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The clinical management of refractory eosinophilic oesophagitis (EoE) is challenging, owing to the limited data available to guide decision-making. In this Review, Dellon discusses the clinical definition of refractory EoE, examines the causes and predictors of non-response, and highlights both current and emerging treatment modalities for non-responders.
The cytoskeleton plays a key role in cell/cell junction formation, but how the coordinated behaviour of the cytoskeleton contributes is not known. Here the authors show that actin-microtubule crosslinker ACF7 plays a key role in tight junction stabilization and wound healing in intestinal epithelium.
The market for colorectal cancer therapies, which is currently dominated by drugs targeting vascular endothelial growth factor and epidermal growth factor receptor, is poised for change with the anticipated entry of immunotherapies and other targeted drugs.
There have been no major improvements in the prevention or treatment of necrotizing enterocolitis (NEC) over the past several decades, and therefore a 'magic bullet' is urgently needed. However, new data demonstrate that disialyllacto-N-tetraose levels in breast milk can predict the risk of NEC, and these findings might provide a strategy for successful intervention.
Acute gastroenteritis precipitates post-infectious IBS in 10–30% of patients. In this Perspectives, Ghoshal and Gwee discuss evidence of overlap between post-infectious IBS, tropical sprue (which can also develop after acute gastroenteritis) and small intestinal bowel overgrowth, and argue that greater understanding of the links between these conditions will improve understanding of IBS pathogenesis.