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Necrotizing vasculitis is a classic lesion of polyarteritis nodosa (PAN) and a number of other disorders. This Perspectives article discusses how the characterization and understanding of PAN and related disorders has developed and enabled more-specific treatments.
With the ageing population, sarcopenia is becoming a public health concern. However, controversy remains over how it can best be defined. In this Review, the authors discuss the various approaches to defining sarcopenia, its prevalence and potential lifestyle modifications and potential therapeutic strategies.
In this Review, the authors discuss the latest insights into the genetic associations and pathological mechanisms of ankylosing spondylitis, in particular HLA-B27-mediated pathology, antigen-presentation pathways and the role of type 3 immunity.
Clinical trials of novel therapeutics in systemic lupus erythematosus (SLE) have so far been disappointing. A high placebo response rate in these trials owing to continued use of background immunosuppressive therapy could be confounding results. Could patient stratification and minimization of entry medications improve the effect size and interpretability of SLE trials?
The infrapatellar fat pad and other adipose tissues in close proximity to the joint have been linked with osteoarthritis (OA), but the nature of this relationship is unclear. Two new studies elucidate the features of intra-articular adipose tissues in OA and raise important questions for future investigations.
Components of the human diet can have a profound effect on the way in which the human body responds to its environment. In this Review, the authors discuss several common dietary factors, outlining their effects on the development and progression of autoimmune rheumatic diseases via a common factor — the microbiome.
New insights into the ability of platelets to modify lymphocyte biology suggest a potential anti-inflammatory role for platelet therapy in rheumatoid arthritis. The success of this therapy will depend on researchers being able to define the best formulation to manipulate the crosstalk between inflammatory, vascular and synovial cells.
Metabolic reprogramming of immune cells and somatic cells alike has a role in perpetuating disease in the joints. In this Review, the authors examine metabolic alterations that occur in the main cells of the joint tissues during osteoarthritis.