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Journal of Korean Neurosurgical Society ; : 598-604, 2023.
Article in English | WPRIM | ID: wpr-1001275


Penetrating head injury is a serious open cranial injury. In civilians, it is often caused by non-missile, low velocity flying objects that penetrate the skull through a weak cranial structure, forming intracranial foreign bodies. The intracranial foreign body can be displaced due to its special quality, shape, and location. In this paper, we report a rare case of right-to-left displacement of an airgun lead bullet after transorbital entry into the skull complicated by posttraumatic epilepsy, as a reminder to colleagues that intracranial metal foreign bodies maybe displaced intraoperatively. In addition, we have found that the presence of intracranial metallic foreign bodies may be a factor for the posttraumatic epilepsy, and their timely removal appears to be beneficial for epilepsy control.

Chinese Journal of Experimental and Clinical Virology ; (6): 146-148, 2011.
Article in Chinese | WPRIM | ID: wpr-231166


<p><b>OBJECTIVE</b>To develop a system to rescue virus by intracellular expression of T7 RNA Polymerase.</p><p><b>METHODS</b>The gene of T7 RNA Polymerase was amplified and cloned to VR1012 by molecular biological technology. The expression plasmid VR-1a was then identified. VR-1a and EV71 infectious plasmid were co-transfected in Vero cell. CPE was observed and viral gene viral antigen were detected.</p><p><b>RESULTS</b>The gene of T7 RNA Polymerase was successfully cloned into vector VR1012. Vero cell developed to CPE after being transfected VR-1a and EV71 infectious plasmid. EV71 gene was amplified by RT-PCR from the culture. EV71 antigen was also detected by ELISA.</p><p><b>CONCLUSION</b>The method can be used to rescue virus. It could apply to immunologic research of EV71 DNA vaccine.</p>

Animals , Humans , Chlorocebus aethiops , DNA-Directed RNA Polymerases , Genetics , Metabolism , Enterovirus A, Human , Genetics , Physiology , Gene Expression , Genetic Engineering , Methods , Genetic Vectors , Genetics , Metabolism , HeLa Cells , Plasmids , Genetics , Metabolism , Transfection , Vero Cells , Viral Proteins , Genetics , Metabolism , Virus Replication
Chinese Journal of Experimental and Clinical Virology ; (6): 361-363, 2011.
Article in Chinese | WPRIM | ID: wpr-246239


<p><b>OBJECTIVE</b>To construct the recombinant plasmid containing S1 gene of new type of reovirus, and to study the expression of protein sigma1 in Vero cells.</p><p><b>METHODS</b>The recombinant plasmid, named pC-S, was constructed by cloning S1 gene into vector pCAGGS/MCS. Then Vero cells were transfected with pC-S and collected at 24, 48, 72 h post transfection followed by SDS-PAGE and Western-Blot assay.</p><p><b>RESULTS</b>Results both SDS-PAGE and Western-Blot assay indicated that sigma1 protein could be expressed well and the highest expression level was 72 h post transfection.</p><p><b>CONCLUSIONS</b>Sigma1 protein could be expressed well in Vero cells by transfected with recombinant plasmid containing S1 gene, and could give some implications for subsequent research on virus-host interactions.</p>

Animals , Chlorocebus aethiops , Gene Expression , Plasmids , Genetics , Metabolism , Recombinant Proteins , Genetics , Metabolism , Reoviridae , Genetics , Vero Cells , Viral Proteins , Genetics , Metabolism