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Zhang LZ, Shang L, Zhang W, Jia LP, Ma RN, Li XJ, Xue QW, Wang HS. Dual-potential ratiometric electrochemiluminescence based on single emitter and single coreactant for the sensitive detection of carcinoembryonic antigen. Talanta 2024; 274:126023. [PMID: 38583328 DOI: 10.1016/j.talanta.2024.126023] [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: 02/14/2024] [Revised: 03/12/2024] [Accepted: 03/30/2024] [Indexed: 04/09/2024]
Abstract
Dual-potential ratiometric electrochemiluminescence (ECL) is in favor of resistance to environmental interference. However, two kinds of emitters or coreactants, and a wide scan potential range (>2 V) are mandatory. This work developed a new dual-potential ratiometric ECL sensor for detection of carcinoembryonic antigen (CEA) using single emitter (luminol) and single coreactant (H2O2) with a mild potential range from -0.1 to 0.6 V. Luminol could produce a strong cathodic ECL (Ec) induced by hydroxyl radicals (HO‧) from the reduction of H2O2, and a relatively weak anodic ECL (Ea). After the ferrocene modified CEA aptamer (Apt-Fc) was attached, Fc could promote Ea by catalyzing the oxidation of H2O2, and reduce Ec by consuming HO‧. With the cycling amplification of the exonuclease I, CEA could substantially reduce the amount of Apt-Fc, resulting in the decrease of Ea and the rise of Ec. So, the ratio of Ec to Ea (Ec/Ea) was used as the detection signal, realizing the sensitive determination of CEA from 0.1 pg mL-1 to 10 ng mL-1 with a LOD of 41.85 fg mL-1 (S/N = 3). The developed sensor demonstrated excellent specificity, stability and reproducibility, with satisfactory results in practical detection.
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Affiliation(s)
- Lin-Zhi Zhang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, PR China.
| | - Lei Shang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, PR China.
| | - Wei Zhang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, PR China
| | - Li-Ping Jia
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, PR China
| | - Rong-Na Ma
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, PR China
| | - Xiao-Jian Li
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, PR China
| | - Qing-Wang Xue
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, PR China
| | - Huai-Sheng Wang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, PR China.
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2
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Wang P, Qian XW, Jiang WJ, Wang HS, Hou J, Sun JQ, Wang XC, Zhai XW. [Analysis of efficacy and prognosis of allogeneic hematopoietic stem cell transplantation for the treatment of combined immunodeficiency]. Zhonghua Er Ke Za Zhi 2024; 62:444-450. [PMID: 38623012 DOI: 10.3760/cma.j.cn112140-20230815-00105] [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: 04/17/2024]
Abstract
Objective: To evaluate the efficacy of allogeneic hematopoietic stem cell transplantation for the treatment of combined immunodeficiency (CID) and explore prognostic risk factors. Methods: In this retrospective cohort study, clinical characteristics, laboratory tests and prognosis of 73 CID children who underwent allogeneic hematopoietic stem cell transplantation from February 2014 to April 2022 in the Children's Hospital of Fudan University were analyzed. Based on the subtypes of diseases, all patients were divided into severe combined immunodeficiency disease (SCID) group and other CID group. Based on the types of donors, all patients were divided into matched sibling donor group, matched unrelated donor group, unrelated cord blood group, and haploidentical donor group. Kaplan-Meier method and Log-Rank test were used to analyze the survival data. Cox regression was used to analyze prognostic factors. Results: Among the 73 patients, there were 61 (84%) males and 12 (16%) females. Fifty-five (75%) patients were SCID, and 18 (25%) patients were other CID. Donor source included 2 (3%) matched sibling donors (MSD), 3 (4%) matched unrelated donors (MUD), 64 (88%) unrelated cord blood (UCB), and 4 (5%) haploidentical donors. The age at transplant was 10.7 (5.9, 27.5) months, and the follow-up time was 36.2 (2.5, 62.9) months. The 3-year overall survival rate of 73 patients with CID was (67±6) %. No significant difference was found in the 3-year overall survival rates between patients with SCID (55 cases) and other CID (18 cases) ((64±7) % vs. (78±10) %, χ2=1.31, P=0.252). And no significant difference was found in the 3-year overall survival rates among patients who received MSD or MUD (5 cases), UCB (64 cases), and haploidentical donor (4 cases) transplant (100% vs. (66±6)% vs. (50±25) %, χ2=2.30, P=0.317). Cox regression analysis showed that the medical history of sepsis (HR=2.55, 95%CI 1.05-6.20, P=0.039) and hypoalbuminemia at transplant (HR=2.96, 95%CI 1.14-7.68, P=0.026) were independent risk factors for the prognosis of allogeneic hematopoietic stem cell transplantation in pediatric patients with CID. Conclusions: Allogeneic hematopoietic stem cell transplantation is an effective treatment for CID. The medical history of sepsis and hypoalbuminemia at transplant were risk factors for prognosis. Enhancing infection prevention and nutritional intervention before transplant can improve patient prognosis.
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Affiliation(s)
- P Wang
- Department of Hematology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - X W Qian
- Department of Hematology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - W J Jiang
- Department of Hematology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - H S Wang
- Department of Hematology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - J Hou
- Department of Clinical Immunology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - J Q Sun
- Department of Clinical Immunology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - X C Wang
- Department of Clinical Immunology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - X W Zhai
- Department of Hematology, Children's Hospital of Fudan University, Shanghai 201102, China
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Shi SS, Li XJ, Ma RN, Shang L, Zhang W, Zhao HQ, Jia LP, Wang HS. A smartphone-based electrochemical POCT for CEA based on signal amplification of Zr 6MOFs. Lab Chip 2024; 24:367-374. [PMID: 38126214 DOI: 10.1039/d3lc00748k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Carcinoembryonic antigen (CEA) is a biomarker of high expression in cancer cells. Highly sensitive and selective detection of CEA holds significant clinical value in the diagnosis, monitoring and efficacy evaluation of malignant tumors. In this work, a smartphone-based electrochemical point-of-care testing (POCT) platform for the detection of CEA was developed based on a Zr6MOF signal amplification strategy. Ferrocene labeled DNA strands (Fc-DNA) were immobilized on Zr6MOFs to form a Fc-DNA/Zr6MOF signal probe. Double-stranded DNA (dsDNA) formed by complementary DNA (cDNA) and CEA aptamer was assembled on a screen-printed electrode via an Au-S bond. When CEA was added, the aptamer specifically bound with CEA, resulting in the exposure of cDNA. Then, Fc-DNA/Zr6MOF signal probes were introduced on the electrode surface through hybridization between Fc-DNA and cDNA. The detection of CEA was realized by measuring the electrochemical response of Fc. The POCT device was made by connecting a modified electrode with a smartphone through a Sensit Smart USB flash disk. Due to the signal amplification of Zr6MOFs, this POCT platform exhibited high sensitivity, wide linear range, and low detection limit for CEA detection. The developed POCT platform has been used for the detection of CEA in actual human serum samples with satisfactory results.
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Affiliation(s)
- Shan-Shan Shi
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, P. R. China.
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, P. R. China.
| | - Xiao-Jian Li
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, P. R. China.
| | - Rong-Na Ma
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, P. R. China.
| | - Lei Shang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, P. R. China.
| | - Wei Zhang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, P. R. China.
| | - Huai-Qing Zhao
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, Shandong, 250022, P. R. China.
| | - Li-Ping Jia
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, P. R. China.
| | - Huai-Sheng Wang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, P. R. China.
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Jing WJ, Li FF, Liu Y, Ma RN, Zhang W, Shang L, Li XJ, Xue QW, Wang HS, Jia LP. An electrochemical ratiometric biosensor for the detection of dopamine based on an MXene-Au nanocomposite. Chem Commun (Camb) 2023; 59:12911-12914. [PMID: 37823254 DOI: 10.1039/d3cc03661h] [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: 10/13/2023]
Abstract
Compared with single signal detection, a ratiometric biosensor could offer more accurate and reliable results. Here, a ratiometric electrochemical biosensor for the sensitive and accurate detection of dopamine was developed based on the strong adsorption ability of MXene-Au toward methylene blue, an inner reference element. This ratiometric sensing strategy opened up a new avenue for the development of a ratiometric platform.
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Affiliation(s)
- Wen-Jie Jing
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Fei-Fei Li
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Yu Liu
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Rong-Na Ma
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Wei Zhang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Lei Shang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Xiao-Jian Li
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Qing-Wang Xue
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Huai-Sheng Wang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Li-Ping Jia
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
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Shi SS, Jia LP, Zhang W, Ma RN, Shang L, Li XJ, Zhao HQ, Wang HS. A label-free electrochemical aptasensor based on Bi-Sb alloy materials for potential POCT of HER-2. Analyst 2023; 148:4037-4043. [PMID: 37522239 DOI: 10.1039/d3an00606a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
As a prognostic biomarker for breast cancer, human epidermal growth factor receptor 2 (HER-2) is of crucial diagnostic value. Here, a label-free electrochemical aptasensor was established for the ultrasensitive detection of HER-2 using a modified electrode of Bi-Sb alloy materials (Bi-Sb AMs). The performance of the aptasensor was enhanced greatly due to the introduction of Bi-Sb alloy materials (Bi-Sb AMs) with high conductivity. Furthermore, by integrating the aptasensor with the Sensit Smart U-disk electrochemical analyzer, the point-of-care testing (POCT) for HER-2 was realized. Under the optimal experimental parameters, the POCT analyzer showed a wide linear response from 0.01 pg mL-1 to 100 ng mL-1, with a low detection limit (LOD) of 5.96 fg mL-1 for the detection of HER-2. The presented POCT analyzer exhibited good specificity, stability, and reproducibility. Benefiting from the simple operation and rapid testing, the developed analyzer will have potential application in the prognostic diagnosis and treatment of breast cancer.
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Affiliation(s)
- Shan-Shan Shi
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China.
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, PR China.
| | - Li-Ping Jia
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, PR China.
| | - Wei Zhang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, PR China.
| | - Rong-Na Ma
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, PR China.
| | - Lei Shang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, PR China.
| | - Xiao-Jian Li
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, PR China.
| | - Huai-Qing Zhao
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China.
| | - Huai-Sheng Wang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, PR China.
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Zhu Y, Zhou Q, Yu Y, Cao Y, Chen C, Zhai XW, Wang J, Wang HS. [A case of neonatal multi-system Langerhans cell histiocytosis treated by dabrafenib]. Zhonghua Er Ke Za Zhi 2023; 61:655-658. [PMID: 37385813 DOI: 10.3760/cma.j.cn112140-20230301-00149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Affiliation(s)
- Y Zhu
- Department of Neonatology,Children's Hospital of Fudan University,National Children's Medical Center, Shanghai 201102,China
| | - Q Zhou
- Department of Neonatology,Children's Hospital of Fudan University,National Children's Medical Center, Shanghai 201102,China
| | - Y Yu
- Department of Hematology,Children's Hospital of Fudan University,National Children's Medical Center, Shanghai 201102, China
| | - Y Cao
- Department of Neonatology,Children's Hospital of Fudan University,National Children's Medical Center, Shanghai 201102,China
| | - C Chen
- Department of Neonatology,Children's Hospital of Fudan University,National Children's Medical Center, Shanghai 201102,China
| | - X W Zhai
- Department of Hematology,Children's Hospital of Fudan University,National Children's Medical Center, Shanghai 201102, China
| | - J Wang
- Department of Neonatology,Children's Hospital of Fudan University,National Children's Medical Center, Shanghai 201102,China
| | - H S Wang
- Department of Hematology,Children's Hospital of Fudan University,National Children's Medical Center, Shanghai 201102, China
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Pan HJ, Gong YC, Cao WQ, Zhang ZH, Jia LP, Zhang W, Shang L, Li XJ, Xue QW, Wang HS, Ma RN. Fascinating Immobilization-Free Electrochemical Immunosensing Strategy Based on the Cooperation of Buoyancy and Magnetism. Anal Chem 2023; 95:7336-7343. [PMID: 37129510 DOI: 10.1021/acs.analchem.3c00485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Rapid and accurate detection of biomolecules is of vital importance for the diagnosis of disease and for performing timely treatments. The point-of-care analysis of cancer biomarkers in the blood with low cost and easy processing is still challenging. Herein, an advanced and robust strategy, which integrates the buoyant recognition probe with the magnetic reporter probe in one solution, was first proposed for immobilization-free electrochemical immunosensing. The tumor marker of alpha fetoprotein (AFP) can be captured immune-buoyantly, and then a multifunctional magnetic reporter probe in pseudo-homogeneous solution was further captured to fulfill a sandwich-type immunoreaction. The residual magnetic reporter probe can be firmly and efficiently attracted on a magnetic glassy carbon electrode to fulfill the conversion of the target AFP amount into the residual magnetic electrochemical signal indicator. As a result, the electrochemical signal of methylene blue can accurately reflect the original level of target antigen AFP concentration. By integrating buoyancy-driven quasi-homogenous biorecognition with magnetism-mediated amplification and signal output, the proposed immobilization-free electrochemical immunosensing strategy displayed a wide range of linear response (100 fg mL-1 to 10 ng mL-1), low detection limit (14.52 fg mL-1), and good reproducibility, selectivity, and stability. The designed strategy manifests remarkable advantages including assay simplicity, rapidness, and high sensitivity owing to the in-solution instead of on-electrode biorecognition that could accelerate and improve the biorecognition efficiency. To the best of our knowledge, this is the first cooperation of buoyancy-driven biorecognition with magnetism-mediated signal output in bioanalysis, which would be attractive for rapid clinic biomedical application. Thus, this work provides a fresh perspective for convenient and favorable immobilization-free electrochemical biosensing of universal biomolecules.
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Affiliation(s)
- Hui-Jing Pan
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Ying-Chao Gong
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Wen-Qi Cao
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Zhi-Heng Zhang
- Oncology Department, Hospital of Traditional Chinese Medicine of Liaocheng City, Liaocheng, Shandong 252000, P.R. China
| | - Li-Ping Jia
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Wei Zhang
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Lei Shang
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Xiao-Jian Li
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Qing-Wang Xue
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Huai-Sheng Wang
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
| | - Rong-Na Ma
- School of Chemistry and Chemical Engineering, Shandong Provincial Key Laboratory/Collaborative Innovation Center of Chemical Energy Storage, Liaocheng University, Liaocheng, Shandong 252059, P.R. China
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Wang MY, Jing WJ, Wang LJ, Jia LP, Ma RN, Zhang W, Shang L, Li XJ, Xue QW, Wang HS. Electrochemiluminescence detection of miRNA-21 based on dual signal amplification strategies: Duplex-specific nuclease -mediated target recycle and nicking endonuclease-driven 3D DNA nanomachine. Biosens Bioelectron 2023; 226:115116. [PMID: 36753989 DOI: 10.1016/j.bios.2023.115116] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/15/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
DNA nanomachines have shown potential application in the construction of various biosensors. Here, an electrochemiluminescence biosensor for the sensitive detection of miRNA-21 were reported based on three-dimensional (3D) DNA nanomachine and duplex-specific nuclease (DSN)-mediated target recycle amplification strategy. First, the bipedal DNA walkers were obtained by DSN-mediated digestion reaction initiated by target miRNA-21.3D DNA tracks were prepared by modifying Fe3O4 magnetic beads (MBs) with ferrocene-labeled DNA (Fc-DNA). The produced DNA walkers autonomously moved along 3D DNA tracks powered by nicking endonuclease. During the movement, ferrocene-labeled DNA was cleaved, resulting in large amounts of Fc-labeled DNA fragments away from the MBs surface. Finally, the liberated Fc-labeled DNA fragments were dropped on the C-g-C3N4 modified electrode surface, leading to the quenching of C-g-C3N4 electrochemiluminescence (ECL). Benefiting from the dual amplification strategy of 3D DNA nanomachine and DSN-mediated target recycling, the developed ECL biosensor exhibited an excellent performance for miRNA-21 detection with a wide linear range of 10 fM to 10 nM and a low detection limit of 1.0 fM. This work offers a new thought for the application of DNA walkers in the construction of various biosensors.
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Affiliation(s)
- Ming-Yue Wang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China
| | - Wen-Jie Jing
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China
| | - Li-Juan Wang
- No. 3 Middle School of Liaocheng, Liaocheng, Shandong Province, 252000, China
| | - Li-Ping Jia
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
| | - Rong-Na Ma
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China
| | - Wei Zhang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China
| | - Lei Shang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China
| | - Xiao-Jian Li
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China
| | - Qing-Wang Xue
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China
| | - Huai-Sheng Wang
- College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, 252000, China.
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Wei ZL, Qian XW, Wang P, Jiang WJ, Wang HS, Shen C, Wang WJ, Hou J, Wang YH, Huang Y, Wang XC, Zhai XW. [Analysis of risk factors and prognosis of cytomegalovirus infection post umbilical cord blood stem cell transplantation in children with primary immunodeficiency diseases]. Zhonghua Er Ke Za Zhi 2022; 60:1019-1025. [PMID: 36207848 DOI: 10.3760/cma.j.cn112140-20220501-00403] [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 investigate the risk factors and outcomes of cytomegalovirus (CMV) infection post umbilical cord blood stem cell transplantation (UCBT) in children with primary immunodeficiency diseases (PID). Methods: Clinical data of 143 PID children who received UCBT in the Children's Hospital of Fudan University from January 2015 to June 2020 were collected retrospectively. CMV-DNA in the plasma was surveilled once or twice a week within 100 days post-UCBT. According to the CMV-DNA test results, children were divided into the CMV-infected group and the CMV-uninfected group. The incidence and risk factors of CMV infection were analyzed. At 1-month post-UCBT, the absolute lymphocyte count, ratio of lymphocyte subsets and immunoglobulin levels were compared between those whose CMV infection developed 1-month later post-UCBT and those not. Mann-Whitney U test and chi-squared test were used for comparision between groups. Kaplan-Meier survival analysis was used to analyze the impact of CMV infection on survival. Results: Among 143 patients, there were 113 males and 30 females, with a age of 14 (8, 27) months at UCBT. Chronic granulomatosis disease (n=49), very-early-onset inflammatory bowel disease (n=43) and severe combined immunodefiency (n=29) were the three main kinds of PID. The rate of CMV infection was 21.7% (31/143), and the time of infection occurring was 44 (31, 49) days post-UCBT. The incidence of recurrent CMV infection was 4.2% (6/143) and refractory CMV infection was 4.9% (7/143).There was no significant difference in the first time CMV-DNA copy and peak CMV-DNA copy during treatment between the recurrent CMV infection group and the non-recurrent CMV infection group (32.8 (18.3, 63.1)×106 vs. 22.5 (13.2, 31.9)×106 copies/L, Z=-0.95, P=0.340;35.2 (20.2, 54.6)×106 vs. 28.4 (24.1, 53.5)×106copies/L, Z=-0.10, P=0.920), so were those between the refractory CMV infection group and non-refractory CMV infection group (21.8 (13.1, 32.2)×106 vs. 25.9 (14.2, 12.2)×106copies/L, Z=-1.04, P=0.299; 47.7 (27.9, 77.6)×106 vs. 27.7 (19.7,51.8)×106copies/L, Z=-1.49, P=0.137). The CMV-infected group accepted more reduced-intensity conditioning (RIC) regimen than the CMV-uninfected group (45.2% (14/31) vs. 25.0% (28/112), χ2=4.76, P<0.05). The rate of CMV-seropositive recipients and Ⅱ-Ⅳ acute graft versus host diseases (aGVHD) are significantly higher in the CMV-infected group than the CMV-uninfected group (100% (31/31) vs. 78.6% (88/112), 64.5% (20/31) vs. 26.8% (30/112), χ2=7.98,15.20, both P<0.05). The follow-up time was 31.6 (13.2, 45.9) months, CMV infection had no effect on overall survival (OS) rate (χ2=0.02, P=0.843). There was significant difference in the survival rate among three groups of refractory CMV infection, non-refractory CMV infection and the CMV-uninfected (4/7 vs.95.8% (23/24) vs. 86.6% (97/112), χ2=5.91, P=0.037), while there was no significant difference in the survival rate among three groups of recurrent CMV infection, non-recurrent CMV infection and the CMV-uninfected (5/6 vs. 88.0% (22/25) vs. 86.6% (97/112), χ2=0.43, P=0.896). Children who developed CMV infection after 30 days post-UCBT had lower absolute count and rate of CD4+ T cells and immunoglobulin G (IgG) level than those in the CMV-uninfected group (124.1 (81.5, 167.6) ×106 vs. 175.5 (108.3, 257.2) ×106/L, 0.240 (0.164, 0.404) vs. 0.376 (0.222, 0.469), 9.3 (6.2, 14.7) vs. 13.6 (10.7, 16.4) g/L, Z=-2.48, -2.12,-2.47, all P<0.05), but have higher rate of CD8+T cells than those in CMV-uninfected group (0.418 (0.281, 0.624) vs. 0.249 (0.154, 0.434), Z=-2.56, P=0.010). Conclusions: RIC regimen, grade Ⅱ-Ⅳ aGVHD and CMV-seropositive recipients are the main risk factors associated with CMV infection in PID patients post-UCBT. Survival rate of children with refractory CMV infection after UCBT is reduced. Immune reconstitution in children after UCBT should be regularly monitored, and frequency of CMV-DNA monitoring should be increased for children with delayed immune reconstitution.
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Affiliation(s)
- Z L Wei
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - X W Qian
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - P Wang
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - W J Jiang
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - H S Wang
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - C Shen
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - W J Wang
- Department of Immunology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - J Hou
- Department of Immunology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Y H Wang
- Department of Gastroenterology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Y Huang
- Department of Gastroenterology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - X C Wang
- Department of Immunology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - X W Zhai
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
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10
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Zhang M, Wu P, Duan YL, Jin L, Yang J, Huang S, Liu Y, Hu B, Zhai XW, Wang HS, Fu Y, Li F, Yang XM, Liu AS, Qin S, Yuan XJ, Dong YS, Liu W, Zhou JW, Zhang LP, Jia YP, Wang J, Qu LJ, Dai YP, Guan GT, Sun LR, Jiang J, Liu R, Jin RM, Wang ZJ, Wang XG, Zhang BX, Chen KL, Zhuang SQ, Zhang J, Zhou CJ, Gao ZF, Zheng MC, Zhang Y. [Mid-term efficacy of China Net Childhood Lymphoma-mature B-cell lymphoma 2017 regimen in the treatment of pediatric Burkitt lymphoma]. Zhonghua Er Ke Za Zhi 2022; 60:1011-1018. [PMID: 36207847 DOI: 10.3760/cma.j.cn112140-20220429-00390] [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 analyze the clinical characteristics of children with Burkitt lymphoma (BL) and to summarize the mid-term efficacy of China Net Childhood Lymphoma-mature B-cell lymphoma 2017 (CNCL-B-NHL-2017) regimen. Methods: Clinical features of 436 BL patients who were ≤18 years old and treated with the CNCL-B-NHL-2017 regimen from May 2017 to April 2021 were analyzed retrospectively. Clinical characteristics of patients at disease onset were analyzed and the therapeutic effects of patients with different clinical stages and risk groups were compared. Survival analysis was performed by Kaplan-Meier method, and Cox regression was used to identify the prognostic factors. Results: Among 436 patients, there were 368 (84.4%) males and 68 (15.6%) females, the age of disease onset was 6.0 (4.0, 9.0) years old. According to the St. Jude staging system, there were 4 patients (0.9%) with stage Ⅰ, 30 patients (6.9%) with stage Ⅱ, 217 patients (49.8%) with stage Ⅲ, and 185 patients (42.4%) with stage Ⅳ. All patients were stratified into following risk groups: group A (n=1, 0.2%), group B1 (n=46, 10.6%), group B2 (n=19, 4.4%), group C1 (n=285, 65.4%), group C2 (n=85, 19.5%). Sixty-three patients (14.4%) were treated with chemotherapy only and 373 patients (85.6%) were treated with chemotherapy combined with rituximab. Twenty-one patients (4.8%) suffered from progressive disease, 3 patients (0.7%) relapsed, and 13 patients (3.0%) died of treatment-related complications. The follow-up time of all patients was 24.0 (13.0, 35.0) months, the 2-year event free survival (EFS) rate of all patients was (90.9±1.4) %. The 2-year EFS rates of group A, B1, B2, C1 and C2 were 100.0%, 100.0%, (94.7±5.1) %, (90.7±1.7) % and (85.9±4.0) %, respectively. The 2-year EFS rates was higher in group A, B1, and B2 than those in group C1 (χ2=4.16, P=0.041) and group C2 (χ2=7.21, P=0.007). The 2-year EFS rates of the patients treated with chemotherapy alone and those treated with chemotherapy combined with rituximab were (79.3±5.1)% and (92.9±1.4)% (χ2=14.23, P<0.001) respectively. Multivariate analysis showed that stage Ⅳ (including leukemia stage), serum lactate dehydrogenase (LDH)>4-fold normal value, and with residual tumor in the mid-term evaluation were risk factors for poor prognosis (HR=1.38,1.23,8.52,95%CI 1.05-1.82,1.05-1.43,3.96-18.30). Conclusions: The CNCL-B-NHL-2017 regimen show significant effect in the treatment of pediatric BL. The combination of rituximab improve the efficacy further.
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Affiliation(s)
- M Zhang
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing 100045, China
| | - P Wu
- Department of Hematology, Hunan Children's Hospital, Changsha 410007, China
| | - Y L Duan
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing 100045, China
| | - L Jin
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing 100045, China
| | - J Yang
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing 100045, China
| | - S Huang
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing 100045, China
| | - Y Liu
- Department of Pediatric Lymphoma, Beijing GoBroad Boren Hospital, Beijing 100070, China
| | - B Hu
- Department of Pediatric Lymphoma, Beijing GoBroad Boren Hospital, Beijing 100070, China
| | - X W Zhai
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - H S Wang
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - Y Fu
- Department of Hematology, Children's Hospital of Fudan University, National Children's Medical Center, Shanghai 201102, China
| | - F Li
- Hematology & Oncology Department, Children's Hospital Affiliated to Shandong University, Jinan 250022, China
| | - X M Yang
- Hematology & Oncology Department, Children's Hospital Affiliated to Shandong University, Jinan 250022, China
| | - A S Liu
- Department of Hematology & Oncology, Xi'an Children's Hospital, Xi'an 710002, China
| | - S Qin
- Department of Hematology & Oncology, Xi'an Children's Hospital, Xi'an 710002, China
| | - X J Yuan
- Department of Pediatric Hematology/Oncology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Y S Dong
- Department of Pediatric Hematology/Oncology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - W Liu
- Department of Hematology & Oncology, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - J W Zhou
- Department of Hematology & Oncology, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - L P Zhang
- Department of Pediatrics, Peking University People's Hospital, Beijing 100044, China
| | - Y P Jia
- Department of Pediatrics, Peking University People's Hospital, Beijing 100044, China
| | - J Wang
- Department of Hematology & Oncology, Anhui Children's Hospital, Hefei 230022, China
| | - L J Qu
- Department of Hematology & Oncology, Anhui Children's Hospital, Hefei 230022, China
| | - Y P Dai
- Department of Pediatric Hematology & Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - G T Guan
- Department of Pediatric Hematology & Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - L R Sun
- Department of Pediatric Hematology & Oncology, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - J Jiang
- Department of Pediatric Hematology & Oncology, the Affiliated Hospital of Qingdao University, Qingdao 266003, China
| | - R Liu
- Department of Hematology, Children's Hospital, Capital Pediatric Research Institute, Beijing 100020, China
| | - R M Jin
- Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Z J Wang
- Department of Pediatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - X G Wang
- Department of Hematology and Oncology, Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052
| | - B X Zhang
- Department of Pediatrics, Second Hospital of Hebei Medical University, Shijiazhuang 050004, China
| | - K L Chen
- Department of Hematology and Oncology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430016, China
| | - S Q Zhuang
- Department of Pediatrics, First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou 362002, China
| | - J Zhang
- Department of Hematology & Oncology, the First People's Hospital of Urumqi, Urumqi 830002, China
| | - C J Zhou
- Pathology Department, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - Z F Gao
- Department of Pathology, Peking University Third Hospital, Beijing 100191, China
| | - M C Zheng
- Department of Hematology, Hunan Children's Hospital, Changsha 410007, China
| | - Yonghong Zhang
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing 100045, China
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11
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Wang HS, Hu XS, Lin YJ, Chen YH, Lian L, Peng JS. [Modified mattress inversion suturing with double barbed sutures used for totally laparoscopic esophagojejunostomy overlap anastomosis after radical total gastrectomy]. Zhonghua Wei Chang Wai Ke Za Zhi 2022; 25:812-818. [PMID: 36117373 DOI: 10.3760/cma.j.cn441530-20220301-00072] [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: To explore the advantages and safety of a modified mattress inversion suturing using double barbed sutures compared with the traditional overlap method in totally laparoscopic esophagojejunostomy overlap anastomosis. Methods: A retrospective cohort study was conducted. The inclusion criteria were as follows: (1) patients were aged 18 - 80 years old; (2) adenocarcinoma was preoperatively confirmed by pathological analysis; (3) patients had undergone a complete laparoscopic radical total gastrectomy; (4) patients had undergone esophagojejunostomy using the overlap method; (5) patients received a grade of I-III on the American Society of Anesthesiologists physical status classification system; (6) patients' complete follow-up data had been collected. Patients with a history of other malignant tumors, multi-origin tumors, emergency surgery, non-R0 radical resection or distant metastasis were excluded. The clinical data of 89 gastric cancer patients who underwent total laparoscopic radical total gastrectomy in the Department of Gastrointestinal Surgery in the Sixth Affiliated Hospital of Sun Yat-sen University from January 2019 to December 2020 were collected. These patients were grouped according to the esophagojejunostomy method used. Of 89 patients, 32 received modified mattress inversion suturing with double barbed sutures to close the common opening of esophagojejunostomy (the modified anastomosis group), while 57 received traditional overlap anastomosis in which the common opening was closed by barbed suture (the traditional anastomosis group). The operation conditions (incision length, conversion to laparotomy, duration of esophagojejunostomy) and postoperative recovery (time to commencement of a liquid diet, duration of postoperative hospital stay, anastomotic leakage, anastomotic stenosis, and anastomotic bleeding) were compared between the two groups. Results: There was no significant difference in the baseline data of the two groups for any parameter (all P>0.05). All patients received complete laparoscopic radical gastrectomy without conversion to laparotomy. There were no significant differences in the length of the median incision, the proportion of food intake on the first day after surgery, or in the incidence of anastomotic complications such as anastomotic leakage, anastomotic stenosis, and anastomotic bleeding between the two groups (P>0.05). Compared with the traditional anastomosis group, patients in the modified anastomosis group had shorter anastomosis time [26 (19-62) minutes vs. 36 (20-50) minutes, Z=-2.546, P=0.011] and postoperative hospital stay [7 (6-12) days vs. 9 (7-42) days, Z=-4.202, P<0.001]. The differences were statistically significant (all P<0.05). In a subgroup analysis of tumor TNM stage III, Siewert type II and neoadjuvant chemotherapy patients, there was no significant difference in the incidence of anastomotic complications between the modified group and the traditional group. However, the postoperative hospital stay duration in the modified anastomosis group was less than in the traditional anastomosis group. The duration of anastomosis in Siewert type II patients was also shorter in the modified anastomosis group than in the traditional anastomosis group [26 (19-62) minutes vs. 38 (21-50) minutes, Z=-2.105, P=0.035], and the difference was statistically significant (all P<0.05). Conclusion: Complete laparoscopic esophagojejunostomy using modified mattress inversion suturing with double barbed sutures is a safe and feasible anastomosis method to close the common opening of esophagojejunostomy, with shorter operation time, faster postoperative recovery and shorter hospital stay than the traditional method.
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Affiliation(s)
- H S Wang
- Department of Gastrointestinal Surgery, The Six Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China
| | - X S Hu
- Department of Gastrointestinal Surgery, The Six Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China
| | - Y J Lin
- Department of Gastrointestinal Surgery, The Six Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China
| | - Y H Chen
- Department of Gastrointestinal Surgery, The Six Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China
| | - L Lian
- Department of Gastrointestinal Surgery, The Six Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China
| | - J S Peng
- Department of Gastrointestinal Surgery, The Six Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China
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Shang L, Shi BJ, Zhang W, Jia LP, Ma RN, Xue QW, Wang HS. Ratiometric Electrochemiluminescence Sensing of Carcinoembryonic Antigen Based on Luminol. Anal Chem 2022; 94:12845-12851. [PMID: 36067524 DOI: 10.1021/acs.analchem.2c02803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ratiometric electrochemiluminescence (ECL) sensors can efficiently remove environmental interference to attain precise detection. Nonetheless, two eligible luminophores or coreactants were usually needed, increasing the complexity and restricting their practical application. In this study, a single luminophore of luminol with a single coreactant of H2O2 was employed to construct a dual-potential ratiometric ECL sensor for the detection of carcinoembryonic antigen (CEA). The produced palladium nanoclusters (Pd NCs) employing a DNA duplex as a template could not only stimulate luminol to produce cathodic ECL (Icathodic) but also quench its anodic ECL (Ianodic). During the detection process, CEA could damage the double-stranded structure and reduce the Pd NCs' amount, triggering a significant decrease in the ratio of Icathodic to Ianodic (Icathodic/Ianodic) and thereby achieving sensitive CEA's detection. Furthermore, the Icathodic/Ianodic was independent of the H2O2 concentration, which avoided a prejudicial effect from H2O2 decomposition and considerably enhanced the detection's reliability. The developed ratiometric ECL sensor demonstrated a sensitive detection toward CEA with a wide linear range from 100 ag/mL to 10 ng/mL and a detection limit of 87.1 ag/mL (S/N = 3). In conclusion, this study offers a new idea for constructing ratiometric ECL sensors based on a single luminophore and technical support for cancer's early diagnosis.
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Affiliation(s)
- Lei Shang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252059, P. R. China
| | - Bing-Jiao Shi
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252059, P. R. China
| | - Wei Zhang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252059, P. R. China
| | - Li-Ping Jia
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252059, P. R. China
| | - Rong-Na Ma
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252059, P. R. China
| | - Qing-Wang Xue
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252059, P. R. China
| | - Huai-Sheng Wang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252059, P. R. China
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Wang HS, Deng J, Wang XH, Chen CH, Wang X, Zhuo XW, Dai LF, Li H, Fang F. [Analysis of clinical and genetic characteristics of epilepsy associated with chromosome 16p11.2 microdeletion]. Zhonghua Er Ke Za Zhi 2022; 60:339-344. [PMID: 35385941 DOI: 10.3760/cma.j.cn112140-20211115-00953] [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 clinical and genetic characteristics of epilepsy associated with chromosome 16p11.2 microdeletion. Methods: The patients (n=10) with 16p11.2 microdeletion found in children with epilepsy treated in Beijing Children's Hospital Affiliated to Capital Medical University from January 2018 to January 2021 were collected. The clinical manifestations, gene variations and prognosis were analyzed retrospectively. Results: A total of 10 children's data were collected, including 5 male and 5 female. The onset age of epilepsy was 4.5 (4.1,5.0) months. Regarding the seizure types, 7 cases had focal seizures with secondary generalization, 2 cases had generalized seizures, and 1 case had tonic seizures and spasms. Nine cases had cluster seizure attacks and 3 cases had status epilepticus. Seven cases had focal or multifocal epileptiform discharges in interictal electroencephalogram (EEG), 3 cases had borderline or normal EEG. Brain magnetic resonance imaging showed polymicrogyria in 1 case, paraventricular leukomalacia in 1 case, delayed myelination of white matter in 3 cases, and no obvious abnormalities in the other 5 cases. The patients were followed up for 0.5-3.5 years, with 1-3 kinds of antiepileptic drugs taken orally. The case with polymicrogyria still had seizures, however the other 9 cases had seizures controlled. The age of the last seizure attack was 8 (6, 12) months. There were 6 cases with mental and motor developmental delay before epilepsy onset. During the follow-up, 7 cases were retarded to varying degrees, while 3 cases had normal development. Regarding the genetic detection methods, 7 cases underwent whole exome sequencing, 2 cases underwent whole genome copy number variation detection, and 1 case underwent whole genome sequencing. The length of the 16p11.2 deletion in 10 cases ranged from 525 to 951 kb, and all contained the PRRT2 gene intact. Six cases were de novo variants, 1 case was inherited from the mother who had a history of convulsions in early childhood, and the source of variant was not verified in 3 cases, none of whose parents had relevant phenotype. Conclusions: The epilepsy associated with 16p11.2 microdeletion is mainly induced by the heterozygous deletion of PRRT2 gene in this region, however the phenotype is usually severe, and often combined with developmental and epileptic encephalopathy. Detection of copy number variation should be emphasized in children whose etiology is considered genetic but second-generation sequencing result is negative.
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Affiliation(s)
- H S Wang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - J Deng
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - X H Wang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - C H Chen
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - X Wang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - X W Zhuo
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - L F Dai
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - H Li
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - F Fang
- Department of Neurology, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
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14
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Li M, Wang HS, Wang CL, Zhang L, Yang XL, Xu Y, Gao W, Guo Z, Yu HP. [Risk factors of pancreatitis after percutaneous transhepatic biliary drainage in patients with pancreatic cancer and obstructive jaundice]. Zhonghua Nei Ke Za Zhi 2022; 61:82-85. [PMID: 34979775 DOI: 10.3760/cma.j.cn112138-20210204-00101] [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: 06/14/2023]
Abstract
Objective: To explore the risk factors and preventive strategies of pancreatitis after percutaneous transhepatic biliary drainage (PTBD) in patients with pancreatic cancer and obstructive jaundice. Methods: A total of 241 patients were retrospectively analyzed from May 2001 to October 2014 in Tianjin Medical University Cancer Institute and Hospital. The possibly correlated 9 factors were analyzed, including gender, age, hemoglobin level, total bilirubin level, degree of pancreatic duct dilatation, degree of pancreatic atrophy, degree of biliary stenosis, the pancreatic duct visualization, and drainage mode. Results: Univariate analysis suggested that pancreatic duct dilatation, pancreatic atrophy, visualized pancreatic duct and drainage mode were associated with the incidence of pancreatitis after PTBD (P<0.05). Logistic regression analysis showed that visualization of pancreatic duct (OR=6.33) was a risk factor for pancreatitis, while pancreatic duct dilatation (OR=0.14), pancreatic atrophy (OR=0.12) and external drainage (OR=0.11) were protective factors for pancreatitis. Conclusion: In pateints with pancreatic cancer and obstructive jaundice, pancreatic duct dilatation and pancreatic atrophy predict low risk of pancreatitis after PTBD,while intraoperative pancreatic duct visualization and internal or external drainage may increase the incidence of postoperative pancreatitis.
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Affiliation(s)
- M Li
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Reserch Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300000, China The Affiliated Hospital of Hebei University, Experimental Center of Hebei University Hospital, Baoding 071000, China
| | - H S Wang
- The Affiliated Hospital of Hebei University, Experimental Center of Hebei University Hospital, Baoding 071000, China
| | - C L Wang
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Reserch Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300000, China
| | - L Zhang
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Reserch Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300000, China
| | - X L Yang
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Reserch Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300000, China
| | - Y Xu
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Reserch Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300000, China
| | - W Gao
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Reserch Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300000, China
| | - Z Guo
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Reserch Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300000, China
| | - H P Yu
- Tianjin Medical University Cancer Institute and Hospital, National Clinical Reserch Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300000, China
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15
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Shang L, Zhao XH, Zhang W, Jia LP, Ma RN, Xue QW, Wang HS, Guo AX, Si L. Graphene-PtPd nanocomposite for low-potential-driven electrochemiluminescent determination of carcinoembryonic antigen using Ru(bpy) 32. Mikrochim Acta 2021; 189:17. [PMID: 34873664 DOI: 10.1007/s00604-021-05120-5] [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: 10/06/2021] [Accepted: 11/29/2021] [Indexed: 10/19/2022]
Abstract
As well known, the electrochemiluminescence (ECL) of tris(2,2'-bipyridine)ruthenium(II) (Ru(bpy)32+) heavily relies on highly positive or negative triggered voltage, prejudicing the detection toward the bio-molecules. In this work, Ru(bpy)32+ could generate enhanced and stable ECL at a low potential of 0.05 V (vs. Ag/AgCl) on graphene-PtPd hybrid, attributing to its excellent electrocatalysis from the synergistic effect between Pt and Pd. The obtained low-potential-driven ECL could be quenched by MoS2 nanoflowers. Based on the quenching effect, a sandwich "signal-off" ECL immunosensor was fabricated to sensitively detect carcinoembryonic antigen (CEA). A linear calibration curve from 1 fg mL-1 to 1 ng mL-1 was obtained along with a low detection limit of 0.54 fg mL-1 (S/N = 3) under optimal conditions. The sensor showed satisfactory specificity, stability, and reproducibility and was successfully applied to determine CEA in actual samples. The recoveries ranged from 98.80 to 100.23%, and the relative standard deviation (RSD) was lower than 5%. Above all, this work explored new materials in low-potential-driven ECL system and provided a reliable sensing strategy for clinical applications.
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Affiliation(s)
- Lei Shang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, People's Republic of China.
| | - Xiao-Hong Zhao
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, People's Republic of China
| | - Wei Zhang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, People's Republic of China
| | - Li-Ping Jia
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, People's Republic of China
| | - Rong-Na Ma
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, People's Republic of China
| | - Qing-Wang Xue
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, People's Republic of China
| | - Huai-Sheng Wang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252059, People's Republic of China.
| | - Ai-Xiang Guo
- Liaocheng People's Hospital, Liaocheng, 252002, Shandong, China
| | - Lei Si
- Liaocheng People's Hospital, Liaocheng, 252002, Shandong, China
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16
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Zhao XH, Shang L, Zhang W, Jia LP, Ma RN, Wang HS. Sensitive detection of carcinoembryonic antigen based on a low-potential-triggered electrochemiluminescence of tris(2,2′-bipyridine)ruthenium(II) with oxalate as coreactant. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Zhou QY, Ma RN, Hu CL, Sun F, Jia LP, Zhang W, Shang L, Xue QW, Jia WL, Wang HS. A novel ratiometric electrochemical biosensing strategy based on T7 exonuclease-assisted homogenous target recycling coupling hairpin assembly-triggered double-signal output for the multiple amplified detection of miRNA. Analyst 2021; 146:2705-2711. [PMID: 33751013 DOI: 10.1039/d1an00204j] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A novel ratiometric electrochemical biosensing strategy based on T7 exonuclease (T7 Exo)-assisted homogenous target recycling coupling hairpin assembly triggered dual-signal output was proposed for the accurate and sensitive detection of microRNA-141 (miRNA-141). Concretely, in the presence of target miRNA, abundant signal transduction probes were released via the T7 Exo-assisted homogenous target recycling amplification, which could be captured by the specially designed ferrocene-labeled hairpin probe (Fc-H1) on -electrode interface and triggered the nonenzymatic catalytic hairpin assembly (Fc-H1 + MB-H2) to realize the cascade signal amplification and dual-signal output. Through such a conformational change process, the electrochemical signal of Fc (IFc) and MB (IMB) is proportionally and substantially decreased and increased. Therefore, the signal ratio of IMB/IFc can be employed to accurately reflect the true level of original miRNA. Benefiting from the efficient integration of the T7 Exo-assisted target recycle, nonenzymatic hairpin assembly and dual-signal output mode, the proposed sensor could realize the amplified detection of miRNA-141 effectively with a wide detection range from 1 fM to 100 pM, and a detection limit of 200 aM. Furthermore, it exhibits outstanding sequence specificity to discriminate mismatched RNA, acceptable reproducibility and feasibility for real sample. This strategy effectively integrated the advantages of multiple amplification and ratiometric output modes, which could provide an accurate and efficient method in biosensing and clinical diagnosis.
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Affiliation(s)
- Qing-Yun Zhou
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
| | - Rong-Na Ma
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
| | - Chao-Long Hu
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
| | - Fei Sun
- Oncology Department, Hospital of Traditional Chinese Medicine of Jinan City, Jinan 250000, Shandong, P.R. China
| | - Li-Ping Jia
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
| | - Wei Zhang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
| | - Lei Shang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
| | - Qing-Wang Xue
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
| | - Wen-Li Jia
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
| | - Huai-Sheng Wang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252000, Shandong, P.R. China.
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18
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Jia LP, Feng Z, Zhao RN, Ma RN, Zhang W, Shang L, Jia WL, Wang HS. Enzyme-free and triple-amplified electrochemical sensing of 8-hydroxy-2'-deoxyguanosine by three kinds of short pDNA-driven catalyzed hairpin assemblies followed by a hybridization chain reaction. Analyst 2020; 145:3605-3611. [PMID: 32266898 DOI: 10.1039/d0an00233j] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A sensitive and enzyme-free electrochemical aptasensor was constructed for the sensing of 8-hydroxy-2'-deoxyguanosine (8-OH-dG). In the process of constructing the aptasensor, triple signal amplification strategies were introduced to enhance the sensitivity. First, every aptamer/pDNA complex immobilized on magnetic beads could release three kinds of pDNAs when 8-OH-dG was introduced, which caused three-fold magnification of the target. Second, the released three kinds of pDNAs initiated catalyzed hairpin assembly between two hairpin DNAs (HP1 and HP2) on a gold electrode. Meanwhile, the three kinds of pDNAs were released again by a strand displacement reaction to obtain the next catalyzed hairpin assembly. Third, the emerging toehold of HP2 further induced a hybridization chain reaction (HCR) between two hairpin DNAs (HP3 and HP4), forming a long double-stranded DNA concatemer on the surface of the electrode. Finally, [Ru(NH3)6]3+, an electroactive cation, was adsorbed onto the long dsDNA concatemer by electrostatic interactions and consequently, an electrochemical signal was generated. Under this triple signal amplification, a low detection limit down to 24.34 fM has been obtained for 8-OH-dG determination, which is superior to those of most previously reported methods.
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Affiliation(s)
- Li-Ping Jia
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China.
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19
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Man J, Chen L, Zhai XW, Ma YY, Wang HS, Qian XW, Feng JY, Zhao J, Cao P, Lu FJ. [Expression of p-AKT and p-mTOR in pediatric Burkitt lymphoma and their correlation with prognosis]. Zhonghua Bing Li Xue Za Zhi 2020; 49:156-161. [PMID: 32074729 DOI: 10.3760/cma.j.issn.0529-5807.2020.02.010] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the expression of p-AKT and p-mTOR, the key proteins in PI3K/AKT/mTOR pathway in pediatric Burkitt lymphoma (BL), and to investigate the clinical and prognostic significance. Methods: Fifty-eight cases of pediatric BL and thirty cases of reactive hyperplastic lymphadenitis (RH) were collected at Children's Hospital of Fudan University from September 2011 to July 2018. Paraffin sections of tissues were immune stained for p-AKT and p-mTOR, and the expression was assessed and correlated with the clinical features and prognosis. Results: A total of 58 cases were diagnosed and 6 cases lost the follow-up. Of the remaining 52 BL patients including 43 males and 9 females, the median age was 5 years (range: 2 to 14 years). Regarding to the correlation between the two biomarkers, Spearman test showed that p-mTOR was positively associated with the expression of p-AKT (r=0.759, P<0.001). Of all BL patients, the positive rates of p-AKT and p-mTOR were 62.1% (36/58) and 60.3%(35/58) respectively, both significantly higher than control group (P=0.011, P=0.035 respectively). The presence of p-AKT was significantly associated with higher lactate dehydrogenase (LDH≥573 IU/L) level in patients of the disease (P=0.006), while p-mTOR was increased both in the higher LDH and lower ratio of albumin to globulin (A/G) group (P=0.006, P=0.034 respectively). Expression of p-AKT and p-mTOR did not show any statistical correlation with sex, age, St.jude stage, tumor size, B-symptom present or not, number of extra-nodal sites or international prognostic index (IPI) (P>0.05). Fifty-two patients had a median follow-up of 40 months (range: 5-87 months). Univariate analysis showed that p-AKT expression was significant in predicting both inferior OS (5-year estimate, 72.7% vs. 94.7%, χ(2)=4.123, P=0.042) and PFS (5-year estimate, 66.7% vs. 94.7%, χ(2)=5.822, P=0.016). The 5-year OS rate was 71.0% (22/31) for the p-mTOR positive cohort of patients compared to 95.2% (17/21) for p-mTOR negative group (χ(2)=4.881, P=0.027); however, there was no statistical significance in 5-year PFS rate (P>0.05). Especially, the 5-year OS and PFS rate of p-AKT/p-mTOR double-positive group were significantly lower than negative control group (including absence of single p-AKT or p-mTOR expression, and absence of both) (OS: 69.0% vs. 95.7%, χ(2)=6.285, P=0.012; PFS: 65.5% vs. 91.3%, χ(2)=5.405, P=0.020). The results of multivariate COX proportional risk regression analysis indicated that p-AKT/p-mTOR double-positive, higher LDH and IPI score 3-5 were independent prognostic factors for both OS and PFS, and the bulky tumor (>10 cm) for PFS of pediatric BL. Conclusion: The expression of p-AKT and p-mTOR may be a potential reference for diagnosis and the independent prognostic indicators of pediatric BL.
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Affiliation(s)
- J Man
- Department of Hematology and Oncology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - L Chen
- Department of Pathology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - X W Zhai
- Department of Hematology and Oncology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - Y Y Ma
- Department of Pathology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - H S Wang
- Department of Hematology and Oncology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - X W Qian
- Department of Hematology and Oncology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - J Y Feng
- Department of Pathology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - J Zhao
- Department of Pathology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - P Cao
- Department of Hematology and Oncology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - F J Lu
- Department of Hematology and Oncology, Children's Hospital of Fudan University, Shanghai 201102, China
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20
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Feng Z, Zhao RJ, Lu ZH, Jia LP, Ma RN, Zhang W, Shang L, Xue QW, Wang HS. Construction of aptasensors for sensitive detection of 8-OH-dG based on a diffusion mediated electrochemiluminescence quenching effect. Chem Commun (Camb) 2020; 56:11074-11077. [DOI: 10.1039/d0cc04492j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A DNA immobilization-free electrochemiluminescence aptasensor was developed for the detection of 8-hydroxy-2′-deoxygunosine based on the diffusion mediated electrochemiluminescence quenching effect and dual signal amplification strategies.
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Affiliation(s)
- Zhe Feng
- Department of Chemistry
- Liaocheng University
- Liaocheng 252000
- China
| | - Rui-Juan Zhao
- Department of Chemistry
- Liaocheng University
- Liaocheng 252000
- China
| | - Ze-Hua Lu
- Liaocheng Veterans Hospital
- Liaocheng 252000
- China
| | - Li-ping Jia
- Department of Chemistry
- Liaocheng University
- Liaocheng 252000
- China
| | - Rong-Na Ma
- Department of Chemistry
- Liaocheng University
- Liaocheng 252000
- China
| | - Wei Zhang
- Department of Chemistry
- Liaocheng University
- Liaocheng 252000
- China
| | - Lei Shang
- Department of Chemistry
- Liaocheng University
- Liaocheng 252000
- China
| | - Qing-Wang Xue
- Department of Chemistry
- Liaocheng University
- Liaocheng 252000
- China
| | - Huai-Sheng Wang
- Department of Chemistry
- Liaocheng University
- Liaocheng 252000
- China
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21
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Chen PJ, Wang L, Chen N, Lu XY, Wang HS, He X, Wang Z, Wu AW. [Short-term outcomes and prognosis of palliative surgery for malignant bowel obstruction caused by peritoneal metastasis of colorectal cancer]. Zhonghua Wei Chang Wai Ke Za Zhi 2019; 22:1051-1057. [PMID: 31770836 DOI: 10.3760/cma.j.issn.1671-0274.2019.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the short-term efficacy and prognosis of palliative surgical treatment for malignant bowel obstruction (MBO) caused by peritoneal metastasis of colorectal cancer (mCRC). Methods: A retrospective cohort study was conducted. The inclusion criteria for patients were as follows: (1) primary colorectal cancer; (2) massive peritoneal metastasis; (3)obstructive site located below Treitz ligament by imaging; (4) obstruction refractory to conservative treatment; (5) estimated rese survival time more than 2 months; (6) patients and their families had strong willingness for operation; (7) surgical treatment included stoma/bypass and debulking surgery. In accordance with the above criteria, clinicopathological data of 46 patients undergoing palliative surgery at Peking University Gastrointestinal Cancer Center, Unit III from January 2016 to October 2018 were retrospectively collected. Postoperative symptomatic relief rate, morbidity of complication within 30 days, complication classification (Clavien-Dindo classification), mortality and survival after operation were analyzed. Kaplan-Meier method was used to evaluate survival and Cox regression analysis was used to identify prognostic factors. Results: Among 46 patients, 30 were male and 16 were female with median age of 63 (19-87) years; 23 patients received stoma/bypass surgery (stoma/bypass group), and 23 cases received tumor debulking surgery (debulking group). The overall symptom relief rate was 76.1% (35/46), while symptom relief rate in the debulking group was 91.3% (21/23), which was significantly higher than 60.9% (14/23) in the stoma/bypass group (χ(2)=4.301, P=0.038). Postoperative complications occurred in 25 patients. The complication rate was 52.2% (12/23) in the debulking group and 56.5% (13/23) in the stoma/bypass group, without statistically significant difference (χ(2)=0.088, P=0.767). Morbidity of complication beyond grade III was 8.7% (2/23) and 13.0% (3/23) in the debulking group and stoma/bypass group respectively, without statistically significant difference (χ(2)=0.224, P=0.636). Four patients died within 30 days after operation, 2 (8.7%) in each group. Twenty-four patients underwent 1-8 cycles of chemotherapy ± targeting therapy (regimens: CapeOX ± Bevacizumab, FOLFOX/FOLFIRI ± Bevacizumab/Cetuximab), including 10 cases in the stoma/bypass group and 14 cases in the debulking group. Two patients of debulking group received postoperative radiotherapy and chemotherapy (50.6 Gy/22 f, with concurrent oral capecitabine). Till the last follow up of April 2019, 34 patients died (34/46, 73.9%) with a median overall survival time of 6.4 months, and the 6-month and 1-year survival rate was 54.5% and 29.2% respectively. The median survival time in the debulking group was significantly longer than that in the stoma/bypass group (11.5 months vs. 5.2 months, χ(2)=5.117, P=0.024). The median survival time of the 35 patients with symptomatic relief after operation was significant longer than that of 11 patients without relief (7.1 months vs 5.1 months, χ(2)=3.844, P=0.050). Multivariate analysis showed stoma/bypass surgery (HR=2.917, 95%CI:1.357-6.269, P=0.006) and greater omental metastasis (HR=4.060, 95%CI:1.419-11.617, P=0.009) were independent risk factors associated with prognosis of patients with MBO caused by peritoneal mCRC. Conclusions: For patients of MBO caused by peritoneal mCRC, tumor debulking surgery may achieve higher symptom relief rate and prolong survival. Greater omental metastasis indicates poor prognosis.
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Affiliation(s)
- P J Chen
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Cancer Center, Unit III, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - L Wang
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Cancer Center, Unit III, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - N Chen
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Cancer Center, Unit III, Peking University Cancer Hospital & Institute, Beijing 100142, China
| | - X Y Lu
- Department of Gastrointestinal Cancer Surgery, Unit III, Beijing Nanjiao Cancer Hospital, Beijing 100076, China
| | - H S Wang
- Department of Gastrointestinal Cancer Surgery, Unit III, Beijing Nanjiao Cancer Hospital, Beijing 100076, China
| | - X He
- Department of Gastrointestinal Cancer Surgery, Unit III, Beijing Nanjiao Cancer Hospital, Beijing 100076, China
| | - Z Wang
- Department of Gastrointestinal Cancer Surgery, Unit III, Beijing Nanjiao Cancer Hospital, Beijing 100076, China
| | - A W Wu
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Cancer Center, Unit III, Peking University Cancer Hospital & Institute, Beijing 100142, China
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22
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Chen XJ, Wang HS. [Pay more attention to the growing role of radial artery graft in coronary artery bypass grafting and promote its wide use in Chinese population]. Zhonghua Yi Xue Za Zhi 2019; 99:3281-3283. [PMID: 31715660 DOI: 10.3760/cma.j.issn.0376-2491.2019.42.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- X J Chen
- Department of Cardiac Surgery, Wuhan First Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - H S Wang
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, Shenyang 110016, China
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23
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Su X, Zhang Y, Feng WW, Cai LX, Jin X, Wang HS, An MJ, Xue YP. [Research on knowledge status and relevant factors of breastfeeding among medical staff in China based on network platform]. Zhonghua Yu Fang Yi Xue Za Zhi 2019; 53:1170-1173. [PMID: 31683408 DOI: 10.3760/cma.j.issn.0253-9624.2019.11.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
From August 1(st) to 7(th), 2017, the breastfeeding knowledge of medical staff were collected from 52 medical health institutions in 29 provinces through a network system. A total of 35 243 questionnaires were included in the study to analyze the current status of breastfeeding knowledge and related factors. The qualified rate of breastfeeding knowledge questionnaires for medical staff in this study was 75.3% (26 546/35 243). Compared with those in the eastern region and those who were mothers, the qualified rate of breastfeeding knowledge of medical staff in the central region or the western region and medical staff who were fathers or expectant parents was lower, with OR (95%CI) values about 0.71 (0.67-0.75), 0.66 (0.61-0.72), 0.63 (0.55-0.72) and 0.87 (0.80-0.95), respectively. Compared with those attaining high school education or below and those with children aged<1 month, the qualified rate of breastfeeding knowledge was higher in medical staff with bachelor's degree, graduate degree or above, and with children aged 1-5, 6-23 and ≥24 months, with OR (95%CI) values about 1.92 (1.80-2.05), 2.16 (1.94-2.42), 2.28 (1.93-2.70), 2.41 (2.06-2.83) and 1.99 (1.72-2.32), respectively.
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Affiliation(s)
- X Su
- Child Health Care Department of Changsha Hospital for Maternal and Child Health Care, Changsha 410007, China
| | - Y Zhang
- National Center for Women and Children's Health of the Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - W W Feng
- National Center for Women and Children's Health of the Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - L X Cai
- Child Health Care Department of Changsha Hospital for Maternal and Child Health Care, Changsha 410007, China
| | - X Jin
- National Center for Women and Children's Health of the Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - H S Wang
- National Center for Women and Children's Health of the Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - M J An
- School of Public Health, Peking University, Beijing 100191, China
| | - Y P Xue
- National Center for Women and Children's Health of the Chinese Center for Disease Control and Prevention, Beijing 100081, China
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24
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Zhao RN, Jia LP, Feng Z, Ma RN, Zhang W, Shang L, Xue QW, Wang HS. Ultrasensitive electrochemiluminescence aptasensor for 8-hydroxy-2'-deoxyguanosine detection based on target-induced multi-DNA release and nicking enzyme amplification strategy. Biosens Bioelectron 2019; 144:111669. [PMID: 31494507 DOI: 10.1016/j.bios.2019.111669] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/25/2019] [Accepted: 08/30/2019] [Indexed: 01/19/2023]
Abstract
8-Hydroxy-2'-deoxyguanosine (8-OH-dG) is a principal stable marker of DNA oxidative damage. Sensitive and specific detection of 8-OH-dG is of great importance for early disease diagnosis. In this paper, we developed an electrochemiluminescence aptasensor for 8-OH-dG detection based on target induced multi-DNA release and nicking enzyme signaling amplification strategy. First, three kinds of short DNAs were aligned on the aptamers immobilized on the magnetic beads. In the presence of 8-OH-dG, the aptamer recognized and specifically bound with 8-OH-dG, leading to the release of three kinds of short DNAs and three-fold signal amplification. Then the released short DNAs hybridized with ferrocence (Fc) labeled hairpin DNA (Fc-HP) immobilized on the gold electrode to form a double strand DNA. Subsequently, nicking endonuclease (Nt.AlwI) recognized the asymmetric sequence in the dsDNA and cleaved the substrate strand (Fc-HP) into two parts, one fragments containing Fc would leave the surface of electrode. Based on the quenching effect of Fc on the electrochemiluminescence (ECL) of Ru(bpy)32+/TPA, a signal-on ECL aptasensor was developed. At the same time, three kinds of short DNAs were released again and reused to initiate the repeated cycles of hybridization-cleavage. Under double signal amplification, this aptasensor achieved a low detection of 25 fM and a wide linear range from 100 fM to 10 nM for 8-OH-dG. Besides, the amount of 8-OH-dG in urine samples derived from different people were determined with satisfactory results.
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Affiliation(s)
- Ruo-Nan Zhao
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252000, China
| | - Li-Ping Jia
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252000, China.
| | - Zhe Feng
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252000, China
| | - Rong-Na Ma
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252000, China
| | - Wei Zhang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252000, China
| | - Lei Shang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252000, China
| | - Qing-Wang Xue
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252000, China
| | - Huai-Sheng Wang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong, 252000, China.
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Wang X, Shang L, Zhang W, Jia LP, Ma RN, Jia WL, Wang HS. An ultrasensitive luminol cathodic electrochemiluminescence probe with highly porous Pt on ionic liquid functionalized graphene film as platform for carcinoembryonic antigen sensing. Biosens Bioelectron 2019; 141:111436. [DOI: 10.1016/j.bios.2019.111436] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/03/2019] [Accepted: 06/11/2019] [Indexed: 10/26/2022]
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Liu X, Yang L, Wang XC, Wu BB, Wang HJ, Wang HS, Qian XW, Cheng GQ, Cao Y, Sun JQ, Zhou WH. [Genetic screening in early diagnosis of neonatal WAS gene-related disorders]. Zhonghua Er Ke Za Zhi 2019; 57:429-433. [PMID: 31216799 DOI: 10.3760/cma.j.issn.0578-1310.2019.06.006] [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] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Objective: To explore the clinical value of genetic screening for early identification of WAS gene-related disorders in newborns. Methods: This was a retrospective study. Neonatal Genome Project from Children's Hospital of Fudan University collected 5 800 high-risk newborns in the neonatal intensive care unit to study the patients' genetic causes using high-throughput sequencing from January 2016 to December 2017. Eleven newborns (all were boys) with pathogenic or likely pathogenic variants in WAS gene were enrolled. Data of clinical characteristics,gene variants and genotype-phenotype correlation were collected and summarized. Results: Eleven patients included 5 cases with Wiskott-Aldrich syndrome (WAS) and 6 cases with X-linked thrombocytopenia (XLT).Two patients with WAS developed clinical manifestations in the early neonatal period,and 3 patients in 5-8 weeks after birth. Three neonates with XLT were hospitalized for other diseases in the first place.Their platelet count was found to be reduced after admission to hospital, and diagnosis was made after genetic testing. Eleven pathogenic or likely pathogenic variants in WAS gene were identified. Among them, 7 were first reported in this study, including 2 frame shift variants c.138delG and c.388_390del, 4 splicing variants c.1453+1G>A,c.734+1G>C,c.135G>A and c.1453+3G>C, and 1 missense variant c.1118C>T. The other 4 reported variants were c.777+1G>A,c.107_108delTT, c.436delC and c.1509_*3delAGTG. Conclusions: The clinical features of WAS gene-related disorders in neonatal period lack specificity. Genetic screening in newborns plays an important role in the early diagnosis of diseases and provides providing evidence for the early intervention.
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Affiliation(s)
- X Liu
- Department of Neonatology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - L Yang
- Translational Medicine Center of Children's Hospital of Fudan University, Shanghai 201102, China
| | - X C Wang
- Department of Clinical Immunology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - B B Wu
- Translational Medicine Center of Children's Hospital of Fudan University, Shanghai 201102, China
| | - H J Wang
- Translational Medicine Center of Children's Hospital of Fudan University, Shanghai 201102, China
| | - H S Wang
- Department of Hematology and Oncology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - X W Qian
- Department of Hematology and Oncology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - G Q Cheng
- Department of Neonatology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - Y Cao
- Department of Neonatology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - J Q Sun
- Department of Clinical Immunology, Children's Hospital of Fudan University, Shanghai 201102, China
| | - W H Zhou
- Department of Neonatology, Children's Hospital of Fudan University, Shanghai 201102, China
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Zhao RN, Feng Z, Zhao YN, Jia LP, Ma RN, Zhang W, Shang L, Xue QW, Wang HS. A sensitive electrochemical aptasensor for Mucin 1 detection based on catalytic hairpin assembly coupled with PtPdNPs peroxidase-like activity. Talanta 2019; 200:503-510. [PMID: 31036215 DOI: 10.1016/j.talanta.2019.03.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/15/2019] [Accepted: 03/02/2019] [Indexed: 02/06/2023]
Abstract
In this work, an ultrasensitive aptasensor for the detection of Mucin 1 (MUC1) was presented based on the target-induced catalytic hairpin assembly combined with excellent mimic peroxidase performance of PtPd bimetallic nanoparticles (PtPdNPs). Traditionally, the cyclic reuse of target protein was achieved by protein conversion with enzyme cleavage or polymerization, which is costly and complex. However, in this work, it can be performed by simple strand displacement. In addition, PtPdNPs, a mimic peroxidase, was used a probe to catalyze the oxidation of tetramethylbenzidine (TMB) by H2O2, leading to the electrochemical signal amplification. With this ingenious design, the prepared aptasensor for MUC1 detection showed a favorable linear response from 100 fg mL-1 to 1 ng mL-1 and a relatively low detection limit of 16 fg mL-1. The proposed biosensor possessed acceptable stability, selectivity and reproducibility for MUC1 assay. Additionally, the fabricated aptasensor has been successfully applied to detect MUC1 in serum samples with satisfactory results. This new strategy supplied one efficient approach to improve signal amplification, which also open an avenue for sensitivity enhancement in targets detection.
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Affiliation(s)
- Ruo-Nan Zhao
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Zhe Feng
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Ya-Nan Zhao
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Li-Ping Jia
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China.
| | - Rong-Na Ma
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Wei Zhang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Lei Shang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Qing-Wang Xue
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Huai-Sheng Wang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China.
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Li JJ, Shang L, Jia LP, Ma RN, Zhang W, Jia WL, Wang HS, Xu KH. An ultrasensitive electrochemiluminescence sensor for the detection of HULC based on Au@Ag/GQDs as a signal indicator. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.07.044] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Jia LP, Zhao RN, Wang LJ, Ma RN, Zhang W, Shang L, Wang HS. Aptamer based electrochemical assay for protein kinase activity by coupling hybridization chain reaction. Biosens Bioelectron 2018; 117:690-695. [PMID: 30014942 DOI: 10.1016/j.bios.2018.06.067] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 06/28/2018] [Accepted: 06/29/2018] [Indexed: 01/08/2023]
Abstract
The present work reported a simple, lable-free and sensitive electrochemical method for the detection of protein kinase A (PKA) activity. This method was based on the specific recognition of aptamer and the aptamer-induced hybridization chain reaction (HCR) amplification strategy. The aptasensor was constructed by immobilizing capture probe on a gold electrode via an Au-S bond. When adenosine triphosphate (ATP) aptamer was introduced, its one terminus hybridized with capture probe and the other hybridized with the complementary region of an auxiliary probe, which other region triggered HCR between two hairpin DNA (H1 and H2) to form a long DNA concatamer. At last a large number of electroactive methyle blue (MB) molecules were assembled on the dsDNA concatamer, which generated a significantly amplified electrochemical signal. In the presence of ATP, the HCR would not be performed because the aptamer specifically bond to ATP and the electrochemical response would decrease. However, when ATP and PKA coexisted, the electrochemical response would recovery because that ATP had been translated into ADP by PKA. So the activity of PKA could be effectively monitored according to the change of electrochemical signal. Based on the HCR amplification strategy, the aptasensor showed a wide linear range (4 - 4 ×105 U L-1) and a low detection limit (1.5 U L-1) for the detection of PKA. Furthermore, the method was applied to study the inhibitory effect of H-89 on PKA activity. The developed aptasensor was also used to the analysis of drug-induced PKA activity in cell lysates, indicating the potential application of the developed method in the fields of clinical diagnostics and discovery of new targeted drugs.
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Affiliation(s)
- Li-Ping Jia
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China.
| | - Ruo-Nan Zhao
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Li-Juan Wang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Rong-Na Ma
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Wei Zhang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Lei Shang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China
| | - Huai-Sheng Wang
- Department of Chemistry, Liaocheng University, Liaocheng, Shandong 252000, China.
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Wang S, Wang HS, Jiang JX, Wang Y, Xu T. [Role of maternal drug use and environmental exposure during pregnancy and delivery pattern in allergic infants and toddlers]. Zhonghua Liu Xing Bing Xue Za Zhi 2017; 38:893-896. [PMID: 28738461 DOI: 10.3760/cma.j.issn.0254-6450.2017.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand correlation between maternal drug use and environmental exposure during pregnancy and delivery pattern and allergy in infants and toddlers, and provide theoretical bases for the early prevention and intervention of infantile allergies. Methods: Case control study based on cross-sectional investigation was conducted. Thirty-three cities were selected in China. Randomly cluster sampling method was used to select a community in each city as the study sample, the women with infants aged 0-24 months were interviewed in the form of face-to-face questionnaire survey. Infants and toddlers were divided into two groups: case group, including 2 113 children who had allergic symptoms and were diagnosed with allergic disease, and control group, including 6 303 children who never had symptoms of allergic disease. Results: Children whose parents had allergic disease histories were more likely to have allergic disease (OR=3.950) compared with the children whose mother or father had allergic disease histories (OR=2.277). Maternal use of antibiotics (OR=1.396), disinfector exposure (OR=1.386), smoking exposure (OR=1.301) during pregnancy and cesarean delivery (OR=1.255) were risk factors for allergic disease in infants and toddlers, the differences were significant (P<0.05). Conclusion: It is essential to conduct primary prevention of infant allergy during pregnancy, and it is necessary to avoid unnecessary cesarean delivery and irrational antibiotic use, disinfector and smoking exposures during pregnancy.
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Affiliation(s)
- S Wang
- National Center of Women and Children's Health, Chinese Center for Disease Control and Prevention, Beijing 100081, China
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Feng WW, Huang XN, Wang HS, Gong LM, Xu YQ, Pan XP, Jin X. [Percentile curves on growth among breastfed 1-4 year olds in 8 urban areas]. Zhonghua Liu Xing Bing Xue Za Zhi 2017; 38:503-507. [PMID: 28468071 DOI: 10.3760/cma.j.issn.0254-6450.2017.04.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To construct the growth percentile curves of weight-, length/height-, head circumference and BMI for 1 to 4 year-olds who had been breastfed in urban areas. Methods: Data was from the longitudinal study on 1 025 breastfed children aged 1 to 4 years, in 8 urban areas during 2008-2012. MLwiN2.25 was selected to construct the multi-level models of weight-for-age,length for-age, head circumference-for-age and BMI-for-age. The models included many growth relevant factors including gender, age, family and social demographic characteristics, perinatal factors, parent biological characteristics, dietary patterns and diseases of childen. Based on these models, predicted values (P(3), P(15), P(50), P(85), P(97)) were estimated to fit the percentiles reference curves. Results: The percentiles reference curves of weight-, length/height, head circumferenceand BMI-for-age for the 1-4 year-olds who had been breastfed in the urban areas were developed. Differences of all the indicators between boys and girls were statistically significant (P<0.001). Weight, length/height, head circumference and BMI were higher in boys than those in girls, with an average differences as 0.56-0.76 kg, 0.89-1.12 cm, 0.64-0.91 cm and 0.31-0.52 kg/m(2). Conclusion: The percentiles reference curves on growth, constructed by the longitudinal observational data and scientific method, were important in reflecting the development of breastfed children in urban areas.
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Affiliation(s)
- W W Feng
- Department of Children Health, National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - X N Huang
- Health, Nutrition and Water, Environment and Sanitation Section, United Nations International Children's Emergency Fund, Beijing 100600
| | - H S Wang
- Department of Children Health, National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - L M Gong
- Department of Children Health, National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - Y Q Xu
- Department of Children Health, National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - X P Pan
- Department of Information Management, National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, Beijing 100081, China
| | - X Jin
- National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, Beijing 100081, China
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Li NL, Jia LP, Ma RN, Jia WL, Lu YY, Shi SS, Wang HS. A novel sandwiched electrochemiluminescence immunosensor for the detection of carcinoembryonic antigen based on carbon quantum dots and signal amplification. Biosens Bioelectron 2017; 89:453-460. [DOI: 10.1016/j.bios.2016.04.020] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 04/03/2016] [Accepted: 04/06/2016] [Indexed: 01/28/2023]
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Wang QF, Huang Y, He GC, Wang HS, Chen ZH, Cai XH, Xie YH, Liu Q. Osteoblast differentiation of rabbit adipose-derived stem cells by polyethylenimine-mediated BMP-2 gene transfection in vitro. Genet Mol Res 2017; 16:gmr-16-01-gmr.16015358. [PMID: 28218774 DOI: 10.4238/gmr16015358] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The aim of this study was to examine the efficiency of polyethylenimine-mediated transfection of the human bone morphogenetic protein-2 (BMP-2) gene into rabbit adipose-derived stem cells (ADSCs), and its effect on osteoblast differentiation. Adipose tissue was isolated from the necks of adult Japanese white rabbits and cultured in vitro to obtain ADSCs. Gene delivery of BMP-2 was mediated by polyethylenimine and stable transformants were selected by G-418. The expression of BMP-2 mRNA was confirmed by reverse transcription-polymerase chain reaction, and of the BMP-2 protein by ELISA. Osteocalcin and collagen type I were detected by western blot and by an alkaline phosphatase kit. Alizarin red S stain was also utilized to examine osteogenesis. The non-transfected group was considered as a control. In this study, we successfully derived ADSCs from rabbit adipose tissue. Through passages 3-6, the expression of CD29 and CD44 gradually increased, whereas the expression of CD34 and CD45 gradually decreased. Both mRNA and protein expression of BMP-2 were confirmed following polyethylenimine-mediated BMP-2 gene delivery. In addition, the expression of alkaline phosphatase, osteocalcin, and collagen type I was found to be upregulated and alizarin red S staining was positive in transfected ADSCs, indicating BMP-2-induced osteogenesis. Therefore, this study determined that polyethylenimine was able to mediate BMP-2 gene delivery and induce osteogenic differentiation of ADSCs.
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Affiliation(s)
- Q F Wang
- Department of Orthopedics, People Hospital of Dianbai District in Maoming City, Guangdong Province, China
| | - Y Huang
- Department of Orthopedics, Wuhan General Hospital of Guangzhou Military Command, Wuhan, Hubei Province, China
| | - G C He
- Southern Medical University, Guangzhou, Guangdong Province, China
| | - H S Wang
- Department of Orthopedics, Wuhan General Hospital of Guangzhou Military Command, Wuhan, Hubei Province, China
| | - Z H Chen
- Department of Orthopedics, Wuhan General Hospital of Guangzhou Military Command, Wuhan, Hubei Province, China
| | - X H Cai
- Department of Orthopedics, Wuhan General Hospital of Guangzhou Military Command, Wuhan, Hubei Province, China
| | - Y H Xie
- Southern Medical University, Guangzhou, Guangdong Province, China
| | - Q Liu
- Medical Laboratory Department, Wuhan General Hospital of Guangzhou Military Command, Wuhan, Hubei Province, China
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Li H, Jia LP, Ma RN, Jia WL, Wang HS. Electrodeposition of PtNPs on the LBL assembled multilayer films of (PDDA-GS/PEDOT:PSS)n and their electrocatalytic activity toward methanol oxidation. RSC Adv 2017. [DOI: 10.1039/c6ra28784k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
In the present work, PDDA-functionalized graphene sheets (PDDA-GS) were prepared by reduction with hydrazine hydrate in situ in the presence of poly(diallyldimethylammonium chloride) (PDDA).
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Affiliation(s)
- Hui Li
- Department of Chemistry
- Liaocheng University
- Liaocheng
- China
| | - Li-Ping Jia
- Department of Chemistry
- Liaocheng University
- Liaocheng
- China
| | - Rong-Na Ma
- Department of Chemistry
- Liaocheng University
- Liaocheng
- China
| | - Wen-Li Jia
- Department of Chemistry
- Liaocheng University
- Liaocheng
- China
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Lu YY, Li NL, Jia LP, Ma RN, Jia WL, Tao XQ, Cui H, Wang HS. The synthesis of Ag@CQDs composite and its electrochemiluminescence application for the highly selective and sensitive detection of chloride. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.05.045] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Han JS, Wang HS, Wang ZW, Yin ZT, Han HG, Tang CY. [Safety and efficacy of Cox-maze Ⅲ procedure for patients with atrial fibrillation associated with rheumatic mitral valve disease]. Zhonghua Yi Xue Za Zhi 2016; 96:1011-5. [PMID: 27055792 DOI: 10.3760/cma.j.issn.0376-2491.2016.13.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To evaluate the safety and efficacy of cut-and-sew Cox-Maze (CM) Ⅲ procedure for patients with atrial fibrillation associated with rheumatic mitral valve disease. METHODS Patients received mitral valve replacement and CM procedure between January 2007 and July 2015, were 1∶1 matched and assigned to CM Ⅳ group (undergoing surgical ablation) and CM Ⅲ group (undergoing cut-and-sew CM Ⅲ). Safety indices, mortality rate, complications and recovery rate of sinus rhythm were compared between the two groups. RESULTS Mean extracorporeal circulation time was (154±22) min in the CM Ⅲ group and (136±21) min in the CM Ⅳ group (P<0.001), and aortic clamp time was (85±9) min in the CM Ⅲ group and (74±12) min in the CM Ⅳ group (P<0.001). One patient (1.18%) in the CM Ⅲ group died of multi-organ failure 4 day after left ventricular rupture being sucessfully repaired, and 2 patients died (2.35%) in the CM Ⅳ group ( 1 due to left ventricular rupture and 1 due to low cardiac output syndrome). There was no significant difference in mortality between the two groups. Temporary pacemaker were applied for 76 cases (89.41%) in the CM Ⅲ and 70 cases (82.35%) in the CM Ⅳ group, without a statistical difference (P=0.186). There were also no statistical difference between the two groups in intraoperative urinary volume, postoperative drainage of fluid volume, hemoglobinuria, ventilator time, ICU time, hospital stay and the incidence of the complications (all P>0.05). Sinus rhythm recovery rate was 62.35 % in the CM Ⅲ group and 57.65 % in the CM Ⅳ group, without a statistical difference (P=0.531) at the operation day, but at discharge a statistical difference was found (97.62% in the CM Ⅲ group vs 81.93% in the CM Ⅳ group, P<0.001). All patients were followed up for three months, and no deaths occurred. Sinus rhythm recovery rate was 96.43 % in the CM Ⅲ group and 86.75% in the CM Ⅳ group, with a statistical difference (P=0.024). CONCLUSION The cut-and-sew Cox-Maze Ⅲ procedure is a safe and effective method for patients with atrial fibrillation associated with rheumatic mitral valve disease.
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Affiliation(s)
- J S Han
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
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Zhang DP, Wang LF, Wang HS, Xu L, Li WM, Ni ZH, Xia K, Liu Y, Yang XC. [The effect and safety of tirofiban on acute ST segment elevation myocardial infarction patients receiving no early reperfusion therapy]. Zhonghua Nei Ke Za Zhi 2016; 55:273-7. [PMID: 27030614 DOI: 10.3760/cma.j.issn.0578-1426.2016.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To study the efficacy and safety of tirofiban on acute ST segment elevation myocardial infarction (STEMI) in patients who do not receive early reperfusion therapy. METHODS A total of 153 STEMI patients without early reperfusion therapy were randomly distributed into tirofiban group (therapeutic group, n=78) and non-tirofiban group (control group, n=75). Coronary angiography was performed on the 5(th) and 10(th) day after treatment, and percutaneous coronary intervention (PCI) was conducted when necessary. The differences of initial patency of the infarct related artery (IRA), bleeding complication and clinic events within 30 days between these two groups were compared. RESULTS Tirofiban did not increase the percentage of patients with initial patency of IRA (60.3% vs 64.0%, P=0.63). The percentage of patients with thrombolysis in myocardial infarction (TIMI) 3 after PCI was 100.0% in tirofiban group and 97.1% in the control group (P=0.09). However, application of tirofiban significantly decreased poor myocardial perfusion rate after PCI (1.4% vs 8.8%, P=0.04). No significant differences were observed in major adverse cardiovascular events (MACE) (3.8% vs 2.7%, P=0.68) between therapeutic and control group. The same is true for mild (5/78 vs 4/75 cases, P=0.78) and severe hemorrhage (2/78 vs 1/75 cases, P=0.58), and severe thrombocytopenia (2/78 vs 0/75 cases, P=0.10) between these two groups within 30 days. CONCLUSIONS Tirofiban did not increase initial patency in STEMI patients without early reperfusion therapy. However, it can improve myocardial perfusion after PCI.
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Affiliation(s)
| | | | | | | | | | | | | | | | - X C Yang
- Heart Center, Beijing Chaoyang Hospital Affiliated to Capital Medical University, Beijing 100020, China
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Abstract
KCNE1, a membrane protein that spans the membrane once is responsible for modulating potassium channel functions and plays an important role in the etiology of arrhythmia. Emerging evidence indicates that a common polymorphism (112G>A; rs1805127 G>A) in the KCNE1 gene contributes to atrial fibrillation (AF) risk; however, these studies showed inconclusive results. In this meta-analysis, we derived a more precise estimation of the association between the KCNE1 112G>A polymorphism and AF risk. The following databases were searched: Web of Science (1945-2013), the Cochrane Library Database (Issue 12, 2013), PubMed (1966-2013), EMBASE (1980-2013), CINAHL (1982-2013), and the Chinese Biomedical Database (1982-2013). The crude odds ratios with their 95% confidence intervals were calculated. Nine case-control studies were included, with a total of 1792 AF patients and 1924 healthy controls. The meta-analysis results indicated that the KCNE1 112G variant is associated with an increased risk of AF. Further subgroup analysis based on ethnicity revealed significant associations between the KCNE1 112G variant and an increased risk of AF among both Asians and Caucasians. No publication bias was detected in this meta-analysis. In conclusion, our results indicate that the KCNE1 112G polymorphism may be a risk factor for AF. KCNE1 112G>A may be useful as a biomarker for predicting the development of AF.
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Affiliation(s)
- H G Han
- Department of Cardiovascular Surgery, The General Hospital of Shenyang Military Region, Shenyang, China
| | - H S Wang
- Department of Cardiovascular Surgery, The General Hospital of Shenyang Military Region, Shenyang, China
| | - Z Yin
- Department of Cardiovascular Surgery, The General Hospital of Shenyang Military Region, Shenyang, China
| | - H Jiang
- Department of Cardiovascular Surgery, The General Hospital of Shenyang Military Region, Shenyang, China
| | - M Fang
- Department of Cardiovascular Surgery, The General Hospital of Shenyang Military Region, Shenyang, China
| | - J Han
- Department of Cardiovascular Surgery, The General Hospital of Shenyang Military Region, Shenyang, China
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Leung HM, Leung AOW, Wang HS, Ma KK, Liang Y, Ho KC, Cheung KC, Tohidi F, Yung KKL. Assessment of heavy metals/metalloid (As, Pb, Cd, Ni, Zn, Cr, Cu, Mn) concentrations in edible fish species tissue in the Pearl River Delta (PRD), China. Mar Pollut Bull 2014; 78:235-245. [PMID: 24239097 DOI: 10.1016/j.marpolbul.2013.10.028] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 10/09/2013] [Accepted: 10/16/2013] [Indexed: 06/02/2023]
Abstract
The major aim of this study was to investigate heavy metal content of edible fish in the PRD. Eleven species of fish (consisting of 711 individuals) [catfish (Clarias fuscus), tilapia (Oreochromis mossambicus), grass carp (Ctenopharyngodon idellus), bighead carp (Aristichthys nobilis), mandarin fish (Siniperca kneri), snakehead (Channa asiatiea), black bass (Micropterus salmoides), mangrove snapper (Lutjanus griseus), star snapper (Lutjanu stellatus), snubnose pompano (Trachinotus blochii) and orange-spotted grouper (Epinephelus coioides)] were collected for the analyses of heavy metals. Overall concentrations (mg/kg, ww) in the fish muscles were: As (0.03-1.53), Pb (0.03-8.62), Cd (0.02-0.06), Ni (0.44-9.75), Zn (15.7-29.5), Cr (0.22-0.65), Cu (0.79-2.26), Mn (0.82-6.91). Significant level of Pb were found in tilapia at all locations. It is recommended that heavy metal concentrations in different fish species must be determined on a regular basis in the future so as to reduce human health risks from acute and chronic food intoxication.
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Affiliation(s)
- H M Leung
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region, PR China
| | - A O W Leung
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region, PR China
| | - H S Wang
- Department of Microbial and Biochemical Pharmacy, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - K K Ma
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region, PR China
| | - Y Liang
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region, PR China
| | - K C Ho
- School of Science and Technology, The Open University of Hong Kong, Hong Kong Special Administrative Region, PR China
| | - K C Cheung
- Department of Applied Sciences, Institute of Vocational Education (Chai Wan), Hong Kong Special Administrative Region, PR China
| | - F Tohidi
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region, PR China
| | - K K L Yung
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong Special Administrative Region, PR China.
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Li WJ, Zhou XL, Wang HS, Liu BL, Dai JJ. Heat transfer coefficient of cryotop during freezing. Cryo Letters 2013; 34:255-260. [PMID: 23812315] [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: 06/02/2023]
Abstract
Cryotop is an efficient vitrification method for cryopreservation of oocytes. It has been widely used owing to its simple operation and high freezing rate. Recently, the heat transfer performance of cryotop was studied by numerical simulation in several studies. However, the range of heat transfer coefficient in the simulation is uncertain. In this study, the heat transfer coefficient for cryotop during freezing process was analyzed. The cooling rates of 40 percent ethylene glycol (EG) droplet in cryotop during freezing were measured by ultra-fast measurement system and calculated by numerical simulation at different value of heat transfer coefficient. Compared with the results obtained by two methods, the range of the heat transfer coefficient necessary for the numerical simulation of cryotop was determined, which is between 9000 W/(m(2)·K) and 10000 W/(m (2)·K).
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Affiliation(s)
- W J Li
- Institute of Biomedical Technology, University of Shanghai for Science and Technology, Shanghai, China
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Abstract
Pseudo-allergic reactions may result from the activation of inflammatory or anaphylactic mechanisms independent of antigen-specific immune responses. Recent statistics show that pseudo-allergic reactions may represent as high as two thirds of all immediate hypersensitivity reactions, implying a great amount of morbidity and numerous health care costs. In this review, we concentrate on agents mediating pseudo-allergic reactions and evaluate accurately the available information on their modes of action. The agents discussed here are divided into three types: (i) Direct mast cell activators, which may activate mast cells in an IgE-independent manner, such as opioid drugs, basic secretagogues and calcium ionophore A23187; (ii) Complement activators, including liposomes, radiocontrast media and Cremophor EL, which may activate the complement system by different pathways: the classical pathway, the mannose-binding lectin pathway or the alternative pathway; (iii) Nonsteroidal anti-inflammatory drugs, which may inhibit the function of cyclooxygenase-1, resulting in the occurrence of adverse reactions. In addition, nonclinical detection methods of pseudo-allergic reactions are also reviewed in order to supply valuable information for clinical diagnosis.
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Affiliation(s)
- H Wang
- Center for New Drugs Evaluation, Shandong University, Ji'nan, Shandong, China
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Wang L, Yue Q, Li H, Xu S, Guo L, Zhang X, Wang H, Gao X, Wang W, Liu J, Liu P. Facet-dependent electrochemiluminescence spectrum of nanostructured ZnO. Sci China Chem 2012. [DOI: 10.1007/s11426-012-4703-x] [Citation(s) in RCA: 12] [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: 10/28/2022]
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43
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Chen JJ, Jin PS, Zhao S, Cen Y, Liu Y, Xu XW, Duan WQ, Wang HS. Effect of heat shock protein 47 on collagen synthesis of keloid in vivo. ANZ J Surg 2010; 81:425-30. [DOI: 10.1111/j.1445-2197.2010.05534.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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44
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Lou XT, Somesfalean G, Chen B, Zhang YG, Wang HS, Zhang ZG, Wu SH, Qin YK. Simultaneous detection of multiple-gas species by correlation spectroscopy using a multimode diode laser. Opt Lett 2010; 35:1749-1751. [PMID: 20517403 DOI: 10.1364/ol.35.001749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Simultaneous detection of multiple-gas species has for the first time (to our knowledge) been demonstrated by using a multimode diode-laser-based correlation spectroscopy (MDL-COSPEC) scheme. Concentration measurements of a mixture of CO(2) and CO gas were performed by probing overlapping line spectra around 1.57microm using an MDL. Species identification and corresponding quantitive analysis were implemented by correlating the recorded absorption signals of the sample gas mixtures with those of the reference gases of particular interest, attaining accuracies of 2% and 1%, respectively. MDL-COSPEC is a generic technique with potential application for simultaneous detection of multiple gases having resolvable narrow lines.
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Affiliation(s)
- X T Lou
- Department of Physics, Harbin Institute of Technology, Harbin 150001, China
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45
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Wang HS, Cheng F, Shi YQ, Li ZG, Qin HD, Liu ZP. Hypotensive response in rats and toxicological mechanisms induced by shuanghuanglian, an herbal extract mixture. Drug Discov Ther 2010; 4:13-18. [PMID: 22491147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Shuanghuanglian (SHL), an extract mixture isolated from three medicinal herbs, has been used in China as an injection in traditional Chinese medicine to treat viral or bacterial infection. This study examined the hypotensive response in rats induced by SHL and its possible mechanisms. Mean arterial pressure (MAP) and electrocardiograms (ECGs) were studied after intravenous injection of histamine and SHL. Diphenhydramine, an H1 receptor antagonist, the compound 48/80, a promoter of histamine release, and cromolyn, a histamine release inhibitor, were also used to investigate the potential mechanisms of that response. In addition, the histamine level in plasma was measured after administration of SHL and compound 48/80. Both SHL and histamine led to a MAP reduction immediately but did not affect ECGs when initially administered in a similar manner, though this reduction was partially attenuated by diphenhydramine. Pretreatment blocked the rats' reaction to compound 48/80 but not to SHL. The plasma histamine level in rats was also elevated by SHL. SHL can induce severe hypotension through histamine release upon initial administration. In combination with the direct effects of its histaminelike substances on target tissue, SHL likely has the potential to cause an anaphylactoid reaction.
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Affiliation(s)
- H S Wang
- Center for New Drugs Evaluation, Shandong University, Ji'nan, China
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Mei YL, Wang HS, Li YF, Pan ZY, Jia WL. Electochemiluminescence of CdTe/CdS Quantum Dots with Triproprylamine as Coreactant in Aqueous Solution at a Lower Potential and Its Application for Highly Sensitive and Selective Detection of Cu2+. ELECTROANAL 2010. [DOI: 10.1002/elan.200904685] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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47
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Wang Y, Li J, Liu Y, Ma R, Jia W, Cui H, Wang H. Fabrication of the DNA/poly(3-methylthiophene) composite film modified electrode and its application for the study on the voltammetric behavior and determination of 8-hydroxy-2′-deoxyguanosine. ACTA ACUST UNITED AC 2009. [DOI: 10.1007/s11426-009-0241-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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48
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Ma R, Wang B, Liu Y, Li J, Zhao Q, Wang G, Jia W, Wang H. Direct electrochemistry of glucose oxidase on the hydroxyapatite/Nafion composite film modified electrode and its application for glucose biosensing. ACTA ACUST UNITED AC 2009. [DOI: 10.1007/s11426-009-0248-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Huang M, Shin SJ, Hsu CC, Wang HS, Sun PY, Brenna JT. A prospective randomized trial to evaluate effectiveness of diabetes management through an integrated delivery system (DMIDS) on glycemic and diet control in primary care setting in Taiwan. FASEB J 2009. [DOI: 10.1096/fasebj.23.1_supplement.734.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Meng‐Chuan Huang
- Department of Public Health, Faculty of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
- Department of Nutrition and DieteticsKaohsiung Medical University HospitalKaohsiungTaiwan
| | - SJ Shin
- Division of Endocrinology and MetabolismDepartment of Internal MedicineKaohsiung Medical University HospitalKaohsiungTaiwan
| | - CC Hsu
- Center for Health Policy Research and DevelopmentNational Health Research InstitutesZhunanMiaoli CountyTaiwan
| | - HS Wang
- Department of Public HealthCollege of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
| | - PY Sun
- Department of Public Health, Faculty of MedicineKaohsiung Medical UniversityKaohsiungTaiwan
- Department of Nutrition and DieteticsKaohsiung Medical University HospitalKaohsiungTaiwan
| | - JT Brenna
- Division of Nutriitonal ScienceCornell UniversityIthacaNY
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50
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Wang B, Zhang JJ, Pan ZY, Tao XQ, Wang HS. A novel hydrogen peroxide sensor based on the direct electron transfer of horseradish peroxidase immobilized on silica–hydroxyapatite hybrid film. Biosens Bioelectron 2009; 24:1141-5. [DOI: 10.1016/j.bios.2008.06.053] [Citation(s) in RCA: 120] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2008] [Revised: 06/22/2008] [Accepted: 06/25/2008] [Indexed: 10/21/2022]
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