1.Role of oncogene and tumor suppressor gene in tumor metabolic reprogramming
Xinyuan XU ; Lan SHEN ; Libo YAO
Chinese Journal of Biochemical Pharmaceutics 2016;36(9):1-5
With the understanding of tumor metabolism, the process and mechanism of tumor metabolic reprogramming gradually attracted much attention in recent years.Oncogenes and tumor suppressor genes are constantly changing the pathway and flux of tumor metabolism in tumorigenesis to meet the needs of tumor growth and proliferation.The role of c-MYC, TP53, HIF-1αas well as the related signal pathways in tumor metabolic reprogramming would be discussed.
2.Effects of Estradiol on the Chronic Periodontitis in Experimental Rat
Jianhua ZHU ; Libo KU ; Guoquan XU
Journal of Medical Research 2006;0(07):-
Objective In this research,the relationship between blood estrogen level and periodontitis in rats was studied. Methods Twenty-four female Wister rats were randomly divided into three groups:control group,sham operation group and ovariectomized group. Rat chronic periodontitis model was established by ligating the rat's second molar with a steel wire in the sham operation group and ovariectomized group. Serum estrogen level of the rats was detected respectively. Dental X-ray observation,histological examination and immunohistochemistry were employed for the characterization of rat's chronic periodontitis. Results Compared with both control group and sham operation group,a significant decrease in scrum estrogen level was observed in ovariectomized group (P
3.Change of S/D Value in the Third trimester Pregnancy with Hypothyroidism
Ying SUN ; Libo SHU ; Hongbo XU
Journal of Medical Research 2017;46(4):90-92
Objective To observe the change of umbilical artery S/D value in the third trimester pregnant women with overt hypothyroidism(OH) or subclinical hypothyroidism(SCH).Methods We collect the data of 37-42 weeks pregnancy from January 2014 to December 2015.We devided them into OH group,SCH group and contral group.We compared the umbilical artery S/D value in these three groups and analyzed the relativity between S/D value and thyroid hormone.Results The S/D value was 2.46 ± 0.31 in OH group,2.48 ± 0.27 in SCH group and 2.32 ± 0.17 in control group.The differences were statistically significant between OH group and contral group (P =0.000),SCH group and contral group (P =0.000).There was no statistically significant between OH group and SCH group (P =0.907).The proportion of cases number during different S/D value range in these three groups had difference (P =0.000).The S/D value was positively correlated to TSH in OH group (r =0.186,P =0.037) and SCH group (r =0.146,P =0.015).There was no correlation between FT3 and S/D value(P > 0.05) or FT4 and S/D value(P > 0.05) in both OH and SCH group.There was no correlation between thyroid hormone and S/D value in the contral group either.Conclusion Both OH and SCH can effect umbilical artery S/D value in the third trimester pregnancy.
4.The Influence of Invigorating Spleen and Restoring Virility to on the Ability of Learing and Memory and SP, VIP Level in Brain
Huinan QIAN ; Hong XU ; Libo SHEN
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(01):-
Objective To inquire into the changes of learning and memory ability and the level of SP, VIP in the brain of the model of Spleen insufficiency. To observe the influence invigorating spleen and restoring virility on above changes. Methods Establishing the spleen insufficiency model of rat by adopting bitter decline diarrhea, wild eating and overworking, to examine influence of invigorating spleen and restoring virility on the ability of learning and memory with the change of SP and VIP in the brain. Results In the period of study and remember of the water maze experiment, the swim whole distance time was long and mistake number was many in the model group; the swim whole distance time was short and the mistake number was little in the group of invigorating the Spleen and restoring virility. In the period of study and remember of the diving platform experiment, the mistake number of times is more and the incubation period was short in the model group; the mistake number was less and the incubation period was long in Spleen invigrating group. At the period of remember mistake number was more. In the model group, the immunoreaction masculine substance of SP level decrease obviously in the hypothalamus ventral kernel, the hippocampi CA1 area and forehand cortex; on above mentioned parts, the group of invigorating spleen and restoring virility increases distinctly, in the group of restoring virility increases distinctly in the hippocampi CA 1 area and forehead cortex, but decreased in hypothalamus ventral kernel. In the model group, the immunoreaction masculine substance of VIP level decreased obviously;in the hippocampi CA1 area and cortex;on above mentioned parts, the groups of invigorating spleen and restoring virility increases obviously. Conclusion In the model group, the ability of learing and memory with SP and VIP level in the brain changed. Invigorating spleen and restoring virility can improve above changes remarkably.
5.Clinical application of antidepressant combined with α-blocker in the treatment of chronic prostatitis
Xiao XU ; Libo MAN ; Guizhong LI
Chinese Journal of Biochemical Pharmaceutics 2017;37(7):391-392,395
Objective To investigate the clinical effect of antidepressants combined with α-blockers in the treatment of chronic prostatitis.Methods A retrospective analysis of 90 cases of chronic prostatitis treated in our hospital from January 2016 to December 2016 was divided into two groups according to the random number table.The control group was treated with α-blocker Combined with vitamin C treatment, the study group using antidepressants combined with α-blockers treatment.The NIH-CPSI score and SDS score were recorded before and after treatment, and the therapeutic effects were compared between the two groups.Results There were no significant differences in NIH-CPSI scores and SDS scores between the two groups.After treatment, the scores of NIH-CPSI and SDS were significantly better than those before treatment, and the study group was superior to the control(91.1%) was higher than that of the control group(71.1%), the total effective rate of depression(93.3%) was higher than that of the control group(73.3%), and the total effective rate was 91.1%, The difference was statistically significant(P<0.05),comparable.Conclusion Antidepressants combined with α-blockers are effective in the treatment of chronic prostatitis, which is beneficial to the alleviation of clinical symptoms and the improvement of their symptoms.Therefore, it has a good clinical value and worthy of further popularization.
6.Diagnostic value of a new high-resolution microendoscopy for early esophageal cancer
Xueshan WANG ; Weiran XU ; Fan ZHANG ; Libo WANG ; Hong XU
Chinese Journal of Digestive Endoscopy 2012;23(1):24-28
Objective To investigate the therapeutic value of high-resolution microendoscopy for early esophageal cancer.Methods A total of 60 patients,who underwent esophageal endoscopy,were included in this study.The therapeutic value of high-resolution microendoscopy was investigated with reference to pathological results as golden standard.Results Diagnostic sensitivity,specificity,positive predictive value,negative predictive value and accuracy of microendoscopy for high grade dysplasia/early cancer were 81.22%,94.12%,81.82%,94.12%,91.11%,respectively.Diagnosis of severe dysplasia/carcinoma with high-resolution microendoscopy was highly consistent with that of pathology (K =0.760).Conclusion The high-resolution microendoscopy is of high diagnostic value for early esophagus cancer.
7.The effects of L-NAME on invasion and metastasis of human colorectal carcinoma cell line
Libo YU ; Wenzhou SUN ; Xinshu DONG ; Haitao XU
Chinese Journal of General Surgery 1993;0(02):-
Objective To study the effects of L-NAME on invasion and metastasis of human colorectal (carcinoma) cell line(LS-174T) and explore its possible mechanism.Methods The LS-174T cells were co-incubated with L-NAME at various concertrations.Griess techniqe was used to examine the effect of(L-NAME) on excretion of nitric oxide(NO) of the cells.The effects of L-NAME on invasion and migration of LS-174T were evaluated using Transwell chambers attached with polycarbonate filters and reconstituted(basement) membrane.Expression of MMP2 mRNA and TIMP2mRNA in LS-174T cells was measured by(RT-PCR).Results(1)L-NAME decreased the excretion of NO of the cells in a dose-dependent manner.(2)The ability of the L-NAME treated LS-174T cells to invade the reconstituted basement membrane(increased) significantly with the concentration and time,at the concentration of 0.2 mmol/L,0.4 mmol/L,0.8mmol/L and 1.0mmol/L,respectively,after 72 hour,the inhibition rates were 10.29%,19.62%,34.08% and 42.23%,respetively.(P
9.Diagnostic criteria for multiple sclerosis: a comparison of the Poser and the McDonald criteria
Guangzhi LIU ; Libo FANG ; Chao WANG ; Xuguang GAO ; Xianhao XU
Chinese Journal of Neurology 2009;42(1):8-10
Objective To compare the Poser and the McDonald diagnostic criteria for multiple sclerosis (MS).Methods Sixty-seven patients with clinical features suggestive of MS were re-evaluated by 2 neurologists utilizing both the Poser and the McDonald criteria.The Fisher' s exact test was used to statistically analyze the data from assessment by these two criteria.Results By the Poser criteria, 34 patients were classified as clinically definite MS, 24 patients as laboratory supported definite MS and 9 patients as possible MS.Under the new McDonald criteria, MS was diagnosed in 36 patients and 31 patients had possible MS.The results revealed significant differences in diagnosing MS between these 2 criteria (OR=5.549, 95% CI 2.37-13.00, P<0.01).Conclusions These 2 criteria showed remarkable differences in diagnosing MS, in particular definite MS, possibly due to greater reliance on paraclinical evidences in the Poser criteria and more stringent gnidlines of magnetic resonance imaging (MRI) in the McDonald criteria.The analysis of cerebrospinal fluid may increase the diagnostic rate of MS and specify pathologic abnormalities in MRI to some degree.
10.Effects of total nutrient admixture on the recovery of patients with gastric cancer after radical gastrectomy
Qing LIU ; Yi LIU ; Libo FENG ; Dong XIA ; Liang XU
Chinese Journal of Digestive Surgery 2015;14(5):386-389
Objective To investigate the effects of total nutrient admixture (TNA) on the recovery of patients with gastric cancer after radical gastrectomy.Methods The clinical data of 50 patients with gastric cancer who were admitted to the Affiliated Hospital of Luzhou Medical College between March 2013 and March 2014 were retrospectively analyzed.Among 50 patients receiving radical gastrectomy,26 patients receiving TNA were allocated to the experimental group and 24 patients receiving conventional fluid infusion were allocated to the control group.Patients in the experimental group received the nutritional support therapy using TNA at preoperative day 5 and at postoperative days 1-5,and patients in the control group received the postoperative intravenous rehydration including water,glucose,electrolyte,vitamins and micro elements.The nutritional indexes [albumin (Alb),prealbumin,transferrin and hemoglobin (Hb)],time to anal exsufflation,incidence of complications (wound infection,anastomotic leakage,blooding and intestinal obstruction) and duration of hospital stay were observed before nutritional support therapy and at postoperative day 8.The count data were analyzed using the chi-square test.The chi-square value of correction for continuity was used when 1 ≤ minimum theoretical frequency ≤ 5.The measurement data with normal distribution were presented as (x) ±s and analyzed using the t test or repeated measures ANOVA.The ordinal data were analyzed by the analysis of variance.Results The Alb,prealbumin,transferrin and Hb in the experimental group were (38.6 ± 2.0) g/L,(281 ± 33) mg/L,(2.5 ± 0.9) g/L and (111 ± 20) g/L before nutritional support therapy and (38.2 ± 1.9) g/L,(277 ± 16) mg/L,(2.3 ± 1.1) g/L and (112 ± 37) g/L at postoperative day 8,respectivley.The Alb,prealbumin,transferrin and Hb in the control group were (38.3 ±2.4) g/L,(287 ± 34) mg/L,(2.4 ± 1.1) g/L and (107 ± 21) g/L before nutritional support therapy and (30.3 ±2.3) g/L,(190 ± 41) mg/L,(1.6 ± 0.3) g/L and (93 ± 22) g/L at postoperative day 8,respectivley.There were significant differences in the nutritional indexes at postoperative day 8 between the 2 groups (F =174.042,95.637,9.529,4.919,P < 0.05).The time to anal exsufflation in the experimental group were (52 ± 11) hours,which was significantly different from (70 ± 12) hours in the control group (t =-5.176,P < 0.05).The incidence of complications was 15.4% (4/26) in the experimental group,which was significantly different from 58.3% (14/24) in the control group (x2=6.460,P <0.05).Patients with complications in the 2 groups were cured by anti-infective or symptomatic treatment.The duration of hospital stay was (9 ± 3) days in the experimental group and (12 ± 4) days in the control group,with a significant difference between the 2 groups (t =-2.912,P < 0.05).Conclusion TNA can improve the nutritional status of patients after radical gastrectomy in a short time.It could help patients to get through the perioperative period smoothly,and enhance the postoperative recovery.