Objective To investigate the effect of povidone iodine irrigation combined with levofloxacin eye drops on the inflammatory indexes, NO and antioxidant indices in serum and tear fluid of patients with diabetic cataract.Methods 50 cases of pati ents with diabetic cataract and admitted into the hospital during January 2013 to January 2015 were selected as the research objects all of whom received cataract surgery.According to the randomized double blind method, the patients were divided into two groups with 20 cases in each group.The control group received levofloxacin eye drops intervention before surgery while the observation group were treated withpovidone iodine irrigation, based on the control group.The inflammatory indexes (IL-2, sIL-2R, IL-6), NO, antioxidant indexes (TAC, SOD, CAT) and condition of postoperative infection were compared between the two groups before and after irrigation.ResuIts In the observation group, the sIL-2R, IL-6 and NO levels in serum and tear fluid after irrigation were significantly lower than those in the control group while IL-2, TAC, SOD and CAT were significantly higher than those in the control group.The differences were statistically significant (P<0.05).The postoperative infection rate of the observation group was 0.0% which was significantly lower than 16.0% of the control group.The difference was statistically significant ( P<0.05 ) .ConcIusion Povidone iodine irrigation combined with levofloxacin eye drops can significantly reduce the inflammatory reactions in patients with diabetic cataract and improve their antioxidant level.

Objective To evaluate the efficacy of non-Hodgkin's lymphoma(NHL)treated by high does MTX,autologous peripheral stem cell transplantation and biotherapy for 67 cases.Methods Sixty-seven NHL patients from June,2003 to March,2007 were treated by three times HD-MTX,APBSCT and biotherapy of IL-2.Results There were 36 cases(87.8%)in complete relase(CR)period;5 cases(12.2%)in relapse(RE)period and 1 patient(2.4%)died in CR group;in PR group,there were 15 cases(57.7%)in CR period;11 cases(42.3%)in RE period and 5 patients(19.2%)died.Conclusion These preliminary results suggest that the therapy can be performed safely.It is an efficacious therapeutic measure for the patients with non-Hodgkin's lymphoma.

Objective To evaluate clinical effect of autologous peripheral blood stem cell transplantation(APBSCT)on the treatment of hematologic malignancies.Methods Totally 231 patients(ALL in 45 cases,AML in 34 cases,NHL in 100 cases,HD in 31 cases,MM in 21 cases)with hematologic malignancies received APBSCT from March 2001 to February 2007.Therapeutic effect and complication were oberserved.Results Totally 230 patients obtained hematopoietic reconstitution quickly,one case failed.ALL CR1(first time CR):13 in DFS,4 alive with disease(LWD),11 in death;ALL CR2(second time CR):3 in DFS,4 in LWD,10 in death;AML CR1:12 in DFS,3 in LWD,6 in death;AML CR2:6 in DFS,2 in LWD,6 in death;NHL CR:43 in DFS,7 in LWD,9 in death;NHL CR2:18 in DFS,5 in LWD,7 in death;NHL NR:2 in DFS,4 in LWD,5 in death;HD CR1:10 in DFS;HD PR:12 in DFS,3 in LWD;HD RE:3 in DFS,2 in LWD,1 in death;MM:7 in DFS,6 in LWD,8 in death.Conclusion APBSCT is a safe and effective therapy method for treating hematologic malignancies.

Objective To investigate the protective effect of aminoguanidine(AG),silymarin (Sil) and anisodamine (Ani) on retinal capillary pericytes cultured in glycosylation products. Methods MTT cololrimetric assay, thymidine incorporating and fluorescent indicator fura 2 acetoxy methyl ester (Fura 2AM) were used to study the influence of AG,Sil and Ani on the growth,DNA synthesis,and cytosolic free calcium([Ca 2+ ]i)changes of pericytes cultured in the medium contained early glycation products (EGs) or advanced glycation end products (AGEs). Results Cultured in the medium contained EGs,the A value by MTT assayed and amount of thymidine incorporating in AG group and Sil group were obviously elevated than those of control group(P

Objective To investigate the effects of thrombopoietin (TPO) on the proliferation of megakaryocytic line-HEL cells co-cultured with human umbilical cord blood-derived stromal cells (hUCBDSCs), which is supposed to further elucidate the mechanism of TPO-mediated functions. Methods HEL cells were co-cultured with hUCBDSCs, and with human bone marrow stromal cells (hBMSCs), and suspended HEL was used as control. HEL The concentration of TPO in supernatant of hUCBDSCs and hBMSCs was detected by ELISA assay. The expression of c-Mpl membrane-bound protein of HEL cells was detected by laser scanning confocal microscopy and flow cytometry, and the expression of c-Mpl mRNA was detected by RT-PCR. Results It was revealed by ELISA assay that the concentration of TPO secreted by hUCBDSCs was higher than that by hBMSCs, even though the passage was done. The secretion peak in hUCBDSCs group appeared at the 8th day of culturing, somewhat delayed to that in hBMSCs group which the peak appeared at the 6th day. The expression of C-mpl protein displayed uniform green fluorescence on the surface of HEL cell line as determined by laser confocal microscopy, and mean fluorescence intensity detected by flow cytometry was 22.19?2.15, 29.65?0.82 and 37.43?1.69 in HEL suspended culture group, HEL/hBMSCs co-culture group and HEL/ hUCBDSCs co-culture group, respectively. The expression of C-mpl protein in HEL/ hUCBDSCs co-culture group was higher than that in the two other groups (P0.05). Conclusion TPO-pathway might be the important intermediate process for hUCBDSCs to promote megakaryocyte proliferation. The promotion as such may be realized by up-regulating the c-Mpl expression in translation or post-translational modification phase.

Objective To explore the clinical effents of bevacizumab on the recrudescence of the limbal corneal epithelial cell auto-graft transplantation in treating patients with pterygium.Methods The clinical data of 75 cases(99 eyes) with pterygium were retraspectively reviewed,and they were divided into 3 groups by different conservative treatment.A group:the limbal corneal epithelial cell auto-graft transplantation combined with bevacizumab.B group:the limbal corneal epithelial cell auto-graft transplantation combined with MMC.C group:the limbal corneal epithelial cell auto-graft transplantation.After follow-up for 3 months,the curative effect and recurrence were compared between the two groups.Results The recurrence of three groups was significantly different( x2 =12.267,P ＜ 0.05 ).The reccurrence rate of A,B,C group were 12.1％,15.2％,45.5％.The recurrence rate of A group and B group wasn't significantly different(x2 =2.117,P ＞0.05).The recurrence rate of B group and C group wasn't statistically different( x2 --3.930,P ＜ 0.05 ).The recurrence rate of A group and C group was significantly different( x2 =4.155,P ＜ 0.05 ).After 1 week,all patients had different degrees of eye pain,photophobia or tearing,and disappeared after 1 week;2 patients in group B found that limbal shallow scleral necrosis,superficial punctate keratitis.The average time of removal of stitches in group A was 5.9d,group B was 7.0d and group C was 7.5d.Conclusion Bevacizumab could obviously reduce the recrudescence of the limbal corneal epithelial cell auto-graft transplantation in treating patients with pterygium.It was safe with less complications and good prognosis.It was worthy for being widely used in treatment of pterygium.

Objective: To revise the Social Interaction Anxiety Scale (SIAS) and Social Phobia Scale (SPS), which are self-related social anxiety measurements developed by Mattick and his colleagues. Methods: Data were collected from a sample of more than 1,300 college students of Beijing and analyzed by Confirmatory Factor Analysis, reliability test and validity test. Results: The results of Confirmatory Factor Analysis showed that the revised SIAS and SPS were single-factor construct and had good construct validities. The Cronbach's ? coefficient of the SIAS scale was 0.874, the reliability coefficient of split-half was 0.862, and the test-retest stability coefficient was 0.863. The Cronbach's ? coefficient of the SPS scale was 0.904, the reliability coefficient of split-half was 0.865, and the test-retest stability coefficient was 0.849. The correlation between total score of SIAS and that of Fear of Negative Evaluation Scale(FNE) was 0.514, and the correlation between total score of SPS and that of FNE was 0.479. Conclusion: The revised scales of SIAS and SPS has good psychometric quality and can be used in Chinese college students.

Objective To investigate the potential of stromal cells from human umbilical cord blood cultured in vitro to secrete hematopoietic growth factors. Methods The expressions of hematopoietic growth factors of stromal cells from human umbilical cord blood and bone marrow were detected by ELISA kits at different time points. Results Stromal cells from human umbilical cord blood could secrete thrombopoietin (TPO), granulocyte-macrophage colony stimulating factor (GM-CSF) and stem cell factor (SCF). The peak levels of TPO and SCF were found at 7 d after culture in vitro, but then the levels of these factors decreased gradually. Stromal cells from human umbilical cord blood secreted more SCF and GM-SCF, but less TPO than human bone marrow stromal cells. Conclusion Our results demonstrate that stromal cells from human umbilical cord blood could sustain hematopoiesis by secreting multiple types of hematopoietic growth factors such as TPO, GM-CSF, and SCF.

OBJECTIVE:To optimize the prescription and preparation of matrine liposomes.METHODS:The liposomes were prepared by the reverse-phase evaporation technique;the envelope efficiency and the diameter of matrine liposomes were taken as criteria,the prescription and preparation of the liposomes were optimized by orthogonal design.RESULTS:The best prescription consisted of egg phosphatidylcholin(80mg),the oil phase cholesterol(15mg),the water phase phosphate buffer so?lution(pH=7.0)and matrine(30mg);the best preparation technics was as follows:chloroform(30ml),ultrasonic time was10min rotary evaporating temperature at48℃.The liposomes had homogeneous shape with the particle size at250nm～750nm and the envelope efficiency of matrine liposomes at47.25%.CONCLUSION:The optimized formulation of martine liposomes is reasonable in prescription,practicable in technics,high in envelope efficiency and perfect in stability.

Objective To investigate the effect of intermedin (IMD) on tubular cells apoptosis induced by renal ischemia/reperfusion (I/R) injury and its associated mechanism.Methods A total of twenty-four male Wistar rats were randomly divided into four groups (control group, I/R group, empty plasmid group and IMD group). One week after the removal of right kidney, ultrasound plasmid was used to transfect empty or IMD plasmid into the left kidney. Renal I/R model was made by clasping the left renal artery for 45 minutes. Tubular cell apoptosis was determined by TUNEL. Expression of Bax, Bcl-2, Fas was detected by semi-quantitative RT-PCR.Activity of caspase-8 and caspase-9 was evaluated with commercially available kits respectively.Protein level of caspase-3 was measured by Western blotting analysis. Results Compared with control group, apoptosis of tubular epithelial cells, expression of Bax and Fas, activities of caspase-8 and caspase-9, as well as protein level of caspase-3 were all significantly increased in I/R group (all P＜0.05). IMD pre-treatment significantly inhibited all these effects (all P＜0.05). There were no differences of above parameters between empty plasmid group and I/R group. Conclusion IMD pre-treatment protects against renal I/R injury by inhibion of tubular epithelial cell apoptosis.