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Acute infection and other insults cause extensive remodelling in the bone marrow to drive the production of new blood cells, often prioritizing the production of mature myeloid cells at the expense of other blood cell types. Here, the authors describe how haematopoiesis is affected by acute demand and how this can contribute to inflammatory disease and cancer when dysregulated.
A preprint by Zhou et al. shows that the clinical efficacy of immune checkpoint blockade in patients with cancer does not depend on the presence of tumour-draining lymph nodes, as their role is taken over by more distant lymph nodes.
Re-exposure to a previously encountered antigen leads to robust antibody responses and the formation of ‘recall’ germinal centres. A preprint by Schiepers et al. shows that antibody feedback in these germinal centres ensures the maturation of naive B cells that can target escape epitopes.
In this Tools of the Trade article, Giulia Adriani and Andrea Pavesi describe a new microfluidic device that supports the generation of vascularized 3D tumour models.
In this Tools of the Trade article, Zülal Cibir and Matthias Gunzer introduce their multi-lens array microscope called ComplexEye that allows high-throughput analysis of cell migration.
Immune responses to pathogens and self-antigens show sex-based differences, with female individuals generally more susceptible to autoimmunity and male individuals more vulnerable to infections. In this Review, the authors explore the role of hormones and genetics in shaping immune responses, and discuss genetic and epigenetic contributions to altered X-linked gene expression that affect immune responses.
In this Review, the authors discuss the origins of regulatory T (Treg) cells in the periphery and the mechanisms by which Treg cells are induced, as well as the regulation of the suppressive function of these cells. Moreover, they examine evidence for and mechanisms of Treg cell dysfunction in common autoimmune diseases such as multiple sclerosis, inflammatory bowel disease, systemic lupus erythematosus and rheumatoid arthritis.
This Review highlights new insights into the biology of inflammasomes from the perspective of structural and mechanistic studies, revealing how the supramolecular complexes that activate inflammatory caspases are assembled and regulated, to induce cytokine maturation and release, as well as pyroptotic cell death.
Investigation of neutrophil heterogeneity in tumours reveals the irreversible programming of long-lived, pro-angiogenic neutrophils that drive tumour progression.
In this Progress article, Fooksman and colleagues review recent advances in the study of long-lived plasma cells, using genetic labelling tools, RNA sequencing and in vivo imaging to characterize the differentiation and survival of this rare cell type in mice and humans.
The first immune-targeted drug for type 1 diabetes (T1D), teplizumab, received regulatory approval by the US FDA in 2022. In this Review, Herold, Walker and colleagues examine the immune mechanisms that underpin T1D and provide an overview of immune-targeted strategies for T1D that are currently in development.