Table II.
Summary of Calcium Experiments
| Calcium wave condition | ROS | UMR | ROS/P2U | UMR/Cx43 | HTE | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Control | Slow | Fast | Fast | Fast | Fast | |||||
| Depletion of calcium stores | Slow | None | N.D. | Slow | N.D. | |||||
| Heptanol (gap junction inhibitor) | None | Fast | Fast | Fast | Fast | |||||
| Between isolated cell clusters | No | Yes | N.D. | N.D. | N.D. | |||||
| Suramin (P2 inhibitor) | Slow | None | N.D. | N.D. | N.D | |||||
| ATP desensitization | Slow | None | Slow | Slow | None |
“Fast” denotes wave that propagated at a rate ⩾5 μm/s; “slow” wave propagated at a rate ⩽1 μm/s. See text for calculated conduction velocties. N.D., not done.