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Head and neck molecular biology

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https://www.readbyqxmd.com/read/29094075/genomics-and-advances-towards-precision-medicine-for-head-and-neck-squamous-cell-carcinoma
#1
REVIEW
Carter Van Waes, Omar Musbahi
Objective: To provide a review of emerging knowledge from genomics and related basic science, preclinical, and clinical precision medicine studies in head and neck squamous cell carcinoma (HNSCC). Data Sources: The Cancer Genome Atlas Network (TCGA) publications, PubMed-based literature review, and ClinicalTrials.gov. Review Methods: TCGA publications, PubMed, and ClinicalTrials.gov were queried for genomics and related basic science, preclinical, and developmental clinical precision medicine studies in HNSCC...
October 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29053175/distinct-pattern-of-tp53-mutations-in-human-immunodeficiency-virus-related-head-and-neck-squamous-cell-carcinoma
#2
Frederico O Gleber-Netto, Mei Zhao, Sanchit Trivedi, Jiping Wang, Samar Jasser, Christina McDowell, Humam Kadara, Jiexin Zhang, Jing Wang, William N William, J Jack Lee, Minh Ly Nguyen, Sara I Pai, Heather M Walline, Dong M Shin, Robert L Ferris, Thomas E Carey, Jeffrey N Myers, Curtis R Pickering
BACKGROUND: Human immunodeficiency virus-infected individuals (HIVIIs) have a higher incidence of head and neck squamous cell carcinoma (HNSCC), and clinical and histopathological differences have been observed in their tumors in comparison with those of HNSCC patients without a human immunodeficiency virus (HIV) infection. The reasons for these differences are not clear, and molecular differences between HIV-related HNSCC and non-HIV-related HNSCC may exist. This study compared the mutational patterns of HIV-related HNSCC and non-HIV-related HNSCC...
October 20, 2017: Cancer
https://www.readbyqxmd.com/read/29031066/serendipitous-discovery-of-potent-human-head-and-neck-squamous-cell-carcinoma-anti-cancer-molecules-a-fortunate-failure-of-a-rational-molecular-design
#3
Chiara Zagni, Venerando Pistarà, Luciana A Oliveira, Rogerio M Castilho, Giovanni Romeo, Ugo Chiacchio, Antonio Rescifina
Histone deacetylase inhibitors (HDACis) play an important role as valuable drugs targeted to cancer therapy: several HDACis are currently being tested in clinical trials. Two new potential HDACis 1a and 1d, characterized by the presence of a biphenyl-4-sulfonamide group as a connection unit between the N-{4-[(E)-(2-formylhydrazinylidene)methyl]-3-hydroxyphenyl} and the 2-hydroxy-N-(trifluoroacetyl)benzamide moiety, respectively, as two zinc-binding group (ZBG), have been designed, synthesized and tested for their biological activity...
December 1, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28969884/prognostic-factors-in-head-and-neck-mucoepidermoid-carcinoma-experience-at-a-single-institution-based-on-64-consecutive-patients-over-a-28-year-period
#4
M Granic, P Suton, D Mueller, I Cvrljevic, I Luksic
Mucoepidermoid carcinoma (MEC) is the most common malignancy of the salivary glands. The clinical behaviour of MEC is largely unpredictable, ranging from indolent tumour growth to highly aggressive metastatic spread. The objective of this study was to determine the clinicopathological predictors of recurrence and survival in patients with head and neck MEC. The medical records of 64 patients who underwent surgical treatment for head and neck MEC between 1982 and 2010 were reviewed. The main outcome measures were disease-free survival (DFS) and overall survival (OS)...
September 29, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28948459/nut-midline-carcinoma-a-series-of-five-cases-including-one-with-unusual-clinical-course
#5
Aanchal Kakkar, Vijay Mariadas Antony, David Victor Kumar Irugu, Narayan Adhikari, Deepali Jain
NUT midline carcinomas (NMCs) are rare, poorly differentiated tumors with aggressive biological behavior and a characteristic molecular signature. Availability of NUT antibody has facilitated diagnosis of NMC without molecular testing. We report a series of head and neck NMCs diagnosed using NUT IHC at our institute, including one case with an unusual course. Immunohistochemistry for NUT was performed in nasal and sinonasal tumors with diagnoses of undifferentiated carcinoma, poorly differentiated squamous cell carcinoma and malignant neoplasm, not otherwise specified, to identify cases of NMC...
September 25, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28917257/exploiting-molecular-genomics-in-precision-radiation-oncology-a-marriage-of-biological-and-physical-precision
#6
Janice S H Tan, Xiaotian Lin, Kevin L M Chua, Paula Y Lam, Khee-Chee Soo, Melvin L K Chua
Achieving local tumour control is paramount for cure in head and neck and prostate cancers. With the transition to precision radiotherapy (RT) techniques, survival rates have improved in the majority of these cancers, but a substantial proportion of 30-40% still relapse following primary treatment. Recent large-scale molecular profiling studies have revealed unique biological events that could explain for tumour aggression and resistance to therapies, redefining the molecular taxonomy of head and neck and prostate cancers...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28859688/a-13-gene-expression-based-radioresistance-score-highlights-the-heterogeneity-in-the-response-to-radiation-therapy-across-hpv-negative-hnscc-molecular-subtypes
#7
Jean-Philippe Foy, Louis Bazire, Sandra Ortiz-Cuaran, Sophie Deneuve, Janice Kielbassa, Emilie Thomas, Alain Viari, Alain Puisieux, Patrick Goudot, Chloé Bertolus, Nicolas Foray, Youlia Kirova, Pierre Verrelle, Pierre Saintigny
BACKGROUND: Radiotherapy for head and neck squamous cell carcinomas (HNSCC) is associated with a substantial morbidity and inconsistent efficacy. Human papillomavirus (HPV)-positive status is recognized as a marker of increased radiosensitivity. Our goal was to identify molecular markers associated with benefit to radiotherapy in patients with HPV-negative disease. METHODS: Gene expression profiles from public repositories were downloaded for data mining. Training sets included 421 HPV-negative HNSCC tumors from The Cancer Genome Atlas (TCGA) and 32 HNSCC cell lines with available radiosensitivity data (GSE79368)...
September 1, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28858212/novel-molecular-targets-for-chemoprevention-in-malignancies-of-the-head-and-neck
#8
REVIEW
Aarti Bhatia, Barbara Burtness
Cancers of the head and neck region are among the leading causes of cancer-related mortalities worldwide. Oral leukoplakia and erythroplakia are identified as precursor lesions to malignancy. Patients cured of an initial primary head and neck cancer are also susceptible to developing second primary tumors due to cancerization of their mucosal field. Multi-step acquisition of genetic mutations leading to tumorigenesis and development of invasive cancer has been previously described. Recently, whole exome sequencing of tumor specimens has helped to identify driver mutations in this disease...
August 31, 2017: Cancers
https://www.readbyqxmd.com/read/28812214/the-role-of-human-papillomavirus-on-the-prognosis-and-treatment-of-oropharyngeal-carcinoma
#9
Nicholas Fung, Farhoud Faraji, Hyunseok Kang, Carole Fakhry
Human papillomavirus positive oropharyngeal cancer (HPV-positive OPC) is a distinct subtype of head and neck carcinoma (HNC) distinguished from HPV-negative HNC by its risk factor profile, clinical behavior, and molecular biology. Compared to HPV-negative HNC, HPV-positive OPC exhibits significantly better prognosis and an enhanced response to treatment. Recognition of the survival benefit of HPV-positive tumors has led to therapeutic de-intensification strategies aiming to mitigate treatment-related toxicities while maintaining high response rates...
September 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28780190/targeting-eph-ephrin-system-in-cancer-therapy
#10
REVIEW
Alessio Lodola, Carmine Giorgio, Matteo Incerti, Ilaria Zanotti, Massimiliano Tognolini
It is well established that the Eph/ephrin system plays a central role in the embryonic development, with minor implications in the physiology of the adult. However, it is overexpressed and deregulated in a variety of tumors, with a primary involvement in tumorigenesis, tumor angiogenesis, metastasis development, and cancer stem cell regeneration. Targeting the Eph/ephrin system with biologicals, including antibodies and recombinant proteins, reduces tumor growth in animal models of hematological malignancies, breast, prostate, colon, head and neck cancers and glioblastoma...
July 18, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28721019/inhibitors-of-the-pd-1-pd-l1-axis-for-the-treatment-of-head-and-neck-cancer-current-status-and-future-perspectives
#11
REVIEW
Xiongwen Ran, Kai Yang
Head and neck cancer (HNC) is a common malignant tumor, but traditional therapeutic methods have unsatisfactory curative effects and many complications occur. Hence, there is an urgent need to develop therapeutic methods that can elicit curative effects as well as low toxic and few side effects. With the development of cancer molecular biology and immunology, targeted therapy for immune checkpoints of programmed cell death 1 (PD-1) and programmed cell death ligand 1 (PD-L1) has shown enormous development prospects for HNC treatment...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28705099/heat-induced-brca2-degradation-in-human-tumors-provides-rationale-for-hyperthermia-parp-inhibitor-combination-therapies
#12
Nathalie van den Tempel, Hanny Odijk, Netteke van Holthe, Kishan Naipal, Anja Raams, Berina Eppink, Dik van Gent, Jose Hardillo, Gerda Verduijn, Jan Drooger, Gerard van Rhoon, Dineke Smedts, Helena van Doorn, Joost Boormans, Agnes Jager, Martine Franckena, Roland Kanaar
PURPOSE: Hyperthermia (40-44°C) effectively sensitizes tumors to radiotherapy by locally altering tumor biology. One of the effects of heat at the cellular level is inhibition of DNA repair by homologous recombination via degradation of the BRCA2-protein. This suggests that hyperthermia can expand the group of patients that benefit from PARP-inhibitors, a drug exploiting homologous recombination deficiency. Here, we explore whether the molecular mechanisms that cause heat-mediated degradation of BRCA2 are conserved in cell lines from various origins and, most importantly, whether, BRCA2 protein levels can be attenuated by heat in freshly biopted human tumors...
July 13, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28678827/identifying-novel-genes-and-biological-processes-relevant-to-the-development-of-cancer-therapy-induced-mucositis-an-informative-gene-network-analysis
#13
REVIEW
Cielito C Reyes-Gibby, Stephanie C Melkonian, Jian Wang, Robert K Yu, Samuel A Shelburne, Charles Lu, Gary Brandon Gunn, Mark S Chambers, Ehab Y Hanna, Sai-Ching J Yeung, Sanjay Shete
Mucositis is a complex, dose-limiting toxicity of chemotherapy or radiotherapy that leads to painful mouth ulcers, difficulty eating or swallowing, gastrointestinal distress, and reduced quality of life for patients with cancer. Mucositis is most common for those undergoing high-dose chemotherapy and hematopoietic stem cell transplantation and for those being treated for malignancies of the head and neck. Treatment and management of mucositis remain challenging. It is expected that multiple genes are involved in the formation, severity, and persistence of mucositis...
2017: PloS One
https://www.readbyqxmd.com/read/28675017/-analysis-of-the-current-status-of-research-on-human-papillomavirus-associated-head-and-neck-cancers-based-on-recent-chinese-literature
#14
REVIEW
Liu Yan, Cao Mingxin, Wu Jiashun, Gao Xiaolei, Liang Xinhua
OBJECTIVE: To analyze the current status of research on human papillomavirus (HPV)-associated head and neck cancers in China using national and international references. METHODS: We searched for bibliographies in the electronic databases of Sichuan University, including Chinese Biological and Medical Database (CBM), China Science and Technology Journal Database (VIP), and Wanfang Journal Database. Then, data was selected and extracted to analyze the basic characteristics of HPV-related head and neck cancers, the general prevalence of HPV, and the effects of various clinic pathological indicators on HPV patients...
June 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28664935/mutually-exclusive-recurrent-kras-and-map2k1-mutations-in-rosai-dorfman-disease
#15
Sofia Garces, L Jeffrey Medeiros, Keyur P Patel, Shaoying Li, Sergio Pina-Oviedo, Jingyi Li, Juan C Garces, Joseph D Khoury, C Cameron Yin
Rosai-Dorfman disease is a histiocytic disorder with a poorly defined pathogenesis. Recent molecular studies have revealed recurrent mutations involving genes in the MAPK/ERK pathway in Langerhans cell histiocytosis and Erdheim-Chester disease. However, cases of Rosai-Dorfman disease have rarely been assessed. We performed next-generation sequencing to assess 134 genes on 21 cases of Rosai-Dorfman disease, including 13 women and 8 men with a median age of 43 years (range, 3-82). In all, 13 had extranodal, 5 had nodal, and 3 had coexistent nodal and extranodal disease...
October 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28643759/overall-treatment-duration-with-multimodality-treatment-approach-and-outcome-results-in-oral-cavity-carcinoma-a-study-from-an-institute-from-central-india
#16
Vandana Jain, Digpal Dharkar, Hamsa Nandini, Shailendra M Jain
OBJECTIVE OF THE STUDY: To see the different age groups, gender, sites, disease stage, treatment outcome of various oral cavity sites carcinoma by combined modalities and the overall treatment duration. MATERIALS AND METHODS: A total of 212 oral cavity carcinoma patients (169 males and 43 females) with complete records (from September 2009 to December 2012) were analyzed for age, sex, histopathology, associated medical illnesses, various subsites with disease stage, various treatment modalities with the duration and follow-up records for disease control as well as disease failure at local, nodal, local + nodal, and distant metastasis...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28613101/targeting-igf1r-pathway-in-cancer-with-micrornas-how-close-are-we
#17
Arathy S Kumar, Suresh K Rayala, Ganesh Venkatraman
Cancer of the head and neck are the most common cancers in India and account for 30% of all cancers. At molecular level, it could be attributed to the over-expression of growth factors like IGF1-R, EGFR, VEGF-R and deregulation of cell cycle regulators and tumor suppressors. IGF1-R is an emerging target in head and neck cancer treatment, because of its reported role in tumor development, progression and metastasis. IGF1R targeted agents are in advanced stages of clinical development. Nevertheless, these agents suffer from several disadvantages including acquired resistance and toxic side effects...
June 14, 2017: RNA Biology
https://www.readbyqxmd.com/read/28588149/tumor-metabolic-features-identified-by-fdg-pet-correlates-with-gene-networks-of-immune-cell-microenvironment-in-head-and-neck-cancer
#18
Kwon Joong Na, Hongyoon Choi
The importance of FDG PET in imaging head and neck squamous cell carcinoma (HNSCC) has grown in recent decades. Since PET has prognostic values, and provides functional and molecular information in HNSCC, the genetic and biologic backgrounds associated with PET parameters are of great interests. Here, as a systems biology approach, we aimed to investigate gene networks associated with tumor metabolism and their biological function using RNA sequence and FDG PET data. Methods: Using RNA sequence data of HNSCC downloaded from TCGA data portal, we constructed gene coexpression network...
June 6, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28579578/the-t-box-transcription-factor-3-in-development-and-cancer
#19
Tarryn Willmer, Aretha Cooper, Jade Peres, Rehana Omar, Sharon Prince
T-box factors comprise an archaic family of evolutionary conserved transcription factors that regulate patterns of gene expression essential for embryonic development. The T-box transcription factor 3 (TBX3), a member of this family, is expressed in several tissues and plays critical roles in, among other structures, the heart, mammary gland and limbs and haploinsufficiency of the human TBX3 gene is the genetic basis for the autosomal dominant disorder, ulnar-mammary syndrome. Overexpression of TBX3 on the other hand has been linked to several cancers including melanoma, breast, pancreatic, liver, lung, head and neck, ovarian, bladder carcinomas and a number of sarcoma subtypes...
June 4, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28578852/radioactive-iodine-therapy-molecular-imaging-and-serum-biomarkers-for-differentiated-thyroid-cancer-2017-guidelines-of-the-french-societies-of-nuclear-medicine-endocrinology-pathology-biology-endocrine-surgery-and-head-and-neck-surgery
#20
Slimane Zerdoud, Anne-Laure Giraudet, Sophie Leboulleux, Laurence Leenhardt, Stéphane Bardet, Jérôme Clerc, Marie-Elisabeth Toubert, Abir Al Ghuzlan, Pierre-Jean Lamy, Claire Bournaud, Isabelle Keller, Frédéric Sebag, Renaud Garrel, Eric Mirallié, Lionel Groussin, Elif Hindié, David Taïeb
No abstract text is available yet for this article.
July 2017: Annales D'endocrinologie
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