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Background@#Prediabetes leads to declines in physical function in older adults, but the impact of prediabetes progression or regression on physical function is unknown. This study assessed this longitudinal association, with physical function objectivelymeasured by grip strength, walking speed, and standing balance, based on the Health and Retirement Study enrolling United States adults aged >50 years. @*Methods@#Participants with prediabetes were followed-up for 4-year to ascertain prediabetes status alteration (maintained, regressed, or progressed), and another 4-year to assess their impacts on physical function. Weak grip strength was defined as <26 kg for men and <16 kg for women, slow walking speed was as <0.8 m/sec, and poor standing balance was as an uncompleted fulltandem standing testing. Logistic and linear regression analyses were performed. @*Results@#Of the included 1,511 participants with prediabetes, 700 maintained as prediabetes, 306 progressed to diabetes, and 505 regressed to normoglycemia over 4 years. Grip strength and walking speed were declined from baseline during the 4-year followup, regardless of prediabetes status alteration. Compared with prediabetes maintenance, prediabetes progression increased the odds of developing weak grip strength by 89% (95% confidence interval [CI], 0.04 to 2.44) and exhibited larger declines in grip strength by 0.85 kg (95% CI, –1.65 to –0.04). However, prediabetes progression was not related to impairments in walking speed or standing balance. Prediabetes regression also did not affect any measures of physical function. @*Conclusion@#Prediabetes progression accelerates grip strength decline in aging population, while prediabetes regression may not prevent physical function decline due to aging.
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Objective:To explore the relationship between metabolic score for insulin resistance (METS-IR) and chronic kidney disease (CKD) and albuminuria in the Chinese population.Methods:This cross-sectional study was conducted from January to December 2018 among residents aged 20 to 70 years in ten regions of eight provinces in China; all residents had lived in their region for more than 5 years. Various parameters were measured, included fasting blood glucose, 2-hour postprandial blood glucose, glycosylated hemoglobin (HbA 1c), blood lipids, renal function, urinary albumin/creatinine ratio (UACR), etc. Data of 5 060 subjects meeting the criteria were included in the study. CKD was defined as estimated glomerular filtration rate (eGFR)<60 ml·min -1·1.73 m -2 or UACR≥30 mg/g. Albuminuria was defined as UACR≥30 mg/g. METS-IR was calculated and categorized into quartiles: Q1, METS-IR≤32.19; Q2, METS-IR 32.20-37.10; Q3, METS-IR 37.11-42.58; and Q4, METS-IR>42.58. The correlation between METS-IR and CKD and albuminuria was analyzed by binary logistic regression, and subgroup analyses were performed. Results:There were 1 266, 1 266, 1 265, and 1 263 participants included in Q1-Q4 groups, respectively. With the increase of METS-IR quartile, various parameters increased, including age, fasting blood glucose, HbA 1c, triglycerides, serum uric acid, waist circumference, body mass index, and systolic and diastolic blood pressure, and the proportion of males also increased (all P<0.05). The proportion of patients with CKD and albuminuria increased significantly with the increase in interquartile range (Q) of METS-IR (all P<0.05). Logistic regression analysis showed that for every 1-unit increment of METS-IR, the risk of CKD and albuminuria were both increased by 2% [for both: odds ratio ( OR)=1.02, 95% confidence interval ( CI) 1.01-1.03]. Compared with the lowest METS-IR group (Q1), the ORs for CKD and albuminuria in the highest METS-IR group (Q4) were 1.57 (95% CI 1.17-2.10) and 1.46 (95% CI 1.09-1.96), respectively. In the subgroup analyses, increased METS-IR was significantly associated with CKD and albuminuria among women (CKD: OR=1.62, 95% CI 1.14-2.31; albuminuria: OR=1.53, 95% CI 1.07-2.18), individuals with HbA 1c<7% ( OR=1.64, 95% CI 1.21-2.23; OR=1.55, 95% CI 1.14-2.11), individuals with eGFR≥90 ml·min -1·1.73 m -2 ( OR=1.78, 95% CI 1.27-2.49; OR=1.80, 95% CI 1.28-2.53), and the Chinese Han population ( OR=1.56, 95% CI 1.13-2.17; OR=1.41, 95% CI 1.01-1.96). Conclusions:METS-IR is significantly associated with CKD and albuminuria in a Chinese population. Furthermore, the higher the METS-IR, the higher the risk of CKD and albuminuria.
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Objective:To assess the relationship between appendicular skeletal muscle mass (ASM) and ankle brachial index (ABI) among patients with type 2 diabetes.Methods:In this cross-sectional study, from July 2018 to March 2019, a total of 278 patients with type 2 diabetes treated in Zhongda Hospital were enrolled in this study, and there were 158 males and 120 females. General information and clinical biochemical parameters and ABI in the patients were collected. The appendicular muscle mass was quantitatively measured with body composition analyzer to achieve ASM. And the appendicular skeletal muscle mass index (ASMI), skeletal muscle index (SMI), and appendicular skeletal muscle mass/body mass index (ASM/BMI) were calculated respectively. Correlation analysis and multiple linear regression analyses with different adjustment models were conducted to analyze the correlation between ABI and above-mentioned indexes.Results:The Pearson correlation analysis showed that ABI had significant positive correlation with ASM, ASMI and ASM/BMI ( r=0.14, 0.13, 0.13, all P<0.05), but a marginal relation with SMI ( r=0.116, P=0.053). Multiple linear regression analysis suggested that ASMI ( β=0.053, 95% CI: 0.006-0.101, P=0.027) and AMI/ABI ( β=0.347, 95% CI: 0.040-0.654, P=0.027) were significantly related to ABI. Conclusion:ASM is positively associated with ABI in patients with type 2 diabetes.
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Background@#Creatinine-to-cystatin C ratio is recently suggested to be a surrogate marker for sarcopenia. However, little is known about its association with diabetes. This study aimed to fill in this gap based on a large-scale prospective cohort. @*Methods@#A population-based representative sample of 5,055 participants aged ≥45 years from the China Health and Retirement Longitudinal Study was enrolled between 2011 and 2012 and followed at least once during the subsequent surveys at 2013, 2015, or 2018. Creatinine-to-cystatin C ratio was calculated and normalized by body weight. Incident diabetes was ascertained by plasma glucose, glycosylated hemoglobin, self-reported history, or use of anti-diabetic drugs. Logistic regression analysis and mediation analysis were employed. @*Results@#During follow-up, 634 participants developed diabetes. The risk of diabetes was gradually and significantly decreased with increased normalized creatinine–cystatin C ratio. The multivariable-adjusted odds ratio for diabetes was 0.91 (95% confidence interval, 0.83 to 0.99) per 1 standard deviation higher of normalized creatinine-to-cystatin C ratio, and this relationship remained significant after controlling for muscle strength. The risk reduction in diabetes was significantly larger in participants with normal-weight and high normalized creatinine-to-cystatin C ratio compared with those with overweight/obesity and high normalized creatinine-to-cystatin C ratio (Pinteraction=0.01). Insulin resistance and inflammation appeared to be key mediators accounting for the observed relationship between normalized creatinine-to-cystatin C ratio and risk of diabetes, with their mediating effect being 93.1% and 22.0%, respectively. @*Conclusion@#High normalized creatinine-to-cystatin C ratio is associated with reduced risk of diabetes in middle-aged and older adults.
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Idiopathic hypoparathyroidism is a rare endocrine disease. It is often manifested as neuropsychiatric symptoms, especially epileptic seizures. Thus, it is easy to be misdiagnosed as primary epilepsy. The following case report details the diagnosis of a 17-year-old girl who had been misdiagnosed as primary epilepsy for a long time. She was found hypoparathyroidism during the hospitalization for the operation of ovarian mixed germ cell tumor. After whole exome sequencing, she was ultimately diagnosed as 22q11.2 deletion syndrome. This case suggested that clinicians should be aware of the possibility of hypoparathyroidism in adolescent epilepsy, especially hereditary hypoparathyroidism. At the same time, the possible high risk of tumors should also be considered in hereditary hypoparathyroidism.
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Background@#Diabetes can complicate hypertension management by increasing the risk of cardiovascular disease (CVD) and all-cause mortality. Studies targeting diabetes detection in hypertensive individuals demonstrating an increased risk of diabetes are lacking.We aimed to assess the performance of hemoglobin A1c (HbA1c) and its cut-off point in detecting diabetes in the abovementioned population. @*Methods@#Data from 4,096 community-dwellers with hypertension but without known diabetes were obtained from the Study on Evaluation of iNnovated Screening tools and determInation of optimal diagnostic cut-off points for type 2 diaBetes in Chinese muLti-Ethnic (SENSIBLE) study; these data were randomly split into exploration (70% of the sample) and internal validation (the remaining 30%) datasets. The optimal HbA1c cut-off point was derived from the exploration dataset and externally validated using another dataset from 2,431 hypertensive individuals. The oral glucose tolerance test was considered the goldstandard for confirming diabetes. @*Results@#The areas under the ROC curves for HbA1c to detect diabetes were 0.842, 0.832, and 0.829 for the exploration, internal validation, and external validation datasets, respectively. An optimal HbA1c cut-off point of 5.8% (40 mmol/mol) yielded a sensitivity of 76.2% and a specificity of 74.5%. Individuals who were not diagnosed as having diabetes by HbA1c at 5.8% (40 mmol/mol) had a lower 10-year CVD risk score than those diagnosed as having diabetes (P = 0.01). HbA1c ≤ 5.1% (32 mmol/mol) and ≥ 6.4% (46 mmol/mol) could indicate the absence and presence of diabetes, respectively. @*Conclusions@#HbA1c could detect diabetes effectively in community-dwellers with hypertension.
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Objective@#To investigate the effects of acylated ghrelin and des-acylated ghrelin on skeletal muscle atrophy in elderly mice.@*Methods@#Eighteen-month-old wild type(WT)mice and ghrelin-/- mice were selected to perform body composition analysis and wheel-running test under conditions of feeding versus fasting.The gene expressions of myogenic regulatory factors including muscle differentiation factor MyoD, myogenin, atrogin-1, muscle-specific RING finger protein 1(muRF-1), and insulin growth factor 1(IGF-1)in mice gastrocnemius muscle were detected by realtime polymerase chain reaction(PCR).@*Results@#The locomotor activity during the wheel-running test were significantly lower in elderly ghrelin-/- mice than in elderly WT mice(3 929±263 times/h vs.5359±601 times/h, t=4.87, P<0.05). The gene expressions of MyoD, myogenin, atrogin-1, muRF-1 and IGF-1 had no significant difference between the two groups(P>0.05). After 48 h fasting, the decrements of body weight, fat and muscle weight were more in ghrelin-/- mice than in WT mice(P<0.05). In fasting old ghrelin-/- mice, the gene expressions of MyoD and myogenin were increased(improved)(t=232.00 and 121.00, P<0.05), and the gene expressions of atrogin-1 and muRF-1 were decreased(improved)(t=30.40 and 54.00, P<0.05)after treatment with both acylated ghrelin and desacylated ghrelin.@*Conclusions@#The acylated ghrelin and desacylated ghrelin may play protective roles in age-related muscle atrophy.
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Objective To investigate the effects of acylated ghrelin and des-acylated ghrelin on skeletal muscle atrophy in elderly mice.Methods Eighteen-month-old wild type (WT)mice and ghrelin-/-mice were selected to perform body composition analysis and wheel-running test under conditions of feeding versus fasting.The gene expressions of myogenic regulatory factors including muscle differentiation factor MyoD,myogenin,atrogin-1,muscle-specific RING finger protein 1 (muRF-1),and insulin growth factor 1 (IGF-1) in mice gastrocnemius muscle were detected by realtime polymerase chain reaction (PCR).Results The locomotor activity during the wheel-running test were significantly lower in elderly ghrelin-/-mice than in elderly WT mice (3 929 ± 263 times/h vs.5359± 601 times/h,t =4.87,P ＜ 0.05).The gene expressions of MyoD,myogenin,atrogin-1,muRF-1 and IGF-1 had no significant difference between the two groups (P ＞ 0.05).After 48 h fasting,the decrements of body weight,fat and muscle weight were more in ghrelin-/-mice than in WT mice(P＜0.05).In fasting old ghrelin-/-mice,the gene expressions of MyoD and myogenin were increased(improved) (t =232.00 and 121.00,P ＜ 0.05),and the gene expressions of atrogin-1 and muRF-1 were decreased(improved) (t =30.40 and 54.00,P＜0.05)after treatment with both acylated ghrelin and desacylated ghrelin.Conclusions The acylated ghrelin and desacylated ghrelin may play protective roles in age-related muscle atrophy.
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Objective To assess the effectiveness of a novel mobile health patient management system involving doctors, nurses, and patients ( TRIO mode) on glycemic control and self-monitoring of blood glucose (SMBG) compliance among the type 2 diabetes mellitus ( T2DM) patients using basal insulin standardization treatment in China. Methods From April 2014 to April 2015, 416 hospitals in 110 cities of 30 provinces, municipalities, and autonomous regions across China were selected to participate in the program. A Online-to-Offline ( O2O) integrated mobile health patients management system with mobile terminals for the doctors, nurses, and patients was applied in the program for patient education, follow-up, and data collection. For all the newly recruited patients, the baseline information was collected and a first-day patient education program were provided by a designated nurse. In the 12-week follow-up period, data of basal insulin doses and fasting plasma glucose ( FPG) values were collected from the patients by text messages or tracking phone call by the nurse. The patients also received timely standardized patients health education and glycemic control guidance by participating in thepatient education forum anddoctors' hotline in order to help them achieve the glycemic control goals. Results A total of 102 524 patients using basal insulin treatment were eligible and enrolled in the program. 64 420 patients completed the 12 weeks follow-up and provided at least one FPG value at all five follow-ups. In total, 62. 6% (40 334 / 64 420) of the patients reached the FPG control target(FPG≤7. 0 mmol/ L) at the end of follow-up period. The weekly average FPG for patients with complete SMBG data decreased from 10. 58 mmol/ L to 6. 91 mmol/ L while the FPG control rates increased from 13. 4% to 69. 2% . The weekly average FPG for the patients provided incomplete SMBG data decreased from 10. 54 mmol/ L to 7. 13 mmol/ L while the FPG control rates increased from 13. 6% to 62. 2% . The FPG control rates for the patients provided complete SMBG were 1. 74 times higher than those patients provided incomplete SMBG. Based on a GEE model, the average decline of the FPG and the increase of the FPG control rates were significantly better for patients who provided complete SMBG as compared to the patients with incomplete SMBG data. The results of the multivariate logistic regression analysis showed that factors such as receiving the first-day education, participating in the follow-up patient education forum, and the doctors' hotline were significantly associated with the improvement of the SMBG compliance, the treatment adherence, and the FPG control rates. The SMBG compliance and the treatment adherence for patients who completed first-day education were 1. 68 times and 1. 22 times higher, respectively. For the patients who participated in follow-up education activities, their SMBG compliance and treatment adherence were 3. 17 times and 3. 36 times higher, respectively. Conclusion The innovativeTRIOmobile health patient management mode was feasible and effective for better managing the type 2 diabetes patients initiated on basal insulin treatment in China. Active participation in the first-day education program and the follow-up patient education activities can effectively improve the SMBG compliance and the treatment adherence, and therefore play an important role in helping patient achieving FPG control in a faster manner.
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Objective To evaluate the efficacy and safety of epalrestat, an aldose reductase inhibitor, and epalrestat plus methylcobalamine on diabetic peripheral neuropathy, as compared with methylcobalamine. Methods A total of 444 subjects with diabetic neuropathy were enrolled in the study, and divided into methylcobalamine group ( n= 145 ) , epalrestat group ( n = 143 ) , and methylcobalamine combined with epalrestat group ( n = 156 ) . Therapeutic efficacay was assessed in terms of clinical symptoms and physical examinations by using Michigan Neuropathy Screening Instrument ( MNSI ) , and electrophysiological assessments. Results After 4 to 12-weeks′treatment, symptoms and signs of neuropathy ( using MNSI ) are significantly improved in the three groups ( P0. 05). Conclusion Epalrestat is effective and safe in the treatment of diabetic neuropathy. Furthermore, epalrestat is more efficacious in ameliorating symptoms and MNCV of neuropathy than methylcobalamine. However, while no improved efficacy is shown with the combined treatment.
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<p><b>BACKGROUND</b>Self-monitoring of blood glucose (SMBG) by individuals with type 2 diabetes (T2D) is crucial for long-term health, yet numerous cultural, economic and health factors can reduce SMBG. Most studies on SMBG adherence have come out of the US and Europe, and their relevance to Asia is unclear. The aims of the present study were to assess the current state of SMBG in China and analyze demographic and diabetes-related characteristics that may influence it.</p><p><b>METHODS</b>In this multi-center, cross-sectional study, 5 953 individuals with T2D from 50 medical centers in 29 provinces across China filled out a standardized questionnaire that requested information on demographic characteristics, education level, occupation, income, lifestyle risk factors, duration of diabetes, chronic complications, and frequency of SMBG. Respondents were also asked whether their glycosylated hemoglobin (HbA1c) had been checked in the past 6 months. The most recent values for fasting plasma glucose, 2-hour postprandial blood glucose and HbA1c were recovered from medical records.</p><p><b>RESULTS</b>Only 1 130 respondents (18.98%) performed SMBG with the recommended frequency, while 4 823 (81.02%) did not. In fact, nearly 2 105 (35.36%) reported never performing SMBG. In the subset of 3 661 individuals on insulin therapy, only 266 (7.27%) performed SMBG at least once a day, while 1 210 (33.05%) never performed it. In contrast, 895 of 2 292 individuals (39.05%) on diet/exercise therapy or oral hypoglycemic therapy never performed it. Multivariate Logistic regression identified several factors associated with SMBG adherence: female gender, higher education level, higher income, longer T2D duration and education about SMBG.</p><p><b>CONCLUSIONS</b>SMBG adherence in our Chinese population with T2D was less frequent than that in developed countries. Several factors influence SMBG adherence: gender, education level, income, T2D duration, therapy regimen and exposure to education about SMBG.</p>
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Adult , Female , Humans , Male , Middle Aged , Blood Glucose , Metabolism , Blood Glucose Self-Monitoring , China , Cross-Sectional Studies , Diabetes Mellitus, Type 2 , BloodABSTRACT
<p><b>BACKGROUND</b>Insulin injection therapy is one of the most effective treatments for type 2 diabetes mellitus (T2DM). Many people with T2DM in western countries resist starting insulin therapy; whether the same is true in China is unknown. This survey-based study assessed acceptance and rejection of insulin therapy among individuals with T2DM in China and self-reported reasons for these therapy choices. It also examined what methods may be useful for increasing the rate of insulin acceptance.</p><p><b>METHODS</b>A multi-center, cross-sectional survey was conducted between April and July 2010 to a convenience sample of inpatients and outpatients at 50 medical centers across 29 administrative divisions in China. Data were collected on sociodemographic and T2DM characteristics, therapy regime, and attitudes toward insulin therapy.</p><p><b>RESULTS</b>A total of 6 043 patients were surveyed, and 5 961 complete questionnaires (98.6%) were used in the analysis. Just over half the respondents (3 460, 58.0%) reported negative attitudes to insulin therapy, including 2 508 of the 4 469 patients (56.1%) whose physicians had recommended it to them. Of the patients counseled to use insulin, 800 (17.9%) were unwilling to start therapy and cited the following reasons: inconvenience (64.3%); concerns over addiction (24.6%); pain (14.3%); side effects (14.1%); and high cost (13.6%). Logistic regression suggested that respondents would be more willing to undertake insulin therapy if they had received diabetes education, had positive attitudes to the treatment, had higher glycosylated hemoglobin level, or had suffered diabetes for a longer period or with more complications.</p><p><b>CONCLUSIONS</b>Patients with T2DM in China are often resistant to insulin therapy if they have been diagnosed with the disease for a relatively short time or if the disease has been relatively mild. Educating patients on the benefits of insulin therapy, not only at the initial diagnosis with T2DM but also when insulin therapy becomes necessary, will likely increase their willingness to undertake it.</p>
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Female , Humans , Male , Middle Aged , China , Cross-Sectional Studies , Diabetes Mellitus, Type 2 , Drug Therapy , Insulin , Therapeutic Uses , Patient Acceptance of Health Care , Surveys and QuestionnairesABSTRACT
Objective To investigate the benefits and challenges of medical student volunteers'involvement in community diabetes education and to provide evidence for future development and suggestions.Methods Self-made questionnaire survey and interview were conducted among members of community health education volunteer in Southeast University.Data concerning basic group composition,major service contents,intention and gain,sources of motivation,knowledge acquisition and skill training were analyzed.Results 88.t04％ volunteers chose professional work as the kind of work they were most interested in,in contrast,69.56％ did nonprofessional work in reality.Initial intention of 66.30％ volunteers was ‘to beautify curriculum vitae'.‘Morality promotion' was taken as major gain by most volunteers (36.96％) while ‘morality promotion' was the initial intention of only 4.89％ volunteers.46.20％volunteers thought that their sources of motivation came from ‘ recognition of society and university'.Through training and voluntary service,it was evident that volunteers gained increased diabetes knowledge,stronger professional identity and confidence as well as deeper understanding of patients' needs,but there were real demand for training in education and clinical skills.Conclusions The introduction of medical student voluntary service into community diabetes education is a win-win cooperation,which can cultivate college students' high morality as well as strengthen the community health education team.However,we still face challenges in volunteer team building and management.
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Objective To know the influence of short-term hard health education combined with net-working fellow-up on diabetes related costs. Methods Divided 83 diabetes patients into the experimental group (41 cases) and the control group (42 cases) randomly. Short-term hard health education combined with networking fellow-up and traditional health education was used in the two groups respectively, and then evaluat-ed the diabetes related costs between the two groups on the time points of the third, the sixth and the dozenth month. Results The costs of health products in the control group was significant higher than that of in the experimental group from the first month to the third month after the intervention, while the inspection expenses in the experimental group was significant higher than that of in the control group from the fourth month to the sixth month after the intervention. Conclusions Short-term bard health education can not change the average level of diabetes related costs, but it can change the constituent ratio of costs.
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Objective To investigate the effects of gliquidone on the AGEs (advanced glycation end products) -induced RANTES(Regulated upon activation,normal T-cell expressed and secreted) expression of human renal mesangial cells (HRMC). Methods AGEs were prepared by incubation of bovine serum albumin (BSA) with high concentration of glucose at 37℃ in vitro. HRMC was cultured in the presence of AGE-BSA (glucose at 50 mmol/L) with or without gliquidone. RANTES mRNA was analyzed by semi-quantity RT-PCR. The concentration of RANTES in the supernatant was quantified by ELISA. Results Gliquidone significantly inhibited the expression and secretion of RANTES induced by AGE-BSA. The inhibition of RANTES expression and secretion was in dose and time dependent manners. Conclusions AGEs is a potential toxin to induce expression of RANTES in HRMCs, which is inhibited by gliquidone
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Objective To investigate the effects of gliquidone on the AGEs (advanced glycation end products) -induced RANTES(Regulated upon activation,normal T-cell expressed and secreted) expression of human renal mesangial cells (HRMC). Methods AGEs were prepared by incubation of bovine serum albumin (BSA) with high concentration of glucose at 37℃ in vitro. HRMC was cultured in the presence of AGE-BSA (glucose at 50 mmol/L) with or without gliquidone. RANTES mRNA was analyzed by semi-quantity RT-PCR. The concentration of RANTES in the supernatant was quantified by ELISA. Results Gliquidone significantly inhibited the expression and secretion of RANTES induced by AGE-BSA. The inhibition of RANTES expression and secretion was in dose and time dependent manners. Conclusions AGEs is a potential toxin to induce expression of RANTES in HRMCs, which is inhibited by gliquidone.
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The effect of rosiglitazone and advanced glycation end products (AGEs) on the expression of fractalkine in cultured human renal mesangial cells (HRMC) were investigated. Rosiglitazone inhibits the upregulation of fractalkine induced by AGEs in HRMC.
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objective To evaluate the effect of intensive diabetes health education plus web-based follow-up program on metabolic control.Methods One hundred and fifteen patients with type 2 diabetes mellitus (DM) were assigned to receive intensive diabetes health education plus web-based follow-up (treatment group,n=57) or conventional education program (control group,n=58).Hemoglobin Alc(HbAlc),body mass index (BMI),lipid profile,and blood pressure were compared at 3 or 6 month with baseline.Results At 3 month.the patients with HbAlc<6.5% in the treatment group was increased from 26.32% to 80.79%.At 6 month.HbAlC was decreased by 2.10% and 1.13% in the treatment or control group.In contrast to the control group,in the treatment group,the patient with BMI<24 increased from 43.86% to 68.42%.Neither groups showed significant changes in blood pressure.Conclusion Intensive diabetes education may be more effective than conventional program in improving metabolic control.
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Objective:To investigate the effects of Yukuiqing (YKQ) on the expression of connective tissue growth factor (CTGF) in cultured human renal mesangial cells (HRMC) incubated with AGEs. Methods:The HRMCs were incubated with AGEs (200 ?g/mL) and 1.25% YKQ which was prepared by Chinese herbal medicine serum pharmacological approach for 0,8,16,24,48 and 72h or different concentrations (0.313%,0.625% and 1.25%) of YKQ for 48h,respectively,which were incubated with DMEM and rat serum (RS) as the control. CTGF mRNA and protein were detected by reverse transcription polymerase chain reaction (RT-PCR) and Western Blotting respectively. Results:In Yukuiqing group,the expression of CTGF mRNA and protein decreased significantly compared with control groups (P
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nm23-H1 is a proven tumor metastasis suppressive gene, tumor metastasis phenotype could be reversed by transfected nm23-H1 cDNA. This study was conducted to transfect nm23-H1 cDNA into L9981 cells and to explore the function of nm23-H1 in reversing the malignant phenotype of L9981 cells. The plasmid of pLXSN-nm23-H1-EGFP was constructed by gene clone technique, and the transfected nm23-H1 cDNA cell lines of L9981-nm23-H1 was established. The protein expression of nm23-H1 was detected by Western blot. The biologic features of L9981-nm23-H1 cells were studied in vitro and in vivo. The results showed that the fusion protein of nm23-H1-EGFP was stable, continuous and expressed with high efficiency in L9981-nm23-H1 cells. The cell proliferation, colon formation and invasive ability are significantly lowered in L9981 cells transfected nm23-H1 cDNA (P < 0.01); the tumorgenesis and the lung metastasis incidence was lower in tranfected nm23-H1 cells than in L9981 and L9981-Plxsn in nude mice (P < 0.01); the rate for inhibiting tumorgenesis of nm23 -H1 was 82.56%. These data suggest that the malignant phenotype could be reversed by wild nm23-H1 gene in L9981 cells.