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Xu J, Wang DD, Shi GX, Baima MYJ, Zhang X, Zhao Y. [Recommendations of diagnosis and treatment of relapsing polychondritis in China]. Zhonghua Nei Ke Za Zhi 2022; 61:525-530. [PMID: 35488602 DOI: 10.3760/cma.j.cn112138-20211103-00769] [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
Relapsing polychondritis is an immune mediated systemic inflammatory disease, involving the cartilaginous and proteoglycan rich structures. The characteristic manifestations were inflammation and deformity of ear and nasal cartilage. Here, Chinese Rheumatology Association summarized manifestations, diagnosis and disease activity index evaluation of relapsing polychondritis, standardized treatment regimens, to improve disease prognosis.
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Affiliation(s)
- J Xu
- Department of Rheumatology and Immunology, First Affiliated Hospital of Kunming Medical University, Kunming 650032, China
| | - D D Wang
- Department of Rheumatology and Immunology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - G X Shi
- Department of Rheumatology and Clinical Immunology, First Affiliated Hospital of Xiamen University, Xiamen 361000, China
| | - M Y J Baima
- Department of Rheumatology and Immunology, People's Hospital of Tibet Autonomous Region, Lhasa 850000, China
| | - X Zhang
- Beijing Hospital, National Center of Gerontology, National Clinical Research Center for Geriatric Diseases, Clinical Immunology Center, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Yan Zhao
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, National Clinical Research Center for Dermatologic and Immunologic Diseases, State Key Laboratory of Complex Severe and Rare Diseases, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing 100730, China
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Liang YC, Yao Y, Zhang RJ, Shao M, Sun XL, Shi GX, Gao C, Yu D, He J. [Role of circulating T follicular helper subsets and T follicular helper effector memory cells in systemic lupus erythematosus]. Zhonghua Yi Xue Za Zhi 2019; 99:164-168. [PMID: 30669756 DOI: 10.3760/cma.j.issn.0376-2491.2019.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the role of T follicular helper (Tfh) subsets and T follicular helper effector memory (Tfhem) cells in circulation of patients with systemic lupus erythematosus (SLE), and explore their roles in SLE disease activity index as biomarkers. Methods: This study enrolled 64 patients with SLE and 15 healthy controls. In peripheral blood from patients with SLE and health controls, the percentage of Tfhem (CD3(+)CD4(+)CD45RA(-)CXCR5(+)CCR7(low)PD-1(high)) cells, Tfh (CD3(+)CD4(+)CD127(high)CD25(l)ow CD45RA(-)CXCR5(+)) subset: Tfh1 (CXCR3(+)CCR6(-)Tfh), Tfh2 (CXCR3(-)CCR6(+) Tfh), Tfh17 (CXCR3(-)CCR6(+) Tfh), were detected by flow cytometry. The correlations of Tfhem/Tfh subsets with clinical indicators which we collected were analyzed. Results: The percentage of Tfhem was significantly increased in SLE patients compare to health controls (1.40±1.12 vs 0.51±0.24, P<0.000 1), and it was also correlated with systemic lupus erythematosus disease activity index (SLEDAI) (P=0.015 3) and anti-dsDNA antibody (P=0.003 1), but not with complement C3 (C3), complement C4 (C4), erythrocyte sedimentation rate (ESR), and C reaction protein (CRP). In addition, the percentage of Tfh2, but not Tfh1 or Tfh17, was significantly increased in SLE patients compare to health controls (3.83±2.74 vs 2.18±1.07, P=0.000 4). As compared to anti-dsDNA antibody<25 group, the percentage of Tfh2 in anti-dsDNA antibody>25 group was increased with no significant statistical difference (4.33±3.20 vs 3.70±1.070, P=0.069 6). Conclusion: Our investigation show that Tfhem is associated with SLEDAI and it is a valuable evaluation biomarker for disease process and treatment. Meanwhile Tfhem is also associated with anti-dsDNA antibody, and it plays an important role in autoantibody production in SLE pathogenesis. Tfhem may be a good therapeutic target in SLE. For the meantime, the percentage of Tfh2 is significantly increased in SLE patients, and it had certain correlation with anti-dsDNA antibody, it might be involved in the development of SLE.
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Affiliation(s)
- Y C Liang
- Department of Rheumatology and Immunology, First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - Y Yao
- Department of Gastrointestinal Surgery, Tongji Hospital of Tongji Medical College of Huangzhong Uninversity of Science & Technology, Wuhan 430000, China
| | - R J Zhang
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing 100044, China
| | - M Shao
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing 100044, China
| | - X L Sun
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing 100044, China
| | - G X Shi
- Department of Rheumatology and Immunology, First Affiliated Hospital of Xiamen University, Xiamen 361003, China
| | - C Gao
- Department of Gastrointestinal Surgery, Tongji Hospital of Tongji Medical College of Huangzhong Uninversity of Science & Technology, Wuhan 430000, China
| | - D Yu
- Molecular Immunoregulatory Laboratory, School of Biomedical Sciences, Monash University, Melbourne 3800, Australia
| | - J He
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing 100044, China
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Sun CF, Wang SG, Peng YG, Shi Y, Du YP, Shi GX, Wen T, Wang YK, Su H. [Intervention of systolic pressure and left ventricular hypertrophy in rats under cold stress]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2016; 34:438-43. [PMID: 27514554 DOI: 10.3760/cma.j.issn.1001-9391.2016.06.010] [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 investigate the effects of different drugs on systolic blood pressure (SBP) and left ventricular hypertrophy (LVH) in spontaneously hypertensive rats under cold stress. METHODS A total of 40 male spontaneously hypertensive rats aged 10 weeks (160~200 g) were given adaptive feeding for 7 days at a temperature of 20±1°C and then randomly divided into control group, cold stress group, metoprolol group, amlodipine group, and benazepril group, with 8 rats in each group. SBP, body weight, and heart rate were measured once a week. After the rats were sacrificed by exsanguination, left ventricular weight (LVW) was measured, and left ventricular weight index (LVWI; mg/g) was calculated. Radioimmunoassay was used to measure the concentrations of endothelin-1 (ET-1) and angiotensin-II (Ang-II) in plasma and myocardium, and the chemical method was used to measure the concentrations of nitric oxide (NO) in plasma and myocardium. RT-PCR was used to measure the mRNA expression of endothelin-A receptor. RESULTS Compared with the cold stress group, all medication groups showed significant reductions in SBP since week 5 (P<0.05). The cold stress group showed a significant increase in LVWI compared with the control group (3.38±0.27 mg/g vs 2.89±0.19 mg/g, P<0.05). The amlodipine group showed a significant reduction in LVWI compared with the cold stress group (2.98±0.28 mg/g vs 3.38±0.27 mg/g, P<0.05). The cold stress group showed a significant reduction in plasma NO concentration compared with the control group (104.9±19.5 μmol/L vs 129.3±17.8 μmol/L, P<0.05) ; compared with the cold stress group, all the medication groups showed significant increases in blood NO concentration (P<0.05). The cold stress group showed a significant increase in myocardial ET-1 concentration compared with the control group (6.3±1.5 pg/100 mg vs 4.5±1.9 pg/100 mg, P<0.05) ; compared with the cold stress group, the amlodipine group showed a significant reduction in myocardial ET-1 concentration (4.4±1.0 pg/100 mg vs 6.3±1.5 pg/100 mg, P<0.05). The cold stress group had significantly higher mRNA expression of endothelin-A receptor than the control group (0.86±0.23 vs 0.45±0.16, P<0.01) ; compared with the cold stress group, the amlodipine group showed a significant reduction in the mRNA expression of endothelin-A receptor (0.41±0.14 vs 0.86±0.23, P<0.01). CONCLUSION Amlodipine can reduce the increase in SBP and inhibit LVH in spontaneously hypertensive rats under cold stress.
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Affiliation(s)
- C F Sun
- Department of Emergency Center, Huai'an Hospital Affiliated of Xuzhou Medical College, Huai'an 223002, China
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Abstract
Effect of glycosylation modification on the shape of microvillus was investigated on rat liver epithelial cell line WB-F344. Since rat ER alpha-mannosidase has 89% identity to human 6A8 alpha-mannosidase, we used an antisense 6A8 cDNA fragment to inhibit expression in WB-F344 cells. Cells were transfected with antisense 6A8, the relevant sense fragment or the mock plasmid. Genomic PCR for neo(R) demonstrated integration of the transfected gene into host DNA. Enzymatic activity assay on p -nitro-phenyl-alpha-D-mannopyranoside showed suppression of ER alpha-mannosidase expression in the cells transfected with antisense 6A8. Concanavalin A binding to these cells was enhanced, indicating a modification in glycosylation. Number reduction and blunting of microvillus on these cells was observed. Transduction with the sense fragment or the mock had no effect. Cells with suppressed ER alpha-mannosidase expression grew slower in culture. Our results indicate an obvious effect of glycosylation modification on microvilli, which might be related with malfunctioning of cells.
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Affiliation(s)
- F T Zhao
- Department of Immunology, Institute of Basic Medical Science, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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Xu QS, Hu JZ, Xie KB, Yang HY, Du KH, Shi GX. Accumulation and acute toxicity of silver in Potamogeton crispus L. J Hazard Mater 2010; 173:186-193. [PMID: 19740606 DOI: 10.1016/j.jhazmat.2009.08.067] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2009] [Revised: 08/12/2009] [Accepted: 08/16/2009] [Indexed: 05/28/2023]
Abstract
In the present study, Potamogeton crispus L. plants exposed to various concentrations of silver (Ag) (5, 10, 15, and 20 microM) for 5d were investigated to determine the accumulating potential of Ag and its influence on nutrient elements, chlorophyll pigments and fluorescence, various antioxidant enzymes and compounds, adenosine triphosphate (ATP), protein content and ultrastructure. The accumulation of Ag was found to increase in a concentration dependent manner with a maximum of 29.3 microg g(-1) at 20 microM. The nutrient elements (except Ca), photosynthetic pigments, chlorophyll a fluorescence parameters (Fo, Fv, Fv/Fm, Fv/Fo), malondialdehyde (MDA), ATP, peroxidase (POD) activity, ascorbate (AsA), reduced glutathione (GSH) and protein contents decreased significantly as concentration of Ag augmented. In contrast, an induction in SOD activity was recorded, while an initial rise in Ca content and CAT activity was followed by subsequent decline. Morphological symptoms of senescence phenomena such as chlorosis and damage of chloroplasts and mitochondria were observed even at the lowest concentration of Ag, which suggested that Ag hastened the senescence of the tested plants. The loss of nutrients and chlorophyll content and damage of chloroplasts were associated with disturbances in photosynthetic capacity as indicated by the quenching of chlorophyll a fluorescence. Decreased chlorophyll and protein contents suggest oxidative stress induced by Ag. In addition, both the reduction of ATP and the damage to the ultrastructure of organelles were indicative of general disarray in the cellular functions exerted by Ag.
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Affiliation(s)
- Q S Xu
- Jiangsu Key Lab of Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210046, PR China.
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Jin YL, Yue W, Shi GX, Liu Y, Zhao FT, Zhu LP. Inhibition of 6A8 alpha-mannosidase gene expression resulted in telomere length shortening in nasopharyngeal carcinoma cell CNE-2L2. Cancer Lett 2005; 218:229-34. [PMID: 15670901 DOI: 10.1016/j.canlet.2004.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2003] [Revised: 03/06/2004] [Accepted: 04/16/2004] [Indexed: 11/22/2022]
Abstract
Telomere length shortening was observed in the nasopharyngeal carcinoma cell CNE-2L2 when 6A8 alpha-mannosidase expression was inhibited by antisense 6A8 DNA. Transduction with mock or an irrelevant DNA did not affect the telomere length in the carcinoma cells. Telomerase activity and mRNA transcription of TRF 1 and 2 were not changed in the cells treated with antisense 6A8. The Con A binding test showed an enhancement on the proteins isolated from the cells treated with antisense 6A8, but not on those from mock- or irrelevant DNA-treated cells. The data imply an association between glycosylation modification with telomere shortening in antisense 6A8-treated cells.
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Affiliation(s)
- Y L Jin
- Department of Immunology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100005, China
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Yue W, Shi GX, Bai ZL, Zhu LP. [Growth inhibition of human nasopharyngeal carcinoma cell CNE-2L2 caused by suppression of 6A8 alpha-mannosidase expression]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 2001; 23:418-22. [PMID: 12905853] [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: 03/04/2023]
Abstract
OBJECTIVE To study the relationship between 6A8 alpha-mannosidase expression and growth of CNE-2L2 cells, a human nasopharyngeal carcinoma cell line. METHODS Recombinant adeno-associated virus vector (rAAV) was used as a mediator to transfer an antisense or a sense fragment of 6A8 cDNA into CNE-2L2 cells. 6A8 alpha-mannosidase expression was detected by means of mAb 6A8a staining, alpha-mannosidase activity assay and ConA binding test. Cell growth was examined by means of MTT and colony formation. Tumor growth at the inoculated site of the cells in nude mice was detected after 8 weeks. RESULTS Transduction of antisense 6A8 could reduce the expression of 6A8 alpha-mannosidase. In comparison to those in controls, the wild type, the mock-transduced and the sense 6A8-transduced cells, the MTT value, the colony number formed and the tumor weight grown at the inoculated site of cells were significantly decreased in the antisense 6A8-transduced cells (P < 0.001). CONCLUSION Decreased expression of 6A8 alpha-mannosidase caused an inhibition of CNE-2L2 cell growth.
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Affiliation(s)
- W Yue
- Department of Immunology, Institute of Basic Medical Sciences, CAMS, PUMC, Beijing 100005, China
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Wang ZZ, Li L, Shi GX, Liu Y, Zhao FT, Zhu LP. [6A8 alpha-mannosidase catalyzes p-nitrophenyl-alpha-D-mannopyranoside]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 2001; 23:423-7. [PMID: 12905854] [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: 03/04/2023]
Abstract
OBJECTIVE To confirm the alpha-mannosidase nature of the protein encoded by 6A8 cDNA. METHODS 1) To construct a full-length 6A8 cDNA based on the three cloned DNA fragments by means of gene recombinant technique; 2) To insert the 6A8 cDNA into eukaryotic expression vector pCDI; 3) To transfect the recombinant pCDI-6A8 into COS-7 cells; 4) To characterize the nature of the protein encoded by 6A8 cDNA by means of enzymic activity assay and Western blotting assay. RESULTS The constructed 6A8 cDNA was the right cDNA in sequence. The enzymetic activity of the homogenate of COS-7 cells transfected with pCDI-6A8 was 3-4 times higher than that of the cells transfected with the mock or the wild cells. The enzymetic reaction could not be inhibited by swainsonine. Western blot showed a band of 120,000 recognized by mAb 6A8. The band in the cells transfected with pCDI-6A8 cDNA was much darker than that in the cells transfected with the mock or in the wild cells. CONCLUSION The protein encoded by 6A8 cDNA is a kind of alpha-mannosidase, which belongs to type II alpha-mannosidase.
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Affiliation(s)
- Z Z Wang
- Department of Immunology, Institute of Basic Medical Sciences, CAMS, PUMC, Beijing 100005, China
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Abstract
Delivering a gene into the Epstein-Barr virus (EBV)-transformed B cells is useful in studying effects of the gene on B-cell functions. However, although people have been able to efficiently transfer genes into and get them expressed in B-lympho blastoid cells for a time probably long enough to kill the cells using vectors harbouring oriP, the expression time of the delivered gene is not long enough in order to study the gene function in B cells. To solve this problem, we constructed an adeno-associated virus (AAV) plasmid pAGX(+) based on plasmids pSub201 and pRc/CMV. We developed and packaged recombinant AAV (rAAV) expression vectors containing an antisense or a sense DNA fragment of 6A8 cDNA encoding a human alpha-mannosidase, or an antisense fragment of 5D4 cDNA encoding a human cell membrane protein, or EYFP DNA. EBV-transformed B cell SKW6 and 3D5 were transduced with those rAAV or the mock. Transduction with the rAAV-EYFP showed an infection frequency of 64 +/- 3.5% and 58 +/- 6.2% for SKW6 and 3D5 cell, respectively. Genomic polymerase chain reaction (PCR) for neoR gene indicated an integration of the transferred gene into the host DNA. After being cultured and propagated for over 12 months, the cells were detected for the expression of the transferred gene. The RT-PCR, enzymatic assay and Con A binding test demonstrated an inhibition of 6A8 alpha-mannosidase in both SKW6 and 3D5 cells transduced with the antisense 6A8 DNA. Immunofluorescence staining with monoclonal antibodies (MoAb) 5D4 showed a reduction of the 5D4 protein expression on both the cells transduced with the antisense 5D4 DNA. The DNA fragmentation assay showed a resistance of the cells with 6A8 alpha-mannosidase inhibition to apoptosis induction by anti-Fas antibody. The data indicate that the AAV vector pAGX(+) can efficiently introduce genes into EBV-transformed B cells and the delivered gene can be expressed in the cells for more than 12 months which may be long enough for the study of gene functions in B cells.
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Affiliation(s)
- G X Shi
- Department of Immunology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, China
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Li B, Wang ZZ, Ma FR, Shi GX, Zhang LX, Zeng X, Liu Y, Zhao FT, Zhu LP. Cloning, expression and characterization of a cDNA (6A8) encoding a novel human alpha-mannosidase. Eur J Biochem 2000; 267:7176-83. [PMID: 11106429 DOI: 10.1046/j.1432-1327.2000.01819.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
A 3300-bp cDNA (6A8) has been isolated from a human tonsil cell lambdagt11 cDNA library (GenBank accession number: AF044414). The 6A8 gene is localized on human chromosome 13q31-32. Its cDNA has an open reading frame from position 57 bp to 3243 bp, encoding a 1062 amino-acid polypeptide. The sequence of the polypeptide has 89% identity to rat liver ER alpha-mannosidase. Homogenates of COS-7 cells transfected with 6A8 cDNA showed an enhanced enzymatic activity with p-nitro-phenyl-alpha-D-mannopyranoside, which was not inhibited by swainsonine. These data suggest that 6A8 alpha-mannosidase belongs to the class II alpha-mannosidase. Western blot analysis showed a band for 6A8 cDNA encoded protein of approximately 120 kDa. Northern blot analysis revealed two 6A8 mRNA transcripts with different tissue distribution. Enhanced concanavalin A (ConA) binding to CNE-2L2 cells transfected with a reverse 6A8 DNA was observed, indicating that the 6A8 protein is an important cellular alpha-mannosidase.
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Affiliation(s)
- B Li
- Department of Immunology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Zou WX, Meng JC, Lu H, Chen GX, Shi GX, Zhang TY, Tan RX. Metabolites of Colletotrichum gloeosporioides, an endophytic fungus in Artemisia mongolica. J Nat Prod 2000; 63:1529-1530. [PMID: 11087599 DOI: 10.1021/np000204t] [Citation(s) in RCA: 92] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A new antimicrobial metabolite, named colletotric acid (1), was isolated from a liquid culture of Colletotrichum gloeosporioides, an endophytic fungus colonized inside the stem of Artemisia mongolica. The structure was determined using spectroscopic methods (EIMS and FABMS,(1)H and (13)C NMR, (1)H-(1)H COSY, HMBC, and HMQC). Compound 1 inhibited the growth of Bacillus subtilis, Staphylococcusaureus, and Sarcina lutea with minimal inhibitory concentrations (MICs) of 25, 50, and 50 microg/mL, respectively, and the crop pathogenic fungus Helminthosporium sativum (MIC: 50 microg/mL).
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Affiliation(s)
- W X Zou
- Institute of Functional Biomolecule, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, People's Republic of China
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Zhu Q, Li XD, Shi GX. [Effects of pokeweed antiviral protein on nephrotoxic serum nephritis accelerated by rabbit IgG in mice]. Zhongguo Yao Li Xue Bao 1988; 9:474-7. [PMID: 3218543] [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: 01/04/2023]
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Shi GX. [Clinical study of the early eruption of 74 bicuspids]. Zhonghua Kou Qiang Yi Xue Za Zhi 1988; 23:105-7, 127. [PMID: 3197481] [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: 01/04/2023]
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