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Wu X, Li RF, Lin ZS, Xiao C, Liu B, Mai KL, Zhou HX, Zeng DY, Cheng S, Weng YC, Zhao J, Chen RF, Jiang HM, Chen LP, Deng LZ, Xie PF, Yang WM, Xia XS, Yang ZF. Coinfection with influenza virus and non-typeable Haemophilus influenzae aggregates inflammatory lung injury and alters gut microbiota in COPD mice. Front Microbiol 2023; 14:1137369. [PMID: 37065141 PMCID: PMC10098174 DOI: 10.3389/fmicb.2023.1137369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/15/2023] [Indexed: 04/01/2023] Open
Abstract
BackgroundAcute exacerbation of chronic obstructive pulmonary disease (AECOPD) is associated with high mortality rates. Viral and bacterial coinfection is the primary cause of AECOPD. How coinfection with these microbes influences host inflammatory response and the gut microbiota composition is not entirely understood.MethodsWe developed a mouse model of AECOPD by cigarette smoke exposure and sequential infection with influenza H1N1 virus and non-typeable Haemophilus influenzae (NTHi). Viral and bacterial titer was determined using MDCK cells and chocolate agar plates, respectively. The levels of cytokines, adhesion molecules, and inflammatory cells in the lungs were measured using Bio-Plex and flow cytometry assays. Gut microbiota was analyzed using 16S rRNA gene sequencing. Correlations between cytokines and gut microbiota were determined using Spearman’s rank correlation coefficient test.ResultsCoinfection with H1N1 and NTHi resulted in more severe lung injury, higher mortality, declined lung function in COPD mice. H1N1 enhanced NTHi growth in the lungs, but NTHi had no effect on H1N1. In addition, coinfection increased the levels of cytokines and adhesion molecules, as well as immune cells including total and M1 macrophages, neutrophils, monocytes, NK cells, and CD4 + T cells. In contrast, alveolar macrophages were depleted. Furthermore, coinfection caused a decline in the diversity of gut bacteria. Muribaculaceae, Lactobacillus, Akkermansia, Lachnospiraceae, and Rikenella were further found to be negatively correlated with cytokine levels, whereas Bacteroides was positively correlated.ConclusionCoinfection with H1N1 and NTHi causes a deterioration in COPD mice due to increased lung inflammation, which is correlated with dysbiosis of the gut microbiota.
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Affiliation(s)
- Xiao Wu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Run-Feng Li
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Guangzhou Laboratory, Guangzhou, China
| | - Zheng-Shi Lin
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Chuang Xiao
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, China
| | - Bin Liu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Kai-Lin Mai
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | | | - De-You Zeng
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, China
| | - Sha Cheng
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, China
| | - Yun-Ceng Weng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jin Zhao
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Rui-Feng Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hai-Ming Jiang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Li-Ping Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ling-Zhu Deng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Pei-Fang Xie
- The Affiliated Anning First Hospital and Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Wei-Min Yang
- School of Pharmaceutical Science and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, China
- Wei-Min Yang,
| | - Xue-Shan Xia
- The Affiliated Anning First Hospital and Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
- Xue-Shan Xia,
| | - Zi-Feng Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Guangzhou Laboratory, Guangzhou, China
- Guangzhou Key Laboratory for Clinical Rapid Diagnosis and Early Warning of Infectious Diseases, Guangzhou, China
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macau SAR, China
- *Correspondence: Zi-Feng Yang,
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Da ZZ, Chen LH, Jiang HM, Wang GP. [Rare thalassemia caused by novel nucleotide variants in the globin gene: four case reports and literature review]. Zhonghua Xue Ye Xue Za Zhi 2021; 42:313-317. [PMID: 33979976 PMCID: PMC8120116 DOI: 10.3760/cma.j.issn.0253-2727.2021.04.008] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
目的 分析4例少见地中海贫血(地贫)患者的DNA序列、临床表型,提高对地贫的认识。 方法 对2014年5月至2019年12月4例少见地贫患者的临床及DNA序列特征进行回顾性分析并复习相关文献。 结果 地贫基因常规检测显示,例1~3均未检测到常见的3种α株蛋白1/2(HBA1/A2)基因缺失及其3种点突变和16种β株蛋白(HBB)基因点突变,例4检测到αα--SEA缺失。HBA1/A2和HBB基因全序列Sanger测序示:例1~4分别存在HBB:c.347C>A、HBB:c.1A>G、HBB:c.393T>G及HBA2:c.301-1G>A(IVS-II-142 G>A)突变。同时,例2的祖父、父亲和姑姑均为HBB:c.1A>G杂合突变。 结论 本研究发现了新的珠蛋白基因突变,HBB:c.347C>A、HBB:c.1A>G和HBB:c.393T>G以及HBA2:c.301-1 G>A(IVS-II-142 G>A)突变在中国地贫患者中为首次报道,HBB:c.393T>G突变为全球首次报道,丰富了地贫基因突变数据库。
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Affiliation(s)
- Z Z Da
- Department of Hematology, Xiangya Hospital of Central South University, Changsha 410008, China
| | - L H Chen
- The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, China
| | - H M Jiang
- Department of Hematology, Xiangya Hospital of Central South University, Changsha 410008, China
| | - G P Wang
- Department of Hematology, Xiangya Hospital of Central South University, Changsha 410008, China
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Tang WF, Xu W, Huang WZ, Lin GN, Zeng YM, Lin JS, Wu M, Bao H, Peng JW, Jiang HM, Wang HQ, Wu YM, Ye HY, Liang Y. Pathologic complete response after neoadjuvant tislelizumab and chemotherapy for Pancoast tumor: A case report. Thorac Cancer 2021; 12:1256-1259. [PMID: 33656285 PMCID: PMC8046127 DOI: 10.1111/1759-7714.13910] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/09/2021] [Accepted: 02/09/2021] [Indexed: 12/12/2022] Open
Abstract
A 60‐year‐old man was hospitalized because of numbness and weakness in the right upper limb. Magnetic resonance imaging revealed a large mass in the right upper lobe invading the right eighth cervical and first thoracic nerve root. Biopsy pathology confirmed primary lung adenocarcinoma with a clinical stage of cT4N0M0 IIIA, negative for anaplastic lymphoma kinase fusion gene and epidermal growth factor receptor mutations but positive for programmed death ligand 1 (3%). Neoadjuvant tislelizumab and chemotherapy were offered to this patient with Pancoast tumor, and tumor shrinkage of 71% was achieved. After the operation, surgical pathology indicated pathologic complete response (pCR). Circulating tumor cells testing was negative after the first adjuvant treatment. In this case, we provide real‐world evidence of encouraging pCR with neoadjuvant tislelizumab and chemotherapy for a patient with Pancoast tumor.
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Affiliation(s)
- Wen-Fang Tang
- Department of Cardiothoracic Surgery, Zhongshan People's Hospital, Zhongshan, China
| | - Wei Xu
- Department of Cardiothoracic Surgery, Zhongshan People's Hospital, Zhongshan, China
| | - Wei-Zhao Huang
- Department of Cardiothoracic Surgery, Zhongshan People's Hospital, Zhongshan, China
| | - Gui-Nan Lin
- Department of Oncology, Zhongshan People's Hospital, Zhongshan, China
| | - Yu-Mei Zeng
- Department of Pathology, Zhongshan People's Hospital, Zhongshan, China
| | - Jie-Shan Lin
- Department of Nephrology, Blood Purifiction Center, Zhongshan People's Hospital, Zhongshan, China
| | - Min Wu
- Nanjing Geneseeq Technology Inc., Nanjing, China
| | - Hua Bao
- Nanjing Geneseeq Technology Inc., Nanjing, China
| | - Jie-Wen Peng
- Department of Oncology, Zhongshan People's Hospital, Zhongshan, China
| | - Hai-Ming Jiang
- Department of Cardiothoracic Surgery, Zhongshan People's Hospital, Zhongshan, China
| | - Heng-Qiang Wang
- Department of Cardiothoracic Surgery, Zhongshan People's Hospital, Zhongshan, China
| | - Ying-Meng Wu
- Department of Cardiothoracic Surgery, Zhongshan People's Hospital, Zhongshan, China
| | - Hong-Yu Ye
- Department of Cardiothoracic Surgery, Zhongshan People's Hospital, Zhongshan, China
| | - Yi Liang
- Department of Cardiothoracic Surgery, Zhongshan People's Hospital, Zhongshan, China
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Lan JY, Jiang HM, Li X. [Research advances in direct interspecies electron transfer within microbes]. Ying Yong Sheng Tai Xue Bao 2021; 32:358-368. [PMID: 33477245 DOI: 10.13287/j.1001-9332.202101.032] [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: 11/04/2022]
Abstract
Hydrogen and formic acid have been considered as the intermediate electron transporters among microbes for a long time. In recent years, however, it has been found that direct interspecies electron transfer (DIET) might be an alternative beyond hydrogen/formic acid to transfer electron among microbes. As a new way of electron transfer among microbes, the electron transfer efficiency of DIET is higher than that of traditional hydrogen/formate transfer. The discovery of DIET has changed the traditional understanding that the growth and metabolism of microbial syntrophism must rely on electron carriers such as hydrogen or formic acid, and also has opened a new perspective for the study of microbial interaction. Although great progress has been made in the study of DIET, in-depth studies are still lacking on the microbes that can form co-culture via DIET, the mechanism of DIET, and the factors affecting DIET. In this review, we summarized the microbes that can form DIET, the mechanism underlying the extracellular electron transfer of microbe acted as electron donor in DIET, as well as the mechanism underlying the extracellular electron transfer of microbe acted as electron acceptor in DIET. The effects of conductive materials on DIET were elaborated, and several research directions for DIET were proposed, with the aim to mitigate performance degradation and facilitate research and development in this area.
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Affiliation(s)
- Jian-Ying Lan
- School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China.,Inner Mongolia Key Laboratory of Biomass-Energy Conversion, Baotou 014010, Inner Mongolia, China
| | - Hai-Ming Jiang
- School of Life Science and Technology, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China.,Inner Mongolia Key Laboratory of Biomass-Energy Conversion, Baotou 014010, Inner Mongolia, China
| | - Xia Li
- Research Institute of Mining, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China
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Li RF, Zhou XB, Zhou HX, Yang ZF, Jiang HM, Wu X, Li WJ, Qiu JJ, Mi JN, Chen M, Zhong NS, Zhu GY, Jiang ZH. Novel Fatty Acid in Cordyceps Suppresses Influenza A (H1N1) Virus-Induced Proinflammatory Response Through Regulating Innate Signaling Pathways. ACS Omega 2021; 6:1505-1515. [PMID: 33490810 PMCID: PMC7818636 DOI: 10.1021/acsomega.0c05264] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 12/29/2020] [Indexed: 05/05/2023]
Abstract
Influenza virus (IV) infections usually cause acute lung injury characterized by exaggerated proinflammatory responses. The paucity of therapeutic strategies that target host immune response to attenuate lung injury poses a substantial challenge in management of IV infections. In this study, we chemically synthesized a novel fatty acid (2Z,4E)-deca-2,4-dienoic acid (DDEA) identified from Chinese Cordyceps by using UHPLC-Q-TOF-MS techniques. The DDEA did not inhibit H1N1 virus replication but attenuated proinflammatory responses by reducing mRNA and protein levels of TNF-α, IFN-α, IFN-β, IL-6, CXCL-8/IL-8, CCL-2/MCP-1, CXCL-10/IP-10, CCL-3/MIP-1α, and CCL-4/MIP-1β in A549 cells and U937-derived macrophages. The anti-inflammatory effect occurred through downregulations of TLR-3-, RIG-I-, and type I IFN-activated innate immune signaling pathways. Altogether, our results indicate that DDEA may potentially be used as an anti-inflammatory therapy for the treatment of IV infections.
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Affiliation(s)
- Run-Feng Li
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR) 519020, China
| | - Xiao-Bo Zhou
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR) 519020, China
| | | | - Zi-Feng Yang
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR) 519020, China
- State
Key Laboratory of Respiratory Disease, National Clinical Research
Center for Respiratory Disease, Guangzhou Institute of Respiratory
Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510120, China
- KingMed
Virology Diagnostic & Translational Center, Guangzhou 510000, China
- Guangdong-Hong
Kong-Macao Joint Laboratory of Infectious Respiratory Disease, Guangzhou 510000, China
| | - Hai-Ming Jiang
- State
Key Laboratory of Respiratory Disease, National Clinical Research
Center for Respiratory Disease, Guangzhou Institute of Respiratory
Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510120, China
| | - Xiao Wu
- State
Key Laboratory of Respiratory Disease, National Clinical Research
Center for Respiratory Disease, Guangzhou Institute of Respiratory
Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510120, China
| | - Wen-Jia Li
- Dongguan
HEC Cordyceps R&D Co.,Ltd, Dongguan 523850, China
| | - Jian-Jian Qiu
- Dongguan
HEC Cordyceps R&D Co.,Ltd, Dongguan 523850, China
| | - Jia-Ning Mi
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR) 519020, China
| | - Ming Chen
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR) 519020, China
| | - Nan-Shan Zhong
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR) 519020, China
- State
Key Laboratory of Respiratory Disease, National Clinical Research
Center for Respiratory Disease, Guangzhou Institute of Respiratory
Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510120, China
| | - Guo-Yuan Zhu
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR) 519020, China
| | - Zhi-Hong Jiang
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR) 519020, China
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Zhou HX, Li RF, Wang YF, Shen LH, Cai LH, Weng YC, Zhang HR, Chen XX, Wu X, Chen RF, Jiang HM, Wang C, Yang M, Lu J, Luo XD, Jiang Z, Yang ZF. Total alkaloids from Alstonia scholaris inhibit influenza a virus replication and lung immunopathology by regulating the innate immune response. Phytomedicine 2020; 77:153272. [PMID: 32702592 DOI: 10.1016/j.phymed.2020.153272] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [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: 02/12/2020] [Revised: 06/01/2020] [Accepted: 06/28/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Alstonia scholaris is a folk medicine used to treat cough, asthma and chronic obstructive pulmonary disease in China. Total alkaloids (TA) from A. scholaris exhibit anti-inflammatory properties in acute respiratory disease, which suggests their possible anti-inflammatory effect on influenza virus infection. PURPOSE To assess the clinical use of TA by demonstrating their anti-influenza and anti-inflammatory effects and the possible mechanism underlying the effect of TA on influenza A virus (IAV) infection in vitro and to reveal the inhibitory effect of TA on lung immunopathology caused by IAV infection. METHODS Antiviral and anti-inflammatory activities were assessed in Madin-Darby canine kidney (MDCK) and A549 cells and U937-derived macrophages infected with influenza A/PR/8/34 (H1N1) virus. Proinflammatory cytokine levels were measured by real-time quantitative PCR and Bio-Plex assays. The activation of innate immune signaling induced by H1N1 virus in the absence or presence of TA was detected in A549 cells by Western blot. Furthermore, mice were infected intranasally with H1N1 virus and treated with TA (50, 25 and 12.5 mg/kg/d) or oseltamivir (60 mg/kg/d) for 5 days in vivo. The survival rates and body weight were recorded, and the viral titer, proinflammatory cytokine levels, innate immune cell populations and histopathological changes in the lungs were analyzed. RESULTS TA significantly inhibited viral replication in A549 cells and U937-derived macrophages and markedly reduced cytokine and chemokine production at the mRNA and protein levels. Furthermore, TA blocked the activation of pattern recognition receptor (PRR)- and IFN-activated signal transduction in A549 cells. Critically, TA also increased the survival rate, reduced the viral titer, suppressed proinflammatory cytokine production and innate immune cell infiltration and improved lung histopathology in a lethal PR8 mouse model. CONCLUSION TA exhibits anti-viral and anti-inflammatory effects against IAV infection by interfering with PRR- and IFN-activated signal transduction.
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Affiliation(s)
- Hong-Xia Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China; Dongguan People's Hospital, Dongguan, 523000, China
| | - Run-Feng Li
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | - Yi-Feng Wang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China
| | - Li-Han Shen
- Dongguan People's Hospital, Dongguan, 523000, China
| | - Li-Hua Cai
- Dongguan People's Hospital, Dongguan, 523000, China
| | - Yun-Ceng Weng
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | | | - Xin-Xin Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | - Xiao Wu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | - Rui-Feng Chen
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | - Hai-Ming Jiang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | - Caiyun Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR), 519020, China
| | - Mingrong Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR), 519020, China
| | - Jingguang Lu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR), 519020, China
| | - Xiao-Dong Luo
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China; State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, China.
| | - Zhihong Jiang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China; State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR), 519020, China; Guangdong-Hong Kong-Macao Joint Laboratory of Infectious Respiratory Disease, 510000, China
| | - Zi-Feng Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, Guangdong, 510120, China; State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau (SAR), 519020, China; KingMed Virology Diagnostic & Translational Center, 510000, China; Guangdong-Hong Kong-Macao Joint Laboratory of Infectious Respiratory Disease, 510000, China.
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Shang L, Jia SS, Jiang HM, Wang H, Xu WH, Lv CJ. Simvastatin downregulates expression of TGF-βRII and inhibits proliferation of A549 cells via ERK. Tumour Biol 2015; 36:4819-24. [PMID: 25631750 DOI: 10.1007/s13277-015-3134-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Accepted: 01/19/2015] [Indexed: 12/29/2022] Open
Abstract
Lung cancer is the leading cause of cancer-related death worldwide. Transforming growth factor-β receptor II (TGF-βRII) plays an important role in the regulation of proliferation and progression in cancer. Statins have been documented to exhibit anticancer and cancer chemopreventive properties. However, the effects and mechanisms of simvastatin on the development of lung cancer are still unclear. In the present study, quiescent A549 cells were treated in vitro with fetal bovine serum (FBS) in the presence or absence of simvastatin. MTT, Western blot, and real-time qPCR were used to detect cell viability, activation of ERK, and expression of TGF-βRII at the protein and RNA level. Our results demonstrated that simvastatin inhibited activation of ERK, downregulated expression of TGF-βRII, and suppressed A549 cell proliferation. Furthermore, the effects of simvastatin can be reversed by farnesyl pyrophosphate (FPP). Therefore, these results suggest that simvastatin may inhibit A549 cell proliferation and downregulate TGF-βRII expression by inhibiting activation of ERK. Our findings may advance the current understanding of the effects of simvastatin on cancer progression and contribute to the study of cancer treatment.
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Affiliation(s)
- Li Shang
- Nursing Division, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, 264100, China
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Yang JC, Wang ZG, Zhou J, Jiang HM, Zhang JF, Pan P, Han Z, Lu C, Li LL, Ge CL. Inorganic phosphorus fractionation and its translocation dynamics in a low-P soil. J Environ Radioact 2012; 112:64-69. [PMID: 22609804 DOI: 10.1016/j.jenvrad.2012.03.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 03/16/2012] [Accepted: 03/18/2012] [Indexed: 06/01/2023]
Abstract
The translocation of different inorganic phosphorus (Pi) forms in a low-P soil (Langfang experimental station, Hebei province, China) over time was investigated using P fractionation extraction and a (32)P tracer technique. The L-value and P availability of the soil was assessed using 5 different maize genotype (Zea mays L.) cultivars. The results showed that the different Pi fractions in the soil increased in the order of H(2)SO(4)-extractable P (Ca(10)-P) > Na(3)C(6)H(5)O(7)-Na(2)S(2)O(4)-extractable P (O-P) > NH(4)Ac-extractable P (Ca(8)-P) > NaHCO(3)-extractable P (Ca(2)-P), NH(4)F-extractable P (Al-P), NaOH-Na(2)CO(3)-extractable P (Fe-P), and the content of plant-unavailable P (Ca(10)-P + O-P) was high, up to 79.1%, which might be an important reason for P deficiency in this low-P soil. The (32)P tracer results showed that after the addition of (32)P-Pi to the soil with no P fertilizer applied for 25 d, 29.0% of (32)P was quickly transformed into Ca(2)-P (rapidly available P), and 66.1% of (32)P was transformed into Al-P, Fe-P and Ca(8)-P (slowly available P). Only 5.0% of (32)P was transformed into O-P and Ca(10)-P (plant-unavailable P). Moreover, in the soil with P fertilizer applied, (32)P transformation into Ca(2)-P increased, and the transformation into Ca(8)-P + Fe-P + AL-P and O-P, Ca(10)-P significantly decreased compared to the soil with no P fertilizer applied (p < 0.05). This result suggested a higher rate for water-soluble P transformation to slowly available and plant-unavailable P in P deficient soil than in soil with sufficient P. The results of maize L-value determination showed that different genotype maize cultivars had different soil P-use efficiency and low-P tolerance mechanisms. Low-P tolerant cultivar DSY-32 regulated soil P-use efficiency and plant P content according to exogenous P fertilizer application. However, another low-P tolerant cultivar, DSY-2, used soil P more efficiently, regardless of the application of exogenous P.
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Affiliation(s)
- J C Yang
- Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
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Jiang HM, Ng SW. μ-Cyanido-1:2κN:C-tricyanido-2κC-(rac-5,5,7,12,12,14-hexa-methyl-1,4,8,11-tetra-aza-cyclo-tetra-decane-1κN,N',N'',N''')dinickel(II) N,N-di-methyl-formamide monosolvate hemi-hydrate. Acta Crystallogr Sect E Struct Rep Online 2010; 66:m1467. [PMID: 21588884 PMCID: PMC3008996 DOI: 10.1107/s1600536810042625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2010] [Accepted: 10/20/2010] [Indexed: 11/12/2022]
Abstract
The two NiII atoms in the title complex, [Ni2(CN)4(C16H36N4)]·C3H7NO·0.5H2O, are bridged by a cyanide ion. The macrocycle folds around one NiII atom, which is five-coordinated in an NiN5 square-pyramidal geometry. The other NiII atom is surrounded by the cyanide ions in an NiN4 square-planar geometry. The dimethylformamide solvent molecule is disordered over two positions in a 0.62 (1):0.38 (1) ratio and the water molecule is disordered about a center of inversion. The dinuclear molecule and solvent molecules are linked by N—H⋯O, N–H⋯N and O—H⋯O hydrogen bonds, forming a three-dimensional network.
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Lu CA, Zhang JF, Jiang HM, Yang JC, Zhang JT, Wang JZ, Shan HX. Assessment of soil contamination with Cd, Pb and Zn and source identification in the area around the Huludao Zinc Plant. J Hazard Mater 2010; 182:743-748. [PMID: 20638790 DOI: 10.1016/j.jhazmat.2010.06.097] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2009] [Revised: 06/22/2010] [Accepted: 06/22/2010] [Indexed: 05/29/2023]
Abstract
The distribution characteristics of heavy metals (cadmium (Cd), lead (Pb) and zinc (Zn)) in the natural soil profiles around the Huludao Zinc Plant (HZP), an old industrial base in Northeast China, were analyzed. The pollutant source was identified using (210)Pb isotope technique to evaluate the geochemical characteristics of Pb and the historical production records of HZP. The results indicated: dust precipitation from HZP was the primary source of the pollutants. The average deposition rates of Cd, Pb and Zn were 0.33, 1.75, and 30.97 g/m(2)year, respectively at 1 km away after HZP, and 0.0048, 0.035, and 0.20 g/m(2) year, respectively at 10 km away after HZP. There is a risk of secondary pollution to the environment as well as the food chain in seriously polluted areas used for cultivation.
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Affiliation(s)
- C A Lu
- Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences,100081 Beijing, China
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Jiang HM, Yang JC, Zhang JF. Effects of external phosphorus on the cell ultrastructure and the chlorophyll content of maize under cadmium and zinc stress. Environ Pollut 2007; 147:750-6. [PMID: 17275154 DOI: 10.1016/j.envpol.2006.09.006] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2006] [Revised: 07/17/2006] [Accepted: 09/07/2006] [Indexed: 05/13/2023]
Abstract
Using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analysis, it was found that the ultrastructure of chloroplasts were changed, the shape of the chloroplasts altered and the numbers of grana that were asymmetrical increased; the numbers of grana and thylakoids decreased under the stress of Cd and Zn. The results indicated that the complex pollution involving Cd and Zn resulted in the membrane system of chloroplasts being damaged. When external phosphorus was applied, the numbers of damaged chloroplasts were significantly reduced and the nucleoli were better formed than those that did not receive phosphorus treatment. Moreover, many phosphate deposits were found in the vacuoles and on the surface of the roots, which were formed by phosphorus complexing with Cd (K(sp)=2.53x10(-33)) and Zn (K(sp)=9.00x10(-33)), respectively. Treatment with phosphorus conduced an increased chlorophyll content in plants compared with those that did not receive external phosphorus.
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Affiliation(s)
- H M Jiang
- Institute of Soil and Fertilizer, CAAS, Beijing, China
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Jiang HM, Li M, Li YP. [Experimental study on isolated testes with ischemia/reperfusion injury]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2001; 15:377-81. [PMID: 11762229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
OBJECTIVE To investigate the injury on isolated testes induced by ischemia/reperfusion(I/R), and the protective effect of Yisheng injection on the injury. METHODS Twenty-six isolated cadaver testes contributed by 13 persons were preserved with 4 degrees C 250 ml hypertonic citrate alloxuric (HCA) solution and then reperfused with 37 degrees C 500 ml HCA. Solution of experimental group contained 500 micrograms/ml Yisheng injection. In simple cold preservation test, involving in 8 experimental and 8 control testes, a series of time points (6, 12, 18, 24, 36, 48, 60, 72 hours) were set to harvest. 10 testes (1 testis respectively on 6, 12, 18, 24 and 36 hours in experimental and control groups) were reperfused with 37 degrees C HCA for 6 and 12 hours. Histological and histochemical changes were observed. RESULTS In the experimental testes, 4 degrees C cold preservation in 24 hours could not induce obvious pathologic changes. After 24 hours, changes such as swelling, vacuolar degeneration or detachment of endothelial cells (ECs), separation between basement membrane and seminiferous epithelium, mal-alignment of spermatogenous cell and edema of mesenchyme could be observed. In the testes preserved for 12 hours, the activity of lactic dehydrogenase(LDH) and succinic dehydrogenase (SDH) increased, then fallen after 24 hours. The activity of Nitric oxide synthetase(NOS) decreased after 18 hours. All changes were more obvious after following 37 degrees C reperfusion. In the control testes, swelling and vacuolar degeneration of ECs occurred on 12 hours cold preservation, and injury was worse along with the prolongation of cold preservation time. Pathologic changes of ECs, seminiferous epithelium and mesenchyme were serious after 37 degrees C reperfusion. CONCLUSION 4 degrees C cold preservation in 24 hours can only cause mild ECs' injury, and obvious abnormal testes' histological profile can be observed beyond 24 hours. 37 degrees C reperfusion will make injury worse. Yisheng injection can keep isolated testes histologic structure well in 24 hours cold preservation, and it has protective effect on I/R injury.
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Affiliation(s)
- H M Jiang
- Lab. of Transplant Engineering and Transplant Immunology, First University Hospital, West China University of Medical Sciences, Chengdu Sichuan, P.R. China 610041
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Chen LY, Jiang HM, Wu GJ. [Listeria monocytogenes induces thymocyte apoptosis in mice]. Hunan Yi Ke Da Xue Xue Bao 2001; 26:305-8. [PMID: 12536719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Abstract
The murine thymocyte apoptosis induced by Listeria monocytogenes(LM) was detected with morphology, FCM, and DNA electrophoresis. The results were that LM elicited typical morphological changes of thymocyte apoptosis; the typical apoptosis peak was displayed with FCM, and typical "ladder pattern" with agarose gel electrophoresis. The apoptotic cells were found at 8 h after the mice had infected LM and reached climax at 48 h. The thymus weight significantly reduced at 16 h, and reached the lowest at 48 h after the mice had infected LM. The percentage of apoptotic cells was raised with the increasing of LM. These results suggest that LM induces thymocyte apoptosis in dose- and time-dependent manner.
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Affiliation(s)
- L Y Chen
- Department of Microbiology, Xiangya School of Medicine, Central South University, Changsha 410078
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Chen YX, Wei CF, Jiang HM. [Intravenous infection of C. albicans induces apoptosis of cortical thymocytes in mice]. Hunan Yi Ke Da Xue Xue Bao 2000; 25:113-6. [PMID: 12212192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
In this study, we aimed to understand the location of apoptotic cells in murine thymus and phenotype of murine thymocytes involved in C. albicans induced apoptosis. Results showed that significant increase of apoptotic cells in thymus began at 6 h after intravenous injection of C. albicans and kept increased at 12 h, 18 h and 24 h. Quantitative changes of thymocytes with different phenotype measured by flow cytometry revealed that percentage of CD3+ and CD8+ cells were significantly reduced compared to the controls. Moreover in situ cell death detection of thymic tissue revealed that apoptotic cells induced by C. albicans mainly located in the thymic cortex, while in the thymic medulla a very small number of thymocytes was involved. Taken together our study indicates that C. albicans induces apoptosis of murine thymocytes, moreover the apoptosis possibly involves the major immature CD3+ CD4+ CD8+ cells in the thymic cortex and minor mature CD3+ CD4- CD8+ cells in the thymic medulla.
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Affiliation(s)
- Y X Chen
- Department of Immunology, Hunan Medical University, Changsha 410078
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Tang SY, Jiang HM. [Clinical application of inspiring psychological nursing in vaginal delivery]. Zhonghua Hu Li Za Zhi 1997; 32:9-11. [PMID: 9304948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A new nursing method named Inspiring Psychological Nursing was initiated and applied to 176 primigravida undergoing vaginal delivery from Jan. to Jun. 1994. 202 primigravida who received general medical care during vaginal delivery from Jan. to Jun. 1993 was served as control group. No significant differences were found between the two groups regarding to age, gestational weeks, times of pregnancy, fetal position and newborn's weight. However significant differences were found regarding the duration of the second stage of labor and incidence of newborn asphyxia. Primigravida in the control group usually delivered after 60 min. and carried a higher incidence of newborn asphyxia, being 6.7%. It's concluded that Inspiring Psychological Nursing could significantly improve pregnancy outcome.
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Affiliation(s)
- S Y Tang
- Department of Obstetrics and Gynecology, Daping Hospital, Third Military Medical University, Chongqing, P. R. China
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Jiang HM. [Significance of measurement of serum and cerebrospinal fluid trace elements in the diagnosis of brain tumors]. Zhonghua Zhong Liu Za Zhi 1991; 13:210-3. [PMID: 1786758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Cu, Zn, Cd, Mn, Se in serum and Cu, Cd and Mn in cerebrospinal fluid (CSF) of 150 patients were measured by flame, flameless and hydride generation atomic absorption spectrophotometry. The patients were divided into three groups: malignant brain tumor group (MTG), benign brain tumor group (BTG), and non-neoplastic neurological disease group (no evidence of brain tumor group, NENG). The results were as follows: 1. Serum Cu, Zn, Cd, Mn, Se levels before operation were higher than those after operation; 2. Cu Cd, Mn serum levels were positively correlated with the CSF in the three groups. The correlation coefficients of serum Cu-CSFCU were 0.8935 (MTG), 0.6074 (BTG), 0.5349 NETG); serum Cd-CSFCd 0.7963, 0.2671, 0.5398; serum Mn- CSF Mn 0.5855, 0.4474, 0.5163, (P less than 0.01). 3. Serum and CSF Cu levels in MTG were significantly higher than in BTG and NETG (P less than 0.01). 4. A group of discrimination function equations was established with stepwise discrimination analysis. The six factors, i. e. serum Cu, Cd, Mn, Se and CSF Cu, Mn were significant in the equations. The conformation rate of diagnosis and discrimination by the equations in the malignant and benign brain tumors with clinical diagnosis was 81 percent. The equations could describe the relationship of coordination and antagonism among trace elements in serum and CSF. The authors believe that discrimination equations may have potential use both in diagnosing and discriminating patients in the 3 groups mentioned above and in following patients after excision of the brain tumor.
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Affiliation(s)
- H M Jiang
- Department of Public Health, Shandong Medical University, Jinan
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Jiang HM. [The clinical significance of multifactor discrimination and analysis of maternal serum Cu, Zn, Cd, Mn contents in the diagnosis of abnormal fetus]. Zhonghua Yu Fang Yi Xue Za Zhi 1991; 25:102-4. [PMID: 1860391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In this paper we present pair-comparison test with serum contents of Cu, Zn, Cd, Mn, Se in pregnant women with neural tube defects fetus (NTD), pregnant women with normal fetus and healthy with no pregnancy using Bayes Stepwise Discrimination Analysis and Fisher Discrimination Analysis. The results showed: NTD of fetus was related to deficiency of maternal serum in Cu, Zn, Mn and to excess of Cd. The maternal serum levels of Cu, Cd and Mn can be used as sensitive indicator to detect intrauterine abnormality at an early stage. The low levels of maternal serum in Zn and Se were not a specific indicator of NTD but a characteristic shared by all pregnant women. It is important to pay attention to supplying pregnant women at an early stage with Zn, Se to meet the needs of normal growth of the fetus and prevent foetal abnormality. With stepwise discrimination we established two equations by Cu, Zn, Cd, Mn used for distinguishing normal from abnormal fetus. The accordant rate of clinical discrimination with classification output for inside examples was 93%. In the equation established by Fisher principle Mn had the greatest rate, namely, 37.6%.
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Affiliation(s)
- H M Jiang
- Faculty of public Health, Shandong Medical University, Jinan
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Jiang HM, Han GA, He ZL. Clinical significance of hair cadmium content in the diagnosis of mental retardation of children. Chin Med J (Engl) 1990; 103:331-4. [PMID: 2118045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Cadmium (Cd) is known to be closely related to the development of children's intelligence. To investigate the clinical significance of the hair cadmium content in the diagnosis of mental retardation (MR), 415 normal and 85 MR children's hair cadmium contents were measured by 79-1 anodic stripping voltmeter. The data were processed by an Apple-II microcomputer. Comparing the median value and using the Chi-square test the Cd contents in the hair of both male and female MR children were obviously higher than those of normal children (P less than 0.001). If the Cd content in the hair of male children is higher than 0.239 microgram/g, and higher than 0.180 microgram/g in the female, MR can be diagnosed. The sensitivity and specificity of the test are greater than 90%; false positive and false negative rates are lower than 10%. Hair Cd can be used as an additional criterion in the diagnosis of MR and may be important in the screening for MR.
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Affiliation(s)
- H M Jiang
- Department of Public Health, Shandong Medical University, Jinan
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Lu MH, Jiang HM, Xu BQ, Cui X, Xu ZX. Relationship between viral hepatitis and four trace elements in sera. Chin Med J (Engl) 1989; 102:600-1. [PMID: 2517616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Ye M, An SY, Jiang HM. [Clinical analysis of 141 cases of adult polycystic kidney disease]. Zhonghua Wai Ke Za Zhi 1986; 24:73-6, 124. [PMID: 3743269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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He SZ, An SY, Jiang HM, Yang R, Cao YF. Cyst decapitating decompression operation in polycystic kidney: preliminary report of 52 cases. Chin Med J (Engl) 1980; 93:773-8. [PMID: 6775888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
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