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Cancers, Vol. 12, Pages 2963: CTEN Induces Tumour Cell Invasion and Survival and Is Prognostic in Radiotherapy-Treated Head and Neck Cancer
Kim Gareth J. Thomas Head and neck squamous cell carcinoma (HNSCC) is a heterogenous disease treated with surgery and/or (chemo) radiotherapy, but up to 50% of patients with late-stage disease develop locoregional recurrence. Determining the mechanisms underpinning treatment resistance could identify new therapeutic targets and aid treatment selection. C-terminal tensin-like (CTEN) is a member of the tensin family, upregulated in several cancers, although its expression and function in HNSCC are unknown. We found that CTEN is commonly upregulated in HNSCC, particularly HPV−ve tumours. In vitro CTEN was...
Source: Cancers - October 13, 2020 Category: Cancer & Oncology Authors: Jason C. Fleming Jeongmin Woo Karwan Moutasim Christopher J. Hanley Steven J. Frampton Oliver Wood Matthew Ward Christopher H Woelk Christian H. Ottensmeier Sassan Hafizi Dae Kim Gareth J. Thomas Tags: Article Source Type: research

Cancers, Vol. 11, Pages 1848: The Potential Impact of Connexin 43 Expression on Bcl-2 Protein Level and Taxane Sensitivity in Head and Neck Cancers –In Vitro Studies
This study aimed to test the role of Cx43 protein on Bcl-2 expression, tumor progression and response to taxane-based treatment in HNSCC. Human papillomavirus (HPV) negative HNSCC cell lines were tested for paclitaxel sensitivity through measuring apoptosis induction, cell viability and changes in Cx43 and Bcl-2 levels using flow cytometry, cell viability assay, immunocytochemistry and western blot. Inhibition of Cx43 expression using siRNA increased Bcl-2 protein levels in SCC25 (tongue squamous cell carcinoma) cells, while forced Cx43 expression reduced Bcl-2 levels and supported paclitaxel cytotoxicity in FaDu (hypophar...
Source: Cancers - November 21, 2019 Category: Cancer & Oncology Authors: Bianka Gurbi Di ána Brauswetter Attila Varga P ál Gyulavári Kinga P énzes J ózsef Murányi Veronika Z ámbó Ede Birtalan Tibor Kren ács David Laurence Becker Mikl ós Csala Istv án Vályi-Nagy Istv án Peták Korn él Dános Tags: Article Source Type: research

Systems Biology Approaches and Precision Oral Health: A Circadian Clock Perspective
Conclusion Most head and neck pathologies show a broad cellular heterogeneity making it difficult to achieve an accurate diagnosis and efficient treatment (Graf and Zavodszky, 2017; Lo Nigro et al., 2017). Single cell analysis of circadian omics (Lande-Diner et al., 2015; Abraham et al., 2018), may be a crucial tool needed in the future to fully understand the circadian control of head and neck diseases. It becomes more obvious that there is only a small genetic component but a largely unknown epigenetics and/or environmental component for most of the head and neck pathologies (Moosavi and Motevalizadeh Ardekani, 2016; He...
Source: Frontiers in Physiology - April 15, 2019 Category: Physiology Source Type: research

Abstract 813: Human papillomavirus 16 oncoprotein E6 upregulates c-Met partially through p53 in squamous cell carcinoma of the head and neck
Conclusion: Our results show that c-Met expression is upregulated by HPV E6, which is partially mediated by p53. The data suggest that targeting c-Met may serve as a novel approach for treating HPV-associated OPSCC.(This study was supported by grants from Small Business Innovation Research (SBIR) Program (HHSN261201200097C), National Institutes of Health (R33 CA161873), and National Cancer Institute (NCI P50 CA 128613, Head and Neck SPORE).Citation Format: Guoqing Qian, Dongsheng Wang, Kelly R. Magliocca, Praveen Duggal, Sreenivas Nannapaneni, Sungjin Kim, Zhengjia Chen, Dong M. Shin, Nabil F. Saba, Zhuo G. Chen. Human pap...
Source: Cancer Research - August 2, 2015 Category: Cancer & Oncology Authors: Qian, G., Wang, D., Magliocca, K. R., Duggal, P., Nannapaneni, S., Kim, S., Chen, Z., Shin, D. M., Saba, N. F., Chen, Z. G. Tags: Carcinogenesis Source Type: research

Gene silencing with siRNA targeting E6/E7 as a therapeutic intervention against head and neck cancer-containing HPV16 cell lines.
Conclusion: Our results indicate that siRNA E6 and/or E7 may have potential as a gene-specific therapy for human papillomavirus (HPV) type 16 (HPV16)-related squamous cell carcinoma of the head and neck (HNSCC). Objectives: To evaluate the effectiveness of siRNA targeting E6 and/or E7 on the in vitro and in vivo growth suppression of HPV16-related HNSCC. Methods: HPV16-related HNSCC (UM-SCC47) cell lines were used for the present study. Expression of HPV viral oncogenes E6 and/or E7 and their cellular targets, p53 and pRb, was evaluated by real-time PCR, Western blotting, and immunofluorescence staining. To study the effec...
Source: Acta Oto-Laryngologica - May 3, 2013 Category: ENT & OMF Authors: Adhim Z, Otsuki N, Kitamoto J, Morishita N, Kawabata M, Shirakawa T, Nibu KI Tags: Acta Otolaryngol Source Type: research