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Wu J, Xu QQ, Jiang YR, Chen JB, Ying WX, Fan QX, Wang HF, Wang Y, Shi SW, Pan JZ, Fang Q. One-Shot Single-Cell Proteome and Metabolome Analysis Strategy for the Same Single Cell. Anal Chem 2024; 96:5499-5508. [PMID: 38547315 DOI: 10.1021/acs.analchem.3c05659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Characterizing the profiles of proteome and metabolome at the single-cell level is of great significance in single-cell multiomic studies. Herein, we proposed a novel strategy called one-shot single-cell proteome and metabolome analysis (scPMA) to acquire the proteome and metabolome information in a single-cell individual in one injection of LC-MS/MS analysis. Based on the scPMA strategy, a total workflow was developed to achieve the single-cell capture, nanoliter-scale sample pretreatment, one-shot LC injection and separation of the enzyme-digested peptides and metabolites, and dual-zone MS/MS detection for proteome and metabolome profiling. Benefiting from the scPMA strategy, we realized dual-omic analysis of single tumor cells, including A549, HeLa, and HepG2 cells with 816, 578, and 293 protein groups and 72, 91, and 148 metabolites quantified on average. A single-cell perspective experiment for investigating the doxorubicin-induced antitumor effects in both the proteome and metabolome aspects was also performed.
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Affiliation(s)
- Jie Wu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Qin-Qin Xu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Yi-Rong Jiang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Jian-Bo Chen
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Wei-Xin Ying
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Qian-Xi Fan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Hui-Feng Wang
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
| | - Yu Wang
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
| | - Shao-Wen Shi
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
| | - Jian-Zhang Pan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
| | - Qun Fang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
- Key Laboratory for Biomedical Engineering of Ministry of Education, Cancer Center, Zhejiang University, Hangzhou 310007, China
- Key Laboratory of Excited-State Materials of Zhejiang Province, Zhejiang University, Hangzhou 310007, China
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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Li YF, Li M, Yang F, Wang HF, Xu F, Chen SY, Sun B, Chen ZH, Huang XS. [Clinical and electrophysiological characteristics and treatment outcomes of anti-neutrophil cytoplasmic antibody ANCA-associated vasculitic neuropathy]. Zhonghua Nei Ke Za Zhi 2024; 63:386-393. [PMID: 38561284 DOI: 10.3760/cma.j.cn112138-20231031-00267] [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: 04/04/2024]
Abstract
Objective: To investigate the clinical and electrophysiological characteristics of ANCA-associated vasculitic neuropathy (VN) and analyze the predictors of treatment outcomes. Methods: Retrospective case series. In all, 652 consecutive patients with ANCA-associated vasculitis were admitted to the First Medical Center of the Chinese PLA General Hospital between January 2006 and December 2022. Peripheral neuropathy occurred in 91 patients. Patients were excluded if other known causes of neuropathy were present. Sixty-one patients were eventually enrolled, including 17 with eosinophilic granulomatosis with polyangiitis (EGPA), 11 with granulomatosis polyangiitis (GPA), and 33 with microscopic polyangiitis (MPA). Their clinical data were collected and clinical characteristics, VN manifestations, electrophysiological findings (including interside amplitude ratio [IAR]), and treatment outcomes were compared among the three subsets of AAV. Then, factors influencing the treatment outcomes were analyzed using multivariable logistic regression analysis. Results: Peripheral neuropathy occurred in 62.1%(18/29) of EGPA, 8.3%(15/180) of GPA, and 13.1%(58/443) of MPA patients. The age at onset and examination was higher in patients with MPA than those with EGPA or GPA (P<0.01). The occurrence of VN was later in patients with GPA than those with EGPA (P<0.01), and the GPA group had fewer affected nerves than the other two groups (P<0.016). The abnormal IARs of motor nerves in lower limbs were more detected in the EGPA than the MPA group (P<0.01). Logistic regression analysis suggested that higher Birmingham vasculitis activity score-version 3 (BVAS-V3) (OR=6.85, 95%CI 1.33-35.30) was associated with better treatment outcomes of VN. However, central nervous system involvement was a risk factor for poor treatment outcomes (OR=0.13, 95%CI 0.02-0.89). Conclusions: The clinical and electrophysiological characteristics of VN were slightly different among subsets of AAV. Patients with GPA often presented with polyneuropathy and had fewer nerves affected; mononeuritis multiplex was more common in EGPA than GPA and MPA. Higher BVAS-V3 and central nervous system involvement might predict the treatment outcome of VN.
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Affiliation(s)
- Y F Li
- Department of Neurology of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China Geriatric Neurological Department of the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing 100853, China
| | - M Li
- Department of Neurology of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - F Yang
- Department of Neurology of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - H F Wang
- Department of Neurology of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - F Xu
- Department of Neurology of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - S Y Chen
- Geriatric Neurological Department of the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing 100853, China
| | - B Sun
- Geriatric Neurological Department of the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing 100853, China
| | - Z H Chen
- Department of Neurology of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - X S Huang
- Department of Neurology of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
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Wang Y, Guan ZY, Shi SW, Jiang YR, Zhang J, Yang Y, Wu Q, Wu J, Chen JB, Ying WX, Xu QQ, Fan QX, Wang HF, Zhou L, Wang L, Fang J, Pan JZ, Fang Q. Pick-up single-cell proteomic analysis for quantifying up to 3000 proteins in a Mammalian cell. Nat Commun 2024; 15:1279. [PMID: 38341466 PMCID: PMC10858870 DOI: 10.1038/s41467-024-45659-4] [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: 10/09/2022] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
The shotgun proteomic analysis is currently the most promising single-cell protein sequencing technology, however its identification level of ~1000 proteins per cell is still insufficient for practical applications. Here, we develop a pick-up single-cell proteomic analysis (PiSPA) workflow to achieve a deep identification capable of quantifying up to 3000 protein groups in a mammalian cell using the label-free quantitative method. The PiSPA workflow is specially established for single-cell samples mainly based on a nanoliter-scale microfluidic liquid handling robot, capable of achieving single-cell capture, pretreatment and injection under the pick-up operation strategy. Using this customized workflow with remarkable improvement in protein identification, 2449-3500, 2278-3257 and 1621-2904 protein groups are quantified in single A549 cells (n = 37), HeLa cells (n = 44) and U2OS cells (n = 27) under the DIA (MBR) mode, respectively. Benefiting from the flexible cell picking-up ability, we study HeLa cell migration at the single cell proteome level, demonstrating the potential in practical biological research from single-cell insight.
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Affiliation(s)
- Yu Wang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
- Single-cell Proteomics Research Center, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China
- College of Computer Science and Technology, Zhejiang University, Hangzhou, 310027, China
| | - Zhi-Ying Guan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Shao-Wen Shi
- Single-cell Proteomics Research Center, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China
| | - Yi-Rong Jiang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jie Zhang
- Department of Cell Biology, China Medical University, Shenyang, 110122, China
| | - Yi Yang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
- Single-cell Proteomics Research Center, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China
| | - Qiong Wu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jie Wu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jian-Bo Chen
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Wei-Xin Ying
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Qin-Qin Xu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Qian-Xi Fan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Hui-Feng Wang
- Single-cell Proteomics Research Center, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China
| | - Li Zhou
- Shanghai Omicsolution Co., Shanghai, 201100, China
| | - Ling Wang
- Shanghai Omicsolution Co., Shanghai, 201100, China
| | - Jin Fang
- Department of Cell Biology, China Medical University, Shenyang, 110122, China
| | - Jian-Zhang Pan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
- Single-cell Proteomics Research Center, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China
| | - Qun Fang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China.
- Single-cell Proteomics Research Center, ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China.
- Key Laboratory of Excited-State Materials of Zhejiang Province, Zhejiang University, Hangzhou, 310007, China.
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Li DX, Fan W, Zhu L, Hu X, Li Y, Ma HX, Wang HF, Ye Y, Su J, Huang XY. [Monitoring and analysis on host animals of hemorrhagic fever with renal syndrome in Henan Province from 2019 to 2022]. Zhonghua Yu Fang Yi Xue Za Zhi 2024; 58:18-24. [PMID: 38228545 DOI: 10.3760/cma.j.cn112150-20230829-00135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Objective: To investigate the distribution and hantavirus (HV) carrying state in host animals of hemorrhagic fever with renal syndrome (HFRS) in Henan Province from 2019 to 2022. Methods: Host animal monitoring was carried out at the monitoring sites of HFRS in Henan Province. The real-time fluorescence quantitative PCR was used to detect hantavirus in rat lungs. The types of hantavirus were analyzed. The positive samples were sequenced and then sequence homology and variation were analyzed. Results: A total of 1 308 rodents were captured from 2019 to 2022, 16 specimens of rat lungs tested positive for hantavirus nucleic acid. The positive rate of HV was 1.22% (16/1 308). According to type, the positive rate of HV in Apodius agrarius was the highest (68.75%, 11/16). According to distribution, the positive rate of HV in field samples was the highest (2.50%, 12/480), and the positive rate of HV in residential samples was 0.53% (4/759). The typing results of 16 positive samples showed that all viruses were hantavirus type Ⅰ (hantaan virus). The positive samples were sequenced and eight S gene fragments (GenBank number: OQ681444-OQ681451) and six M gene fragments (OQ681438-OQ681443) were obtained. The S and M gene fragments were similar to the Shaanxi 84FLi strain and Sichuan SN7 strain. Phylogenetic analysis of S and M gene fragments showed that they all belonged to the hantaan virus-H5 subtype. Amino acid sequence analysis revealed that, compared with the hantaan virus vaccine strain 84FLi, the 74th amino acid encoded by eight S fragments was replaced by aspartamide with serine. Tryptophan was replaced by glycine at the 14th position of Gn region in XC2022047, and isoleucine was replaced by alanine at the 359 position of XC2022022 and XC2022024. Conclusion: The hantavirus carried by host animals in Henan Province from 2019 to 2022 belongs to the type Ⅰ (hantaan virus), and Apodemus agrarius is still the dominant host animal of the hantaan virus. Compared with the vaccine strains, amino acid sites are replaced in the immune epitopes of the S and M gene fragments.
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Affiliation(s)
- D X Li
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - W Fan
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - L Zhu
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - X Hu
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - Y Li
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - H X Ma
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - H F Wang
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - Y Ye
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - J Su
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
| | - X Y Huang
- Infectious Disease Prevention and Control Institute, Center for Disease Control and Prevention of Henan Province, Zhengzhou 450016, China
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Wang HF, Zhao ZL. Triptolide inhibits proliferation and invasion of colorectal cancer cells by blocking Nrf2 expression. Chem Biol Drug Des 2024; 103:e14410. [PMID: 38230794 DOI: 10.1111/cbdd.14410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/26/2023] [Accepted: 11/20/2023] [Indexed: 01/18/2024]
Abstract
Triptolide (TPL), the main active ingredient of Tripterygium wilfordii, has anti-inflammatory, immunomodulatory, and antitumor actions. It can also inhibit cell proliferation and metastasis while promoting apoptosis of several tumors, such as colorectal cancer (CRC). However, the mechanism of TPL against CRC is not clear. This study was designed to investigate the effects and molecular mechanisms of TPL on the proliferation and invasion ability of CRC cells. A human CRC cell line (HT29 cell line) cultured in vitro was treated with different concentrations of TPL (0, 25, 50, and 100 nmol/L). The proliferation of cells was detected by MTT, the invasion ability of cells by Transwell, and the apoptosis level by flow cytometry. The protein expression levels of nuclear factor-erythroid 2-related factor 2 (Nrf2), matrix metalloproteinase (MMP)-2, and MMP-9 were detected by western blotting. After transfection with sh-Nrf2, HT29 cells were divided into NC group, NC + TPL group and sh-Nrf2 + TPL group, and the above assays were repeated for each group. TPL significantly inhibited the proliferation and invasion ability of HT29 cells and promoted apoptosis (p < .05). Notably, its inhibitory or promotional effects were concentration-dependent, which were enhanced with increasing drug concentration (p < .05). After silencing Nrf2 expression, the proliferation, and invasion ability of HT29 cells were further significantly inhibited while cells apoptosis was further promoted (p < .05). Besides, the decreased Nrf2 expression reduced the protein expression levels of MMP-2 and MMP-9 (p < .05). TPL can effectively inhibit the proliferation and invasion while promoting apoptosis of HT29 cells. And its mechanism of action may be related to the inhibition of Nrf2 signaling expression.
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Affiliation(s)
- Hui-Feng Wang
- The Second General Surgery Department, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Zhi-Long Zhao
- The Second General Surgery Department, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
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He Y, Ma R, Wang HF, Zhang YY, Lyu M, Mo XD, Yan CH, Wang Y, Zhang XH, Xu LP, Liu KY, Huang XJ, Sun YQ. [Clinical analysis of 8 cases of refractory hematopoietic reconstitution after haploid hematopoietic stem cell transplantation treated with purified donor CD34-selected hematopoietic stem cells]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:1027-1031. [PMID: 38503527 PMCID: PMC10834869 DOI: 10.3760/cma.j.issn.0253-2727.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Indexed: 03/21/2024]
Affiliation(s)
- Y He
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - R Ma
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - H F Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Y Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - M Lyu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X D Mo
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - C H Yan
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X H Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - L P Xu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - K Y Liu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X J Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Q Sun
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
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Gao MX, Lei Y, Guo LR, Qu JW, Wang HF, Liu XM, Li R, Kong M, Zhuang ZC, Tan ZL, Li XY, Zhang Y. [Periodic dynamic observation and analysis of cellular and humoral immunity indexes of adults infected with Omicron BA.1]. Zhonghua Yu Fang Yi Xue Za Zhi 2023; 57:2117-2121. [PMID: 38186164 DOI: 10.3760/cma.j.cn112150-20230526-00410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Objective: To analyze the immunological characteristics and antibody changes of patients infected with the Omicron BA.1 and evaluate the possibility of secondary infection. Methods: A total of 104 patients infected with Omicron BA.1 in the Jinnan District of Tianjin from January 8 to February 2, 2022, were included in the study. The control group and case group were matched 1∶1 based on age, sex and vaccination status. Serum was collected from the case group and control group at 3, 6 and 9 months after infection. The serum levels of interleukin4 (IL-4), IL-5 and interferon-gamma (IFN-γ), as well as the positive rates of IgG, IgG1 and IgG2, were detected by ELISA. Results: The highest concentration of IFN-γ in the case group at 6 months after infection was 145.4 pg/ml, followed by a decrease in concentration. The concentrations of IL-4 and IL-5 began to decrease at 6 months after infection (all P<0.001). There was no significant difference in the IgG2 positive rate between the case group and the control group at 6 months after BA.1 infection. However, at 9 months, there was a significant decrease compared to the control group (P=0.003). The ratio of IFN-γ/IL4 at 3 months after infection in the case group was lower than that in the control group (P<0.001). There was no significant difference in the ratio between the case group and the control group at 9 months after infection. Conclusion: The cellular immune function has been impaired at 3 months after infection with BA.1, and the specific cellular immune and humoral immune functions decrease significantly after 6 months, and the risk of secondary infection increases.
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Affiliation(s)
- M X Gao
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - Y Lei
- Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China Tianjin Key Laboratory of Pathogenic Microorganisms for Infectious Diseases, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - L R Guo
- Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China Tianjin Key Laboratory of Pathogenic Microorganisms for Infectious Diseases, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - J W Qu
- Institute of immunization, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - H F Wang
- Institute of immunization, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - X M Liu
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - R Li
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - M Kong
- Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China Tianjin Key Laboratory of Pathogenic Microorganisms for Infectious Diseases, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - Z C Zhuang
- Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China Tianjin Key Laboratory of Pathogenic Microorganisms for Infectious Diseases, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - Z L Tan
- Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China Tianjin Key Laboratory of Pathogenic Microorganisms for Infectious Diseases, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - X Y Li
- School of Public Health, Tianjin Medical University, Tianjin 300070, China Institute of Microbiology, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China Tianjin Key Laboratory of Pathogenic Microorganisms for Infectious Diseases, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
| | - Y Zhang
- Department of Director, Tianjin Center for Disease Control and Prevention, Tianjin 300011, China
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8
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Jiang YR, Zhu L, Cao LR, Wu Q, Chen JB, Wang Y, Wu J, Zhang TY, Wang ZL, Guan ZY, Xu QQ, Fan QX, Shi SW, Wang HF, Pan JZ, Fu XD, Wang Y, Fang Q. Simultaneous deep transcriptome and proteome profiling in a single mouse oocyte. Cell Rep 2023; 42:113455. [PMID: 37976159 DOI: 10.1016/j.celrep.2023.113455] [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: 12/10/2022] [Revised: 09/23/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023] Open
Abstract
Although single-cell multi-omics technologies are undergoing rapid development, simultaneous transcriptome and proteome analysis of a single-cell individual still faces great challenges. Here, we developed a single-cell simultaneous transcriptome and proteome (scSTAP) analysis platform based on microfluidics, high-throughput sequencing, and mass spectrometry technology to achieve deep and joint quantitative analysis of transcriptome and proteome at the single-cell level, providing an important resource for understanding the relationship between transcription and translation in cells. This platform was applied to analyze single mouse oocytes at different meiotic maturation stages, reaching an average quantification depth of 19,948 genes and 2,663 protein groups in single mouse oocytes. In particular, we analyzed the correlation of individual RNA and protein pairs, as well as the meiosis regulatory network with unprecedented depth, and identified 30 transcript-protein pairs as specific oocyte maturational signatures, which could be productive for exploring transcriptional and translational regulatory features during oocyte meiosis.
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Affiliation(s)
- Yi-Rong Jiang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Le Zhu
- School of Medicine, Liangzhu Laboratory, Zhejiang University, Hangzhou 311113, China
| | - Lan-Rui Cao
- School of Medicine, Liangzhu Laboratory, Zhejiang University, Hangzhou 311113, China
| | - Qiong Wu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Jian-Bo Chen
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Yu Wang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China; ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
| | - Jie Wu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | | | | | - Zhi-Ying Guan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Qin-Qin Xu
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Qian-Xi Fan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Shao-Wen Shi
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
| | - Hui-Feng Wang
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
| | - Jian-Zhang Pan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China; ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China
| | - Xu-Dong Fu
- School of Medicine, Liangzhu Laboratory, Zhejiang University, Hangzhou 311113, China; Center of Stem Cell and Regenerative Medicine and Bone Marrow Transplantation Center of the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310011, China.
| | - Yongcheng Wang
- School of Medicine, Liangzhu Laboratory, Zhejiang University, Hangzhou 311113, China; Department of Laboratory Medicine, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310011, China.
| | - Qun Fang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou 310058, China; ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311200, China; Key Laboratory of Excited-State Materials of Zhejiang Province, Zhejiang University, Hangzhou 310007, China.
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9
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Zong YF, Tan Y, Baerxiaguli Z, Wang HF. [Clinical study of antinib combined with radiotherapy in the treatment of third-line extensive small cell lung cancer]. Zhonghua Zhong Liu Za Zhi 2023; 45:892-897. [PMID: 37875425 DOI: 10.3760/cma.j.cn112152-20220324-00204] [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] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Objective: To explore whether the survival benefit of the third-line extensive small-cell lung cancer (ES-SCLC) will be obtained by the combination of anlotinib and radiotherapy, and evaluate the safety of this treatment regimen. Methods: Twenty-seven patients with ES-SCLC who received third-line treatment with less than three metastatic organs at the Cancer Hospital of Xinjiang Medical University from November 2018 to July 2021 were collected and treated with radiotherapy based on anlotinib. Kaplan-Meier curve was used to estimate the overall survival (OS) and progression-free survival (PFS), descriptive statistical analysis was used to evaluate the safety, and European organisation for research and treatment of cancer quality of life questionnaire-core 30 (EORTC QLQ-C30) was used to evaluate the quality of life. Results: The follow-up cut-off date was July 1, 2021, and the follow-up time ranged from 4.8 to 31.0 months, with a median follow-up time of 10.2 months for the entire group. Among the 27 patients, 4 achieved partial remission, 17 had stable disease and 6 had progression of disease. The objective remission rate (ORR) was 14.8%, and the disease control rate (DCR) was 77.8%. Median PFS and the median OS were 5 months and 11 months, respectively. The most common adverse reactions included fatigue (33.3%, 9/27), anorexia (14.8%, 4/27), bleeding (14.8%, 4/27) and hand-foot syndrome (11.1%, 3/27). Most of them were grade 1 to grade 2, 3 cases were more than grade 3, and there was no grade 5 toxicity recorded. After radiotherapy combined with amlotinib treatment, patients showed improvement in general health, somatic functioning, social functioning, and emotional functioning (all P<0.05). Conclusion: For the third-line ES-SCLC patients, radiotherapy based on the anlotinib can significantly prolong their PFS and OS, and the adverse reactions can be tolerated.
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Affiliation(s)
- Y F Zong
- Department of Radiotherapy of the Chest and Abdomen, Affiliated Cancer Hospital of Xinjiang Medical University, Urumqi 830011, China
| | - Y Tan
- Department of Radiotherapy of the Chest and Abdomen, Affiliated Cancer Hospital of Xinjiang Medical University, Urumqi 830011, China
| | - Zhabihula Baerxiaguli
- Department of Radiotherapy of the Chest and Abdomen, Affiliated Cancer Hospital of Xinjiang Medical University, Urumqi 830011, China
| | - H F Wang
- Department of Radiotherapy of the Chest and Abdomen, Affiliated Cancer Hospital of Xinjiang Medical University, Urumqi 830011, China
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10
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Li Y, Wang XY, Li YF, Li DX, Hu X, Zhu L, You AG, Wang HF, Ye Y, Guo WS, Huang XY. [The epidemiology and pathogeny investigation of two clusters of severe fever with thrombocytopenia syndrome disease outbreaking in Henan Province, 2022]. Zhonghua Yu Fang Yi Xue Za Zhi 2023; 57:1719-1724. [PMID: 37859394 DOI: 10.3760/cma.j.cn112150-20221130-01162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
To investigate two clusters of severe fever with thrombocytopenia syndrome virus (SFTSV) in Xinyang City, Henan Province, in 2022, and analyze their causes, transmission route, risk factors, and the characteristics of virus genetic variation. Case search and case investigation were carried out according to the case definition. Blood samples from cases, family members and neighbors and samples of biological vectors were collected for RT-PCR to detect SFTSV. The whole genome sequencing and bioinformatics analysis were performed on the collected positive samples. A total of two clustered outbreaks occurred, involving two initial cases and ten secondary cases, all of which were family recurrent cases. Among them, nine secondary cases had close contact with the blood of the initial case, and it was determined that close contact with blood was the main risk factor for the two clustered outbreaks. After genome sequencing analysis, we found that the SFTSV genotype in two cases was type A, which was closely related to previous endemic strains in Xinyang. The nucleotide sequence of the SFTSV in the case was highly homologous, with a total of nine amino acid mutation sites in the coding region. It was not ruled out that its mutation sites might have an impact on the outbreak of the epidemic.
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Affiliation(s)
- Y Li
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - X Y Wang
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Y F Li
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - D X Li
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - X Hu
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - L Zhu
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - A G You
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - H F Wang
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - Y Ye
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - W S Guo
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
| | - X Y Huang
- Henan Key Laboratory of Infectious Disease Microbiology/Infectious Disease Control and Prevention Institute, Henan Provincial Center for Disease Control and Prevention, Zhengzhou 450016, China
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11
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Yang J, Ding A, Zhou JL, Yan BY, Gu Z, Wang HF. A Floating Capsule Electrochemical System for In Situ and Multichannel Ion-Selective Sensing. Biosensors (Basel) 2023; 13:914. [PMID: 37887107 PMCID: PMC10605769 DOI: 10.3390/bios13100914] [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] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 09/29/2023] [Accepted: 09/29/2023] [Indexed: 10/28/2023]
Abstract
Free-floating electrochemical sensors are promising for in situ bioprocess monitoring with the advantages of movability, a lowered risk of contamination, and a simplified structure of the bioreactor. Although floating sensors were developed for the measurement of physical and chemical indicators such as temperature, velocity of flow, pH, and dissolved oxygen, it is the lack of available electrochemical sensors for the determination of the inorganic ions in bioreactors that has a significant influence on cell culture. In this study, a capsule-shaped electrochemical system (iCapsuleEC) is developed to monitor ions including K+, NH4+, Na+, Ca2+, and Mg2+ based on solid-contact ion-selective electrodes (SC-ISEs). It consists of a disposable electrochemical sensor and signal-processing device with features including multichannel measurement, self-calibration, and wireless data transmission. The capacities of the iCapsuleEC were demonstrated not only for in situ measurement of ion concentrations but also for the optimization of the sensing electrodes. We also explored the possibility of the system for use in detection in simulated cell culture media.
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Affiliation(s)
- Jie Yang
- Key Laboratory of Smart Manufacturing in Energy Chemical Process Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Ao Ding
- Key Laboratory of Smart Manufacturing in Energy Chemical Process Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Jia-Le Zhou
- Key Laboratory of Smart Manufacturing in Energy Chemical Process Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Bing-Yong Yan
- Key Laboratory of Smart Manufacturing in Energy Chemical Process Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Zhen Gu
- Key Laboratory of Smart Manufacturing in Energy Chemical Process Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
| | - Hui-Feng Wang
- Key Laboratory of Smart Manufacturing in Energy Chemical Process Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
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12
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He Y, Ma R, Wang HF, Mo XD, Zhang YY, Lyu M, Yan CH, Wang Y, Zhang XH, Xu LP, Liu KY, Sun XJ, Huang YQ. [Clinical significance of Epstein-Barr Virus detection in the cerebrospinal fluid of patients who underwent hematopoietic stem cell transplantation]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:737-741. [PMID: 38049317 PMCID: PMC10630578 DOI: 10.3760/cma.j.issn.0253-2727.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Indexed: 12/06/2023]
Abstract
Objective: To analyze the detection rate, clinical significance, and prognosis of Epstein-Barr virus (EBV) in the cerebrospinal fluid (CSF) of patients following allogeneic hematopoietic stem cell transplantation. Methods: A retrospective analysis was performed on 1100 patients who underwent the CSF virus test after allogeneic hematopoietic stem cell transplantation in Peking University People's Hospital between January 2017 and June 2022. Among them, 19 patients were screened positive for EBV in their CSF, and their clinical characteristics, treatment, and prognosis were analyzed. Results: Among 19 patients with EBV-positive cerebrospinal fluid, 12 were male and 7 were female, with 5 patients aged <18 years and 12 aged ≥18 years, with a median age of 27 (5-58) years old. There were 7 cases of acute myeloid leukemia, 8 of acute lymphocytic leukemia, 2 of aplastic anemia, 1 of Hodgkin's lymphoma, and 1 of hemophagocytic syndrome. All 19 patients underwent haploid hematopoietic stem cell transplantation, including 1 secondary transplant. Nineteen patients had neurological symptoms (headache, dizziness, convulsions, or seizures), of which 13 had fever. Ten cases showed no abnormalities in cranial imaging examination. Among the 19 patients, 6 were diagnosed with EB virus-related central nervous system diseases, with a median diagnosis time of 50 (22-363) days after transplantation. In 9 (47.3%) patients, EBV was detected in their peripheral blood, and they were treated with intravenous infusion of rituximab (including two patients who underwent lumbar puncture and intrathecal injection of rituximab). After treatment, EBV was not detected in seven patients. Among the 19 patients, 2 died from EBV infection and 2 from other causes. Conclusion: In patients who exhibited central nervous system symptoms after allogeneic hematopoietic stem cell transplantation, EBV should be screened as a potential pathogen. EBV detected in the CSF may indicate an infection; however, it does not confirm the diagnosis.
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Affiliation(s)
- Y He
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - R Ma
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - H F Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X D Mo
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Y Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - M Lyu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - C H Yan
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X H Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - L P Xu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - K Y Liu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X J Sun
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Q Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
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13
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Ma R, He Y, Wang HF, Bai L, Han W, Cheng YF, Liu KY, Xu LP, Zhang XH, Wang Y, Zhang YY, Wang FR, Mo XD, Yan CH, Huang XJ, Sun YQ. [Clinical analysis of the usefulness of letermovir for prevention of cytomegalovirus infection after haploidentical hematopoietic stem cell transplantation]. Zhonghua Nei Ke Za Zhi 2023; 62:826-832. [PMID: 37394853 DOI: 10.3760/cma.j.cn112138-20221204-00904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Objective: To analyze the efficacy and safety of letermovir in primary prophylaxis of cytomegalovirus (CMV) reactivation in patients receiving haploidentical hematopoietic stem cell transplantation. Methods: This retrospective, cohort study was conducted using data of patients who underwent haploidentical transplantation at Peking University Institute of Hematology and received letermovir for primary prophylaxis between May 1, 2022 and August 30, 2022. The inclusion criteria of the letermovir group were as follows: letermovir initiation within 30 days after transplantation and continuation for≥90 days after transplantation. Patients who underwent haploidentical transplantation within the same time period but did not receive letermovir prophylaxis were selected in a 1∶4 ratio as controls. The main outcomes were the incidence of CMV infection and CMV disease after transplantation as well as the possible effects of letermovir on acute graft versus host disease (aGVHD), non-relapse mortality (NRM), and bone marrow suppression. Categorical variables were analyzed by chi-square test, and continuous variables were analyzed by Mann-Whitney U test. The Kaplan-Meier method was used for evaluating incidence differences. Results: Seventeen patients were included in the letermovir prophylaxis group. The median patient age in the letermovir group was significantly greater than that in the control group (43 yr vs. 15 yr; Z=-4.28, P<0.001). The two groups showed no significant difference in sex distribution and primary diseases, etc. (all P>0.05). The proportion of CMV-seronegative donors was significantly higher in the letermovir prophylaxis group in comparison with the control group (8/17 vs. 0/68, χ2=35.32, P<0.001). Three out of the 17 patients in the letermovir group experienced CMV reactivation, which was significantly lower than the incidence of CMV reactivation in the control group (3/17 vs. 40/68, χ2=9.23, P=0.002), and no CMV disease development observed in the letermovir group. Letermovir showed no significant effects on platelet engraftment (P=0.105), aGVHD (P=0.348), and 100-day NRM (P=0.474). Conclusions: Preliminary data suggest that letermovir may effectively reduce the incidence of CMV infection after haploidentical transplantation without influencing aGVHD, NRM, and bone marrow suppression. Prospective randomized controlled studies are required to further verify these findings.
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Affiliation(s)
- R Ma
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y He
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - H F Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - L Bai
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - W Han
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y F Cheng
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - K Y Liu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - L P Xu
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X H Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Y Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - F R Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X D Mo
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - C H Yan
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - X J Huang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
| | - Y Q Sun
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing 100044, China
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Zheng JN, Yu Y, Zhang SY, Du XY, Wang HF, Hu WJ. [Analysis of the status of occupational disease prevention and control of enterprises in mining and manufacturing industries in China in 2019]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2023; 41:338-344. [PMID: 37248078 DOI: 10.3760/cma.j.cn121094-20221009-00481] [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: 05/31/2023]
Abstract
Objective: To analyze the status of prevention and treatment of occupational diseases among mining and manufacturing industries in China in 2019, provide the scientific basis for the formulation and revision of policies and standards of prevention and treatment of occupational diseases. Methods: In May 2022, Collecting data of a project named Surveillance of Occupational Hazards in the Workplace in 2019 through the National Surveillance System for Occupational Hazards in the workplace. Compare the status of prevention and treatment of occupational diseases in 63 563 enterprises of mining and manufacturing industries among different dimensions. Results: The training rate of managers was 76.17% and that of occupational health managers was 76.97%. The rate of reporting of occupational diseases hazardous items was 67.58%, the rate of launching of the detection of occupational hazards was 57.16%, and the rate of launching of occupational health examination was 62.42%. Excluding the distribution rate of dust mask, the installation rate of various occupational prevention facilities and the distribution rate of gas mask and hearing protector were less than 80%. The differences in all the indicators among different areas, enterprise scales, economic types were statistically significant (P<0.05) . Conclusion: There are still some enterprises which are relatively weak in the ability of the prevention and treatment of occupational diseases in China. Measures such as special support, guidance and strengthen supervision should be taken towards those enterprises toimprove the awareness of prevention and treatment of occupational diseases and the level of that.
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Affiliation(s)
- J N Zheng
- National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Y Yu
- National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - S Y Zhang
- National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - X Y Du
- National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - H F Wang
- National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - W J Hu
- National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China
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15
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Fan M, Gu Z, Chen W, Wang H, Zhuang Y, Xia J. Micro-electrochemical DO sensor with ultra-micropore matrix fabricated with femtosecond laser processing successfully applied in on-line DO monitoring for yeast culture. Biotechnol Lett 2023; 45:449-461. [PMID: 36707453 DOI: 10.1007/s10529-023-03348-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 12/19/2022] [Accepted: 01/05/2023] [Indexed: 01/29/2023]
Abstract
Accurate monitoring of dissolved oxygen (DO) is vital for aerobic fermentation process control. This work presents an autoclavable Micro-Dissolved oxygen Sensor (MDS) that can monitor real time DO. The proposed sensor is much cheaper to be manufactured (< $35) and can be adapted to varying measurement environments. An ultra-micropore matrix was created using femtosecond laser processing technology to reduce flow dependency of probe signals. The validity of the proposed DO sensor was verified by testing it under different DO levels. The result revealed consistency between the new designed sensor and a commercial DO sensor. The obtained sensitivity was- 7.93 μA·L·mg-1 (MDS with ultra-micropore matrix). Moreover, the MDS can function without an oxygen-permeable membrane and a solid electrolyte was used which reduced the response time (4.6 s). For real-time monitoring, the stability of the MDS was validated during a yeast batch fermentation carried out until 18 h.
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Affiliation(s)
- Meng Fan
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Zhen Gu
- Key Laboratory of Smart Manufacturing in Energy Chemical Process Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Wei Chen
- XXL-The Extreme Optoelectromechanics Laboratory, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, China
| | - HuiFeng Wang
- Key Laboratory of Smart Manufacturing in Energy Chemical Process Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - YingPing Zhuang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Jianye Xia
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China.
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Science, Tianjin, 300308, China.
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16
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Lin TT, Wang JW, Shi QN, Wang HF, Pan JZ, Fang Q. An automated, fully-integrated nucleic acid analyzer based on microfluidic liquid handling robot technique. Anal Chim Acta 2023; 1239:340698. [PMID: 36628766 DOI: 10.1016/j.aca.2022.340698] [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: 04/22/2022] [Revised: 10/29/2022] [Accepted: 11/30/2022] [Indexed: 12/03/2022]
Abstract
On-site nucleic acid testing (NAT) plays an important role for disease monitoring and pathogen diagnosis. In this work, we developed an automated and fully-integrated nucleic acid analyzer by combining the automated liquid handling robot technique with the microfluidic droplet-based real-time PCR assay technique. The present analyzer could achieve multiple operations including sample introduction, nucleic acid extraction based on magnetic solid-phase extraction, reverse transcription and, sample droplet generation, PCR amplification, real-time and dual fluorescence detection of droplet array. A strategy of constructing an integrated compact and low-cost system was adopted to minimize the analyzer size to 50 × 45 × 45 cm (length × width × height), and reduce the instrument cost to ca. $900 with a single analysis cost less than $5. A simple chip was also designed to pre-load reagents and carry oil-covered PCR reaction droplets. We applied the analyzer to identify eight types of influenza pathogens in human throat swabs, and the results were consistent with the colloidal gold method.
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Affiliation(s)
- Tong-Tong Lin
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jian-Wei Wang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Qian-Nuan Shi
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Hui-Feng Wang
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China
| | - Jian-Zhang Pan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China; ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China.
| | - Qun Fang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China; ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China; Key Laboratory of Excited-State Materials of Zhejiang Province, Zhejiang University, Hangzhou, 310007, China; College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China.
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Pan JZ, Fan C, Zuo ZQ, Yuan YX, Wang HF, Dong Z, Fang Q. Lab at home: a promising prospect for on-site chemical and biological analysis. Anal Bioanal Chem 2023; 415:17-25. [PMID: 36334114 PMCID: PMC9638225 DOI: 10.1007/s00216-022-04392-x] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 10/05/2022] [Accepted: 10/19/2022] [Indexed: 11/07/2022]
Abstract
The continuing pursuit for a healthy life has led to the urgent need for on-site analysis. In response to the urgent needs of on-site analysis, we propose a novel concept, called lab at home (LAH), for building automated and integrated total analysis systems to perform chemical and biological testing at home. It represents an emerging research area with broad prospects that has not yet attracted sufficient attention. In this paper, we discuss the urgent need, challenges, and future prospects of this area, and the possible roadmap for achieving the goal of LAH has also been proposed.
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Affiliation(s)
- Jian-Zhang Pan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China.
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China.
| | - Chen Fan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Zhi-Qiang Zuo
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Ying-Xin Yuan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Hui-Feng Wang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China
| | - Zhi Dong
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China
| | - Qun Fang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China.
- ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311200, China.
- Key Laboratory of Excited-State Materials of Zhejiang Province, Zhejiang University, Hangzhou, 310007, China.
- College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China.
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18
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Yang H, Ge WN, Zhang JT, Zhu KJ, Niu LY, Wang HF, Wang YW. [Effect analysis of the modified wire-loop snare technique in retrieving severely tilted inferior vena cava filters]. Zhonghua Wai Ke Za Zhi 2022; 60:1063-1068. [PMID: 36480873 DOI: 10.3760/cma.j.cn112139-20220515-00223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Objective: To examine the application effect of the modified wire-loop snare technique in retrieving severely tilted inferior vena cava filters (IVCF). Methods: The clinical data of 18 patients (12 males and 6 females, aged (62.1±13.1) years (range: 29 to 78 years)) who underwent the modified wire-loop snare technique to retrieve IVCF at the Affiliated Hospital of Qingdao University, Qingdao Eighth People's Hospital, and Jimo District Hospital of Traditional Chinese Medicine from November 2017 to April 2022 were retrospectively analyzed. The applied filters included drum-type filters (OptEase in 7 cases, Aegisy in 2 cases) and conical filters (Celect in 6 cases and Denali in 3 cases). Preoperative CT angiography and intraoperative digital subtraction angiography showed that the filter was severely tilted and the hook was covered by hyperplastic intima of the vena cave vein. A modified wire-loop snare technique was used to retrieve drum-type filters and conical filters via femoral and jugular vein approaches, respectively. After successful puncture, the long sheath was placed, the 4 F (1 F≈0.33 mm) vertebral catheter and a snare were inserted through the long sheath, and the 5 F pigtail catheter was inserted simultaneously to guide a 0.035 inch soft guide-wire (260 cm in length) to pass through the top of the filter and turning back. The tip of the soft guide-wire was snared by the vertebral catheter and pulled out of the sheath. The 4 F vertebral catheter was inserted following the tip of the guide-wire to form a wire-loop using the vertebral catheter and the pigtail catheter. After fixing the tip and tail of the soft guide-wire in vitro, the long sheath was pushed forward to cut the hyperplastic intima and the hook was pulled away from the vena cava wall to retrieve the filter under the support of two catheters. Results: The filters were successfully retrieved in 17 cases, the operation time was (25.5±8.7) minutes (range: 15 to 45 minutes), no complication occured. The hook of one filter (Celect) penetrated out of the vena vava wall and the wire-loop could not pull the hook back into the vena cava. Then the filter was removed by laparotomy. Conclusion: The modified wire-loop snare technique could retrieve the severely tilted retrivable drum-type filters and conical filters, even when serve adhesion exists between the filter and the vena cava wall.
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Affiliation(s)
- H Yang
- Department of Interventional Operation, the Affiliated Hospital of Qingdao University,Qingdao 266003, China
| | - W N Ge
- Department of Thyroid and Vascular Surgery, Qingdao Eighth People's Hospital, Qingdao 266121, China
| | - J T Zhang
- Department of Breast and Vascular Surgery, Jimo District Hospital of Traditional Chinese Medicine, Qingdao 266599, China
| | - K J Zhu
- Department of Anesthesiology, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - L Y Niu
- Department of Vascular Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - H F Wang
- Department of Vascular Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - Y W Wang
- Department of Vascular Surgery, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
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19
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Li YF, Wang WH, Fan W, Wang YY, Hu X, Zhang BF, You AG, Jing HQ, Wang HF, Ye Y, Huang XY. [Analysis of epidemiological characteristics of bacillary dysentery with multiple-onset in Henan Province from 2005 to 2020]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:1472-1477. [PMID: 36274616 DOI: 10.3760/cma.j.cn112150-20211226-01185] [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: 06/16/2023]
Abstract
Objective: To understand the epidemiological characteristics of bacillary dysentery with multiple-onset in Henan province from 2005 to 2020. Methods: The reported cases of bacillary dysentery (including confirmed cases and clinically diagnosed cases) in Henan Province from January 2005 to December 2020 were collected through China's National Disease Supervision Information Management System. The main information included gender, age, home address, date of onset and date of diagnosis. The interval between two episodes of the same case was more than 15 days, which was judged as two episodes. The incidence characteristics of bacillary dysentery patients with two or more cases in Henan Province from 2005 to 2020 were analyzed, and the regional distribution map of cases was drawn using ArcGIS software. Results: From 2005 to 2020, a total of 250 430 cases of bacillary dysentery were reported in Henan Province, with a cumulative incidence rate of 228.66/100 000. There were 2 342 cases with two or more attacks. The incidence of recurrent cases of bacillary dysentery increased year by year (χ2trend=2 932.28, P<0.001). There was no significant difference in the incidence of two or more cases of different sexes (χ2=0.39, P=0.540). There was significant difference in the incidence among different age groups (χ2=438.40, P<0.001). The incidence of two or more cases in the 60-69 age group was relatively high (1.70%). The shortest time interval between the onset of the disease was 16 days, and the longest was 5 579 days, with M (Q1, Q3) about 428 (237, 843) days. Compared with healthy people, those with a history of bacterial diseases had a higher risk of developing bacillary dysentery (RR: 4.12, 95%CI: 3.95‒4.29). Conclusion: The proportion of patients with multiple-onset shows an increasing trend, and there is an age difference.
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Affiliation(s)
- Y F Li
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - W H Wang
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - W Fan
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - Y Y Wang
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - X Hu
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - B F Zhang
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - A G You
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - H Q Jing
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - H F Wang
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - Y Ye
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
| | - X Y Huang
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
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20
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Song ZR, Zeng J, Zhou JL, Yan BY, Gu Z, Wang HF. Optimization of Electrode Patterns for an ITO-Based Digital Microfluidic through the Finite Element Simulation. Micromachines (Basel) 2022; 13:1563. [PMID: 36295916 PMCID: PMC9611684 DOI: 10.3390/mi13101563] [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: 08/30/2022] [Revised: 09/14/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Indium tin oxide (ITO)-based digital microfluidics (DMF) with unique optical and electrical properties are promising in the development of integrated, automatic and portable analytical systems. The fabrication technique using laser direct etching (LDE) on ITO glass has the advantages of being rapid, low cost and convenient. However, the fabrication resolution of LDE limits the minimum line width for patterns on ITO glasses, leading to a related wider lead wire for the actuating electrodes of DMF compared with photolithography. Therefore, the lead wire of electrodes could affect the droplet motion on the digital microfluidic chip due to the increased contact line with the droplet. Herein, we developed a finite element model of a DMF with improved efficiency to investigate the effect of the lead wire. An optimized electrode pattern was then designed based on a theoretical analysis and validated by a simulation, which significantly decreased the deformation of the droplets down to 0.012 mm. The performance of the optimized electrode was also verified in an experiment. The proposed simulation method could be further extended to other DMF systems or applications to provide an efficient approach for the design and optimization of DMF chips.
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21
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Wang HF, An RZ, Ma L, Gao XH. Recurrent condyloma acuminatum after cryotherapy plus photodynamic therapy successfully treated by local hyperthermia: A case report. Dermatol Ther 2022; 35:e15771. [PMID: 35975429 DOI: 10.1111/dth.15771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/15/2022] [Accepted: 08/13/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Hui-Feng Wang
- Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning, China.,Department of Dermatology, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Rong-Zhen An
- Department of Dermatology, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Lei Ma
- Department of Dermatology, Binzhou Medical University Hospital, Binzhou, Shandong, China
| | - Xing-Hua Gao
- Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning, China
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22
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Shi W, Shi M, Que TC, Cui XM, Ye RZ, Xia LY, Hou X, Zheng JJ, Jia N, Xie X, Wu WC, He MH, Wang HF, Wei YJ, Wu AQ, Zhang SF, Pan YS, Chen PY, Wang Q, Li SS, Zhong YL, Li YJ, Tan LH, Zhao L, Jiang JF, Hu YL, Cao WC. Trafficked Malayan pangolins contain viral pathogens of humans. Nat Microbiol 2022; 7:1259-1269. [PMID: 35918420 PMCID: PMC9352580 DOI: 10.1038/s41564-022-01181-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 06/21/2022] [Indexed: 12/03/2022]
Abstract
Pangolins are the most trafficked wild animal in the world according to the World Wildlife Fund. The discovery of SARS-CoV-2-related coronaviruses in Malayan pangolins has piqued interest in the viromes of these wild, scaly-skinned mammals. We sequenced the viromes of 161 pangolins that were smuggled into China and assembled 28 vertebrate-associated viruses, 21 of which have not been previously reported in vertebrates. We named 16 members of Hunnivirus, Pestivirus and Copiparvovirus pangolin-associated viruses. We report that the l-protein has been lost from all hunniviruses identified in pangolins. Sequences of four human-associated viruses were detected in pangolin viromes, including respiratory syncytial virus, Orthopneumovirus, RotavirusA and Mammalian orthoreovirus. The genomic sequences of five mammal-associated and three tick-associated viruses were also present. Notably, a coronavirus related to HKU4-CoV, which was originally found in bats, was identified. The presence of these viruses in smuggled pangolins identifies these mammals as a potential source of emergent pathogenic viruses. Multiple pathogenic viruses are identified in a large set of pangolins, which shows that trading pangolins for scales or flesh may increase the risk of emergence of viral infections.
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Affiliation(s)
- Wenqiang Shi
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China
| | - Mang Shi
- School of Medicine, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, Guangdong, P. R. China
| | - Teng-Cheng Que
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Xiao-Ming Cui
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China.,Research Unit of Discovery and Tracing of Natural Focus Diseases, Chinese Academy of Medical Sciences, Beijing, P. R. China
| | - Run-Ze Ye
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, P. R. China
| | - Luo-Yuan Xia
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China.,Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, P. R. China
| | - Xin Hou
- School of Medicine, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, Guangdong, P. R. China
| | - Jia-Jing Zheng
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China.,College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, P. R. China
| | - Na Jia
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China.,Research Unit of Discovery and Tracing of Natural Focus Diseases, Chinese Academy of Medical Sciences, Beijing, P. R. China
| | - Xing Xie
- Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, P. R. China
| | - Wei-Chen Wu
- School of Medicine, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen, Guangdong, P. R. China
| | - Mei-Hong He
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Hui-Feng Wang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, Guangxi, P. R. China
| | - Yong-Jie Wei
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Ai-Qiong Wu
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Sheng-Feng Zhang
- Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, P. R. China
| | - Yu-Sheng Pan
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China
| | - Pan-Yu Chen
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Qian Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China.,Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, P. R. China
| | - Shou-Sheng Li
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Yan-Li Zhong
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Ying-Jiao Li
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Luo-Hao Tan
- Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi, Nanning, Guangxi, P. R. China
| | - Lin Zhao
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, P. R. China
| | - Jia-Fu Jiang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China. .,Research Unit of Discovery and Tracing of Natural Focus Diseases, Chinese Academy of Medical Sciences, Beijing, P. R. China.
| | - Yan-Ling Hu
- Life Sciences Institute, Guangxi Medical University, Nanning, Guangxi, P. R. China. .,Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, Guangxi, P. R. China.
| | - Wu-Chun Cao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, P. R. China. .,Research Unit of Discovery and Tracing of Natural Focus Diseases, Chinese Academy of Medical Sciences, Beijing, P. R. China. .,Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, P. R. China.
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23
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Sun B, He ZQ, Wang HF, Li YR, Yang F, Cui F, Chen ZH, Huang XS. [Novel MFN2, BSCL2 and LRSAM1 variants in a cohort of Chinese patients with Charcot-Marie-Tooth disease]. Zhonghua Nei Ke Za Zhi 2022; 61:901-907. [PMID: 35922214 DOI: 10.3760/cma.j.cn112138-20211010-00686] [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: 06/15/2023]
Abstract
Objective: Charcot-Marie-Tooth disease (CMT) comprises a group of clinically and genetically heterogeneous inherited neuropathies with an estimated prevalence of 1 in 2500. This study aimed to analyze the clinical and mutational characteristics of Chinese CMT patients with MFN2, BSCL2 and LRSAM1 variants. Methods: In this study, genetic analysis was performed in 206 Chinese patients at Chinese PLA General Hospital from December 2012 to March 2020 with clinical diagnosis of CMT, and reported variants of MFN2, BSCL2 and LRSAM1 related to CMT2. Results: We reported ten MFN2 mutations in ten unrelated patients (7 male, 3 female), two of whom had positive family history. Three novel mutations were detected including c.475-2A>G (splicing); c.687dupA (p.E230Rfs*16) and c.558dupT (p.S186fs). We reported three BSCL2 mutations of four unrelated patients, including c.461C>G (p.S154W), c.461C>T(p.S154L), and novel variants of c.1309G>C (p.A437P) and c.845C>T (p.A282V). Furthermore, two novel variants of LRSAM1, including c.1930G>T (p.G644C) and c.1178T>A (p.L393Q) were detected in two unrelated patients. Conclusion: Mutational spectrum of MFN2-, BSCL2-and LRSAM1-related CMT disease is expanded with the identification of novel variants in Chinese patients.
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Affiliation(s)
- B Sun
- Neurological Department of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China Geriatric Neurological Department of the Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing 100853, China
| | - Z Q He
- Neurological Department of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - H F Wang
- Neurological Department of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Y R Li
- Neurological Department of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - F Yang
- Neurological Department of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - F Cui
- Neurological Department of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - Z H Chen
- Neurological Department of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - X S Huang
- Neurological Department of the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
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24
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Li S, Yao TQ, Wang HF, Wen XW, Lin H, Gao ZH, Zhang Q, Mo Y, Tang D, Cheng Y, Liu XB, Shen JH. [Two-dimensional equivalent mechanical modeling and finite element analysis of normal female pelvic floor system]. Zhonghua Yi Xue Za Zhi 2022; 102:2189-2195. [PMID: 35872583 DOI: 10.3760/cma.j.cn112137-20211108-02478] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To construct the geometric model of the pelvic floor by a two-dimensional equivalent mechanics method, and to explore the effect of the shape and position of pelvic floor organs and tissues on the biomechanical properties of the pelvic floor under different abdominal pressure. Methods: A 28-year-old healthy and symmetrical married infertile female volunteer was included. The pelvic floor tissue was scanned in the supine position using a 3.0T magnetic resonance scanner (Philips Company, Holland). Based on the method of magnetic resonance imaging (MRI) two-dimensional parameter measurement and computer aided design, the geometric model and finite element model of the female pelvic floor were established, and the biomechanical characteristics of the pelvic floor support system under different abdominal pressure were analyzed. Results: In this study, four different working conditions of the pelvic floor force were simulated under 60, 99, 168, and 208 cmH2O (1 cmH2O=0.098 kPa) abdominal pressure loads. The trend was as follows: under the abdominal pressure load, the retrograde flexion of the uterus occurred, the cervical, the middle and upper vaginal segment and the levator anus muscle had the characteristic change of mechanical axial direction pointing to the sacrum and coccyx, and the deformation of the levator anus muscle in the horizontal direction was greater than that in the vertical direction. With the increase of the abdominal pressure, the maximum stress values of the pelvic floor whole system of healthy subjects under four different working conditions were 0.194 3, 0.389 6, 0.557 1, and 0.627 5 MPa, respectively, and the maximum displacement values were 10, 14, 21 and 25 mm, respectively. The maximum stress values of the cervical and vaginal middle and upper segment were 0.111 7, 0.161 8, 0.250 6, and 0.304 1 MPa, respectively, and the maximum displacement values were 3, 6, 9, and 11 mm, respectively. The maximum stress of the perineal body was 0.063 4, 0.119 6, 0.235 2, and 0.288 0 MPa, and the maximum displacement was 1, 2, 4, and 5 mm. The maximum stress values of the levator anus muscle were 0.194 3, 0.389 6, 0.557 1, and 0.627 5 MPa, and the maximum displacement values were 2, 4, 7, and 8 mm, respectively. The maximum stress and maximum displacement of pelvic organs increased with the increase of the abdominal pressure under different working conditions. The stress axial relationship of normal female pelvic floor was that the middle and upper segment of uterus and vagina mainly acted on the sacrococcyx and the levator anus muscle, and the lower vaginal segment acts on the perineal body. Conclusions: The two-dimensional equivalent mechanical modeling and finite element analysis of the female pelvic floor system can accurately reflect the biomechanical characteristics of the female pelvic floor, and the resultant stress direction of the pelvic organs points to the sacrum and coccyx. The sacrum and coccyx, levator anus and perineal body play important stress supporting roles in the pelvic floor system.
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Affiliation(s)
- S Li
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - T Q Yao
- School of Mechanical and Electric Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - H F Wang
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - X W Wen
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - H Lin
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - Z H Gao
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - Q Zhang
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - Y Mo
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - D Tang
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - Y Cheng
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
| | - X B Liu
- School of Mechanical and Electric Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - J H Shen
- Department of Urology, the First Affiliated Hospital of Kunming Medical University, Kunming 650093, China
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25
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Shen YR, Cai LP, Qin X, Wang HF, Zhang P, Zhu YM, Chen C, Jiang GN, Dai J. [Comparison and thoughts of the training system for thoracic surgeons]. Zhonghua Wai Ke Za Zhi 2022; 60:742-748. [PMID: 35790526 DOI: 10.3760/cma.j.cn112139-20220318-00114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
There is no unified thoracic surgery training system in China, neither in the trainee selection or evaluation, nor in the training curriculum or the graduation requirements. A literature review was performed for available publications regarding international thoracic surgical training. A brief comparison was made regarding the thoracic surgery residency programs in China, Japan, United States and United Kingdom, including training pathway, recruitments, training content, performance assessment and academic experience. In conclusion, there are four key aspects worth noting. Firstly, an effective residency programme is invaluable to specialty training, and effort should be made to create a unified training programme that allows trainee to progress from residency to specialty training smoothly. Secondly, flexibility and personalization should be allowed in higher specialty training, so that trainee can develop their subspecialty interests. Thirdly, a unified clinical curriculum, selection and standardized income should be promoted to minimalize the variation of training outcome between provinces. Fourthly, additional training and time should be allowed for trainee who wants to pursue an academic career, and academic outcomes should be evaluated alongside with the standard clinical training.
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Affiliation(s)
- Y R Shen
- Department of Thoracic Surgery, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai 200433, China
| | - L P Cai
- Royal Stoke University Hospital, Stoke ST4 6QG, United Kingdom
| | - X Qin
- Department of Thoracic Surgery, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai 200433, China
| | - H F Wang
- Department of Thoracic Surgery, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai 200433, China
| | - P Zhang
- Department of Thoracic Surgery, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai 200433, China
| | - Y M Zhu
- Department of Thoracic Surgery, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai 200433, China
| | - C Chen
- Department of Thoracic Surgery, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai 200433, China
| | - G N Jiang
- Department of Thoracic Surgery, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai 200433, China
| | - J Dai
- Department of Thoracic Surgery, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai 200433, China
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Wang HF, Hu WH, Song QW, Yang SS, Ma CC, Wu CD, Li Q, Zhang XW, Pan C, Huang YZ. [Clinical study on the relationship between the exosomes in bronchoalveolar lavage fluid and plasma and the severity of lung injury and outcome in early acute respiratory distress syndrome patients]. Zhonghua Yi Xue Za Zhi 2022; 102:935-941. [PMID: 35385965 DOI: 10.3760/cma.j.cn112137-20211105-02448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the relationship between the levels of exosomes in bronchoalveolar lavage fluid (BALF) and plasma and the severity of lung injury and its outcome in patients with acute respiratory distress syndrome (ARDS). Methods: Patients who were admitted to the Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University and received invasive mechanical ventilation were selected from August 2020 to April 2021, and they were divided into ARDS group and non-ARDS group. Finally, 33 ARDS patients were included, including 18 males and 15 females, aged (65.5±15.5) years; 10 non-ARDS patients, 8 males and 2 females, aged (57.2±15.3) years. The BALF and plasma of the two groups of patients were collected within 24 hours after enrollment, and the total exosomes of the samples were collected by ultracentrifugation. Nanoparticle tracking analysis (NTA) was used to detect and compare the differences in exosome content between the two groups. Correlation of content with the severity and prognosis of lung injury in ARDS patients. Results: There was no significant difference in gender and age between ARDS group and non-ARDS group (both P>0.05). The exosome in plasma of ARDS group was significantly higher than that of non-ARDS group [(25.3±1.2)/ml vs (24.2±1.6)/ml, P=0.031], while the exosomes in BALF of ARDS group was also higher than that of non-ARDS group [(26.5±1.6)/ml vs (24.6±1.1)/ml, P=0.001]. The exosomes in BALF of patients with ARDS caused by intrapulmonary causes was higher than that in ARDS group caused by extrapulmonary causes [(26.9±1.5)/ml vs (25.2±0.9)/ml, P=0.01], and the infection caused by bacterial shows that the highest exosome level in BALF. The exosomes in the BALF of the mild ARDS group was significantly lower than that of the severe ARDS group [(25.7±1.3)/ml vs (27.2±1.5)/ml, P=0.038]; the exosomes in BALF of ARDS patients was negatively correlated with P/F ratio (r=-0.38, P=0.03); and it was positively correlated with Murray lung injury score (r=0.47, P=0.01). However, the static compliance levels, length of hospital stay, duration of mechanical ventilation, and 28-day outcome were not associated with the exosomes in BALF. Conclusion: Compared with non-ARDS patients, ARDS patients have significantly higher levels of exosomes in BALF and plasma, there is a certain correlation between exosomes derived from BALF and the severity of lung injury in ARDS.
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Affiliation(s)
- H F Wang
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - W H Hu
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - Q W Song
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - S S Yang
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - C C Ma
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - C D Wu
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - Q Li
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - X W Zhang
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - C Pan
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
| | - Y Z Huang
- Department of Critical Care Medicine, Zhongda Hospital Affiliated to Southeast University; Jiangsu Provincial Key Laboratory of Critical Care Medicine, Southeast University, Nanjing 210000, China
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Wen F, Xin ZB, Hong X, Cai L, Chen XY, Liang JJ, Wang HF, Maciejewski S, Wei YG, Fu LF. Actinostephanus (Gesneriaceae), a new genus and species from Guangdong, South China. PhytoKeys 2022; 193:89-106. [PMID: 36760839 PMCID: PMC9849016 DOI: 10.3897/phytokeys.193.80715] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/04/2022] [Indexed: 05/29/2023]
Abstract
Actinostephanus, a new genus from southern China, is described and colorfully illustrated with a single species, A.enpingensis. This new genus is morphologically most similar to Boeica and Leptoboea, nevertheless, it can be easily distinguished from the latter two by the following characteristics, such as leaves in whorls of three, all closely clustered at the top; corolla bowl-shaped, 5-lobed, actinomorphic; capsule hard, oblong-ovoid, short, 3-4 mm long, densely appressed villous, wrapped by persistent densely pubescent calyx lobes, style persistent. The new genus and related genera were sequenced using the next-generation sequencing technique. The whole plastid genome of the new genus is 154, 315 - 154, 344 bp in length. We reconstructed phylogenetic trees using the dataset of 80 encoded protein genes of the whole plastid genome from 47 accessions based on ML and BI analyses. The result revealed that the new genus was recovering in a polytomy including Boeica, Rhynchotechum, and Leptoboea with strong support, congruent to the morphological evidence. A global conservation assessment was also performed and classifies A.enpingensis as Least Concern (LC). In addition, after a review of recently described species of Gesneriaceae, we propose that plant enthusiasts, especially Gesneriad fans, have been playing an increasingly important role in the process of new taxa-discoveries.
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Affiliation(s)
- Fang Wen
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China
- Gesneriad Committee of China Wild Plant Conservation Association, National Gesneriaceae Germplasm Bank of GXIB, Gesneriad Conservation Center of China (GCCC), Guilin Botanical Garden, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China
| | - Zi-Bing Xin
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China
- Gesneriad Committee of China Wild Plant Conservation Association, National Gesneriaceae Germplasm Bank of GXIB, Gesneriad Conservation Center of China (GCCC), Guilin Botanical Garden, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China
| | - Xin Hong
- School of Resources and Environmental Engineering, Anhui University, Hefei, CN–230601, Anhui Province, China
| | - Lei Cai
- Yunnan Key Laboratory for Integrative Conservation of Plant Species with Extremely Small Populations, Kunming Institute of Botany, Chinese Academy of Sciences, CN-650201, Kunming, Yunnan Province, China
| | - Xiao-Yun Chen
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, CN-650201, Kunming, Yunnan Province, China
| | - Jun-Jie Liang
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, CN-650201, Kunming, Yunnan Province, China
| | - Hui-Feng Wang
- Management Office, Guangdong Enping Qixingkeng Provincial Nature Reserve, CN-529400, Enping, China
| | - Stephen Maciejewski
- Guangzhou Linfang Ecology Co., Ltd., Guangzhou, CN-510520, Guangdong Province, China
| | - Yi-Gang Wei
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China
- Gesneriad Committee of China Wild Plant Conservation Association, National Gesneriaceae Germplasm Bank of GXIB, Gesneriad Conservation Center of China (GCCC), Guilin Botanical Garden, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China
| | - Long-Fei Fu
- Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China
- Gesneriad Committee of China Wild Plant Conservation Association, National Gesneriaceae Germplasm Bank of GXIB, Gesneriad Conservation Center of China (GCCC), Guilin Botanical Garden, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, CN-541006 Guilin, China
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Wang JL, Xue M, Wang HF, Huang LL, Li Q, Xu JY, Xie JF, Huang YZ. [An area under curve-based nomogram to predicts vancomycin-associated nephrotoxicity in critically ill patients: a retrospective cohort study]. Zhonghua Nei Ke Za Zhi 2022; 61:291-297. [PMID: 35263970 DOI: 10.3760/cma.j.cn112138-20211011-00688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To develop an area under curve (AUC)-based nomogram to predict vancomycin-associated nephrotoxicity in critically ill patients. Methods: This retrospective cohort study included adult patients treated with vancomycin in the intensive care unit at a tertiary teaching hospital from January 2015 to December 2017. Baseline clinical characteristics before vancomycin treatment and pharmacokinetic parameters were collected to establish a prediction model of nephrotoxicity. Univariate analysis was used to screen variables, and multivariate logistic regression analysis was used to establish the prediction model and nomogram. Results: A total of 159 patients met the inclusion criteria, sixty-four were included in the final analysis. Sixteen patients (25%, 16/64) developed vancomycin-associated nephrotoxicity. The following variables were incorporated into the prediction model: vancomycin AUC, estimated glomerular filtration rate (GFR), and combined nephrotoxic drugs. The following equation was established to calculate the probability of nephrotoxicity: logit (P)=-4.83+0.009×AUC-2.87×1 (if GFR>60 ml/min)+2.53×1 (if number of combined nephrotoxic drugs≥2). A nomogram was generated based on the equation. The receiver-operating characteristic curve demonstrated that the AUC of the prediction model was 0.927 (95%CI 0.851-1.000). The cut-off value of the probability of nephrotoxicity was 26.48%. The sensitivity and specificity were 87.5% and 87.5% respectively. Conclusion: The incidence of vancomycin-associated nephrotoxicity is high. The AUC-based nomogram can effectively predict vancomycin-associated nephrotoxicity in critically ill patients.
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Affiliation(s)
- J L Wang
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Nanjing 210009, China
| | - M Xue
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Nanjing 210009, China
| | - H F Wang
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Nanjing 210009, China
| | - L L Huang
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Nanjing 210009, China
| | - Q Li
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Nanjing 210009, China
| | - J Y Xu
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Nanjing 210009, China
| | - J F Xie
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Nanjing 210009, China
| | - Y Z Huang
- Department of Critical Care Medicine, Zhongda Hospital, School of Medicine, Southeast University, Jiangsu Provincial Key Laboratory of Critical Care Medicine, Nanjing 210009, China
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Zhang JH, Wang HF, Yang F, He ZQ, Feng F, Li M, Bai JM, Wang HR, Huang XS. [Analysis of disease progression rate and related factors in amyotrophic lateral sclerosis patients at initial visit]. Zhonghua Yi Xue Za Zhi 2022; 102:222-227. [PMID: 35042292 DOI: 10.3760/cma.j.cn112137-20210728-01681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To find out the relationship of the progression rate of amyotrophic lateral sclerosis (ALS) patients with relevant clinical indicators at initial visit so as to enrich the knowledge of ALS at its early stage. Methods: The clinical data of 282 patients diagnosed with ALS at Neurology Department of the First Medical Center, Chinese PLA General Hospital from June 2016 to March 2021 were collected in order to make a retrospective analysis of the dynamic change of the progression rate (ΔFS) and influencing factors, and thus a classification of the progression rate will be summarized. Results: Among 282 patients, 164 were males and 118 were females. The age of onset was (53±11) years old. The ΔFS had a negative exponential relationship with delay time of diagnosis no matter what kinds of onset the patients experienced (upper limb onset, lower limb onset or bulbar onset). The ΔFS for the limb function sub-group had a similar functional relationship with diagnostic delay in patients with either upper limb onset or lower limb onset. The statistical model indicated that the disease progression rate of ALS at initial visit can be classified into three types (high speed type: ΔFS≥1.0 score/month; moderate speed type: 0.5≤ΔFS<1.0 score/month; low speed type: ΔFS<0.5 score/month). The critical values of the three types in patients with upper limb onset were 8 and 20 months, while 9 and 24 months for lower limb onset patients, and 9 and 36 months for bulbar onset patients. At initial visit, there were significant statistical differences among these three types in age at onset (P=0.008), diagnostic delay (P<0.001), ALS functional rating scale-revised (ALSFRS-R) score (P<0.001) and onset site (P=0.006). The age at onset in moderate speed type was significantly greater than that of the slow speed type [(54.9±10.4) years vs (50.2±9.6) years, P=0.002]. The diagnostic delay in high speed type [6 (4, 10) months] was significantly shorter than that in moderate speed type [12 (8, 19) months, P<0.001] and low speed type [22 (14, 36) months, P<0.001], and the moderate speed type was shorter in comparison with low speed type (P<0.001). As for the ALSFRS-R score, the high speed type [36(32, 39)] was significantly lower than the moderate speed type [39 (36, 42), P<0.001] and low speed type [42 (39, 44), P<0.001], and the moderate speed type was lower in comparison with low speed type (P=0.002). The proportion of cases with upper limb onset in high speed type (20.3%) was significantly lower than that in low speed type (42.2%, P<0.001) and moderate speed type (37.5%, P=0.014). By contrast, the proportion of cases with lower limb onset in high speed type (39.2%) was significantly higher than that in low speed type (28.9%, P=0.023), however no difference was shown between the fast speed type and moderate speed type (32.0%, P=0.061). There was no difference among these three progression types in patients with bulbar onset. Conclusions: The disease progression rate of ALS at initial visit can be classified into three types including high speed, moderate speed and low speed. At early stage of ALS, ΔFS is affected by onset age, onset site, diagnostic delay and ALSFRS-R score.
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Affiliation(s)
- J H Zhang
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
| | - H F Wang
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
| | - F Yang
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
| | - Z Q He
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
| | - F Feng
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
| | - M Li
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
| | - J M Bai
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
| | - H R Wang
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
| | - X S Huang
- Department of Neurology, Chinese PLA General Hospital, Beijing 100853, China
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Wan LQ, Zhang YY, Wang HF, Chen C, Li H, Zhang Y, Xue JF, Zhou QJ, Xie LX. Efficacy of rhNGF-loaded amniotic membrane transplantation for rabbit corneal epithelial and nerve regeneration. Int J Ophthalmol 2021; 14:1653-1659. [PMID: 34804853 DOI: 10.18240/ijo.2021.11.02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 12/02/2020] [Accepted: 09/09/2021] [Indexed: 12/30/2022] Open
Abstract
AIM To evaluate the efficacy of recombinant human nerve growth factor-loaded amniotic membrane (rhNGF-AM) on corneal epithelial and nerve regeneration in rabbit model. METHODS Freshly prepared human amniotic membrane (AM) were immersed into PBS buffer containing 100 or 500 µg/mL rhNGF for 15, 30, and 60min at 4°C. The in vitro release kinetics of rhNGF was measured with ELISA. For in vivo evaluation, the AM were immersed with 500 µg/mL rhNGF for 30min. Fifty-seven rabbits were selected to establish corneal epithelial defect model. In addition to the 19 rabbits in control group, 38 rabbits received AM transplantation with or without rhNGF after the removal of central epithelium. Corneal epithelial defect area, sub-epithelial nerve fiber density, corneal sensitivity, rhNGF contents in resident AM and corneas were measured after the surgery. RESULTS rhNGF was sustained release from the AM within 14d in vitro, with the positive correlation with initial immersion concentration. The immersion of AM in 500 µg/mL rhNGF for 30min achieved the most stable release within 14d. After transplantation in rabbit cornea, a high concentration of rhNGF in resident rhNGF-AM and cornea was maintained within 8d. Corneal epithelial healing, nerve fiber regeneration and the recovery of corneal sensitivity were significantly accelerated after the rhNGF-AM transplantation when compared to simple AM transplantation (all P<0.05). CONCLUSION Simple immersion of AM achieves the sustained release of rhNGF, and promotes corneal epithelial wound healing and nerve regeneration, as well as the recovery of corneal sensitivity in rabbit.
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Affiliation(s)
- Lu-Qin Wan
- Medical College of Qingdao University, Qingdao 266000, Shandong Province, China
| | - Yang-Yang Zhang
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China
| | - Hui-Feng Wang
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China
| | - Chen Chen
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China
| | - Hua Li
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China
| | - Yuan Zhang
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China
| | - Jun-Fa Xue
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China
| | - Qing-Jun Zhou
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China
| | - Li-Xin Xie
- State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University & Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China
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You AG, Li Y, Li DX, Du YH, Wang HF, Ye Y, Xu BL, Huang XY. [Surveillance for sever fever with thrombocytopenia syndrome in Henan province, 2017-2020]. Zhonghua Liu Xing Bing Xue Za Zhi 2021; 42:2024-2029. [PMID: 34818850 DOI: 10.3760/cma.j.cn112338-20210426-00345] [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: 06/13/2023]
Abstract
Objective: To analyze the epidemiological and etiological characteristics of sever fever with thrombocytopenia syndrome (SFTS) cases in Henan province during 2017-2020. Methods: Descriptive epidemiology method was used to analyze the characteristics of SFTS cases in Henan during 2017-2020. Patients' sera in acute phase were collected and tested using real-time fluorescence RT-PCR. The S segment complete sequences of the isolated sever fever with thrombocytopenia syndrome virus (SFTSV) strains were amplified and homology analysis was performed to construct the phylogenetic tree. Results: A total of 1 767 SFTS cases, including 1 000 suspected cases and 767 confirmed cases, were reported in Henan during this period, and 11 cases, including 3 suspected cases and 8 confirmed cases died, the case fatality rate was 0.62% (11/1 767). The incidence decreased year by year. The cases were distributed in 28 counties of 6 cities, and 1 681 cases were reported in Xinyang, accounting for 95.13% (1 681/1 767) of the total. The cases mainly occurred from April to October, accounting for 96.10% (1 698/1 767) of the total. The incidence in males (0.38/100 000) was significantly lower than that in females (0.54/100 000) (χ2=54.855, P<0.001). Up to 93.44% (1 651/1 767) of the cases were aged between 40 and 84 years. Farmers accounted for 96.10% (1 698/1 767) of the total cases. One family cluster outbreak occurred in 4 years. A total of 1 110 samples were detected by Henan CDC, in which 435 were SFTS virus positive with an average positive rate of 39.19% (435/1 110). The differences in positive rates of SFTS virus among different years were significant (χ2=25.405, P<0.001). The sequence homology of complete S segment of the 39 SFTS virus strains ranged from 94.76% to 99.82%. The genetic evolution analysis on the complete S segment of the 39 SFTS virus strains showed that 34 strains belonged to genotype A, 2 strains belonged to genotype B, and 3 strains belonged to genotype D. Conclusions: The incidence of SFTS in Henan was sporadic, and decreased year by year. SFTS had obvious regional and seasonal characteristics, and the area affected by SFTS expanded. The incidence of SFTS was high in elderly female farmers, and the positive rate of SFTS virus varied greatly in different years. The main type of SFTS virus in Henan was genotype A, but the etiological surveillance is still needed.
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Affiliation(s)
- A G You
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention/Henan Key Laboratory of Pathogenic Organism of Infectious Diseases, Zhengzhou, 450016, China
| | - Y Li
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention/Henan Key Laboratory of Pathogenic Organism of Infectious Diseases, Zhengzhou, 450016, China
| | - D X Li
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention/Henan Key Laboratory of Pathogenic Organism of Infectious Diseases, Zhengzhou, 450016, China
| | - Y H Du
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention/Henan Key Laboratory of Pathogenic Organism of Infectious Diseases, Zhengzhou, 450016, China
| | - H F Wang
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention/Henan Key Laboratory of Pathogenic Organism of Infectious Diseases, Zhengzhou, 450016, China
| | - Y Ye
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention/Henan Key Laboratory of Pathogenic Organism of Infectious Diseases, Zhengzhou, 450016, China
| | - B L Xu
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention/Henan Key Laboratory of Pathogenic Organism of Infectious Diseases, Zhengzhou, 450016, China
| | - X Y Huang
- Institute for Infectious Disease Control and Prevention, Henan Provincial Center for Disease Control and Prevention/Henan Key Laboratory of Pathogenic Organism of Infectious Diseases, Zhengzhou, 450016, China
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Martin AA, Fodjo EK, Eric-Simon ZV, Gu Z, Yang G, Albert T, Kong C, Wang HF. Cys-AgNPs modified gold electrode as an ultrasensitive electrochemical sensor for the detection of 3-chloropropane-1,2-diol. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103319] [Citation(s) in RCA: 3] [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] [Indexed: 01/29/2023] Open
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Wang HF, Zhang YL, Liu XL, Zhu HL, Liang R, Liu BC, Zhou L, Meng L, Li WM, Jiang Q. [Treatment status of tyrosine kinase inhibitors in Chinese patients with chronic myeloid leukemia in 2020]. Zhonghua Xue Ye Xue Za Zhi 2021; 42:535-542. [PMID: 34455739 PMCID: PMC8408488 DOI: 10.3760/cma.j.issn.0253-2727.2021.07.002] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
目的 调查中国慢性髓性白血病(CML)患者的治疗现状。 方法 横断面研究,2020年4月末至5月中旬,以填写调研问卷的形式在全国范围内调研CML患者,分析酪氨酸激酶抑制剂(TKI)一线选择、目前用药、药物转换和获得主要分子学反应(MMR)的比例及其影响因素。 结果 2933份来自全国31个省市自治区CML受访者的问卷可供分析,男性1683例(57.4%),中位年龄38(16~87)岁。一线选择:伊马替尼2481例(84.6%),原创性新药(原研药)1803例(61.5%)。填写问卷时用药:伊马替尼1765例(60.2%),原研药1791例(61.1%)。共1185例(40.4%)受访者曾经历TKI药物转换。1944例初发慢性期受访者TKI中位治疗45(3~227)个月,1417例(72.9%)获得≥MMR的疗效。多因素分析显示,城镇户籍(OR=0.6,95%CI 0.5~0.8,P<0.001)、≥大学学历(OR=0.5,95%CI 0.4~0.7,P<0.001)和进展期(OR=0.5,95%CI 0.3~0.8,P=0.001)受访者更少首选仿制TKI,而来自中部地区受访者比东部地区更多首选国产仿制TKI(OR=1.7,95%CI 1.4~2.0,P<0.001)。进展期受访者更多首选二代TKI(OR=5.4,95%CI 3.6~8.2,P<0.001),≥60岁受访者更少首选二代TKI(OR=0.4,95%CI 0.2~0.7,P=0.002)。诊断时处于进展期(OR=2.2,95%CI 1.6~3.2,P<0.001)、首选伊马替尼(OR=2.0,95%CI 1.6~2.6,P<0.001)、首选国产仿制药(OR=1.3,95%CI 1.1~1.6,P=0.002)、诊断距开始TKI治疗的时间更长(OR=1.2,95%CI 1.1~1.2,P<0.001)和服用TKI的时间更长(OR=1.1,95%CI 1.0~1.1,P<0.001)与药物转换比例增高显著相关。城镇户籍(OR=0.7,95%CI 0.6~0.8,P<0.001)、获≥MMR(OR=0.6,95%CI 0.5~0.8,P<0.001)和疗效未知(OR=0.7,95%CI 0.6~0.9,P=0.003)与药物转换比例低显著相关。女性(OR=1.4,95%CI 1.1~1.7,P=0.003)、城镇户籍(OR=1.6,95%CI 1.3~2.0,P<0.001)、初始服用伊马替尼(OR=1.4,95%CI 1.1~1.9,P=0.016)和TKI治疗时间更长(OR=1.2,95%CI 1.2~1.3,P<0.001)与获得≥MMR显著相关,而年龄≥60岁(OR=0.7,95%CI 0.4~1.0,P=0.047)和药物转换(OR=0.6,95%CI 0.5~0.7,P<0.001)与未获得MMR显著相关。 结论 截至2020年,中国CML患者中大多数首选并持续服用伊马替尼,半数以上服用原研药。社会人口学特征和疾病分期影响了患者的TKI选择、药物转换和治疗反应。
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Affiliation(s)
- H F Wang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing 100044, China
| | - Y L Zhang
- Department of Hematology, Affiliated Cancer Hospital of Zhengzhou University, Henan Provincial Tumor Hospital, Zhengzhou 450008, China
| | - X L Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - H L Zhu
- Department of Hematology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - R Liang
- Department of Hematology, Xijing Hospital, Air Force Medical University, Xi'an 510370, China
| | - B C Liu
- Institute of Hematology, Chinese Academy of Medical Science, Tianjin 300020, China
| | - L Zhou
- Shanghai Institute of Hematology, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine at Shanghai, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - L Meng
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - W M Li
- Department of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Q Jiang
- Peking University People's Hospital, Peking University Institute of Hematology, National Clinical Research Center for Hematologic Disease, Beijing 100044, China
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Wang ZF, Feng HF, Li YY, Wang HF, Cao HL. The complete chloroplast genome of Rhododendron datiandingense (Ericaceae). Mitochondrial DNA B Resour 2021; 6:1749-1751. [PMID: 34104760 PMCID: PMC8158181 DOI: 10.1080/23802359.2021.1931504] [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: 12/22/2020] [Accepted: 05/12/2021] [Indexed: 11/04/2022] Open
Abstract
Rhododendron datiandingense is newly reported and endemic to China. The genome of R. datiandingense is 207,311 bp in length, including a large single-copy region of 190,689 bp and a small single-copy region of 2582 bp, a pair of inverted repeat regions (IRA) of 7020 bp each. The genome encodes 110 genes, comprising 77 protein-coding genes, four ribosomal RNA genes, and 29 transfer RNA genes. Repeat analysis revealed 62 simple sequence repeats (SSRs) in the genome. Phylogenetic analysis revealed that R. datiandingense is clearly separated from the other Rhododendron species and shown in the basal position.
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Affiliation(s)
- Zheng-Feng Wang
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- Center for Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
| | - Hui-Fang Feng
- Forest Resources Conservation Center of Guangdong Province, Guangzhou, China
| | - You-Yu Li
- Guangdong Yunkaishan National Nature Reserve, Maoming, China
| | - Hui-Feng Wang
- Guangzhou Linfang Ecology Co., Ltd., Guangzhou, China
| | - Hong-Lin Cao
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
- Center for Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China
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Wang Y, Wang DF, Wang HF, Wang JW, Pan JZ, Guo XG, Fang Q. A microfluidic robot for rare cell sorting based on machine vision identification and multi-step sorting strategy. Talanta 2021; 226:122136. [PMID: 33676690 DOI: 10.1016/j.talanta.2021.122136] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [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: 10/27/2020] [Revised: 01/14/2021] [Accepted: 01/16/2021] [Indexed: 12/19/2022]
Abstract
The identification, sorting and analysis of rare target single cells in human blood has always been a clinically meaningful medical challenge. Here, we developed a microfluidic robot platform for sorting specific rare cells from complex clinical blood samples based on machine vision-based image identification, liquid handling robot and droplet-based microfluidic techniques. The robot integrated a cell capture and droplet generation module, a laser-induced fluorescence imaging module, a target cell identification and data analysis module, and a system control module, which could automatically achieve the scanning imaging of cell array, cell identification, capturing, and droplet generation of rare target cells from blood samples containing large numbers of normal cells. Based on the robot platform, a novel "gold panning" multi-step sorting strategy was proposed to achieve the sorting of rare target cells in large-scale cell samples with high operation efficiency and high sorting purity (>90%). The robot platform and the multi-step sorting strategy were applied in the sorting of circulating endothelial progenitor cells (CEPCs) in human blood to demonstrate their feasibility and application potential in the sorting and analysis of rare specific cells. Approximately 1,000 CEPCs were automatically identified from 3,000,000 blood cells at a scanning speed of ca. 4,000 cells/s, and 20 25-nL droplets containing single CEPCs were generated.
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Affiliation(s)
- Yu Wang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Dong-Fei Wang
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Hui-Feng Wang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jian-Wei Wang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jian-Zhang Pan
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Xiao-Gang Guo
- Department of Cardiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
| | - Qun Fang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China.
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Wang HF, Liang MY, Jiang Q. [Management of patients with lymphoma in pregnancy]. Zhonghua Xue Ye Xue Za Zhi 2021; 41:1053-1056. [PMID: 33445860 PMCID: PMC7840544 DOI: 10.3760/cma.j.issn.0253-2727.2020.12.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- H F Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing 100044, China
| | - M Y Liang
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing 100044, China
| | - Q Jiang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing 100044, China
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Wang F, Wang SQ, Wang HF, Wu ZC, Bao WB, Wu SL. Effects of porcine epidemic diarrhea virus infection on Toll-like receptor expression and cytokine levels in porcine intestinal epithelial cells. Pol J Vet Sci 2021; 23:119-126. [PMID: 32233299 DOI: 10.24425/pjvs.2020.132755] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
To explore the role of Toll-like receptors (TLRs) and interferon (IFN) in the innate immunity against porcine epidemic diarrhea virus (PEDV), we detected the expression of TLR genes in PEDV-infected IPEC-J2 cells by real-time PCR. We also detected the level of interferon α (IFN-α) and interferon γ (IFN-γ) by enzyme-linked immunosorbent assay (ELISA). Results showed that IPEC-J2 cells exhibited a clear pathological change after PEDV infection at 24 h. In addition, TLR7, TLR9 and TLR10 expressions were significantly upregulated in PEDV-infected IPEC-J2 cells at 24 h. Interestingly, the expression patterns of TLR2 and TLR4 were consistent at different stages of PEDV infection. The expression level of TLR3 decreased significantly with the increase of infection time, but the expression levels of TLR5 and TLR8 genes at 6 h and 12 h were significantly lower than those in the control group (p⟨0.01). There were significant correlations among the expression levels of TLR genes (p⟨0.05). Cytokine detection showed that the secretion level of IFN-α in the PEDV-infected group was significantly higher than that in the control group (p⟨0.01), and IFN-γ at 6 h and 12 h after PEDV infection was significantly higher than that in control group (p⟨0.01). Therefore, our results suggest that PEDV infection can induce innate immune responses in intestinal porcine jejunum epithelial cells, leading to changes in the expression of Toll-like receptors, and can regulate the resistance to virus infection by affecting the release levels of downstream cytokines.
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Affiliation(s)
- F Wang
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - S Q Wang
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - H F Wang
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | | | - W B Bao
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - S L Wu
- Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou University, Yangzhou, Jiangsu, 225009, China
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Lu JM, Wang HF, Pan JZ, Fang Q. Research Progress of Microfluidic Technique in Synthesis of Micro/Nano Materials. Acta Chimica Sinica 2021. [DOI: 10.6023/a21030086] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Jin LH, Wei Y, Wang HF, Chen JB, Fang Q. Nanoliter-scale liquid metering and droplet generation based on a capillary array for high throughput screening. Talanta 2021; 221:121613. [PMID: 33076143 DOI: 10.1016/j.talanta.2020.121613] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/24/2020] [Accepted: 08/28/2020] [Indexed: 12/24/2022]
Abstract
Herein, we developed a simple approach for quantitative metering of nanoliter-scale liquids in parallel based on a capillary array and applied it in high throughput screening protein crystallization conditions. The quantitative metering of liquids was achieved by using capillary force to spontaneously introduce the liquids into short capillaries with fixed length and inner diameter, and the nanoliter-scale droplets were generated by using a pneumatic pump to deliver liquids out from the capillary channels. We adopted measures of sharpening the capillary tips and performing a hydrophobic treatment on the tip surface to significantly reduce the capillary residues during the liquid aspirating and dispensing process, and thus improved the precision to 0.2%-3.5% relative standard deviations (RSD, n = 3) in metering droplets in the range of 280 pL-90 nL. We evaluated the performance of the system in metering liquids of different surface tensions and viscosity. On the basis of this approach, we built a capillary array system with 12 capillaries, by which parallel generation of 12 nL droplets of 12 samples could be achieved in 40 s with a relative standard deviation (RSD) of 1.2%. We applied the system in the screening of lysozyme crystallization conditions of 48 precipitants with 7.5 nL precipitant and 7.5 nL protein solutions in each crystallization droplet reactor, to demonstrate its potentials in large-scale high-throughput screening and analysis with different samples.
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Affiliation(s)
- Le-He Jin
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Yan Wei
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Hui-Feng Wang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Jian-Bo Chen
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Qun Fang
- Institute of Microanalytical Systems, Department of Chemistry, Zhejiang University, Hangzhou, 310058, China.
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Wang YF, He K, Guo W, Wang HF, Zhang DH, Gong MQ, Ji MJ, Chen L. [Genes associated with Wolbachia-induced cytoplasmic incompatibility in natural populations of Culex pipiens pallens: a preliminary study]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2020; 32:517-521. [PMID: 33185065 DOI: 10.16250/j.32.1374.2019197] [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: 11/27/2022]
Abstract
OBJECTIVE To investigate the genes involved in Wolbachia-induced cytoplasmic incompatibility among three natural populations of Culex pipiens pallens in eastern China, so as to provide insights into the development of preventive and control measures for mosquito-borne diseases based on Wolbachia. METHODS The cytoplasmic incompatibility was tested among three natural populations of C. pipiens pallens collected from Nanjing and Wuxi of Jiangsu Province and Tangkou of Shandong Province using reciprocal crosses. Wolbachia infection was detected in C. pipiens pallens using a PCR assay, and the expression of Wolbachia wsp and WD0513 genes was quantified using a fluorescent quantitative real-time PCR (qPCR) assay. RESULTS Bidirectional compatibility was found between the natural populations of C. pipiens pallens collected from Nanjing and Wuxi of Jiangsu Province (t = 0.57 and 0.15, both P values > 0.05), while bidirectional incompatibility was seen between the natural populations of C. pipiens pallens collected from Tangkou of Shandong Province and Wuxi of Jiangsu Province (t = 63.81 and 43.51, both P values < 0.01), and between the natural populations of C. pipiens pallens collected from Nanjing of Jiangsu Province and Tangkou of Shandong Province (t = 39.62 and 43.12, both P values < 0.01). Wolbachia wsp gene was amplified in all three natural populations of C. pipiens pallens, and qPCR assay detected no significant difference in the Wolbachia wsp gene expression among the three natural populations of C. pipiens pallens (F = 2.15, P > 0.05). In addition, there was no significant difference in the WD0513 gene expression between the natural populations of C. pipiens pallens collected from Tangkou of Shandong Province and Nanjing of Jiangsu Province (q = 8.42, P < 0.05) or between the natural populations of C. pipiens pallens collected from Tangkou of Shandong Province and Wuxi of Jiangsu Province (q = 7.84, P < 0.05); however, there was a significant difference detected in the WD0513 gene expression between the natural populations of C. pipiens pallens collected from Nanjing and Wuxi of Jiangsu Province (q = 0.40, P > 0.05). CONCLUSIONS Different Wolbachia numbers are detected in natural populations of C. pipiens pallens collected from Nanjing and Wuxi of Jiangsu Province and Tangkou of Shandong Province, and WD0513 gene may be involved in the Wolbachia-induced cytoplasmic incompatibility among three natural populations of C. pipiens pallens.
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Affiliation(s)
- Y F Wang
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China
| | - K He
- School of Medical Imaging, Nanjing Medical University, China
| | - W Guo
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China
| | - H F Wang
- Shandong Academy of Medical Sciences, Shandong Institute of Parasitic Diseases, China
| | - D H Zhang
- School of International Education, Nanjing Medical University, China
| | - M Q Gong
- School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, China
| | - M J Ji
- Department of Pathogenic Biology, Nanjing Medical University, Jiangsu Provincial Key Laboratory of Modern Pathogenic Biology, China
| | - L Chen
- Department of Pathogenic Biology, Nanjing Medical University, Jiangsu Provincial Key Laboratory of Modern Pathogenic Biology, China
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Zhou X, Lu X, Tang L, Yan H, Chen WL, Shi W, Zhong ZD, You Y, Xia LH, Hu Y, Wang HF. [Optimization of ATG dose in haploid hematopoietic stem cell transplantation for hematologic malignancies]. Zhonghua Xue Ye Xue Za Zhi 2020; 41:557-563. [PMID: 32810962 PMCID: PMC7449780 DOI: 10.3760/cma.j.issn.0253-2727.2020.07.005] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To compare the clinical efficacy of different doses of rabbit antithymocyte globulin (rATG) in haplo-HSCT in the treatment of hematologic malignancies. Methods: Malignant hematological patients treated at our hospital from March 2013 to December 2018 were retrospectively analyzed. These patients were divided into three groups as per three doses of ATG (6 mg/kg, 7.5 mg/kg, and 9 mg/kg) in the conditioning regimens. The transplant outcomes were compared in terms of the occurrence of acute graft versus host disease (GVHD) , infection, and survival. Results: ①Total 288 patients were enrolled in the study, including 182 men and 106 women, with a median age of 18 (6-62) years. Total 110 patients were diagnosed with acute lymphoblastic leukemia (ALL) , 128 with acute myelogenous leukemia (AML) , 8 with chronic myeloid leukemia (CML) , 28 with myelodysplastic syndrome (MDS) , and 14 with mixed cell leukemia (MAL) . There were 159 patients in the ATG-6 group, 72 in the ATG-7.5 group, and 57 in the ATG-9 group. The median follow-up time of post transplantation was 14 (0.2-74) months. ②The incidence of neutrophil engraftment (96.9% , 97.2% , and 96.5% , respectively) and platelet engraftment (92.5% , 87.5% , and 86% , respectively) did not significantly differ among the ATG-6, ATG-7.5, and ATG-9 groups (P=0.972, P=0.276) . The incidence of grades 2-4 acute GVHD was 14.5% , 11.1% , and 8.8% in the three groups, respectively (P=0.493) , chronic GVHD incidence in the three group was 8.8% , 14.3% and 12.0% , respectively (P=0.493) . The infection rates of CMV and EBV in the ATG-9 group (77.2% and 12.5% ) were significantly higher than those in the ATG-6 (43.3% and 3.5% ) , and ATG -7.5 group (44.4% and 1.5% ) (P<0.001 and P=0.033, respectively) . ③Among the three groups, there were no significant difference in the 3-year overall survival [68.5% (95% CI 60.3% -77.9% ) , 60.1% (95% CI 48.3% -74.8% ) , 64.7% (95% CI 51.9% -80.7% ) ], cumulative incidences of relapse [34.6% (95% CI 34.3% -35.1% ) , 38.0% (95% CI 37.3% -38.7% ) , 20.6% (95% CI 20.0% -21.3% ) ], disease-free survival [53.3% (95% CI 44.9% -63.4% ) , 51.9% (95% CI 41% -65.8% ) , 63.9% (95% CI 51.9% -78.7% ) ] and non-relapse mortality [24.2% (95% CI 23.8% -24.5% ) , 26.0% (95% CI 25.4% -26.6% ) , 23.6% (95% CI 26.3% -28.2% ) ] (P=0.648, P=0.165, and P=0.486 and P=0.955) . Conclusion: Low dose (6 mg/kg) of rATG may increase the risk of grade Ⅱ-Ⅳ aGVHD, and a high dose (9 mg/kg) of ATG could significantly increase the risk of CMV and EBV infection. Median dose (7.5 mg/kg) of ATG is expected to reduce the incidence of moderate to severe aGVHD and viral infections without increasing the mortality.
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Affiliation(s)
- X Zhou
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - X Lu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - L Tang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - H Yan
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - W L Chen
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - W Shi
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Z D Zhong
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Y You
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - L H Xia
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Y Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - H F Wang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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Wang HF, Zhu ZH, Peng JM, Yin B, Wang HL, Zou HH, Liang FP. Multifunctional Binuclear Ln(III) Complexes Obtained via In Situ Tandem Reactions: Multiple Photoresponses to Volatile Organic Solvents and Anticounterfeiting and Magnetic Properties. Inorg Chem 2020; 59:13774-13783. [PMID: 32862645 DOI: 10.1021/acs.inorgchem.0c02193] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The design and synthesis of simple lanthanide complexes with multiple functions have been widely studied and have faced certain challenges. Herein, we successfully synthesized the series of binuclear lanthanide complexes [Ln2(L1)2(NO3)4] (HL1 = 2-amino-1,2-bis(pyridin-2-yl)ethanol; Ln = Dy (Dy2), Tb (Tb2), Ho (Ho2) Er (Er2)) via the in situ self-condensation of Ln(NO3)3·6H2O-catalyzed 2-aminomethylpyridine (16 steps) under solvothermal conditions. Dy2 was mixed with different volatile organic solvents, and photoluminescence tests demonstrated that it showed an excellent selective photoresponse to chloroform (CHCl3). Sensing Tb2 on different organic solvents under the same conditions showed that it exhibited excellent selective photoresponse to methanol (CH3OH). Even under EtOH conditions, Tb2 could selectively respond to small amounts of CH3OH. To the best of our knowledge, achieving a selective photoresponse to various volatile organic compounds by changing the metal center of the complex is difficult. Furthermore, we performed anticounterfeiting tests on Tb2, and the results showed significant differences between the anticounterfeiting marks under white light and ultraviolet light conditions. The alternating current susceptibilities of Dy2 suggested that it was a typical single-molecule magnet (SMM) (Ueff = 93.62 K, τ0 = 1.19 × 10-5 s) under a 0 Oe dc field. Ab initio calculations on Dy2 indicated that the high degrees of axiality of the constituent mononuclear Dy fragments are the main reasons for the existence of SMM behavior.
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Affiliation(s)
- Hui-Feng Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Zhong-Hong Zhu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Jin-Mei Peng
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Bing Yin
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127 People's Republic of China
| | - Hai-Ling Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Hua-Hong Zou
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Fu-Pei Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University, Guilin 541004, People's Republic of China.,Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
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Li HT, Wang HF, Wang Y, Pan JZ, Fang Q. A minimalist approach for generating picoliter to nanoliter droplets based on an asymmetrical beveled capillary and its application in digital PCR assay. Talanta 2020; 217:120997. [DOI: 10.1016/j.talanta.2020.120997] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 03/29/2020] [Accepted: 04/01/2020] [Indexed: 12/22/2022]
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Zhu ZH, Wang HF, Yu S, Zou HH, Wang HL, Yin B, Liang FP. Substitution Effects Regulate the Formation of Butterfly-Shaped Tetranuclear Dy(III) Cluster and Dy-Based Hydrogen-Bonded Helix Frameworks: Structure and Magnetic Properties. Inorg Chem 2020; 59:11640-11650. [PMID: 32799502 DOI: 10.1021/acs.inorgchem.0c01496] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The generation of two types of complexes with different topological connections and completely different structural types merely via the substitution effect is extremely rare, especially for -CH3 and -C2H5 substituents with similar physical and chemical properties. Herein, we used 3-methoxysalicylaldehyde, 1,2-cyclohexanediamine, and Dy(NO3)3·6H2O to react under solvothermal conditions (CH3OH:CH3CN = 1:1) at 80 °C to obtain the butterfly-shaped tetranuclear DyIII cluster [Dy4(L1)4(μ3-O)2(NO3)2] (Dy4, H2L1 = 6,6'-((1E,1'E)-(cyclohexane-1,3-diylbis(azanylylidene))bis(methanylylidene))bis(2-methoxyphenol)). The ligand H2L1 was obtained by the Schiff base in situ reaction of 3-methoxysalicylaldehyde and 1,2-cyclohexanediamine. In the Dy4 structure, (L1)2- has two different coordination modes: μ2-η1:η2:η1:η1 and μ4-η1:η2:η1:η1:η2:η1. The four DyIII ions are in two coordination environments: N2O6 (Dy1) and O9 (Dy2). The magnetic testing of cluster Dy4 without the addition of an external field revealed that it exhibited a clear frequency-dependent behavior. We changed 3-methoxysalicylaldehyde to 3-ethoxysalicylaldehyde and obtained one case of a hydrogen-bonded helix framework, [DyL2(NO3)3]n·2CH3CN (Dy-HHFs, H2L2 = 6,6'-((1E,1'E)-(cyclohexane-1,3-diylbis(azanylylidene))bis(methanylylidene))bis(2-ethoxyphenol)), under the same reaction conditions. The ligand H2L2 was formed by the Schiff base in situ reaction of 3-ethoxysalicylaldehyde and 1,2-cyclohexanediamine. All DyIII ions in the Dy-HHFs structure are in the same coordination environment (O9). The twisted S-shaped (L2)2- ligand is linked by a Dy(III) ion to form a spiral chain. The spiral chain is one of the independent units that is interconnected to form Dy-HHFs through three strong hydrogen-bonding interactions. Magnetic studies show that Dy-HHFs exhibits single-ion-magnet behavior (Ueff = 68.59 K and τ0 = 1.10 × 10-7 s, 0 Oe DC field; Ueff = 131.5 K and τ0 = 1.22 × 10-7 s, 800 Oe DC field). Ab initio calculations were performed to interpret the dynamic magnetic performance of Dy-HHFs, and a satisfactory consistency between theory and experiment exists.
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Affiliation(s)
- Zhong-Hong Zhu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Hui-Feng Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Shui Yu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Hua-Hong Zou
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Hai-Ling Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Bing Yin
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xian 710069 People's Republic of China
| | - Fu-Pei Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Science, Guangxi Normal University, Guilin 541004, People's Republic of China.,Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, People's Republic of China
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Cui H, Su J, Liang WW, Wang HL, Wang HF. Diagnostic analysis of abnormal increase of PASP in fetus in middle- and late-stage pregnancy by color Doppler echocardiography. Br J Radiol 2020; 93:20191011. [PMID: 32160003 PMCID: PMC10993218 DOI: 10.1259/bjr.20191011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 03/04/2020] [Accepted: 03/09/2020] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE Our study was conducted with an attempt to investigate the diagnostic analysis of abnormal increase of fetal pulmonary artery systolic pressure (PASP) in middle and late pregnancy by color Doppler echocardiography. METHODS From August 2017 to January 2019, 52 fetuses with moderate or greater tricuspid high-speed regurgitation were retrospectively analyzed and selected as Group A. 88 fetuses with full-color blood flow of the two ventricles and symmetrical sizes of the cardiac cavities on both sides harboring tricuspid valve and mild regurgitation or a small amount of regurgitation were selected as Group B. The pulmonary artery blood flow acceleration time (AT) and right ventricular ejection time (ET) was measured, and the PASP was calculated. RESULTS The tricuspid regurgitation velocity, tricuspid regurgitation pressure difference and PASP in Group A were higher than those in Group B (p < 0.05), and the AT and AT/ET values in Group A were lower than those in Group B (p < 0.05). Gestational age, tricuspid regurgitation velocity and tricuspid regurgitation pressure difference were positively correlated with PASP. However, AT/ET and AT value were negatively correlated with PASP. CONCLUSION The abnormal increase of pulmonary artery can be assessed by color Doppler echocardiography of fetal tricuspid regurgitation, which is worth popularizing and applying in clinic. ADVANCES IN KNOWLEDGE It was suggested that the middle- and late-stage fetuses with moderate or greater tricuspid regurgitation and with >20 mmHg regurgitation pressure difference should be followed up in clinic. If PASP was ≥70 mmHg with symptoms of right heart failure, fetuses should be closely observed until 35-36 weeks old to ensure fetal safety and early delivery would be recommended.
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Affiliation(s)
- Hong Cui
- Department of Ultrasound, Taian City Central
Hospital, Taian, Shandong,
China
| | - Juan Su
- Department of Ultrasound, Taian City Central
Hospital, Taian, Shandong,
China
| | - Wen-Wen Liang
- Department of Ultrasound, Taian City Central
Hospital, Taian, Shandong,
China
| | - Hong-Ling Wang
- Department of Ultrasound, Taian City Central
Hospital, Taian, Shandong,
China
| | - Hui-Feng Wang
- Department of Ultrasound, Taian City Central
Hospital, Taian, Shandong,
China
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Gu Z, Wu ML, Yan BY, Wang HF, Kong C. Integrated Digital Microfluidic Platform for Colorimetric Sensing of Nitrite. ACS Omega 2020; 5:11196-11201. [PMID: 32455243 PMCID: PMC7241042 DOI: 10.1021/acsomega.0c01274] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 04/22/2020] [Indexed: 05/13/2023]
Abstract
In this paper, a palm-size digital microfluidic (DMF) platform integrated with colorimetric analysis was developed for quantifying the concentration of nitrite. To realize the on-chip repeatable colorimetric analysis, a novel printed circuit board (PCB)-based DMF chip was designed with an embedded aperture on the actuator electrode, forming a vertical light path for online measurement of the droplets. The capabilities of the DMF platform enable automatic manipulation of microliter-level droplets to implement Griess assay without the use of external systems such as syringe, pump, or valve, which provides the benefits including high flexibility, portability, miniature size, and low cost. Results indicated the characteristics of good linearity (R 2 = 0.9974), the ignorable crosstalk for reusability, and the limit of detection (LOD) of nitrite as low as 5 μg/L. Furthermore, the presented platform was successfully applied to determine nitrite levels in food products with reliable results and satisfactory recoveries. This integrated DMF platform can be a promising new tool for a wide range of applications involving step-by-step solution mixing and optical detection in environmental monitoring, food safety analysis, and point-of-care testing.
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Affiliation(s)
- Zhen Gu
- Key
Laboratory of Advanced Control and Optimization for Chemical Processes
Ministry of Education, East China University
of Science and Technology, Shanghai 200237, P. R. China
| | - Ming-Lei Wu
- Key
Laboratory of Advanced Control and Optimization for Chemical Processes
Ministry of Education, East China University
of Science and Technology, Shanghai 200237, P. R. China
| | - Bing-Yong Yan
- Key
Laboratory of Advanced Control and Optimization for Chemical Processes
Ministry of Education, East China University
of Science and Technology, Shanghai 200237, P. R. China
| | - Hui-Feng Wang
- Key
Laboratory of Advanced Control and Optimization for Chemical Processes
Ministry of Education, East China University
of Science and Technology, Shanghai 200237, P. R. China
| | - Cong Kong
- Shanghai
Key Laboratory of Forensic Medicine (Academy of Forensic Science), Shanghai 200063, P. R. China
- Key
Laboratory of East China Sea Fishery Resources Exploitation, Ministry
of Agriculture and Rural Affairs, East China
Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200090, P. R. China
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Wang HF, Ma XF, Zhu ZH, Zou HH, Liang FP. Regulation of the Metal Center and Coordinating Anion of Mononuclear Ln(III) Complexes to Promote an Efficient Luminescence Response to Various Organic Solvents. Langmuir 2020; 36:1409-1417. [PMID: 32037836 DOI: 10.1021/acs.langmuir.9b02990] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A series of mononuclear lanthanide complexes [Ln(L1)(NO3)3], (Ln = Dy(III), 1; Tb(III), 3; and Eu(III), 4; L1 = (N1E,N2E)-N1,N2-bis((1-methyl-1H-benzo[d]imidazol-2-yl)methylene)cyclohexane-1,2-diamine) is obtained by reacting N-methylbenzimidazole-2-carbaldehyde (L2) and 1,2-cyclohexanediamine (L3) with Ln(NO3)3·6H2O under solvothermal conditions. L1 ligand is produced via an in situ Schiff base reaction of two molecules of L2 and one molecule of L3. The metal center Ln(III) is in a N4O6 environment formed by L1 and NO3-. NaSCN is added on the basis of 1 synthesis. One SCN- replaces one of the three coordinated NO3- anions in the 1 structure, and the complex [Dy(L1)(NO3)2(SCN)]·CH3CN (2) is synthesized. The complex 1 shows excellent luminescence response to petroleum ether (PET), an organic solvent. To the best of our knowledge, this study is the first to use a complex for sensing responses to PET. When the metal center is changed, the obtained mononuclear complexes 3 and 4 show an excellent luminescence response to tetrahydrofuran (THF). Lastly, 2 obtained by changing the coordinating anion shows an excellent luminescence response to dichloromethane. Herein, for the first time, we regulate the metal center and coordinating anion of lanthanide complexes to adjust the recognition and response of these complexes to different organic solvents.
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Affiliation(s)
- Hui-Feng Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources , School of Chemistry and Pharmacy of Guangxi Normal University , No. 15 Yucai Road , Qixing District, Guilin 541004 , P. R. China
| | - Xiong-Feng Ma
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources , School of Chemistry and Pharmacy of Guangxi Normal University , No. 15 Yucai Road , Qixing District, Guilin 541004 , P. R. China
| | - Zhong-Hong Zhu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources , School of Chemistry and Pharmacy of Guangxi Normal University , No. 15 Yucai Road , Qixing District, Guilin 541004 , P. R. China
| | - Hua-Hong Zou
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources , School of Chemistry and Pharmacy of Guangxi Normal University , No. 15 Yucai Road , Qixing District, Guilin 541004 , P. R. China
| | - Fu-Pei Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources , School of Chemistry and Pharmacy of Guangxi Normal University , No. 15 Yucai Road , Qixing District, Guilin 541004 , P. R. China
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering , Guilin University of Technology , No. 12 Jiangan Road , Qixing District, Guilin 541004 , P. R. China
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Qi SR, Cui YJ, Liu JX, Luo X, Wang HF. Lactobacillus rhamnosus GG components, SLP, gDNA and CpG, exert protective effects on mouse macrophages upon lipopolysaccharide challenge. Lett Appl Microbiol 2019; 70:118-127. [PMID: 31782817 DOI: 10.1111/lam.13255] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 11/22/2019] [Accepted: 11/25/2019] [Indexed: 12/17/2022]
Abstract
The aim of this study was to determine whether Lactobacillus rhamnosus GG (LGG) components (surface layer protein, SLP; genomic DNA, gDNA; unmethylated cytosine-phosphate-guanine-containing oligodeoxynucleotide, CpG-ODN), alone or in combination, could affect immunomodulation, and evaluate the signalling mechanism in mouse macrophage RAW264.7 cells challenged with lipopolysaccharide (LPS). LGG components were used to treat cells before LPS stimulation. Cytokine and Toll-like receptor (TLR) expression were assessed using real-time quantitative PCR (RT-qPCR). Mitogen-activated protein kinase (MAPK), extracellular regulated protein kinase (ERK) and nuclear factor-kappa B (NF-κB) signalling pathways were evaluated using immunoblots and immunofluorescence. SLP or SLP + gDNA pre-treatment significantly reduced the LPS-induced mRNA expression of tumour necrosis factor alpha (TNF-α). Pre-treatment with LGG single components (SLP, gDNA or CpG) or their combinations (SLP + gDNA or SLP + CpG) significantly decreased the LPS-induced interleukin-6 (IL-6) mRNA level (P < 0·05). Pre-treatment with SLP or gDNA, alone or in combination, significantly suppressed LPS-induced TLR2 and TLR4 mRNA levels (P < 0·05). SLP pre-treatment also significantly decreased the LPS-induced expression of TLR9 (P < 0·05). Pre-treatment with LGG single components or combinations significantly suppressed the LPS-induced phosphorylation levels of ERK (P > 0·05). In conclusion, pre-incubation with LGG components, singly or in combination, generally inhibited the activation of TLR, MAPK and NF-κB signalling pathways in LPS-stimulated cells, leading to attenuated inflammatory cytokine TNF-α and IL-6 production. These results indicate that nonviable probiotic LGG components exert an anti-inflammation effect on epithelial cells. SIGNIFICANCE AND IMPACT OF THE STUDY: Lactobacillus rhamnosus GG (LGG) is widely used as probiotics. However, its main components are not well known for affecting immunomodulation. This study investigated the effects of pre-treatments with different components such as surface layer protein, genomic DNA and unmethylated cytosine-phosphate-guanine-containing oligodeoxynucleotides, alone or in combination on immunomodulation, and evaluated the signalling mechanism in mouse macrophage RAW264.7 cells challenged with lipopolysaccharide. Pre-incubation with components alone or in combination generally inhibited the activation of Toll-like receptor, mitogen-activated protein kinases, extracellular regulated protein kinases and nuclear factor-kappa B signalling pathways in lipopolysaccharide-stimulated cells, which generally leads to attenuated inflammatory cytokine interleukin-6 and tumour necrosis factor alpha production. These results indicate that nonviable probiotic LGG components exert an anti-inflammation effect on epithelial cells.
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Affiliation(s)
- S R Qi
- College of Animal Science and Technology, Zhejiang A & F University, Lin'an, China
| | - Y J Cui
- College of Animal Science and Technology, Zhejiang A & F University, Lin'an, China
| | - J X Liu
- College of Animal Science, Zhejiang University, Hangzhou, China
| | - X Luo
- Department of Biomedical Sciences and Pathobiology, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - H F Wang
- College of Animal Science and Technology, Zhejiang A & F University, Lin'an, China.,College of Animal Science, Zhejiang University, Hangzhou, China
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Liu SB, Zhou LB, Wang HF, Li G, Xie QP, Hu B. Loss of IGF2R indicates a poor prognosis and promotes cell proliferation and tumorigenesis in bladder cancer via AKT signaling pathway. Neoplasma 2019; 67:129-136. [PMID: 31847523 DOI: 10.4149/neo_2019_190206n108] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 07/15/2019] [Indexed: 11/08/2022]
Abstract
The insulin growth factor 2 receptor (IGF2R) belongs to insulin growth factor (IGF) pathway and has been proposed as the tumor suppressor in many cancers. However, its role in bladder cancer is unknown. In the current study, we reported that IGF2R expression was decreased in bladder cancer tissues (p<0.05). Immunohistochemistry (IHC) and Cox regression analysis showed that low IGF2R expression was significantly associated with more advanced histological grade; high clinical stage; lymph node metastasis and poorer overall survival for patients with bladder cancer. Moreover, silencing IGF2R promoted cell proliferation of bladder cancer cells in vitro and in vivo (p<0.05). Furthermore, knockdown IGF2R resulted in higher phosphorylation level of AKT. The findings of this study indicated that IGF2R played a tumor suppressor role in bladder cancer. Downregulation IGF2R may promote tumor growth by activating AKT signaling pathway. IGF2R could be considered as a promising candidate for novel biomarker and therapeutic target for human bladder cancer.
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Affiliation(s)
- S B Liu
- Department of Urology, Cancer Hospital of China Medical University, China Medical University, Shenyang, China.,Department of Urology, Liaoning Cancer Hospital and Institute, Shenyang, China
| | - L B Zhou
- Department of Urology, Ningbo Medical Center Lihuili Hospital, Ningbo, China
| | - H F Wang
- Department of Urology, The Second Affiliated Hospital of Kunming Medical University, Yunnan Institute of Urology, Kunming Medical University, Kunming, China
| | - G Li
- Department of Urology, Cancer Hospital of China Medical University, China Medical University, Shenyang, China.,Department of Urology, Liaoning Cancer Hospital and Institute, Shenyang, China
| | - Q P Xie
- Department of Urology, Cancer Hospital of China Medical University, China Medical University, Shenyang, China.,Department of Urology, Liaoning Cancer Hospital and Institute, Shenyang, China
| | - B Hu
- Department of Urology, Cancer Hospital of China Medical University, China Medical University, Shenyang, China.,Department of Urology, Liaoning Cancer Hospital and Institute, Shenyang, China
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Wu QM, Liu G, Wang HF, Hu WY, Huang B. [Hydrocalumite Passivation Effect and Mechanism on Heavy Metals in Different Cd-Contaminated Farmland Soils]. Huan Jing Ke Xue 2019; 40:5540-5549. [PMID: 31854627 DOI: 10.13227/j.hjkx.201906079] [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: 06/10/2023]
Abstract
Hydrocalumite (Ca-Al-LDHs) is a new type of layered composite metal hydroxide that has a large specific surface area, high anion exchange performance, and high stability. This study focuses on the application of hydrocalumite to remediate different Cd-contaminated farmland soils. These were collected from the Lanping County in the Yunnan Province (highly polluted), Kunshan City in the Jiangsu Province (medium polluted), and Nanjing City in the Jiangsu Province (lowly polluted). Changes in the available Cd, Pb, Zn, and the morphological transformations of these heavy metals in the three soils were investigated through a passivation experiment; moreover, the immobilization mechanism of hydrocalumite was explored by X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). The results showed that hydrocalumite could increase the soil pH and reduce the content of available Cd, Pb, and Zn:the maximum reduction in the available Cd reached 97.7%, 96.3%, and 91.8% in each of the three polluted soils, respectively. The easily exchangeable heavy metals were converted into carbonates, as well as into Fe-Mn oxide organic and residual forms following the addition of hydrocalumite:the passivation effect was more evident in the highly Cd-polluted soil than in the low and medium Cd-polluted soils. Since hydrocalumite possess several adsorption sites, the presence of carbonate impurities and reactive groups (e.g., hydroxyl and carboxyl groups) easily coordinated with Cd, Pb, and Zn can lead to a considerable reduction of heavy metal availability in the soils. Therefore, we conclude that hydrocalumite can be effectively applied to the remediation of farmland soils characterized by different Cd pollution levels.
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Affiliation(s)
- Qiu-Mei Wu
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology(CICAEET), Nanjing University of Information Science & Technology, Nanjing 210044, China
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Gang Liu
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology(CICAEET), Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Hui-Feng Wang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Wen-You Hu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Biao Huang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
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