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The electrogenic Na+/HCO3− cotransporter (NBCe1) in astrocytes is crucial in regulation of acid–base homeostasis in the brain. Since many pathophysiological conditions in the brain have been associated with pH shifts we exposed primary mouse cortical and hippocampal astrocytes to prolonged low or high extracellular pH (pHo) at constant extracellular bicarbonate concentration and investigated activation...
The electrogenic sodium bicarbonate cotransporter 1, NBCe1 (SLC4A4), is the major bicarbonate transporter expressed in astrocytes. It is highly sensitive for bicarbonate and the main regulator of intracellular, extracellular, and synaptic pH, thereby modulating neuronal excitability. However, despite these essential functions, the molecular mechanisms underlying NBCe1‐mediated astrocytic response...
The electrogenic sodium bicarbonate cotransporter NBCe1 (SLC4A4) is expressed in many cell types and is a major regulator of intracellular, and extracellular pH. In astrocytes, membrane depolarization leads to intracellular alkalinization through the activation of NBCe1. However, the molecular mechanisms regulating functional expression of NBCe1 in astrocytes are largely unknown. Astrocytes also express...
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