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AIM To evaluate the reliability of [(123)I]meta-iodobenzylguanidine (MIBG) myocardial scintigraphy for diagnosing Parkinson's disease (PD). PATIENTS/METHODS A series of 391 outpatients showing one or more parkinsonian-like symptoms was longitudinally followed up for accurate clinical diagnosis. MIBG scintigraphy was performed in the patients and 10 normal(More)
We analyzed the expression of IL-12Rbeta1 and IL-12Rbeta2 and the role of IL-12 in the activation of monocyte-derived dendritic cells (DCs) via IL-12Rbeta1-mediated signaling events. Flow cytometric analysis revealed that IL-12Rbeta1 was expressed in T cells, Con A blasts, and monocyte-derived DCs, but not in monocytes, while its transcript was detected in(More)
The object was to assess alterations in CSF concentrations of monoamine metabolites during withdrawal of medication in patients with Parkinson's disease in relation to the presence or absence of episodes resembling neuroleptic malignant syndrome (NMS). This syndrome is a fatal condition developing after neuroleptic therapy, and a neuroleptic malignant-like(More)
BACKGROUND Asymmetric dimethylarginine (ADMA) affects vascular function by blocking nitric oxide synthesis. We examined the relationship of ADMA concentration to vascular risk factors in subjects who have undergone annual medical check-up. METHODS ADMA concentration, lipid profile and vascular risk factors were assessed during an annual medical(More)
AIM It remains unclear whether the decrease in the ADMA level associated with statin treatment results from the LDL-C-lowering effect or the pleiotropic effects of statins. A prospective, controlled study was conducted to examine whether statin treatment affects serum ADMA concentrations in ischemic stroke patients. METHODS Consecutive outpatients with(More)
TNF-alpha or IL-10 has been implicated to reversibly regulate physiological states of dendritic cells (DCs). However, little is known about dual stimulations of these cytokines on DC properties and the intracellular signaling events that are responsible for the regulation of these states. Here, we show that a family of mitogen-activated protein kinases(More)
We examined the effect of TGF-beta 1 on the chemotactic migratory ability of human monocyte-derived dendritic cells (DCs). Treatment of immature DCs with TGF-beta 1 resulted in increased expressions of CCR-1, CCR-3, CCR-5, CCR-6, and CXC chemokine receptor-4 (CXCR-4), which were concomitant with enhanced chemotactic migratory responses to their ligands,(More)
There have been numerous reports of decreased acute and chronic graft-vs-host disease (GVHD) in patients receiving HLA-matched or HLA-disparate umbilical cord transplants. However, little is known about the mechanisms underlying the low incidence of GVHD in umbilical cord blood transplantation (CBT). In this study, we examined CD3- and CD28-mediated(More)
Rats working on a food-reinforced operant schedule and exhibiting behavioral depression following administration of D,L-5-hydroxytryptophan (5-HTP) were pretreated with one of three drugs: methysergide, fluoxetine, or amitriptyline. The former two drugs were used to establish a basis for distinguishing between pre- and postsynaptic events. We found that(More)
We examined the potential involvement of two CC chemokine receptors (CCRs), CCR-1 and CCR-3, in the functional activation of granulocyte-macrophage colony-stimulating factor (GM-CSF) plus interleukin-4 (IL-4)-generated human peripheral blood monocyte-derived immature dendritic cells (DCs). Flow cytometric analysis showed that CCR-1, CCR-3, CCR-5, and CXC(More)