Issues of Chinese medical health reform are analyzed and approached associated with the US federal medical health system. We made the suggestions that establish the public health service system covering both urban and country residents, push on the reform of medical insurance, drug circulation and medical system. We advocate that implement the scientific development view and hold the opportunity, impel the medical health reform in general.

Angiogenesis is one of the important pathological characteristics in the development of tumor growth. Hence ,an?ti-angiogenes is has become a hot topic in the field of cancer research. The current strategy for anti-angiogenesis therapy is to restore the angiogenic balance which is broken in the tumor via either block of proangiogenic factorsor application of angiogenic inhibitors. Endogenous angiogenic inhibitors show more promising prospects compared with proangiogenic factor antagonists. However ,the un?derlying mechanisms for the angiogenic inhibitors remain to be thoroughly elucidated. There are two kinds of endogenous angiogenic inhibitors,one is the hydrolyzed fragments of precursor protein,such as plasminogen Kringle 5(K5),angiostatin/kringle 1~4,end?ostatin,etc;the other is cell secreted proteins,such as pigment epithelium-derived factor(PEDF),kallikrein-binding protein (KBP/kallistatin),antithrombin,etc. Here we summarized the research progresses on the biological functions,underlying mecha?nisms of tumor angiogenesis and application prospects of K5,PEDF,and KBP,so as to provide insights into the antiangiogenic ther?apies of tumor in the future.

Carbon nantubes composites draws more and more attention these days. Its application provides new potential for the reinforcement and toughness of dental ceramic. In this paper, the properties of carbon nanotube, carbon nanotube based ceramic composites and its mechanics of toughness, and the future trend of carbon nanotube in dental ceramic material, have been reviewed.

Objective To study the effect of probiotics on the change of intestinal permeability and inflammatory reaction after surgery of colorectal cancer.Methods Sixty patients who underwent colonic surgery were randomly divided into two groups:probiotic group and control group,with 30 cases in each group.Each group received nutritional support of the same nitrogen and calorie from day 3 to day 7 after operation.The patients in probiotic group were orally administrated probiotic(2 g/d)from the first day after surgery for 7 days.Every patient's body temperature and heart rate were observed after operation,and white blood cell counts were observed before operation and on day 1,5,8 after operation.The levels of microbial DNA in whole blood and plasma D-lactate,and urine lactulose/mannito(L/M)ratio were measured before operation and on day 1 and day 8 after operation,respectively.In addition,the occurrence of postoperative systemic inflammatory response syndrome(SIRS)and complications of inflammation were closely observed.Results The average heart rate in postoperative 5 days was significantly lower in probiotics group than that in control group(P0.05).Conclusion Probiotics can decrease intestinal permeability and maintain the intestinal barrier function after operation.It may be helpful for the recovery of patients with early inflammatory response after surgery of colorectal cancer.

Triple negative breast cancer (TNBC) is characterized by lack of expression of the estrogen (ER)and progesterone receptors (PRs) and the human epidermal growth factor receptor (HER-2) that are commonly observed in other breast cancer subtypes.Treatment options are limited since the hormonal receptor and HER-2 antagonists are ineffective for TNBC.In contrast to non-TNBC,TNBC is more aggressive with higher recurrence,metastatic,and mortality rates.Besides further studies on cytotoxic drugs and chemotherapy regimens,More studies on potential targeted molecular treatment of TNBC should be strengthened.For the moment,potential targeted molecular treatment of TNBC including antiangiogenic agents,epidermal growth factor receptor (EGFR) inhibitors and poly (adenosine diphosphate ribose) polymerase (PARP).In contrast to their surprising anti-tumor effectivness in basic experiments,these targeted molecular agents show no promising results in clinical trials by now.This article aims to review advancements of targeted molecular treatment of TNBC in recent years.

Chronic kidney disease-mineral and bone disorder (CKD-MBD) refers to a series of clinical symptoms and biochemical and imaging abnormalities caused by minerals and calcium phosphorus metabolic disorder,which is associated with chronic kidney disease (CKD).Since 2006 ,the concept of CKD-MBD was put forward for the first time,doctors are increasingly paying more attention to it.This review introduces the epidemiological characteristics, clinical manifestation, examination methods, diagnostic criteria and the research progress of treatment and prevention of CKD-MBD.

Objective To discuss the indication and safety of vaginal birth after cesarean .Methods Prospective analysis was clone the 63 cases of successful vaginal delivery from scarred uterus during Jan 2009 to Dec 2012 in this hospital .Results Intensive observation revealed 21 successful cases of vaginal delivery without occurrence of uterus rupture or neonatal suffocation .Postpartum hemorrhage occurred only once .Conclusion Vaginal birth after cesarean is safe as long as its indication is strictly controlled .

BACKGROUND: Self-repairing capability of articular cartilage tissue is poor, due to lack of the distribution of vessels and lymph.OBJECTIVE: To concisely describe the research progress of autologous chondrocyte implantation (ACI), including matrix-induced autologous chondrocyte implantation (MACI), in vivo scaffolds, and related tissue engineering technologies, and to prospect the future developments.METHODS: A search across the databases of ISI Web of Knowledge and PubMed (1979 to February 2009) was performed, with key words of "articular cartilage, transplantation, stern cells, tissue engineering". As well, a search in the database of CNKI (1979 to Febraruy 2009) was performed with the key words of "articular cartilage, repair, tissue engineering". Contents referring to ACI,MACI, in vivo scaffolds and related tissue engineering technologies were included, while contents regarding to the clinical imaging of articular cartilage defects, intracellular signaling pathways in chondrocytes, or gene therapy for articular cartilage defects were excluded.RESULTS AND CONCLUSION: 824 articles were obtained from the preliminary search across the databases. Based on the nominated evaluation criterions to the outcome, analysis focusing on ACI, MACI, in vivo scaffolds and related tissue engineering technologies was performed. As the most successful treatment for articular cartilage defects in the past decade, ACI has undergone a significant development. Recent improvements of ACI include MACI, in vivo scaffolds and related tissue engineering technologies, which exhibit relatively more success in engineering and clinical practice. Nonetheless, limitations still exist and therefore, further researches are required. As a promising alternative of ACI, MACI is more and more widely used in clinical practice for treating articular cartilage defects these years. The long-term curative effect of MACI, however, requires further clinical data to confirm. In addition, other improvements of ACI, in terms of material science, cytology and molecular biology, have been also provided by the developments of in vivo scaffolds and related tissue engineering technologies.

Objective:To explore the effect of Shenfu Injection (SFI) on expression of Heme oxygenase-1 (HO-1) and iNOS (inducible nitric oxide synthase) in renal failure rats induced by intestinal ischemia-reperfusion (IR) and its possible mechanism. Methods:The model of intestinal ischemia-reperfusion was induced by clamping superior mesenteric artery for one hour and then releasing the arterial clamp for six hours. Wistar rats were randomized into three groups:IR+normal saline group,IR+SFI group and control group (C group). The serum creatinine and blood urea nitrogen were observed respectively. Expression of HO-1 and iNOS in rat kidney tissue was detected by immunohistochemitry and morphometry computer image analysis. The histological change of kidney was observed under light microscope. Results:①Compared with C group,expression of HO-1 and iNOS increased markedly in IR+ normal saline group (P

Objective To prepare monoclonal antibody (mAb) against recombinant human cardiac troponin I(cTnI).Methods The full-length gene encoding human cardiac troponin I (cTnI) was synthesized chemically and inserted into expression plasmid pBV220 to construct recombinant plasmid p pBV220/cTnI. The recombinant plasmid was transformed into E.coli DH5? which then expressed cTnI. The immunological activity of the expressed cTnI was analyzed by Western blot. Recombinant human cTnI protein was used as antigen to immunize BALB/c mice. Monoclonal anti-bodies against cTnI were prepared by normal hybridoma technology. The relative affinity of mAbs was determined by ELISA. Specificity of mAbs was analyzed by Western blot.Results Human cTnI gene was synthesized and confirmed by DNA sequencing. Positive recombinant clones were identified by restriction enzyme digestion analysis and DNA sequencing. Western blot analysis showed that the cTnI protein could be recognized by an anti- cTnI antibody. Two hybridmas producing antibodies against cTnI were obtained. IgG isotypes of two mAbs were IgG2a and IgG2b. Western blot showed that the antibodies were specific for cTnI. Neutralisation test showed that these mAbs could be evidently neutralized by cTnI.Conclusion The recombinant expression plasmid of cTnI was constructed successfully and expressed in E.coli. The method of EL ISA established to test serum cTnI is to clinically useful. The cTnI mAb which using cTnI as antigen prepared in this paper can be used for cTnI immunoassay in vitro.