Objective: To investigate the relationship between serum leptin concentration and diet nutrition, age and gender. Method: One hundred fifty-eight men and women aged 18-72 y were initially drawn from a community in Jinan City. The parameters measured included height, weight and serum leptin concentrations. In addition, a 3-d food record was used to represent usual food intake by the participants. Results: The mean serum leptin concentration in males was 8.38?6.31ng/ml, while in females 24.98?13.29 ng/ml. Serum leptin level in males was significantly correlated with age, but not in females. Respectively, serum leptin level in males and females were not correlated to dietary factors. After adjusted for BMI, serun leptin level in females was positively correlated with dietary intake of fat, MUFA and PUFA. Conclusion: Serum leptin level in female is higher than that in male. Age is correlated to serum leptin level in males. The relation of dietary intake of fat, MUFA and PUFA to serum leptin concentration only existed in women.

Objective:To determinate the resistant starch in different kinds of food so as to provide the data for guiding the diet for health. Method:The contents of resistant starch in 6 kinds of food samples were determined by a method that mimicked gastrointestinal conditions. Results:The contents of resistant starch in raw food were higher than cooked food, except beans. The content of resistant starch of raw potato and deepfrying potato was respectively the highest, 46.06?2.65 g/100g total starch and 29.11?1.52 g/100g total starch. Conclusion:The repeatability of the analysis method was good, and the contents of resistant starch in various kinds of food were different.

OBJECTIVE:To discuss the necessity of clearing the pharmaceutical butyl rubber stoppers for infusion bottles before use.METHODS:Pharmaceutical butyl rubber stoppers for infusion bottles produced by manufacturer A and B were se-lected and washed at least once before a preliminary test was performed.Then product A was chosen for further test.The stoppers of two different batch numbers by manufacturer A were selected,one washed with injecting water and another not washed,all of which were used in the production of all kinds of transfusions in the hospital where the authors worked,then infusible motes in these products were measured.RESULTS:The infusible motes in the products with unwashed stoppers was not in accordance with the requirements in China Pharmacopoeia,while those with washed ones was in accordance.CONCLU_ SION:The pharmaceutical butyl rubber stoppers for infusion bottles must be washed by injecting water at least once before use to ensure the quality of the products.

Thirty eight adult male rabbits were selected for the experiment. The experimental peptic ulcer was induced by means of injection of 40% acetic acid to the submucosa of the stomach. Animals of the control group were injected with normal saline instead and another control group consisted of normal rabbits without any treatment. The animals were killed by decapitation at different time intervals (3～49 days) after the operation. The adrenal tissues were prepared for histochemical studies from both experimental and control animals. The results were observed as follows:During the early stage of the peptic ulcer, the fascicular and reticular zones were the chief sites in the adrenal cortex where histochemical changes were involved. Three days after the peptic ulcer operation, the cells of the fascicular and reticular zones filled with sudanophilic lipid droplets and cholesterol droplets. Five days after the operation, both of lipid droplets and cholesterol droplets decreased; the content of ascorbic acid increased slightly; and the activity of succinic dehydrogenase also increased. The above changes were most conspicuous in the inner portion of the fascicular zone within ten days. After fourteen days, all the above histochemical changes began to recover and gradually returned to the normal level after eighteen to thirty five days. In the normal saline operation control group, the contents of lipid droplets and cholesterol droplets decreased in the fascicular and reticular zones after three days and returned to normal level during the period of ten to fourteen days after operation for saline injection.The above histochemical changes showed that the adrenal cortex was at an active functional state during the early period of the experimental peptic ulcer.

Objective To evaluate the quality of life (QOL ) of chronic hepatitis B (CHB) patients and to explore its related factors .Methods SF‐36 questionnaire was used to evaluate the QOL of 626 CHB patients visited or hospitalized in China‐Japan Friendship Hospital from July 2014 to June 2015 .And the residents around the hospital were included as control group .Sociological characteristics ,clinical data , health related behaviors and nutritional status were collected .Logistic regression analysis was used to analyze the factors related to quality of life . Results Six hundred and twenty‐six participants were enrolled in each group ,including 424 males and 202 females .The average age of CHB group and control group were 44 .2 ± 13 .9 and 44 .2 ± 13 .9 ,respectively .The average QOL score of the CHB patients was 72 .25 ± 16 .06 ,and 8 dimensions and 2 domains of CHB group were lower than those of control group (both P < 0 .05 ) . In multivariate analysis , factors independently associated with higher physical component summary (PCS) score were younger age (18—45 years old:OR=0 .27 ,95% CI:0 .13—0 .54 ;45—60 years old :OR= 0 .47 ,95% CI:0 .23—0 .95) ,high‐quality sleep (OR= 0 .20 ,95% CI:0 .12—0 .33) ,frequent exercise (OR=0 .37 ,95% CI:0 .19—0 .73) or occasional exercise (OR=0 .49 ,95% CI:0 .30—0 .77) ,and mild hepatitis symptoms (mild:OR=0 .19 ,95% CI:0 .05 -0 .76 ;moderate :OR=0 .20 ,95% CI:0 .06—0 .68 ) , while disease duration was associated with lower PCS score ;factor independently associated with higher mental component summary (MCS) score was high quality sleep (OR=0 .25 , 95% CI:0 .16—0 .41) ,while longer duration (OR= 14 .04 ,95% CI:1 .81—109 .38) and lower weight (OR=2 .72 ,95% CI:1 .48—4 .98) were associated with reduced MCS score ( all P<0 .05) .Conclusions The QOL of CHB patients is damaged universally .More attention should be paid to the health related life behavior and nutritional status of CHB patients in the future management .

Objective:To investigate the effects of Bailing capsules on the expression of TGF-β1 in the peritoneal dialysis solution for peritoneal dialysis patients. Methods: Totally 40 patients treated with peritoneal dialysis ( PD) were randomly divided into two groups (20 cases in the control group and 20 cases in the experimental group). All the patients were treated with PD by 1. 5% perito-neal dialysis effluent (6 000 ml everyday), and the patients in the experimental group were additionally treated with Bailing capsules (5 capsules each time, three times a day after meals) for 6 months. The adequacy of PD (including Kt/V and Ccr) of the two groups was examined after the one-month treatment. The renal function and the level of TGF-β1 in the effluent in 1, 3 and 6 month were com-pared between the two groups. Results:The adequacy of PD ( Kt/V and Ccr ) had no significant difference between the two groups (P<0. 05). The level of serum creatine was decreased significantly in both groups after the one-month treatment (P<0. 05), and no significant change was shown in 3 and 6 month (P>0. 05). In the control group, the expression of TGF-β1 in the effluent in 1, 3 and 6 month was increased gradually with significant difference (P<0. 05). In the experimental group, the expression of TGF-β1 in the effluent had no significant difference in 1, 3 and 6 month (P>0. 05), which was lower than that in the control group (P<0. 05). Conclusion:Bailing capsules can decrease the expression of TGF -β1 in the effluent for the patients treated with PD and inhibit the peritoneal fibrosis.

Objective To investigate the nutritional risks, prevalence of undernutrition, and nutritional interventions among inpatients in departments of nephrology in some hospitals in Guangzhou, with an attempt to provide evidences for the nutritional support of patients with kidney diseases. Methods Totally 378 adult patients in departments of nephrology in Guangzhou were enrolled in this study by fix-point consecutive sampling. Nutritional Risk Screening 2002 (NRS 2002) was applied for nutritional risk assessment. Nutrition risk was defined by NRS score ≥3 and undernutrition by BMI ＜ 18.5 kg/m2 or serum albumin ＜ 30 g/L. Nutritional interventions were also evaluated in all patients. The relationship between nutritional risk and nutritional support was analyzed. Results The overall prevalence of undernutrition was 21.7% and the nutritional risk was 41.3%. They were especially high among patients with chronic kidney dysfunction (24. 3% and 60. 7% , respectively). The nutritional risk was 42. 3% in patients accompanied with diabetes (P＞0. 05). Of these 378 patients, 102 (27.0%) received nutritional interventions, in which the nutritional support rate was 50. 0% (78/156) for patients with nutritional risks and 10. 8% (24/222) for those without nutritional risks. Conclusions The nutritional risks and prevalence of undernutrition are high among inpatients in the departments of nephrology in hospitals in Guangzhou. Proper application of nutritional interventions remains a concern. Evidence-based guidelines are required to improve this situation.

Objective To explore the inheritance characteristics of SCN1A gene in familial severe myoclome epilepsy in infancy.Methods The clinical information and blood of the patients and their relatives who had febrile seizure(FS)or epilepsy history were collected.Blood genome DNA were extracted.All exons of SeN1A gene were PCR amplified and screened with denaturing high Performance liquid chromatography(DHPLC)technology,and sequence analysis was performed.Results Fourteen SME patients had FS or epilepsy family history.Five were found positive history in first class relatives and 2 of them had inherited mutations of SCN1A(C.4284+2T>C and e.1216G>T):Other9 were found positive history in second class relatives and 2 of them had de novo mutations of SCN1A.Condusions SCN1A is the pathogenic gene for SME.The same muatation of SCN1A gene can be related to different clinical phenotypes.SME patients whose first class relatives with FS or epilepsy history should be taken as the focus of SCN1A inherited mutation screening.

Objective:To investigate the body composition and sarcopenia in patients with stable chronic obstructive pulmonary disease (COPD) and to analyze the influencing factors.Methods:A total of 220 patients with stable COPD were enrolled in the study from China-Japan Friendship Hospital during July 2018 to December 2019; 220 age and sex-matched healthy subjects (control group 1) and 220 healthy young adults aged 20-40 years (control group 2) were enrolled from the community. The body composition was measured by bioelectrical impedance method. The demographic characteristics, disease conditions, living background and other related factors were collected by questionnaire. T test or one-way ANOVA were used for comparison between groups, and non parametric test was used for non normal distribution data.Results:Compared with the control group 1 and control group 2, the body fat rate ( Z=-10.037, t=-8.411), the fat free mass index ( Z=-8.165, t=-7.856), and appendicular skeletal muscle index (ASMI) ( t=-7.158, t=-11.989) were significantly lower in stable COPD patients ( P<0.05). Among 220 patients with stable COPD, 51 (23.2%) were diagnosed as sarcopenia; the prevalence of sarcopenia was 18.3% (24/131) in men and 30.3% (27/89) in women (χ2=4.297, P=0.038). The decreased ASMI and grip strength in COPD patients with sarcopenia were significantly associated with age≥75 (χ2= 15.746, F= 14.048), female sex ( Z=5.805, t=2.672), low income ( Z=-4.291, t=-4.789), Global Initiative for Chronic Obstructive Lung Disease (GOLD) grade Ⅳ (χ2=22.644, F=3.905), Modified British Medical Research Council (mMRC) Dyspnea Scale grade 4 (χ2=12.475, F=4.369), not receiving systematic health education ( Z=-4.239, Z=-2.474), no exercise (χ2=14.786, F=3.402), insufficient nutrition intake (χ2=40.531, F=10.529). The range of 6-min walking distance was (110-268) m, that was even shorter for patients with mMRC dyspnea scale grade 4 ( F=3.468, P<0.05). Conclusion:The impairment of body composition is common in COPD patients, which will further affect the body function. It is suggested that the routine evaluation of COPD should include the measurement of body composition.

Objective To investigate the influence of synangio-excision-restruction in pancreatic cancer radical operation on the complications,living quality and survival status in the patients with pancreatic cancer.Methods A total of 255 patients with pancreatic cancer in our hospitals from January 2010 to October 2015 were selected and divided into 3 groups according to different operation modes:41 cases in the Synangio-excision-restruction group(A),113 cases in the non-synangio-excision-restruction group (B) and 101 cases in the palliative by-pass operation group(C).The clinical data in 3 groups were analyzed.The influence of Synangio-excision-restruction on operative complications,living quality and survival status was investigated.Results The incidence rate of complications in the group A was 56.10％,which was obviously higer than 34.51％ in the group 1β and 20.79％ in the group C,and the difference was statistically significant(P＜0.05).In the group A,the incidence rates of belly ache and body weight gain were 36.59％ and 51.22％ respectively,which comparing with 91.09％ and 9.09％ in the group C showed statistically significant difference(P＜0.05).The median survival time(MST) in the group A was 11.83 months,which in the group B and C were 15.43 months and 7.50 months,the difference between the group A and C was statistically significant(x2 =4.27,P＜0.05);while the difference between the group A and B was not statistically significant(x2=3.67,P＞0.05).Conclusion For the pancreatic cancer patients with affected portal vein and inferior mesenteric vein,the synangio-excision-restruction radical operation can obviously prolong the patients' survival time and improves their living quality.