: This sodium buildup forces the cell to retain more calcium. In heart muscle cells, this extra calcium strengthens contractions.
: Recent studies suggest low doses might protect neurons and improve cognitive function in models of Alzheimer’s disease .
(pronounced WAH-bane ), also known as g-strophanthin , is a potent cardiac glycoside and steroid hormone naturally found in both African plants and mammals. Historically used by African hunters as an arrow poison due to its rapid effect on the heart, it is now primarily used as a research tool for studying cell signaling and, in some countries, as a medication for heart conditions. How it Works: The Na+/K+-ATPase Pump QUABAIN
While once thought to be exclusively plant-based, scientists discovered that humans and other mammals produce an version of ouabain.
: Conversely, abnormally high levels of endogenous ouabain are linked to chronic high blood pressure and heart failure. : This sodium buildup forces the cell to retain more calcium
: It is extracted from the seeds of Strophanthus gratus and the bark of the Acocanthera ouabaio tree.
: At low doses, it doesn't just "break" the pump; it acts as a messenger, triggering pathways that can affect cell growth, survival, and inflammation. Origins: Plant vs. Human (pronounced WAH-bane ), also known as g-strophanthin ,
: It binds to and stops the pump, causing sodium to build up inside the cell.