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Examining The Regulation Of Kv7 K+ Channels In Airway Smooth Muscle Cells And Their Potential As Novel Therapeutic Targets For The Treatment Of Asthma, Jennifer Haick
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Asthma is a disease characterized by nonspecific and exaggerated airway narrowing, termed airway hyperresponsiveness (AHR), which involves the excessive contraction of airway smooth muscle. Despite the fact that airway smooth muscle is widely studied and understood to play a role in AHR, little is known about the specifics of that role. Our laboratory recently found that Kv7 potassium (K+) channels are expressed in airway smooth muscle cells (ASMCs). Kv7 channels are voltage sensitive K+ channels whose outward flux of K+ ions promotes a negative resting membrane voltage in excitable cells, thereby opposing electrical excitability. Inhibition of K+ channels is known …