1.Comparison of the effects of single emotional stimulus and complex emotional stimuli on the rat model of liver depression syndrome
Liang SHI ; Jiahui SUN ; Rong SUN
Chinese Journal of Comparative Medicine 2017;27(4):82-88
Objective To compare the effects of single and complex emotional stimuli on animal model of liver depression syndrome,in order to find out an animal model of liver depression syndrome with more similar clinical manifestations.Methods Based on the previous screening work,different methods,i.e.tail clamping,limb binding,putting a cangue on the neck,were used respectively,or using the three methods in combination to establish rat models of liver depression syndrome.A comparison table of human and rat liver depression syndrome was prepared,a mark sheet of evaluation criteria was made,general condition was observed and body weight was measured,and positive response to drugs and changes of hormonal levels were evaluated to identify whether the models were established successfully.Results Rats in the control group grew well and showed no abnormalities.There were lots of abnormal phenomena in the model group especially in the complex emotional stimulus modeling group.They were maniac with acute stress or depressive with chronic stress,had dry hair,small and less feces,many of the rats had hair loss,red eyes and shortness of breath symptom.They showed a significantly lower body weight gain and higher levels of CRH in hypothalamus and plasma ACTH and CORT.The manifestations were much more severe in the complex-emotional stimuli-induced model group than that in the single-stimulus prepared model groups.The drug-treated group showed considerable alleviation of the symptoms and improvement of the parameters closing to normal levels.Conclutions Establishing the rat model of stagnation of liver depression syndrome by complex emotional stimuli modeling method has good stability,with a short preparation period and high success rate,and presenting a better consistence with clinical liver stagnation of depression syndrome,so as to provide a suitable tool for TCM research.
2.Determination of alkaloid from combination of Rhizoma Coptidis and Fructus Evodiae by TLCS
Fajing LIU ; Dongmei SUN ; Jiahui LU ; Aili XU
Chinese Traditional Patent Medicine 2010;(1):75-79
AIM: To investigate the changes of alkaloid in Rhizorrm Coptidis and Fructus Evodiae before and after combination. METHODS: The content of berberine hydrochloride,palmatine hydrochloride,jatrorrhizine hydrochloride in Rhizoma Coptidis and Fructus Evodiae before and after combination were determined by TLCS.RESULTS : After combination of Rhizoma Coptidis and Fructus Evodiae,contents of berberine hydrochioride,palmatine hydrochloride,jatrorrhizine hydrochloride significantly reduced,among which the reduction of berberine hydrochloride was more obvious.CONCLUSION: In decoction,Fructus Evodiae appears to restrict the alkaloid from Rhizoma Coptidis in order to lower the side effect of Rhizoma Coptidis.
3.Determination of alkaloid from combination of Rhizoma Coptidis and Fructus Evodiae by TLCS
Fajing LIU ; Dongmei SUN ; Jiahui LU ; Aili XU
Chinese Traditional Patent Medicine 1992;0(01):-
AIM:To investigate the changes of alkaloid in Rhizoma Coptidis and Fructus Evodiae before and after combination.METHODS:The content of berberine hydrochloride,palmatine hydrochloride,jatrorrhizine hydrochloride in Rhizoma Coptidis and Fructus Evodiae before and after combination were determined by TLCS.RESULTS:After combination of Rhizoma Coptidis and Fructus Evodiae,contents of berberine hydrochloride,palmatine hydrochloride,jatrorrhizine hydrochloride significantly reduced,among which the reduction of berberine hydrochloride was more obvious.CONCLUSION:In decoction,Fructus Evodiae appears to restrict the alkaloid from Rhizoma Coptidis in order to lower the side effect of Rhizoma Coptidis.
4.Optimization of the establishment protocol of a mouse model of MBA/TPA-induced skin cancer
Jiahui SUN ; Hui SHAN ; Xiaoyu PAN ; Yuchao GU
Acta Laboratorium Animalis Scientia Sinica 2017;25(1):31-35
Objective To induce skin cancer in BALB/c mice using DMBA as initiator and TPA as tumor promot-er. Through optimizing the doses and frequencies of DMBA administration to establish a stable skin cancer model with less time and causing less skin damage. Methods Shaving the back of mice to expose a piece of skin around 2 cm × 2 cm. The mice were divided into a blank control group and four treatment groups randomly. These four groups were given 1, 2, 4, 7 times 100μg/100μL DMBA/acetone, respectively, in the first week, and twice 4μg/100μL TPA/acetone per week in the next 11 weeks. The body weight changes, time of tumor formation and number of tumors formed were recorded during the experiment. The mice were sacrificed at 12th week and samples of tumor tissue and adjacent normal skin tissue were taken for pathological examination using HE staining. Results Tumors were observed at the 7th week in the group with once DMBA administration in the first week and at the 4th week in the group with twice DMBA administration in the first week. Skin cancers were formed also in the group with 4?time DMBA administration in the first week, however, with signif?icantly more severe skin damages. The mice receiving DMBA everyday in the first week died at the 3th week. Conclusions The best induction protocol for skin cancer in BALB/c mice should be twice DMBA in the first week followed by twice TPA
5.Differences of serum uric acid levels between Uygur and Han people who underwent physical examination and its correlation with lipid metabolism
Jiahui YU ; Haliakpaer GULINIZHA ; Bei ZHANG ; Yuping SUN
International Journal of Laboratory Medicine 2015;(3):291-293
Objective To investigate the relationship between uric acid levels and lipid metabolism in Uyghur and Han people who underwent physical examination.Methods From February 2012 to February 2013,8 197 blood samples were collected for the tests of serum uric acid and some other relevant lipid metabolism indicators in the First Affiliated Hospital of Xinjiang Medical Uni-versity.Results The uric acid level of Han was higher than that of Uyghur people(P <0.05),the levels of uric acid has gradually increased with the growing age both in the Uygur and Han people.The uric acid and high-density lipoprotein and apolipoprotein-A showed negative correlation between Uyghur and Han(P <0.05),however,the uric acid and other factors showed positive correla-tion(P <0.05).Conclusion There is ethnic differences in the level of uric acid and the prevalence of hyperuricemia in people who underwent physical examination of Urumqi,there are correlations between uric acid levels and the lipid metabolism.
6.Hairy root culture optimization and aucubin medical composition production of Eucommia ulmoides.
Rui YANG ; Jiahui ZHANG ; Xuemei SUN ; Min SUN
China Journal of Chinese Materia Medica 2009;34(15):1902-1905
OBJECTIVETo introduce the hairy root of Eucommia ulmoides, and screen put the excellent roots.
METHODHairy roots were obtained by infecting the different explants of E. ulmoides. Aucubin content was detected by HPLC.
RESULTThe best transformation condition was embryonic axis infected by twenty minutes bacillus water dip-dye and three-days co-culture. Liquid culture was better than solid culture, and advantageous to accumulating of biomass and medical contents of hairy root. The E1 was the excellent roots.
CONCLUSIONHairy root of E. ulmoides will be useful for the production of active components in aucubin.
Culture Media ; metabolism ; Eucommiaceae ; chemistry ; growth & development ; metabolism ; Glucosides ; analysis ; metabolism ; Iridoid Glucosides ; Iridoids ; analysis ; metabolism ; Plant Roots ; chemistry ; growth & development ; metabolism ; Tissue Culture Techniques
7.Efficient Derivation of Mesenchymal Stem Cells and Neural Precursor Cells From Human Embryonic Stem Cells Through Teratoma Formation
Qiao ZENG ; Shimin AN ; Qian PAN ; Kun XIA ; Jiahui XIA ; Zhuohua ZHANG ; Yi SUN ; Guoping FAN
Progress in Biochemistry and Biophysics 2008;35(12):1417-1424
Many somatic cell typos were obtained by in vitro differentiation or teratoma formation of human embryonic stem ceLls (hESCs). However, it is unclear whether specific cell types can be obtained from hESCs-derived teratoma. It was reported that many kinds of cells, including neural progetfitor/precursor cells (NPCs) and mesenchymal stem cells (MSCs) were isolated efficiently from the teratoma of hESCs through in vitro selection. The teratoma-derived NPCs and MSCs showed specific characteristics of molecular markers similar to the primary NPCs and MSCs. Moreover, these teratoma-induced NPCs and MSCs can be further induced to differentiate into neurons, astrocytes, or adipose and bone cells, reflecting their inherent multi-potencies. Given that teratoma normally contains a mixture of ectoderm, mesodenn, and endoderm lineage cells at different differentiation stage, it was suggested that hESCs-derived teratoma could be an alternative source to generate a variety of uncommitted progenitor cells or terminally differentiated somatic cells, which may be otherwise difficult to obtain through direct in vitro differentiation.
8.The application of three-dimensional breath-hold gradient and spin-echo sequence in the MR cholangiopancreatography
Yichao XU ; Zhengdao XU ; Jiahui ZHANG ; Zhangming SUN ; Jianxin CHEN ; Yijiang HU ; Yanting JI
Chinese Journal of Radiology 2021;55(1):64-69
Objective:To evaluate the clinical feasibility and image quality of three-dimensional breath-hold gradient and spin-echo (3D BH-GRASE) sequence in magnetic resonance cholangiopancreatography (MRCP).Methods:In this prospective study, 59 patients with clinically suspected pancreaticobiliary duct disease performed MRCP with both 3D BH-GRASE and 3D respiration-triggered turbo spin-echo (3D RT-TSE) sequences on 3.0 T scanner in the Affiliated Zhangjiagang Hospital of Soochow University from November 2017 to December 2018. The overall image quality was scored independently by 3 experienced radiologists based on the visibility of different anatomical features of the pancreaticobiliary duct. For comparing the 2 sequences, the statistical difference in scan time was assessed with a paired t test; while subjective scores, signal-to-noise ratios (SNR), contrast ratios (CR) and contrast noise ratios (CNR) were compared with Wilcoxon signed rank test. Results:The scan time of 3D BH-GRASE sequence was 16.4 s while that of 3D RT-TSE was (258.6±42.2) s. Their difference was statistically significant ( t=44.073, P<0.001), with the scan time for 3D BH-GRASE shortened by 94%. The overall quality scores of 3D BH-GRASE images were better than those of 3D RT-TSE ( Z=-6.595, P<0.001). There was no statistical difference ( P>0.05) in the scores regarding the visibility of the upper, middle and lower parts of common bile duct and the first and second branches of left and right hepatic ducts. For visualizing the bottom, body, neck and duct of gallbladder, the 3D BH-GRASE sequence received a higher score than the 3D RT-TSE sequence ( P<0.001). For displaying the proximal, middle and distal segments of main pancreatic duct, the 3D RT-TSE sequence was scored higher than the 3D BH-GRASE sequence ( P<0.05). There was no significant difference of SNR between the two sequences ( Z=0.403, P=0.687), whereas CR and CNR of 3D RT-TSE MRCP were better than those of 3D BH-GRASE MRCP ( Z=6.215, P<0.001 and Z=3.046, P=0.002, respectively). Conclusion:Under the prerequisite of ensuring image quality, a proper use of 3D BH-GRASE sequence can significantly shorten the scan time and thus greatly improve the working efficiency of MRCP examination.
9.Effect of antiemetic of Banxia Fuling Capsule on emesis induced by cisplatin
Xiaoyan CHEN ; Jiahui WANG ; Yuju BAI ; Qihai GONG ; Qin WU ; Anshen SUN
Chinese Traditional Patent Medicine 1992;0(12):-
AIM:To investigate the antiemetic effect of preadministration of Banxia Fuling Capsule(Rhizoma Zingiberis recens,Rhizoma Pinelliae,Poria,etc)(BFC)in pigeons and dogs,and to explore the relationship between antiemetic effect of BFC and 5-hydroxytryptamine(5-HT).METHODS:The pigeons and dogs were pretreated with BFC for 3 days.Acute emesis of pigeons and dogs induced by intravenously injecting cisplatin were observed.The concentraction of 5-HT in the serum,small intestine and brainstem of the animals were determined by spectrofluorimetry.RESULTS:The number and incidence of the emesis decreased in the treatment of BFC in dogs and pigeons;The levels of 5-HT in brainstem and small intestine decreased in pigeons,and so was it in the serum of dogs.CONCLUSION:BFC may inhibit emesis induced by cisplatin in dogs and pigeons,the antiemetic effect of BFC may decrease the synthesis and release of 5-HT in brainstem and small intestine.
10.Transplantation of exogenous mesenchymal stem cells treats post-infarction ventricular remodeling in rats
Jie CHEN ; Jianan WANG ; Xinyang HU ; Ronghua LUO ; Xiaojie XIE ; Jiahui LI ; Aina HE ; Yong SUN
Chinese Journal of Pathophysiology 2000;0(07):-
AIM:This study was performed to investigate the feasibility and efficiency of exogenous mesenchymal stem cells(MSCs) transplantation on post-infarction ventricular remodeling and heart function in rats and compare the effects between adult rat MSCs and neonate rat MSCs transplantation.METHODS:1-2 hours after left coronary artery ligation,MSCs cultured in ex vivo,marked with BrdU,were injected directly into the border of infarcts in exogenous rats.6 weeks after transplantation,rat' heart function,ventricular remodeling and pathological results were measured.RESULTS:MSCs transplantation decreased LV end-diastolic diameter and end-systolic diameter,limited LV chamber dilatation and reduced collagen content significantly.The numbers of blood vessels and cardiomyocytes were increased.BrdU-labelled MSCs with oval nucleus were widely distributed.There were no significant difference between adult rat MSCs and neonate rat MSCs transplanted groups.CONCLUSION:MSCs can survive and home in exogenous host infarct hearts without addition of any immunosuppressant.MSCs transplantation has benificial effects on remodeling processes and contributes to improvement of cardiac function,which may be related with the reduction of the amount of the collagen,promotion of myogenesis and angiogenesis.