0.05). ③All of the OSAHS patients suffered seri-ous lipid metabolic disorders. CONCLUSION ① Fatty infiltration in the pharyngeal tissue may lead to collapse of the pharyngeal airway during sleep. ②The epithelial cells of mucosa,endothelial cells of small vessels and glandular cells of minor salivary glands can potentially produce leptin. Leptin existing with Ob-Rb shows the peripheral action of leptin. The positive ex-pression of leptin and Ob-Rb had no significant differ-ence between the two groups, which may explain theectopic accumulation of lipid. ③ Disordered lipid me-tabolism may not be the determinant factor in the patho-genesis of OSAHS. ④ Endogenous hyperleptinemia may be the protective response to respiratory distur-bance and disordered lipid metabolism, and is also as-sociated with the continuous hypersympathetic activity. The level of leptin in plasma has a positive correlation with the severity of OSAHS.

Tumor cells and the tumor microenvironment interact through molecular and cellular mechanisms to promote tumorigenesis and tumor migration. The tumor microenvironment is important in tumorigenesis and tumor progression. Tumor-associated macrophages (TAMs), which are ones of the most inflammatory cells in the tumor microenvironment, have significant influence on tumor development. Tumor cells recruit macrophages by releasing chemokines, cytokines, and growth factors, and switch them into M2-type macrophages. Macrophages also release many factors which are important to some stages of tumor development, including tumor growth, angiogenesis, migration, invasion, and distant metastasis. TAM density is associated with treatment failure and poor prognosis in tumor patients. Great progress has recently been made in targeting TAMs for anti-tumor therapy. Strategies of targeting TAMs for anti-tumor therapy include suppression of macrophage recruitment, inhibition of TAM viability, reinstating the TAM phenotype, and transforming M2-type macrophages to M1-type macrophages. This article reviews the latest progress in the field based on TAM functions.

Replenishing qi, nourishing yin and activating blood circulation therapy is an effective treatment for diabetic nephropathy (DN) in traditional Chinese medicine (TCM). In this article, mechanisms of this therapy in DN were summarized, which included improvement of glucose and lipid metabolism, reducing inflammation and relieving renal fibrosis. And it provided theoretical supports for DN treatment with TCM.

Objective\ To introduce the speciality of pontine infaction in clinic and screenage.Method\ we made retrospective study on clinical data and image data of pontine infarction caused by BAD,and compared with the data of 31 patients with lacunar infarction in pontine.Result\ Clinical spetiality of BAD group:There are a few disturbance of consciousness,mainly the movement disturbance and dysarthria with ocular movement disturbance.Compared with the control group,there is difference between the two groups(P

Objective To explore the effects of different doses of 5,2′,4′-trihydroxy-6,7,5′-trimethoxyflavone nanoparticles (TTF1-NP)on the apoptosis of human hepatoma cells and human normal hepatocytes,and to explore their mechanisms through endoplasmic reticulum stress (ERS)-meditated apoptosis pathway. Methods The human hepatoma cell lines (HepG2,Hep3B and PLC/PRF/5)and human hepatocytes (Chang Liver)were used as cell model, and divided into vehicle, 5-Fu and TTF1-NP treated groups with the concentrations of 50, 100 and 200 μmol·L-1 respectively. The inhibitory effects of TTF1-NP on the cell growth were assessed using MTT assay and the best inhibitory one (HepG-2)was selected as the main research cell lines.Flow cytometry was used to detect the TTF1-NP-induced apoptosis;Western blotting and immunocytochemistry were used to determine the expressions of ERS key proteins.Finally,the expressions of key proteins were detected by Western blotting after using the ERS inhibitor 4-PBA.Results Compared with vehicle group,the inhibitory rates of growth of 4 kinds of human hepatoma cells in different concentrations of TTF1-NP groups were increased (P <0.05 or P <0.01);moreover,the inhibitory effects of TTF1-NP were in a time-and dose-dependent manner.Compared with vehicle group,the apoptotic rates of the cells in TTF1-NP groups were increased in a dose-dependent manner (P <0.05 or P < 0.01 );the expression levels of ERS key proteins GRP78 and caspase-4 were increased with the increasing of the concentration of TTF1-NP (P < 0.05 or P < 0.01).The expression levels of ERS key proteins GRP78 and caspase-4 induced by TTF1-NP were inhibited by ERS inhibitor 4-PBA (P < 0.05 or P < 0.01 ). Conclusion TTF1-NP can induce the apoptosis of HepG2 cells;ERS pathway plays a central role in TTF1-NP-induced apoptosis of HepG-2 cells.

15 cases of large venous malformations in oral and maxillofacial region involving in multiple anatomical sites were treated by suture ligation and injection of pingyangmycin oleum iodisatum emulsion(PLE) for 2-5 times.Treatment effect of grade Ⅳ was observed in 12 cases,grade Ⅲ in 3 cases.No severe systemic adverse reaction and no local adverse reation were obseved in all cases.Suture ligation and PLE injection can enhance the therapeutic effect and reduce the adverse reactions in the treatment of large venous malformations of the oral and maxillofacial region.

Objective:To evaluate the influence of the implant-supported porcelain bridges made from non-precious metals using spark erosion techniques, and to discuss the feasibility and details of making the implant restoration by spark erosion technique.Methods: The study included 12 patients ( 9 males and 3 females) with 92 units implant-supported non-precious porcelain bridge from Sep.2011 to Feb. 2013.All the patients received implant treatment in Department of Oral Implantology, Peking University School and Hospital of Stomatology.The total of 52 implants, were from Nobel Biocare implant system, Camlog implant system and Ankylos implant system.The implant analogs were connected in sequence with a copper wire to guarantee conductivity.The implant electrodes represented one electrode and the superstructure the other.During spark-erosion machining, the cast holding the implant electrodes and the prosthetic framework were moved toward one another, causing an electrical erosion of the protruding ele-ments.Results:After the spark-erosion machining, the minimum gap between the framework and abut-ment was 0.21 mm, which was two units bridge.The maximum was 2.59 mm, which was 11 units bridge with 6 implants.The average gap was 0.68 mm.After the spark-erosion machining, the bridge fitted well with the passive position stability.Conclusion: The method of making implant-supported non-precious porcelain bridge reduces costs on patients.Spark erosion has the potential to provide implant framework with an excellent fit.The patients are satisfied with the clinical results.

Nowadays,with the introduction of the concept of minimally invasive surgery,laparoscopic surgery which occupied the mainstream operation method,vaginal surgery,and abdominal surgery were three main ways of gynecological surgery.Hysterectomy operation method as the routine operation of gynecology was changed as well.Laparoscopic hysterectomy has replaced transvaginal hysterectomy and transabdominal hysterectomy gradually.Historical development,operation indication,and advantages and disadvantages of hysterectomy are summarized in this article.

ABSTRACT:Objective To prepare polymeric nanomicelles capable of simultaneously loading doxorubicin (DOX) and Bcl‐2 small interfering RNA (Bcl‐2 siRNA ) , and to explore their in vitro cytotoxicity and cellular uptake in MCF‐7 human breast cancer cells .Methods Copolymer poly (ethylene glycol )‐g‐polyethylenimine‐g‐poly(γ‐benzyl‐L‐glutamate) was synthesized by the combination of reductive amination and carbodiimide methods , and its chemical structure was verified by 1 H NMR .Empty and drug‐loaded copolymeric nanomicelles were prepared by dialysis method and characterized by transmission electron microscope and dynamic light scattering .The ability of the nanomicelles to compress Bcl‐2 siRNA was measured by by agarose gel electrophoresis method . The release profiles of DOX and Bcl‐2 siRNA from the nanomicelles were explored by means of fluorescence spectrometry and dialysis method .The in vitro cytotoxicity and cellular uptake of DOX and Bcl‐2 siRNA co‐loaded nanomicelles in MCF‐7 human breast cancer cells were characterized by MTT assay and confocal laser scanning microscopy , respectively .Results The critical micelle concentration of the copolymer was about 4 mg/L ,and the sizes of self‐assembled empty and drug‐loaded nanomicelles were smaller than 200 nm .The drug‐loading efficiency and drug‐loading content of DOX in the nanomicelles were 88 .7% and 15 .1% ,respectively .The DOX‐loaded nanomicelles could efficiently compress Bcl‐2 siRNA when an N/P ratio was ≥64 .The zeta potential of DOX and Bcl‐2 siRNA co‐loaded nanomicelles was +30 mV .The release behavior of the cargoes from the nanomicells was pH‐sensitive , and the release of Bcl‐2 siRNA was more sensitive to acidic pH than that of DOX . The nanomicelles could simultaneously deliver DOX and Bcl‐2 siRNA into MCF‐7 cells , and the co‐delivered DOX and Bcl‐2 siRNA significantly increased the cytotoxicity of DOX (P<0 .05) .Conclusion The polymeric nanomicelles can co‐load DOX and Bcl‐2 siRNA and deliver them into MCF‐7 cells , and DOX in combination with Bcl‐2 siRNA can synergistically inhibit the growth of MCF‐7 cells and promote cell apoptosis ,suggesting that the nanomicells may be a promising carrier for the co‐delivery for chemotherapeutics and genes .

Objective To understand the distribution and antimicrobial resistance of pathogenic bacteria isolated from patients in the department of infectious diseases in Xiangya Hospital.Methods The distribution and antimicrobial susceptibility testing results of pathogenic bacteria isolated from patients in this department in 2011 -2015 were analyzed retrospectively.Results A total of 560 strains were isolated during 5 years,of which gram-posi-tive bacteria and gram-negative bacteria accounted for 44.1 % (n =247)and 55.9%(n =313)respectively.69.8%(81/116)of coagulase-negative staphylococcus and 24.3%(9/37)of Staphylococcus aureus were methicillin-resistant (MRCNS,MRSA)respectively.Enterococcus was highly susceptible to vancomycin,linezolid,and phosphonomy-cin (>81 %).Enterobacteriaceae remained highly susceptible to carbapenems (88.9%-100.0%),and was suscep-tible to amikacin,cefoperazone/sulbactam,and piperacillin/tazobactam (>84%).Acinetobacter baumannii was the major isolated multidrug-resistant organism (MDRO),isolation rate of imipenem-resistant Acinetobacter baumannii increased from 50.0% in 2011 to 77.8% in 2015,its resistance rate to imipenem was 64.9%.Conclusion The majority of clinically isolated pathogenic bacteria from this department is gram-negative bacilli,and detection rate of MDROs showed an upward trend;antimicrobial agents should be chosen according to distribution and antimicrobial resistance of pathogenic bacteria.