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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Yang, Xiaolong Zheng, Shuang Ren, Laibin Guo, Xiaojuan Wang, Xiaoying Huang, Ning Li, Heng Wang, Xinyuan Li, Na Shen, Xiaofei |
| Description | Author Affiliation: Zheng S ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Ren L ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Li H ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Shen X ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Yang X ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Li N ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Wang X ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Guo X ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Wang X ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.); Huang N ( Department of Pathophysiology, West China School of Preclinical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, P.R. China.) |
| Abstract | Since bacterial invasion into host cells is a critical step in the infection process and the predominance of multiple-antibiotic-resistant Klebsiella (K.) pneumoniae strains, using molecular agents to interfere with K. pneumoniae invasion is an attractive approach for the prevention of infection and suppress the immune inflammatory response. In previous studies by our group, high-mobility group nucleosome-binding domain 2 (HMGN2) protein was shown to exhibit anti-bacterial activity in vitro. The objective of the present study was to investigate the effects of HMGN2 protein on the invasion of K. pneumoniae 03183 in vivo. The results showed that pre-treatment with 128 µg/ml HMGN2 significantly reduced K. pneumoniae 03183 invasion into mouse lungs and increased the mRNA expression of CXCL1 and LCN2 within 2 h. Immunohistochemical staining showed that F-actin expression was significantly decreased, and fluorescence microscopy and western blot analysis further demonstrated that HMGN2 significantly blocked K. pneumoniae 03183-induced actin polymerization. These changes implied that HMGN2 may provide protection against K. pneumoniae 03183 infection in vivo. |
| ISSN | 17912997 |
| e-ISSN | 17913004 |
| Journal | Molecular Medicine Reports |
| Issue Number | 1 |
| Volume Number | 12 |
| Language | English |
| Publisher | Spandidos Publications |
| Publisher Date | 2015-07-01 |
| Publisher Place | Greece |
| Access Restriction | Open |
| Subject Keyword | Anti-bacterial Agents Pharmacology Hmgn2 Protein Klebsiella Infections Drug Therapy Klebsiella Pneumoniae Drug Effects Lung Pneumonia, Bacterial Actins Genetics Immunology Acute-phase Proteins Agonists Animals Biosynthesis Chemokine Cxcl1 Gene Expression Host-pathogen Interactions Microbiology Pathology Physiology Lipocalins Mice Mice, Inbred C57bl Oncogene Proteins Rna, Messenger Recombinant Proteins Research Support, Non-u.s. Gov't Discipline Molecular Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Biochemistry Molecular Biology Cancer Research Molecular Medicine Oncology |
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