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Four genes encode electroneutral, Na+-independent, K-Cl cotransporters. KCC2, is exclusively expressed in neurons where it is thought to drive intracellular Cl- to low concentrations and shift the reversal potential for Cl- conductances such as GABA(A) or glycine receptor channels, thus participating in the postnatal development of inhibitory mechanisms in(More)
In the present study, we have demonstrated functional interaction between Ste20-related proline-alanine-rich kinase (SPAK), WNK4 [with no lysine (K)], and the widely expressed Na+-K+-2Cl- cotransporter type 1 (NKCC1). NKCC1 function, which we measured in Xenopus laevis oocytes under both isosmotic (basal) and hyperosmotic (stimulated) conditions, was(More)
Peripheral neuropathy associated with agenesis of the corpus callosum (ACCPN) is a severe sensorimotor neuropathy associated with mental retardation, dysmorphic features and complete or partial agenesis of the corpus callosum. ACCPN is transmitted in an autosomal recessive fashion and is found at a high frequency in the province of Quebec, Canada. ACCPN has(More)
This paper discusses the implementation of a parallel text retrieval system using a microprocessor network. The system is designed to allow fast searching in document databases organised using the serial file structure, with a very rapid initial text signature search being followed by a more detailed, but more time-consuming, pattern matching search. The(More)
Previous work from our laboratory and others has established that Ste-20-related proline-alanine-rich kinase (SPAK/PASK) is central to the regulation of NKCC1 function. With no lysine (K) kinase (WNK4) has also been implicated in the regulation of NKCC1 activity through upstream activation of SPAK. Because previous studies from our laboratory also(More)
SUMMARY This paper discusses the implementation of nearest-neighbour document retrieval in serial files using transputer networks. The system uses a two-stage retrieval algorithm in which an initial text-signature search is used to exclude large numbers of documents from the detailed and time-consuming pattern-matching search. The latter is implemented(More)
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