Does apamin inhibit human cardiac Na+ current , L-type Ca2+ current or other major K+ currents?
Apamin does not inhibit human cardiac Na+ currents, L-type Ca2+ currents or other major K+ currents. These findings indicate that apamin is a specific SK current inhibitor in hearts as well as in other organs.
To our knowledge this is the first case of these two rare pathologic entities occurring together. Of note, this patient also had a history of tamoxifen therapy, like some of the previous patients with vaginal myofibroblastoma.