1.Notoginseng noside liposomes: preparation and physiological compatibility study
Chinese Traditional Patent Medicine 1992;0(05):-
AIM: To study the preparation and physiological compatibility of pulmonary administration with Saponius of Panax Notoginseng (PNS) liposomes. METHODS: PNS liposomes was prepared by thin film dispersion method. The prefered formulation was determined by factorial design. Ciliary movement in situtoad palate model and the changes of pulmonary edema index and pathology of lungs in rats were investigated to evaluate the physiological compatibility of PNS liposomes. RESULTS: PNS liposomes were proved to be large unilamellar vesicle (LUV) liposomes with spherical shape .The liposomes composed of PC and Ch has a high PNS capture efficiency of 78.5% ?2.15% . The mean vesicle size of liposomes were 1546.5nm ?321.4nm which were quite homogeneous in size distribution. The lasting time of ciliary movement after the rinsing of PNS liposomes was the 92.14% of the effect of PBS buffer. The pulmonary edema index and pathological changes of lung tissue in PNS liposomes group were significantly different from those in PNS solution group and close to those in PBS buffer group. CONCLUSION: PNS liposomes has good physiological compatibility with promising market development and application.
2.Panax notoginseng saponin liposomes:Characterization of pharmaceutics and pharmacokinetics on pulmonary instillation in rats
Chinese Traditional and Herbal Drugs 1994;0(07):-
Object To prepare Panax notoginseng saponin (PNS) liposomes and investigate their characterization of pharmaceutics and pulmonary pharmacokinetics in rats. Methods The film-disperion method was used to prepare PNS liposomes by investigating its form, vesicle size, entrapping efficiency and stability. The study of pulmonary pharmacokinetics in rats was carried out by pulmonary instillation. Results The entrapment of PNS liposomes was 78.50%. The mean vesicle size was 1.5 ?m with uniform externality. The drug leakage from PNS liposomes was slow. Low temperature was required for its storage. The pulmonary pharmacokinetics parameters were as follows: T 1/2 ?=7.00 h, T 1/2 ?=27.72 h, AUC= 2 218.9 ?g?h/mL, the absolute bioavailability was 70.14%. Conclusion PNS liposomes with high entrapment and stability can prolong its circulation in blood and improve the PNS bioavailability via lung approach.
3.The expression of COX-2 VEGF-C and lymph node metastasis in human gastric carcinoma
Xiaoling WANG ; Zhixiang SHEN ; Jieping YU
Chinese Journal of Practical Internal Medicine 2000;0(12):-
Objective This study was designed to investigate the relationship between COX-2 and VEGF-C in human gastric carcinomas and discuss the significance of COX-2、VEGF-C in lymph mode metastasis.Methods Forty-two gastric carcinoma tissues and twenty adjacent noncancerous specimens were obtained from surgical resections.COX-2,VEGF-C protein expression was evaluated by immunohistochemical analysis.Results (1)COX-2 was overexpressed in 25 of 42 carcinoma tissues (59.5%) and VEGF-C was 27 of 42(64.3%),which were significantly higher than those in noncancerous tissues (P0.05).(3)There was positive correlation between the expression of COX-2 and VEGF-C(r=0.425,P
4.A Rapid Method for Preparation of Fungal Chromosome DNA
Xiaoling ZHOU ; Wei SHEN ; Zhiming RAO ; Zhengxiang WANG ; Jian ZHUGE ;
Microbiology 1992;0(04):-
The article introduce a rapid method for preparation of fungal chromosome DNA In this method the quartz sand is used to break the fungal cell wall and the chromosome DNA is harvested rapidly in 1~2 h The method is applied successfully by the author to four kinds of fungi Neurospora crassa , Aspergillus oryzae , Morchella esculcnta , Saccharomyces cervisae All the chromosome DNA extracted has the fragment size lager than 20 kb and can be used directly for either digestion with restriction endoenzyme or PCR
5.Study on Antimicrobial Effectiveness of Zhenzhu Mingmu Eye Drops
Jiate SHEN ; Xuan YI ; Xiaoling XU ; Yang WANG ; Xiang LU
China Pharmacist 2015;(6):894-896
Objective:To evaluate the antimicrobial effectiveness of Zhenzhu Mingmu eye drops according to the requirements de-scribed in Chinese pharmacopoeia (2010 edition). Methods:Totally 7 batches of Zhenzhu Mingmu eye drops from 7 enterprises were evaluated. All the samples were tested according to the requirements described in Chinese pharmacopoeia, and the testing points of 6h and 24h were added. Results:As for bacteria, the reduction value of staphylococcus aureus in 7 days treated with Zhenzhu Mingmu eye drops from enterprise e was 0. 61g, and that in 14 days was 1. 01g. That in 7 days treated with the eye drops from the other enter-prises was all above 1. 01g, that in 14 days was above 3. 01g, and that in 14-28 days kept stable. As for fungi, the number was stable from the beginning with the treatment of the eye drops from the seven enterprises. Conclusion:Although the type and content of bacte-riostatic agent in domastic Zhenzhu Mingmu eye drops are the same, there is difference in the antimicrobial effectiveness of the product from different enterprise. The eye drops from one enterprise can't meet the requirements for type I product described in Chinese pharma-copoeia,and the others meet the requirements.
6.Expression of multi-drug resistance genes in cervical cancer before and after neoadjuvant chemotherapy and its relationship with the effect of chemotherapy
Rong SHEN ; Xiaoling WU ; Ziwen XIAO ; Qizhu ZHANG ; Shu XU
The Journal of Practical Medicine 2015;(20):3327-3330
Objective To explore the impact of preoperative neoadjuvant chemotherapy on the expressions of multi-drug resistance genes in patients with cervical cancer and its relationship with the effect of chemotherapy. Methods Ninety-eight cervical cancer patients with TP regimen selected to perform preoperative chemotherapy were enrolled in the Affiliated Hospital of Guiyang Medical College between January 2010 and June 2014. Immunohistochemisty (En vision method) was used to determine the expressions of P-gP, GST-π and TopoII of the same patients before and after neoadjuvant chemotherapy and explore the relationship with the effect of chemotherapy. Results The positive expression rates of P-gp and GST-π were 71.43% and 64.29% before chemotherapy and 80.61%and 74.49%after chemotherapy, respectively. The former two had significant differences (P<0.01). The positive expression rates of TopoII was 48.98%before chemotherapy and 28.57%after chemotherapy , respectively, showing significant differences (P < 0.01). The expressions of P-gp, GST-π and TopoⅡ gene were not affected by the clinical and pathological features of cervical cancer (P > 0.05). Before neoadjuvant chemotherapy, the positive expression of GST-π in the ineffective group was statistically higher than that in the effective group (P<0.05). The positive expressions of P-gp and Topo II showed no statistical significance between the effective group and the ineffective group (P > 0.05). There was significant correlation in the expressions of P-gp, GST-π and TopoⅡ(P < 0.05) before and after neoadjuvant chemotherapy. Conclusions The expression of P-gp, GST-πand TopoⅡgene may not be affected by the clinical and pathological features of cervical cancer, but may change expressions of multi-drug resistance genes in cervical cancer by neoadjuvant chemotherapy. Monitoring their expression has a guiding significance for drug selection, prognostic judgment, and the following treatment regimen decision. The GST-π, expression level can be used as a biological parameter to predict the effect of TP regimen neoadjuvant chemotherapy.
7.Investigation of TCM Dispensary Allocation in Community Health Centers of Pudong New District in Shanghai
Chunxia XIA ; Xiaoling CHEN ; Yan LIU ; Bin SHEN
Chinese Journal of Information on Traditional Chinese Medicine 2015;22(11):10-12
Objective To understand the current situation of dispensary setting and personnel of community health service centers in Pudong New District in Shanghai (hereinafter referred to as Pudong New District).Methods Questionnaire survey covering the 45 community health service centers in Pudong New District was used.Results 42 community health service centers were equipped with TCM dispensaries among the 45 total units (93.3%);12 of them adopted outsourcing mode (26.7%);the average area of community dispensary was (32.3 ± 17.3)m2;the average number of TCM practitioners was 3.5 ± 2.0 people.Conclusion Community health service centers need to increase the allocation area of TCM dispensary and improve qualification of TCM practitioners.
8.Three-dimensional digital model measurements of the temporomandibular joint
Xiaoling SHEN ; Min LIU ; Haixia HUANG ; Pin WANG
Chinese Journal of Tissue Engineering Research 2016;20(20):2893-2898
BACKGROUND:Guidances for design of Chinese people’s temporomandibular joint prosthesis are urgently needed because foreign prosthesis is unsuitable for Chinese people due to variant anatomy parameters.
OBJECTIVE:To provide a reference for improving the design of artificial temporomandibular joint through computer three-dimensional digital measures of the anatomy parameters of the temporomandibular joint. METHODS:Continuous CT data with layer thick 0.625 mm of 30 normal temporomandibular joints were selected. Three-dimensional digital reconstruction and eight related anatomy parameter measurements of the articular fossaandcondylar of the joints were performed using Mimics10.01 software.
RESULTS AND CONCLUSION:The internal and external diameter of the mandibular fossa, head of mandible and neck of mandible were greater thantheanterior and posteriordiameter. The mandibular foramen was located at middle-posterior of the ramus ofthe mandible. The distance between head of the mandible and coronoid process was longer than the depth of the mandibular notch. There were no
significant differences between two sidesregardingal above-mentioned parameters. There are certain regular patterns in anatomy parameters of the temporomandibular joint. The study results wil provide a reference for improving the design of artificial temporomandibular joint.
9.Clinical application of three-dimensional ultrasonography OmniView technology in the diagnosis of fetal cleft lip/palate
Xiaoling SHEN ; Guorong LYU ; Shufen WU ; Zhihong LU ; Shuping YANG
Chinese Journal of Ultrasonography 2016;25(2):155-158
Objective To evaluate the application value of three‐dimensional ultrasonography OmniView technology in diagnosis of fetal cleft lip/palate . Methods Three‐dimensional volume data was acquired from 100 normal singleton fetuses and 18 cleft lip/palate fetuses ,and was analysed by OmniView technology . Two‐dimensional ultrasonography and three‐dimensional OmniView technology were compared in the displaying rate of different planes of the lip and palate and the diagnosis accordance rate of cleft lip/palate.Results ①ThedisplayingrateofthelipandpalateofOmniViewtechnologywashigherthanthatof two‐dimensional ultrasonography ( the displaying rates were 64% -88% and 30% -65% ,respectively , P <0 .05) . Further more ,the curved plane tiled imaging of palate was successfully reconstructed by OmniView technology ,displaying the nonplanar panorama of the palate . ② There was no significant difference in diagnosis accordance rate of fetal cleft lip/palate between two‐dimensional ultrasonography and OmniView technology( the accordance rate was 89% -94% and 78% -100% ,respectively , P >0 .05) . Conclusions Three‐dimentional ultrasonography OmniView technology can improve the displaying rate of the hard and soft palate .The application of this technology in the fetuses who has a high risk of cleft palate may be beneficial to the diagnosis of cleft palate .
10.Inhibitory effect of cajanonic acid A on lipogenesis and lipolysis in 3 T3-L1 adipocytes
You QIN ; Ruiyi YANG ; Meiguo CHEN ; Xiaoling SHEN ; Yingjie HU
Chinese Pharmacological Bulletin 2016;(2):189-193
Aim To investigate the effects of cajanonic acid A (CAA) on lipid metabolism in murine 3T3-L1 adipocytes. Methods 3T3-L1 cells induced to differ-entiated into mature adipocytes were treated with CAA in different dosages for 48 h, then total lipids as well as triglyceride, free fatty acid and glycerol were meas-ured. The expression levels of genes related to lipid metabolism were quantitatively analyzed by real-time fluorescent quantitative polymearase chain reaction ( RTFQ-PCR) . Results Total lipids and triglyceride in 3T3-L1 adipocytes were markedly reduced by CAA. The release of free fatty acid and glycerol was lower than that of control. This coincided with decreased mRNA levels of the key enzymes involved in de novo lipogenesis ( acetyl CoA carboxylase and fatty acid syn-thase) , fatty acid uptake ( lipoprotein lipase) , and li-polysis ( hormone sensitive lipase and adipose triglycer-ide lipase ) . While the expression of fatty acid oxida-tive genes including acyl CoA oxidase and carnitine palmitoyl transferase1 was increased after CAA treat-ment. Conclusion CAA may inhibit lipogenesis and lipolysis,reduce circulating free fatty acid and improve the lipid metabolism in adipocytes by regulating gene expressions.