Objective To investigate the safety,therapy and prophylactic effect of Omeprazole on stress ulcer in children with epidemic type B encephalitis.Methods Before and after medication,chest X-ray examination was performed.The result of occult blood(OB) was confirm by Colloidal gold assay in stool and/or gastric juice.Based on the result of OB,the patients were divided into therapy group[besides conventional therapy for encephalitis,Cimitidine group and Omeprazole group with positive result OB,was administered with 0.9% normal sodium 100 mL+Cimitidine 20-40 mg/(kg?d),iv,q12 h and normal sodium 100 mL+Omeprazol 0.5-0.8 mg/(kg?d),iv,qd,respectively] and prophylaxis group(Cimitidine group,Omeprazole group and control group,with negative result OB,were administered with same medicines as therapy group,respectively.Except control group being administered only 0.9%NS 100 mL,iv,(q12 h)).The effects of drugs on hemostasis,preventing hemorrhage,and the potential risk of acquired pneumonia result from drugs used were observed.Results In therapy group,the average time of hemostasis in Omeprazole group was obviously shorter than that of in Cimitidine group,there was significant difference between two groups(P0.05).Conclusions Both of the drugs is safety and effect to therapy or prophylaxis for the latent stress ulcer in short term.The effect of Omeprazole is better than those of Cimitidine.Using Cimitidine and Omeprazole,neither therapy nor prophylaxis for stress ulcer increaseds the potential risk of acquired pneumonia in children with epidemic type B encephalitis in this study.

Adenocarcinoma, Mucinous ; metabolism ; pathology ; surgery ; Aged ; Biomarkers, Tumor ; metabolism ; Carcinoembryonic Antigen ; metabolism ; Carcinoma, Pancreatic Ductal ; metabolism ; pathology ; surgery ; Carcinoma, Papillary ; metabolism ; pathology ; surgery ; Cystadenocarcinoma, Mucinous ; metabolism ; pathology ; surgery ; Diagnosis, Differential ; Duodenal Neoplasms ; metabolism ; pathology ; surgery ; Female ; Follow-Up Studies ; Humans ; Immunohistochemistry ; Male ; Middle Aged ; Mucin-2 ; Mucins ; metabolism ; Neoplasm Invasiveness ; Pancreatic Neoplasms ; metabolism ; pathology ; surgery ; Pancreaticoduodenectomy

Objetive To study the effect of Paeonol on PGI,TXA2,ET and NO in diabetic rats.Methods Streptozocin was used in dosage of 60 mg/kg on rats to make diabetic animal model.Defferent dosages of Paeonol were used on diabetic animal models.6-Keto-PGF1?,TXB2,ET and NO were tested after 30 days. Results Compared to the control group,6-Keto-PGF1?(pg/mL)of Paeonol groups increased from 89.75? 2.75,89.97?7.28,89.97?11.36 to 120.03?13.85,108.34?11.25,105.32?8.85 respectively;TXB2 (pg/mL)decreased from 157.64?10.36,156.64?11.35,153.33?19.40 to 124.46?18.67,136.40?18.15, 138.40?22.20 respectively;ET(pg/mL)decreased from 181.68?5.10,181.27?4.76,181.04?4.19 to 140.55?3.01,150.51?2.22,161.02?3.76.The change of 6-Keto-PGF1?,TXB2 and ET was related to the dosage of Paeonol.NO has no significant change.Conclusions Paeonol can decrease the ET and TXB2 in diabetic rats,and increase 6-Keto-PGF1?in diabetic rats.

Gadd45a, a p53 and BRCA1-regulated growth arrest and DNA damage gene, plays important roles in suppressing cell transformation and tumor malignancy. Gadd45a maintains the genomic stability through inhibiting the cell growth and promoting the DNA repair etc, by which it suppresses the tumor development. Additionally, Gadd45a is involved in some important signaling pathway, contributing to its function in tumor suppressing.

[Objective]To detect the effect of constant magnetic field on metal ion Co2+,Cr3+ induced TNF-? secreted by human mononuclear cells,and to search a method for prevention and treatment of aseptic loosening. [Methods]CoCl2 powder and CrCl3 powder were dissolved in the asepsis injecting water. Mononuclear cells from human peripheral blood,were taken and cultured with Co2+,Cr3+ ions in different magnetic field of 10Gs,100 Gs,1000Gs for 12,24 and 48 hs. There were nine groups:control group,Co2+ group,Cr3+ group,Co2+andCr3+ with various intensities of constant magnetic field,respectively.ELISA method was applied to detect tumor necrosis factor (TNF-?) in serum via the absorbance (A).[Results]Co2+ and Cr3+ ions stimulated human mononuclear cell to secrete TNF-? (P

Indoleamine 2,3-dioxygenase 1 (IDO1) and tryptophan 2,3-dioxygenase (TDO) catalyze the initial and rate limiting step in the catabolism of tryptophan, which is related to tumor immune tolerance and poor prognosis in patients. In this regard, two enzymes have become important therapeutic targets for tumor immunotherapy. So far, nine IDO1 inhibitors and three IDO1/TDO dual inhibitors have entered clinical trials. This review summarizes the research progress of IDO1 inhibitors, TDO inhibitors and IDO1/TDO dual inhibitors from the perspective of medicinal chemistry.

Objective:To evaluate bone formation in human extraction sockets with absorbed surrounding walls augmented with Bio-Oss(R) and Bio-Gide(R) after a 6-month healing period by histologic and histomorphometric analyses.Methods:Six fresh molar tooth extraction sockets in 6 patients who required periodontally compromised moral tooth extraction were included in this study.The six fresh extraction sockets were grafted with Bio-Oss(R) particle covered with Bio-Gide(R).The 2.8 mm × 6.0 mm cylindric bone specimens were taken from the graft sites with aid of stent 6 months after the surgery.Histologic and histomorphometric analyses were performed.Results:The histological results showed Bio-0ss(R) particles were easily distinguished from the newly formed bone,small amounts of new bone were formed among the Bio-Oss(R) particles,large amounts of connective tissue were found.Intimate contact between the newly formed bone and the small part of Bio-Oss(R) particles was present.All the biopsy cylinders measurement demonstrated a high inter-individual variability in the percentage of the bone,connective tissues and BioOss(R) particles.The new bone occupied 11.54％ (0-28.40％) of the total area;the connective tissues were 53.42％ (34.08％-74.59％) and the Bio-Oss(R) particles were 35.04％ (13.92％-50.87％).The percentage of the particles,which were in contact with bone tissues,amounted to 20.13％ (0-48.50％).Conclusion:Sites grafted with Bio-Oss(R) particles covered with Bio-Gide(R) were comprised of connective tissues and small amounts of newly formed bone surrounding the graft particles.

Objective:To compare the bone dimensional changes following tooth extraction alone with extraction plus ridge preservation ( using deproteinized boving bone mineral Bio-Oss? and bioresorbable collagen mambrane Bio-Gide?) in periodontal compromised extraction sockets .Methods: Eighteen molars of sixteen subjects requiring tooth extraction because of periodontal destruction were enrolled in this study .The subjects were assigned to the control group ( extraction alone , EXT) or to the test group ( ridge-preservation procedure with Bio-Oss? and Bio-Gide?, RP) .Parallel periapical X-rays and cone-beam computed tomography ( CBCT ) scans were taken immediately after tooth extraction alone or plus ridge-preservation ( baseline ) and 6 months later .The changes of horizontal ridge width and vertical ridge height were assessed .Results:At the central buccal aspect , the ridge height increased 2 .9 mm in RP group, and reduced 1.0 mm in EXT group.At the distal buccal aspect , the ridge height increased 1.45 mm in RP group, and reduced 1.45 mm in EXT group.The differences between the groups reached statistical significance (P<0.05).The mean ridge width increased at the 1 mm below the crest (the horizontal ridge width was measured with grafting material at three levels at 1 mm below the most coronal aspect of the crest,HW1), which amounted to 3.40 to 5.80 mm in RP group, and 1.45 to 2.90 mm in EXT group.The mean ridge increased at the 4 mm below the crest ( the horizontal ridge width was measured with grafting material at three levels at 4 mm below the most coronal aspect of the crest ,HW4 ) , which amounted to 0.40 to 3.50 mm in RP group, and reduced 0.10 to increased 0.15 mm in EXT group.The test group and the control group were not significantly different (P>0.05).Conclusion:The ridge-preservation approach using Bio-Oss? in combination with Bio-Gide? can significantly increase vertical ridge height and horizontal ridge width after tooth extraction compared with extraction alone in periodontal compromised molars .

Objective To observe the changes of zymophagy during experimental acute pancreatitis (AP) induced by caerulein.Methods Pancreatic acinar cell line AR42J cells were cultured in 6-well plates till 90％ confluent and then divided into AP group and control group.Caerulein (1 × 10-8 mol/L) was added into AP group to establish AP cell model,and 1640 cell culture medium was added into control group.After caerulein treated for one,four,six,eight,12 and 24 hours,cells and cell culture supernatant were collected.The levels of cytokine interleukin (IL)-1,tumor necrosis factor (TNF)α,trypsinogen activation (TAP) and amylase were measured with enzyme-linked immunosorbent assay (ELISA) method.The expression of LC3 and Beclin1 at mRNA of each group were detected by reverse transcription-polymerase chain reaction (RT-PCR).The LC3B protein level of each group were detected by Western blotting.The changes of autophagosome and zymophagosome were observed by transmission electron microscopy.The difference between AP group and control group was analyzed by analysis of variance.Results The level of IL-1,TNFα,amylase and TAP in cell culture supernatant of control group was (18.83±7.10) pg/mL,(14.20±3.79) pg/mL,(10.03±2.85) U/L and (39.48±8.62) pg/mL,respectively.Those of AP group significantly increased at first hour ((62.13±11.25) pg/mL,F=3.32,P＜0.01 ; (30.98±7.11) pg/mL,F=3.05,P＜0.05; (25.06±6.82) U/L,F=2.90,P＜0.05 and (128.51± 18.30) pg/mL),F=2.62,P＜0.01,at fourth or sixth hour reached peak (IL-1 at fourth hour:(71.96± 15.82) pg/mL,F=7.25,P＜0.01;TNFα at sixth hour:(39.92±8.94) pg/mL,F=4.93,P＜0.05; amylase at fourth hour:(28.83 ± 8.31) U/L,F=2.06,P＜0.05; TAP at fourth hour:(146.29± 29.36) pg/mL,F=0.14,P＜0.01) and then gradually decreased.At fourth and sixth hour,the expression of LC3 at mRNA level in AP group was 3.18±0.82,1.71±0.14,respectively,while the expression of Beclin-1 rnRNA at first,fourth hour was 2.44±0.34 and 4.13±0.30,all of them were significantly increased compared with those of control group (0.21±0.04 and 0.30±0.08,LC3 mRNA F=0.79、0.06; Beclin mRNA F=2.31、0.36,all P＜ 0.05).There were no significant differences at other time points.The numbers of autophagosome and zymophagosome of AP group were significantly higher than those of control group under transmission electron microscopy.Conclusion Zymophagy occurred during AP cell model induced by caerulein,which suggested that zymophagy might involve in the mechanism of AP.

Objective To evaluate the inhibitory activity of Herba Taraxaci extract on Escherichia coli DH5α (E. coli DH5α) and to investigate proteomic response of E. coli. Methods Medicinal powder of Herba Taraxaci was extracted with the solvents of different polarity ( n-hexane, ethyl acetate, distilled water) , and then the obtained 8 different extracts were subjected to thin layer chromatography ( TLC) analysis. Microdilution method was performed to detect the minimum inhibitory concentration ( MIC) of different extracts and the growth curves were described. The protein expression profiles of E . coli treated with the extracts were analyzed by sodium dodecyl sulfate polyacrylamide gel electropheresis ( SDS-PAGE) and two dimensional electrophoresis (2-DE) . Results Water decoction of Herba Taraxaci could obviously suppress the growth of E. coli with a MIC of 1.95 mg/mL. The different extractions exhibited no antibacterial activity except ethyl acetate phase 3 with a MIC of 0.13 mg/mL, which was equal to 19.23 mg/mL of crude drugs. The results of TLC analysis showed that chlorogenic acid was undetectable in n-hexane extract and ethyl acetate phase 1 extract, and ethyl acetate phase 2 and 3 extracts showed obviously increased spots. The results of SDS-PAGE and 2-DE showed that water decoction of Herba Taraxaci had inhibitory effect on the expression of functional protein. The results of 2-DE showed that after treatment with ethyl acetate phase 3 at the concentration of 2 × MIC for 21 hours, the amount of protein spots were 92 less than those of the blank control group, the spots of E. coli DH5α soluble protein with expression amount down-regulated doubly were 24, and those with expression amount up-regulated doubly were 19. Ethyl acetate phase 3 extract had an effect on down-regulating the protein expression of E. coli DH5α soluble protein pH3-10, and water decoction of Herba Taraxaci had inhibitory effect on E. coli DH5αprotein expression. Conclusion Herba Taraxaci has significant antibacterial activity on E. coli DH5α, and the water-soluble fraction of chlorogenic acid and caffeic acid might be the active components. The possible antibacterial mechanism may be related with the regulation of bacterial protein expression.