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Immunologically hot phenotype is associated with response to PD-1/PD-L1 inhibitors in patients with advanced head and neck squamous cell carcinoma.

ABSTRACT: Immunologically hot phenotype is associated with response to PD-1/PD-L1 inhibitors in patients with advanced head and neck squamous cell carcinoma.

PROVIDER: PRJNA667509 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12776900.fastq.gz	Fastqsanger.gz
	SRR12777000.fastq.gz	Fastqsanger.gz
	SRR12777100.fastq.gz	Fastqsanger.gz
	SRR12777200.fastq.gz	Fastqsanger.gz
	SRR12776901.fastq.gz	Fastqsanger.gz

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Immunologically hot phenotype is associated with response to PD-1/PD-L1 inhibitors in patients with advanced head and neck squamous cell carcinoma.

Project description:Ongoing immunomodulatory strategies in tumors characterized by an overall hot immune phenotype may improve prognosis of head and neck squamous cell carcinomas (HNSCC). Our objective was to develop a reliable and stable scoring system for the identification of immunologically hot HNSCC and to evaluate its association with response to immunotherapies. A Hot Oral Tumor (HOT) score was developed using data from The Cancer Genome Atlas. HOT score was computed in 102 patients with HNSCC treated with immunotherapy targeting PD-1/PD-L1 in the context of clinical trials. High HOT score was associated with a statistically significant improved clinical outcome.

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Immunologically active phenotype is associated with response to PD-1/PD-L1 inhibitors in patients with advanced non-small cell lung cancer

Project description:Immunotherapy in immunologically active tumors may improve prognosis of non-small cell lung carcinomas (NSCLC). Our objective was to develop a reliable and stable scoring system for the identification of immunologically active HNSCC and to evaluate its association with response to immunotherapies. A Hot Oral Tumor (HOT) score was developed using data from The Cancer Genome Atlas in human-papillomavirus negative head and neck squamous cell carcinomas; it was computed in 92 patients with early stage NSCLC treated with surgery to evaluate the prognostic impact of the HOT score.

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Immunologically hot phenotype is associated with response to second-line PD-1/PD-L1 inhibition in patients with advanced non-small cell lung cancer

Project description:Ongoing immunomodulatory strategies in tumors characterized by an overall hot immune phenotype may improve prognosis of patients with non-small cell lung cancer (NSCLC). Our objective was to develop a reliable and stable scoring system for the identification of immunologically hot NSCLC and to evaluate its association with response to immunotherapies. A Hot Oral Tumor (HOT) score was developed using data from The Cancer Genome Atlas. HOT score was computed in 82 patients with NSCLC treated with second-line immunotherapy targeting PD-1/PD-L1. High HOT score was associated with a statistically significant improved clinical outcome.

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Immunologically active phenotype is associated with response to PD-1/PD-L1 inhibitors in patients with advanced non-small cell lung cancer

Project description:Immunologically active phenotype is associated with response to PD-1/PD-L1 inhibitors in patients with advanced non-small cell lung cancer

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Immunologically hot phenotype is associated with response to second-line PD-1/PD-L1 inhibition in patients with advanced non-small cell lung cancer

Project description:Immunologically hot phenotype is associated with response to second-line PD-1/PD-L1 inhibition in patients with advanced non-small cell lung cancer

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microRNA profiling for prediction of chemoradiation efficacy in locally advanced head and neck squamous cell carcinoma

Project description:The predictive value of microRNAs for the efficacy of chemoradiation (CRTX) in locally advanced head and neck squamous cell carcinoma (HNSCC) was evaluated. Formalin-fixed, paraffin-embedded tumor material was collected from patients with locally advanced HNSCC treated within the ARO-0401 phase III trial with radiotherapy in combination with either 5-fluorouracil/cisplatin (CDDP-CRTX) or 5-fluorouracil/mitomycin C (MMC-CRTX).

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Immune checkpoint inhibitor monotherapy is sufficient to promote microenvironmental normalization via Type I interferon pathway in PD-L1+ expressing head and neck cancer

Project description:Immune checkpoint blockers (ICBs) targeting programmed death 1(PD-1) are considered effective first-line therapy against PD-1 ligand (PD-L1)-expressing head and neck squamous cell carcinoma (HNSCC). However, associated changes in tumor microenvironment (TME) and mechanisms remain elusive. Oral tumors in C57/BL6 mice were induced by administering 7,12-dimethylbenzanthracene into the buccal mucosa. Single-cell suspension was isolated from tumor tissue; proliferating cells were injected subcutaneously into the left flank of mice to establish Ajou Oral Cancer (AOC) cell lines. Subsequently, a syngeneic PD-L1-expressing HNSCC xenograft model was developed by injecting AOC cells into the buccal or tongue area. The model recapitulated human HNSCC molecular features and showed reliable in vivo tumorigenicity with significant PD-L1 expression. ICB monotherapy induced global changes in TME, including vascular normalization. Furthermore, the anti-tumor effect of ICB monotherapy was superior to those of other therapeutic agents, including cisplatin and anti-vascular endothelial growth factor receptor 2 inhibitors. The ICB-induced anti-tumorigenicity and TME normalization were alleviated by blocking the Type I interferon pathway.In summary, ICB monotherapy is sufficient to induce TME normalization in the syngeneic model; the Type-I interferon pathway is indispensable in realizing ICB effects. Furthermore, these results explain the underlying mechanism of the efficacy of ICB monotherapy against HNSCC expressing PD-L1 in the KEYNOTE-048 trial. This model can assist future research on HNSCC immunotherapy.

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Expression data in PD-L1 positive and PD-L1 negative human melanoma samples

Project description:Blocking the PD-1/PD-L1 immunosuppressive pathway has shown promise in the treatment of certain cancers including melanoma. This study investigates differences in the gene expression profiles of human melanomas that do or do not display the immunosuppressive protein PD-L1. Further understanding of genes expressed within the tumor microenvironment of PD-L1+ tumors may lead to improved rationally designed treatments. Gene expression profiling was performed on total RNA extracted by laser capture microdissection from 11 archived formalin-fixed paraffin-embedded (FFPE) melanoma specimens, 5 of which were PD-L1 positive and 6 PD-L1 negative. Details of the design, and the gene signatures found are given in the paper associated with this GEO Series: Janis M. Taube, Geoffrey D. Young, Tracee L. McMiller, Shuming Chen, January T. Salas, Theresa S. Pritchard, Haiying Xu, Alan K. Meeker, Jinshui Fan, Chris Cheadle, Alan E. Berger, Drew M. Pardoll, and Suzanne L. Topalian, Differential expression of immune-regulatory genes associated with PD-L1 display in melanoma: implications for PD-1 pathway blockade, Clin Cancer Res 2015, in press.

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