Asano Nitta

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Tumour growth depends on neovascularisation and tumour cell proliferation. Factor VIII-related antigen (F-VIII RA) localises to vascular endothelium. Expression of proliferating cell nuclear antigen (PCNA) is correlated with cell proliferation. We investigated the correlation between the expression of these antigens and prognosis in gastric carcinoma. A(More)
Amyloid β-peptide (Aβ) is the major constituent of the senile plaques in the brains of patients with Alzheimer’s disease. We have demonstrated previously that memory impairment, dysfunction of the cholinergic and dopaminergic neuronal system and morphological degeneration are produced after the continuous infusion of Aβ into the cerebral ventricle in(More)
Our previous study in male rats demonstrated that bilateral administration of flutamide, an androgen receptor (AR) antagonist, into the posterodorsal medial amygdala (MePD) increased the time sniffing male odors to as high as that sniffing estrous odors, eliminating the preference for estrous odors over male odors. This made us speculate that under blockade(More)
We produced transgenic (Tg) mice carrying the human tyrosine hydroxylase (TH) gene. To investigate differences in the dopaminergic (DAergic) neuronal activity between the Tg and nTg mice, we examined changes in the locomotor activity induced by methamphetamine (MAP) and nicotine (NIC), which enhances DA release and induces TH enzyme activation,(More)
Basal forebrain (BF) lesion-induced amnesia in rats is widely used as an animal model of Alzheimer's disease (AD). To study the plasticity of brain function in BF-lesioned rats, we examined the effects of repeated trainings and the passage of time after the lesion on learning ability 3 weeks and 3 months after BF-lesions with ibotenic acid, using an(More)
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