1.Effect of marin algae polysaccharide derivant on osteoporotic model of the rats induced retinoic acid
Journal of Xinxiang Medical College 2005;22(4):302-304
Objective To observe the effect of marin algae polysaccharide derivant on the osteoporotic model of the rats. Methods Forty six-month-old female Wistar rats were selected to duplicate the osteoporotic model induced by retinoic acid and performed with marine algae polysaccharide derivant. The rats were randomly divided into two groups: experiment group treated with 10 mg marine algae polysaccharide derivant10mg per day by oral,control group treated with 10 mg glucose per day by oral.The effect of marine algae poly saccharide derivant on osteoporosis were evaluated by morphometry. Results After intake of polysaccharide,the mean trabecular plate density (Tb.N),the mean trabecular plate thickness(Tb.Th),and the percent trabecular area (Tb.Ar%) of t he experiment group, which were treated by polysaccharide were significantly increased more than that of the control group model(P<0.01). Conclusion These results indicate that polysaccharide can increase bone mass and has a therapeutic and preventional effect on the osteoporotic model of the rats induced by retinoic acid.
2.Clinical effect of Angelica injection combine with psychological intervention in treatment of patients with lower limb fracture postoperative analgesia
Yanghua GE ; Si GE ; Zhuyun HU ; Weidong LIANG
Chinese Journal of Biochemical Pharmaceutics 2015;(12):113-114
Objective To observe the clinical effect of Angelica injection combine with psychological intervention in treatment of patients with lower limb fracture postoperative analgesia.Methods 60 cases underwent lower limb fracture surgery from February 2013 to April 2015, and were randomly divided into experimental group and control group, 30 cases in each group.Control group were treated with conventional medicine epidural injection morphine for postoperative analgesia, experimental groups were injected with Angelica injection treatment in control group on the basis of conventional therapy, recorded and analyzed two groups of patients improved postoperative pain scores, postoperative stress and pain after treatment. Results After treatment, 4, 8, 24, 48h pain scores of experimental group were lower than of control group (P<0.05); After 4h, 48h post-operation heart rate and mean arterial blood pressure was better than of control group (P<0.05).Conclusion Effect of conventional western medicine combined with Angelica injection postoperative analgesia is superior to conventional medicine alone , with no obvious side effects.
5.Effects of immunostimulatory CpG ODN on experimental allergic conjunctivitis caused by aspergillus fumigatus
Si-yuan, LI ; Ge, ZHAO ; Chang-you, LI ; Ling-ling, YANG ; Hao, CHEN ; Yi-qiang, WANG
Chinese Journal of Experimental Ophthalmology 2011;29(4):308-313
Background Researches demonstrated that CpG ODN,a immunostimulatory sequences,has preventing and treating effect on allergic conjunctivitis caused by protein allergen.However,its effect on allergic conjunctivitis caused by fungal allergen is unclear. Objective This study aimed to investigate into whether the Th1-Th2 switching immunostimulatory CpG ODN could reverse the response in the murine allergic conjunctivitis model caused by aspergillus fumigatus. Methods A mixture of spores and hyphae of aspergillus fumigatus strain was used to induce allergic conjunctivitis in male BALB/C mice aged 6-8 weeks.This experiment was designed into preventive or therapeutical treatment program.Under both settings,allergic conjunctivitis of the animals were treated with CpG ODN,nonstimulatory GpC ODN or PBS.After the last challenge with the allergen,the clinical symptoms of the animals were scored based on the criteria of Magone.The animals were sacrificed and the histopathological examination of conjunctiva was performed.Expression of TLR4 mRNA in conjunctiva was analyzed by real-time PCR assay.The responsiveness and populations of lymphocytes in spleen and draining lymph nodes were analyzed by flow cytometry.The use complied with the Standard of Association for Research in Vision and Ophthalmology. Results In the prevention mode.CpG ODN decreased subconjunctival infiltration compared with GpC ODN and PBS groups with the average neutrophil count index(21.25 ±11.59/section,30.75 ±11.44 section and 69.00±9.90/section,respectively).Expression of TLR4 mRNA was up-regulated significantly by CpG ODN.The clinical scores for CpG ODN group were insignificantly lower than those in GpC ODN group and PBS group(P>0.05).In the therapeutic mode,compared with GpC ODN and PBS groups,the allergic symptom score in CpG ODN group manifested significantly lower(t=4.000.t=2.750,P<0.01)and showed fewer cellular infiltration(t=4.870,t=3.829,P<0.01)and higher expression of TLR4 mRNA(P<0.01).In cultured splenic and draining lymph node cells,increased percentages of CD4+ CD25+ and CD4+ CD25+ CD69+ in CpG ODN group were observed compared with control groups(|P<0.05). Conclusion CpG ODN can relieve aspergillus fumigatus-induced allergic conjunctivitis via either subconjunctival injection or topical application by upregulating expression of TLR4 and activating Treg lymphocytes.
6.Effects and mechanism of anti - VEGF assisted PPV in the treatment of proliferative retinopathy
Si-Jun, FAN ; Chun-Mei, CAI ; Hou-Bin, HUANG ; Ge, LIANG
International Eye Science 2017;17(10):1908-1911
AIM:To investigate the effects and mechanism of anti-vascular endothelial growth factor ( VEGF) assisted pars plana vitrectomy ( PPV) in the treatment of proliferative diabetic retinopathy ( PDR) . ·METHODS: A total of 92 patients ( 92 eyes ) with PDR treated by PPV were divided into the simple PPV group (41 patients with 41 affected eyes) and the combined treatment group ( 51 patients with 51 affected eyes ) according to whether the patient underwent intravitreal injection of Ranibizumab ( IVR) . The combined treatment group was treated with IVR at 5-7d before PPV. The surgical time, times of electrocoagulation, silicone oil filling rate, the incidence of postoperative complications, LogMAR BCVA of affected eyes, levels of VEGF and pigment epithelium derived factor ( PEDF ) in aqueous humor and vitreous body were compared between the two groups. ·RESULTS:The surgical time was shorter, the times of electrocoagulation was less, the silicone oil filling rate and the incidence rates of iatrogenic retinal hole and vitreous body hematocele were lower in the combined treatment group than in the simple PPV group (P<0. 05). Levels of VEGF and PEDF in aqueous humor and vitreous body of the combined treatment group during PPV were lower than those in the simple PPV group (P<0. 05). The LogMAR BCVA of the affected eyes of the combined treatment group in 3mo after surgery was better than that of the simple PPV group (P<0. 05). ·CONCLUSION:IVR combined with PPV can reduce the perioperative levels of VEGF and PEDF, reduce the times of electrocoagulation and the incidence of iatrogenic retinal hole and vitreous body hematocele, and improve the visual acuity of patients with PDR.
7.Preparation and antitumor immunity of long circulating Nano-Liposome encapsulated tumor specific antigen
Peizhen HU ; Jianfeng ZUO ; Jingguo FU ; Xia LI ; Shaoyan SI ; Wei GE ; Xiumin ZHANG ; Zengshan LI
Journal of Cellular and Molecular Immunology 2009;25(11):980-983
AIM: To prepare Nano-Liposome encapsulated MAGE3/HSP70(NL M3H) and study its character and antitumor immunity in mouse. METHODS: NL M3H was prepared by the thin film-dispersion ultrasonic. The shape and size of NL M3H were detected by electron microscope. The encapsulation rate, drug-carrying capacity, stability and the releasing character were tested by Sephedex-G100 gel filtration. The mouse was immunized by NL M3H, and the antitumor immunity was detected by ELISPOT and LDH release assay. RESULTS: The mean size of NL M3H was lower than 100 nm. The encapsulation rate was 38%.The drug content was 0.038 g/L. NL M3H has good stability after stored in 4℃ for 6 months. The releasing profile showed that 74 percent of proteins was released during the first 24 hours in saline. The results of ELISPOT and LDH release assay showed that NL M3H generated tumor specific cytotoxic T lymphocyte(CTL)to damage tumor cel1. CONCLUSION: NL M3H has novel characters, it can generate specific CTL to kill tumor cell, and can be used as new kind of vaccine agsinst tumor.
8.Application of On-line SPE-HPLC System in Pharmacokinetic Study of Highly Active Anti-Cancer Compound TEB-415
Man WANG ; Yabin WEN ; Kangning LIU ; Ge SI ; Lei LIU ; Zheng YIN ; Yaxin LU
Chinese Journal of Analytical Chemistry 2014;(12):1729-1734
An on-line solid phase extraction-high performance liquid chromatography ( SPE-HPLC ) system was applied in the plasma pharmacokinetic study of highly active anti-cancer compound tyrosine kinase inhibitors (TEB-415) in mouse. The on-line SPE-HPLC method associated with Ultimate3000 system which was applied to the determination of the blood drug level of TEB-415 in mouse plasma. C18 column ( Venusil MP, 150 mm × 4. 6 mm, 5μm) was used as analytical column and the mobile phase consisted of acetonitrile-5 mmol/L monopotassium phosphate buffer ( pH 3 . 5 ) at a flow rate of 1 . 0 mL/min was used as the isocratic elution. An MF Ph-1 column (10 mm×4 mm, 5 μm) was used as on-line SPE column, and water and water-acetonitrile were used as the washing solvent and elution solvent respectively. The detection wavelength was set at 262 nm. The pharmacokinetic parameters were calculated by WinNonlin 5. 2 software. The linear range of the calibration curve was between 100 and 20000 μg/L, and the limit of qualification was 20 μg/L. The extraction recovery was between 90 . 5% and 94 . 6%. The RSD of intra-day and inter-day precision was less than 3. 5%. The accuracy of short-term stability, freeze-thaw stability and long-term stability were between 91. 49% and 101. 96%. After oral medication, the mean peak time (Tmax) of TEB-415 in mice was 5. 29 h, and the mean maximum concentration ( Cmax) was 3403μg/L. The area under the curve ( AUC) of TEB-415 was 24600 μg/L·h. This drug's mean half-life was 3. 84 h, and its mean retention time (MRT) was 6. 56 h. These parameters suggested that TEB-415 had appropriate rate of absorption and elimination with preferable bioavailability.
9.Diagnostic Significance of Pulmonary Function Test on Infants with Obstructive Sleep Apnea-Hypopnea Syndrome
mei-si, WU ; xiao-ning, XUAN ; ru-ping, FANG ; hong-gen, ZHOU ; chuan-sheng, GE
Journal of Applied Clinical Pediatrics 2006;0(16):-
Objective To evaluate the effect of pulmonary function test on infants with obstructive sleep apnea-hypopnea syndrome (OSAHS). Methods Forty-eight patients were divided into two groups based on physical examination. Pulmonary function were measured in 48 patients. Age-matched healthy infants were enrolled as controls. The parameters included ratio of volume to PEF to total expiratory volume(VPTEF/VE,tPTEF/tE),inspiratory time/expiratory time(TI/tE),inspiratory time/total respiratory time(TI/Ttot),ratio of 50% of the tital inspiratory flow to tital volume(TIF_ 50 /V_T),mean inspiratory flow(V_T/TI),function capacity(FRCp),resistance effective(Reff).Results TI/Ttot,ratio of 50% of the tital expiratory flow to 50% of the tital inspiratory flow(TEF_ 50 /TIF_ 50 ),FRCp,Reff were significantly higher in patients compared with controls(P
10. Optimal Harvest Time of Traditional Mongolian Medicine, Radix Aconiti Kusnezoffii
Chinese Pharmaceutical Journal 2018;53(1):20-24
OBJECTIVE: To explore the optimum harvest time of the Mongolian medicine, Radix Aconiti kusnezoffii herbs, by analysis of the changes of the main components in different developmental stages. METHODS: HPLC was used to determine the contents of the main alkaloids in 6 kinds of Radix Aconiti Kusnezoffii which were harvested in sprouting stage, early flowering stage, flowering stage and withering period, respectively. Taking the content of total alkaloids as index, the appropriate harvest time of Radix Aconiti kusnezoffii was determined. RESULTS: From germination to withering period, the total alkaloids in the 6 kinds of Radix Aconiti Kusnezoffii displayed increasing and then decreasing trend. The highest contents existed in the early flowering stage and the lowest existed in the withering period. The contents of the main components were sorted from high to low in the early flowering stage, germination stage, flowering stage and withering period. CONCLUSION: Based on the unique processing METHODS in Mongolian medicine and clinical medication safety, the withering period of Radix Aconiti Kusnezoffii is the best harvest time and this is consistent with the traditional Mongolian harvest period.