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1.
Chinese Journal of Immunology ; (12): 65-70, 2018.
Article Dans Chinois | WPRIM | ID: wpr-702675

Résumé

Objective:The polyclonal antibody of aldosterone (ALD) for immunoassay was developed.And a chemiluminescence immunoassay (CLIA) for the determination of ALD in human blood was established.Methods:Aldosterone oxime was prepared by chemical modification and then conjugated with BSA to prepare immunogen.Rabbit anti ALD polyclonal antibody was prepared by immunizing rabbits with the ALD-BSA.The CLIA of ALD was performed using biotin streptavidin amplification system and competition method.Results:After identification,rabbit No.3 received the highest sensitivity to ALD antibody,and the 50% binding inhibition (IC50) value for ALD concentration was 268 pg/ml.The measuring range of CLIA method using the antibody was 62.5-2 000 pg/ml.The assay sensitivity was 23.7 pg/ml.The intra-and inter-assay coefficients of variation were 6.9%-9.5% and 8.5%-12.7%,respectively.Analytical recovery rate was in the range of 93.1%-104.1%.The correlation coefficient between measured and expected values were 0.996 after serial dilution.Compared with radioimmunoassay kit,the correlative equation was y =0.932x+4.596,the correlation coefficient was 0.948 (n =95).Conclusion:The result of methodological identification shows that it was in line with the basic requirements of clinical application.

2.
Chinese Journal of Medical Genetics ; (6): 415-419, 2013.
Article Dans Chinois | WPRIM | ID: wpr-237236

Résumé

<p><b>OBJECTIVE</b>To assess the value of fluorescence in situ hybridization (FISH) and bacterial artificial chromosome FISH (BAC-FISH) for the diagnosis for patients with marker chromosomes.</p><p><b>METHODS</b>Sixteen patients with marker chromosomes were analyzed with technologies including GTG-banding, Q-banding, multiplex FISH and BAC-FISH.</p><p><b>RESULTS</b>The marker chromosomes in the 16 patients were verified as der(Y) (2 cases), psu dic(Y) (1 case), psu dic(15) (1 case), dic(15) (1 case), del(Y) (1 case), r(X) (5 cases), i(14 or 22) (2 cases), i(18) (1 case).</p><p><b>CONCLUSION</b>FISH and BAC-FISH can both verify the origin of marker chromosomes and provide accurate information for the diagnosis and treatment of patients.</p>


Sujets)
Adolescent , Adulte , Enfant , Femelle , Humains , Mâle , Jeune adulte , Aberrations des chromosomes , Maladies génétiques congénitales , Diagnostic , Génétique , Marqueurs génétiques , Génétique , Hybridation fluorescente in situ , Méthodes
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