Hoshiko Kawashima

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Brain-specific microRNAs (miRs) may be involved in synaptic plasticity through the control of target mRNA translation. Brain-derived neurotrophic factor (BDNF) also contributes to the regulation of synaptic function. However, the possible involvement of miRs in BDNF-regulated synaptic function is poorly understood. Importantly, an increase in glucocorticoid(More)
Arginine vasopressin modulates the release of adrenocorticotropic hormone, beta-endorphin, and prolactin from the anterior pituitary. Release is mediated by the V1b receptor through the mobilization of intracellular Ca2+ by phosphatidylinositol hydrolysis. In contrast to its well characterized peripheral actions, such as antidiuresis, contraction of(More)
Recently, cDNAs encoding brain-specific transmembrane-type protein tyrosine phosphatases (PTPs) with single catalytic domain have been cloned. These include PC12-PTP, PCPTP1, PTPBR7, and PTP-SL, whose cytoplasmic domains had high similarity to STEP, a brain-specific nontransmembrane-type PTP. Based on the high similarity and expression pattern, PCPTP1 seems(More)
gamma-Soluble N-ethylmaleimide-sensitive factor (NSF) attachment protein (gamma-SNAP) is capable of stabilizing a 20 S complex consisting of NSF, alpha-SNAP, and SNAP receptors (SNAREs), but its function in vesicular transport is not fully understood. Our two-hybrid analysis revealed that gamma-SNAP, unlike alpha-SNAP, interacts directly with NSF, as well(More)
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