What they found
CenSpark is a cell-permeable dual-ligand fluorescent probe that selectively labels centriolar and axonemal microtubule structures without genetic manipulation. Achieves high selectivity in live and fixed specimens for centrioles, cilia, and flagella. Enables tracking primary cilium formation rates and monitoring centriole dynamics in real time.
Lateral connection
While stereocilia are actin-based (not microtubule-based) and would not be labeled by CenSpark directly, the kinocilium of developing hair cells IS a true cilium with axonemal microtubules. CenSpark could enable live imaging of kinocilium dynamics during hair cell development — a period when stereocilia bundle polarity is being established. Understanding kinocilium-stereocilia coordination during development informs when mini-STRC must be present to establish proper bundle architecture.
Hypothesis suggested
Live imaging of kinocilium dynamics with CenSpark in organoid or explant hair cell cultures could reveal the developmental time window during which stereocilin must be present for proper bundle formation, informing the therapeutic window for mini-STRC gene therapy delivery.
What could be computed
N/A — this is primarily an experimental tool. However, image analysis pipelines for quantifying cilium formation rates from CenSpark imaging data could be adapted for automated stereocilia bundle morphology quantification in mini-STRC efficacy studies.
Links
Connections
[source]auto-indexed 2026-04-20 by strc-lit-watch