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Knockdown of DKK3 decreases malignant property in head and neck squamous cell carcinoma-derived HSC-3 cells.

ABSTRACT: We hypothesized that DKK3 may exert oncogenic function supecifically in head and neck squamous cell carcinoma (HNSCC). DKK3 knockdown in HNSCC cell resulted in decreased cellular proliferation, migration, invasion and in vivo tumor growth.

ORGANISM(S): Homo sapiens

PROVIDER: GSE107403 | GEO | 2018/11/30

REPOSITORIES: GEO

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DKK3 overexpression increases malignant property in head and neck squamous cell carcinoma-derived HSC-3 cells.

Project description:We hypothesized that DKK3 may exert oncogenic function supecifically in head and neck squamous cell carcinoma (HNSCC). DKK3 overexpression in HNSCC cell resulted in elevated cellular proliferation, migration, invasion and in vivo tumor growth. This elevated malignant properties was not driven by Wnt/beta-catenin pathway.

2017-07-22 | GSE84725 | GEO

Knockdown of DKK3 decreases malignant property in head and neck squamous cell carcinoma-derived HSC-3 cells.

Project description:Knockdown of DKK3 decreases malignant property in head and neck squamous cell carcinoma-derived HSC-3 cells.

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miRNA expression in head and neck squamous cell carcinoma (HNSCC)

Project description:The involvement of microRNAs (miRNAs) in cancer and their potential as biomarkers of diagnosis, prognosis and response to therapy is becoming increasingly appreciated. The etiology of head and neck squamous cell carcinoma (HNSCC) is predominantly associated with the synergistic effects of tobacco and alcohol use, as well as Human Papilloma Virus (HPV) infection, which embodies a distinct clinical and biological phenotype. We sought to examine whether the profile of miRNAs in HNSCC varies based on HPV status, and to identify specific miRNAs altered in head and neck carcinogenesis. Total RNA was isolated from 16 HNSCC fresh frozen primary tumors, 5 fresh frozen non-diseased head and neck epithelial tissues, and 2 HNSCC cell lines. The miRNA profile of 662 individual miRNAs in these tissues was examined by microarray. 18 miRNAs are significantly altered in their expression between normal tissues and HNSCC tumors and 5 miRNAs are identified as significantly differentially expressed between HPV-positive (HPV+) and HPV-negative (HPV-) tumors. A striking difference in expression pattern of miRNA was also observed between primary tissues and cell lines. These data suggest that the pattern of miRNA expression may be reflective of disease etiology, and may be useful in the realm of diagnostic biomarkers defining broadly responsive prevention and treatment strategies for HNSCC. These data also suggest that cultured tumor cell lines may be inappropriate for novel miRNA biomarker identification. Keywords: miRNA; Disease-state analysis Expression of 662 individual miRNA was assessed in16 HNSCC fresh frozen primary tumors, 5 fresh frozen non-diseased head and neck epithelial tissues, and 2 HNSCC cell lines were arrayed

2010-05-19 | E-GEOD-11163 | biostudies-arrayexpress

Comparative proteomics reveals a diagnostic signature for pulmonary head-and-neck cancer metastasis.

Project description:This study represents a proteomic resource for HNSCC and SQCLC with quantitative protein expression data for 7800 proteins and provides a proteomic diagnostic signature for classification for undetermined secondary lung tumors in HNSCC patients. By quantitative mass-spectrometry-based proteomics, we characterized a cohort of 63 squamous cell carcinomas of the lung (SQCLC), 49 of the head and neck region (HNSCC) and 51 HNSCC-correlated lung tumors with squamous cell histology that evolved in the course of the disease.

2018-08-06 | PXD007705 | Pride

Head and neck squamous cell carcinomas

Project description:This SuperSeries is composed of the following subset Series: GSE11929: Identification of a subgroup of head and neck cancers lacking numerical chromosomal aberrations GSE11931: Copy Number Alterations in HNSCC with or without Oncogene Expressing Human Papillomavirus Refer to individual Series

2009-03-11 | E-GEOD-12020 | biostudies-arrayexpress

Single-cell Sequencing Analysis of Head and Neck Squamous Cell Carcinoma

Project description:To investigate the mechanism of cetuximab resistance in head and neck squamous cell carcinoma (HNSCC), we performed single-cell RNA sequencing analysis in biopsy from two HNSCC patients before and after cetuximab treatment.

2022-04-01 | GSE173647 | GEO

KIF2C is a critical regulator for malignant progression of head and neck squamous cell carcinoma

Project description:Head and neck squamous cell carcinoma(HNSCC) is a significant cause of mortality, while the underlying mechanism remains unclear. Recent studies indicate that KIF2C could play a vital role in tumor proliferation and metastasis. Our results demonstrate that KIF2C is highly expressed at both the mRNA and protein levels in HNSCC samples compared to normal samples. Gene ontol-ogy and Kyoto Encyclopedia of Genes and Genomes pathway analyses showed that differentially expressed genes were enriched in processes or pathways related to cell adhesion and cell mitosis in HNSCC. Additionally, a protein-protein interaction network was established, identifying KIF2C as a potential hub gene in HNSCC. Cell phenotype assays showed that KIF2C knockdown reduces cell migration and invasion ability and exhibited cell cycle arrest, high proportion of abnormal cell apoptosis and cell chromosome division mismatches in HNSCC cell line. RNA-seq and RT-PCR assay results revealed that KIF2C knockdown influenced the expression levels of PDGFA, CCNA1, RRM1, CCND2, CAV1, EGFR, SNAI2, KRT5, KRT14, NID1, TP63. TGFBR2, TGFB2, ICAM1, ITGB2, CDH2, CDH5, FN1. And KIF2C knockdown also decreased the phos-phorylation of mTOR, AKT, and ERK. Furthermore, in vivo studies have demonstrated that KIF2C knockdown significantly inhibits tumor proliferation in nude mice. As such, our study highlights the potential therapeutic role of KIF2C for HNSCC treatment.

2024-01-21 | GSE253500 | GEO

Molecular Subtypes in Head and Neck Cancer [expression]

Project description:Head and neck squamous cell carcinoma (HNSCC) is a heterogeneous disease whose underlying etiology has not been explained by traditional prognostic factors such as tumor site, stage, or histology. Although previous studies have shown that molecular subtypes of HNSCC exist, the benefit of such a classification scheme has not been fully realized. We show that molecular subtypes of HNSCC exist; that these subtypes have distinct patterns of chromosomal gain and loss, some of which affect canonical oncogenes and tumor suppressors; and that the subtypes are biologically and clinically relevant. These subtypes provide new insight into HNSCC etiology, as well as a valuable method for classifying HNSCC tumors.

2013-03-01 | GSE39366 | GEO

Identification of potential biomarkers of head and neck squamous cell carcinoma using iTRAQ based quantitative proteomic approach

Project description:Head and neck squamous cell carcinoma (HNSCC) is one of the most common cancers in India. Despite improvements in treatment strategy, the survival rates of HNSCC patients remains poor. Thus, it is necessary to identify biomarkers that can be used for early detection of disease. In this study, we employed iTRAQ-based quantitative mass spectrometry analysis to identify dysregulated proteins from a panel of head and neck squamous cell carcinoma (HNSCC) cell lines. We identified 2,468 proteins, of which 496 proteins were found to be dysregulated in at least two HNSCC cell lines compared to immortalized normal oral keratinocytes. We detected increased expression of replication protein A1 (RPA1) and heat shock protein family H (Hsp110) member 1 (HSPH1), in HNSCC cell lines compared to control. The differentially expressed proteins were further validated using parallel reaction monitoring (PRM) and western blot analysis in HNSCC cell lines. Immunohistochemistry-based validation using HNSCC tissue microarrays revealed overexpression of RPA1 and HSPH1 in 15.7% and 32.2% of the tested cases, respectively. Our study illustrates quantitative proteomics as a robust approach for identification of potential HNSCC biomarkers.

2018-09-19 | PXD009241 | Pride

Molecular characterization of head and neck cancer cell model genomes

Project description:To provide full characterization of genome changes in six commonly used head and neck cancer cell lines. These data will serve as an excellent resource when designing future experiments that attempt to model HNSCC behaviour. Six commonly used ATCC head and neck cancer cell lines are analyzed.

2010-06-25 | E-GEOD-16872 | biostudies-arrayexpress

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