1.Preliminary study on efficacy of small doses of furazolidone for duodenal ulcer and clearance of H.pylori
Caipu XU ; Jinhua LIU ; Longyi TAN
Journal of Third Military Medical University 1988;0(05):-
0.05).It is concluded that furazolidone in small doses is as efficacious as Denol in the treatment of duodenal ulcer and the clearance of H.pylori,and it be a safe substitute for the routine dose of furazolidone for the treatment of duodenal ulcer.
2.Study on interaction between human La protein with hepatitis B virus RNA
Jinghui SUN ; Gaolin LIU ; Longyi TAN ; Hu ZHANG
Academic Journal of Second Military Medical University 2001;0(09):-
The human La protein is recently identified as a host factor potentially involved in the post-transcriptional regulation of hepatitis B virus (HBV) RNA. The La binding site is mapped to a predicted stem-loop structure within a region shared by all HBV RNAs, and it is known that human La protein protected HBV RNA against Rnase-mediated degradation. HLa mutants lost the ability of binding and protecting HBV RNA, which make it easy for HBV RNA to degrade and the virus replication to terminate. This review summarizes the latest investigation about the interaction of La protein,HBV RNA and Nuclear RNases, and discusses the possible mechanisms of HBV RNA degradation, the effect of La protein and its mutants on the translation initiation of HBV RNA, and the replication of the virus.
3.Investigation on Campylobacter carrier state of bile and intestinal content of domestic animals and fowls
Shaowu PAN ; Jimin MEI ; Chaomei SHI ; Zhicai LIU ; Longyi TAN
Journal of Third Military Medical University 1988;0(06):-
The Campylobacter carrier rate of the bile was 23. 64%,14. 29%,7. 14%,6. 64%,5.88%, 5.55% and 3. 63% in the quails, cats, dogs, pigs, chickens, ducks and oxen respectively. The survival time of Campylobacter in the bile in vitro ranged from 4 to 7 weeks. The Campylobacter carrier rate of the intestinal content was higher than that of the bile in all the domestic animals and fowls. It is believed that the domestic animals and fowls may be an important source of Campylobacter infection in human beings according to our findings.
4.The effect of La protein on replications of HBV in cultured cell
Hui ZHANG ; Jinghui SUN ; Honglian GENG ; Gaolin LIU ; Xiantao KONG ; Longyi TAN
Chinese Journal of Immunology 2000;0(09):-
Objective:To prove whether La protein could effect the replications of the HBV in cultured cells.Methods:Three specific SiRNAs for human La protein was obtained by transcription in vitro. After transfection with the SiRNAs into HepG2.2.15 cell, the levels of La protein mRNA and HBV DNA were detected by real-time PCR.Results:The HBV DNA secreted by the cell transfected with the SiRNAs was reduced with reduction of the mRNA of the La protein.Conclusion:The La protein can protect the replications of the HBV in cultured cells.
5.Effects of different dialysates on apoptosis and expression of PKCδ of U937 cell line
Xiaojuan ZHU ; Lili GUO ; Yu PAN ; Longyi TAN ; Bigu ZHANG ; Yan JIN ; Mingzhu HUANG ; Guolan ZHANG ; Haiyan MENG ; Weiya BO ; Qinjun XU ; Huimin JIN
Journal of Shanghai Jiaotong University(Medical Science) 2009;29(12):1434-1438
Objective To investigate the effects of different dialysates on expression of protein kinase C-δ (PKCδ) and apoptosis of U937 cell line. Methods Different dialysates were added into culture fluid with U937 cell line at exponential phase of growth, and groups were divided: fluid A+fluid B group (dialysate A+dialysate B), fluid A+fluid B+rottlerin (PKCδ specific inhibitor)group, fluid A+powder B group (dialysate A+powder B) and fluid A+powder B + rottlerin group. Besides, blank control group and normal control group were established. Cells were harvested 24 h and 48 h after treatment, morphological changes were observed by Hoechst33258 fluorescence staining, cell apoptosis was measured by Annexin-V-FITC/PI double staining, and expression of PKCδ mRNA and protein was detected by RT-PCR and Western blotting, respectively. Results Cell apoptosis significantly increased in fluid A+powder B group, with typical morphology of apoptosis. After treatment for 24 h and 48 h, cell apoptosis rates in fluid A+powder B group were significantly higher than those at corresponding time points in blank control group , normal control group and fluid A+powder B+rottlerin group (P<0.05). Compared with normal control group, blank control group and fluid A+powder B+rottlerin group, the expression of PKCδ mRNA and protein of U937 cells in fluid A+powder B group were significantly increased (P<0.05). There was no significant difference in cell apoptosis rates and expression of PKCδ mRNA and protein between fluid A+fluid B group and blank control group, normal control group and fluid A+fluid B+rottlerin group (P>0.05). Conclusion Fluid A+powder B can significantly increase apoptosis of U937 cell line, the mechanism of which may be associated with the up-regulation of expression of PKCδ. Compared with fluid A+powder B, fluid A+fluid B is superior in reducing apoptosis of peripheral blood monouclear cells.
6.Decreased β-Cell Function is Associated with Cardiovascular Autonomic Neuropathy in Chinese Patients Newly Diagnosed with Type 2 Diabetes.
Xubin YANG ; Wen XU ; Yanhua ZHU ; Hongrong DENG ; Ying TAN ; Longyi ZENG ; Jianping WENG
Neuroscience Bulletin 2019;35(1):25-33
The influence of β-cell function on cardiovascular autonomic neuropathy (CAN), an important diabetes-related complication, is still unclear. In this study, we aimed to investigate the association between residual β-cell function and CAN in patients newly diagnosed with type 2 diabetes. We enrolled 90 newly-diagnosed type 2 diabetic patients and 37 participants with normal glucose tolerance as controls. The patients were divided into a CAN+ group (diabetic patients with CAN, n = 20) and a CAN- group (diabetic patients without CAN, n = 70) according to the standard Ewing battery of tests. Fasting and postprandial plasma glucose, insulin, and C-peptide were measured. Homeostasis model assessment-beta cells (HOMA-B) and HOMA-insulin resistance (IR) were calculated. The prevalence of CAN in this population was 22.2%. Compared with the CAN- group, the CAN+ group had significantly lower fasting plasma insulin (6.60 ± 4.39 vs 10.45 ± 7.82 μ/L, P = 0.029), fasting C-peptide (0.51 ± 0.20 vs 0.82 ± 0.51 nmol/L, P = 0.004), and HOMA-B (21.44 ± 17.06 vs 44.17 ± 38.49, P = 0.002). Fasting C-peptide was correlated with the Valsalva ratio (r = 0.24, P = 0.043) and the 30:15 test (r = 0.26, P = 0.023). Further analysis showed that fasting C-peptide (OR: 0.041, 95% CI 0.003-0.501, P = 0.012) and HOMA-B (OR: 0.965, 95% CI 0.934-0.996, P = 0.028) were independently associated with cardiovascular autonomic nerve function in this population. The patients with fasting C-peptide values < 0.67 nmol/L were more likely to have CAN than those with C-peptide levels ≥0.67 nmol/L (OR: 6.00, 95% CI 1.815-19.830, P = 0.003). A high prevalence of CAN was found in patients with newly-diagnosed type 2 diabetes. Decreased β-cell function was closely associated with CAN in this population.
Adult
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Asian Continental Ancestry Group
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Blood Glucose
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analysis
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Diabetes Mellitus, Type 2
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complications
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metabolism
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Diabetic Neuropathies
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etiology
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Fasting
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physiology
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Female
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Glucose
;
metabolism
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Humans
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Insulin
;
metabolism
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Insulin Resistance
;
physiology
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Insulin-Secreting Cells
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metabolism
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Male
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Middle Aged