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“仁捷生物”产品文献:Clinical Value of Asymmetrical Dimethylarginine Detection in Patients with Connective Tissue Disease-Associated Pulmonary Arterial Hypertension

发布时间:2019/8/27 9:05:07      阅读次数:26

 “仁捷生物”产品文献:Clinical Value of Asymmetrical Dimethylarginine Detection in Patients with Connective Tissue Disease-Associated Pulmonary Arterial Hypertension

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Juan Liu , Qiang Fu, Lili Jiang, and Youlian Wang
Department of Rheumatology, Jiangxi Provincial People’s Hospital, Nanchang 330006, China
Correspondence should be addressed to Youlian Wang; wyl5639@sina.com
Received 4 April 2019; Revised 29 May 2019; Accepted 27 July 2019; Published 14 August 2019
Guest Editor: Yan Yang
Copyright © 2019 Juan Liu et al.-is is an open access article distributed under the Creative Commons Attribution License, which
permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objective。 To evaluate the clinical value of serum asymmetrical dimethylarginine (ADMA) in patients with connective tissue
disease- (CTD-) associated pulmonary arterial hypertension (PAH). Methods. 88 patients with CTD were recruited between
December 2017 and August 2018 in Jiangxi Provincial People’s Hospital. Patients were further divided into two groups: CTD
without PAH (n = 45 cases) and CTD-with PAH (n = 43 cases), according to the pulmonary systolic blood pressure measured by
echocardiography. 40 healthy controls were also included (n =40 cases)。 -e clinical data, including laboratory examinations,
echocardiographic measurements, pulmonary function, and serum ADMA levels determined by enzyme-linked immunosorbent
assay, (ELISA) were collected。 -e correlation between ADMA levels and the occurrence of PAH, pulmonary function, and other
laboratory indexes in CTD patients were analyzed. Statistical analyses were performed by SPSS (version 23); P < 0.05 was
considered statistically signifificant. Results. -e serum levels of ADMA in the CTD-PAH group were signifificantly higher than
those of the CTD-without PAH group and healthy control group (P < 0。05); the serum ADMA levels were (0。706 ± 0.153 μmol/L),
(1。015 ± 0.122 μmol/L), and (0.661 ± 0.113 μmol/L), respectively. -ere was no signifificant difffference between the CTD-without
PAH group and healthy control group (P < 0。05)。 Correlation analysis showed that serum ADMA levels were positively correlated
with sPAP and NT-proBNP and negatively correlated with DLCO% (r =0.802, 0.475, 0.585, P < 0.001). Multivariate analysis
indicated that elevated serum ADMA levels increased the risk for the appearance of PAH in CTD patients (OR =57。460,
P < 0.001). Using the receiver operating characteristic (ROC) curve analysis, at the cutoffff level of 0.810 μmol/L, ADMA showed
good diagnostic effiffifficacy as follows: sensitivity was 97。7%, specifificity was 75。6%, and the area under the curve (AUC) was 0。947
(P < 0.001)。 Conclusion。 Increased ADMA levels are independently associated with the presence and severity of PAH in CTD
patients. -e levels of ADMA in the serum may contribute to be a noninvasive indicator for early diagnosis of CTD-with PAH patients.
 

Blood samples for measurement of serum ADMA concentrations were naturally coagulated at room temperature for 20 minutes and centrifuged for about 20 minutes (3000 rpm), and the supernatants were stored in 1 mL aliquots at −80°C until further use. Concentration of ADMA was measured in serum samples by using an enzyme immunoassay ELISA kit provided by Shanghai Renjie Biotechnology Co., Ltd. The whole detection process was completed in strict accordance with the operating instructions. The absorbance (OD) was measured at 450 nm by using a Microplate reader, and each sample was duplicated.

 

文献链接:https://www。hindawi。com/journals/crp/2019/3741909/

产品链接:

http://www.ktbdkj.com/product/detail/7685.html

 

ELISA试剂盒:人不对称二甲基精氨酸(ADMA)ELISA试剂盒 

产品货号:RJ11983

 

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