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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Sci+Rep
2017 ; 7
(1
): 4601
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Label Free Detection of Sensitive Mid-Infrared Biomarkers of Glomerulonephritis
in Urine Using Fourier Transform Infrared Spectroscopy
#MMPMID28676642
Yu MC
; Rich P
; Foreman L
; Smith J
; Yu MS
; Tanna A
; Dibbur V
; Unwin R
; Tam FWK
Sci Rep
2017[Jul]; 7
(1
): 4601
PMID28676642
show ga
More reliable biomarkers using near-patient technologies are needed to improve
early diagnosis and intervention for patients with renal disease. Infrared (IR)
vibrational spectroscopy/microspectroscopy is an established analytical method
that was first used in biomedical research over 20 years ago. With the advances
in instrumentation, computational and mathematical techniques, this technology
has now been applied to a variety of diseases; however, applications in
nephrology are just beginning to emerge. In the present study, we used attenuated
total reflectance Fourier transform infrared (ATR-FTIR) spectroscopy to analyze
urine samples collected from rodent models of inflammatory glomerulonephritis
(GN) as well as from patients with crescentic GN, with the aim of identifying
potential renal biomarkers; several characteristic mid-IR spectral markers were
identified in urine samples. Specifically, a 1545?cm(-1) band increased in
intensity with the progression and severity of GN in rats, mice and humans.
Furthermore, its intensity declined significantly in response to corticosteroid
treatment in nephritic rats. In conclusion, our results suggest that specific
urinary FTIR biomarkers may provide a rapid, sensitive and novel non-invasive
means of diagnosing inflammatory forms of GN, and for real-time monitoring of
progress, and response to treatment.
|Adrenal Cortex Hormones/administration & dosage/therapeutic use
[MESH]