A novel mitochondrial Kv1.3-caveolin axis controls cell survival and apoptosis

Antonio Felipe, Jesusa Capera, Mireia Pérez-Verdaguer, Roberta Peruzzo, María Navarro-Pérez, Juan Martínez-Pinna, Armando Alberola-Die, Andrés Morales, Luigi Leanza & Ildiko Szabo
The voltage-gated potassium channel Kv1.3 plays an apparent dual physiological role by participating in activation and proliferation of leukocytes as well as promoting apoptosis in several types of tumor cells. Therefore, Kv1.3 is considered a potential pharmacological target for immunodeficiency and cancer. Different cellular locations of Kv1.3, at the plasma membrane or the mitochondria, could be responsible for such duality. While plasma membrane Kv1.3 facilitates proliferation, the mitochondrial channel modulates apoptotic signaling. Several molecular determinants...
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