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https://www.selleckchem.com/products/AZD5438.html Our results show that a tightly regulated autophagic response is triggered upon injury and during the early stages of the regeneration process. Furthermore, treatment with rapamycin caused an impairment in the cardiac regeneration outcome. These findings are reminiscent of the pathophysiological description of an injured human heart and hence put forward the zebrafish as a model to study the poorly understood double-sword effect that autophagy has in cardiac homeostasis.An amendment to this paper has been published and can be accessed via a link at the top of the paper.An amendment to this paper has been published and can be accessed via a link at the top of the paper.Infectious colitis is one of the most common health issues worldwide. Microfold (M) cells actively transport luminal antigens to gut-associated lymphoid tissue to induce IgA responses; however, it remains unknown whether M cells contribute to the induction of cellular immune responses. Here we report that M cell-dependent antigen transport plays a critical role in the induction of Th1, Th17, and Th22 responses against gut commensals in the steady state. The establishment of commensal-specific cellular immunity was a prerequisite for preventing bacterial dissemination during enteropathogenic Citrobacter rodentium infection. Therefore, M cell-null mice developed severe colitis with increased bacterial dissemination. This abnormality was associated with mucosal barrier dysfunction. These observations suggest that antigen transport by M cells may help maintain gut immune homeostasis by eliciting antigen-specific cellular immune responses.The intracellular levels of the cytoprotective enzyme heme oxygenase-1 (HO-1) are tightly controlled. Here, we reveal a novel mechanism preventing the exaggerated expression of HO-1. The analysis of mice with a knock-out in the ubiquitin E3 ligase seven in absentia homolog 2 (SIAH2) showed elevated HO-1 protein levels in sp

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