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“Allergy” cells embrace dendritic cells to transfer antigens.

People & Ideas

Lane’s unorthodox career stalks the origins of complex eukaryotic life.

Feature

Review

Report

A microtubule-independent membranous “spindle envelope” confines spindle assembly and accounts for faithful chromosome segregation.

In Special Collection:
JCB65: Autophagy

Metabolic stress caused by perturbation of receptor tyrosine kinase FLT3 sensitizes cancer cells to autophagy inhibition and leads to excessive activation of chaperone-mediated autophagy, which triggers metabolic catastrophe in cancer cells through the degradation of HK2.

In muscle stem cells, APC dampens canonical Wnt signaling to allow cell cycle progression.

CDK1 and Plk1 sequentially phosphorylate and activate Usp16, which in turn deubiquitinates Plk1 to maintain the kinase’s kinetochore localization and promote proper chromosome alignment in mitosis.

Article

The microtubule (MT) plus end–tracking protein TTBK2 phosphorylates kinesin-13 family MT depolymerase KIF2A and removes it from MTs, thereby antagonizing KIF2A-induced depolymerization at MT plus ends during cell migration.

The late endosomal lipid PI(3,5)P2 binds to cortactin through the filamentous actin (F-actin) binding domain of cortactin, leading to removal of cortactin from endosomal actin networks and inhibition of cortactin-mediated branched actin nucleation and stabilization.

PKD regulates the stabilization of the F-actin network within dendritic spines upon chemically induced plasticity changes and is needed for proper hippocampal LTP and spatial memory formation.

Annexin A2 and the actin cytoskeleton are essential partners in providing lipid platforms for granule recruitment and fusion during exocytosis.

Clathrin, dynamin, and ARF6 accumulate around wounds in Drosophila embryos in a calcium- and actomyosin-dependent manner and drive polarized E-cadherin endocytosis, which is necessary for actomyosin remodeling during wound repair.

Hsc70 chaperone activity is required for Rac1 activation by Trio and this function underlies netrin-1/DCC-dependent axon outgrowth and guidance.

The caveolar membrane microdomain plays an integral role in stabilizing the muscle fiber surface in mice and zebrafish.

Mast cells (MCs) and dendritic cells (DCs) form synapses that are dependent on MC activation and integrin engagement, and these direct interactions stimulate changes in the secretion profile of select cytokines and facilitate transfer of endosomal contents from activated MCs to DCs.

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