Circulating CTRP5 in rheumatoid arthritis: an exploratory biomarker study

Abstract Background Rheumatoid arthritis (RA) is an inflammatory disease that is characterized by the overproduction of cytokines. Among the newly discovered cytokines are the adipokines which are primarily produced by and released from the adipose tissue and some immune cells, as well as synovial c...

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Main Authors: Marjan Taherian, Simin Almasi, Saber Mehdizadeh, Banafshe Fazeli, Mahsa Kalantari, Paria Bayati, Salar Pashangzadeh, Nazanin Mojtabavi
Format: Article
Language:English
Published: BMC 2022-04-01
Series:BMC Rheumatology
Subjects:
Online Access:https://doi.org/10.1186/s41927-022-00254-2
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author Marjan Taherian
Simin Almasi
Saber Mehdizadeh
Banafshe Fazeli
Mahsa Kalantari
Paria Bayati
Salar Pashangzadeh
Nazanin Mojtabavi
author_facet Marjan Taherian
Simin Almasi
Saber Mehdizadeh
Banafshe Fazeli
Mahsa Kalantari
Paria Bayati
Salar Pashangzadeh
Nazanin Mojtabavi
author_sort Marjan Taherian
collection DOAJ
description Abstract Background Rheumatoid arthritis (RA) is an inflammatory disease that is characterized by the overproduction of cytokines. Among the newly discovered cytokines are the adipokines which are primarily produced by and released from the adipose tissue and some immune cells, as well as synovial cells. they are involved in various immune responses and inflammatory processes. However, there are controversial data regarding the pro-inflammatory or anti-inflammatory effects of adipokines in different conditions. C1q/TNF-related protein 5 (CTRP5) is a newly identified adipokine and adiponectin paralogous protein, which has been shown to be correlated with inflammatory diseases. Accordingly, the present study was designed to investigate the serum levels of CTRP5 in RA patients and evaluate any possible alterations in comparison to healthy individuals. Methods Serum CTRP-5 levels were measured in 46 patients and 22 healthy controls by ELISA. The demographic, laboratory, and clinical features of the patients were also evaluated in order to find any correlations. Results Serum levels of CTRP-5 were significantly (p < 0.0001) higher in patients with RA (14.88 ± 25.55) compared to healthy controls (4.262 ± 2.374). There was a significant correlation between serum CTRP-5 levels and triglyceride (TG) (r: − 0.3010, p: 0.0498), as well as erythrocyte sedimentation rate (ESR) (r: 0.3139, p: 0.0457), C-reactive protein (CRP) (r: 0.5140, p: 0.0008), and the number of white blood cells (WBC) (r: 0.3380, p: 0.0307), which are considered as the markers indicating the extent of inflammation. Moreover, CTRP-5 was found to be correlated with interstitial lung disease (ILD) (r: 0.3416, p: 0.0385), a comorbidity associated with RA disease. Conclusion This study demonstrated the increased level of circulating CTRP-5 in RA patients, which correlated with some inflammation-associated parameters and RA-associated comorbidities. Our observations suggest CTRP-5 as a putative inflammatory biomarker in RA, which may be useful besides the other disease-related markers.
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spelling doaj.art-6d5511c829bd4096a1983b876051a3e62022-12-22T02:35:38ZengBMCBMC Rheumatology2520-10262022-04-01611910.1186/s41927-022-00254-2Circulating CTRP5 in rheumatoid arthritis: an exploratory biomarker studyMarjan Taherian0Simin Almasi1Saber Mehdizadeh2Banafshe Fazeli3Mahsa Kalantari4Paria Bayati5Salar Pashangzadeh6Nazanin Mojtabavi7Department of Immunology, School of Medicine, Iran University of Medical SciencesRheumatology Research Center, Firuzgar Hospital, Iran University of Medical SciencesDepartment of Immunology, School of Medicine, Iran University of Medical SciencesDepartment of Immunology, School of Medicine, Iran University of Medical SciencesDepartment of Immunology, School of Medicine, Iran University of Medical SciencesDepartment of Immunology, School of Medicine, Iran University of Medical SciencesDepartment of Immunology, School of Medicine, Iran University of Medical SciencesDepartment of Immunology, School of Medicine, Iran University of Medical SciencesAbstract Background Rheumatoid arthritis (RA) is an inflammatory disease that is characterized by the overproduction of cytokines. Among the newly discovered cytokines are the adipokines which are primarily produced by and released from the adipose tissue and some immune cells, as well as synovial cells. they are involved in various immune responses and inflammatory processes. However, there are controversial data regarding the pro-inflammatory or anti-inflammatory effects of adipokines in different conditions. C1q/TNF-related protein 5 (CTRP5) is a newly identified adipokine and adiponectin paralogous protein, which has been shown to be correlated with inflammatory diseases. Accordingly, the present study was designed to investigate the serum levels of CTRP5 in RA patients and evaluate any possible alterations in comparison to healthy individuals. Methods Serum CTRP-5 levels were measured in 46 patients and 22 healthy controls by ELISA. The demographic, laboratory, and clinical features of the patients were also evaluated in order to find any correlations. Results Serum levels of CTRP-5 were significantly (p < 0.0001) higher in patients with RA (14.88 ± 25.55) compared to healthy controls (4.262 ± 2.374). There was a significant correlation between serum CTRP-5 levels and triglyceride (TG) (r: − 0.3010, p: 0.0498), as well as erythrocyte sedimentation rate (ESR) (r: 0.3139, p: 0.0457), C-reactive protein (CRP) (r: 0.5140, p: 0.0008), and the number of white blood cells (WBC) (r: 0.3380, p: 0.0307), which are considered as the markers indicating the extent of inflammation. Moreover, CTRP-5 was found to be correlated with interstitial lung disease (ILD) (r: 0.3416, p: 0.0385), a comorbidity associated with RA disease. Conclusion This study demonstrated the increased level of circulating CTRP-5 in RA patients, which correlated with some inflammation-associated parameters and RA-associated comorbidities. Our observations suggest CTRP-5 as a putative inflammatory biomarker in RA, which may be useful besides the other disease-related markers.https://doi.org/10.1186/s41927-022-00254-2Rheumatoid ArthritisCTRP5AdipokineInflammationILD
spellingShingle Marjan Taherian
Simin Almasi
Saber Mehdizadeh
Banafshe Fazeli
Mahsa Kalantari
Paria Bayati
Salar Pashangzadeh
Nazanin Mojtabavi
Circulating CTRP5 in rheumatoid arthritis: an exploratory biomarker study
BMC Rheumatology
Rheumatoid Arthritis
CTRP5
Adipokine
Inflammation
ILD
title Circulating CTRP5 in rheumatoid arthritis: an exploratory biomarker study
title_full Circulating CTRP5 in rheumatoid arthritis: an exploratory biomarker study
title_fullStr Circulating CTRP5 in rheumatoid arthritis: an exploratory biomarker study
title_full_unstemmed Circulating CTRP5 in rheumatoid arthritis: an exploratory biomarker study
title_short Circulating CTRP5 in rheumatoid arthritis: an exploratory biomarker study
title_sort circulating ctrp5 in rheumatoid arthritis an exploratory biomarker study
topic Rheumatoid Arthritis
CTRP5
Adipokine
Inflammation
ILD
url https://doi.org/10.1186/s41927-022-00254-2
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