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1.
Chinese Journal of Integrated Traditional and Western Medicine ; (12): 240-243, 2006.
Artículo en Chino | WPRIM | ID: wpr-331711

RESUMEN

<p><b>OBJECTIVE</b>To investigate the effects of Egb761, an extract of ginkgo biloba , and dipyridamole on inducible NO synthase (iNOS) in rabbits after myocardial ischemia-reperfusion injury.</p><p><b>METHODS</b>After being established into ischemia-reperfusion injury model, 35 rabbits were divided randomly into 5 groups: Group A (the sham group), Group B (the model group), Group C (treated with dipyridamole 0.8 mg/kg), Group D (treated with Egb761, 40 mg/kg), and Group E (treated with Egb761 40 mg/kg combined with dipyridamole 0.8 mg/kg), all the medications were administered by intravenous injection 30 min after reperfusion. After administration, myocardial iNOS mRNA expression was detected by RT-PCR and western blot.</p><p><b>RESULTS</b>Myocardial iNOS mRNA transcriptive expression in the 5 groups were A 0, B 157.11 +/- 17.73, C 202.6 +/- 21.84, D 356.13 +/- 24.18 and E 562.34 +/- 35.19 respectively, showing significant difference between the treated groups and group B (P <0.01). The translative expression of myocardial iNOS in the 5 groups were A 34.24 +/- 15.78, B 75.70 +/- 13.71, C 116.89 +/- 22.57, D 143.75 +/- 16.05 and E 195.09 +/- 22.25 respectively, showing significant difference between the treated groups and group B as well (P < 0.05, P < 0.01).</p><p><b>CONCLUSION</b>Both Egb761 and dipyridamole could increase myocardial iNOS expression in transcriptive and translative levels in rabbits after myocardial ischemia-reperfusion injury, and the combined treatment of them shows a more significant effect.</p>


Asunto(s)
Animales , Femenino , Masculino , Conejos , Dipiridamol , Usos Terapéuticos , Medicamentos Herbarios Chinos , Usos Terapéuticos , Ginkgo biloba , Daño por Reperfusión Miocárdica , Quimioterapia , Genética , Miocardio , Óxido Nítrico Sintasa de Tipo II , Genética , Fitoterapia , ARN Mensajero , Genética , Distribución Aleatoria , Transcripción Genética
2.
Chinese Journal of Cellular and Molecular Immunology ; (12): 313-314,340, 2001.
Artículo en Chino | WPRIM | ID: wpr-625075

RESUMEN

Aim To obtain the HCC cell lines which could coexpressed the B7.1 and SEA. Methods The positive clones expressing the B7.1 and SEA were screened by immunohistochemical staining. The amount of SEA in culture supernatant was detected by ELISA. Results HCC cell clones coexpressing B7.1 and SEA were obtained, and expression amount of SEA in culture supernatant reached 10~ 14× 10-8g/L. Conclusion The co-rec-ogenition immune effective system of SEA and B7.1 on HCC cells is established.

3.
Medical Journal of Chinese People's Liberation Army ; (12)2001.
Artículo en Chino | WPRIM | ID: wpr-553278

RESUMEN

To construct a eukaryotic vector and establish a gastric cancer cell model highly expressing zinc ribbon protein gene ZNRD1, ZNRD1 cDNA was inserted into multiple cloning sites of the pcDNA3 1 + with molecular cloning technique. The recombinant vector was identified by endonuclease digestion and transfected into SGC7901 cells by nucleus microinjection. Northern blot was used to detect the expression of ZNRD1 in cells. The results showed that ZNRD1 was successfully cloned into pcDNA3 1 + and microinjected into SGC7901. Therefore, a gastric cancer cell model highly expressing ZNRD1 has been established and can be used for further functional research of this gene.

4.
Progress in Biochemistry and Biophysics ; (12): 99-102, 2001.
Artículo en Chino | WPRIM | ID: wpr-411761

RESUMEN

To clone overexpressed gene from human gastric carcinoma cell SGC-7901, DDRT-PCR technique is used with human gastric epithelial cell GES-1 as control. After cloned into pGEM -T vector, YA61, one of the overexpressed genes, was analyzed by dot blot and was sequenced then. The sequence gotten was then compared to GenBank data and analyzed by NCBI ORF Finder. Dot blot results showed that the gene YA61 was overexpressed in human gastric carcinoma cell SGC-7901. NCBI's sequence similarity search indicated that the gene YA61 was a new gene sequence. Open reading frame analysis demonstrated that the gene YA61 had one complete open reading frame. In conclusion, the gene YA61 was a new gene sequence that was overexpressed in human gastric carcinoma cell SGC-7901.

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