Porphyromonas gingivalis associates with the presence of anti-citrullinated protein antibodies, but not with the onset of arthritis: studies in an at-risk population by Helga Westerlind, Linda Mathsson-Alm, Alexandra Circiumaru, Aase Hensvold, Karin Lundberg, Jan Potempa, Yogan Kisten, Charlotte De Vries, Marina Dehara, Barbara Potempa

“…Objective The antibody response against Porphyromonas gingivalis (Pg) is elevated in rheumatoid arthritis (RA), especially in patients with anti-citrullinated protein antibodies (ACPA). …”
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Impact of COVID-19 on rheumatic diseases in india: Determinants of mortality and adverse outcome: A retrospective, cross-sectional cohort study by Avinash Jain, Vineeta Shobha, S Chandrashekara, Padmanabha Shenoy, Sapan C Pandya, Prakash Chotalia, Sharath Kumar, Sourabh Malviya, Yogesh Preet Singh, Abhishek Patil, Vikas Gupta, Puja Srivastava, Vijaya Prasanna Parimi, Chanakya Kodishala, Ramya Janardana, Benzeeta Pinto, Sudhir Bhandari, Govind Rankawat, Praveen Pratap Jadhav, Damodaram Potugari, Vishnu Sharma, Alpana Parmar, Sunitha Kayidhi, Paul T Antony, Ashish Badika, Amit Sharma

“…The mean age was 47.9 ± 14.4 years, including two children and 93 (20.8%) geriatric age group patients, male: female ratio was 0.4:1 and mean disease duration was 79.3 ± 77.1 months. Rheumatoid arthritis was the most common RD. Underlying disease was quiescent in 54.7% and active in 18.4% patients. …”
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Mendelian randomization analysis does not support a causal influence between lipoprotein(A) and immune-mediated inflammatory diseases by Yun Ti, Dan Xu, Xiaoning Qin, Yang Hu, Yuru Xu, Qingzhao Zhao, Peili Bu, Jingyuan Li

“…We performed a bidirectional two-sample mendelian randomization analyses based on genome-wide association study (GWAS) summary statistics of Lp(a) and nine IMIDs, specifically celiac disease (CeD), Crohn’s disease (CD), ulcerative colitis (UC), inflammatory bowel disease (IBD), multiple sclerosis (MS), psoriasis (Pso), rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), type 1 diabetes (T1D), and summary-level data for lipid traits. …”
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Multicentre, 26-week, open-label phase 2 trial of the JAK inhibitor filgotinib in Behçet’s disease, idiopathic inflammatory myopathies and IgG4-related disease: DRIMID study protoc... by Sander W Tas, Joost Raaphorst, Paco M J Welsing, Jacob M van Laar, Rogier M Thurlings, Robbert J Goekoop, César Magro Checa, Jan A M van Laar, Bettina C Geertsema-Hoeve, Nicolle H Rekers, Erik Present

“…The Drug Rediscovery in IMIDs (DRIMID) consortium aims to conduct a prospective pilot basket trial to investigate the effects of filgotinib, a JAK1 preferential inhibitor approved for ulcerative colitis and rheumatoid arthritis, on disease activity, quality of life and safety in patients with refractory BD, IIM and IgG4-RD.Methods and analysis In this investigator-initiated, multicentre, open-label phase 2 study, up to 60 patients with rare IMIDs will be enrolled for a 26-week treatment period with filgotinib 200 mg once daily. …”
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Anti-inflammatory treatment using alpha melanocyte stimulating hormone (α-MSH) does not alter osteoblasts differentiation and fracture healing by Johanna Graue, Melanie Timmen, Katharina Schmitz, Daniel Kronenberg, Markus Böhm, Kishor K. Sivaraj, M. Gabriele Bixel, Richard Stange

“…Abstract Background Alpha-melanocyte-stimulating-hormone (α-MSH) has been identified as a new anti-inflammatory treatment compound in rheumatoid arthritis (RA) and other inflammatory diseases. …”
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PADI4 Haplotypes in Association with RA Mexican Patients, a New Prospect for Antigen Modulation by Maria Guadalupe Zavala-Cerna, Norma Guadalupe Gonzalez-Montoya, Arnulfo Nava, Jorge I. Gamez-Nava, Maria Cristina Moran-Moguel, Roberto Carlos Rosales-Gomez, Susan Andrea Gutierrez-Rubio, Jose Sanchez-Corona, Laura Gonzalez-Lopez, Ingrid Patricia Davalos-Rodriguez, Mario Salazar-Paramo

“…Four SNPs (single nucleotide polymorphisms) have been described in PADI4 gene to form a susceptibility haplotype for rheumatoid arthritis (RA); nevertheless, results in association studies appear contradictory in different populations. …”
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Can screening for degenerative cervical myelopathy (SCREEN-DCM) be effectively undertaken based on signs, symptoms and known risk factors? Rationale and research protocol for a pro... by Benjamin Davies, Mark Kotter, Granit Molliqaj, Enrico Tessitore, Karl Schaller, Teresa Somma, Aria Nouri, Renato Gondar, Joseph S Cheng, Paolo Cappabianca, Alexandre Lavé, Gianpaolo Jannelli, Allan Martin, Justin Virojanapa, Carmen L A Vleggeert-Lankamp, Valerie ter Wengel, Torstein Meling

“…Points are attributed based on the presence of signs/symptoms of DCM (eg, Hoffmann sign, hyper-reflexia) and for comorbidities that predispose or are frequently associated with cervical myelopathy (eg, rheumatoid arthritis, carpal tunnel syndrome). Patients with ≥3 points undergo cervical MRI examination. …”
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Anti-TROVE2 Antibody Determined by Immune-Related Array May Serve as a Predictive Marker for Adalimumab Immunogenicity and Effectiveness in RA by Po-Ku Chen, Joung-Liang Lan, Yi-Ming Chen, Hsin-Hua Chen, Shih-Hsin Chang, Chia-Min Chung, Nurul H. Rutt, Ti-Myen Tan, Raja Nurashirin Raja Mamat, Nur Diana Anuar, Jonathan M. Blackburn, Der-Yuan Chen

“…Anti-drug antibody (ADAb) development is associated with secondary therapeutic failure in biologic-treated rheumatoid arthritis (RA) patients. With a treat-to-target goal, we aimed to identify biomarkers for predicting ADAb development and therapeutic response in adalimumab-treated patients. …”
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Search for signals of positive selection of circadian rhythm genes <i>PER1</i>, <i>PER2</i>, <i>PER3</i> in different human populations by A. I. Mishina, S. Y. Bakoev, A. Y. Oorzhak, A. A. Keskinov, Sh. Sh. Kabieva, A. V. Korobeinikova, V. S. Yudin, M. M. Bobrova, D. A. Shestakov, V. V. Makarov, L. V. Getmantseva

“…In addition, many of the selection variants in the PER1, PER2, PER3 genes appear to regulate biological processes that are associated with major modern diseases, including obesity, cancer, metabolic syndrome, bipolar personality disorder, depression, rheumatoid arthritis, diabetes mellitus, lupus erythematosus, stroke and Alzheimer’s disease, making them extremely interesting targets for further research aimed at identifying the genetic causes of human disease.…”
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Systemic Resolvin E1 (RvE1) Treatment Does Not Ameliorate the Severity of Collagen-Induced Arthritis (CIA) in Mice: A Randomized, Prospective, and Controlled Proof of Concept Study by Rafael Scaf de Molon, Rogier M. Thurlings, Birgitte Walgreen, Monique M. Helsen, Peter M. van der Kraan, Joni Augusto Cirelli, Marije I. Koenders

“…Thus, this study is aimed at determining whether systemic RvE1 treatment reduces arthritis onset and severity in murine collagen-induced arthritis (CIA) and spontaneous cytokine production by human rheumatoid arthritis (RA) synovial explants. 10-week-old DBA1/J male mice were subjected to CIA and treated systemically with 0.1 μg RvE1, 1 μg RvE1, 5 mg/kg anti-TNF (positive control group), PBS (negative control group), or with a combination of 1 μg of RvE1 plus 5 mg/kg anti-TNF using prophylactic or therapeutic strategies. …”
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Identification of novel autoantibodies in Sjögren’s disease by Fiona Engelke, Petra Budde, Salvatore De Vita, Thomas Dörner, Diana Ernst, Jan Gras, Harald Heidecke, Annika Loredana Kilian, Katja Kniesch, Ann-Sophie Lindemann, Luca Quartuccio, Jacob Ritter, Kai Schulze-Forster, Benjamin Seeliger, Hans-Dieter Zucht, Torsten Witte

“…To assess disease specificity, the novel autoantibodies were also measured in serum of patients with Rheumatoid Arthritis (RA, n=50), Systemic Lupus Erythematosus (SLE, n=49), and Systemic Sclerosis (SSc, n=37). …”
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Mesenchymal stem cell-derived extracellular vesicles enriched with miR-124 exhibit anti-inflammatory effects in collagen-induced arthritis by Guo Zhonghua, He Mengyuan, Shi Dongliang, Zhang Zhongbo, Wang Lisha, Ren Bowen, Wang Yunfei, Wang Junjie, Yang Shaoxiang, Yu Hongchao

“…Rheumatoid arthritis (RA) is a chronic autoimmune disorder characterized by joint inflammation, leading to pain, swelling, stiffness, and joint damage. …”
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Nicotine dependence is associated with an increased risk of developing chronic, non-communicable inflammatory disease: a large-scale retrospective cohort study by Khalaf Kridin, Khalaf Kridin, Khalaf Kridin, Cristian Papara, Katja Bieber, David A. De Luca, Jan Philipp Klein, Marlene A. Ludwig, Philip Curman, Philip Curman, Philip Curman, Philip Curman, Artem Vorobyev, Astrid Dempfle, Ralf J. Ludwig

“…However, for only few CIDs, compelling evidence suggests that nicotine dependence increases (e.g., rheumatoid arthritis and asthma) or decreases (e.g., pemphigus) the CID risk. …”
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Iguratimod Inhibits the Aggressiveness of Rheumatoid Fibroblast-Like Synoviocytes by Jin Lin, Ye Yu, Xuanwei Wang, Yini Ke, Chuanyin Sun, Lihuan Yue, Guanhua Xu, Bei Xu, Liqin Xu, Heng Cao, Danyi Xu, Nancy Olsen, Weiqian Chen

“…Iguratimod, a novel disease-modifying anti-rheumatic drug for the treatment of rheumatoid arthritis, has been approved in China and Japan. …”
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Role of Positron Emission Tomography-Computed Tomography Scan in Reaching Definite Diagnosis in Patients With Fever of Unknown Origin and Inflammation of Unknown Origin in Rheumato... by Koreli UY, Torun ES, Adaş M

“…Diagnoses were ankylosing spondylitis (n=4), rheumatoid arthritis (n=1), systemic lupus erythematosus (n=3), giant cell arteritis (n=1), adult onset Still disease (n=1), undifferentiated connective tissue disease (n=1), undifferentiated vasculitis (n=1) and crystal arthropathy (n=1), Hodgkin lymphoma (n=1) and cryptococcosis (n=1). …”
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Early results of primary total hip arthroplasty performed in young adults at a regional Saudi-Arabian orthopedics center: a prospective observational study by Walid M. Al-Shaer, Ali H. Al-Yami, Mokhtar Ahmed Al-Sayed, Ali Mohammed Al-Zaidan, Emad Ruddah Al-Sufyani, Ahmed A. Khalifa, Raad M. M. Al-Thaqafi, Abdulmohsen H. Al-Hamyani, Mohammed M. Al-Subaie

“…The commonest indication was advanced avascular necrosis (28%) followed by post-traumatic osteoarthritis (24%) and rheumatoid arthritis (24%). Cementless fixation was utilized in 20 (80%) THAs, and the bearing surface was either metal- or ceramic-on-polyethylene in 92% of THAs. …”
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Impact in Clinical Practice of the European Medicines Agency Health Alert About the Restriction of the Use of JAK Inhibitors by Elisabet Castañeda-Estévez, Cristina Vergara-Dangond, Martina Steiner, Maria Beatriz Paredes-Romero, Ana Esteban-Vázquez, Tatiana Cobo-Ibañez, Laura Trives-Folguera, Maria Liz Romero-Bogado, Isabel De La Cámara-Fernández, Patricia Richi-Alberti, Ana Acosta-Alfaro, Iría De la Osa-Subtil, Santiago Muñoz-Fernández

“…The most common diagnoses were rheumatoid arthritis (60.4%) and psoriatic arthritis (18.8%). …”
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A Case of Cardiac Arrest during C1 Laminectomy for Irreducible Atlantoaxial Subluxation by Yosuke Shibao, Masao Koda, Keita Nakayama, Tomoyuki Asada, Kosuke Sato, Mamoru Kono, Fumihiko Eto, Kentaro Mataki, Hiroshi Kumagai, Katsuya Nagashima, Kousei Miura, Hiroshi Noguchi, Hiroshi Takahashi, Toru Funayama, Tetsuya Abe, Masashi Yamazaki

“…A 60-year-old woman with rheumatoid arthritis presented with neck pain, bilateral finger numbness, and bladder-rectal disturbance. …”
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Suberoylanilide Hydroxamic Acid Attenuates Autoimmune Arthritis by Suppressing Th17 Cells through NR1D1 Inhibition by Da Som Kim, Hong-Ki Min, Eun Kyung Kim, Seung Cheon Yang, Hyun Sik Na, Seon-Yeong Lee, Jeong-Won Choi, Kyung-Ah Jung, Seung-Ki Kwok, Sung-Hwan Park, Mi-La Cho

“…Rheumatoid arthritis (RA) is a type of systemic autoimmune arthritis that causes joint inflammation and destruction. …”
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29 m6A-RNA Methylation (Epitranscriptomic) Regulators Are Regulated in 41 Diseases including Atherosclerosis and Tumors Potentially via ROS Regulation – 102 Transcriptomic Dataset... by Ming Liu, Keman Xu, Fatma Saaoud, Ying Shao, Ruijing Zhang, Yifan Lu, Yu Sun, Charles Drummer, Li Li, Sheng Wu, Satya P. Kunapuli, Gerard J. Criner, Jianxin Sun, Huimin Shan, Xiaohua Jiang, Hong Wang, Xiaofeng Yang

“…We performed a database mining on 102 transcriptomic datasets for the expressions of 29 m6A-RNA methylation (epitranscriptomic) regulators (m6A-RMRs) in 41 diseases and cancers and made significant findings: (1) a few m6A-RMRs were upregulated; and most m6A-RMRs were downregulated in sepsis, acute respiratory distress syndrome, shock, and trauma; (2) half of 29 m6A-RMRs were downregulated in atherosclerosis; (3) inflammatory bowel disease and rheumatoid arthritis modulated m6A-RMRs more than lupus and psoriasis; (4) some organ failures shared eight upregulated m6A-RMRs; end-stage renal failure (ESRF) downregulated 85% of m6A-RMRs; (5) Middle-East respiratory syndrome coronavirus infections modulated m6A-RMRs the most among viral infections; (6) proinflammatory oxPAPC modulated m6A-RMRs more than DAMP stimulation including LPS and oxLDL; (7) upregulated m6A-RMRs were more than downregulated m6A-RMRs in cancer types; five types of cancers upregulated ≥10 m6A-RMRs; (8) proinflammatory M1 macrophages upregulated seven m6A-RMRs; (9) 86% of m6A-RMRs were differentially expressed in the six clusters of CD4+Foxp3+ immunosuppressive Treg, and 8 out of 12 Treg signatures regulated m6A-RMRs; (10) immune checkpoint receptors TIM3, TIGIT, PD-L2, and CTLA4 modulated m6A-RMRs, and inhibition of CD40 upregulated m6A-RMRs; (11) cytokines and interferons modulated m6A-RMRs; (12) NF-κB and JAK/STAT pathways upregulated more than downregulated m6A-RMRs whereas TP53, PTEN, and APC did the opposite; (13) methionine-homocysteine-methyl cycle enzyme Mthfd1 downregulated more than upregulated m6A-RMRs; (14) m6A writer RBM15 and one m6A eraser FTO, H3K4 methyltransferase MLL1, and DNA methyltransferase, DNMT1, regulated m6A-RMRs; and (15) 40 out of 165 ROS regulators were modulated by m6A eraser FTO and two m6A writers METTL3 and WTAP. …”
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