1.Effects of NaokangⅡon cognitive function and neurogenesis in rats with cerebral ischemia WANG
Xiaobo HUANG ; Wenqiang CHEN ; Yujing CHEN
Chinese Journal of Cerebrovascular Diseases 2014;(11):589-594
Objective ToobservetheeffectsofNaokangⅡ,atraditionalChinesemedicineon spatial learning and memory abilities and hippocampal neurogenesis in rats with cerebral ischemia. Methods Atotalof54SDratsweredividedinto6groupsaccordingtothedigitalrandommethod:a control,a sham operation,a model,a low-dose,a medium-dose,and a high-dose NaokangⅡ group (the low-,medium-,and high-dose groups were 5,10,and 20 times of adults (n=9 in each group). A rat model was induced by ligate the bilateral common carotid arteries permanently. The bilateral common carotid arteries were only isolated but not ligated in rats of the sham operation group. The rats in the control group were not given any treatment. After modeling,the rats in the treatment groups were treated with NaokangⅡ. The rats in the control,sham operation,and model groups were given equal volume of isotonic saline (2 ml). Morris water maze test and space search experiment were used to evaluate the learning and memory abilities in rats 9 weeks after modeling. Immunofluorescence staining and immunohistochemical methods were used to observe proliferation and differentiation of neural stem cells (NSCs). Western blot was used to detect the expression of autophagy related protein Beclin-1 and LC-3Ⅱ. Results (1 )The escape latencies of the model group from 1 to 5 days were 100 ± 13,98 ± 13,82 ± 14,72 ± 15,and 46 ± 7 s,respectively. They were significantly longer than those of the sham operation group and the control group (all P<0. 05). The search distances were 1239 ± 127,1011 ± 122,959 ± 123,553 ± 66,and 407 ± 29 cm,respectively. They were significantly increased as compared with those of the sham operation group and control group (all P<0. 01). Both the escape latencies and search distances of the rats in the Naokang Ⅱ low-,medium-,and high-dose groups were significantly shorter than those of the model group (P<0. 05). The escape latencies on the fifth day were 20 ± 6,19 ± 8,and 15 ± 6 s,respectively,and the search distances were 234 ± 38, 297 ± 23,and 99 ± 22 cm,respectively. Nine weeks after modeling,the quadrant search time on the original platform in the rats of the model group was 30 ± 9 s,it was significantly shorter than that of the sham operation group (P<0. 01). The quadrant search time on the original platform of the Naokang Ⅱ low-, medium-,and high-dose groups were 34 ± 6,38 ± 8,and 40 ± 10 s,respectively. They were significantly longer than those of the model group (P <0. 01). (2)Nine weeks after modeling,the results of immunofluorescence and immunohistochemistry showed that the number of BrdU-positive cells and the Nestin positive cells in hippocampal dentate gyrus of the model group were higher than those of the control group and the sham operation group (P<0. 05). The number of BrdU-positive cells and Nestin positive cells of Naokang Ⅱ each dose group were significantly higher than those of the model group (P<0. 05). The expression of LC-3Ⅱand Beclin-1 in the model group was significantly higher than those in the control and sham operation groups (P<0. 01). The expression of LC-3Ⅱ in the medium- and high-dose groups was 143 ± 9 and 129 ± 9 respectively,and the expression of Beclin-1 was 139 ± 10 and 124 ± 7 respectively, andtheyweresignificantlylowerthanthemodelgroup(P<0.01).Conclusion NaokangⅡcanimprove the cognitive function in rats with cerebral ischemia,promote neurogenesis in the dentate gyrus,and inhibit autophagic cell death.
3.Canonical correlation of professional stress,social support and somatic symptoms of sub-health status in Ningbo normal senior school teachers
Yonglong ZHOU ; Wenqiang WU ; Weicheng CHEN
Chinese Journal of Behavioral Medicine and Brain Science 2009;18(3):271-272
Objective To explore the relationship of professional stress,social support and somatic symptoms of sub-health status of Ningbo normal senior school teachers. Methods 128 normal senior school teachers were selected and investigated by professional stress scale,social support scale and somatic symptoms of sub-health status scale, and canonical correlation analysis was used. Results The canonical correlation coefficient were 0.563, 0.471( P <0.01) with the existence of social support variable. The somatic symptoms of sub-health status would be greater with the rise of their professional stress and the decline of their social support. The canonical correlation coefficient was 0.497( P <0.01) with the elimination of social support variable. The factor loading of "examination pressure","professional burden" and "career expectation" in canonical variable ξ add to 0.801,0.855,0.726 respectively. The factor loading of "feeling of fatigue","sleep disorders" in canonical variable η add to 0.774,0.859 respectively. Conclusion The social support have adjustment function between the professional stress and somatic symptoms of sub-health status.
4.Antibiotic resistance patterns of uropathogens in 141 children hospitalized with complicated urinary tract infection
Xiaoyan PAN ; Wenqiang CHEN ; Yan YUAN
Chinese Journal of Postgraduates of Medicine 2014;37(33):30-33
Objective To investigate the distribution and antibiotic resistance patterns of uropathogens in children with complicated urinary tract infection to guide the empirical antimicrobial treatment.Methods Retrospective analysis of isolated bacteria from 141 children hospitalized with complicated urinary tract infection was performed from January 2011 to January 2013.Results Gram-negative bacillus were the main pathogens [56.6%(81/143)],and Escherichia coli was the leading cause (41.3%,59/143).Gram-positive bacillus accounted for 38.5% (55/143),including Enterococcus faecium (17.5%,25/143) and Enterococcus faecalis (14.7%,21/143).Fungi caused 4.9% (7/143) of the infections.The resistance of Escherichia coli to amoxicillin was the highest [92.0% (23/25)] and resistance to imipenem (4.3%,2/47),amikacin (6.8%,4/59) and nitrofurantoin (6.8%,4/59) was lower.It was observed resistance of Enterococcus faecium to linezolid,quinupristin,vancomycin and nitrofurantoin was significantly lower than other common antibiotics.The resistance of Enterococcus faecalis to quinupristin,tetracycline,erythromycin,rifampicin was significantly higher than other common antibiotics.Concluusions Escherichia coli,Enterococcus faecium and Enterococcus faecalis are the common uropathogens.These pathogens have a high antibiotic resistance to many common antibiotics.The selection of empirical treatment of children with complicated urinary tract infection should be adjusted by antimicrobial susceptibility test.
5.Cluster Analysis on Traditional Chinese Medicine Syndrome of Metaphase and Advanced Lung Cancer
Fen WANG ; Kaiwen HU ; Wenqiang CHEN
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(10):-
objective To analyse the traditional Chinese medicine syndromes of lung cancer by the way of variable cluster analysis. Methods 176 cases of lung cancer were collected and their symptoms were recorded. Then these patients’ clinical data were analyzed by variable cluster analysis. Results The Chinese medicine syndromes of these patients could be divided into 5 types, and the variable proportion is 50.94%. Conclusion TCM syndromes of metaphase and advanced lung cancer patients include both deficiency and excessive syndrome, mainly deficiency syndrome with. And, the way of variable cluster analysis could help TCM syndrome differentiation of lung cancer patients.
6.Correlate Analysis of Qi and Blood Deficiency Syndrome's Principal Components of Chronic Fatigue Syndrome and TCM Syndrome Differentiation
Zongxin LI ; Xiaobo HUANG ; Wenqiang CHEN
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(01):-
Objective To analyze the relationship of Qi and blood deficiency syndrome's principal components of chronic fatigue syndrome (CFS) and TCM syndrome differentiation. Methods Syndrome principal components of 25 CFS Qi deficiency patients and 23 CFS blood deficiency patients were researched and combined with TCM syndrome differentiation, then their relationship were analyzed. Results There was significantly positive relationship between CFS Qi deficiency syndrome principal component 1 and CFS Qi deficiency syndrome. And there were significantly positive relationships between CFS blood deficiency syndrome principal component l, 2 and CFS blood deficiency syndrome. Conclusion The CFS Qi deficiency syndrome and blood deficiency syndrome's principal components were accord with TCM syndrome differentiation. We could improve the TCM syndrome differentiation's impersonality and nicety, and predigest TCM diagnosis program if we combined two analysis ways.
7.Analysis on the Correlation between the Principal Components of TCM Symptoms and the Quality of Life of the Middle-Advanced Stages Lung Caner Patients
Fen WANG ; Erful ZHOU ; Wenqiang CHEN
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(02):-
Objective To analyze the correlation between the principal components of TCM symptoms and the quality of life of the middle-advanced stages lung cancer patients. Methods 176 lung cancer patients of the middle and advanced stages were collected, and their principal components of TCM symptoms were abstracted, and then the representative correlation analyses between the principal components and the quality of lives was made. Results There were two kinds of principal components of TCM syndromes. One was Qi and blood deficiency, phlegm and blood stasis, and water stasis;the other was Qi and blood deficiency. There was significantly negative correlationship between Qi and blood deficiency and GH, MH, RE, BP. Conclusion The principal components of TCM syndromes were consistent with the TCM thesis. And there was a significantly negative correlationship between the principal components of TCM syndrome and patients’ quality of life.
8.Influence of Daotan Decoction on the Expression of ICAM-1 in Cerebrovascular Endothelial Cells of Rat
Wenqiang CHEN ; Zongxin LI ; Xiaobo HUANG
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(01):-
Objective To study the intervention of Daotan Decoction to the expression of ICAM-1 in cerebrovascular endothelial cells. Methods Cerebrovascular endothelial cells were cultured to observed the influence of ICAM-1 expression,which was induced by TNF-?,by the way of immunocytochemistry methods. Results Compared with control group,the expression of ICAM-1 in model group was time-dependent (P
9.Assessment of myocardial viability with dobutamine stress echocardiography versus ~(99m)Tc single photon emission computed tomography
Xiaoping JI ; Wenqiang CHEN ; Yun ZHANG
Chinese Journal of Ultrasonography 2003;0(07):-
Objective To assess the value of dobutamine stress echocardiography (DSE) in predicting myocardial viability by comparing with single photon emission computed tomography(SPECT).Methods Taking improvement of ventricular wall motion as a standard,fifteen patients undergone percutaneous coronary artery intervention(PCI) were detected by DSE and SPECT respectively,comparing their accuracy in predicting myocardial viability.Results By DSE, difference of the sensitivity and negative forecasting value was remarkable between peak dose stage and low dose stage,comparing with DSE,SPECT had the highest sensitivity and the lowest distinctivity.Conclusions The two techniques have their own advantages and disadvantages in predicting myocardial viability,but DSE is more practical.
10.Experimental study on intravascular ultrasonic features of unstable atherosclerotic plaques
Wenqiang CHEN ; Yun ZHANG ; Mei ZHANG
Chinese Journal of Ultrasonography 1997;0(06):-
0.05 ).However,there were more eccentric plaques in ruptured than in non-ruptured groups ( P