Transplantation proceedings · 2015
Serum miR-338-5p, soluble B-cell-activating factor, allo-antibodies, and renal transplantation.
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Xu H, Ma X, He X, Dong P, Xue D, Zhang Y, Zhang X
Аннотация
BACKGROUND: The objective of the study was to explore the expression features of serum miR-338-5p and soluble B-cell-activating factor (sBAFF) in renal transplant recipients.
METHODS: Follow-up renal transplant recipients (n = 49) were enrolled in this study (male/female: 38/11). Healthy volunteers were controlled; 2 mL of peripheral blood from each subject was collected. Total RNA was extracted from serum by use of the miRNeasy Serum/Plasma Kit (QIAGEN), and miR-338-5p was amplified by means of quantitative real-time reverse transcriptase-polymerase chain reaction. sBAFF was detected by means of enzyme-linked immunoassay. LABScreen Mix (LSM12) (One Lambda) was used to test the level of anti-human leukocyte antigen (HLA) I antibody (Ab), anti-HLA II Ab, and anti-major histocompatibility complex class I chain-related A (MICA) Ab. All data are shown as mean ± SD and were analyzed by use of SPSS software 17.0.
RESULTS: Compared with healthy volunteers, serum miR-338-5p in recipients was statistically downregulated (2.79 ± 2.5 versus 0.09 ± 0.12, P < .001); sBAFF in recipients was significantly upregulated (1321 ± 950 pg/mL versus 534 ± 327 pg/mL, P < .01); serum anti-HLAII Ab, anti-MICA Ab, and anti-HLA+MICA Abs all statistically increased in recipients (P < .05). Spearman correlation analysis showed that miR-338-5p was significantly negatively correlated with sBAFF (r = -0.51, P < .001) and anti-HLA II antibody with mean fluorescence intensity value >1000 (r = -0.322, P < .05). Analysis results also suggested that sBAFF was significantly negatively correlated with anti-MICA Ab, with mean fluorescence intensity value >1000 (r = -0.579, P < .05).
CONCLUSIONS: miR-338-5p is closely correlated with the procedure of renal allograft antibody-mediated rejection.
METHODS: Follow-up renal transplant recipients (n = 49) were enrolled in this study (male/female: 38/11). Healthy volunteers were controlled; 2 mL of peripheral blood from each subject was collected. Total RNA was extracted from serum by use of the miRNeasy Serum/Plasma Kit (QIAGEN), and miR-338-5p was amplified by means of quantitative real-time reverse transcriptase-polymerase chain reaction. sBAFF was detected by means of enzyme-linked immunoassay. LABScreen Mix (LSM12) (One Lambda) was used to test the level of anti-human leukocyte antigen (HLA) I antibody (Ab), anti-HLA II Ab, and anti-major histocompatibility complex class I chain-related A (MICA) Ab. All data are shown as mean ± SD and were analyzed by use of SPSS software 17.0.
RESULTS: Compared with healthy volunteers, serum miR-338-5p in recipients was statistically downregulated (2.79 ± 2.5 versus 0.09 ± 0.12, P < .001); sBAFF in recipients was significantly upregulated (1321 ± 950 pg/mL versus 534 ± 327 pg/mL, P < .01); serum anti-HLAII Ab, anti-MICA Ab, and anti-HLA+MICA Abs all statistically increased in recipients (P < .05). Spearman correlation analysis showed that miR-338-5p was significantly negatively correlated with sBAFF (r = -0.51, P < .001) and anti-HLA II antibody with mean fluorescence intensity value >1000 (r = -0.322, P < .05). Analysis results also suggested that sBAFF was significantly negatively correlated with anti-MICA Ab, with mean fluorescence intensity value >1000 (r = -0.579, P < .05).
CONCLUSIONS: miR-338-5p is closely correlated with the procedure of renal allograft antibody-mediated rejection.