1.Studies on Antibacterial Activity of Extracts from 60 Traditional Chinese Medicinals
Tiantian TONG ; Hao HUANG ; Yiming WANG ; Guoan LUO
World Science and Technology-Modernization of Traditional Chinese Medicine 2013;(6):1268-1273
This study was aimed to screen antibacterial agents against 9 pathogenic bacteria from 240 extracts of 60 traditional Chinese medicinals ( TCM ) . And the minimum inhibitory concentration ( MIC ) test was applied on extracts with positive results. The disk diffusion was employed to screen the antibacterial activity preliminar-ily among 240 extracts. The MICs of active extracts were tested by liquid culture method (double dilution method). The results revealed that 104 extracts show antibacterial activity on one or more strains, 20 of them show strong inhibition on three commonly seen bacteria ( MIC < 0 . 2 mg/mL ) . It was concluded that ethanol , acetone and hexane extracts of 11 TCMs including Salvia miltiorrhiza, Cnidium monnieri, Polygonum tinctorium, Taraxacum mongolicum, Morus alba, Glycyrrhiza uralensis, Curcuma longa, Arnebia euchroma, Lobelia chinen-sis , Chrysanthemum indicum and Buddleja officinalis show strong inhibition on Bacillus subtilis , Bacillus cereus , Staphylococcus aureus .
2.Clinical value of preventive analgesia in patients with radical gastrectomy for gastric cancer: a prospective study
Qingchuan ZHAO ; Xiaonan LIU ; Fan FENG ; Yiming HAO ; Junjie ZHU
Chinese Journal of Digestive Surgery 2015;14(1):57-60
Objective To investigate the clinical value of preventive analgesia in patients with radical gastrectomy for gastric cancer.Methods The clinical data of 161 patients undergoing radical gastrectomy for gastric cancer at the Xijing Hospital from July 2012 to June 2013 were prospectively analyzed.A single-blind,randomized,controlled study was performed in the eligibe patients who were randomly divided into the preventive analgesia group and the control group based on a random number table.All the patients received major gastrectomy + Billroth Ⅱ anastomy or total gastrectomy + esophagojejunastomy,and then they received vein combined anesthesia and tracheal intubation.In the preventive analgesia group,10 mg dexamethasone and 200 mg parecoxib were administered by intravenous infusion before operation,7-8 mL ropivacaine (0.5%) were injected at the incisional site and transversus abdominis infiltration at open and close surgery and celecoxib was taken orally for 3 days.In the control group,vein analgesia pump was used after operation.The visual analogue scale (VAS),proportion of patients with postoperative out-off-bed activity time > 8 hours,time of flatus,time of defecation and duration of hospital stay were recorded between the 2 groups.The measurement data with normal distribution were presented as x ± s.The comparison between groups was evaluated with the t test and repeated measures ANOVA.The data with skew distrubution and ordinal data were analyzed by the analysis of variance,and the count data were analyzed using the chi-square test.Results All the 161 patients who were screened for eligibility were randomly divided into the preventive analgesia group (87 patients) and the control group (74 patients).The scores of the VAS at postoperative day 1,2 and 3 were 2.8 ± 0.6,2.6 ± 0.4 and 1.8 ± 0.4 in the preventive analgesia group,and 5.3 ± 0.5,4.2 ± 0.6 and 2.4 ± 0.3 in the control group,with a significant difference between the 2 groups (F =4.25,P < 0.05).The proportion of patients with postoperative first abmulation time > 8 hours at postoperative day 1,2 and 3 were 8,17 and 20 in the preventive analgesia group,and 0,3 and 11 in the control group,with a significant difference between the 2 groups (x2 =7.60,10.26,3.16,P < 0.05).The time of flatus,time of defecation and duration of hospital stay were (51 ± 24) hours,(61 ± 24) hours and (5.5 ± 3.0) days in the preventive analgesia group,compared with (71 ± 23) hours,(83 ± 30) hours and (6.3 ± 2.1) days in the control group,showing a significant difference between the 2 groups (t =5.32,5.04,0.17,P < 0.05).All the patients in the 2 groups normally survived after surgery without respiratory depression,incision infection and adverse drug reaction.Conclusions Preventive analgesia in the perioperative treatment of patients with radical gastrectomy for gastric cancer could relieve the postoperative pain of patients,improve the bowel function and enhance the recovery of patients.Registry This study was registered with the Chinese Clinical Trial Registry with the registry number of ChiCTRTRC-11001440.
3.Studies on chemical constituents of Callicarpa pedunculata
Yiming HU ; Yuemao SHEN ; Qiongxian GU ; Guoying ZUO ; Xiaojiang HAO
Chinese Traditional and Herbal Drugs 1994;0(12):-
Object To study the chemical constituents of whole plant of Callicarpa pedunculata R Brown Methods Various chromatographic techniques were employed for isolation and purification of its constituents; and their structures were identified by spectral analysis (IR, MS, 1HNMR, 13 CNMR) and chemical evidences Results Ten compounds were obtained from the chloroform extract of the whole plant Among them four were diterpenoids which were identified as: 14 ?-hydroxy-7, 15-isopimaradien-18-oic acid (Ⅰ), 16 ?, 17-dihydroxy-3-oxo-phyllocladanetriol (Ⅱ), 8, 11, 13, 15-abietetraen-18-oic acid (Ⅲ), and 6 ?-hydroxy nidorellol (Ⅳ); 2 flavonoids: 5-hydroxy-3, 4′, 7-trimethoxy-flavone (Ⅴ), and 3, 5-dimethyl kaempherol (Ⅵ); and the others were ursolic acid (Ⅶ), myoinositol (Ⅷ), ?-sitosterol (Ⅸ), and ?-amyrin (Ⅹ) Conclusion Compounds Ⅰ, Ⅱ, Ⅲ, Ⅳ were found in this plant for the first time and it was of interest to note that they were of different diterpenoid skeletons The content of ursolic acid attained to a high level up to 1%, which may be exploited as a natural resource for medical purposes
4.Effects of conditioned media for rat bone marrow-derived mesenchymal stem cells on palmitic acid-induced insulin resistance in HepG2 cells
Xiaoya SUN ; Haojie HAO ; Weidong HAN ; Yiming MU
Chinese Journal of Internal Medicine 2015;54(5):439-444
Objective To study the effect of conditioned media for rat bone marrow mesenchymal stem cells (BMSCs-CM) on palmitic acid (PA)-induced insulin resistance (IR) in HepG2 cells and its underlying molecular mechanisms.Methods HepG2 cells were treated with or without BMSCs-CM and L-DMEM in the presence or absence of PA.Glucose utilization in HepG2 cells were detected with PAS,glucose and glycogen measurements.Western blotting was used to assess the expression of phospho-insulin receptor substrate (p-IRS),phosphatidylinositol 3-kinase (PI3 K) and p-AKT.Results (1) Incubation of HepG2 cells with 0.25 mmol/L PA for 24 hours significantly increased the glucose concentration and decreased the glycogen content (P < 0.05) in the media.(2) Treatment with BMSCs-CM significantly ameliorated the glucose and glycogen alteration in cells pretreated with PA (P < 0.05),however,no obvious effect of BMSCs-CM on the cell glucose and glycogen production.(3) BMSCs-CM treatment also increased protein expression of p-IRS,PI3K and p-AKT in PA incubated HapG2 cells (P< 0.05).The effect of BMSCs-CM on PI3K and p-AKT expression could be mimicked upon addition of 740Y-P,a PI3K agonist,but abolished by LY294002,a PI3K specific inhibitor.Conclusions BMSCs-CM could improve the insulin sensitivity in HepG2 cells pretreated with PA through upregulation of insulin signaling component expression.
5.Studies on establishment of calli culture for rapid propagation of Spiraea japonica
Yiming HU ; Fanyuan GAN ; Liping PENG ; Xiaojiang HAO ;
Chinese Traditional and Herbal Drugs 1994;0(11):-
Object To establish a calli culture system for the rapid propagation of Speiraea japonica L. f.. Methods Callus and shoot induction were carried out on MS, 6, 7 V or B 5 media with different parts of the plant such as stem tip, tender leaves and petiole as explants. Results A calli culture system was established for the rapid propagation of S. japonica. Conclusion MS cultural medium was found to be most suitable for calli induction. MS with 2.0 mg/L 2,4 D+0.3 mg/L KT can induce calli when the explants were used for the induction, with stem tips being the most satisfactory explant. Clusters of seedlings can be induced on MS+2 mg/L BA+0.1 mg/L NAA and when these seedlings were transferred to 1/2 MS +0.25 mg/L BA+0.5 mg/L NAA medium, root were developed to give young seedlings.
6.Study on associated protein markers in urine of patients with chronic renal failure
Yiming HAO ; Mingchao HONG ; Wenjing WANG ; Bin QIAO ; Yaming JIN ; Yiqin WANG
Chinese Journal of Nephrology 2011;27(9):633-636
Objective To investigate the associated protein markers in urine of patients with chronic renal failure (CRF) based on surface enhanced laser desorption and ionization time of flight mass spectrometry (SELDI-TOF MS)technique.Methods Urine samples were taken from 150 CRF patients and 50 healthy people,and investigated by proteomic techniques with H4 gene chip.Results Compared to healthy group,141 different protein peaks were identified within the range of 1000 to 20 000 M/Z in the protein map of CRF group,whose differences were all significant (all P<0.01).The decision tree model for CRF urine was constructed after bioinformation analysis to significantly differentiate between CRF and healthy group.The accuracy rate,sensitivity and specificity of the decision tree model were 96.0%,100.0% and 94.7% respectively.In CRF group and healthy group,the different protein peaks in urine were identified to probably be 17 proteins with reference to SwissProt database.Conclusions Candidate protein markers in urine are screened and prediction model of CRF urine is established.The markers are identified with the database which provides a more accurate prediction and solid evidence for early diagnosis of CRF.
7.Resurfacing of the donor defect after wrap-around toe transfer using the Y-V vascular pedicle lengthening technique
Qinglin KANG ; Yiming CHAI ; Yujie CHEN ; Hao SHEN ; Wenqi SONG ; Pei HAN ; Bingfang ZENG
Chinese Journal of Microsurgery 2010;33(1):15-18,92
Objective To explore the methods of Y-V vascular pedicle lengthening technique for cover-age of the defect of great toe after wrap-around flap transfer, and decrease the morbidity of donor site in great toes. Methods Fifteen patients received three kinds of flap for immediate resurfacing of donor defect of the great toes during wrap-around flap transfer, all flaps were harvested with Y-V vascular pedicle lengthening technique. Among them, 9 cases received the free lateral tarsal flaps transplantation for coverage of defect in donor great toes, 5 cases was repaired by medial tarsal flaps, and only one was treated by the medial plantar flap. Results All the flaps survived postoperatively. The medial plantar flap encountered the venous crisis in postoperative 3 days, and regained the normal blood supply after continuous bleeding for 2 days. All patients were satisfied with cosmetic and functional outcome in average 10- month follow-up. The appearance and sensory function of donor toe repaired by medial tarsal flaps was best among three ones. Conclusion Depending on the Y-V vascular pedicle lengthening technique, the local pedical flaps of foots are enlarged scope for coverage of great toe after wrap-around flap harvest, which can decrease the complication of donor site at the most.
8.Clinical Evaluation on Patients with Bronchial Asthma in Remission Based on Four Diagnostic Information
Xueliang LI ; Zhaoxia XU ; Yiqin WANG ; Rui GUO ; Yiming HAO ; Zhao LEI ; Jin XU
World Science and Technology-Modernization of Traditional Chinese Medicine 2014;(6):1294-1299
This study was aimed to observe bronchial asthma patients in remission after treatment of traditional Chi-nese medicine(TCM) with four diagnostic information, syndrome differentiation and changes oflung function indicators, in order to explore the efficacy evaluation with TCM characteristics. TCM tongue manifestation instrument, TCM in-quiry scale, pulse-taking instrument, acoustic diagnostic information collection system, and spirometer were used in thecollection of 33 bronchial asthma cases in remission before and after treatment (1~5 months) basedon four diagnos-tic information and lung function indexes. Single-factor analysis of variance and other methods were used in the analysis of four diagnostic parameters and lung function indexes before and after treatment. The results showed that after TCM treatment, there were significant changes on indexes such as facial complexion, tongue sub-region color, color of tongue coating and other parameters. There was significant difference in the acoustic parameters before and after treatment. After TCM treatment, the frequency of lung system symptom such as nasal obstruction was decreased. There was no significant difference on changes of pulse-taking indexes among asthma patients before and after treat-ment. After treatment, the FEV1.0% of asthma patients was increased,whichindicated that asthma ventilatory function had been improved to some extent. It was concluded that TCM objective test provide an effective basis for the diag-nosis of bronchial asthma on aspects such as TCM syndrome, disease change observation and clinical evaluation.
9.Analysis on Facial Characteristics of 510 Patients with Five Zang-organs Diseases of TCM Complexion
Jin XU ; Weifei XU ; Zhaoxia XU ; Xueping LI ; Qianqian SHANG ; Taihao HUANG ; Yiming HAO ; Yiqin WANG
Chinese Journal of Information on Traditional Chinese Medicine 2017;24(5):17-21
Objective To explore facial characteristics of patients with different organ diseases; To provide some references for objective study on TCM inspection information. Methods Smart TCM-I type Life Information Analysis Systems was used to detect facial characteristics of 510 patients with five zang-organs diseases. 36 specific quantitative parameters including red ?, green (G), blue (B) and hue (H), saturation (S), value (V) of the face, forehead, eyes, cheeks, nose and chin were collected, and the Kruskal M-Wallis H and Nemenyi test were used for statistical analysis. Results Among the 510 patients with five zang-organs diseases, 96 patients belonged to lung system diseases, 105 heart system diseases, 101 liver system diseases, 107 spleen and stomach system diseases and 101 kidney system diseases. There was statistical significance in R, G, B, H, S, and V in forehead, eyes, cheeks and nose. Conclusion Facial characteristics can provide objective references for the facial division of five zang-organs diseases.
10.The humoral immune response in guinea pigs primed with recombinant vaccinia virus strains ex-pressing Transmitted/Founder virus HIV-1 membrane proteins and boosted with gp140 protein
Meng LI ; Chang LIU ; Li REN ; Yanling HAO ; Ying LIU ; Yiming SHAO ; Shuhui WANG
Chinese Journal of Microbiology and Immunology 2015;(3):173-178
Objective To analyze the antibody responses in guinea pigs vaccinated with recombi-nant vaccinia virus( rTT) strains expressing transmitted/founder ( T/F) HIV-1 membrane proteins in combi-nation with gp140 protein.Methods Guinea pigs were primed with rTT strains and boosted twice with gp140 protein in every four weeks.Serum samples were collected from guinea pigs before immunization and in 2, 6 and 10 weeks after the last immunization for the detection of HIV-1-specific binding antibodies, neu-tralizingantibodiesandtherelativeavidityofantibodies.Results (1)Thebindingantibodiesspecificto HIV-1 B′/C, B, AE subtypes were efficiently induced by the immunization of rTT-B, rTT-C and rTT-CON vaccinia strains in combination with gp140 protein.The antibody titers ranged from 111 430 to 1 024 000. More antibodies against HIV-1 B′/C and AE subtypes were induced in guinea pigs by the immunization of rTT-C and rTT-CON strains in combination with gp140 protein than those by using rTT-B strain prime-protein boost strategy (P<0.05).No significant differences with the titers of HIV-1 B subtype specific antibody were observed among the guinea pigs immunized with the three strategies.( 2 ) High titers of SF162 and ZM109 neutralizing antibodies were induced in guinea pigs immunized with rTT-B, rTT-C and rTT-CON vac-cinia strains in combination with gp140 protein, ranging from 83.76 to 649.30.No significant differences were found among the three groups.(3) The HIV-1 V1V2-gp70 specific antibodies associated with protec-tive immunity were induced by immunization of the three virus prime-protein boost strategies.No significant differences were observed among them.(4) Antibodies induced in guinea pigs by immunization of the three strategies showed strong affinity to membrane proteins of HIV-1 B′/C, B, AE subtype strains.No significant differences were found among the three immunization strategies.Conclusion A strong humoral immune re-sponse was induced in guinea pigs primed with recombinant vaccinia virus strains expressing T/F virus HIV-1 membrane proteins and boosted with gp140 protein.