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2014 ; 1
(ä): 533-543
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gab.com Text
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English Wikipedia
Four sulfur mustard exposure cases: Overall analysis of four types of biomarkers
in clinical samples provides positive implication for early diagnosis and
treatment monitoring
#MMPMID28962267
Xu H
; Nie Z
; Zhang Y
; Li C
; Yue L
; Yang W
; Chen J
; Dong Y
; Liu Q
; Lin Y
; Wu B
; Feng J
; Li H
; Guo L
; Xie J
Toxicol Rep
2014[]; 1
(ä): 533-543
PMID28962267
show ga
In one event, Chinese male individuals accidentally exposed to unknown chemicals
and emerged erythema or blisters on contacted organism derma, then hospitalized.
To identify the causative agents, blood, urine and exudate samples were collected
from the patients during the therapeutic course. Five established liquid
chromatography-mass spectrometry (LC-MS) and gas chromatography (GC)-MS methods
were employed to analyze the samples. Here, an overall analysis of four types of
sulfur mustard biomarkers, including the hydrolysis/oxidation products, ?-lyase
metabolites, DNA adducts and hemoglobin adducts, was conducted toward the samples
from exposed individuals. The results of all the four types of biomarkers in
different biomedical matrices showed high relevance, and verified that this
exposure is indeed originated from sulfur mustard. The concentrations of the
biomarkers in specimens revealed a good correlation with the severity of the
patient's symptom. The concentration-time profile demonstrated that most of the
biomarkers quickly achieved maximum at the beginning of the course, and then
decreased and kept a detectable level until the 7th day after exposure. The DNA
adducts in urine samples still appeared on the 30th day, and the N-terminal
valine adducts in hemoglobin could be monitored for over 90 days, which was
meaningful for the concurrent study of clinical samples. To the best of our
knowledge, this work provides the total analysis and profile of four categories
of biomarkers in human specimens for the first time, and the good accordance
between concentration and level of burns, between time course and biomarkers will
be of great importance for early diagnosis and medical treatment monitoring of
sulfur mustard exposure.