Alexandre P Blanchard

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We describe a flexible system for gene expression profiling using arrays of tens of thousands of oligonucleotides synthesized in situ by an ink-jet printing method employing standard phosphoramidite chemistry. We have characterized the dependence of hybridization specificity and sensitivity on parameters including oligonucleotide length, hybridization(More)
We are attempting to produce high-density arrays of surface-bound oligonucleotides for hybridization experiments. Our approach is to mechanically miniamri~ conventional DNA synthesis chemistry. Ink-jet printer heads are used to deliver small drops of reagents to a chemically modified silicon dioxide surface, where they react to synthesize DNA. The drops are(More)
Transient receptor potential canonical (TRPC) channels are associated with calcium entry activity in nonexcitable cells. TRPCs can form homo- or heterotetrameric channels, in which case they can assemble together within a subfamily groups. TRPC1, 4, and 5 represent one group, and TRPC3, 6, and 7 represent the other. The molecular determinants involved in(More)
BACKGROUND/AIMS The Alzheimer drug memantine (1-amino-3,5-dimethyl-adamantane) blocks the pore channel of the NMDA receptor. Since memantine also blocks the 5-HT(3) receptor, neuronal nicotinic receptor, and voltage-activated Na(+) channels, the purpose of our study was to verify whether memantine could influence other types of channels involved in the(More)
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