RESUMO
<p><b>OBJECTIVE</b>To investigate the effect of solanine on the growth of human prostate cancer cell xenograft in nude mice.</p><p><b>METHODS</b>Human prostate cancer Du145 cells were injected into the subcutaneous layers on the back of nude mice. After a week, the mice bearing subcutaneous tumor graft were randomly divided into solanine treatment group and saline control group for treatment for 3 weeks. The tumor grafts were then harvested to evaluate the inhibition rate. The mRNA and protein expressions of cell cycle-related genes in the tumors were detected by qRT-PCR and Western blotting, respectively, and tumor cell apoptosis was detected using TUNEL method.</p><p><b>RESULTS</b>The tumor growth rate in solanine-treated group was significantly slower than that in the control group (P<0.01). The mRNA and protein expressions of C-myc, cyclin D1, cyclin E1, CDK2, CDK4 and CDK6 were significantly inhibited by solanine. Solanine significantly up-regulated p21 mRNA and protein expression in the tumors and induced a higher apoptosis rate of the tumor cells than saline (P<0.01).</p><p><b>CONCLUSION</b>The tumor-inhibition effect of solanine is probably mediated by regulating the expressions of genes related with G1/S cell cycle arrest and cell apoptosis.</p>
Assuntos
Animais , Humanos , Masculino , Camundongos , Apoptose , Quinases Ciclina-Dependentes , Metabolismo , Ciclinas , Metabolismo , Pontos de Checagem da Fase G1 do Ciclo Celular , Camundongos Nus , Transplante de Neoplasias , Patologia , Neoplasias da Próstata , Tratamento Farmacológico , Patologia , Fase S , Solanina , FarmacologiaRESUMO
<p><b>OBJECTIVE</b>To evaluate the efficacy of B-ultrasound-guided aspiration and sclerotherapy with 2% iodophor for treatment of renal cysts.</p><p><b>METHODS</b>Twenty-eight cases of sympotomatic renal cysts were treated with B-ultrasound-guided aspiration followed by sclerotherapy with 2% iodopher, which was maintained for 20 min. After extraction of iodopher, another injection of 2% iodopher (5-10 ml) into the cysts was given. The patients were followed up for 6 months to 18 months.</p><p><b>RESULTS</b>Full recovery was achieved in 25 cases and improvement in 2 cases. Recurrence was found in 1 case after the treatment.</p><p><b>CONCLUSIONS</b>B-ultrasound-guided aspiration and sclerotherapy with 2% iodophor is safe, minimally invasive, and highly effective for treatment of symptomatic renal cysts.</p>