Rheumatoid arthritis (RA) is a complex multifactorial autoimmune disease characterized by inflammatory arthritis. The precise etiology and pathogenesis of RA remains elusive but evidence points towards stochastic interactions between genetic and environmental factors. This study investigated the distribution of human leucocyte antigen (HLA)-DRB1/DQB1 alleles in South Indian patients with rheumatoid arthritis (RA) and their influence on RA susceptibility and clinical phenotype. Low resolution HLA-DRB1 and -DQB1 typing was performed in 271 RA patients and 233 healthy controls by polymerase chain reaction (PCR) using sequence-specific primers (SSP). HLA-DRB1*10 was found to be more frequent in patients (P = 0.004, OR = 2.23, 95% CI = 1.5-3.34) than controls. This difference persisted in RF positive (P = 9 × 10 , OR = 2.45, 95% CI = 1.62-3.74), ACPA positive (P = 0.007, OR = 2.10, 95% CI = 1.35-3.29), ACPA negative (P = 0.001, OR = 2.45, 95% CI = 1.50-3.97) and both RF and ACPA positive subgroup of patients (P = 0.003, OR = 2.22, 95% CI = 1.41-3.51). On the contrary, the HLA-DRB1*13 (P = 0.01, OR = 0.43, 95% CI = 0.25-0.73) and HLA-DRB1*14 (P = 0.003, OR = 0.43, 95% CI = 0.26-0.69) alleles were over-represented in controls than patients. Further, distribution of the prominent Caucasian RA risk allele DRB1*04 did not differ between patients and controls in our study population. We did not find any association between DQB1 alleles and RA susceptibility or autoantibody status. The haplotypes DQB1*05-DRB1*10 (P = 6.8 × 10 , OR = 2.46, 95% CI = 1.63-3.79) and DQB1*06-DRB1*15 (P = 0.03, OR = 1.41, 95% CI = 1.02-1.96) were more frequent in patients while DQB1*05-DRB1*14 (P = 8.4 × 10 , OR = 0.44, 95% CI = 0.26-0.74) and DQB1*06-DRB1*13 (P = 9.5 × 10 , OR = 0.40, 95% CI = 0.21-0.72) were higher in controls. To conclude, HLA-DRB1*10 is associated with RA while HLA-DRB1*13 and HLA-DRB1*14 alleles confer protection in south Indian Tamils.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1111/tan.12910 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Roads to remission: evolving treatment concepts in type 2 inflammatory diseases.
EClinicalMedicine
February 2025
Institute of Laboratory Medicine and Pathobiochemistry, Molecular Diagnostics, Philipps University Marburg, Marburg, Germany.
Unlabelled: Non-communicable diseases (NCDs) characterised by type 2 inflammation, including asthma, allergic rhinitis, chronic rhinosinusitis with nasal polyps, atopic dermatitis, food allergies and eosinophilic esophagitis, are increasing in prevalence worldwide. Currently, there is a major paradigm shift in the management of these diseases, towards the concept of disease modification and the treatment goal remission, regardless of severity and age. Remission as a treatment goal in chronic inflammatory NCDs was first introduced in rheumatoid arthritis, and then adopted in other non-type 2 inflammatory diseases.
View Article and Find Full Text PDFInteraction with IGF1 overrides ANXA2-mediated anti-inflammatory functions of IGFBP5 .
Front Immunol
January 2025
Xin'an Medicine Research Center, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu, China.
Background: is a differentially expressed gene (DEG) between M1 and M2 macrophages. This study explained why it causes opposite effects in different circumstances.
Methods: Gene expression profiles of various cell subsets were compared by mining a public database.
Active Ingredients and Potential Mechanism of Additive Sishen Decoction in Treating Rheumatoid Arthritis with Network Pharmacology and Molecular Dynamics Simulation and Experimental Verification.
Drug Des Devel Ther
January 2025
Shanxi Key Laboratory of Innovative Drug for the Treatment of Serious Diseases Basing on the Chronic Inflammation, College of Traditional Chinese Medicine and Food Engineering, Shanxi University of Chinese Medicine, Jinzhong, People's Republic of China.
Background: Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease in which macrophages produce cytokines that enhance inflammation and contribute to the destruction of cartilage and bone. Additive Sishen decoction (ASSD) is a widely used traditional Chinese medicine for the treatment of RA; however, its active ingredients and the mechanism of its therapeutic effects remain unclear.
Methods: To predict the ingredients and key targets of ASSD, we constructed "drug-ingredient-target-disease" and protein-protein interaction networks.
Large soluble CD18 complexes with exclusive ICAM-1-binding properties are shed during immune cell migration in inflammation.
J Transl Autoimmun
June 2025
Department of Biomedicine, Aarhus University, Denmark.
The family of heterodimeric CD11/CD18 integrins facilitate leukocyte adhesion and migration in a wide range of normal physiologic responses, as well as in the pathology of inflammatory diseases. Soluble CD18 (sCD18) is found mainly in complexes with hydrodynamic radii of 5 and 7.2 nm, suggesting a compositional difference.
View Article and Find Full Text PDFIron metabolism in rheumatic diseases.
J Transl Autoimmun
June 2025
Rheumatology Research Center, Tehran University of Medical Science, Tehran, Iran.
Iron is a crucial element for living organism in terms of oxygen transport, hematopoiesis, enzymatic activity, mitochondrial respiratory chain function and also immune system function. The human being has evolved a mechanism to regulate body iron. In some rheumatic diseases such as rheumatoid arthritis (RA), systemic lupus erythematous (SLE), systemic sclerosis (SSc), ankylosing spondylitis (AS), and gout, this balanced iron regulation is impaired.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!