The glycemic variability is one component of unified glucose tetrad concept.The long-term glycemic fluctuation may enhance the oxidative stress reaction,which can promote the development of micro vascular complications.The relationship between the glycemic variability and the CVD deserves further investigation.CGMS is helpful to monitor the glucose fluctuation especially in those with fragile diabetes and no symptom hypoglycemia.The suitable regime is the key point to control glycemic variability,even after the desired HbA1c target is attained. Abstract:Summ ary:The glycem ic variab ility is one component of un ified glucose tetrad concept.The long-term glycem ic fluctuation m ay enhance the oxidative stress reaction,wh ich can promote the developm ent ofm icro vascu lar comp lications.The rela-tionsh ip between the glycem ic variab ility and the CVD deserves further investigation.CGMS is helpfu l to mon itor the glu-cose fluctuation espec ially in those w ith fragile d iabetes and no symptom hypoglycem ia.The su itab le regim e is the key point to control glycem ic variab ility,even after the desired HbA1c target is attained.

[Summary] As of 2014, an estimated 387 million people have diabetes mellitus ( DM) worldwide, which represents 8.3%of the adult population.China Noncommunicable Disease Surveillance in 2010 shows that the overall prevalence of DM is estimated to be 11.6%(approximately 113.9 million) in the Chinese adult population, with the prevalence among men of 12.1%and women of 11.0%, respectively.Control of blood glucose is fundamental to DM management.Despite the availability of several antihyperglycemic agents, only 53%of patients with DM achieve the recommended goals for DM care of HbA1C<7.0%.According to the National Health and Nutrition Examination Survey and the Behavioral Risk Factor Surveillance System Survey during the period of 10 years in the United States, 33.4%to 48.7%of persons with DM still have not met the targets for glycemic control, blood pressure or lipid level.In order to improve glycemic control, there is a need for new therapeutic options with innovative mechanisms of action and acceptable safety profiles.As a newly developed class of oral antidiabetic drugs, sodium-glucose co-transporter 2 inhibitors(SGLT2i) have recently been approved for the treatment of patients with type 2 diabetes mellitus, including canagliflozin, dapagliflozin, and empagliflozin.Evidence from clinical trials has suggested promising efficacy and safety of SGLT2i when used as monotherapy or in combination with other antihyperglycemic medications.SGLT2i significantly reduce HbA1C and fasting plasma glucose, and are well tolerated in general with a low intrinsic propensity to cause hypoglycemia, as well as rare severe renal or cardiovascular adverse events reported.

Objective To investigate the changes of blood glucose and insulin after intake of staple food containing potato,sorghum or wheat in healthy adults. Methods This study had a cross-over design. A total of 12 healthy adults were recruited and randomly averaged into 3 groups. After fasting for 10 hours,all the subjects were treated with steamed buns of potato,sorghum and wheat flours(100 g in raw flour),respectively. Serum glucose,insulin,triglyceride(TG),total cholesterol(TC)and uric acid(SUA) were measured at fasting,0.5 h,1 h,2 h and 3 h. After a wash period for 3 days,subjects crossed over to alternate group at second intervention and third intervention on the 5 th and 9 th day. During each intervention,the entire above index were tested. Results Postprandial insulin levels at 3 h was significantly higher in the potato steamed buns group(4.74 μU/ml)than in the sorghum steamed buns (1.65 μU/ml)group(P =0.028). There were no statistical differences in blood glucose and fasting,0.5 h,1 h,2 h insulin level. Conclusion Postprandial insulin level at 3 h was higher in potato flour steamed buns than in sorghum flour steamed buns.

Objective To observe the effects of aerobic training on plasma tissue plasminogen activator/plasminogen activator inhibitor-1 and postaglandin I2/thromboxanes A2 in rats fed a high methionine diet. Methods Ninetysix male Wistar rats were randomly divided into a normal diet control group (CR), a high methionine diet group (MR)and a high methionine diet plus 90 min aerobic training intervention group (T + MR). After 8 weeks of training, the plasma level of homocysteine (Hcy) 6-keto-PGF1α, TXB2, t-PA and PAI-1 were measured. Results Plasma Hcy in the MR group increased two-fold as compared with the CR group, whereas t-PA/PAI-1 and 6-keto-PGF1α/TXB2 of the MR group decreased significantly. Plasma Hcy in the T + MR group significantly decreased, while plasma t-PA/PAI-1 and 6-ketoPGF1α/TXB2 increased significantly compared with the MR group. The above parameters were not different in the T + MR group from those of the CR group. Conclusions Hyperhomocysteinemia could be induced by a high methionine diet.Proper training can decrease the plasma Hcy level of rats fed with a high methionine diet, and correcting the imbalance of t-PA/PAI-1 and 6-Keto-PGF1α/TXB2 could prevent the development of hyperhomocysteinemia.

Objective To observe the effects of aerobic exercise on the plasma content of homocysteine (Hcy),total nitric oxide synthase(T-NOS) and nitric oxide (NO) in rats fed a high methionine diet. Methods A total of 24 male Wistar rats were randomly divided into a normal diet(CR)group,a high methionine diet(MR) group and a high methionine diet plus swimming group(T+MR),and treated accordingly for 8 weeks.At the end of the treatment,all the animals were tested for plasma T-NOS,NO and homocysteine levels.Results Plasma homo-cysteine doubled,whereas T-NOS and NO levels in the MR group decreased significantly as compared with the CR group,suggesting that hyperhomocysteinemia was induced by the high methionine diet.Plasma homocysteine content decreased significantly in the T+CR group,but plasma T-NOS and NO increased significantly compared with the MR group.These indicators were not significantly different for the T+MR group from those of the CR group. Conclu-sion Adequate aerobic exercise can decrease the plasma level of homocysteine in rats fed a high methionine diet,and increase the plasma level of T-NOS and NO,helping prevent the development of hyperhomocysteinemia.

Objective To establish a model of isoniazid induced necrosis and apoptosis in HepG2 cell and to observe the expressions of Fas/Fas ligand (FasL) in this model.Methods HepG2 cells were treated with different dosages of isoniazid (0,1,2,4,6 and 8 mg/mL) or blank control for 24 hours.Flow cytometer was used to observe the cellular morphology of the HepG2 cell.Annexin V/propidium iodide double staining and flow cytometry were employed to detect the necrosis and apoptosis of HepG2 cells.The expressions of Fas/FasL on the cells were also determined by flow cytometry.The data were analyzed by one-way ANOVA.The comparisons between the drug groups and the control group were performed by using Dunnett t test. Results The higher the dose of isoniazid (4,6,8 mg/mL) was,the more necrosis and apoptosis were observed.In the 4,6 and 8mg/mL isoniazid arms,the total mortality rates were all higher than the control group [(32.1 ±7.5)％,(34.9±8.1)％,(38.2±9.4)％ vs (7.2±1.5)％ respectively](t=4.62,5.14 and 5.75,respectively; all P＜0.01 ).The expression levels of Fas increased along with the dose of isoniazid increasing [(8.7±2.2)％,(11.5±2.8)％,(12.3±3.0)％ and (10.6±2.9)％ in isoniazid 2,4,6and 8 mg/mL arms,respectively],which were all higher than that in control arm [(3.1 ±0.8) ％](t=2.97,P＜0.05; t=4.46,P＜0.01; t=4.88,P＜0.01; t=3.98,P＜0.05).Furthermore,the expressions of FasL increased as well when the dose of isoniazid increased.The expression levels of FasL were (16.2±3.5)％,(21.7±4.8)％ and (18.7±4.9)％,respectively in isoniazid 4,6 and 8 mg/mL arms,which were all higher than that in the control group [(7.4±1.4)％](t=3.11,P＜0.01; t=5.06,P＜0.01; t=3.99,P＜0.05).HepG2 cell necrosis increased with isoniazid of 8 mg/mL.However,the increase of apoptosis was not observed.Conclusion Isoniazid can induce HepG2 cell necrosis and apoptosis,and the apoptosis may be related with the increased expressions of the Fas/FasL on the cells.

Objective To explore the application of students' evaluations of educational quality questionnaire (SEEQ) and related influencing factors in the teaching effectiveness evaluation of medical faculty.Methods 477 Grade 1-4 five-years medical students in China medical university were investi-gated to evaluate the teaching effectiveness.We used the internal consistency and principal component method to test the reliabihty and validity of the scales.We analyzed different influencing factors of educational quality including different gender,grade,student academic achievement and curriculum type with the t-test and AVONA in the SPSS 19.0 software,P＜0.05 was considered statistically.Results The Cronbach's α coefficient of SEEQ was 0.89,the cumulative variance contribution rate was 86.43％,the reliability and validity of the questionnaire were good.Girls scored higher in the teacher-student relationships domain than boys(P=0.022).Students in the lower grade had lower scores in the dimen-sions of the scales (P＜0.05).Clinical courses scored higher in all dimensions of the scales(P＜0.05) than basic medical courses.Outstanding students had higher scores in the sense of the learning value,teacher-student relationships,the scope of teacher's knowledge and curriculum management than nor-ma] students(P＜0.05).Conclusions It is feasible that SEEQ questionnaire is applied in the teaching evaluation of medical facuhy.Medical faculties should carry out teaching innovation according to the characteristics of different students and course type with the targeted method.

Objective:To establish a multidrug resistant human salivary adenoid cystic carcinoma cell line. Methods:Salivary adenoid cystic cells of the cell line SACC were exposed to 1 ?g/ml of DDP for 48 h at the interval of one month. 6 months later, the cell line was established and named SACC/DDP. MTT method was used to study the drug resistance of SACC and SACC/DDP cells against 4 chemotherapeutic agents(MTX, PYM, VCR, MMC). Flow cytometry was adopted to study the cell cycle distribution of the cells after treatment with 4 agents at different concentrations for 72 h. Results:The drug resistance of SACC/DDP cells against VCR,MTX,PYM and MMC was 2.9,2.4,1.1 and 1.8 times of that of SACC cells. The ratio of G0 cell number to G1 cell number in SACC/DDP cell line was smaller than that in SACC cell line after treatment with the 4 agents at different concentrations respectively.Conclusion:The multidrug resistant human salivary adenoid cystic carcinoma cell line can be estabished by exposing parent cell line SACC periodically to DDP.

Objective To investigate the influence of combined kinetotherapy with non-drug sleep on delirium in patients with mechanical ventilation. Methods 107 cases with acute exacerbation of chronic obstructive pulmonary diseases (COPD) respiratory failure and mechanical ventilation were randomly divided into the treatment group of 54 cases, and the control group of 53 cases. Two groups of patients were given conventional treatment, the treatment group while giving to kinetotherapy and non-drug sleep:an eye mask earplugs at night. Observe the difference of the incidence of delirium, duration of delirium, number of days of mechanical ventilation, case fatality rate. Results The incidence of delirium in the treatment group was 59.3%(32/54), while that was 77.4%(41/53) in the control group, the difference was significant, χ2=4.042,P=0.044. The duration of delirium in treatment group was (1.75 ± 1.05) d, while that was (2.56 ± 1.25) d in the control group, the difference was significant, t=-2.955, P=0.004. The number of days of mechanical ventilation in treatment group was (6.41 ± 2.84) d, while in the control group was (8.68 ± 3.85) d, the difference between the two groups was significant, t=-3.478,P=0.001. The case fatality rate in treatment group was 5.6%(3/54), while in the control group was,11.3%(6/53) , the difference between the two groups was no significant, P=0.283. Conclusions Kinetotherapy cooperate with non-drug sleep can reduce the incidence of delirium, duration of delirium and number of days of mechanical ventilation in patients with mechanical ventilation. This method are simple and it is worth spreading.

Objective Liver metastasis model of human primary gastric lymphoma in nude mice was reproduced for an experiment to evaluate the inhibitory effect of cytokine-induced killer (CIK) cells on the growth and liver metastasis of primary gastric lymphoma. Methods Surgical orthotopic implantation of a histologically intact liver metastasis fragment derived from a surgical specimen of a patient with metastatic gastric lymphoma was initally implanted, in order to reprodueing a liver metastasis model of human primary gastric lymphoma. Peripheral blood mononuclear cells (PBMC), isolated by blood cell separator from healthy donors and patients with primary gastric lymphoma, were incubated in vitro. rhIFN-?, rhIL-2 and anti-CD3 McAb were added to PBMC in order to prepare CIK cells as well as lymphokine-activated killer (LAK) cells. CIK and LAK cells from different donors were used in treating gastric malignant lymphoma, so as to investigate the inhibitory effect of 2 kinds of effector cells on the growth of the tumor and liver metastasis. Results The liver metastasis model of human primary gastric malignant lymphoma in nude mice was successfully reproduced. After administration of different agents continuously for 20 days (0.3ml/d), the inhibitory rates of the following 4 groups, healthy donors LAK group (2?1010/ml), healthy donors CIK group (2?1010/ml), patients CIK group (1?1010/ml) and patient CIK group (2?1010/ml), were 39.28%, 53.57%, 40.38% and 56.42%, respectively. The liver metastasis rates in control group, healthy donors LAK group, healthy donors CIK group, patients CIK group (1?1010/ml) and patient CIK group (2?1010/ml), were 100.0%, 62.5%, 50.0%, 62.5% and 37.5%, respectively. Tumor weights of all treatment groups were lighter than that of saline group (P