Eun-Young Kwak

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To evaluate the usefulness of hematoporphyrin (HP)-modification of the surface of doxorubicin (DOX)-loaded bovine serum albumin (BSA) nanoparticles (NPs) in the liver cancer-selective delivery of DOX. HP-modified NPs (HP-NPs) were prepared by conjugation of amino groups on the surface of NPs with HP, a ligand for low density lipoprotein (LDL) receptors on(More)
A protein chip was constructed to detect the binding of microphthalmia-associated transcription factor (Mitf) and E-box DNA. Mitf, a key regulatory transcriptional factor of pigmentation-related genes such as tyrosinase, binds to specific sequence (CATGTG) in E-box DNA within the promoter of tyrosinase in the melanocytes. We produced Mitf as a(More)
The phenomenon known as multiple-drug resistance, whereby anti-cancer agents are expelled from cancer cells, makes it necessary to develop methods that will reliably increase the accumulation of anti-cancer agents within cancer cells. To accomplish this goal, a new model compound, Val-SN-38, was synthesized by introducing valine to SN-38, an active(More)
1. A novel diacylglyceride acyltransferase-1 (DGAT-1) inhibitor, 2-(4-(4-(5-(2-phenyl-5-(trifluoromethyl) oxazole-4-carboxamido)-1H-benzo[d]imidazol-2-yl)phenyl)cyclohexyl) acetic acid (KR-69232), was synthesized for a potential therapeutic use against several metabolic disorders, such as obesity, insulin resistance, and type II diabetes, characterized by(More)
A liquid chromatography-tandem mass spectrometry method was developed and validated for the quantification of KR-69232, a diacyltransferase 1 inhibitor, in rat plasma. KR-69232 in the concentration range of 0.004-4 µg/mL was linear. The intra-and inter-day precision and accuracy were acceptable (<20%). KR-69232 was stable under various storage and handling(More)
This study evaluated the pharmacokinetics of the novel TAZ modulator TM-25659 in rats following intravenous and oral administration at dose ranges of 0.5-5 mg/kg and 2-10 mg/kg, respectively. Plasma protein binding, plasma stability, liver microsomal stability, CYP inhibition, and transport in Caco-2 cells were also evaluated. After intravenous injection,(More)
We recently reported that Val-SN-38, a novel valine ester prodrug of SN-38, had greatly improved the intracellular accumulation of SN-38 in MCF-7 cell line, probably through enhanced uptake via amino acid transporters. In the present study, the efficacy of Val-SN-38 was further investigated both in vitro and in vivo. It was found that the in vitro cytotoxic(More)
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