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. 2009 Dec 20;1(1):e2009024. doi: 10.4084/MJHID.2009.024

Figure 1.

Figure 1.

Schematic diagram of the ion transport pathways involved in sickle cell dehydration and action sites of potential therapeutic blockers: Ca2+activated K+ channel (Gardos channel, KCNN4): Clotrimazole (CLT) and ICA-17043; K-Cl cotransport (KCC1/3/4): Magnesium (Mg) Pidolate; Deoxygenation-induced pathway: Dipyridamole; Anion conductive pathway: NS3623. Deoxygenation induces Hb S polymerization and sickling, with associated increased membrane permeability and abnormal function of different ion transport pathways, resulting in K+, Cl and water loss and red cell dehydration (modified from De Franceschi L et al. Haematologica 89: 348, 2004).