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1.
Mol Ther Nucleic Acids ; 13: 642-650, 2018 Dec 07.
Artigo em Inglês | MEDLINE | ID: mdl-30497054

RESUMO

In the last decade, microRNAs (miRs) have been described as biomarkers and therapeutic agents. Based on this finding, our aim here is to know if (1) miRNA-370-3p can be used as a biomarker associated with a favorable survival and if (2) miRNA-370-3p can be used as a therapeutic tool that increases the efficiency of standard anti-GBM treatment. A first approach using the data available on the "Prognostic miRNA Database" indicated that the expression level of miRNA-370-3p in GBM (T-miR-370-3p) is not associated with a prognosis value for survival. A second approach quantifying the expression level of cell-free circulating miRNA-370-3p (cfc-miR-370-3p) also indicated that cfc-miR-370-3p is not associated with a prognosis value for survival. To investigate whether miR-370-3p can be used in vivo to increase the anti-GBM effect of TMZ, we then used the model of LN18-induced GBMs in mice. Our data indicated that the miRNA-370-3p/TMZ treatment was two times more efficient than the TMZ treatment for decreasing the tumor volume. In addition, our study correlated the decrease of tumor volume induced by the miRNA-370-3p/TMZ treatment with the decrease in FOXM1 and MGMT (i.e., two targets of miR-370-3p). Our data thus support the idea that miR-370-3p could be used as therapeutic tool for anti-glioblastoma therapy, but not as a biomarker.

2.
Bull Cancer ; 105(7-8): 686-695, 2018.
Artigo em Francês | MEDLINE | ID: mdl-29933886

RESUMO

Immune checkpoint inhibitors anti-PD-1, anti-PD-L1 and anti-CTLA-4 have been in development in several indications and have changed the face of cancer patients' management. Cancer immunotherapy was central in ASCO's meeting 2017. The identification of patients who could benefit most from immune checkpoint inhibitors is essential. The predictive value of PD-L1 status remains insufficient to select patients who could respond to immunotherapy. An extended search for new biomarkers predictive of response (INF-γ, mutational load) is ongoing, in order to better select responders. Immune checkpoint inhibitors have mainly been developed as monotherapy. However, the low response rate, between 10 and 30%, and the occurrence of resistance, contributes to the increment of new therapeutic strategies. This review summarizes the results of combination trials of two immune checkpoint inhibitors, combination of immunotherapy with conventional chemotherapy, radiotherapy or targeted therapies active on the oncogenic addiction pathway.


Assuntos
Antineoplásicos/uso terapêutico , Antígeno B7-H1/antagonistas & inibidores , Antígeno CTLA-4/antagonistas & inibidores , Congressos como Assunto , Imunoterapia/métodos , Receptor de Morte Celular Programada 1/antagonistas & inibidores , Biomarcadores Tumorais , Terapia Combinada/métodos , Humanos , Oncologia , Terapia de Alvo Molecular , Radioterapia , Sociedades Médicas
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