ArticleScience advances2025
Golgi-localized phosphatidylinositol 4-kinase β mediates Rab11a activation and trafficking to promote ciliogenesis.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Ciliary Membrane Lipid Homeostasis in Health and Disease.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
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Authors and funding
13 authors.
Funding
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Abstract
Ciliogenesis requires an orchestrated interaction between the Golgi apparatus and centrioles via vesicle trafficking, yet this process is still poorly understood. Phosphatidylinositol 4-kinase β (PI4KB) is a conserved kinase that localizes to the Golgi for generating phosphatidylinositol 4-phosphate, an important lipid component related to cilium formation. Here, we demonstrate a previously uncharacterized mechanism of PI4KB in regulating Rab11a to enable proper ciliogenesis. PI4KB kinase activity maintains the normal vesicle density around the Golgi and Rab11a localization to centrioles in ciliogenesis. Inhibition of PI4KB activity leads to the reduced centriole localization but accumulation of Rab11a on the Golgi. We identified that the activation of Rab11a relies on PI4KB activity, while inactive Rab11a-guanosine diphosphate stably associates with Golgi and fails to undergo outward delivery. Autosomal-dominant nonsyndromic sensorineural hearing loss mutations in PI4KB abnormally intensify PI4KB interaction with Rab11a, leading to the aberrant subcellular Rab11a localization and defective ciliogenesis. Collectively, our study delineates a critical role for PI4KB in post-Golgi vesicle formation and ciliogenesis.
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