0. 5mV or change in color of myocardium in the ischemic area. Blood samples were taken from right atrium for determination of plasma levels of TXB2 and 6-keto-PGFla before epidural block (T0), 40 min after occlusion of coronary artery(T1 ) and 1, 3 and 5 h after reperfusion was started(T2-4 ) . Results There was no significant changes in MAP, HR and CVP in group Ⅱ while in group Ⅰ MAP decreased by 22%, HR 25% and CVP 28% after epidural block as compared with the baseline at T0 . TXB2 levels and TXB2/6-keto-PGF1a ratio increased gradually and significantly from T2-4 as compared with the baseline (T0) and those at T1 in both groups. TXB2 levels and TXB2/6-keto-PGF1a ratio were higher in group Ⅱ those in group 1111111 at T1-4 (P

Objective To discover the reciprocal regulation and its molecular mechanism of estro-gen, IL-6 and IL-8 in ovarian cancer cells. Methods Based on our previous studies, the effect of 17β-estradiol (E2) on the expression levels of IL-6, IL-8 and their respective receptors was investigated. Mean-while, the effect of IL-6/IL-8 on estrogen receptor (ER) expression and estrogen-dependent transcriptional activation was analyzed. Gene expression profile analysis revealed that CAOV-3 and OVCAR-3 cells, which express ER, IL-6 and IL-8 receptors, were suitable models for this study. Results We found that E2 not only enhanced IL-6/IL-8 secretion via NF-κB signaling pathway, but also modulated IL-6 and IL-8 receptors expression. Tamoxifen (Txf), an ER antagonist, completely abolished E2-stimulated IL-6/IL-8 expression. On the other hand, in the absence of estrogen, both cytokines increased ERα expression, decreased ERβ ex-pression, and activated estrogen-dependent transcriptional activation, which was completely blocked by Txf. Pretreatment of OVCAR-3 with p38 MAPK, MEK1/2 or ErbB2 MAPK inhihitors, respectively, IL-6-media-ted ER activation was blocked, while IL-8-indueed ER activation was blocked by Src inhibitor. Conclusion These data suggest that estrogen, IL-6 and IL-8 may form a mutual amplifying signaling which contributes to the growth and development of ovarian carcinoma.

Objective To evaluate the clinical effect of hepatocellular carcinoma treatment with a combination therapy of transcather arterial super liquefied lipiodol embolization and cytokine-induced killer cell(CIK) infusion.Methods There were 3 groups in this study,group 1:38 cases of HCC patients treated with a combination therapy of transcather arterial super liquified lipiodol embolization and CIK infusion;group 2:80 cases of HCC patients treated with a combination therapy of transcather arterial super liquefied lipiodol embolization and percutaneous intratumoral ethanol injection;group 3:134 cases of HCC patient treated with transcather arterial super liquefied embolization.Finally,the outcomes of the 3 groups were compared.Results The short term effective rates of group 1,2 and 3 were 76.1%,41.3% and 14.9% respectively,simultaneously with significant difference of changes concerning AFP value among the three groups especially in group 1 the AFP decrease to normal level while those of the other two groups still remain in higher levels.Conclusions The living quality and survival rate of HCC patients could be improved by a combination therapy of transcather arterial super liquefied lipiodal embolization and CIK infusion.(J Intervent Radiol,2007,16:235-239)

Objective To access the diagnostic value of volume helical shuttle (VHS)technology of spectrum CT in detection of the pulmonary arteriovenous malformations (PAVM).Methods Thirteen patients with PAVM confirmed by surgery and clinical data underwent CT pulmonary artery angiography with VHS technology,which were regarded as group A.The consecutive images at four different phases were gotten Meanwhile,other thirty patients underwent conventional CT pulmonary artery angiography using bolus tracking scan,regarded as Group B.The enhancement degrees of the pulmonary trunk were measured,and the image quality was also subjectively assessed by two radiologists separately,which were compared between two groups.Results In group A,the proportion of optimal phase in each of the four phases was 15.38% (2/13),46.15% (6/13),30.77% (4/13)and 7.7% (1/13),respectively.The mean CT value in pulmonary trunk was (329.21±41.63)HU in group A and (281.74±49.83)HU in group B,exhibiting no difference (P =0.989). The percentage of enhancement degree of pulmonary trunk more than 300 HU in group A was more than that in group B (P=0.000).However, the image quality of the main pulmonary artery,lobar pulmonary artery or segmental pulmonary artery was not significantly different between two groups (P >0.05).There were no statistically differences in mean DLP between group A of (715.54±195.37)mGy/cm and group B of (558.36±186.81)mGy/cm (t=3.737,P=0.068).Conclusion Spectrum CT VHS with higher image quality and enhancement degree is superior to conventional CT scan,which can be used to reduce the influence of individual circulation difference on image quality.

Objective: To study the biotransformation of gracillin by Penicillium lilacinumACC 31890,to isolate and to identify the structures of metabolites and investigate the pharmacological activities.Methods: The conversion products were isolated and purified by silica gel column chromatography and semi-preparative reversed phase liquid chromatography.Their structures were identified by MS and NMR, and the anti-inflammatory activity of the conversion products was investigated as well.Results: Three metabolites were isolated and purified, and identified as 5R-spirost-5-ene-3-ol-O-β-D-Glucopyranoside-(1→3)-β-D-glucopyranosyl (1), trillin (2) and diosgenin (3) with the conversion rate of 1%, 1% and 45%, respectively.In vitro study showed that the three products showed certain degrees of activity to inhibit the production of NO, IL-6 and MCP-1 in LPS-primed RAW264.7 macrophages.Moreover, the anti-inflammatory activity of the bioconversion products increased along with the hydrolyzation of carbohydrate chain.Diosgenin, the final product, showed the strongest anti-inflammatory activity among the three products.Conclusion: The biotransformation of gracillin by Penicillium lilacinum has a high productivity of diosgenin.The amount of glycosyls has notable influence on the anti-inflammatory activity of steroid sapoinin.

OBJECTIVE: To explore the correlation between the width of lingual varix and changes of hemodynamics of portal system in patients with primary liver cancer so as to supply the data for the forecast of portal hypertension by observing lingual varix. METHODS: The diameter of lingual vein (Dlv) was measured by vernier caliper as dependent variable, and the diameters and indexes of hemodynamics of portal vessels were measured by Doppler as independent variables, then a multipe stepwise analysis was performed. RESULTS: The diameters of portal vein (Dpv) and splenic vein (Dsv) entered the formula Dlv (mm) = 0.185 + 0.311 Dsv (mm) + 0.236 Dpv (mm) when the entry and removal values were alpha(in)=0.10 and alpha(out)=0.15, respectively. CONCLUSION: The width of lingual vein is closely correlated with the diameters of portal vein and splenic vein in patients with primary liver cancer.

Objective To investigate the effect of selenium on proliferation and apoptosis of chondrocytes of articular cartilage cultured in vitro in Kaschin-Beck disease(KBD) patients and normal person, to explore the role of selenium in control of KBD, and to provide evidence for selenium's effect on the growth of normal cartilage cells. Methods The articular cartilage samples of grade Ⅱ and Ⅲ KBD patients were selected according to the national "Clinical Diagnosis of KBD" (GB 16003-1995). Chondrocytes of 5 KBD and 5 non-endemic normal accidentswere separated and cultured in vitro. KBD group and control group were given different doses of selenium (0,0.0125,0.0250,0.0500,0.1000,0.2500,0.5000,1.0000 mg/L, respectively). Methyl thiazolyl tetrazolium (MTT),flow cytometric analysis, and immunocytochemical staining were used to observe the effect of selenium on cell growth and apoptosis in KBD and normal persons. Results MTT results showed that the cell proliferation rate in each dosage group of the control group at the 6th day(0.086 ± 0.025,0.077 ± 0.012,0.073 ± 0.027,0.071 ± 0.017,0.058 ± 0.028,0.052 ± 0.028 and 0.046 ± 0.037) was significantly lower than that of 0 mg/L group(0.138 ± 0.026,all P ＜ 0.05);the average cell proliferation rate was negative( - 0.001 ± 0.001, - 0.003 ± 0.000, - 0.003 ± 0.001and - 0.004 ± 0.001 ) in 0.1000 - 1.0000 mg/L dose group, which was significantly lower than that of the 0 mg/L group(0.025 ± 0.003, all P ＜ 0.05);compared with 0 mg/L group(0. 115 ± 0.011), the KBD 0.2500 mg/L dose group promoted cell proliferation(0.128 ± 0.037, P ＜ 0.05), the KBD 1.0000 mg/L dose group inhibited cell growth (0.071 ± 0.019, P ＜ 0.05). The apoptotic rate of 0.0500 - 1.0000 mg/L dose control group [ (18.88 ± 0.02)%,(17.58 ± 0.01)%, (17.09 ± 0.04)%, (56.00 ± 0.02)%, (57.85 ± 0.03)% ] were higher than that of the 0 mg/L group[(13.51 ± 0.01)%, all P ＜ 0.05];compared with 0 mg/L group[(25.84 ± 0.02)%], the apoptotic rate in KBD 0.0250 - 0.2500 mg/L dose group [ ( 13.69 ± 0.02) %, ( 15.96 ± 0.03 ) %, ( 16.68 ± 0.03 ) %, ( 16.67 ± 0.02) % ]were lower, and the apoptotic rate in 0.5000, 1.0000 mg/L dose group [ (59.58 ± 0.03)%, (73.48 ± 0.04)% ] were significantly higher(all P ＜ 0.05). The Fas expression in KBD 0.0500 - 0.2500 mg/L dose groups[ (41.2 ± 1.5)%,(40.3 ± 2.0)%, (50.2 ± 2.5)%] were lower than those of the same dose control group with selenium intervention [(52.4 ± 1.0)%, (67.2 ± 4.0)%, (75.1 ± 5.0)%, all P ＜ 0.05], the caspase-3 expression in KBD 0.0500,0.1000 mg/L dose groups[ (40.8 ± 1.1 )%, (45.1 ± 2.1 )%] were lower than those of the same dose control group with selenium intervention[ (68.0 ± 3.0)%, (70.6 ± 3.5)%, all P ＜ 0.05 ]. Conclusions Appropriate dose of selenium supplementation (0.1000 - 0.2500 mg/L) could promote the growth of KBD chondrocyte, decrease cell apoptosis,but have a damage when the dose of selenium ＞ 0.5000 mg/L;doses of selenium that could promote the growth of KBD chondrocyte does not mean to promote the growth of normal cartilage cells in vivo.

Objective To study the correlations of pelvic endometriosis cysts with pain and infertility according to the revised American Fertility Society (r-AFS) staging of endometriosis.Methods We retrospectively studied the clinical information of 258 cases patients with the ovarian endometriosis cysts who undergoing laparoscopic ovarian endometriosis cysts excision from January 2007 to December 2013.In accordance with the r-AFS,the correlation between pelvic adhesions and pain symptoms or infertility was evaluated.Results Among 258 cases with ovarian endometriosis cysts,there were 72.09％ (186/258) of patients presented pelvic pain and 16.28％ of patients presented infertility.The stages of r-AFS were that 16 cases in stage I,80 cases in stage Ⅱ,108 cases of in stage Ⅲ and 54 cases of stage Ⅳ.Also,186 cases with pain symptom,77.42％ (144/186) of patients were in stage Ⅲ and Ⅳ,which was remarkably higher than that of no symptom group (25.00％ (18/72),x2 =64.017,P ＜ 0.05).Among 42 cases with infertility,there were 85.71％ (36/42) of patients were in stage Ⅲ and Ⅳ,remarkably higher than of no infertility group (58.33％ (126/216),x2 =11.283,P ＜ 0.05).Conclusion The r-AFS stage of pelvic distribution in ovarian endometriosis cyst is closely correlated with pain symptoms and infertility.Patients in stage Ⅲ and Ⅳ with pain and infertility are more significant.

Objective To investigate the differences between subjective and objective sleep quality in recurrent depressive patients and the correlative factors. Methods Thirty-two cases of recurrent depressive patients(the recurrent group) and 32 cases of first episode depressive patients(the control group)who met the inclusion were recruited in this study. The subjectivesleep quality ,mood and objective sleep quality of patients were estimated by Pittsburgh sleep quality index(PSQI),Hamilton anxiety Scale(HAMA),Hamilton depression Scale(HAMD),respectively. O ne whole-night polysomnography (PSG) was recorded. Results On subjec-tivesleep quality,the total sleep time was shorter,the sleep latency was longer,and the sleep efficiency was lower in the recurrent group compared with the control group. On objectivesleep quality ,the wake times were increased , the NREM1 phase was longer,the NREM2 phase was shorter,the RME phase was longer,the proportion of REM phase was increased,and the latency of REM phase was shorter in the recurrent group compared with the control group(P<0.05,respectively). There were significant differences between the subjective and objective sleep quali-ty in both groups,while the differences in the recurrent group were more significant(P < 0.01). In the recurrent group,thedifference of the total time between the subjective and objective sleep was positively correlated with PSQI score,the duration of disease and the number of attacks(P < 0.05),while,the differences of the sleep latency and sleep efficiency between the subjective and objective sleep were both positively correlated withPSQI score and the HAMA-14 score,respectively(P<0.05). Conclusion There was a significant difference between the subjec-tive and objective sleep quality of patients with recurrent depression ,and the differences were related to the course of disease,the number of attack,PSQI score and HAMA-14 score.

BACKGROUND:The mechanism underlying orthodontic-induced external root resorption is not yet clear, and it differs individual y. Kidney deficiency has been proved to be related to bone diseases which mediated by different cytokines. Interleukin-17 is an important cytokine involved in external root resorption. So figuring out whether kidney deficiency and interleukin-17 are related to root resorption wil be helpful for etiological research.
OBJECTIVE:To explore the relationship between kidney deficiency physique, interleukin-17 and root resorption during orthodontic treatment in rats.
METHODS:Thirty-six Wistar rats were selected and equivalently randomized into two groups, fol owed by modeled into kidney deficiency (kidney deficiency group) or injected with normal saline (control group), respectively. Afterwards, the right maxil ary of each rat served as an orthodontic force model, and the left maxil ary as a non-orthodontic force model. Al rats were respectively sacrificed under general anesthesia at the 3, 7 and 14 days after given orthodontic force. Then, the mesial surface of the root of maxil ary first molars and the expression level of interleukin-17 were observed through hematoxylin-eosin staining and immunohistochemical method.
RESULTS AND CONCLUSION:Histological observation showed that significantly increasing root resorption in a time-dependent manner could be observed, and there were various absorbed lacunae of osteoclasts on the enamel in the kidney deficiency orthodontic force group. The alveolar bone resorption and widened periodontal membrane appeared in the control orthodontic force group. While no remarkable root and alveolar bone resorptions were found in the other two non-orthodontic force groups. The expression level of interleukin-17 in the kidney deficiency orthodontic force group was higher than that in the control orthodontic force group;the expression level of interleukin-17 in the kidney deficiency non-orthodontic force group was higher than that in the control non-orthodontic force group. In conclusion, kidney deficiency patients are easy to develop root resorption, the mechanism of which is maybe relevant to the upregulation of interleukin-17.