The major protein disulfide isomerase family member, PDIA1, is essential in beta cells of mice fed a high-fat diet to maintain glucose homeostasis, proinsulin maturation and organelle integrity.
The small molecule, 147, is a pro-drug that preferentially activates ATF6 signaling through a mechanism involving localized metabolic activation and selective covalent modification of ER resident proteins involved in regulating ATF6 activity.
Jaakko I Lehtimäki, Eeva Kaisa Rajakylä ... Pekka Lappalainen
Live-cell microscopy studies revealed that stress fibers can be generated de novo from the actin cortex without the involvement of stress fiber precursors.
Delphine Fessart, Charlotte Domblides ... Frederic Delom
Epithelial tumors secrete the ER-resident AGR2 in the extracellular matrix to function as a novel essential microenvironmental regulator of epithelial tissue architecture, which leads to tumorigenicity.
Jamie L Courtland, Tyler WA Bradshaw ... Scott H Soderling
Cellular etiology of a human WASH complex mutation in mice reveals its specific roles in neuronal organelle trafficking and a surprising role in motor impairments.
Fikret Aydin, Naomi Courtemanche ... Gregory A Voth
Formins slow elongation of actin filament by either sterically blocking the addition of actin subunits or flattening the helical twist of the filament end.
Profilin helps to maintain formin at the growing barbed end of an actin filament, while piconewton mechanical tension drastically enhances formin dissociation from the barbed end.
TNF-α treatment induces phosphorylation and cytoplasmic translocation of the retinoblastoma protein, which regulates cytoskeletal organization in skeletal muscle cells.