Induction of Immune-Stimulating Factors and Oncolysis Upon p14ARF Gene Transfer in Melanoma Cell Lines.

IF 2.6 4区 生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY
Samir Andrade Mendonça, Fernanda Antunes, Otto L D Cerqueira, Paulo Roberto Del Valle, Aline Hunger, Percíllia V S de Oliveira, Barbara Brito, Eugenia Costanzi-Strauss, Bryan E Strauss
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引用次数: 1

Abstract

Together with an anti-tumor immune response, oncolysis using a recombinant viral vector promises to eliminate cancer cells by both gene transfer and host-mediated functions. In this study we explore oncolysis induced by nonreplicating adenoviral vectors used for p14ARF and interferon-β (hIFNβ) gene transfer in human melanoma cell lines, revealing an unexpected role for p14ARF in promoting cellular responses predictive of immune stimulation. Oncolysis was confirmed when UACC-62 (p53 wild-type) cells succumbed upon p14ARF gene transfer in vitro, whereas SK-Mel-29 (p53-mutant) benefitted from its combination with hIFNβ. In the case of UACC-62, in situ gene therapy in nude mice yielded reduced tumor progression in response to the p14ARF and hIFNβ combination. Potential for immune stimulation was revealed where p14ARF gene transfer in vitro was sufficient to induce emission of immunogenic cell death factors in UACC-62 and upregulate pro-immune genes, including IRF1, IRF7, IRF9, ISG15, TAP-1, and B2M. In SK-Mel-29, p14ARF gene transfer induced a subset of these factors. hIFNβ was, as expected, sufficient to induce these immune-stimulating genes in both cell lines. This work is a significant advancement for our melanoma gene therapy strategy because we revealed not only the induction of oncolysis, but also the potential contribution of p14ARF to immune stimulation.

免疫刺激因子对黑色素瘤细胞系p14ARF基因转移的诱导及溶瘤作用
结合抗肿瘤免疫反应,利用重组病毒载体进行肿瘤溶解有望通过基因转移和宿主介导的功能消除癌细胞。在这项研究中,我们探索了用于p14ARF和干扰素β (hIFNβ)基因转移的非复制腺病毒载体在人黑色素瘤细胞系中诱导的肿瘤溶解,揭示了p14ARF在促进免疫刺激预测细胞反应中的意想不到的作用。在体外p14ARF基因转移后,UACC-62 (p53野生型)细胞被证实有肿瘤溶解作用,而SK-Mel-29 (p53突变型)细胞则通过与hIFNβ结合而受益。在UACC-62的病例中,裸小鼠的原位基因治疗对p14ARF和hIFNβ联合治疗的反应减少了肿瘤进展。体外p14ARF基因转移足以诱导UACC-62中免疫原性细胞死亡因子的释放,并上调促免疫基因,包括IRF1、IRF7、IRF9、ISG15、TAP-1和B2M,揭示了免疫刺激的潜力。在SK-Mel-29中,p14ARF基因转移诱导了这些因子的一部分。正如预期的那样,hIFNβ足以在两种细胞系中诱导这些免疫刺激基因。这项工作是我们黑色素瘤基因治疗策略的重大进展,因为我们不仅揭示了肿瘤溶解的诱导,而且还揭示了p14ARF对免疫刺激的潜在贡献。
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来源期刊
DNA and cell biology
DNA and cell biology 生物-生化与分子生物学
CiteScore
6.60
自引率
0.00%
发文量
93
审稿时长
1.5 months
期刊介绍: DNA and Cell Biology delivers authoritative, peer-reviewed research on all aspects of molecular and cellular biology, with a unique focus on combining mechanistic and clinical studies to drive the field forward. DNA and Cell Biology coverage includes: Gene Structure, Function, and Regulation Gene regulation Molecular mechanisms of cell activation Mechanisms of transcriptional, translational, or epigenetic control of gene expression Molecular Medicine Molecular pathogenesis Genetic approaches to cancer and autoimmune diseases Translational studies in cell and molecular biology Cellular Organelles Autophagy Apoptosis P bodies Peroxisosomes Protein Biosynthesis and Degradation Regulation of protein synthesis Post-translational modifications Control of degradation Cell-Autonomous Inflammation and Host Cell Response to Infection Responses to cytokines and other physiological mediators Evasive pathways of pathogens.
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