Effects of metformin plus gliclazide compared with metformin alone on circulating endothelial progenitor cell in type 2 diabetic patients. 2010

Lu-lu Chen, and Yun-fei Liao, and Tian-shu Zeng, and Fan Yu, and Hui-qing Li, and Yong Feng
Department of Endocrinology, Union Hospital, Huazhong University of Science and Technology, Wuhan, China. cheria_chen@126.com

Circulating endothelial progenitor cells (EPCs) play an important role in the development and progression of diabetic vascular complications. The aim of this study was to investigate the effects of gliclazide plus metformin (GLIMET) compared with metformin alone (MET) on number and function of circulating EPCs in T2DM patients. Patients with newly diagnosed T2DM were randomly divided into two groups, receiving the following treatments for 16 weeks: MET group (assuming metformin 500-2500 mg/day, n=24) and GLIMET group [assuming gliclazide (modified release, 30-60 mg/day)+metformin (250-1000 mg/day), n=23]. Circulating EPCs were quantified by flow cytometry, and the ability to uptake LDL and stain for lectin were used as another method of characterizing EPCs ex vivo. The functions of circulating EPCs were evaluated by colony-forming units (CFU) and migration. The status of oxidative stress was analyzed by serum-free malonaldehyde (MDA) and superoxide dismutase (SOD). There were no significant differences in clinical characteristics and number and function of circulating EPCs between two groups at baseline. Glycemic responses were similar after treatments. Compared with MET group, GLIMET group was associated with an increase in circulating EPCs number, DiLDL-lectin-positive EPCs, and migration. The mean improvements in MDA and SOD of GLIMET group were more strongly upregulated than those of MET group. This study demonstrated that both metformin mono-treatment and metformin plus gliclazide combination treatment provided with improvements in number and function of circulating EPCs. Compared with metformin mono-treatment, early use of combination therapy with gliclazide plus metformin made more effective improvements in circulating EPCs.

UI MeSH Term Description Entries
D007004 Hypoglycemic Agents Substances which lower blood glucose levels. Antidiabetic,Antidiabetic Agent,Antidiabetic Drug,Antidiabetics,Antihyperglycemic,Antihyperglycemic Agent,Hypoglycemic,Hypoglycemic Agent,Hypoglycemic Drug,Antidiabetic Agents,Antidiabetic Drugs,Antihyperglycemic Agents,Antihyperglycemics,Hypoglycemic Drugs,Hypoglycemic Effect,Hypoglycemic Effects,Hypoglycemics,Agent, Antidiabetic,Agent, Antihyperglycemic,Agent, Hypoglycemic,Agents, Antidiabetic,Agents, Antihyperglycemic,Agents, Hypoglycemic,Drug, Antidiabetic,Drug, Hypoglycemic,Drugs, Antidiabetic,Drugs, Hypoglycemic,Effect, Hypoglycemic,Effects, Hypoglycemic
D008078 Cholesterol, LDL Cholesterol which is contained in or bound to low density lipoproteins (LDL), including CHOLESTEROL ESTERS and free cholesterol. LDL Cholesterol,Cholesteryl Linoleate, LDL,LDL Cholesteryl Linoleate,Low Density Lipoprotein Cholesterol,beta-Lipoprotein Cholesterol,Cholesterol, beta-Lipoprotein,beta Lipoprotein Cholesterol
D008297 Male Males
D008687 Metformin A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289) Dimethylguanylguanidine,Dimethylbiguanidine,Glucophage,Metformin HCl,Metformin Hydrochloride,HCl, Metformin,Hydrochloride, Metformin
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002465 Cell Movement The movement of cells from one location to another. Distinguish from CYTOKINESIS which is the process of dividing the CYTOPLASM of a cell. Cell Migration,Locomotion, Cell,Migration, Cell,Motility, Cell,Movement, Cell,Cell Locomotion,Cell Motility,Cell Movements,Movements, Cell
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D003924 Diabetes Mellitus, Type 2 A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY. Diabetes Mellitus, Adult-Onset,Diabetes Mellitus, Ketosis-Resistant,Diabetes Mellitus, Maturity-Onset,Diabetes Mellitus, Non-Insulin-Dependent,Diabetes Mellitus, Slow-Onset,Diabetes Mellitus, Stable,MODY,Maturity-Onset Diabetes Mellitus,NIDDM,Diabetes Mellitus, Non Insulin Dependent,Diabetes Mellitus, Noninsulin Dependent,Diabetes Mellitus, Noninsulin-Dependent,Diabetes Mellitus, Type II,Maturity-Onset Diabetes,Noninsulin-Dependent Diabetes Mellitus,Type 2 Diabetes,Type 2 Diabetes Mellitus,Adult-Onset Diabetes Mellitus,Diabetes Mellitus, Adult Onset,Diabetes Mellitus, Ketosis Resistant,Diabetes Mellitus, Maturity Onset,Diabetes Mellitus, Slow Onset,Diabetes, Maturity-Onset,Diabetes, Type 2,Ketosis-Resistant Diabetes Mellitus,Maturity Onset Diabetes,Maturity Onset Diabetes Mellitus,Non-Insulin-Dependent Diabetes Mellitus,Noninsulin Dependent Diabetes Mellitus,Slow-Onset Diabetes Mellitus,Stable Diabetes Mellitus
D004359 Drug Therapy, Combination Therapy with two or more separate preparations given for a combined effect. Combination Chemotherapy,Polychemotherapy,Chemotherapy, Combination,Combination Drug Therapy,Drug Polytherapy,Therapy, Combination Drug,Chemotherapies, Combination,Combination Chemotherapies,Combination Drug Therapies,Drug Polytherapies,Drug Therapies, Combination,Polychemotherapies,Polytherapies, Drug,Polytherapy, Drug,Therapies, Combination Drug
D005260 Female Females

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