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simple squamous cell carcinoma

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https://www.readbyqxmd.com/read/28425625/a-missense-mutation-in-damage-specific-dna-binding-protein-2-is-a-genetic-risk-factor-for-limbal-squamous-cell-carcinoma-in-horses
#1
Rebecca R Bellone, Jiayin Liu, Jessica L Petersen, Maura Mack, Moriel Singer-Berk, Cord Drögemüller, Julia Malvick, Barbara Wallner, Gottfried Brem, M Cecilia Penedo, Mary Lassaline
Squamous cell carcinoma (SCC) is the most common cancer of the equine eye, frequently originating at the limbus, with the potential to invade the cornea, cause visual impairment, and result in loss of the eye. Several breeds of horses have a high occurrence of limbal SCC implicating a genetic basis for limbal SCC predisposition. Pedigree analysis in the Haflinger breed supports a simple recessive mode of inheritance and a genome wide association study (N=23) identified a 1.5 Mb locus on ECA12 significantly associated with limbal SCC (Pcorrected = 0...
April 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28412450/pegylated-doxorubicin-nanoparticles-mediated-by-hn-1-peptide-for-targeted-treatment-of-oral-squamous-cell-carcinoma
#2
Yue Wang, Guoyun Wan, Zhiyuan Li, Shurui Shi, Bowei Chen, Chunyu Li, Lianyun Zhang, Yinsong Wang
HN-1, a 12-amino acid peptide, has been reported to possess strong capabilities for targeting and penetrating head and neck squamous cell carcinoma. Here, we designed a simple but effective nanoparticle system for the delivery of doxorubicin (DOX) targeting oral squamous cell carcinoma (OSCC) through the mediation of HN-1. PEGylated DOX (PD) was firstly synthesized by the conjugation of DOX with bis-amino-terminated poly(ethylene glycol) via succinyl linkage, and then PD nanoparticles were prepared by a modified nanoprecipitation method...
April 12, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28392228/subungual-squamous-cell-carcinoma-a-case-study
#3
Cory J Neill
The purpose of this case study is to describe a dosimetric delivery of radiation to a superficial disease process involving the skin and bone of the distal finger. A 76-year-old male patient presented with a subungual squamous cell carcinoma (SCC) of the left distal index finger with bony involvement. The patient refused conventional surgical treatment but agreed to external beam radiation therapy (EBRT). There is a gap in the current literature describing how to successfully immobilize fingers and which EBRT modality is dosimetrically advantageous in treating them...
April 6, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28392128/is-parametrectomy-always-necessary-in-early-stage-cervical-cancer
#4
Glauco Baiocchi, Louise de Brot, Carlos Chaves Faloppa, Henrique Mantoan, Matheus Rodrigues Duque, Levon Badiglian-Filho, Alexandre Andre Balieiro Anastacio da Costa, Lillian Yuri Kumagai
OBJECTIVE: Increasing data suggest that patients with early-stage cervical cancer and favorable pathological characteristics have a low risk of parametrial invasion (PI) and benefit from less radical surgery. Our aim was to evaluate the clinical-pathological factors that are related to PI and identify a group of patients who are at low risk for PI. METHODS: We analyzed a series of 345 patients with stage Ia2 to Ib2 cervical cancer, for which they underwent radical surgery from January 1990 to October 2016 at AC Camargo Cancer Center...
April 6, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28370831/elevated-preoperative-neutrophil-lymphocyte-ratio-as-a-preoperative-indicator-of-mature-cystic-teratoma-with-malignant-transformation
#5
Yoshiko Nanki, Tatsuyuki Chiyoda, Fumio Kataoka, Hiroyuki Nomura, Naoki Nakadaira, Naomi Iwasa, Shiho Hashimoto, Hirokazu Arima, Nobuyuki Susumu, Daisuke Aoki
AIM: To examine the usefulness of the neutrophil : lymphocyte (N/L) ratio as a cost-effective and simple diagnostic marker of mature cystic teratoma (MCT) with malignant transformation (MT). METHODS: A retrospective chart review was performed between 1998 and 2013 of 12 MCT patients with MT and between 2009 and 2013 of 130 patients with benign MCT. Data were collected on age, tumor size, white blood cell count with differential counts, tumor marker levels, and presenting features...
March 28, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28365443/genetic-alterations-as-esophageal-tissues-from-squamous-dysplasia-to-carcinoma
#6
Xi Liu, Min Zhang, Songmin Ying, Chong Zhang, Runhua Lin, Jiaxuan Zheng, Guohong Zhang, Dongping Tian, Yi Guo, Caiwen Du, Yuping Chen, Shaobin Chen, Xue Su, Juan Ji, Wanting Deng, Xiang Li, Shiyue Qiu, Ruijing Yan, Zexin Xu, Yuan Wang, Yuanning Guo, Jiancheng Cui, Shanshan Zhuang, Huan Yu, Qi Zheng, Moshe Marom, Sitong Sheng, Guoqiang Zhang, Songnian Hu, Ruiqiang Li, Min Su
BACKGROUND & AIMS: Esophageal squamous cell carcinoma (ESCC) is most common subtype of esophageal cancer. Little is known about the genetic changes that occur in esophageal cells during development of ESCC. We performed next-generation sequence analyses of esophageal non-tumor, intraepithelial neoplasia (IEN), and ESCC tissues from the same patients to track genetic changes during tumor development. METHODS: We performed whole-genome, exome, or targeted sequence analyses of 227 esophageal tissue samples from 70 patients with ESCC undergoing resection at Shantou University Medical College in China from 2012 through 2015 (no patients had received chemotherapy or radiation therapy); we analyzed normal tissue, tissue with simple hyperplasia, dysplastic tissue (intraepithelial neoplasia, IEN), and ESCC tissues collected from different regions of the esophagus at the same time...
March 29, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28365229/the-role-of-interleukin-10-in-human-papilloma-virus-infection-and-progression-to-cervical-carcinoma
#7
REVIEW
Fernanda Costa Brandão Berti, Ana Paula Lombardi Pereira, Guilherme Cesar Martelossi Cebinelli, Kleber Paiva Trugilo, Karen Brajão de Oliveira
Although Human Papillomavirus (HPV) exerts a vital influence on cervical carcinogenesis, other factors influence the development of a squamous intraepithelial lesion (SIL) that may or not progress to cervical cancer. Among several cytokines, Interleukin 10 (IL-10) stands out as an important anti-inflammatory factor, leading to immune system evasion through an immunosuppressive state. In the cervical microenvironment, during different stages of HPV infection, IL-10 production can be induced and maintained by different cell sources, including infected keratinocytes, some subsets of dendritic cells (DC), tumor associated macrophages (TAM), T regulatory cells (Treg) and tumor cells...
March 23, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28363898/there-is-still-a-role-for-cytology-in-the-liquid-biopsy-era-a-lesson-from-a-tki-treated-patient-showing-adenocarcinoma-to-squamous-cell-carcinoma-transition-during-disease-progression
#8
Eduardo Clery, Pasquale Pisapia, Salvatore Feliciano, Elena Vigliar, Antonio Marano, Caterina De Luca, Umberto Malapelle, Giancarlo Troncone, Claudio Bellevicine
Non-small cell lung carcinoma harbouring epidermal growth factor receptor (EGFR) mutation, usually progress after an initial response to tyrosine-kinase inhibitors (TKI). Liquid biopsy enables with a simple blood draw the accurate detection of EGFR p.T790M mutation, the most common resistance mechanism, avoiding the more invasive tissue re-biopsy. However, in a subset of cases, resistance mechanisms are more complex featuring both genetic and morphological changes. Here we report the case of a 67 years-old woman, affected by an EGFR mutated lung adenocarcinoma and treated by TKI...
March 31, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28342951/a-model-to-identify-individuals-at-high-risk-for-esophageal-squamous-cell-carcinoma-and-precancerous-lesions-in-regions-of-high-prevalence-in-china
#9
Mengfei Liu, Zhen Liu, Hong Cai, Chuanhai Guo, Xiang Li, Chaoting Zhang, Hui Wang, Dong Hang, Fangfang Liu, Qiuju Deng, Xin Yang, Wenqing Yuan, Yaqi Pan, Jingjing Li, Chanyuan Zhang, Na Shen, Zhonghu He, Yang Ke
BACKGROUND & AIMS: We aimed to develop a population-based model to identify individuals at high-risk for esophageal squamous cell carcinoma (ESCC) in regions of China with a high prevalence of this cancer. METHODS: We collected findings from 15,073 permanent residents (45-69 years old) of 334 randomly selected villages in Hua County, Henan Province, China who underwent endoscopic screening (with iodine staining) for ESCC from January 2012 through September 2015...
March 22, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28296547/analysis-of-silver-binding-nucleolar-organizer-regions-in-exfoliative-cytology-smears-of-potentially-malignant-and-malignant-oral-lesions
#10
G V Sowmya, P Nahar, M Astekar, H Agarwal, M P Singh
Nucleolar organizer regions are nucleolar components that contain proteins that are stained selectively by silver methods; they can be identified as black dots throughout the nucleolus and are known as silver binding nucleolar organizer regions (AgNOR). The number of AgNOR is related to the cell cycle and the proliferative activity of the cells. We investigated AgNOR using exfoliative cytology smears of potentially malignant oral lesions. Eighty individuals were divided into four equal groups: healthy controls, oral leukoplakia, oral submucous fibrosis and oral squamous cell carcinoma...
2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28272004/surgical-outcomes-post-neoadjuvant-chemotherapy-in-stage-iv-cancers-of-oral-cavity
#11
(no author information available yet)
AIM: To know the effect of neoadjuvant chemotherapy on surgical outcomes (R1 resections, post-operative complications, recurrence and follow up) in Stage IV borderline operable cancers of oral cavity. MATERIALS AND METHODS: Patients in group A (n=45) were those who were referred for neoadjuvant chemotherapy (NACT) with an intention to operate at a later date. These were compared with 45 patients of group B who were operated upfront. All 90 patients have stage IV squamous cell carcinoma of oral cavity...
January 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28243122/the-lymphocyte-monocyte-ratio-predicts-tumor-response-and-survival-in-patients-with-locally-advanced-esophageal-cancer-who-received-definitive-chemoradiotherapy
#12
Xuemei Liu, Minghuan Li, Fen Zhao, Yingming Zhu, Yijun Luo, Li Kong, Hui Zhu, Yan Zhang, Fang Shi, Jinming Yu
BACKGROUND: The lymphocyte-monocyte ratio (LMR), a simple biomarker that can reflect the antitumor immune response of the host, has been associated with patient prognosis in several solid tumors. The aim of this study was to evaluate whether LMR can predict clinical tumor response and prognosis in patients with locally advanced esophageal squamous cell carcinoma (ESCC) who received definitive chemoradiotherapy (CRT). PATIENTS AND METHODS: A total of 162 advanced ESCC patients treated at our institution between January 2012 and December 2013 were retrospectively recruited for analysis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28235782/development-of-a-multiplexed-lc-mrm-ms-method-for-evaluation-of-salivary-proteins-as-oral-cancer-biomarkers
#13
Yi-Ting Chen, Hsiao-Wei Chen, Chun-Feng Wu, Lichieh Julie Chu, Wei-Fang Chiang, Chih-Ching Wu, Jau-Song Yu, Cheng-Han Tsai, Kung-Hao Liang, Yu-Sun Chang, Maureen Wu, Wei-Ting Ou Yang
Multiple (selected) reaction monitoring (MRM/SRM) of peptides is a growing technology for target protein quantification because it is more robust, precise, accurate, high-throughput, and multiplex-capable than antibody-based techniques. The technique has been applied clinically to the large-scale quantification of multiple target proteins in different types of fluids. However, previous MRM-based studies have placed less focus on sample-preparation workflow and analytical performance in the precise quantification of proteins in saliva, a non-invasively sampled body fluid...
February 24, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28235445/research-techniques-made-simple-identification-and-characterization-of-long-noncoding-rna-in-dermatological-research
#14
Dario Antonini, Maria Rosaria Mollo, Caterina Missero
Long noncoding RNAs (lncRNAs) are a functionally heterogeneous and abundant class of RNAs acting in all cellular compartments that can form complexes with DNA, RNA, and proteins. Recent advances in high-throughput sequencing and techniques leading to the identification of DNA-RNA, RNA-RNA, and RNA-protein complexes have allowed the functional characterization of a small set of lncRNAs. However, characterization of the full repertoire of lncRNAs playing essential roles in a number of normal and dysfunctional cellular processes remains an important goal for future studies...
March 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28176443/quantitative-phosphoproteomic-analysis-reveals-system-wide-signaling-pathways-regulated-by-site-specific-phosphorylation-on-keratin-8-in-skin-squamous-cell-carcinoma-derived-cell-line
#15
Richa Tiwari, Indrajit Sahu, Bihari Lal Soni, Gajanan J Sathe, Keshava K Datta, Pankaj Thapa, Shruti Sinha, Chella Krishna Vadivel, Bharti Dhaka, Harsha Gowda, Milind M Vaidya
Keratin 8/18, a simple epithelia specific keratin pair, is often aberrantly expressed in squamous cell carcinomas (SCC) where its expression is correlated with increased invasion and poor prognosis. Majority of Keratin 8 (K8) functions are governed by its phosphorylation at Serine(73) (head-domain) and Serine(431) (tail-domain) residues. Although, deregulation of K8 phosphorylation is associated with progression of different carcinomas, its role in skin-SCC and the underlying mechanism is obscure. In this direction, we performed TMT-based quantitative phosphoproteomics by expressing K8 wild type, phosphodead and phosphomimetic mutants in K8-deficient A431 cells...
February 7, 2017: Proteomics
https://www.readbyqxmd.com/read/28155253/characterization-of-key-transcription-factors-as-molecular-signatures-of-hpv-positive-and-hpv-negative-oral-cancers
#16
Gaurav Verma, Kanchan Vishnoi, Abhishek Tyagi, Mohit Jadli, Tejveer Singh, Ankit Goel, Ankita Sharma, Kiran Agarwal, Subhash Chandra Prasad, Durgatosh Pandey, Shashi Sharma, Ravi Mehrotra, Sukh Mahendra Singh, Alok Chandra Bharti
Prior studies established constitutively active AP-1, NF-κB, and STAT3 signaling in oral cancer. Differential expression/activation of specific members of these transcription factors has been documented in HPV-positive oral lesions that respond better to therapy. We performed a comprehensive analysis of differentially expressed, transcriptionally active members of these pivotal signaling mediators to develop specific signatures of HPV-positive and HPV-negative oral lesions by immunohistochemical method that is applicable in low-resource settings...
March 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28103272/prevalence-and-determinants-of-oral-human-papillomavirus-infection-in-500-young-adults-from-italy
#17
Valentina Lupato, Dana Holzinger, Daniela Höfler, Anna Menegaldo, Paolo Giorgi Rossi, Annarosa Del Mistro, Maria Cristina Da Mosto, Michael Pawlita, Paolo Boscolo-Rizzo
Although the prevalence of human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) is increasing in developed countries and becoming a relevant health issue, the natural history of oral HPV infection is still unclear. Estimating the infection's prevalence in specific populations and identifying risk factors can widen our understanding of its natural history and help to delineate appropriate prevention strategies. This study sought to (i) determine oral HPV prevalence and genotype distribution in a large series of young Italian adults, (ii) validate an oral rinse sampling/storage protocol, and (iii) pinpoint factors associated with oral HPV infection...
2017: PloS One
https://www.readbyqxmd.com/read/28061890/hpv-dna-in-saliva-from-patients-with-scc-of-the-head-and-neck-is-specific-for-p16-positive-oropharyngeal-tumours
#18
Jason K Wasserman, Ryan Rourke, Bibianna Purgina, Lisa Caulley, Jim Dimitroulakis, Martin Corsten, Stephanie Johnson-Obaseki
BACKGROUND: Human papillomavirus (HPV) is an important cause of head and neck squamous cell carcinoma (HNSCC), especially in young people. These tumours overexpress p16 and respond well to treatment. The rapid detection of HPV in patients with HNSCC may expedite treatment when p16 status is not immediately available. METHODS: Saliva-based DNA collection kits and nested polymerase chain reaction (PCR) were used to determine the HPV status of 62 individuals with biopsy-proven HNSCC...
January 6, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28043248/-the-application-of-two-occupation-health-risk-assessment-models-in-a-wooden-furniture-manufacturing-industry
#19
A H Wang, P B Leng, G L Bian, X H Li, G C Mao, M B Zhang
Objective: To explore the applicability of 2 different models of occupational health risk assessment in wooden furniture manufacturing industry. Methods: American EPA inhalation risk model and ICMM model of occupational health risk assessment were conducted to assess occupational health risk in a small wooden furniture enterprises, respectively. Results: There was poor protective measure and equipment of occupational disease in the plant. The concentration of wood dust in the air of two workshops was over occupational exposure limit (OEL) , and the CTWA was 8...
October 20, 2016: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/28005741/two-thirds-lip-defects-a-new-combined-reconstructive-technique-for-patients-with-epithelial-cancer
#20
Tiziana Vitagliano, Lucia Stella Curto, Antonio Greto Ciriaco, Pietro Gareri, Diego Ribuffo, Manfredi Greco
BACKGROUND: The lips are a common site prone to squamous cell carcinomas, which arise in the facial region. There are different techniques to reconstruct the excised lip region, according to dimensions, area, and position of the tumor. The authors describe a new technique of lip reconstruction born from a combination between a nasolabial flap and adipose tissue transplant. METHODS: The study was lead in the Plastic and Reconstructive Surgery Department of the University of Catanzaro...
November 2016: Journal of Craniofacial Surgery
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