2.INCREASED INTRACELLULAR Ca AND CHOLESTEROL DEPOSITION BY GLYCOSY-LATED LDL
Yi FENG ; Nai-Feng LIU ; Ri-Xin CHEN ;
Chinese Journal of Endocrinology and Metabolism 1986;0(04):-
The changes in intracellular Ca and metabolism of lipid in human monocyte-macrophages as interacted with glycosylated LDL (glc-LDL) were studied and compared with normal LDL group. The intracellular Ca in glc-LDL group was higher than in normal LDL group (P
4. Progress of imaging for moyamoya disease
Academic Journal of Second Military Medical University 2016;37(5):601-607
Moyamoya disease (MMD) is a chronic progressive cerebrovascular disease with its reason remaining unclear; the disease has different morbidities among different races, with East Asia countries including China having higher incidence. The pathogenesis of MMD is still unclear and the clinical characteristics lack specificity, making it difficult for early diagnosis. Researches have shown that revascularization surgery can slow down the ischemic process, but no sufficient evidence indicates that revascularization surgery can be used for hemorrhagic MMD. Imaging approachs, including morphological and functional imaging, are the main diagnosis, evaluation and follow-up method for cerebrovascular diseases. This review aimed to summarize the application and research on multiple imaging methods for MMD.
5.Application of multiplex polymerase chain reaction to identify Brucella
Li-Hong, HAN ; Zhi-Guo, LIU ; Miao, WANG ; Ri-Hong, LIU ; Bu-yun, CUI
Chinese Journal of Endemiology 2013;32(5):496-499
Objective To evaluate the effect of multiplex polymerase chain reaction(Multiple-PCR) in identification of Brucella strains.Methods Six standard Brucella strains (Brucella abortus,Brucella melitensis,Brucella suis,Brucella canis,Brucella ovis,Brucella neotomae) were used as positive controls and Escherichia coli O∶157 and Yersinia enterocolitica O∶9 were used as negative controls.A total of 29 Brucella strains were tested.Brucella strains were amplified by BCSP31-PCR and the species of Brucella with positive results were identified with Multiple-PCR method.Results The results of all 29 amplified Brucella strains were positive with BCSP31-PCR.The identified results of all Brucella strains were positive with Multiple-PCR,including 20 strains of Brucella melitensis,5 isolates of Brucella suis,3 strains of Brucella abortus and 1 strain of Brucella canis.Conclusion Multiple-PCR method is a rapid,specific,simple and low risk method for identification of Brucella species.
6.Study on discrimination mode of cold and hot properties of traditional Chinese medicines based on biological effects.
Li-Ping HUANG ; Ming-Feng ZHU ; Ri-Yue YU ; Jiang-Qiang DU ; Hong-Ning LIU
China Journal of Chinese Materia Medica 2014;39(17):3353-3358
OBJECTIVETo observe the effect of cold or hot properties of traditional Chinese medicines (TCM) on biological effect indexes, and analyze the contribution of variables on cold or hot properties, in order to preliminarily establish the discrimination mode for the biological effects of cold or hot properties.
METHODRats were randomly divided into the blank control group, cold TCM groups (Coptidis Rhizoma, Scutellariae Radix, Phellodendri Cortex, Gardeniae Fructus, Sophorae Flavescentis Radix and Gentianae Radix) and hot TCM groups (Aconiti Lateralis Preparata Radix, Zingiberis Rhizoma, Alpiniae Officinarum Rhizoma, Zanthoxyli Pericarpium, Cinnamomi Cortex and Evodiae Fructus), and orally administered with 10 mL x kg(-1) of corresponding TCM water decoctions for 30 d, twice a day. Altogether 53 biological effect indexes correlated to cold or hot properties of traditional Chinese medicines were founded by searching literatures. The data warehouse were established by using data-mining software Clementine12.0. Data of the blank control group, cold TCM groups (Coptidis Rhizoma, Phellodendri Cortex, Gardeniae Fructus, Sophorae Flavescentis Radix, Gentianae Radix) and hot TCM groups (Aconiti Lateralis Preparata Radix, Zingiberis Rhizoma, Alpiniae Officinarum Rhizoma, Zanthoxyli Pericarpium, Cinnamomi Cortex) were selected into a training set. C5.0 algorithm and C&R classification and regression algorithm were adopted to define the importance of variable, create the decision trees, and test hot or cold properties of Evodiae Fructus and Scutellariae Radix.
RESULTAccording to C&R classification and regression algorithm, SDH activity of livers was the most important hot or cold property, with the significance closed to 30%. It was followed by triglyceride, liver Na' -K' -ATPase enzyme, muscle glycogen and platelet distribution width, with the accuracy up to 97.39% in models. C5.0 algorithm showed that liver SDH activity was the most important hot or cold property, with the significance closed to 40%. It was followed by triglyceride, GOT, muscle glycogen and liver Na(+)-K(+)-ATPase enzyme, with the accuracy up to 98.26% in models. The possibilities that Evodiae Fructus is in hot property and Scutellariae Radix is in cold property were 100. 00% and 77.78% by using both C&R classification and regression algorithm and C5.0 algorithm.
CONCLUSIONThe SDH activity of liver is the most important biological effect index to distinguish cold and hot properties of TCMs. The discrimination pathway or mode of cold and hot properties is closely related to energy metabolism.
Algorithms ; Animals ; Drugs, Chinese Herbal ; classification ; pharmacology ; Fruit ; chemistry ; Liver ; drug effects ; metabolism ; Liver Glycogen ; metabolism ; Male ; Medicine, Chinese Traditional ; methods ; Outcome Assessment (Health Care) ; methods ; Phytotherapy ; classification ; methods ; Plant Roots ; chemistry ; Plants, Medicinal ; chemistry ; classification ; Random Allocation ; Rats, Sprague-Dawley ; Rhizome ; chemistry ; Sodium-Potassium-Exchanging ATPase ; metabolism ; Succinate Dehydrogenase ; metabolism ; Triglycerides ; metabolism
7.Effects of As2 O3 in combination with cinobufacini on proliferation and apoptosis of the K562 cells
Linsheng LUO ; Hao ZHANG ; Qiang LI ; Ali XUE ; Lingyun LIU ; Ri ZHANG
Journal of Chinese Physician 2011;13(3):340-342
Objective To investigate the effect of As2 O3 in combination with cinobufacini on proliferation and apoptosis of the K562 cells and provide theoretical basis for clinical application.Methods Cell proliferation was assayed by analyzing the growth and viability of the cells.Apoptosis was assayed by performing cell morphology,Annexin-V/PI staining,DNA-PI staining,and DNA gel electrophoresis.Results After exposure to As2O3 and cinobufacini,the growth of K562 cells was inhibited and the viability of K562 cells was decreased. After treated with 1.0μmol/L As2O3,0.125μg/ml cinobufacini,0.25μg/ml cinobufacini,1.0μmol/L As2O3 + 0.125 μg/ml cinobufacini,1.0μmol/L As2O3 + 0.25μg/ml cinobufacini for 24 and 48 hours,the proliferation inhibition rate were(24 ± 1.3)%,(21 ± 1.5)%,(38 ± 3.1)%,(57 ±2.7)%,(66 ±3.3)% and(49 ±2.9)%,(48 ±2.7)%,(61 ±2.1)%,(77 ±3.8)%,(82 ±4.2)%,the apoptosis rate of K562 cells were(4.8 ± 0.5)%,(5.6 ± 0.7)%,(9.8 ± 0.6)%,(11.9 ± 1.2)%,(15.2±1.5)% and(11.0 ±0.9)%,(12.9 ±1.1)%,(18.4 ±1.5)%,(21.0 ±2.0)%,(28.0 ±1.9)%.The percentage of apoptotic cells was a time- and dose-dependent manner.Typical DNA ladder was shown by DNA gel electrophoresis.Conclusions As2O3 combined with cinobufacini inhibited the proliferation of K562 cells and induced apoptosis of the K562 cells,the combination of the two drugs had better effect.
8.ISOLATION OF AN ESTERASE PRODUCER TRICHOSPRONBRASSICAE AND ITS CATALYTIC PERFORMANCE IN KINETICRESOLUTION OF KETOPROFEN
Duan SHEN ; Jian-He XU ; Peng-Ri GONG ; You-Yan LIU ; Hui-Yuan WU ;
Microbiology 1992;0(01):-
A strain of yeast capable of hydrolyzing ethyl ester of racemic Ketoprofen with high enantioselectivity has been isolated from soil after two-step enrichment. The yeast was identified as Trichosporon brassicae. The process of growth and enzyme production was investigated. The catalytic performance of the resting cell of KET4 in kinetic resolution of Ketoprofen was also investigated. When the conversion of substrate reached 41% , enantiomeric excess of the (S) - Ketoprofen produced was 91 % , indicating a high enantiomeric ratio of 45.
9.Auricular point sticking for relieving pain in arteriovenous fistula puncture
Guang-Min LIU ; Ri-Yang LIN ; Xiao-Yan LU ; Chun-Xiang HUANG
Journal of Acupuncture and Tuina Science 2019;17(6):427-431
Objective:To observe the clinical efficacy of auricular point sticking at different points to relieve the pain in arteriovenous fistula puncture. Methods: A total of 42 patients with arteriovenous fistula were randomized into a Shenmen (TF4) group and an Elbow (SF3) group by the random number table method, with 21 cases in each group. After enrolled into different groups, before the dialysis, patients were given auricular point sticking with Wang Bu Liu Xing ( Semen Vaccariae) seeds at Shenmen (TF4) and Elbow (SF3), respectively. Patients were asked to press the seeds themselves for 2 min each time, four times a day, and an additional 5-15 min before the arteriovenous fistula puncture. Intensive pressing was offered during the puncture, 15-20 presses for each time, and the plasters were changed every 2-3 d. The numerical rating scale (NRS) was used to score the pain level one week before and after auricular point sticking. The NRS score was then compared and analyzed. Results: The intra-group comparison showed that the changes of NRS score in both groups were statistically significant after auricular point sticking (both P<0.05). After the treatment, there was no significant difference in NRS score between the two groups (P>0.05). Conclusion: Auricular point sticking at Shenmen (TF4) or Elbow (SF3) can effectively relieve the pain of arteriovenous fistula puncture, and these two points have equivalent analgesic effect.
10.Regulation of syringin, chlorogenic acid and 1,5-dicaffeoylquinic acid biosynthesis in cell suspension cultures of Saussurea involucrata.
Ri-Dao CHEN ; Xiao LIU ; Jian-Hua ZOU ; Lin YANG ; Jun-Gui DAI
China Journal of Chinese Materia Medica 2014;39(12):2275-2280
Syringin, chlorogenic acid and 1,5-dicaffeoylquinic acid are three main bioactive ingredients in herbs of Saussurea involucrata with various pharmacological properties, while their contents are very low. In this study, the biosynthesis of syringin, chlorogenic acid and 1,5-dicaffeoylquinic acid in the cell suspension cultures of S. involucrata were regulated by feeding carbon sources and precursors, which resulted in a great increase of the contents and yields of the above three bioactive ingredients. After 16 days of fermentation, the yields of syringin, chlorogenic acid and 1,5-dicaffeoylquinic acid reached 339.0, 225.3, 512.7 mg x L(-1), respectively. Meanwhile, their contents increased up to 67.9, 1.9, 10.6 times of wild medicinal material, respectively. The results provided a solid basis for further studies on application of cell suspension cultures of S. involucrata for large-scale production of bioactive compounds syringin, chlorogenic acid and 1,5-dicaffeoylquinic acid.
Cell Culture Techniques
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Cells, Cultured
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Chlorogenic Acid
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analysis
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metabolism
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Cinnamates
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analysis
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metabolism
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Glucosides
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analysis
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biosynthesis
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Phenylpropionates
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analysis
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Saussurea
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chemistry
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growth & development
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metabolism