• Title, Summary, Keyword: OGTT

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Progression to Gestational Diabetes Mellitus in Pregnant Women with One Abnormal Value in Repeated Oral Glucose Tolerance Tests

  • Kang, Sunyoung;Kim, Min Hyoung;Kim, Moon Young;Hong, Joon-Seok;Kwak, Soo Heon;Choi, Sung Hee;Lim, Soo;Park, Kyong Soo;Jang, Hak C.
    • Diabetes and Metabolism Journal
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    • v.43 no.5
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    • pp.607-614
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    • 2019
  • Background: Women with one abnormal value (OAV) in a 100 g oral glucose tolerance test (OGTT) during pregnancy are reported to have an increased risk of adverse pregnancy outcomes. However, there is limited data about whether women with OAV will progress to gestational diabetes mellitus (GDM) when the OGTT is repeated. Methods: To identify clinical and metabolic predictors for GDM in women with OAV, we conducted a retrospective study and identified women with OAV in the OGTT done at 24 to 30 weeks gestational age (GA) and repeated the second OGTT between 32 and 34 weeks of GA. Results: Among 137 women with OAV in the initial OGTT, 58 (42.3%) had normal, 40 (29.2%) had OAV and 39 (28.5%) had GDM in the second OGTT. Maternal age, prepregnancy body mass index, weight gain from prepregnancy to the second OGTT, GA at the time of the OGTT, and parity were similar among normal, OAV, and GDM groups. Plasma glucose levels in screening tests were different (151.8±15.7, 155.8±14.6, 162.5±20.3 mg/dL, P<0.05), but fasting, 1-, 2-, and 3-hour glucose levels in the initial OGTT were not. Compared to women with screen negative, women with untreated OAV had a higher frequency of macrosomia. Conclusion: We demonstrated that women with OAV in the initial OGTT significantly progressed to GDM in the second OGTT. Clinical parameters predicting progression to GDM were not found. Repeating the OGTT in women with OAV in the initial test may be helpful to detect GDM progression.

Oral Glucose Tolerance Testing Allows Better Prediction of Diabetes in Women with a History of Gestational Diabetes Mellitus

  • Oh, Tae Jung;Kim, Yeong Gi;Kang, Sunyoung;Moon, Joon Ho;Kwak, Soo Heon;Choi, Sung Hee;Lim, Soo;Park, Kyong Soo;Jang, Hak C.;Hong, Joon-Seok;Cho, Nam H.
    • Diabetes and Metabolism Journal
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    • v.43 no.3
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    • pp.342-349
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    • 2019
  • Background: We aimed to identify the postpartum metabolic factors that were associated with the development of diabetes in women with a history of gestational diabetes mellitus (GDM). In addition, we examined the role of the oral glucose tolerance test (OGTT) in the prediction of future diabetes. Methods: We conducted a prospective study of 179 subjects who previously had GDM but did not have diabetes at 2 months postpartum. The initial postpartum examination including a 75-g OGTT and the frequently sampled intravenous glucose tolerance test (FSIVGTT) was performed 12 months after delivery, and annual follow-up visits were made thereafter. Results: The insulinogenic index (IGI30) obtained from the OGTT was significantly correlated with the acute insulin response to glucose (AIRg) obtained from the FSIVGTT. The disposition indices obtained from the OGTT and FSIVGTT were also significantly correlated. Women who progressed to diabetes had a lower insulin secretory capacity including IGI30, AIRg, and disposition indices obtained from the FSIVGTT and OGTT compared with those who did not. However, the insulin sensitivity indices obtained from the OGTT and FSIVGTT did not differ between the two groups. Multivariate logistic regression analysis showed that the 2-hour glucose and disposition index obtained from the FSIVGTT were significant postpartum metabolic risk factors for the development of diabetes. Conclusion: We identified a crucial role of β-cell dysfunction in the development of diabetes in Korean women with previous GDM. The 2-hour glucose result from the OGTT is an independent predictor of future diabetes. Therefore, the OGTT is crucial for better prediction of future diabetes in Korean women with previous GDM.

Antidiabetic Activities Analysis by Oral Glucose Tolerance Test in Rats

  • Kang, Myung-Hwa;Choi, Mi-Kyeong
    • Reproductive and Developmental Biology
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    • v.34 no.4
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    • pp.305-308
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    • 2010
  • In this study, we conducted an oral glucose tolerance test (OGTT) so as to compare antidiabetic activities of general potatoes, purple-flesh potatoes, and potato pigments in rats at various concentration levels. After allowing the rats to abstain from food for 12 hours, 10%/20% general potato, purple-flesh potato, and potato extract was orally administered to rats at 100 and 500 mg/kg concentrations. The blood glucose level was measured after an hour. Then, immediately, 1.5 g/kg of sucrose was administered through the abdominal cavity and the blood glucose measured after 30, 60, 120, and 180 minutes. 20% purple-flesh potato group and 10% general potato group, both 100 and 500 mg/kg, showed a significant concentration-dependent decrease in blood glucose levels after 30 minutes. The 100 mg/kg potato pigment group also showed a statistically significant decrease after 30 minutes. In conclusion, administration of 10% general potato, 20% purple-flesh potato, and potato pigment can reduce blood glucose level in an OGTT using rats.

Glycemic Index and Oral Glucose Tolerance Test of Takju (Korean turbid rice wine) Lees Extract (막걸리 박 열수추출물의 혈당지수 및 제2형 당뇨 모델 동물에서 경구혈당내성에 미치는 영향에 관한 연구)

  • Lee, Hyun-Sook;Hong, Kyoung-Hee;Yoon, Cheol-Ho;Cho, Woo-Kyoun;Kim, Soon-Mi
    • Journal of the Korean Society of Food Culture
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    • v.23 no.5
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    • pp.662-665
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    • 2008
  • Takju lees extract is expected to be a promising material for functional food. This study was conducted in order to assess the glycemic index (GI) of Takju lees extract and its effects in an oral glucose tolerance test (OGTT). The GI for Takju lees extract was evaluated with 10 healthy young adults (Male 5, Female 5). OGTT was conducted in 20 male db/db mice, fed on a diet containing 2% Takju lees extract for 4 weeks. Those animals were subjected to OGTT after one oral administration of Takju lees extract at 2 g/kg BW. The GI of the Takju lees extract was measured at 97.97. The effects of the Takju lees extract on the oral glucose tolerance test in db/db mice evidenced no differences as compared to the control group. In conclusion, Takju lees extract is a high GI material, and it has no effect on blood glucose levels in a type II diabetic animal model. Further studies will be required to confirm its anti-diabetic effects.

Antidiabetic Effect of So-Dang-Hwan in Streptozotocin-induced Diabetic Rats (소당환이 Streptozotocin으로 유발된 흰쥐의 당뇨에 미치는 영향)

  • Jung, Jin-Ki;Park, Yong-Ki
    • The Korea Journal of Herbology
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    • v.24 no.1
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    • pp.159-167
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    • 2009
  • Objectives : So-Dang-Hwan (SDH) is used as a traditional treatment of diabetes in oriental clinics in Korea. This study aimed to evaluate antidiabetic effect of SDH in streptozotocin (STZ)-induced diabetic rats. Methods : Diabetes was induced by i.p. injection of STZ (45 mg/kg) to Sprague-Dawley rats. Experimental animals (eight per group), were treated by oral administration of SDH (60 mg/kg body weight) and glibenclimide (1 mg/kg), a known antidiabetic drug for comparison, during 5 weeks. To veridy the effect of SDH, the levels of glucose, triglyceride, insulin, BUN and creatinine were measured in sera from experimental diabetic rats, and an oral glucose tolerance test (OGTT) was also performed. Results : SDH prevented body weight loss in diabetic rats. SDH exhibited at termination, a significant reduction in blood glucose levels in STZ-induced diabetic rats. SDH significantly reduced serum creatinine levels toward the normal levels. The OGTT results showed a significant improvement in glucose tolerance in rats treated with SDH. Conclusions : These data indicate that SDH treatment may improve glocose homeostasis in STZ-induced diabetes.

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Effect of Pinus densiflora Extract on Blood Glucose Level, OGTT and Biochemical Parameters in Streptozotocin Induced Diabetic Rats (솔잎증류액의 투여가 Streptozotocin으로 유도한 당뇨쥐에서 혈당, 구강내당능검사, 혈액 성분에 미치는 영향)

  • Kim, Shin-Hee;Hwang, Seock-Yeon;Park, Oh-Sung;Kim, Moo-Kang;Chung, Young-Jin
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.34 no.7
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    • pp.973-979
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    • 2005
  • To investigate the effect of Pinus densiflora on biochemical parameters in type I diabetic rats, we evaluated the changes of body weight, fasting blood glucose level, oral glucose tolerance test (OGTT) and biochemical parameters after the intraperitoneal injection of distilled solution of Pinus densiflora in streptozotocin (STZ)­induced rats. Thirty-seven male Sprague Dawley rats $(180\pm10g)$ were divided into four groups; diabetic mellitus (DM) group received STZ (50 mg/kg BW, i.v.); low level of pine extract (LP) group received Pinus densiflora (5 mg/kg BW, i.p.), high level of pine extract (HP) group received Pinus densiflora (10 mg/kg BW, i.p.) after the single injection of STZ (50 mg/kg BW, i.v.), respectively. Normal control (NC) group received saline. The change of fasting blood glucose level and OGTT were measured using glucocard II, and the change of biochemical parameter were measured by Automatic Chemistry Analyzer (Hitach-747, Japan). Mean body weight change of DM group was retarded greatly by STZ-exposure. While, body weights of LP and HP groups were progressively increased with some fluctuation, although the increase rates were slower than that of NC group. Fasting blood glucose levels of LP and HP groups were reduced by Pinus densiflora injection, although the fasting blood glucose levels were higher than that of NC group. The results of OGTT was significantly improved in both of LP and HP group compared to DM group. Increases of blood glucose, alanine aminotransferase (ALT), alkaline phosphatase (ALP) and blood urea nitrogen (BUN) levels by STZ-exposure were attenuated by the Pinus densiflora treatment (p<0.05). From the results, it was suggested that Pinus densiflora has a tendency to decrease STZ-induced toxicity in terms of monitoring fasting blood glucose, OGTT and some biochemical parameters of rat.

Antidiabetic Activity of Formular containing an Euonymus alata and Mori Foluim in Multiple Low Dose Streptozotocin-induced Rats

  • Chung, Sung-Hyun;Lee, Sung-Hyun;Kim, Hee-Ja
    • Proceedings of the PSK Conference
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    • pp.97.1-97
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    • 2003
  • Antidiabetic activity of formular containing an Euonymus alata (EA) and Mori Foluim (MF) was investigated in oral glucose tolerance test (OGTT) and multiple low dose Streptozotocin (MLDSTZ)-induced rats. Optimum ratio between EA and MF was found to be 1:1 in OGTT, and two strengths (250 and 500 mg/kg for each medicinal plant) were coadministered with 20 mg/kg of STZ in 5 consecutive days. At 3rd week, water and food intakes were compared between groups and polydipsia and polyphagia shown in diabetic control were markedly improved in dose dependent manner. (omitted)

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Anti-Diabetic Effect of Black Ginseng in C57BLKS/J-$db/db$ Mice (C57BLKS/J-$db/db$ 마우스에서 흑삼의 항당뇨 효과)

  • Kang, Shin-Jung;Kim, Ae-Jung
    • The Korean Journal of Food And Nutrition
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    • v.24 no.4
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    • pp.770-776
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    • 2011
  • 본 연구는 흑삼의 항당뇨 효과를 알아보고자 4그룹(정상군, 당뇨 쥐, 당뇨 쥐에게 백삼을 투여한 군, 당뇨 쥐에게 흑삼을 투여한 군)으로 나누어 6주간 실시하였다. 6주 후 식품섭취량, 체중 증가량을 비교하였는데, 식품섭취량, 체중 증가량에는 그룹 간에 유의적인 차이가 나타나지 않았으나, OGTT(oral glucose tolerance test)와 IPITT(intraperitoneal insulin tolerance test) 경우는 흑삼 투여군에서 긍정적인 결과를 나타내었다. 또한 혈청 포도당과 인슐린농도에 미친 영향을 비교, 분석한 결과, 흑삼 투여군에서 공복 시 혈당, 혈청 포도당, 인슐린 농도가 유의적으로 감소하였다. 이 결과를 미루어 볼 때 흑삼이 백삼에 비해 당뇨를 치료하는데 더 효과적일 것으로 판단된다.

Influence of Total Abdominal Fat Accumulation on Serum Lipids and Lipoproteins in Korean middle-aged men (한국 중년 남성에서 복부지방 축적이 혈청 지질 및 지단백 농도에 미치는 영향)

  • 허갑범;이종호;백인경;안광진;정윤석;김명중;이현철;이영해;이양자
    • Journal of Nutrition and Health
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    • v.26 no.3
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    • pp.299-312
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    • 1993
  • Anthropometry, computed tomography(CT) at the umbilical level, nutrient intake, blood pressure, serum levels of lipids and lipoproteins and response of glucose, c-peptide, insulin, and free fatty acid(FFA) during oral glucose tolerance test(OGTT) were estimated on 11 normal-weight controls and 35 overweight and obese middle-agd men. The areas of total abdominal, subcutaneous and visceral were determined by CT scanning technique. Total abdominal fat area correlated the most significantly with the levels of serum lipids, lipoproteins and insulin among several obese indices. Compared with normal-weight controls, overweight and obese men with abdominal fat lower than 29000$\textrm{mm}^2$ showed an increase in waist-hip ratio, areas of total abdominal(35%), visceral and subcutaneous fat and C-peptide response area during OGTT, though age, percent ideal body weight, body mass index, % body fat, and all biochemical indices except C-peptide response area were not different between two groups. Overweight and obese men with abdominal fat greater than 29000$\textrm{mm}^2$ showed a higher values in total abdominal fat(85%), serum levels of triglyceride, total-and LDL-cholesterol, the ratio of LDL-to HDL-cholesterol, and response areas of FFA, insulin and C-peptide during OGTT than normal-weight controls. Overweight and obese men with great abdominal fat showed an increase in alcohol ingestion and percent calorie intake per total energy expenditure, compared with normal-weight controls. Our results indicate that obesity and a certain level of total abdominal fat accumulation is required to observe abnormal levels of serum lipids, lipoproteins and insulin in Korean middle-aged men. In addition, increased alcohol and calorie intake and decreased physical activity could partly explain total abdominal fat accumulation in men.

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Studies about the bioactive component analysis and an oral glucose tolerance test of Add-Omit-Saenghyeoryunbu-eum(AO-SHU) for confirmation of diabetes therapy (가감생혈윤부음(加減生血潤膚飮)의 당뇨병 치료효과 확인을 위한 생리활성성분 분석과 경구포도당부하 연구)

  • In, Jeongdo;Im, Daisig;Kim, Won-Ill
    • Herbal Formula Science
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    • v.24 no.2
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    • pp.80-99
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    • 2016
  • Objectives : Instrumental chemical analysis was utilized to investigate the effect of Add-Omit-Saenghyeoryunbu-eum(AO-SHU) on diabetic treatment. One of the most exciting, yet also controversial, arguments is the safety and biological mechanisms of the natural medicine on human body. Therefore, the aim of this study is to provide a better understanding on bioactive chemical components, hazards of heavy metal contamination and biological mechanism of the diabetic medicine composed of 12 different natural herbs. Methods : To study bioactive compound and metallic component in the diabetic medicine in detail, LC-MS/MS (Liquid Chromatography-Mass/Mass), GC (Gas Chromatography) and ICP (Inductively Coupled Plasma) were utilized to characterize the extract of the diabetic medicine and the result was compared with 18 marker substances selected from literature survey. In addition, in vitro assay experiments including GPR 119 activity and human DGAT-1 inhibition, and OGTT (Oral Glucose Tolerance Test) were performed to verify the effectiveness of this medicine on diabetic treatment. Results : Out of 18 marker substances, 9 bioactive compounds were identified from LC-MS/MS analysis which include Citruline, Catalpol, Berberine, Ginsenoside Rb1, Ginsenoside Rg1, Oleanolic acid, β-Sitosterol, Mangiferin, and Schizandrin. ICP study on 245 residual pesticides revealed that 239 species were not detected but 6 species, Dimethomorph, Trifloxystrobin, Pyraclostrobin, Isoprocarb, Carbaryl and Flubendiamide, while the amounts are trace levels, below permitted concentrations. The biological activity was observed in vitro assay and Oral Glucose Tolerance Test(OGTT), which are consistent with a preliminary clinical test result, a drop in blood sugar level after taking this herbal medicine. Conclusions : Instrumental chemical analysis using LC-MS/MS, GC, and ICP was conducted successfully to identify bioactive compounds in AO-SHU for the treatment of diabetes, finding 9 bioactive compounds. Furthermore, in vitro assay experiments and OGTT show that AO-SHU has its biological activities, which imply that it can be a candidate for the future diabetes remedy.