1.Optimization on the Formulation Technology of Paeonol-?-cyclodextrin Inclusion Compound
China Pharmacy 2007;0(25):-
OBJECTIVE:To optimize the formulation technology of paeonol-?-cyclodextrin inclusion compound. METHODS: The formulation technology of paeonol-?-cyclodextrin inclusion compound was optimized by performing orthogonal experiment with the amount of ?-cyclodextrin,the solid-liquid ratio (ratio of ?-cyclodextrin to paeonol alcohol solution),the concentration of the envelop liquid (alcohol) as factors and the ultrasonic time was studied by single factor test and with the utilization ratio and entrapment efficiency of paeonol as indexes for evaluation. Meanwhile,a verification test was performed. RESULTS: The optimal formulation technology was as follows: the amount of ?-cyclodextrin was 8 g;the solid-liquid ratio was 1∶3;the concentration of the alcohol was 40% and the ultrasounding time was 40 min. The verification test revealed that the labeled contents were about 90% for all samples (4 batches). CONCLUSION: The optimized formulation technology is simple and reasonable,and it is applicable for the preparation of paeonol-?-cyclodextrin inclusion compound.
2.Optimization of the Formulation of Paeonol-SPE_7-?-CD Inclusion Complex Tablets
Buhua DENG ; Rongfa ZHANG ; Zongfa YANG
China Pharmacy 2007;0(28):-
OBJECTIVE:To optimize the formulation of paeonol-SPE7-?-CD inclusion complex tablets.METHODS:The formulation was optimized by orthogonal test with dissolution rate serves as index and the amount of adhesive(10% starch paste),disintegrant(dry starch)and lubricant(magnesium stearate)served as major factors,meanwhile a verification test was conducted.RESULTS:The optimum formulation of paeonol-SPE7-?-CD inclusion complex tablets was as follows:paeonol-SPE7-?-CD 106.2 g,lactose 48.7 g,10% starch paste 3.0 g,dry starch 6.0 g,and magnesium stearate 0.1g.The mean dissolution rate was 95.56% for three batches of samples prepared under the above condition.CONCLUSION:The optimized formulation is ideal and feasible.
3.Study on Correlation Between C_4 Decrease and Renal and Hematologic Activity Increased in Patients with Systemic Lupus Erythematosus
Qingyong YANG ; Zongfa WANG ; Yuanxing LIAO ; Al AT
Journal of Chinese Physician 2001;0(05):-
Objective To determine the degree of C 4 changes at precede or coincide with changes in systemic lupus erythematosus (SLE) activity by 5 global activity indices(PGA, M-SLEDAI, M-LAI, SLAM, and M-BILAG), and to evaluate the correlation between changes in C 4 levels and SLE activity in individual organ systems.Methods 53 lupus patients were observed monthly for 1 year in a longitudinal study. Lupus disease activity rate and complement levels were measured at each visit. Disease activity rates were calculated for subgroups defined by previous or concurrent changes in C 4 levels. Logistic regression models were used to determine the significance of the correlation between recent changes in complement levels and disease activity, and between changes in C 4 levels and SLE activity increased in specific organ systems.Results Lupus disease activity occurred at 12%,25%,13% and 12% respectively on PGA,M-SLEDAI,M-LAI,SLAM and M-BILAG. Disease activity by the M-LAI were more frequent when there was a concurrent decrease in C 4. Higher disease activity rates by the SLAM were correlated with previous increases in C 4. Decreases in C 4 were correlated with a concurrent increase in renal disease activity,or related to a concurrent decrease in the hematocrit levels and platelet count.Conclusions Reducing serum in C 4 levels were not consistently correlated with SLE disease activity, decrease in C 4 was correlated with a concurrent increases in renal and hematologic SLE activity.
4.Study on Effect on TCR/CD_3 Complex-mediated [Ca~(++)]i Responses in T Cells From Patients With SLE by Thapsigargin and EGTA
Qinyong YANG ; Yuanxing LIAO ; Zongfa WANG
Journal of Chinese Physician 2001;0(06):-
Objective To demonstrate that SLE T cells primary function disordor was related to abnormal [Ca 2+ ]i responses,and to investigate the reason of abnormal [Ca 2+ ]i responses.Methods After cross-linking of anti-CD 3 mAb to sheep anti-mouse IgG and stimulating T cells,the changes of free calciumion [Ca 2+ ]i within T cells under interference of Thapsigarain and EGTA was observed respectively successively for 10 minutes by an adhesion cytometry.The relation between [Ca 2+ ]i responses in SLE T cells and InsP 3 levels was evaluated .Results The basic [Ca 2+ ]i response in T cells from SLE patients was similar to that from normal control(P=0 105),peak and plateau [Ca 2+ ]i responses were significantly higher in the group of SLE patients(P
5.TCR/CD3 complex-mediated signal transduction in T cells from patients with systemic lupus erythematosus
Qingyong YANG ; Yuanxing LIAO ; Zongfa WANG ; Huilan YANG ;
Chinese Journal of Rheumatology 2002;0(03):-
Objective To investigate whether systemic lupus erythematosus (SLE) T cell function disorder is related to abnormal biochemical pathways.Methods After cross linking of anti CD3 mAbs to sheep anti mouse IgG and stimulating T cells,the changes of free calcium ion within T cells and these changes under interference of Thapsigargin and EGTA were observed respectively for 10 minutes with an adhesion cytometry.The relation between [Ca 2+ ]i response in SLE T cells and expression of CD3 molecules,or InsP 3 levels was evaluated.Results The base [Ca 2+ ]i response in T cells of SLE patients was similar to that of normal control ( P =0 105).Peak and plateau [Ca 2+ ]i responses were significantly higher in the group of SLE patients ( P
6.A preliminary exploration of the evaluation standard and the problems for graduation thesis in higher vocational college students of pharmaceutical majors
Yanchuan QIU ; Lijia WEI ; Zongfa YANG ; Ling ZHONG ; Jing HE
Chinese Journal of Medical Education Research 2015;(1):26-29
The writing of vocational college thesis is the maln way to test whether the students are able to analyze and solve practical problems with the professional knowledge and skills they've learnt, as well as improve the capability of production and practice. This paper analyzes the present situation of the thesis written by higher vocational college students majoring in pharmaceutical sci-ences, and figures out the four kinds of evaluation standards about graduation thesis for students in various pharmaceutical fields with different problems. The four kinds of evaluation standards includes key point analysis on Standard Operation Procedure (SOP), planning strategy for pharmaceutical mar-keting, investigation of rational use of drugs in hospitals and subject research. The author puts forward the solving method for the problem, and formulate the evaluation requirements.
7.Identification of recombinant intermediates of hepatitis B virus between genotype B and C in vitro
Junyi CHEN ; Ailong HUANG ; Li XU ; Dianquan CHEN ; Hong YU ; Zhaojing ZHU ; Zuchun HUANG ; Zongfa YANG ; Lishu CHEN ; Tao TAN
Journal of Central South University(Medical Sciences) 2011;36(2):101-108
Objective To detect the recombinant intermediates of hepatitis B virus (HBV) between genotype B and C in vitro. Methods Vector Plenti6/V5-D-topo-X was genetically modified by genotype B and C to transfect HepG2 cells. Then the HepG2 cells were amplified and sequence of the nucleic acid after the transinfection was tested and compared with RDP3Beta40 software package and bootscanning procedure in SimPlot program package. Results Three recombinant intermediates of HBV between genotype B and C were identified in vitro. Genotype C in the precore region plus the core gene spanning nucleotide positions from 1740-1838 to 2443-2485 contributed to the recombination with genotype B. Isolate R1 recombinant intermediate had 2 break points at nt2170-2172 and nt2188-2189. Nucleic acid changed from CAC to TGT and from GA to AC, respectively. Isolate R2 recombinant intermediate had a break point at nt1740-1 838, and 3 bases changed in different nucleic acid sites: from A to T at nt1740, from C to T at nt1753, and from G to A at nt1838, respectively. Isolate R3 recombinant intermediate had a break point at nt2443-2483, and 4 bases changed in different nucleic acid sites: from C to T at nt2443, from A to G at nt2452, from T to C at nt2480, and from C to T at nt2483, respectively. Conclusion The recombinant intermediates of HBV between genotype B and C have been detected in vitro and the changes have been identified in the precore region plus the core gene in genotype B and C.