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Argonaute proteins and small interfering RNAs (siRNAs) are the known signature components of the RNA interference effector complex RNA-induced silencing complex (RISC). However, the identity of "Slicer," the enzyme that cleaves the messenger RNA (mRNA) as directed by the siRNA, has not been resolved. Here, we report the crystal structure of the Argonaute… (More)
RISC, the RNA-induced silencing complex, uses short interfering RNAs (siRNAs) or micro RNAs (miRNAs) to select its targets in a sequence-dependent manner. Key RISC components are Argonaute proteins, which contain two characteristic domains, PAZ and PIWI. PAZ is highly conserved and is found only in Argonaute proteins and Dicer. We have solved the crystal… (More)
OBJECTIVE Association has been reported between the C allele of a -759C/T polymorphism in the promoter of the 5-HT2C receptor gene (HTR2C) and antipsychotic-induced weight gain, suggesting that polymorphic HTR2C expression influences this phenotype. The authors tested this polymorphism, and other promoter variants, for effects on HTR2C transcription. … (More)
OBJECTIVES The regulation of genes involved in glutamatergic function is thought to be a critical for many central nervous system processes including memory, learning, synaptic maintenance, and many pathological states. As part of a larger survey into the key regulatory elements in genes of neuro-psychiatric interest, we sought to identify the promoter… (More)
Interictal epileptiform activity recorded by scalp EEG, foramen ovale electrodes and MEG is discussed. Gross differences in waveform between the electric and magnetic records are discussed in the light of intracranial depth recordings.