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In this study, we showed the presence of steroidogenic acute regulatory protein (StAR) mRNA in the rat brain using Northern blot analysis and revealed its localization using in situ hybridization histochemistry. Although the expression level is less than peripheral steroidogenic organs, the brain has two kinds of StAR transcripts with the same size as(More)
The present study investigated the expression pattern of steroidogenic acute regulatory protein (StAR) mRNA in several brain regions and peripheral endocrine organs using Northern blot, RT-PCR and in situ hybridization. StAR mRNA in the adrenal gland was detected at birth and decreased for 2 weeks postnatally. In gonads, it was also detected at birth though(More)
Mast cells (MC) may be one factor influencing the response of visceral afferent nerves to mechanical and chemical stimuli. The aim of this study was to evaluate the degree of infiltration and activity of colonic MC in irritable bowel syndrome (IBS). Biopsy specimens were obtained from the cecum and rectum of 14 diarrhea predominant IBS and 14 normal(More)
Betaxolol is a beta-adrenergic blocker but its neuroprotective action is generally thought to be due to its calcium channel blocking properties. In this study, we investigated neuronal cell damage and changes in the expression of neuronal nitric oxide synthase (nNOS) immunoreactivity in the ischemic retina and its relationship to the neuroprotection of(More)
The ketogenic diet (KD) is often effective for intractable epilepsy, but its antiepileptic mechanisms remain largely unknown. Within the cell death/survival pathway, Akt and its downstream protein Bad play an important role in kainic acid (KA)-induced cell death. Therefore, we investigated the effects of a KD on KA-induced changes in the Akt/Bad/14-3-3(More)
This study was performed to elucidate the protection afforded by post-treatment with Betoptic (0.25% betaxolol) against neuronal cell damage after ischemia/reperfusion insult in rats. Betaxolol was applied topically after the start of reperfusion and its effect was evaluated by morphometry and choline acetyltransferase immunoreactivity of retinas at 7 days(More)
Chlorpyrifos (CPF) is one of the most widely used organophosphate insecticides with several harmful effects, including neurotoxicity. Although many studies have addressed the neurotoxicity induced by CPF, most data on neurodevelopmental damage was obtained from animal models. We are the first group to use human neural precursor cells (hNPCs) derived from(More)
Although l-DOPA represents the standard of care in Parkinson's disease, long-term treatment may be compromised by l-DOPA-induced dyskinesia (LID), with adverse fluctuations in motor responsiveness and progressive loss of control. Here we show that in rats with 6-hydroxydopamine-induced lesions of the median forebrain bundle, LID correlates with 5-HT levels.(More)
Spontaneous remyelination after spinal cord injury (SCI) is limited probably due to inadequate signaling to generate sufficient OLs from progenitor cells. The present study tested a hypothesis that introduction of olig genes, critical regulators of OL development, into immature proliferating cells could increase oligodendrogenesis after contusive SCI in(More)
Patterns of endothelial nitric oxide synthase (eNOS) expression in retinal ischemia were studied utilizing a transient high intraocular pressure (HIOP) model. We investigated neuronal cell damage and changes in eNOS immunoreactive expression in the ischemic retina, and its relationship to the neuroprotection of betaxolol treatment after ischemic injury.(More)