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https://www.selleckchem.com/products/abraxane-nab-paclitaxel.html In these mice, only the ubiquitous antigen-specific TR1 cells suppressed liver autoimmunity. Thus, the scope of antigen spreading in autoimmune disorders is larger than previously anticipated, involving specificities expected to be silenced by mechanisms of tolerance; the regulatory activity, but not the retention of autoreactive TR1 cells, requires local autoantigen expression.Tregs require specific epigenetic signatures to induce and maintain their suppressive function in the context of inflammation and cancer surveillance. In this issue of the JCI, Xiong and colleagues identify a critical role for the epigenetic repressor REST corepressor 1 (CoREST) in promoting Treg suppressive transcriptional and functional programs. Pharmacologic inhibition and genetic loss of CoREST in Tregs impaired organ allograft tolerance and unleashed antitumor immunity via epigenetic activation of effector T cell programs. We propose that exploiting epigenetic control mechanisms will further the translation of Treg-based therapeutics to target inflammatory and malignant disorders.Parathyroid hormone (PTH) has complex effects on bone, including stimulating bone formation and regulating the hematopoietic stem cell (HSC) niche. In the current issue of the JCI, Li et al. demonstrated that the microbiome, through the production of short-chain fatty acids and in particular, butyrate, is necessary for the ability of PTH to increase osteoblast numbers and stimulate bone formation. In addition to implications for the treatment of osteoporosis with PTH analogs, this pathway may be part of a broader mechanism through which the microbiome serves its key function of modulating the immune system.Detailed spatial information of low-molecular-weight compounds distribution, especially in the brain, is crucial towards understanding their mechanism of actions. Imaging techniques that can directly visualize drugs in the brain at a high resol

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