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1.
Article in Chinese | WPRIM | ID: wpr-514946

ABSTRACT

BACKGROUND: Although clinical methods for autologous peripheral blood stem cell separation and identification arerelatively more, there is no unified standard. Moreover, little is reported on immune effects on lung adenocarcinomaduring autologous peripheral blood stem cell transplantation.OBJECTIVE: To study the effect of autologous peripheral blood stem cell transplantation on immunological function oflung adenocarcinoma rats by exploring the separation and identification methods of autologous peripheral blood stemcells.METHODS: The mononuclear cells were isolated from the peripheral blood of Wistar rats by density gradientcentrifugation method and then identified. Eighteen Wistar rats were randomly divided into routine treatment group andcell transplantation group, with nine rats in each group. Animal models of lung adenocarcinoma were established in therats, and underwent no treatment in the routine treatment group but injection of autologous peripheral blood stem cellsuspension (0.2 mL, 2.5×106/L) via the tail vein in the cell transplantation group. Immune indicators were detected in twogroups after treatment. Three rats from each group were anesthetized and scarified at 4, 10, 14 days after treatment,respectively. Afterwards, we detected the effects of autologous peripheral blood stem cell transplantation onimmunological function of lung adenocarcinoma rats.RESULTS AND CONCLUSION: Newly isolated mononuclear cells from rat peripheral blood showed a round or ovalshape and were relatively small in size. After 5 days of culture, autologous peripheral blood stem cells grew rapidly, andthe round cells began to spread to both ends and became spindle-shaped, thereby forming small colonies. Autologousperipheral blood stem cells induced in vitro experienced three stages successively: cell arrest, logarithmic and plateauphases. Flow cytometry showed that sorted cells were identified as autologous peripheral blood stem cells by expressingCD90, CD133 and Flk-1. After 4, 10 and 14 days culture, the expression of CD133 increased first and then descended,and Flk-1 showed an increasing trend. Compared with the routine treatment group, the expression of tumor necrosisfactor-α induced protein 6 in the cell transplantation group was significantly higher (P < 0.05), while the expression ofnuclear factor κB was significantly lower (P < 0.05). In conclusion, the isolation and identification methods of autologousperipheral blood stem cells are simple and can be used to secrete a large number of nutritional factors in the treatment oflung adenocarcinoma, which can enhance body immunity in the treatment.

2.
Article in Chinese | WPRIM | ID: wpr-617186

ABSTRACT

Objective To develop a high stability and wide coverage network with power cat technology to promote hospital informatization.Methods The common network layout methods were compared,and the advantages of power cat technology were introduced when used for network layout.A series or parallel connection method was used to lay the power cat in the existing power line,and to achieve the full coverage of the hospital network.Results Power cat technology gained advantages in high efficiency,low cost and high stability when used for network layout.Conclusion A stable,economic and convenient network is constructed in the hospital with power cat technology.

3.
China Pharmacy ; (12): 4978-4980, 2015.
Article in Chinese | WPRIM | ID: wpr-500734

ABSTRACT

OBJECTIVE To observe therapeutic efficacy and safety of transcatheter arterial chemoembolization (TACE) com-bined with high intensity focused ultrasound (HIFU) in the treatment of middle and advanced primary hepatocellular carcinoma (HCC). METHODS:76 patients with middle and advanced primary HCC were randomly divided into treatment group(36 cases) and control group(40 cases). Control group was given TACE alone,and treatment group was additionally given HIFU 2-3 weeks after TACE. Clinical efficacy,the content of alpha-fetoprotein(AFP)before and after operation,survival rate,survival period and ADR were compared between 2 groups. RESULTS:The efficiency rate and total effective rate of treatment group were 61.1% and 94.4%,which were significantly higher than those of control group(35.0%,77.5%),with statistical significance(P0.05). No obvious ADR was found in 2 groups. CONCLUSIONS:Com-pared with TACE alone,TACE combined with HIFU in the treatment of middle and advanced primary HCC can improve long-term survival rate and the short-term efficacy,with good safety.

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