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1.
Onco Targets Ther ; 12: 3595-3607, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31190862

RESUMO

Background: miR-106b has been reported to play a vital role in pathogenesis of some types of cancer, whilst the role of miR-106b in renal carcinoma cancer (RCC) remains unknown. Purpose: The objective of this study was to identify the mechanism of miR-106b regulating the progression of renal carcinoma. Method: The expression of miR-106b was analyzed in RCC cell lines, RCC and adjacent normal renal tissues through qRT-PCR assays. Target mRNA of miR-106b was predicted with databases and verified by luciferase reporter assays. And the effects of miR-106b or targeted mRNA on cell proliferation, invasion, the process of epithelial-mesenchymal transitions (EMTs) were assessed in vitrothrough CCK-8, transwell cell invasion assays, qRT-PCR and Western blotting assays respectively. In addition, the effects of miR-106b on the growth of xenografts mice were analyzedin vivo. Results: The results demonstrated that miR-106b was significantly increased both in RCC tissues and cell lines. Luciferase reporter assays revealed that miR-106b inhibited Capicua expression by targeting its 3'-UTR sequence. And miR-106b promoted cell proliferation, invasion, EMT progression in RCC cellin vitro, as well as promoted the tumor growth of 786-O cells derived xenografts mice. Additionally, loss of Capicua promoted the activation of MAPK signaling pathway. Conclusion: The study suggested that miR-106b regulated RCC progression through MAPK signaling pathway partly by targeting Capicua, which might provide valuable evidence for therapeutic target development of RCC.

2.
Cell Physiol Biochem ; 50(1): 66-78, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30278466

RESUMO

BACKGROUND/AIMS: Several recent studies have demonstrated that Stathmin 1expression may be closely associated with prognosis in patients with various types of cancers. In the present study, we conducted a meta-analysis of all available studies in the English literature to assess the prognostic value of Stathmin 1expression in patients with solid cancers. METHODS: The online databases PubMed, Embase, and Web of Science were searched for literature regarding Stathmin 1 and its association with patient outcomes associated with solid cancers. RESULTS: A total of 23 articles including 26 studies that contained 5 335 patients were retrieved and analyzed. Our results indicated that high Stathmin 1 expression yielded a worse overall survival (OS) (hazard ratio [HR] = 2.17, 95% confidence interval [CI]: 1.81-2.60), disease-free survival (DFS) (HR = 2.46, 95% CI: 2.00-3.02), disease-specific survival (DSS) (HR = 1.98, 95% CI: 1.58- 2.47) and progression-free survival (PFS)/recurrence-free survival (RFS) (HR = 2.09, 95% CI: 1.51-2.89). Furthermore, the association of high Stathmin 1 expression with poor survival was significant even for sub-group analyses of different tumor types, ethnicities, methods used to calculate HRs, detected methods, and analysis types. CONCLUSION: In summary, this meta-analysis determined that high Stathmin 1 expression is associated with poor prognosis in patients with solid cancers and expression of this protein could be a clinically useful prognostic biomarker.


Assuntos
Neoplasias/patologia , Estatmina/metabolismo , Biomarcadores Tumorais/metabolismo , Bases de Dados Factuais , Intervalo Livre de Doença , Humanos , Neoplasias/metabolismo , Neoplasias/mortalidade , Prognóstico , Modelos de Riscos Proporcionais , Estatmina/genética , Taxa de Sobrevida
3.
Medicine (Baltimore) ; 97(29): e11176, 2018 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-30024501

RESUMO

BACKGROUND: To compare the transperitoneal approach with extraperitoneal approach in laparoscopic radical prostatectomy (LRP) (including pure and robotic-assisted LRP) using meta-analytic techniques. METHODS: Medline (PubMed), Embase, Ovid, CMB, and Cochrane databases were searched for studies that compared the transperitoneal and extraperitoneal approaches in LRP from January 2000 to January 2017. Outcomes included were operative time, operative bloods joss (milliliters), rate of transfusion, rate of open conversion, rate of intraoperative complications, rate of postoperative complications, and time of postoperative catheterization. RESULTS: Thirteen studies including 1674 patients were selected for the meta-analysis. 850 (50.8%) cases had undergone transperitoneal LRP (TLRP) and 824 (49.2%) cases had undergone the extraperitoneal LRP (ELRP). Comparison of operative time between the TLRP group and the ELRP group showed no significant differences (weighted mean difference [WMD] = 21.21,95%CI = -1.16-43.57, P = .06). No significant differences were observed in blood loss (WMD = -6.04, 95%CI = -43.38-31.29, P = .75) and the rate of transfusion (odds ratio [OR] = 1.03, 95%CI = 0.55-1.96, P = .92) between the 2 groups. No significant differences were observed for the rate of intraoperative complications (OR = 1.25, 95%CI = 0.57-2.21, P = .75) and the rate of open conversion (OR = 1.12, 95%CI = 0.32-4.97, P = .75). Significant differences were observed in the TLRP group compared with the ELRP group (OR = 1.69, 95%CI: 1.23-2.32, P = .001) regarding the rate of postoperative complications. CONCLUSIONS: Our meta-analysis findings revealed that the TLRP group showed no significant differences in most important indicators compared with ELRP. Moreover, TLRP showed higher rate of postoperative complications compared with ELRP.


Assuntos
Laparoscopia/métodos , Próstata/cirurgia , Prostatectomia/métodos , Neoplasias da Próstata/cirurgia , Transfusão de Sangue/estatística & dados numéricos , Cateterismo , Humanos , Laparoscopia/efeitos adversos , Masculino , Duração da Cirurgia , Peritônio/cirurgia , Complicações Pós-Operatórias/epidemiologia , Complicações Pós-Operatórias/etiologia , Próstata/patologia , Prostatectomia/efeitos adversos , Reoperação/estatística & dados numéricos
4.
J Surg Res ; 170(2): e271-7, 2011 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-21816440

RESUMO

OBJECTIVE: Renal ischemia/reperfusion (I/R) injury occurs in both native and transplanted kidneys. Hyperbaric oxygen (HBO) has been shown to prevent I/R injury in different tissues. The aim of this study was to evaluate the effect of HBO on renal I/R injury in rats. MATERIALS AND METHODS: Male Sprague-Dawley rats were randomly assigned to three groups. The sham group (n = 8) received right nephrectomy. The I/R (n = 8) and HBO + I/R groups (n = 8) received 45 min left renal ischemia followed by 24 h of reperfusion after right nephrectomy. The HBO + I/R group (n = 8) received 100% oxygen at 2.5 atmosphere absolute (ATA), for 1 h at every 12 h interval for 2 d. Reperfusion was performed 24 h later after the last HBO exposure. RESULTS: In HBO + I/R group, blood urea nitrogen (BUN) and creatinine levels decreased significantly compared with the sham and I/R groups (P < 0.01). Activities of superoxide dismutase (SOD) were increased in renal tissue in the HBO + I/R groups. The content of malondialdehyde (MDA) were decreased in the HBO + I/R groups. Kidney samples from HBO + I/R group rats revealed markedly reduced histological damage under histopathological examination. The animals treated with HBO showed significantly elevated heme oxygenase-1 (HO-1) protein and mRNA levels expression compared with I/R group (P < 0.05). CONCLUSIONS: Hyperbaric oxygen preconditioning (HBO-PC) can protect renal I/R injury against oxidative stress, and the up-regulation of HO-1 expression plays an essential role in HBO induced preconditioning effect.


Assuntos
Heme Oxigenase (Desciclizante)/metabolismo , Oxigenação Hiperbárica/métodos , Precondicionamento Isquêmico/métodos , Nefropatias/prevenção & controle , Traumatismo por Reperfusão/prevenção & controle , Animais , Regulação Enzimológica da Expressão Gênica/fisiologia , Heme Oxigenase (Desciclizante)/genética , Nefropatias/metabolismo , Nefropatias/patologia , Testes de Função Renal , Masculino , Malondialdeído/metabolismo , Estresse Oxidativo/fisiologia , Ratos , Ratos Sprague-Dawley , Traumatismo por Reperfusão/metabolismo , Traumatismo por Reperfusão/patologia , Superóxido Dismutase/metabolismo , Regulação para Cima/fisiologia
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