2011
DOI: 10.1113/jphysiol.2010.203703
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Knocking down of the KCC2 in rat hippocampal neurons increases intracellular chloride concentration and compromises neuronal survival

Abstract: Non-technical summary 'To be, or not to be' -thousands of neurons are facing this Shakespearean question in the brains of patients suffering from epilepsy or the consequences of a brain traumatism or stroke. The destiny of neurons in damaged brain depends on tiny equilibrium between pro-survival and pro-death signalling. Numerous studies have shown that the activity of the neuronal potassium chloride co-transporter KCC2 strongly decreases during a pathology. However, it remained unclear whether the change of t… Show more

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Cited by 85 publications
(125 citation statements)
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“…KCC2 suppression may increase chloride concentration (20) and thereby reduce GABAergic signaling. This may subsequently lead to scaling of excitatory synapses through homeostatic plasticity (21).…”
Section: Preventing Molecular Interactions Of Kcc2 With Intracellularmentioning
confidence: 99%
“…KCC2 suppression may increase chloride concentration (20) and thereby reduce GABAergic signaling. This may subsequently lead to scaling of excitatory synapses through homeostatic plasticity (21).…”
Section: Preventing Molecular Interactions Of Kcc2 With Intracellularmentioning
confidence: 99%
“…This experiment provides an indication of the rate of Cl − extrusion (39). The I GABAA were induced by brief focal applications of isoguvacine, a GABA A R agonist, at a holding potential (V h ) of −80 mV, whereas Cl − loading was obtained using the combination of a 10-s isoguvacine pulse and neuron depolarization to −20 mV.…”
Section: Wnk1 Kinase Inhibition Facilitates Kcc2-dependent CL − Extrumentioning
confidence: 99%
“…shRNA KCC2 in mU6-pro vector was described previously (39) and targeted the following sequence in rat KCC2 mRNA: 5′-GACATTGGTAA-TGGAACAACG-3′ (NP_599190). A control construct with a scrambled sequence (GATGAACCTGATGACGTTC) lacked homology to any known mammalian mRNAs.…”
Section: Constructs and Materialsmentioning
confidence: 99%
See 1 more Smart Citation
“…A sensor with improved sensitivity to chloride, called Cl-Sensor (Markova et al, 2008), has previously been used to measure [Cl − ] i in different cell types and to analyse the function of the potassium-chloride transporter KCC2 in hippocampal neurons (Bregestovski et al, 2009;Waseem et al, 2010;Pellegrino et al, 2011). In this issue, improved methods for the stable, longlasting ratiometric recording of [Cl − ] i are described, and these provide a technique for monitoring Cl-Sensor fluorescence in different cell types using conventional fluorescence microscopy set-ups (Friedel et al, 2013).…”
Section: The Idea Of This Special Research Issue Of Frontiers In Molementioning
confidence: 99%