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2017 ; 18
(1
): 179
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Serum micro-rna profiles in patients with autosomal dominant polycystic kidney
disease according to hypertension and renal function
#MMPMID28558802
Kocyigit I
; Taheri S
; Sener EF
; Eroglu E
; Ozturk F
; Unal A
; Korkmaz K
; Zararsiz G
; Sipahioglu MH
; Ozkul Y
; Tokgoz B
; Oymak O
; Ecder T
; Axelsson J
BMC Nephrol
2017[May]; 18
(1
): 179
PMID28558802
show ga
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is a common
hereditary disorder with unclear disease mechanism. Currently, overt hypertension
and increased renal volume are the best predictors of renal function. In this
study, we assessed the usefulness of selected circulating microRNAs (miRs) to
predict disease progress in a cohort with ADPKD. METHODS: Eighty ADPKD patients
(44.6 ± 12.7 years, 40% female, 65% hypertensive) and 50 healthy subjects (HS;
45.4 ± 12.7, 44% female) were enrolled in the study. Serum levels of 384 miRs
were determined by Biomark Real Time PCR. Groups were compared using the limma
method with multiple-testing correction as proposed by Smyth (corrected p < 0.01
considered significant). RESULTS: Comparing ADPKD to HS, we found significant
differences in blood levels of 18 miRs (3 more and 15 less abundant). Of these,
miR-3907, miR-92a-3p, miR-25-3p and miR-21-5p all rose while miR-1587 and
miR-3911 decreased as renal function declined in both cross-sectional and
longitudinal analysis. Using ROC analysis, an increased baseline miR-3907 in the
circulation predicted a > 10% loss of GFR over the following 12 months (cut-off
>2.2 AU, sensitivity 83%, specificity 78%, area 0.872 [95% CI: 0.790-0.953,
p < 0.001]). Adjusting for age and starting CKD stage using multiple binary
logistic regression analysis did not abrogate the predictive value. CONCLUSION:
Increased copy numbers of miR-3907 in the circulation may predict ADPKD
progression and suggest pathophysiological pathways worthy of further study.