AIM: To study the inhibitiory effects of Fuerkang Injection (sweet worm wood oil, glycyrrhetate and Vitamin A acetate). and its ingredients on SMMC-7721 and NB4 cell lines, in order to understand its antitumour spectrum and reasonability of its composition. METHODS: SMMC-7721 and NB4 cell lines were treated with Fuerkang Injection and its ingredients under the same concentration for 48 h, adfiamycin was used as standard com-parison,inhibitiory effect on growth of two cell lines was detected by MTT method. RESULTS: At 1.260 μg/mL, the inhibition rate of Fuerkang Injection and its decomposed recipes preparations 1,2,3 to SMMC-7721 cell lines were 54.78%, 55.49%, 53.18%, 53.79%, hemi-inhibitory concentration IC_(50) were 0.415,0.376,0.715 and 0.636 μg/mL,respectively. The inhibition rate of NB4 cell lines were 88.6% ,82.5% ,77.9% and 76.9% ,hemi-inhibitory concentration IC_(50) were 0.091,0.108 1,0.084 and 0.120 μg/mL. CONCLUSION: Fuerkang Injection and its ingredients have significant inhibitory action on SMMC-7721 and NB4 cell lines,each component herb in the compound preparation has synergetic effects.

AIM: To study the inhibitiory effects of Fuerkang Injection (sweet worm wood oil,glycyrrhetate and Vitamin A acetate) and its ingredients on SMMC-7721 and NB4 cell lines,in order to understand its antitumour spectrum and reasonability of its composition. METHODS: SMMC-7721 and NB4 cell lines were treated with Fuerkang Injection and its ingredients under the same concentration for 48 h,adriamycin was used as standard comparison,inhibitiory effect on growth of two cell lines was detected by MTT method. RESULTS: At 1.260 ?g/mL,the inhibition rate of Fuerkang Injection and its decomposed recipes preparations 1,2,3 to SMMC-7721 cell lines were 54.78%,55.49%,53.18%,53.79%,hemi-inhibitory concentration IC_50 were 0.415,0.376,0.715 and 0.636 ?g/mL,respectively.The inhibition rate of NB4 cell lines were 88.6%,82.5%,77.9% and 76.9%,hemi-inhibitory concentration IC_50 were 0.091,0.108 1,0.084 and 0.120 ?g/mL. CONCLUSION: Fuerkang Injection and its ingredients have significant inhibitory action on SMMC-7721 and NB4 cell lines,each component herb in the compound preparation has synergetic effects.

This study aimed to investigate the immune adjuvant effect and mechanism induced by chitosan nanoparticles carrying pJME/GM-CSF. In this study, plasmid DNA (pJME/GM-CSF) was encapsulated in chitosan to prepare chitosan-pJME/GM-CSF nanoparticles using a complex coacervation process. Immunohistochemistry was used to detect the type of infiltrating cells at the site of intramuscular injection. The phenotype and functional changes of splenic DCs were measured by flow cytometry after different immunogens were injected intramuscularly. The killing activity of CTLs was assessed using the lactate dehydrogenase (LDH) release assay. The preparation of chitosan-pJME/GM-CSF nanoparticles matched the expected theoretical results. Our results also found that, after pJME/GM-CSF injection, the incoming cells were a mixture of macrophages, neutrophils, and immature DCs. Meanwhile, pJME/GM-CSF increased the expression of MHC class II molecules on splenic DCs, and enhanced their Ag capture and presentation functions. Cell-mediated immunity was induced by the vaccine. Furthermore, chitosan-pJME/GM-CSF nanoparticles outperformed the administration of standard pJME/GM-CSF in terms of DC recruitment, antigen processing and presentation, and vaccine enhancement. These findings reveal that chitosan could be used as delivery vector for DNA vaccine intramuscular immunizations, and enhance pJME/GM-CSF-induced cellular immune responses.
Adjuvants, Immunologic ; administration & dosage ; Animals ; Chitosan ; administration & dosage ; immunology ; Dendritic Cells ; immunology ; virology ; Encephalitis Virus, Japanese ; genetics ; immunology ; Encephalitis, Japanese ; immunology ; prevention & control ; virology ; Female ; Granulocyte-Macrophage Colony-Stimulating Factor ; administration & dosage ; genetics ; immunology ; Humans ; Immunity, Cellular ; Japanese Encephalitis Vaccines ; administration & dosage ; genetics ; immunology ; Mice ; Mice, Inbred BALB C ; Nanoparticles ; administration & dosage ; Spleen ; immunology ; T-Lymphocytes, Cytotoxic ; immunology ; virology ; Vaccines, DNA ; administration & dosage ; genetics ; immunology

Objective To track superparamagnetic iron oxide (SPIO)-labeled pancreatic islet cells in rats using 3.0T magnetic resonance imaging (MRI), and to detect the survival and rejection of grafts after transplantation. Methods Twenty male Wistar rats and 5 male Lewis rats were included in the study. SPIO-labeled pancreatic islet cells were tracked using a GE 3.0T Signa Excite MRI scanner with an animal coil. The images of SPIO-labeled islet cells in rats after transplantation were compared with those of the unlabeled ones. FSE T2WI sequence and GRE T2*WI sequence were used for the detection. The sensitivity of images for detection of grafts was also compared. SPIO-labeled pancreatic islet cells isolated from Wistar and Lewis rats were transplanted into the liver of Wistar rats. Afterwards, the survival and rejection of islet cells were observed sequentially in these two growps. The rats in the syngeneic group were sacrificed 3 months post-transplantation, while the rats in the allogeneic group were sacrificed 3 weeks post-transplantation. MRI of the grafts were correlated with the pathological results. Results SPIO-labeled pancreatic islet cells were seen on MRI as distinct homogenous, hypointense spots in the liver. GRE T2*WI were more sensitive to the detection of SPIO-labeled islet cells than FSE T2WI. The relative count of hypointense spots in the syngeneic group were (90.03±9.52)%, (92.87±18.21)% and (86.25±24.81)%, respectively at 1 week, 2 weeks and 3 weeks after transplantation, while the relative count in the allogeneic group were (41.40±15.41)%, (33.41±14.01)% and (23.58±16.78)%, respectively. The difference between these counts was statistically significant (P<0.01). Iron particles were detected only in the SPIO-labeled cells. Three months post-transplantation, the grafts were found well-preserved in the liver of the rats of the syngeneic group, while only a few grafts were found in that of the allogeneic group. Conclusions MRI can be used to track SPIO-labeled islet cells in vivo, and has significant value in detecting the survival and rejection of grafts after transplantation in rats.

Objective To investigate the impacts of mecobalamin on plasma inflammatory factors (plasma high-sensitivity C-reactive protein (Hs-CRP) and carotid artery plaques in patients with H type hypertension.Methods Forty-eight acute ischemic stroke patients who were diagnosed with H type hypertension in the People's Hospital of Taixing were collected,and they were randomly divided them into treatment group and control group,and 24 cases of each group.Patients in both groups were given conventional therapies,including treatment of anti platelet aggregation,plaque stability and reduced plaque treatment.While patients in the treatment group were given additional oral drug of mecobalamin,500 μg each time,three times a day,6 months in all.Each case was evaluated at the second day of hospitalization,four weeks later,eight weeks later,three months and sixth months later.The examination items involved included level of plasma homocysteine(Hcy),level of hsCRP and conditions of carotid artery plaques under ultrasonography.Results Aafter four weeks,eight weeks,three months and sixth months therapy,there were significant differences between treatment group and control group in terms of Hcy (t =4.049,3.896,6.052,6.159 ; P ＜ 0.05) and the level of hs-CRP (t =37.249,28.376,26.454,0.522P ＜ 0.01).Afrter three months and sixth months therapy,compared to the control group,the carotid artery plaques were obviously reduced,and the differences were statistically significant (t =2.309,2.434 ; P ＜ 0.05).Conclusion Mecobalamin can reduce the level of plasma homocysteine,then lead to reductions of levels of plasma inflammatory factors and volume of carotid artery plaques.

OBJECTIVE： To study the pharmacokinetics and relative bioavalability of omeprazole capsules in humans.METHODS： 18 male healthy volunteers orally took domestic omeprazole capsules and losec capsulles(used as control)40mg respectively.Blood concentrations of drugs were determined by HPLC.RESULTS： Times to reach the peak levels of omeprazole and losec were （2.10± 0.64） h and （1.88± 0.70） h， the peak plasma concentrations were （895.64± 553.07） ng/ml and （974.67± 554.93） ng/ml and the areas under the drug concentration curves were （1 971.88± 1 220.98 ） ng/（h· ml） and （2 057.60± 1 306.32） ng/（h· ml） respectively.CONCLUSION： The two capsules have the same bioequivalence.

OBJECTIVE:To study the pharmacodynamic effects of Yemazhui METHODS:Experiments were carried out with conventional cough and asthma models of mouse or guineapig and in vitro antibacterial test RESULTS:Intragastric administration of extracts of Yemazhui to mice,in dosages of 45 1g herb/kg,22 6g herb/kg and 11 3g herb/kg,could exert obvious antitussive,expectorant and antiasthmatic effects and the extract could inhibit common pathogenic bacteria CONCLUSI_ON:Extract of Yemazhui has antitussive,antiasthmatic and expectorant actions

OBJECTIVE: To study the bioequivalence of Bei Shi metformin hydrochloride(METBS) and Bo Lai metformin hyddrochloride tablets(METBL) in healthy volunteers.METHODS: A single oral dose of 1 OOOmg METBS and METBL were given to 20 healthy volunteers in an open randomized crossover study.Drug concentrations in serum were determined by HPLC.The pharmacokinetic parameters were calculated and analysed by 3p97 program with a statistic analysis of ANOVA, two-one-side t - test and confidence zone of (la-2a)% .RESULTS: The Tmax, Cmax and AUC(10-24) of METBS tables and METBL tables were (2.42 + 1.03) h and (2.50+1.08) h, (2.22+0.69) ug/ml and (2.1210.47) ug/ml, (16.491 5.70) mg/ (h . L) and (16.98 + 6.38) mg/ (h . L), respectively.There were no significant differences between the two formulations in the Tmax, Cmax and AUC (0-24).CONCLUSION: The mean relative bioavailability of METBS tables was(98.29 + 11.98) % compared with METBL tables.The RESULTS: suggest that two products are bioequivalent.

Objective To determine levels of nuclear factor (NF)-κB, interleukin (IL)-10, and visfatin in adipocytes treated by different degrees of intermittent hypoxia (IH), and to investigate the mechanism of IH leading to insulin resistance (IR). Methods The cell model of intermittent hypoxia/re-oxygenation (IH/ROX) in obstructive sleep apnea (OSA) was established. Differentiation mature 3T3-L1 adipocytes, were randomly divided into 10 groups including four different-frequency intermittent hypoxia groups(IH1-4, fixed intermittent hypoxia scheme for 1.5%O2 45 s and then re-oxygen 21%O2 for 2 min 15 s, 4 min 15 s, 5 min 45 s and 8 min 45 s, 60 times circulation), and their normal oxygen control groups (SC1-4, instead each IH group 1.5%O2 to 21%O2, the rest groups were treated as same as IH group), continuous hypoxia group (CH, 10%O2 for 6 h) and normal oxygen control group (CC, 21%O2 for 6 h). ELISA method was used to determine the levels of IL-10 and visfatin in the supematant of adipocytes. Western blot method was used to determine the protein levels of NF-κB p65 and visfatin. Real-time PCR method was used to determine the mRNA levels of IL-10 and visfatin. Results The protein and mRNA expressions of IL-10 were significantly lower in IH group and CH group than those of control groups (P<0.01). The levels of NF-κB p65 protein were significantly increased in IH group and CH group than those of control group. The protein and mRNA expressions of visfatin were significantly higher in IH1, IH2 and CH groups than those of control group (P<0.01). Conclusion As a prominent feature of OSA pathophysiology, IH may take part in insulin resistance of OSA patients by abnormally secreting NF-κB, IL-10 and visfatin in adipocytes.

AIM: To study the pharmacokinetics of ligustilide in the volatile oil from Angelica Sinensis(Oliv.) Diels in the rabbit. METHODS: HPLC method for ligustilide determination in the blood was developed.The HPLC system consisted of C_(18) column using MeOH-H_2O(65∶35,v/v) as mobile phase at a flow rate of 1.0 mL/min and UV detection at 236 nm. RESULTS: Linear calibration curves were obtained over the concentration range of 0.40 ?g?mL~(-1)～10.00 ?g?mL~(-1) for ligustilide.The minimum limit detection was 0.40 ?g?mL~(-1).The recovery of ligusitilide in blood was 90.90% with RSD 2.74%. CONCLUSION: After oral administration of volatile oil,intracorporal process of ligustilide in rabbit accords with 2-compartment model with 1 st order absorption,(2.6638) h and 108.88 h are obtained as t_(1/2?) and t_(1/2?) respectively.