and alpha5 indicates that some of the designed peptides may have a higher potency for inhibiting the dimerization of IN. This study provides some useful information for rational design of IN peptide inhibitor.
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Affiliation(s)
- R Kong
- Coll. of Life Sci. & Bioeng., Beijing Univ. of Technol
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