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1.
Chinese Journal of Oncology ; (12): 229-231, 2005.
Artigo em Chinês | WPRIM | ID: wpr-331185

RESUMO

<p><b>OBJECTIVE</b>To investigate the expression and clinical significance of KISS-1 mRNA and GPR54 mRNA in endometrial carcinoma.</p><p><b>METHODS</b>The expression of KISS-1 mRNA and GPR54 mRNA in 32 patients with endometrial carcinoma, 10 patients with endometrial intraepithelial neoplasia (EIN) and 12 patients with normal endometrium was detected by reverse transcriptase polymerase chain reaction (RT-PCR).</p><p><b>RESULTS</b>The positive rate of KISS-1 mRNA in endometrial carcinoma, EIN and normal endometrium was 37.5%, 80.0% and 83.3% respectively (endometrial carcinoma vs EIN or normal endometrium, P < 0.05). The expression of KISS-1mRNA in patients with endometrial carcinoma was correlated with its clinical stage, myometrial invasion and lymph node metastasis (P < 0.05). In endometrial carcinoma, the more advanced clinical stage, the lower expression of KISS-1 mRNA was detected. The positive rate of GPR54 mRNA in endometrial carcinoma, EIN and normal endometrium was 78.1%, 70.0% and 66.7% respectively, with no significant statistical difference (P > 0.05). It was not correlated with the clinical stage, histology grade, myometrial invasion or lymph node metastasis (P > 0.05).</p><p><b>CONCLUSION</b>The interaction of KISS-1 and GPR54 may play an important role in inhibiting the invasion and metastasis of endometrial carcinoma.</p>


Assuntos
Adulto , Idoso , Feminino , Humanos , Pessoa de Meia-Idade , Adenocarcinoma , Metabolismo , Patologia , Neoplasias do Endométrio , Metabolismo , Patologia , Kisspeptinas , Metástase Neoplásica , RNA Mensageiro , Genética , Receptores Acoplados a Proteínas G , Genética , Receptores de Kisspeptina-1 , Proteínas Supressoras de Tumor , Genética
2.
Chinese Journal of Obstetrics and Gynecology ; (12)2001.
Artigo em Chinês | WPRIM | ID: wpr-682957

RESUMO

Objective To investigate the effects of RNA interference(RNAi)targeting human epithelial growth receptor-2(HER-2)gene on the invasive and chemotactic ability of SKOV3 cells. Methods Glyeeraldehyde-3-phosphate dehydrogenase(GAPDH)was used as the positive control. Lipofectamine 2000 mediated transient transfection was conducted to transmit the siRNA into SKOV3 cells. Three pairs of specifically targeted(HER-2 siRNA Ⅰ,HER-2 siRNA Ⅱ,HER-2 siRNA Ⅲ)sequence were selected in the coding region of HER-2 mRNA.Transfection of HER-2 siRNA was conducted with lipofeetamine 2000 in ovarian carcinoma cell line SKOV3.The HER-2 gene expression was assessed by real- time PCR and western blot assays.Changes of invasive and chemotaetie capacity of SKOV3 cells were measured by polycarbonates coated with or without matrigal.Results Western blot results showed that the expression of GAPDH protein was decreased in specifically transfected cells and with the increase of siRNA dose,the expression of GAPDH protein was decreased.GAPDH protein gray value in control group, different doses(0.5,1.0,1.5,2.0 ?g)GAPDH siRNA interference groups were 0.6855?0.0259,0.5698 ?0.0275,0.4542?0.0296,0.3341?0.0178 and 0.1816+0.0180,respectively.There was a significant difference in each group(F=198.126,P

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