The hospital culture conveying is a necessary component of hospital culture construction and is a very important work. The spreading out of hospital culture must be persisted, and be sure to embody the hospital culture features, furthermore, the exact carriers should be chosen according to different hospital situation.

[Objective]To analyze the results of distal tibial pilon fractures treated with individual management based on severity of soft tissue injury.[Method]From January 2005 to September 2008,29 Pilon fractures were treated.There were 22 males and 7 females aging from 23 to 63,with an average of 41.4.According to Ruedi-Allgower classification system of Pilon fracture,16 cases were type Ⅱ,13 type Ⅲ.According to Tscherne-Gotzen graduation system of soft tissue injury,22 cases were close fracture,8 grade 0,4 grade 1,8 grade 2,2 grade 3,and 7 cases were open fracture,3 grade 1,2 grade 2,2 grade 3.Individual management was based on severity of soft tissue injury.[Result]All patients were available for follow-up at an average of 28.6 months(range,12 to 56 months) after surgery.There were 10 excellent,13 good,4 fair,and 2 poor results according to the ankle score of Mazur.The complications occurred in 5 patients(17.2%),including wound superficial infection(n=2),skin necrosis(n=1),deep infection(n=1),and pin tract infection(n=1) with external fixation.[Conclusion]Individual management based on severity of soft tissue injury for Pilon fracture has advantages of fewer complications and good function.

Objective To summarize the cause and the level change of laboratory indicators in children with hemphagocytic lym‐phohistiocytosis(HLH) .Methods Retrospectively analyze the cause and the diagnose features of the 13 HLH patients .Results The first symptom of the desease was hyperpyrexia as well as the hepatosplenomegaly and the lymphadenectasis .Then it went with the peripheral cytopenia in two or three lineages ,different degrees of the liver dysfunction and the coagulation abnormalities .The number of histiocytes increased and hemophagocytic macrophages were found in bone marrow .It also showed that the elevated ser‐um triglycerides ,serum ferritin ,lactate dehydrogenase and glutamic‐pyruvic transaminase and decreased fibrinogen in laboratory findings .Conclusion Cytopenia(in two or three lineages ,especially the platelet) ,the elevated serum triglycerides ,serum ferritin , lactate dehydrogenase ,glutamic‐pyruvic transaminase ,decreased fibrinogen and the hemophagocytic macrophages in bone marrow (≥1% ) are important indicators in hemphagocytic lymphohistiocytosis diagnosis ,which could help us know the change of the HLH laboratory features better and diagnose the disease correctly .

OBJECTIVEThis study measures the glutaredoxin (Grx) gene and protein expression in umbilical vein endothelial cells upon exposure to Porphyromonas gingivalis (P. gingivalis) lipopolysaccharide (LPS). The involvement of the Akt-signaling pathway is also determined.

METHODSEA-hy926 cells were pretreated with 1,000 ng · mL⁻¹ P. gingivalis LPS for 4, 12, 18, and 24 h, and then real-time reverse transcription polymerase chain reaction was employed to detect Grx1 expression. The effect of Grx on Akt activity was investigated using Western blot for the control, LPS (1,000 ng · mL⁻¹ LPS), and carmus- tine (BCNU) groups (1,000 ng · mL⁻¹ LPS, and the EA-hy926 cells were pretreated with 25 μmol · ml⁻¹ BCNU for 30 min).

RESULTSGene expression of Grx1 significantly increased in LPS group compared with that in the control group. The Grx1 expression reached the peak level in 12 h, and the variation between the expression in 4 and 12 h was significant (P < 0.05). After 12 h, the protein levels of Grx and phosphorylated-Akt (p-Akt) significantly increased in the LPS group (P < 0.05), whereas the BCNU group showed a considerable decrease in both Grx and p-Akt expression levels (P < 0.05). Moreover, a slight difference was observed in the total Akt protein levels in the three groups (P > 0.05).

CONCLUSIONGrx expression increased upon exposure of EA-hy926 cells to the LPS. Akt activity could be inhibited by BCNU (a Grx inhibitor), which indicated that Akt might act as a downstream regulator of Grx.

Endothelial Cells ; Glutaredoxins ; genetics ; Humans ; Lipopolysaccharides ; pharmacology ; Oxidative Stress ; drug effects ; Phosphorylation ; Porphyromonas gingivalis ; pathogenicity ; Proto-Oncogene Proteins c-akt ; drug effects ; Signal Transduction ; drug effects ; Umbilical Veins

Animals ; Feasibility Studies ; Female ; Mice ; Mice, Inbred BALB C ; Plethysmography ; methods ; Tidal Volume ; physiology

Breast Neoplasms ; therapy ; Consensus ; Female ; Humans ; Neoadjuvant Therapy

Adolescent ; Anemia, Aplastic ; drug therapy ; immunology ; Antilymphocyte Serum ; administration & dosage ; adverse effects ; Child ; Child, Preschool ; Drug Hypersensitivity ; etiology ; Female ; Humans ; Immunosuppressive Agents ; administration & dosage ; adverse effects ; Infant ; Male ; Retrospective Studies ; Serum Sickness ; chemically induced ; T-Lymphocytes ; immunology ; Treatment Outcome

Objective To study the expression of PI3K and Akt mRNA in acute leukemia(AL) and chronic myelocytic leukemia (CML) and try to find out a relationship between the prognostic significance of acute leukemia and the expression level of PI3K and Akt. Methods The samples were collected from 63 ALpatients, 7 relapsed AL patients, 14 CML patients and 10 AL patients in complete remission(CR) patients, 11samples of normal controls(NC). The expression of PI3K, Akt mRNA were measured by semi-quantity reverse transcription polymerase chain reaction(RT-PCR). Results The expression of PI3K mRNA in AL and relapse group were significantly higher than that in normal control. In CML, the P13K mRNA expression level was higher than that in NC and CR. The similar results of the expression of Akt mRNA were observed in CML, NC and CR. At the same time, the expression level of Akt mRNA in relapse group was significantly higher than that in NC. The complete remission rate in PI3K (+) was lower than that in PI3K (-). Similar result was obtained in Akt (+) and Akt (-). Conclusion The PI3K/Akt pathway may contribute to the occurrence of leukemia. The patients with positive expression of the members of this pathway had a lower remission rate.

Objective To investigate the effects of leptin on Th17 cells and the possible mechanism. Methods The leptin-deficient ( ob/ob) mice and their homologous wild-type mice were used in the study.The percentages of Th17 cells in peripheral blood samples, spleen tissues and lymph nodes were measured by flow cytometry ( FCM) analysis.The splenic CD4+T cells, separated from the ob/ob mice and the wild-type mice by using magnetic beads,were respectively cultured with leptin at various concentrations and with anti-leptin neu-tralization antibody to evaluate the effects of leptin on Th17 cells.The quantitative real-time PCR was performed to analyze Th17 cell-related cytokines at transcriptional levels.The levels of IL-6 and IL-17A in the supernatants of CD4+T cell culture were measured with Luminex technology.Results Compared with the wild-type mice, the ob/ob mice showed lower percentages of Th17 cells in both peripheral blood samples and spleen tissues (0.49%±0.03%vs 1.29%±0.1%, 1.56%±0.22%vs 2.47%±0.11%).There was a decrease in the percentages of Th17 cells upon the in vitro treatment of CD4+T cells from wild-type mice with anti-leptin antibody.The per-centages of Th17 cells were increased in a dose-dependent manner upon the in vitro treatment of CD4+T cells from ob/ob mice with leptin.Moreover, the levels of IL-17A and IL-6 and the transcriptional levels of RORγt, IL-17A and IL-6 in leptin deficiency group were lower than those of wild-type group, but were increased upon the treatment with leptin.No significant difference with the transcriptional levels of TGF-βand IL-23 was ob-served between the two groups with and without intervention.Conclusion Leptin deficiency seriously hampered the generation of Th17 cells in mice and resulted in a decreased expression of RORγt, IL-17A and IL-6 at mRNA level.The treatment of CD4 T cells with leptin might promote the generation of Th17 cells through up-regulating the transcription of RORγt and IL-6.

Objective To investigate the effects of different doses of rosuvastatin on expression of liver X receptor(LXR) and caveolin-1 in cultured human monocyte-macrophage cells which induced by oxidized low density lipoprotein (ox-LDL).Methods The human monocyte-macrophage cells were divided into six groups:control group,ox-LDL group,different doses of rosuvastatin group (0.01 μmol/L,0.1 μmol/L,1 μmol/L,5 μmol/L).The expression of LXR mRNA and caveolin-1 mRNA were assayed by RT-PCR.Results LXR mRNA expression induced by ox-LDL in the control group and ox-LDL group were 1.00 ± 0.02,0.26 ± 0.02,and the difference was significant (t =56.39,P ＜ 0.001).Meanwhile,caveolin-1 mRNA expression in ox-LDL is (0.27 ± 0.01) fold than that in control (t =31.27,P ＜ 0.001).Meanwhile,There were significant differences among ox-LDL group and the different doses of rosuvastatin group in terms of LXR mRNA and caveolin-1 mRNA expressions (F =72.154,66.007,P ＜ 0.001).Along with the increase the doses of rosuvastatin,there was an increased trends of LXR mRNA and caveolin-1 mRNA expressions (P ＜ 0.05).Conclusion Rosuvastatin and upregulated the LXR mRNA and caveolin-1 mRNA expressions in a dose dependent manner.