猪附红细胞体小鼠感染模型建立条件的优化

doi:10.16431/j.cnki.1671-7236.2017.09.031

Abstract

Abstract:

In order to explore the infection characteristics of Mycoplasma suis(M.suis), and optimize the establishment of infection model of M.suis,this research designed the infection test with different mice (A test), different pathogen forms (B test), frozen pathogens (C test), and studied on mice model of blood reinfection (D test). On the basis of a comprehensive assessment of each test in the blood of mice infection, the first infection time, the clinical symptoms and the average duration of infection, to analyze whether the different treatments and different pathogenic mice forms, cryopreservation of pathogen and the mouse model of blood infection had influence on the establishment of mouse model. PCR detection, electron microscope observation and specific gene fragment sequencing were used to determine whether the pathogen of mice infected with the model was consistent with that of M.suis. The results showed that the infection effect of the spleen group was the best in the A test. In the B test, the infection effect of the M.suis positive blood samples group was the best. In the C test, the infection effect of the non-frozen positive blood group was better than that of the cryopreserved group. In the D test, the positive model of pig blood samples and mice model positive blood group had no significant difference. The results of PCR detection, electron microscope observation and specific gene fragment sequencing showed that the pathogen of mouse model was identical with that of M.suis. The results showed that the infection condition of the mice infected with the mouse model was influenced by the different treatment of the mice, the different forms of pathogens and the cryopreservation of the pathogen,and the model of Kunming mice without spleen infected with M.suis positive blood samples was the best.

Key words: Mycoplasma suis; mouse; infection model

CLC Number:

S855

NI Ting-ting, WU Sheng-jun, LIANG Wan-feng, XU Ying-tian, WU Jin-tong, XUE Shu-jiang. Optimization of Establishment Conditions of Mouse Model of Mycoplasma suis[J]. , 2017, 44(9): 2761-2766.

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Optimization of Establishment Conditions of Mouse Model of Mycoplasma suis

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