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1.
J Clin Pharmacol ; 64(6): 643-651, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38311835

RESUMO

Hepatocellular carcinoma (HCC) is often diagnosed in advanced stages. Following sorafenib, lenvatinib (LENV) has been approved as a first-line treatment option for unresectable HCC. In the past few years, at least 9 large-scale cohort studies have examined the efficacy and safety of LENV compared to atezolizumab plus bevacizumab (ATE/BEV) in unresectable HCC, but there is currently no direct meta-analysis conducted for a comprehensive consolidation. To provide the most updated meta-analysis of the clinical efficacy and safety of ATE/BEV versus LENV for patients with unresectable HCC. Our studies comparing the efficacy and safety of ATE/BEV and LENV in unresectable HCC were systematically searched in PubMed, Embase, and Web of Science from inception to February 2023. Outcomes measured were overall survival (OS), progression-free survival (PFS), mortality, complete response (CR), partial response (PR), objective response rate (ORR), disease control rate (DCR), progressive disease (PD), stable disease (SD), and adverse events (AEs). Seven eligible studies involving 4428 patients (1569 in the ATE/BEV group and 2859 in the LENV group) were included in the narrative synthesis. All baseline characteristics were similar between the 2 groups except for Child-Pugh class B. Ultimately, our meta-analysis showed that the LENV group had longer OS and PFS than the ATE/BEV group. Moreover, patients on LENV were more likely to achieve SD, whereas those on ATE/BEV were more likely to achieve PR.


Assuntos
Anticorpos Monoclonais Humanizados , Protocolos de Quimioterapia Combinada Antineoplásica , Bevacizumab , Carcinoma Hepatocelular , Neoplasias Hepáticas , Compostos de Fenilureia , Quinolinas , Humanos , Anticorpos Monoclonais Humanizados/uso terapêutico , Anticorpos Monoclonais Humanizados/efeitos adversos , Anticorpos Monoclonais Humanizados/administração & dosagem , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Bevacizumab/uso terapêutico , Bevacizumab/efeitos adversos , Bevacizumab/administração & dosagem , Carcinoma Hepatocelular/tratamento farmacológico , Neoplasias Hepáticas/tratamento farmacológico , Compostos de Fenilureia/uso terapêutico , Compostos de Fenilureia/efeitos adversos , Compostos de Fenilureia/administração & dosagem , Intervalo Livre de Progressão , Quinolinas/uso terapêutico , Quinolinas/efeitos adversos , Quinolinas/administração & dosagem
2.
Cancer Biol Ther ; 24(1): 2258566, 2023 12 31.
Artigo em Inglês | MEDLINE | ID: mdl-37844011

RESUMO

BACKGROUND: Circular RNAs (circRNAs) are a cohort of non-coding RNAs generated by back-splicing events. Accumulating evidence supports the crucial role of circRNAs in human tumorigenesis, metastasis, and chemoresistance. However, the role and mechanism of circRNA circ_0087502 in pancreatic cancer are yet unknown. METHODS: The expression and function of circ_0087502 in pancreatic cancer were investigated using qRT-PCR and cell experiments. The predicted binding between circ_0087502 and microRNA-1179 (miR-1179), and between miR-1179 and TGFBR2, were examined using reporter assays. RESULTS: Pancreatic cancer tissues and cell lines were discovered to express circ_0087502 at higher levels. Patients with pancreatic cancer who express circ_0087502 at high levels have a worse prognosis. In addition, circ_0087502 knockdown reduced the proliferation, migration, and invasion of pancreatic cancer cells and made them more sensitive to gemcitabine treatment. We found that circ_0087502 worked as a sponge for miR-1179, allowing miR-1179 to bind to the critical oncogene TGFBR2 in its 3'-untranslated region (3'-UTR). Pancreatic cancer cells were highly resistant to gemcitabine and had increased proliferation, migration, and invasion when miR-1179 was inhibited or overexpressed. CONCLUSION: These results confirm that circ_0087502 activates the miR-1179/TGFBR2 axis to promote gemcitabine resistance in pancreatic cancer. Thus, our data might lay the groundwork for developing novel therapeutic strategies targeting circ_0087502 in pancreatic cancer patients.


Assuntos
MicroRNAs , Neoplasias Pancreáticas , Humanos , MicroRNAs/genética , MicroRNAs/metabolismo , RNA Circular/genética , Gencitabina , Receptor do Fator de Crescimento Transformador beta Tipo II/genética , Linhagem Celular Tumoral , Neoplasias Pancreáticas/tratamento farmacológico , Neoplasias Pancreáticas/genética , Proliferação de Células/genética , Neoplasias Pancreáticas
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