Journal: bioRxiv
Article Title: Optogenetic urothelial cell stimulation induces bladder contractions and pelvic nerve afferent firing
doi: 10.1101/2023.02.17.528980
Figure Lengend Snippet: Example traces ( A ) and quantification ( B ) of ChR2 evoked contractions before and during treatment with intravesical PPADS (4 mM). PPADS could reduce the max peak of the contraction. *p=0.0285 Paired T-test (n=4). ( C ) Example traces demonstrate that after washout of PPADS, contractions could be rescued. Blue bars indicate when light stimulation is delivered. ( D-E ) Non-specific inhibition of P2X receptors with 1 mM PPADS reduced the whole pelvic nerve activity associated with optogenetic activation of urothelial cells. Small black spikes are the respiration influence on the abdominal cavity and bladder. Paired T-test **p=0.0051 (n=5). Light blue bars indicate light stimulation.
Article Snippet: This procedure was then repeated with the addition of the P2X receptor antagonist, PPADS (iso-PPADS tetrasodium salt, 0683, Tocris).
Techniques: Inhibition, Activity Assay, Activation Assay