Romatoid artit hastalari{dotless}nda artmi{dotless}ş CD8+ IL-17+ Tc17 düzeyleri ve hastali{dotless}k aktivitesi ile olan İlişkisi

Translated title of the contribution: Elevated CD8+ IL-17+ Tc17 levels and their correlation with disease activity in patients with rheumatoid arthritis

Ning Li, Jie Han, Jie Ru Zhou, Jia Yi Wang, Jie Zhang, Song Guo Zheng

Research output: Contribution to journalArticle

Abstract

Objectives: In this study, we aimed to determine the role of CD8+IL-17+ double-positive T cells (Tc17) in the pathogenesis and activity of rheumatoid arthritis (RA). Patients and methods: The frequency and distribution of the Tc17 cells were identified using double immunofluorescent staining in peripheral blood mononuclear cells (PBMCs), synovial fluid mononuclear cells (SFMCs), and synovial tissues in RA patients. Soluble interleukin (IL)-17 levels were measured using the enzyme-linked immunosorbent assay (ELISA). Real-time polymerase chain reaction (PCR) was used to determine the IL-17 messenger ribonucleic acid (mRNA) in CD8+ T cells. The correlation between the Tc17 cells and RA clinical parameters, including C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), and Disease Activity Score 28 (DAS 28), a test used for the evaluation of the 28 commonly affected joints in RA, was analyzed. Results: The frequency of Tc17 in the PBMCs of the RA patients was higher compared to the healthy controls. The frequency of Tc17 cells in the SFMCs of the RA patients was also higher than that found in the RA PBMCs and OA SFMCs. The IL-17 mRNA expression in the RA CD8+ T cells was significantly higher than in the healthy controls. The levels of soluble IL-17 in the sera and synovial fluid of the RA patients were significantly higher than those of the healthy control and OA groups. There was a significant positive correlation between the frequency of Tc17 cells in the SFMCs and DAS 28 scores in the RA patients. Conclusion: Our study results strongly demonstrated that a new Tc17 subset existed in RA patients and its frequency was significantly correlated with the disease activity of RA patients. Thus, our study suggests that Tc17 cells along with other IL-17- producing cells, may play an important role in the pathogenesis of RA.

Original languageTurkish
Pages (from-to)87-95
Number of pages9
JournalTurkish Journal of Rheumatology
Volume28
Issue number2
DOIs
StatePublished - Jun 19 2013

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Interleukin-17
Rheumatoid Arthritis
Synovial Fluid
Blood Cells
T-Lymphocytes
RNA
Rheumatoid Factor
Blood Sedimentation
C-Reactive Protein
Real-Time Polymerase Chain Reaction
Joints

All Science Journal Classification (ASJC) codes

  • Rheumatology

Cite this

Li, Ning ; Han, Jie ; Zhou, Jie Ru ; Wang, Jia Yi ; Zhang, Jie ; Zheng, Song Guo. / Romatoid artit hastalari{dotless}nda artmi{dotless}ş CD8+ IL-17+ Tc17 düzeyleri ve hastali{dotless}k aktivitesi ile olan İlişkisi. In: Turkish Journal of Rheumatology. 2013 ; Vol. 28, No. 2. pp. 87-95.
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title = "Romatoid artit hastalari{dotless}nda artmi{dotless}ş CD8+ IL-17+ Tc17 d{\"u}zeyleri ve hastali{dotless}k aktivitesi ile olan İlişkisi",
abstract = "Objectives: In this study, we aimed to determine the role of CD8+IL-17+ double-positive T cells (Tc17) in the pathogenesis and activity of rheumatoid arthritis (RA). Patients and methods: The frequency and distribution of the Tc17 cells were identified using double immunofluorescent staining in peripheral blood mononuclear cells (PBMCs), synovial fluid mononuclear cells (SFMCs), and synovial tissues in RA patients. Soluble interleukin (IL)-17 levels were measured using the enzyme-linked immunosorbent assay (ELISA). Real-time polymerase chain reaction (PCR) was used to determine the IL-17 messenger ribonucleic acid (mRNA) in CD8+ T cells. The correlation between the Tc17 cells and RA clinical parameters, including C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), and Disease Activity Score 28 (DAS 28), a test used for the evaluation of the 28 commonly affected joints in RA, was analyzed. Results: The frequency of Tc17 in the PBMCs of the RA patients was higher compared to the healthy controls. The frequency of Tc17 cells in the SFMCs of the RA patients was also higher than that found in the RA PBMCs and OA SFMCs. The IL-17 mRNA expression in the RA CD8+ T cells was significantly higher than in the healthy controls. The levels of soluble IL-17 in the sera and synovial fluid of the RA patients were significantly higher than those of the healthy control and OA groups. There was a significant positive correlation between the frequency of Tc17 cells in the SFMCs and DAS 28 scores in the RA patients. Conclusion: Our study results strongly demonstrated that a new Tc17 subset existed in RA patients and its frequency was significantly correlated with the disease activity of RA patients. Thus, our study suggests that Tc17 cells along with other IL-17- producing cells, may play an important role in the pathogenesis of RA.",
author = "Ning Li and Jie Han and Zhou, {Jie Ru} and Wang, {Jia Yi} and Jie Zhang and Zheng, {Song Guo}",
year = "2013",
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Romatoid artit hastalari{dotless}nda artmi{dotless}ş CD8+ IL-17+ Tc17 düzeyleri ve hastali{dotless}k aktivitesi ile olan İlişkisi. / Li, Ning; Han, Jie; Zhou, Jie Ru; Wang, Jia Yi; Zhang, Jie; Zheng, Song Guo.

In: Turkish Journal of Rheumatology, Vol. 28, No. 2, 19.06.2013, p. 87-95.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Romatoid artit hastalari{dotless}nda artmi{dotless}ş CD8+ IL-17+ Tc17 düzeyleri ve hastali{dotless}k aktivitesi ile olan İlişkisi

AU - Li, Ning

AU - Han, Jie

AU - Zhou, Jie Ru

AU - Wang, Jia Yi

AU - Zhang, Jie

AU - Zheng, Song Guo

PY - 2013/6/19

Y1 - 2013/6/19

N2 - Objectives: In this study, we aimed to determine the role of CD8+IL-17+ double-positive T cells (Tc17) in the pathogenesis and activity of rheumatoid arthritis (RA). Patients and methods: The frequency and distribution of the Tc17 cells were identified using double immunofluorescent staining in peripheral blood mononuclear cells (PBMCs), synovial fluid mononuclear cells (SFMCs), and synovial tissues in RA patients. Soluble interleukin (IL)-17 levels were measured using the enzyme-linked immunosorbent assay (ELISA). Real-time polymerase chain reaction (PCR) was used to determine the IL-17 messenger ribonucleic acid (mRNA) in CD8+ T cells. The correlation between the Tc17 cells and RA clinical parameters, including C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), and Disease Activity Score 28 (DAS 28), a test used for the evaluation of the 28 commonly affected joints in RA, was analyzed. Results: The frequency of Tc17 in the PBMCs of the RA patients was higher compared to the healthy controls. The frequency of Tc17 cells in the SFMCs of the RA patients was also higher than that found in the RA PBMCs and OA SFMCs. The IL-17 mRNA expression in the RA CD8+ T cells was significantly higher than in the healthy controls. The levels of soluble IL-17 in the sera and synovial fluid of the RA patients were significantly higher than those of the healthy control and OA groups. There was a significant positive correlation between the frequency of Tc17 cells in the SFMCs and DAS 28 scores in the RA patients. Conclusion: Our study results strongly demonstrated that a new Tc17 subset existed in RA patients and its frequency was significantly correlated with the disease activity of RA patients. Thus, our study suggests that Tc17 cells along with other IL-17- producing cells, may play an important role in the pathogenesis of RA.

AB - Objectives: In this study, we aimed to determine the role of CD8+IL-17+ double-positive T cells (Tc17) in the pathogenesis and activity of rheumatoid arthritis (RA). Patients and methods: The frequency and distribution of the Tc17 cells were identified using double immunofluorescent staining in peripheral blood mononuclear cells (PBMCs), synovial fluid mononuclear cells (SFMCs), and synovial tissues in RA patients. Soluble interleukin (IL)-17 levels were measured using the enzyme-linked immunosorbent assay (ELISA). Real-time polymerase chain reaction (PCR) was used to determine the IL-17 messenger ribonucleic acid (mRNA) in CD8+ T cells. The correlation between the Tc17 cells and RA clinical parameters, including C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), and Disease Activity Score 28 (DAS 28), a test used for the evaluation of the 28 commonly affected joints in RA, was analyzed. Results: The frequency of Tc17 in the PBMCs of the RA patients was higher compared to the healthy controls. The frequency of Tc17 cells in the SFMCs of the RA patients was also higher than that found in the RA PBMCs and OA SFMCs. The IL-17 mRNA expression in the RA CD8+ T cells was significantly higher than in the healthy controls. The levels of soluble IL-17 in the sera and synovial fluid of the RA patients were significantly higher than those of the healthy control and OA groups. There was a significant positive correlation between the frequency of Tc17 cells in the SFMCs and DAS 28 scores in the RA patients. Conclusion: Our study results strongly demonstrated that a new Tc17 subset existed in RA patients and its frequency was significantly correlated with the disease activity of RA patients. Thus, our study suggests that Tc17 cells along with other IL-17- producing cells, may play an important role in the pathogenesis of RA.

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