Objective To compare Luminex vs.ELISA methods in detecting HLA antibodies in kidney transplant recipients and their relation to acute rejection.Method Blood samples from 34 kidney transplant recipients were collected and the HLA antibodies were detected by both Luminex and ELISA methods.The sensitivity and specificity of both methods for predicting the development of acute rejection were analyzed.Results Fourteen recipients (14/34,41.17％) positive for HLA class Ⅰ antibodies were detected by using Luminex method,whereas only 1 case (1/34,2.9％) was detected with positive HLA class Ⅰ antibodies by ELISA method (P＜0.05).Similarly,13 recipients (13/34,38.24％) positive for HLA class Ⅱ antibodies were detected by using Luminex method,whereas the positive rate of HLA class Ⅱ antibodies by using ELISA method was 8.8％ (3/34,P＜0.05).The sensitivity and specificity of Luminex method for predicting the acute rejection were 80％ and 92.3％ respectively,in comparison to 30％ and 77.4％ respectively by ELISA method.Conclusion Compared to the traditional ELISA-based method,Luminex method has a better sensitivity and specificity for predicting the development of acute rejection.

Objective To detect de novo development of anti-HLA antibodies after renal transplantation, and to investigate their influence on graft function. Methods 384 kidney recipients,who were negative for anti-HLA antibody before transplantation, were monitored for anti-HLA antibodies over a period of 3-96 months, and a sensitive enzyme-linked immunosorbent assay (ELISA) was used to detect anti-HLA antibodies. HLA antibody ＞10 % was defined as positive levels. Results Among 384 recipients tested, 318 recipients (82. 8 %) were negative for anti-HLA antibody after transplantation; 66 recipients (17. 2 %) developed de novo HLA antibodies, 3 recipients with HLA class Ⅰ, 61 with HLA class Ⅱ, 2 with both HLA class Ⅰ and Ⅱ. According to amino acid residue matching, 7 cases developed de novo antibodies among 92 recipients with 0 HLA-DR mismatches,compared with 59 cases among 292 recipients with 1-2 mismatches, which showed significant difference between two groups (P＜0. 01 ). 87. 4 % (278/318) recipients negative for HLA antibodies after transplantation achieved good graft function, in comparison with 65. 2 % (43/66) recipients positive for HLA antibodies (P＜0. 05). Conclusion De novo production of HLA antibodies posttransplantation may be closely associated with HLA-DR mismatch. De novo HLA antibodies posttransplantation might damage graft function and reduce graft survival rate. The detection of de novo development of anti-HLA antibodies after renal transplantation has clinical significance for assessing renal allograft function.

Objective To analyze the clinical application of donor specific antibodies (DSAs) detected by a single antigen Luminex virtual crossmatch,and to discuss the treatment of DSA and the impact of DSA on renal function.Methods Serum from living-relative renal recipients before and after transplantation was investigated using a Luminex single antigen assay.The relation between DSA and renal acute rejection as well as renal function was analyzed.Results A total of 30 patients and 173 serum samples were tested,including 47 serum samples before transplantation,and 126 after transplantation.DSA was positive in one patient before transplantation,and 8 patients after transplantation.Three of the patients positive for DSA were treated by Bortezomib,3 by addition of MMF,2 by addition of CNI,1 by addition of Sirolimus.The MFI of DSA in one of the patients treated by Bortezomib was decreased to below 1000,while that in the other two decreased by more than 50 ％.The renal eGFR at the time with and without DSA was (1.50 ± 0.59) and (1.23 ± 0.38)ml/s respectively (P＜0.05).Conclusion Dynamic monitoring of single bead antigen antibody DSA conduces to direct the adjustment of immunosuppressant.The appearance of DSA contributes to the declination of renal function.Application of Bortezomib decreased the MFI of DSA.

Objective To analyze the clinical value of the second generation hybrid capture nucleic acid detection kit (DH3) of human papillomavirus (HPV) in screening cervical cancer and precancerous lesions.Methods The cervical exfoliated cell samples of 480 women in gynecologic clinic were collected and detected by DH3,TCT and HPV-PCR.Colposcopic pathological examination was performed in women with TCT ≥ ASC-US.With the pathological results as the golden standard,the diagnostic value of DH3 was analyzed.Results The pathological results showed that 370 cases were normal (77.08％),59 cases had benign lesions (≤CIN Ⅰ) (12.29％) and 51 were high-risk cases (≥CIN Ⅱ) (10.63％).The positive diagnostic rates of TCT,HPV-PCR and DH3 were 26.04％,32.08％ and 27.08％,respectively.The concordancerate of DH3 and TCT was 94.79％ (P ＜ 0.01),and the concordance rate with HPV-PCR was 93.13％ (P ＜ 0.01).The sensitivity,specificity,positive predictive value,negative predictive value and accuracy rate of DH3 were 98.18％,87.57％,70.13％,99.39％ and 90％,respectively.The ROC area of detection of high-risk (CIN Ⅱ) was Z =0.887 (95 ％ CI 0.785 ～ 0.918,P ＜ 0.01).Conclusion DH3 kit has a high degree of consistency with TCT and HPV-PCR in the detection of HPV cervical cancer and precancerous lesions.The sensitivity,specificity and accuracy are high,and it is easy to operate.

Objective To analyze the clinical value of the second generation hybrid capture nucleic acid detection kit (DH3) of human papillomavirus (HPV) in screening cervical cancer and precancerous lesions.Methods The cervical exfoliated cell samples of 480 women in gynecologic clinic were collected and detected by DH3,TCT and HPV-PCR.Colposcopic pathological examination was performed in women with TCT ≥ ASC-US.With the pathological results as the golden standard,the diagnostic value of DH3 was analyzed.Results The pathological results showed that 370 cases were normal (77.08％),59 cases had benign lesions (≤CIN Ⅰ) (12.29％) and 51 were high-risk cases (≥CIN Ⅱ) (10.63％).The positive diagnostic rates of TCT,HPV-PCR and DH3 were 26.04％,32.08％ and 27.08％,respectively.The concordancerate of DH3 and TCT was 94.79％ (P ＜ 0.01),and the concordance rate with HPV-PCR was 93.13％ (P ＜ 0.01).The sensitivity,specificity,positive predictive value,negative predictive value and accuracy rate of DH3 were 98.18％,87.57％,70.13％,99.39％ and 90％,respectively.The ROC area of detection of high-risk (CIN Ⅱ) was Z =0.887 (95 ％ CI 0.785 ～ 0.918,P ＜ 0.01).Conclusion DH3 kit has a high degree of consistency with TCT and HPV-PCR in the detection of HPV cervical cancer and precancerous lesions.The sensitivity,specificity and accuracy are high,and it is easy to operate.

Rats ; Animals ; Myocardial Reperfusion Injury/metabolism* ; Luteolin/metabolism* ; Down-Regulation ; Rats, Sprague-Dawley ; MicroRNAs/metabolism* ; Reperfusion Injury ; Apoptosis