To investigate the features of CT, ultrasonography and fundus fluorescein angiography (FFA) of morning glory syndrome, the data on CT, A/B-scan ultrasonography and fundus fluorescein angiography (FFA) were retrospectively analyzed in 8 cases of morning glory syndrome (MGS). Among those cases, 6 were examined with CT, 4 with FFA and 8 with A/B-scan ultrasonography. Results showed that the characteristics of CT, A/B-scan ultrasonography and FFA in MGS included: (1) The attachment spot of optic nerve became thin and vitreous body protruded to the posterior wall of eyeball with a spherical shape on CT image; (2) in the early period of FFA, hypofluorescence appeared on the optic, the abnormal arteriae and veins around the optic papilla were displayed clearly and in the late period, optic disc was stained with fluorescein; (3) on B-scan ultrasonogram, the vitreous cavity extended to the posterior pole and optic papilla, and projected to the basal part of muscle cones and thus the posterior part of vitreous cavity looked like an upside-down bottleneck. Sometimes the echogenic band of retinal detachment could also be seen. On A-scan ultrasonogram, both vitreous cavity and bottleneck showed no ultrasonic echoes and presented a base line without any evident wave crest. It is concluded that CT, A /B-scan ultrasonography and FFA could show the imageological features of MGS from different aspects, which helps clinicians to differentiate it from other diseases such as optic disc coloboma. CT and A /B-scan ultrasonography, in particular, are considered to be reliable imageological methods for the accurate diagnosis of MGS and are superior to the traditional techniques.

Objective To explore the pathologic changes of the opening blood-brain barrier(BBB) in the early stages of 50% TBSA scalded rabbits.Methods Ten male rabbits inflicted with 50% TBSA of Ⅲ degree were randomized into five groups: control,postburn 1 h,2 h,3 h,4 h.Brain tissues were isolated at different phases and observed in gross,by microscope and transmission electron microscope.Results Endothelial cells swelled and BBB began to open in 2 h after scald.The tight junction of endothelial cells became vague and the opening of BBB increased as lesion time prolonged.Conclusion As the lesion time prolonged,the injury of endothelial cells became more serious and the opening of BBB progressed,which resulted in the formation of brain edema.

In recent years, there is increasing evidence that the pathogenesis of Parkinson's disease (PD) may involve the more generation of reactive oxygen species, and investigations on patients have shown that PD is under a status of oxidative stress. The defense against the toxic effects of reactive oxygen species is an essential task within the brain. An important component of the cellular detoxification of reactive oxygen species is the antioxidant glutathione. Consequently, it seems reasonable to propose that increase of brain concentrations of glutathione including glutathione analogs or precursors could be very effective in diminishing the cumulative effects of oxidative damage, and have been investigated as potential therapeutic targets in the treatment and prevention of PD or other neurodegenerative disease.

Objective To study the effect of femoral offset reconstruction ON the Harris hip score and the hip ROM (range of motion) after artificial hip replacement in femoral neck fractures. Methods Follow-ups were conducted for 47 patients who had undergone artificial hip replacements for their unilateral femoral neck fractures. We took X-ray pictures to compare the femoral offsets at the affected and unaffected hips. The operated hips were evaluated by the Harris hip score. Statistical analyses were performed with SPSS l2.0 software. Results The Harris hip score of the operated hip was positively related to femoral offset reconstruction(t=7.25,P＜0.001).There was a significant and positive correlation between femoral offset and the hip abductor ROM(r=0.80,P＜0.001).The rate of femoral offset reconstruction had no significant difference between total hip arthroplasty and bipolar hip arthroplasty (χ2=0,P＞0.05).Conclusions Reconstruction of femoral offset after artificial hip replacement in the femoral neck fractures can improve funetional recovery and ROM of the hip. Femoral offset reconstruction is uncorrelated to the selection of total hip arthroplasty or bipolar hip arthroplasty.

Objective:To study the effects of hepatitis B virus(HBV)infection in vitro on differentiation of mesenchymal stem cells(MSCs)to liver cells.Methods:MSCs were isolated from human bone marrow by density gradient centrifugation,and expanded by adherent culture.MSCs were cultured under liver-stimulating condition,and different composition of serum was added to the induced medium:Group A:5% fetal bovine serum(FBS);Group B:2.5% FBS+2.5% HBV-containing serum;Group C:2.5% FBS+2.5% serum from healthy volunteers;Group D:the undifferentiated MSCs cultured in LG-DMEM+10% FBS.The expressions of a variety of hepatic lineage markers were analyzed by immunocytochemistry and immunofluorescence.The functionality of differentiated cells was assessed by their ablility to store glycogen.After 2 weeks of exposure to HBV infected serum,HBV-specific protein was also detected by immunocytochemistry.Results:As a result of our hepatic induction,the expressions of albumin(ALB)and alpha-fetoprotein(AFP)by MSCs were observed by immunocytochemical and immunofluorescence techniques.Moreover,MSCs had acquired the ability of glycogen storage which was characteristic of liver cells.Compared with the control group,the proliferation of MSCs was inhibited greatly by the virus-containing serum.After 2 weeks of exposure to HBV infected serum,the surface antigen(HBsAg)was detected in some induced MSCs.However,after immunocytochemical stain for ALB and AFP,there was not much difference between the Group B and C.The ability of glycogen storage of two groups were almost the same.Using confocal microscopy,we found the co-expressions of ALB and HBsAg in the same differentiated cells.Conclusion:The bone marrow MSCs have the ability to trans-differentiate into functional hepatocyte-like cells,hence may serve as a cell source for tissue engineering and cell therapy of hepatic diseases.HBV infected serum could inhibit the proliferation of MSCs in culture,but it seemed that the hepatic differentiation of the cell was unsuppressed.

To investigate the effects of pyrrolidine dithiocarbamate (PDTC) on the proliferation and PCNA (proliferating cell nuclear antigen) expression of cultured human retinal pigment epithelium cells, human retinal pigment epithelium cells (RPE) were cultured from normal adults who, died accidentally. The effects of PDTC on the proliferation of RPE cells were examined by using methyl thiazlyl tetrazolium (MTT) assay. The effects of PDTC on the PCNA expression of RPE cells were immunohistochemically examined by employing biological image analysis system (BIAS). After treatment with PDTC of various of concentration ranging from 0.062 to 1 g/L for 24 h, or concentrations ranging from 0.031 to 1 g/L, the proliferation of RPE cells decreased in a dose-dependent manner. After treatment with PDTC of concentration varying from 0.062 to 1 g/L for 24 h, the PCNA expression was also suppressed in a dose-dependent manner. It is concluded that PDTC can inhibit the proliferation of RPE cells in vitro in a dose-and time-dependent manner, at least in part, by down-regulating the expression of PCNA. PDTC may be used to prevent and treat the proliferative vitreoretinopathy (PVR).

[Objective] To investigate the clinical efficacy of tacalcitol combined Halometasone sequential therapy in the patients of plaque psoriasis. [Methods] 117 cases of plaque psoriasis col ected between 2011.01 and 2013.02 were randomly divided into treatment group and control group. The treatment group were treated with tacalcitol and Halometasone therapy, and required topical use Halometasone(1 time/day) in the morning ,tacalcitol use in the evening(1 time/day) before the first 2 weeks. Continuous two weeks treatment from Monday to Friday with tacalcitol(2 times/day), Saturday and Sunday with Halometasone(2 times/day), final y the transition to be used alone tacalcitol(2 times/day) in the next two weeks of continuous treatment. Control group of pa-tients given alone Halometasone(2 times/day) for 6 consecutive weeks. Observe the adverse reactions PASI scores during and after completion of treatment within the two groups. Al patients were fol owed for three months, observed recurrence. [Results] The PASI score between two groups of patients declined during treatment, especial y at the 4th and 6th week within the treatment group. Both groups had no serious adverse reactions. In treatment group, 54 patients had effective responses, the total effective rate was 90%, significantly better than the control group(41 cases,71.9%). In the fol ow-up of 3 months, the recur-rence rate was 11.1%in the treatment group, significantly lower than the control group(31.6%). The difference of total efficiency and the recurrence rate with-in the two groups was statistical y significant. [Conclusion] Tacalcitol combined Halometasone sequential therapy of plaque psoriasis has significant clinical effi-cacy and low recurrence rate.

Many countries have developed standard strategy under the tendency of the economic globalization.TCM international standardization faces more and more competitions.This article analyzes the competitors and competitive status of TCM international standardization by the research methods of competitive intelligence,competitor analysis and SWOT analysis,and puts forward corresponding strategic measures in details.

Objective To investigate the role of temporary placement of fully covered self-expandable metal stent (cSEMS) for treatment of uncontrolled bleeding after endoscopic sphincterotomy (EST).Methods From January 2000 to present,a total of 3460 cases of EST were performed,and bleeding after the procedure was complicated in 29 (0.84％) of them,in which 4 could not to be stopped by conventional managements.Covered SEMSs were placed across the major papilla in these 4 patients.Results The stents were successfully placed and hemostasis was achieved in all patients.The stent was removed in 1 patient 1 week later,and spontaneous stent dislodgment occurred in 1 patient within 4 weeks.The other 2 patients rejected to remove the stents,and the patency maintained for more than 6 and 12 months respectively.No complication was observed in procedures of placing and removing stents.Conclusion Covered SEMS placement is a safe,effective and simple method for patients with uncontrolled bleeding after EST.