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In a recent paper published in Cell Research, Yan Bao and colleagues characterize a new population of IFNγ-producing innate-like B cells that promotes innate immune responses and contributes to early pathogen control following intracellular bacterial infection.
The Hippo pathway is a signal transduction pathway that regulates organ growth, stem cell biology, regeneration and cancer. Three recent proteomic studies with Hippo pathway components uncovered extensive networks of interacting proteins revealing novel connections to cell-cell junctions, regulation by vesicle trafficking, and phosphorylation-dependent remodeling of the interactome, and provide a rich landscape of novel interactors ripe for mechanistic studies.
Recent data from two independent laboratories have shed new light on the molecular mechanisms by which mixed lineage kinase domain-like (MLKL) promotes a peculiar form of regulated necrosis known as necroptosis. Upon phosphorylation by receptor-interacting protein kinase 3 (RIPK3), MLKL appears indeed to form oligomers that localize to the plasma membrane and compromise its ability to preserve ionic homeostasis.
A major challenge in regenerative medicine is the generation of functionally effective target cells to replace or repair damaged tissues. Transdifferentiation in vivo is a novel strategy to achieve cell fate conversion within the native physiological niche; this technology may provide a time- and cost-effective alternative for applications in regenerative medicine and may also minimize the concerns associated with in vitro culture and cell transplantation.
