1.A clinical investigation on factors influencing postoperative serum bilirubin level in patients with primary liver cancer
Chinese Journal of General Surgery 2000;0(11):-
Objective To discuss clinical factors associated with high serum bilirubin level postoperatively in patients with liver cancer. Methods In this study,130 postoperative cases of primary liver cancer were divided into two groups of high serum bilirubin and of normal bilirubin according to serum bilirubin level during two weeks of postoperation. Results Preoperative serum bilirubin、 Child grade、 operation time、 blood loss and types of hepatic vascular exclusion were correlated with the level of postoperative serum bilirubin. Types of hepatic vascular exclusion was a independent factor predicting postoperative elevation of serum bilirubin level. Conclusions Preoperative liver function, operation time, types of hepatic vascular exclusion and blood loss are all among factors influencing postoperative serum bilirubin level.
2.Detecting serum anti-aquaporin-4 antibody in neuromyelitis optica patients by mimic antigen based ELISA
Chinese Journal of Microbiology and Immunology 2010;30(10):965-967
Objective To explore mimic antigen based ELISA for detecting serum anti-acquaporin4(AQP4) antibody in neuromyelitis optica(NMO) patients. Methods Three polypeptides: AQP456-69,AQP4135-155, AQP4209-230 were designed to simulate antigen epitopes of AQP4 through biological information and structure biology analysis, the peptides was used as antigen in ELISA to detect serum anti-AQP4 antibody in 9 NMO patients and 7 other miscellaneous neurological disorders which hayed been detected by immumofluorescence method. Results The mean value of A of anti-AQP4 antibody postive patients which have been determined by immumofluorescence method were higher than the controls in ELISA with AQP4135-155,AQP4209-230 as antigen (P<0.05). When the patients serum were diluted at 4 and 8 times, the A values were higher than controls significantly ( P<0.05 ). Conclusion Outmembrane polypeptides AQP4135-155,AQP4209-230 may be the main antigen epitope or main part of antigen epitope, they could be used to detect serum anti-AQP4 antibody in NMO patients.
4. Status of Testing Methods for Pigments in Chinese Material Medica, Decoction Pieces and Chinese Patent Medicine and Establishment of General Pigment Testing Methods
Chinese Pharmaceutical Journal 2019;54(17):1418-1424
OBJECTIVE: To explore and establish general testing methods for pigments in Chinese material medica, decoction pieces and Chinese patent medicine. METHODS: The approved supplementary testing methods and relevant literatures for pigments in Chinese material medica, decoction pieces and Chinese patent medicine were reviewed and summarized. Based on the practical experience and data, the general test methods were proposed and established by TLC, HPLC and LC-MS. The pigments were grouped according to color system. RESULTS: A large number of representative samples were used for the method validation. Fifteen pigments were detected in 923 batches of samples. CONCLUSION: The established general pigment test methods are feasible and could provide reference for the scientific supervision and the establishment of relevant standard method.
5.Comparison of Efficacy and Safety of Metoprolol and Bisoprolol in Treatment of Diastolic Heart Failure
Lei WU ; Guoying GENG ; Minghu ZHAO
China Pharmacy 2016;27(18):2488-2490
OBJECTIVE:To compare the efficacy and safety of metoprolol and bisoprolol in the treatment of diastolic heart fail-ure. METHODS:150 patients with diastolic heart failure were randomly divided into group A(75 cases) and group B(75 cases). All patients received aspirin,angiotensin-converting enzyme inhibitors,angiotensin receptor antagonists,calcium antagonists,di-uretic and cardiac drugs and other conventional treatment;based on it,group A received Metoprolol tartrate tablet with initial dose of 6.25 mg,orally,twice a day,then increased to 100-200 mg based on improvement and tolerability;group B received 1.25 mg Metoprolol tartrate tablet,orally,once a day,then increased to 10 mg based on improvement and tolerability. The treatment course for 2 groups was 12 weeks. Clinical efficacy,and left ventricular end systolic diameter(LVESD),left ventricular ejection fraction (LVEF)and left ventricular end-diastolic diameter(LVEDD),myocardial performance index(LVTei index),brain natriuretic pep-tide(BNP),interleukin(IL)-1,IL-6,tumor necrosis factor(TNF)-α before and after treatment,and incidence of adverse reactions in 2 groups were observed. RESULTS:The efficacy in group B was significantly higher than group A,incidence of adverse reac-tions were significantly lower than group A,the differences were statistically significant (P<0.05). Before treatment,there were no significant differences in the LVESD,LVEF,LVEDD,LVTei index,BNP,IL-1,IL-6 and TNF-α in 2 groups(P>0.05). Af-ter treatment,LVESD,LVEDD,LVTei index,BNP,IL-1,IL-6 and TNF-α in 2 groups were significantly lower than before,and group B was lower than group A,LVEF was significantly higher than before,and group B was higher than group A,the differenc-es were statistically significant(P<0.05). CONCLUSIONS:Based on the conventional treatment,bisoprolol is significantly superi-or to metoprolol in terms of efficacy,relieving clinical symptoms and improving cardiac functions in the treatment of diastolic heart failure,with better safety.
6.Change of calcitonin gene related peptide in spinal motoneuron after upper motoneuron injury
Geng WANG ; Xinmin WU ; Guoli ZHAO
Chinese Journal of Anesthesiology 1994;0(05):-
Objective To observe the changes of calcitonin gene related peptide (CGRP) in rat spinal motoneuron after upper motoneuron injury. Methods Thirty six adult male Wistar rats were selected. Spinal cord transection was made at the lower thoracic segment. The lumbar regions of spinal cord were removed immediately, 1, 2, 4, 7 and 14 days after surgery to be divided into dorsal and ventral sections. The content of CGRP in ventral section was detected using radioimmunoassay method.Results The level of CGRP in spinal motoneuron of the lumbar region was decreased significantly after transection of spinal cord, reached the lowest level on the 2nd day after surgery and then maintained at the low level.Conclusions The upper motoneuron injury can result in the decrease of CGRP content in spinal motoneuron.
7.Protective effect of alginate polysaccharide JM on brain ischemia injury in rats
Ying FAN ; Zhao YANG ; Meiyu GENG
Chinese Journal of Marine Drugs 1994;0(01):-
Objective To evaluate the effect of alginate polysaccharide JM on rats impaired by brain ischemia,and to elucidate its mechanisms.Methods By using the middle cerebral artery occlusion(MCAO) induced by nylon surgical thread inserted through the internal carotid artery into the anterior cerebral artery in rats,the effects of JM on neurological dysfunction and infarct volumn in rats brain were investigated.Neuroblastoma SH-SY5Y cells were employed to study the inhibitory effects of JM on cytotoxicity induced by hypoxia-hypoglycemia.Results JM at the doses of 12.5 and 25 mg?kg-1,iv,30 min before ischemia impressed neurological dysfunction,characterized by the decreased behavioral obstacle scores of MCAO rats.The infarct volumn declined 24h after ischemia as well.Further investigation by flow cytometry revealed that JM significantly reduces the overloading of intracellular free calcium on and suppresses apoptosis induced by hypoxia-hypoglycemia in human neuroblastoma SH-SY5Y cells.Conclusion JM showed protective effects on brain ischemia,probably related to its inhibitory effect on the overloading of intracellular free calcium ion(\i) and cell apoptosis.
8.The effect of melatonin on oxidative stress and inflammatory reaction in patients with moderate to severe chronic obstructive pulmonary disease and its mechanisms
Dan WU ; Shuang GENG ; Su ZHAO
The Journal of Practical Medicine 2017;33(15):2431-2435
Objective To investigate the effect of melatonin on oxidative stress and inflammatory reaction in patients with moderate to severe chronic obstructive pulmonary disease and to explore its mechanisms. Methods 42 patients with moderate to severity chronic obstructive pulmonary disease in stable stage were random-ly divided into melatonin group and control group,and 21 patients in each group treated with melatonin(3 mg/d) or placebo for 3 months respectively. The plasma levels of 8- isoprotane,IL-8,TNF-α,h-CRP pulmonary func-tion,six minutes walking test and MRC dyspnea score before treatment,2 months and 3 months after the treatment were analyzed. Results After 2 months of treatment,compared to placebo groups,melatonin could significantly decrease the concentration of 8-isoprotane(10.40 ± 5.4 vs. 16.92 ± 4.33,P<0.05),and the concentration of IL-8 (6.88 ± 2.37 vs. 11.33 ± 3.39,P < 0.05). After 3 months of treatment,compared to placebo groups,melatonin could significantly decrease the concentration of 8-isoprotane(9.40 ± 4.0 vs. 17.92 ± 3.33,P < 0.01),and IL-8 (5.67 ± 3.22 vs. 9.31 ± 3.23,P < 0.05). Compared with before treatment,melatonin could significantly de-creased the concentration of 8-isoprotane(9.40 ± 4.0 vs. 20.40 ± 8.4,P<0.01 )and IL-8(5.67 ± 3.22 vs. 12.33 ± 3.88,P<0.05)after 3 months. Meanwhile,the concentration of the TNF-α(25.83 ± 9.18 vs. 35.83 ± 12.18,P<0.05)and hypersensitive C(1.76 ± 1.18 vs. 3.09 ± 1.79,P < 0.05)reactive protein in the melatonin group was greatly lower than the placebo group. After 3 months,compared to the placebo group,MRC dyspnea score of pa-tients in the group of melatonin was improved significantly(1.56 ± 1.38 vs. 2.09 ± 1.16,P<0.05 ),and lung func-tion and six minutes walk test showed no significant difference between patients in the two groups. Conclusions Exogenous melatonin administration can decrease the concentration of 8-isoprotane,IL-8,TNF-αand h-CRP in the blood of patients with moderate to severe COPD ,and improve the MRC dyspnea score. Melatonin has a significant effect on reducing oxidative stress and inhibiting inflammatory reaction in patients with moderate and severe stage stable COPD,which demonstrates its potential therapeutic value with broad clinical application prospects.
9.Glycosylations and cancer cell cycle
Yunxue ZHAO ; Jing LI ; Meiyu GENG
Chinese Pharmacological Bulletin 2003;0(08):-
It is well known that oligosaccharides in glycoproteins and glycolipids play crucial roles in a variety of cellular functions, such as proliferation, differentiation, and intercellular communications. The oligosaccharides of cell are increasingly being recognized as one of the most prominent biochemical alterations associated with malignant transformation and tumorigenesis. Glycosylations in different cell cycle and cell growth periods are significantly distinct, and these differences affect the cell cycle progression. In the past decades, along with the advances in genomics and proteomics, the functional significance of cancer-associated changes in glycosylation has been revealed. Eukaryotic organisms depend on an intricate and evolutionary conserved cell cycle to control cell devision. Mistakes in cell cycle process lead to cancer. This review highlights the relations between cell cycle and glycosylation changes in cancer cells.
10.Effects of echinacoside on protein expression from substantia nigra and striatal tissue in mouse MPTP model of Parkinsons disease by using 2-dimensional electrophoresis analysis
Xin ZHAO ; Xiaoping PU ; Xingchao GENG
Chinese Pharmacological Bulletin 1987;0(01):-
Aim To study the effect of echinacoside on behavior and proteins expression from substantia nigra and striatal tissue in MPTP mouse model of Parkinsons disease(PD)and discover the mechanism of its potential dopaminergic neuroprotective effect in the protein level.Methods The mouse model of PD was induced by 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine(MPTP)and the behavioral analysis of C57BL/6 mice was performed by using spontaneous movement and rotarod test.A proteomic approach based on 2-dimensional electrophoresis(2-DE),mass spectrometry(MS)and figure analysis was used to evaluate the effect of echinacoside on the behavior and the protein expression in substantia nigra and striatal tissue in C57BL/6 mice after MPTP administration.Results ① Compared with control,MPTP lesion significantly reduced the number of spontaneous movement and latent period of mice on the rotating rod(both P