RFFIT檢測(cè)體系的改進(jìn)和效果評(píng)估
[Abstract]:Purpose: 1. The localization of the rapid fluorescence focus detection test (RFIIT) detection system is improved to meet the domestic laboratory conditions and detection requirements.? 2. Effect on the improved RFIIT system Fruit evaluation; 3. The room has been fused with a mature RFIIT system and a rabies vaccine antigen detection method to form modified antibody binding test, M -AB Methods: 1. The BSR (BHK-21 small clone), BHK-21 (hamster kidney cell), MNA (mouse fibroblast cell) and CVS-11 and CTN-181 rabies virus were introduced into the RFFIT detection system. the consistency of the detection results is determined; in turn, 10 to 6 human serum samples are detected, and the system is compared with the RFF in different combinations; The difference in the IT test results. 2. The RFFIT test was performed on 1011 human serum samples to assess the localization of the modified RFF the detection efficiency of the IT detection system is 3. 200 samples of the anti-rabies virus nucleoprotein monoclonal antibody prepared by using the self-prepared Alexa 488-labeled anti-rabies virus nucleoprotein monoclonal antibody are used for detecting and evaluating the self-prepared anti-rabies virus nucleoprotein monoclonal antibody. 4. The RFIIT was fused with the antibody binding assay (ABT), and the results were improved and formed in the sample dilution, the remaining neutralizing antibody test and the calculation of the results. Improved antibody binding assay (M-ABT). Detection of the efficacy of 10 inactivated rabies vaccines in different stock times with M-ABT, observe Results: 1. Cell culture: BSR, BHK-21, MNA cell growth In good condition, the cell seed bank of the three cells was established; 2. Virus culture: The rabies virus CVS-11 and the CTN-181 strain were well adapted to the BSR, BHK-21, and MNA cells. and the drop degree of each generation virus is higher than 10-6FFU./ ml, in line with the requirements of the RFFIT detection system for the virus species; 3. Evaluation of the detection efficacy of the RFIIT detection system after the change of the cell line and the virus species: 10 small batch sample testing: introduction of BHK, respectively After the 21 and MNA cell lines and the CTN-181 strain, the results of the RFFIT test were not statistically significant with the results obtained by the combination of the BSR and the CVS-11, and the P-value was greater than 0.05; the results of the detection of 106 large-scale samples also showed that the introduction of new cell lines and the post-strain RFFIT test There is no statistical significance between the test system and the international standard system test results, and and the correlation coefficient (r) is greater than 0.. 75. 4. Improvement of the application effect evaluation of the RFIIT detection system: The effect of different cell lines on the results of RFFIT detection: The CVS-11 virus strain is used as the attack virus, and the BSR and the BHK-21 are respectively applied. In the MNA cell line, 1011 human serum samples were tested by RFFIT. The positive rate of positive detection in different detection systems was not statistically significant, and the P value was greater than 0.05. The geometric mean (GMT) difference of positive samples under different detection systems was not statistically significant. and the P value is greater than 0.05; no The correlation of the test results with the detection system is good, the correlation coefficient r is greater than 0.75, and the influence of different operating environments on the RFFIT detection results is that the CVS-11 strains and the B are applied by the same operators in different geographic locations and different operating environments In the HK-21 cell line, the above-mentioned positive human serum samples were subjected to RFFIT detection, and the results of the test and the original laboratory ring The difference between the results obtained in the context of the detection was not statistically significant, and the P value was greater than 0.05. 5. The self-prepared Alexa 488 standard was used. Evaluation of the efficacy of the RFIIT detection system after the anti-rabies virus nucleoprotein monoclonal antibody: The detection of 200 serum samples shows the use of the self-prepared Alexa 488-labeled anti-rabies virus nucleoprotein monoclonal antibody and the imported monoclonal antibody Millipore The difference of DFA 5100 was not statistically significant, and the correlation coefficient r = 0.980. 6.M-ABT method was established and the preliminary application results were analyzed: 10 rabies vaccines to be tested were tested by M-ABT method, and the results showed that the antigen content in the vaccine and the results of NIH method The difference was not statistically significant and had a good correlation, and the correlation coefficient r = 0. 9 27. It is suggested that the M-ABT method can be used to monitor the change of the titer of the rabies vaccine antigen. the detection safety is increased by the laboratory detection of the rabies virus and the antibody, Using the common BHK-21, the MNA cell line makes it possible to establish and apply the detection technique to more laboratories; 2. The effect of different operating environments on the RFFIT detection results is not clear, and therefore, the same The same test system was used by the batch operators to balance the results of the RFFIT detection in different laboratories and be credible; The self-prepared Alexa488-labeled anti-rabies nucleoprotein monoclonal antibody can be used for domestic RFFIT detection; 4.M-ABT method has been established for killing live rabies
【學(xué)位授予單位】:山西醫(yī)科大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2011
【分類(lèi)號(hào)】:R392
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