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Intratumoral microbiota: roles in cancer initiation, development and therapeutic efficacy
Signal Transduction and Targeted Therapy ( IF 40.8 ) Pub Date : 2023-01-16 , DOI: 10.1038/s41392-022-01304-4
Li Yang 1, 2, 3 , Aitian Li 1 , Ying Wang 1 , Yi Zhang 1, 2, 3
Affiliation  

Microorganisms, including bacteria, viruses, fungi, and other eukaryotes, play critical roles in human health. An altered microbiome can be associated with complex diseases. Intratumoral microbial components are found in multiple tumor tissues and are closely correlated with cancer initiation and development and therapy efficacy. The intratumoral microbiota may contribute to promotion of the initiation and progression of cancers by DNA mutations, activating carcinogenic pathways, promoting chronic inflammation, complement system, and initiating metastasis. Moreover, the intratumoral microbiota may not only enhance antitumor immunity via mechanisms including STING signaling activation, T and NK cell activation, TLS production, and intratumoral microbiota-derived antigen presenting, but also decrease antitumor immune responses and promote cancer progression through pathways including upregulation of ROS, promoting an anti-inflammatory environment, T cell inactivation, and immunosuppression. The effect of intratumoral microbiota on antitumor immunity is dependent on microbiota composition, crosstalk between microbiota and the cancer, and status of cancers. The intratumoral microbiota may regulate cancer cell physiology and the immune response by different signaling pathways, including ROS, β-catenin, TLR, ERK, NF-κB, and STING, among others. These viewpoints may help identify the microbiota as diagnosis or prognosis evaluation of cancers, and as new therapeutic strategy and potential therapeutic targets for cancer therapy.



中文翻译:

肿瘤内微生物群:在癌症发生、发展和治疗效果中的作用

微生物,包括细菌、病毒、真菌和其他真核生物,在人类健康中起着至关重要的作用。改变的微生物组可能与复杂的疾病有关。瘤内微生物成分存在于多种肿瘤组织中,与癌症的发生、发展和治疗效果密切相关。瘤内微生物群可能有助于通过 DNA 突变促进癌症的发生和发展,激活致癌途径,促进慢性炎症,补体系统和启动转移。此外,肿瘤内微生物群不仅可以通过 STING 信号激活、T 和 NK 细胞激活、TLS 产生和肿瘤内微生物群衍生抗原呈递等机制增强抗肿瘤免疫力,但也通过上调 ROS、促进抗炎环境、T 细胞失活和免疫抑制等途径降低抗肿瘤免疫反应并促进癌症进展。肿瘤内微生物群对抗肿瘤免疫的影响取决于微生物群的组成、微生物群与癌症之间的相互作用以及癌症的状态。瘤内微生物群可通过不同的信号通路调节癌细胞生理和免疫反应,包括 ROS、β-连环蛋白、TLR、ERK、NF-κB 和 STING 等。这些观点可能有助于确定微生物群作为癌症的诊断或预后评估,以及作为癌症治疗的新治疗策略和潜在治疗靶点。T 细胞失活和免疫抑制。肿瘤内微生物群对抗肿瘤免疫的影响取决于微生物群的组成、微生物群与癌症之间的相互作用以及癌症的状态。瘤内微生物群可通过不同的信号通路调节癌细胞生理和免疫反应,包括 ROS、β-连环蛋白、TLR、ERK、NF-κB 和 STING 等。这些观点可能有助于确定微生物群作为癌症的诊断或预后评估,以及作为癌症治疗的新治疗策略和潜在治疗靶点。T 细胞失活和免疫抑制。肿瘤内微生物群对抗肿瘤免疫的影响取决于微生物群的组成、微生物群与癌症之间的相互作用以及癌症的状态。瘤内微生物群可通过不同的信号通路调节癌细胞生理和免疫反应,包括 ROS、β-连环蛋白、TLR、ERK、NF-κB 和 STING 等。这些观点可能有助于确定微生物群作为癌症的诊断或预后评估,以及作为癌症治疗的新治疗策略和潜在治疗靶点。瘤内微生物群可通过不同的信号通路调节癌细胞生理和免疫反应,包括 ROS、β-连环蛋白、TLR、ERK、NF-κB 和 STING 等。这些观点可能有助于确定微生物群作为癌症的诊断或预后评估,以及作为癌症治疗的新治疗策略和潜在治疗靶点。瘤内微生物群可通过不同的信号通路调节癌细胞生理和免疫反应,包括 ROS、β-连环蛋白、TLR、ERK、NF-κB 和 STING 等。这些观点可能有助于确定微生物群作为癌症的诊断或预后评估,以及作为癌症治疗的新治疗策略和潜在治疗靶点。

更新日期:2023-01-17
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