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2017 ; 58
(2
): 401-406
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The Level of Serum and Urinary Nephrin in Normal Pregnancy and Pregnancy with
Subsequent Preeclampsia
#MMPMID28120572
Jung YJ
; Cho HY
; Cho S
; Kim YH
; Jeon JD
; Kim YJ
; Lee S
; Park J
; Kim HY
; Park YW
; Kwon JY
Yonsei Med J
2017[Mar]; 58
(2
): 401-406
PMID28120572
show ga
PURPOSE: The aim of this study was to evaluate serum and urinary nephrin levels
of normal pregnancy to establish a standard reference value and to compare them
with patients who subsequently developed preeclampsia (PE). MATERIALS AND
METHODS: In this prospective study, 117 healthy singleton pregnancies were
enrolled between 6 to 20 weeks of gestation at 2 participating medical centers
during October 2010 to March 2012. Urine and serum samples were collected at the
time of enrollment, each trimester, and at 4 to 6 weeks postpartum. Enzyme-linked
immunosorbent assay for nephrin was performed and samples from patients who
subsequently developed PE were compared to the normal patients. RESULTS: Of 117
patients initially enrolled, 99 patients delivered at the study centers and of
those patients, 12 (12.1%) developed PE at a median gestational age of 34?? weeks
(range 29??-36??). In the normal patients (n=68), serum nephrin level decreased
and urinary nephrin level increased during the latter of pregnancy. In 12
patients who subsequently developed PE, a significant rise in the 3rd trimester
serum and urinary nephrin levels, compared to the controls, was observed
(p<0.001), and this increase occurred 9 days prior to the onset of clinical
disease. CONCLUSION: As the onset of PE was preceded by the rise in the serum and
urinary nephrin in comparison to normal pregnancy, serum and urinary nephrin may
be a useful predictive marker of PE.