Objective:To develop a method of quantitative analysis of multi-components by single marker ( QAMS) for 4 kinds of saponins in spina date seed.Methods:Using jujuboside A as a reference, an HPLC method with a Kromasil C18 column (250 mm × 4.6 mm, 5 μm) was applied, the mobile phase was acetonitrile-0.1% phosphoric acid (30 ∶70), the flow rate was 1.0 ml · min-1 , the detection wavelength was 280 nm, the column temperature was 32℃and the injection volume was 20μl.The relative cor-rection factors among the four kinds of saponins were detected by QAMS .An external standard method was also used to determine the contents of the four saponins ( Wf ) , and the results were compared with those of QAMS ( Ws ) , and then the relative errors were calcu-lated between W f and Ws to evaluate the accuracy of QAMS , and the reproducibility was investigated as well .Results:The established QAMS was used to determine the four kinds of saponins in spina date seed , and totally 14 batches of spina date seed were determined . No significant differences were found out between the calculated values and the determined ones ( RSD<5%) .Conclusion:The vali-dated HPLC method shows the advantages of precision ,reproducibility and reliability .The established QAMS method is feasible , and suitable for the quality control of saponins in spina date seed .

Objective To test the effect of EPO on anemia of preterm infant. Methods Thirty preterm infants less than 35 weeks of gestational age from three different hospitals were devided ramdomly into EPO group of 16 cases and control group of 14 cases. The infants in EPO group were received rh EPO 400 IU/(kg?d) subcutaneously twice a week for 4 weeks from 7 days old, together with oral supplementation of ferrous sulfate at a dossage of 3~5 mg/(kg?d) in both groups. Hemoglobin(Hb) and reticulocytes(Ret) were measured at 42 days of age. Results The hemoglobin was higherin the EPO group[(999?29)g/L vs (905?25)]g/L, P 0.05). Conclusion The is lower EPO level in prematures and efficiency of rh EPO in the treatment of anemia of preterm infants. There is no observed substantial adverse effects.

Objective: To develop a GC-MS method for the simultaneous determination of six active constituents ( borneol, isoborneol, cinnamaldehyde, cinnamic acid, muscone and benzyl benzoate) in Shexiang Baoxin pills. Methods: A gas chromatogra-phy-mass spectrography (GC-MS) method was adopted using a DB-5 capillary column (30 m × 0. 25 mm,0. 1 μm). The column tem-perature was raised as the following program:the initial temperature was 70℃, maintained for 2 min, raised the temperature (5℃· min-1) to 150℃, maintained for 4 min and then raised the temperature (20℃·min-1) to 260℃, and maintained for 3 min. The range of mass-to-electric charge ratio was 10 to 425. Results:The calibration curves of borneol, isoborneol, cinnamaldehyde, cinnam-ic acid, muscone and benzyl benzoate were linear within the range of 0.022-22.000 μg·ml-1(r=0.999 6),0.024-24.000 μg· ml-1(r=0.999 6),0.028-28.000μg·ml-1(r=0.999 8),0.034-34.000μg·ml-1(r=0.999 6),0.040-40.000μg·ml-1(r=0.999 7) and 0.050-50. 000 μg·ml-1 (r =0.999 9), respectively. The average recovery was 97.20%, 97.40%, 97.53%, 99. 60%, 98. 78% and 98. 27% and RSD was 0. 89%, 1. 18%, 1. 52%, 1. 49%, 0. 79% and 1. 74%(n=6), respectively. Con-clusion:The method is accurate, suitable, convenient and reproducible, which can be used for the quality control of multi components in Shexiang Baoxin pills.

Objective To explore the effects and the mechanism of manumycin on KAT-18 cells Methods Human ATC (anaplastic thyroid cancer) KAT-18 cells were used. The cytotoxicity was analyzed by SRB assay. Apoptosis and cellular nitric oxide were detected by flow cytometry using annexin v and NO sensor dye. Superoxide anion was measured with a fluorescent plate reader by DHE.GSH was assayed by fluorescent Monochlorobimane. The SOD activities were assayed by colorimetric methods. The protein expression of Mn-SOD was determined by western blot. Results Manumycin decreased the viability of KAT-18 cells in a dose-dependent manner. Manumycin induced apoptosis significantly and NO generation simultaneously. Manumycin also induced superoxide anions generation. Manumycin reduced intracellular GSH in a time-course manner. However , manumycin did not decrease the SOD activity after 6 h treatment and Mn-SOD expression. A delayed induction of SOD activity was observed after 24 h manumycin treatment. N-acetyl-L-cysteine blocked NO and superoxide anions generation and apoptosis induction by Manumycin. Furthermore , NAC protected KAT-18 cells from the cytotoxicity of manumycin. Conclusion Manumycin induces apoptosis and has cytotoxic effects on KAT-18 cells. Cellular NO and superoxide anions generation are required for Manumycin-induced apoptosis in KAT-18 cells.

ABSTRACT:To understand the species distribution of nontuberculous mycobacteria (NTM ) in Fujian Province of China , we collected clinical Mycobacterium isolates in the Fuzhou Pulmonary Hospital from 2009 to 2012 .A total of 6 362 clinical My‐cobacteria isolates were identified as 5 713 (89 .8% ) M .tuberculosis complex and 649 (10 .2% ) NTM strains by conventional identification method .Then ,by means of hsp65‐and rpoB‐PCR‐RFLP methods ,649 NTM strains were identified as 24 spe‐cies or complex of NTM ,in which the top three species or complex with the highest occurrence frequency were M .intracellular , M .avium and M .abscessus ,accounting for 48 .5% ,21 .3% and 12 .5% respectively .The prevalence rate of NTM was 10 .2%among Mycobacterium culture‐positive patients .There are lots of NTM species infecting human being ,and the most prevalence NTM species was M .avium complex accounting for 67 .8% in Fujian Province .

Objective To study liquid based cytology test and its application values in the detection of fiber bronchoscopic aspi‐rates .Methods LBP sedimentation type of ThinPrep cell production system combined with the conventional smear were used to de‐tect 2000 specimens of fiber bronchoscopic aspirates ,and conduct microscope observation and cytological diagnosis .Results Based on liquid based cytology cell production method ,there were 614 positive cases (30 .7% ) ,267 cases of squamous cell carcinoma (13 .4% ) ,and 217 cases of adenocarcinoma(10 .9% ) ,83 cases of small cell carcinoma (4 .2% ) ,and 47 cases of undifferentiated car‐cinoma (2 .4% ) .The diagnostic sensitivity for lung cancer of liquid‐based cytology test was 64 .6% and conventional smear was 49 .2% .We also found 7 cases of fungus positive ,35 cases of typical caseous necrosis with liquid based cytology test .Conclusion The ThinPrep cell production has a more clean background ,more intact cell structure ,more efficient observation and increased posi‐tive rate of detection of cancer cells than the smears made by traditional methods .A combination of two methods can increase the accuracy of cytological detection of fiber bronchoscope aspirates and positive detection rate ,and also can assist the diagnosis of fungi and TB infections .

Objective To assess the value of 16-slice spiral CT perfusion in the diagnosis of hyperacute cerebral infarction.Methods Routine and perfusion CT of brain were performed in 20 cases suspected with hyperacute cerebral stroke within 6 hours of symptom onset,the images of plain scan,rCBV,rCBF,MTT and TTP were observed and evaluated. All cases were followed-up with CT after one week.Results Ischemic lesions were found in routine CT in 5 cases,15 cases had negative results at routine CT, and ischemic lesions were showed in all of them by perfusion CT images.rCBV,rCBF distinctly decreased, MTT and TTP obviously prolonged in infarction area,and rCBF decreased, MTT and TTP prolonged and rCBV was normal or up lightly in the penumbra area. The infarction lesions were detected in 15 cases by follow-up CT.Conclusion 16-slice spiral CT perfusion in diagnosis of hyperacute cerebral infarction may be a valuable tool in predicting clinical prognosis.

Objective To evaluate the clinical features of and appropriate surgical modality for congenital choledochal cyst(CCC). Methods Retrospective study on the clinical data of 85 surgically treated CCC cases was made. Results Among the 85 cases 12 were found malignant in character(14%). Out of the 29 cases in which the junction of pancreaticobiliary ductal system was showed by image, junction anomaly was identified in 26 cases. Surgical correction was applied to 83 cases with cyst excision and Roux-en-Y hepaticojejunostomy as the main procedure. External drainage of the CCC was adopted first in 4 cases to tide the patients over serious infection, before second stage definite radical resection was carried out. Excellent and good result were achieved on follow-up in 47 out of 60 CCC cases undergoing CCC resection and Roux-en-Y reconstruction, while only one out of 6 undergoing CCC internal drainage enjoyed fair result. Conclusions External drainage is mandatory for CCC patients with severe infection. The total choledochal cyst excision, with Roux-en-Y hepaticojejunstomy is effective in the treatment of CCC.

Objective To observe the effects of modified Yigong Powder (MYP) combined with chemotherapy on transplanted hepatocarcinoma of mice and to study its mechanisms. Methods Hepatocarcinoma 22 mouse model was established and then was used to observe the attenuating and synergic effects of MYP when applied together with 5-fluorouracil (5-FU). After 8 days of treatment,the tumor-inhibiting rate,activity of natural killer (NK)cells and interleukin-2 (IL-2) and small intestinal malondialdehyde (MDA) content were examined. Results MYP combined with 5-FU could increased the tumor-inhibiting rate to some extent and improve the immune function by increasing immune organ weight and increasing the activity of NK cells and IL-2. MYP combined with 5-FU could also reduce the 5-FU-induced intestinal injuries by relieving the damage of free radicals and inhibiting the lipid peroxidation and a good prognosis was expected in tumor-bearing animals treated with chemotherapy. Conclusion MYP exerts an attenuating and synergic effect when used together with 5-FU in treating tumor-bearing mice and its mechamism may be related to the improvement of immune function and reduction of intestinal injuries.

Objective　To evaluate the prophylactic-therapeutic role of escharectomy during early postburn stage on internal organ dysfunction. Methods　A total of 72 Wistar rats were randomized into 3 groups: burn without escharectomy group (A group), burn with escharectomy during early postburn stage (B group) and normal control. Vascular permeability were measured with 99Tc-labelled albumin. Furthermore, the effect of burn sera on permeability of monolayer of vascular endothelial cell (EC) was observed. Results　Vascular permeability in group B was significantly lower than in group A. When exposed to burn sera, EC monolayer permeability in group B is decreased when compared with group A. Conclusion　Escharectomy during early postburn stage could restore endothelial permeability