Spatio-temporal regulation of ligand trafficking and TLR9 activation involves PIEZO1 mechanosensing in human plasmacytoid dendritic cells
Shrestha Pattanayak, Deblina Raychaudhuri, Purbita Bandopadhyay, Upasana Mukhopadhyay, Tithi Mandal, Chinky Shiu Chen Liu, Nidhi Kalidas, Sumangal Roychowdhury, Krishnananda Chattopadhyay, Fnu Ashish, Bidisha Sinha, Dipyaman Ganguly
This study identifies PIEZO1 mechanosensing as a key regulator of ligand-specific TLR9 signaling in human pDCs, showing that CpGA induces IFN production via membrane tension and PIEZO1 activation, while CpGB does not.
bioRxiv · Jul 31, 2025 · PreprintImmunology