ABSTRACT
This study examined the effects of Bangdeyun on the expressions of nuclear factor-kappaB (NF-kappaB), interferon-gamma (IFN-gamma) and interleukin-10 (IL-10) in the endometrium of mice with embryo implantation dysfunction (EID) during the implantation time (namely on pregnancy day 5, 6, 7 and 8) and explored the local immune regulatory effects of Bangdeyun. The gestational mice were randomly divided into normal group, model group and Bangdeyun-treated group. EID models of mice were established by using indomethacin. The endometrial expression of NF-kappaB was detected by immunohistochemistry and Western blotting. IFN-gamma and IL-10 were measured by enzyme-linked immunosorbent assay (ELISA). The results showed that in the normal group, NF-kappaB and IFN-gamma were weakly expressed and IL-10 was strongly expressed in the endometrium during the whole implantation period. In the model group, the expressions of NF-kappaB and IFN-gamma were increased on pregnancy day 5, 6 and 7, and IL-10 expression decreased during the whole implantation time when compared with those in the normal group (P0.05). The expressions of NF-kappaB and IFN-gamma were much lower in the Bangdeyun-treated group than those in the model group on pregnancy day 5, 6 and 7 (P<0.01 for all), while the expression of IL-10 was much higher than in the model group during the whole implantation time (P<0.01). It was suggested Bangderun may favor a shift from Th1- to Th2-type immune response, therefore inhibiting the maternal immune rejection, inducing the immune tolerance and improving the fetal implantation.
Subject(s)
Drugs, Chinese Herbal/pharmacology , Embryo Implantation, Delayed/drug effects , Embryo Implantation, Delayed/immunology , Endometrium/immunology , Endometrium/metabolism , Interferon-gamma/genetics , Interferon-gamma/metabolism , Interleukin-10/genetics , Interleukin-10/metabolism , NF-kappa B/genetics , NF-kappa B/metabolismABSTRACT
Objective To investigate the influence of Nimesulide(NIM),a selective Cyclooxygenase-2 (COX-2) inhibitor, on the expression of Angiopoietin-1 (Ang-1) and Angiopoietin-2 (Ang-2) protein in human tongue squamous cell carcinoma Tca-8113 cell lines. Methods Tca-8113 cell were cultured in vitro, and exposed to a range of concentrations of nimesulide (NIM) (0, 25, 50, 100, 200 μmol/L) for 24 h, 48 h, 72 h, and the PGE2 level in the cells cultured supernate was quantitated by the radioimmunoassay, and the expression of Ang-1 and Ang-2 protein in human tongue squamous cell line Tca-8113 were measured by the SABC immunocytochemistry staining simultaneously. Results The PGE2 level in the cultured supematant and expression of Ang-2 in Tca-8113 cells decreased by NIM in a concentration and time dependent manner, but not Ang-1. Conclusion NIM can decrease PGE2 level and Ang-2 expression, which may be involved in the inhibition of cancer angiogenesis of COX-2 dependence mechanisms.
ABSTRACT
Sinomenine transdermal patch was prepared and its properties were studied. The patches were produced by salivation method. The releasing rate in vitro of the patch was determined by HPLC. Peel test was used to evaluate the adhesion. Acute skin irritation test was performed in comparison with formalin [0.8%] by using mouse model. The Sinomenine TDDS Patch was prepared. The releasing rate in vitro followed the Higuchi equation [r>0.99], the releasing amount was beyond 90% in 24h. The peel adhesion to steel [N/25 mm] is 10 or above. The skin irritation tests showed negligible erythema and edema. The Sinomenine transdermal patch was prepared successfully and it may be beneficial for topical use
Subject(s)
Morphinans/pharmacokinetics , Administration, Cutaneous , Chromatography, High Pressure LiquidABSTRACT
Several topical formulations containing methanolic extract of Siegesbeckia pubescens was investigated for antiinflammatory and analgesic activities in rat. The effects were studied using carrageenan-induced edema and formalin testing. Piroxicam gel and methyl salicylate ointment were studied as positive control for antiinflammatory and analgesic activity, respectively. The edema inhibition of the preparations containing extract at the doses of 1-5% w/w were significantly different from the control group. The antiinflammatory effect of Siegesbeckia pubescens 4-5% w/w was similar to the effect of piroxicam gel 3 h after carrageenan injection. The analgesic activity of topical preparation with more than 4% w/w was observed in the late phase. The topical analgesic activity of the extract was less than the analgesic activity of methyl salicylate ointment. The results of the present study further confirm the use of Siegesbeckia pubescens traditionally for the treatment of painful inflammatory conditions and can be useful for the treatment of local inflammation
Subject(s)
Animals, Laboratory , Administration, Topical , Anti-Inflammatory Agents , Analgesics , Rats , Treatment Outcome , Pain MeasurementABSTRACT
The changes in the expression of aquaporin-1 (AQP1) mRNA and protein in cultured human trabecular meshwork (HTM) cells treated with dexamethasone and transfected with antisense oligonucleotides (AS-ODN) were studied, and the implication of AQP1 regulation in corticosteroid-glaucoma and the possibility of AS-ODN inhibiting the AQP1 expression were evaluated.The cultured HTM cells in vitro were treated with different concentrations of dexamethasone and transfected with oligonucleotides for 5 days respectively. Then, total RNA and protein of HTM cells were extracted. The changes of AQP1 mRNA and protein were demonstrated qualitatively and quantitatively by RT-PCR and Western blot. Band intensities were detected by imaging analysis.There was a parallel relationship between the results of RT-PCR and those of Western blot. The expression levels of AQP1 mRNA and protein in dexamethasone-treated groups were increased initially and decreased later as dexamethasone concentration was stepped up. In the 0.04 μg/mL and 0.4 μg/mL groups, the levels of AQP1 were higher than in control group (0μg/mL). In the 4μg/mL and 40μg/mL groups, the AQP1 expression levels were lower than in control group. AS-ODN could down-regulate the expression of AQP1 mRNA and protein in a dose-dependent manner. At 5 μg/mL, down-regulation efficiency reached the maximum. There was no statistically significant difference in the expression of AQP1 mRNA and protein between all sense oligonucleotides groups and control group. It was suggested that dexamethasone may induce the changes of the AQP1 expression in HTM cells to be involved in the occurrence of corticosteroid-glaucoma. AS-ODN can down-regulate the AQP1 expression in HTM cells to some extent.
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OBJECTIVE: To study the effect of Xingding Injection on the expression of heat shock protein 72 (HSP 72) in vascular endothelial cells after ultraviolet radiation. METHODS: Porcine aortic endothelial cells were cultured for 72 hours in culture mediums with different concentrations (0.1, 0.5, 1.0, 5.0, 10 mg/ml) of Xingding Injection. Ultraviolet radiation was administered to the cultured cells for 30 minutes. Western-blot assay was used to measure the expression of HSP 72 in the vascular endothelial cells. RESULTS: There was no expression of HSP 72 in the cultured vascular endothelial cells without ultraviolet radiation, but there was some expression of HSP 72 after ultraviolet radiation. Xingding Injection of different concentrations could significantly improve the expression of HSP 72. The expression of HSP 72 in the vascular endothelial cells cultured in culture medium with 1.0 mg/ml Xingding Injection was the highest, and there was no more increase of expression when the concentration was higher, instead the expression decreased. CONCLUSION: Xingding Injection can protect the vascular endothelial cells from injury during stress. It may be one of its mechanisms in preventing and treating cardio-cerebrovascular disorders.
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Objective:To study the correlation of the concentrations of tumor necrosis factor ?(TNF-?)between saliva and serum in patients with recurrent aphthous ulceration(RAU).Methods:Thirty patients with light RAU and thirty healthy controls were recruited.The levels of tumor necrosis factor ?(TNF-?)were measured in both saliva and serum of patients with RAU and control subjects by enzyme linked immunosorbent assay(ELISA)and TNF-? standard curve.Results:The concentrations of tumor necrosis factor ?(TNF-?)in saliva and serum were significantly higher(P
ABSTRACT
AIM This paper reviews methods of establishing experimental animal models of implantation failure and their observing index METHORDS Pregnant animals were instilled subcutaneously mifepristone, linorpristone, indomethacin,oxytocin or antiserum to ovine FSH, given pregnancy preventing wine to stomach or intrauterine injection of antibody to fibronectin and lamin RESULT The number of imbedded,implantation site and implantation rate of mice was reduced. The number of luteam on ovary was dimimished. Serum progesterone and chorionic gonadotropin levels were significantly decreased CONCLUSION The above methods could establish animal models of implantation failure