지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Background: Metformin is an effective oral antihyperglycaemic agent for type 2 diabetes mellitus, with a variety of metabolic effects. In addition to controlling blood glucose level, it has been appeared to decrease the long-period complications of diabetes, including macrovascular disease. Few reports have addressed the metabolite profiling of metformin. The study was to evaluate if targeted metabolic profiling approach is sensitive enough to predict the therapeutic effects of metformin after a single oral dose. Methods: A randomized, open-label, single-dose study was conducted in twenty eight healthy Korean male volunteers. To determine the concentrations of endogenous metabolites in their pre-dose and post-dose plasma samples, blood samples were collected before and at 2 and 6 h after a single oral dose of 500 mg metformin. Both Modular P/Modular D analyzer and ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS)-based metabolic profiling was performed. Results: We quantified pre-dose and post-dose creatinine, blood urea nitrogen (BUN), lactic acid, 7 amino acids (lysine, glutamic acid, alanine, valine, leucine, phenylalanine, tryptophan), and 5 lysophosphatidylcholines (14:0, 16:0, 17:0, 18:0, and 18:1) using autoanalyser and UPLC-MS/MS. The postdose levels of alanine, lactic acid, glutamic acid, lysine, valine, leucine, phenylalanine, tryptophan, and lysoPC (18:1) were slightly decreased with statistical significance, but there is no clinical significance. Conclusion: In order to explore the potential endogenous metabolites associated with the therapeutic effects of metformin, further study including non-targeted (global) metabolite profiling is needed.
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