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find Author "LIU Jianmin" 2 results
  • TREATMENT OF BRAIN ISCHEMIC STROKE BY CO-TRANSPLANTATION OF NEURAL STEM CELLS AND ENDOTHELIAL PROGENITOR CELLS

    Objective To discuss the feasibility of treating the brain ischemic stroke by the co-transplantation of the neural stem cells(NSCs) and the endothelial progenitor cells(EPCs). Methods The original biomedical articles concerned with the treatment of the brain ischemic therapy by the use of the NSCs and the EPCs were extensively reviewed as well as retrieved and analyzed. Results The review revealed that the NSCs and the EPCs could migrate to the injured area due to brain ischemic stroke, the environment of the local microcirculation could induce the neurogenesis and the vasculogenesis to repair the injury, and the neurogenesis and vasculogenesis could promote each other. Conclusion The co-transplantation of the NSCs and the EPCscan represent a new promising strategy formore effectively solving the two difficult problems of the neural cell loss andthe vascular obstruction caused by the brain ischemic stroke.

    Release date:2016-09-01 09:22 Export PDF Favorites Scan
  • Clinical Significance of Angiogenesis in Primary Gallbladder Carcinoma

    ObjectiveTo discuss the relationship between angiogenesis and the clinical pathological characteristics, prognosis in primary gallbladder carcinoma (PGC ). MethodsThe specimens of 42 patients with PGC who underwent operation during 1993 and 1996 were collected. The immunohistochemical staining was performed in these specimens through SABC manner. Angiogenesis was represented by intratumor microvessel count (MVC ) and expression of vascular endothelial growth factor (VEGF ).ResultsIn all the patients, the average MVC was 70.4±20.7, and the VEGF positive expression rate was 69.0%. The mean MVC was 57.9±15.4 in the tumor of histograde Ⅰ and Ⅱ, and was 88.8±11.5 in another group of grade Ⅲ and Ⅳ respectively. The mean MVC was 45.0±17.0 in the cases of Nevin stage Ⅰ, Ⅱ and Ⅲ, and was 77.2±16.0 in the other cases of Nevin stage Ⅳ and Ⅴ. There were significant differences between two groups. VEGF expression positive rate was correlated with grade and stage, in the patients with poordifferentiated grade and late stage the MVC was significant higher. The expression of VEGF was markedly correlated with MVC. The 3year survival rate was significant lower in the group of high MVC or VEGF positive expression. Conclusion Manifold VEGF secretion in PGC may increase the MVC value, and accelerate the tumor advance and metastasis. Angiogenesis may be considered as an effective predictor to the prognosis of the primary gallbladder carcinoma.

    Release date:2016-08-28 05:11 Export PDF Favorites Scan
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