ArticleCurrent biology : CB2025
Mitochondria transported by Kinesin-3 prevent localized calcium spiking to inhibit caspase-dependent specialized cell death.
Article in Current biology : CB, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Evasion of cell death despite mitochondrial outer membrane permeabilization: an oncogenic outcome of apoptosis.Apoptosis : an international journal on programmed cell death · 2026Review
- KIF1A-mediated trafficking is required for neuronal autophagy in human neurons.bioRxiv : the preprint server for biology · 2026Article
- EOR-1/PLZF promotes WAH-1/AIF-dependent compartment-specific corpse clearance.Cell death discovery · 2025Article
- Kinesins inOpen biology · 2025Review
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Authors and funding
9 authors.
Funding
Abstract
Polarized cells (such as neurons) have distinct compartments with differing functions, subcellular architecture, and microenvironments. Like many cell types, they are subject to programmed elimination as a part of normal development and homeostasis. We investigated the mechanism of specialized cell elimination by studying the embryonic cell death program, compartmentalized cell elimination (CCE), in the scaffolding tail-spike epithelial cell (TSC) of C. elegans. CCE, also seen in Cephalic male (CEM) sensory neurons, is stereotyped and ordered, with distinct programs eliminating each cell compartment-the soma and two segments of the single process, the latter resembling neurite pruning. Here, we report the atypical, compartment-specific roles of two kinesins in mitochondrial transport to regulate CCE. We show that UNC-116/Kinesin-1 is required to transport mitochondria out of the TSC process and that its absence results in distal mitochondrial retention and process persistence. We describe UNC-104/Kinesin-3 in the non-canonical role of mitochondrial transport that is negatively regulated by CED-3/caspase. We identify a degenerative hub of the TSC at the junction of the cell soma and process, characterized by local CED-3/caspase activity, Ca
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Registered trials
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