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The objective of this study was to clarify the mechanism underlying hepatic uptake of dioscin (diosgenyl 2,4-di-O-a-L-rhamnopyranosyl-p-D-glucopyranoside), an herbal ingredient with antihepatitis activity, in rats and humans. The liver uptake index (LUI) in vivo, perfused rat liver in situ, rat liver slices, isolated rat hepatocytes, and human organic(More)
A new hypocrellin A-producing strain, Shiraia sp. SUPER-H168, was isolated from tissues of bamboo, Brachystachyum densiflorum. The morphology of this strain was characterized with a light microscope and a scanning electronic microscope. The mycelia, conidia, pycnidia of fungus were observed. Small pycnidia (10-20 microm in length) full of small conidia(More)
Melatonin confers cardioprotective effect against myocardial ischemia/reperfusion (MI/R) injury by reducing oxidative stress. Activation of silent information regulator 1 (SIRT1) signaling also reduces MI/R injury. We hypothesize that melatonin may protect against MI/R injury by activating SIRT1 signaling. This study investigated the protective effect of(More)
Alpha-lipoic acid (ALA), a naturally occurring compound and dietary supplement, has been established as a potent antioxidant that is a strong scavenger of free radicals. Recently, accumulating evidences has indicated the relationship between oxidative stress and osteoporosis (OP). Some studies have investigated the possible beneficial effects of ALA on OP(More)
To investigate the pharmacokinetics and mechanism of intestinal absorption of JBP485 in rats, the pharmacokinetics of JBP485 were investigated in vivo both intravenously and orally. The effects of glycylsarcosine (Gly-Sar) on the uptake and transepithelial transport of JBP485 were examined in everted intestinal sacs, in situ jejunal perfusion, Caco-2 cells(More)
Herbal medicines have been widely used for thousands of years, and now are gaining continued popularity worldwide as a complementary or alternative treatment for a variety of diseases, rehabilitation and health care. Since herbal medicines contain more than one pharmacologically active ingredient and are commonly used with many prescribed drugs, there are(More)
PURPOSE Basal lamina is a major part of the microvascular wall and plays a critical role in the integrity of microvasculature. The aim of this study is to determine whether hyperthermia worsens the destruction of microvascular integrity in the ischaemic injured brain. MATERIALS AND METHODS Focal cerebral ischaemia was induced by embolising a pre-formed(More)
To investigate protective effects of alisol B 23-acetate (AB23A) against hepatotoxity and cholestasis induced by 17α-ethinylestradiol (EE) in association with farnesoid X receptor (FXR) activation in vivo and in vitro. The cholestatic liver injury model was established by subcutaneous injections of EE in C57BL/6 mice. Serum biomarkers, bile flow assay and(More)
Urokinase-type plasminogen activator receptor (uPAR) is a glycosyl phosphatidylinositol-anchored protein involved in cell adhesion, proliferation, differentiation, migration, invasion, and tissue repair and remodeling. Our aim was to investigate uPAR expression in the frontal cortex of patients with intractable frontal lobe epilepsy and to explore the(More)
The purpose is to investigate whether the targets of drug-drug interactions (DDIs) between JBP485 and acyclovir are OAT1 and OAT3 in kidney. Plasma concentration and accumulative urinary excretion of acyclovir in vivo, uptake of acyclovir in kidney slices and uptake of acyclovir in human (h) OAT1/ hOAT3-human embryonic kidney (HEK) 293 cells in vitro were(More)