Prior studies have shown that the utricles of mice contain a population of actin rings that reside in the lower stratum of the sensory epithelium, embedded among the nuclei of supporting cells. Although these structures display structural similarities with phagosomes, their function is not clear....
✦ The floor
Discussion
Signed responses from readers of the wire.
No actionable change — this is a basic-science anatomy study; findings have no immediate clinical application.
Understanding unexpected structural features in human vestibular tissue could eventually inform research into balance disorders and inner-ear regeneration.
- 01Actin rings, actin cables, and ectopic (out-of-place) hair cells were identified in the utricles of both mice and humans.
- 02The presence of ectopic hair cells is poorly understood and challenges current models of vestibular tissue organization.
- 03The study spans two species, adding translational value to the anatomical observations.
- 04Findings are published ahead of print in the Journal of the Association for Research in Otolaryngology (JARO).
- 05This is foundational/basic-science research with no direct clinical protocol implications at this stage.
Actin rings and actin cables are present in the vestibular maculae (utricles) of both mice and humans.
studypartially supportedEctopic hair cells exist in the vestibular maculae of mice and humans.
studypartially supported- PMID
- 42816693
- DOI
- 10.1007/s10162-026-01074-8.
- Journal
- Journal of the Association for Research in Otolaryngology
- Publication type
- research_article
- Evidence level
- 4
- Population
- Vestibular macular (utricle) tissue samples from mice and humans
- Intervention
- Morphological and structural characterization of actin rings, actin cables, and ectopic hair cells in vestibular maculae
Primary outcomes
Presence and distribution of actin rings and actin cables in vestibular maculae; Identification and characterization of ectopic hair cells in utricles of mice and humans