ArticleClinical rheumatology2018
Toll-like receptor 9 in systemic sclerosis patients: relation to modified Rodnan skin score, disease severity, and functional status.
Article in Clinical rheumatology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 13 citations in OpenAlex.
- Anti-Th/To Antibodies in Scleroderma: Good Prognosis or Serious Concern?Journal of clinical medicine · 2024Review
- Mitochondrial DNA Sensing Pathogen Recognition Receptors in Systemic Sclerosis Associated Interstitial Lung Disease: A Review.Current treatment options in rheumatology · 2023Article
- Fibronectin-EDA accumulates via reduced ubiquitination downstream of Toll-like receptor 9 activation in SSc-ILD fibroblasts.American journal of physiology. Lung cellular and molecular physiology · 2022Article
- Emerging targets of disease-modifying therapy for systemic sclerosis.Nature reviews. Rheumatology · 2019Review
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The objective of this study is to assess toll-like receptor-9 (TLR9) expression in CD3-positive T lymphocytes and CD19-positive B lymphocytes in systemic sclerosis (SSc) patients and to study their relation to the extent of skin fibrosis, disease characteristics, and severity as well as the functional status. Fifty-five female SSc patients and 30 matched controls were included. Skin thickness was scored according to the modified Rodnan skin score (mRss). The severity of major organ involvement was assessed using the Medsger severity score (MSS). Scleroderma health assessment questionnaire (SHAQ) was measured to evaluate patients' functional status. Expression of TLR9 in CD3-positive T lymphocytes and CD19-positive B lymphocytes was studied using flow cytometry. The mean age of the patients was 40.5 ± 9.1 years, and their disease duration was 6.7 ± 3.3 years. There were 21 (38.2%) with diffuse (dcSSc) and 34 (61.8%) with limited cutaneous (lcSSc) subtypes. There was a significant increase in the expression of TLR9/CD3 and TLR9/CD19 in the SSc patients (44.9 ± 18.1 and 24.1 ± 9.6) compared to that in the control (1.4 ± 0.97 and 1.3 ± 0.94; p < 0.0001 for both, respectively) being higher in those with dcSSc. TLR9/CD3 expression was significantly increased in SSc patients with arthralgia/arthritis and digital resorption compared to those without. The TLR9/CD3 significantly correlated with the mRss and MSS (r = 0.37, p = 0.006 and r = 0.31, p = 0.02; respectively). Both the TLR9/CD3 and TLR9/CD19 expressions were significantly correlating (r = 0.53, p < 0.0001). On regression analysis, only TLR9/CD3 was a significant risk factor of the mRss and MSS (β = 0.43, p = 0.009 and β = 0.33, p = 0.015, respectively). TLR9, especially TLR9/CD3, is highly expressed in SSc patients particularly those with dcSSc subtype and could form a potential marker for skin fibrosis and disease severity.
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