ArticleScience advances2025
Lamellar Schwann cells in the Pacinian corpuscle potentiate vibration perception.
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 6 papers.
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Who cites it
6 citing papers in PubMed.
- Peripheral mechanisms of tactile sensation in fish.Current opinion in neurobiology · 2026Review
- Exploratory Immunohistochemical Mapping of Mechanosensitivity-Associated Ion Channel Proteins in Terminal Glial Cells of Human Meissner and Pacinian Corpuscles.International journal of molecular sciences · 2026Article
- Velocity sensitivity of mechanotransduction in the afferent terminal underlies vibration detection in the Pacinian corpuscle.Nature communications · 2026Article
- Functional evidence for early origin of tactile acuity in the vertebrate somatosensory system.Current biology : CB · 2025Article
- The inner core enables transient touch detection in the Pacinian corpuscle.Science advances · 2025Article
- The Human Mechanosensory Corpuscles: A New Schwann Cell Localization of the Wilms' Tumor Protein WT1.The journal of histochemistry and cytochemistry : official journal of the Histochemistry SocietyArticle
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pacinian corpuscles are among the most sensitive mechanoreceptors found in vertebrates, and they are tuned to vibrations in the highest perceptible frequency range (100 to 2000 Hz). One of their anatomical hallmarks is the onion-like cell layers surrounding the central axon. The innermost layers consist of ~60 densely packed lamellar Schwann cells (LSCs), whose function remains largely unknown. Using high-resolution three-dimensional electron microscopy, we found that LSCs do not form concentric rings, but complex, multilayered, and intertwining assemblies that are connected via a high density of desmosomes and gap junctions. LSCs make multiple converging contacts with the afferent axon via desmosomes. Using optogenetic manipulations of LSCs, we demonstrate not only that their activation drives reliable time-locked spiking in the axon but also that their inactivation significantly elevates the thresholds in situ and increases perceptual thresholds behaviorally. Together, these findings provide evidence that LSCs are a key element of somatosensory processing, actively potentiating mechanosensitivity in Pacinian corpuscles.
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