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https://www.readbyqxmd.com/read/28631562/cancer-stem-cell-markers-in-patterning-differentiation-and-in-prognosis-of-oral-squamous-cell-carcinoma
#1
Simple Mohanta, Gangotri Siddappa, Sindhu Govindan Valiyaveedan, Ravindra Dodda Thimmasandra Ramanjanappa, Debashish Das, Ramanan Pandian, Samanta Sekhar Khora, Moni Abraham Kuriakose, Amritha Suresh
Differentiation is a major histological parameter determining tumor aggressiveness and prognosis of the patient; cancer stem cells with their slow dividing and undifferentiated nature might be one of the factors determining the same. This study aims to correlate cancer stem cell markers (CD44 and CD147) with tumor differentiation and evaluate their subsequent effect on prognosis. Immunohistochemical analysis in treatment naïve oral cancer patients (n = 53) indicated that the expression of CD147 was associated with poorly differentiated squamous cell carcinoma and moderately differentiated squamous cell carcinoma (p < 0...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28602290/a-sensitive-and-disposable-electrochemical-immunosensor-for-detection-of-sox2-a-biomarker-of-cancer
#2
Elif Burcu Aydın, Mustafa Kemal Sezgintürk
A novel, sensitive, disposable indium tin oxide (ITO)-based electrochemical immunosensor was developed firstly for simple, rapid determination of Sex-determining region Y-box 2 (SOX2). SOX2 is a cancer biomarker and used for detecting small cell lung cancer, lung adenocarcinoma, squamous cell carcinoma, skin cancer, prostate cancer, and breast cancer. In this study, a disposable ITO thin film based electrode was used as working electrode for biosensing the interaction between SOX2 antigen and anti-SOX2 antibody...
September 1, 2017: Talanta
https://www.readbyqxmd.com/read/28576321/quantification-of-gene-specific-dna-methylation-in-oesophageal-cancer-via-electrochemistry
#3
Md Hakimul Haque, Vinod Gopalan, Md Nazmul Islam, Mostafa Kamal Masud, Ripon Bhattacharjee, Md Shahriar Al Hossain, Nam-Trung Nguyen, Alfred K Lam, Muhammad J A Shiddiky
Development of simple and inexpensive method for the analysis of gene-specific DNA methylation is important for the diagnosis and prognosis of patients with cancer. Herein, we report a relatively simple and inexpensive electrochemical method for the sensitive and selective detection of gene-specific DNA methylation in oesophageal cancer. The underlying principle of the method relies on the affinity interaction between DNA bases and unmodified gold electrode. Since the affinity trend of DNA bases towards the gold surface follows as adenine (A) > cytosine (C) > guanine (G)> thymine (T), a relatively larger amount of bisulfite-treated adenine-enriched unmethylated DNA adsorbs on the screen-printed gold electrodes (SPE-Au) in comparison to the guanine-enriched methylated sample...
July 11, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28522318/survival-of-women-with-microinvasive-adenocarcinoma-of-the-cervix-is-not-improved-by-radical-surgery
#4
Lisa M Bean, Kristy K Ward, Steven C Plaxe, Michael T McHale
BACKGROUND: Treatment for early-invasive adenocarcinoma of the cervix remains controversial. Although data have shown similar survival rates to those seen with squamous cell carcinoma, conservative options for patients with microinvasive adenocarcinoma have not been as widely accepted. Despite comparable survival outcomes, patients with early-invasive adenocarcinoma are still routinely subjected to more radical surgical techniques than their equivalently staged squamous cell counterparts...
May 15, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28516982/colorimetric-and-electrochemical-quantification-of-global-dna-methylation-using-a-methyl-cytosine-specific-antibody
#5
Md Hakimul Haque, Ripon Bhattacharjee, Md Nazmul Islam, Vinod Gopalan, Nam-Trung Nguyen, Alfred K Lam, Muhammad J A Shiddiky
We report a simple colorimetric (naked-eye) and electrochemical method for the rapid, sensitive and specific quantification of global methylation levels using only 25 ng of input DNA. Our approach utilises a three-step strategy; (i) initial adsorption of the extracted, purified and denatured bisulfite-treated DNA on a screen-printed gold electrode (SPE-Au), (ii) immuno-recognition of methylated DNA using a horseradish peroxidase (HRP)-conjugated methylcytosine (HRP-5mC) antibody and (iii) subsequent colorimetric detection by the enzymatic oxidation of 3,3',5,5'-tetramethylbenzidin (TMB)/H2O2 which generated a blue-coloured product in the presence of methylated DNA and HRP-5mC immunocomplex...
May 18, 2017: Analyst
https://www.readbyqxmd.com/read/28469313/evaluation-of-cytology-in-lung-cancer-diagnosis-based-on-ebus-tbna
#6
Zhengwei Dong, Hui Li, Hongbin Jiang, Chunyan Wu
AIMS: Endobronchial ultrasound (EBUS) is a relatively new modality that can be used to guide transbronchial needle aspiration (TBNA) of mediastinal lymph nodes. At present, researches on the sensitivity and specificity of cytopathology based on the EBUS-TBNA are deficient; therefore, we want to evaluate the value of cytology based on the EBUS-TBNA in this article. MATERIALS AND METHODS: We reviewed the 379 cases that underwent the EBUS-TBNA in Shanghai Pulmonary Hospital from April 2010 to May 2011...
April 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28442880/trichoscopic-patterns-in-squamous-cell-carcinoma-a-case-report
#7
Balachandra S Ankad, Mahajabeen Madarkar, Gourishetty Saipriya, Punit S Sakhare, Vijay D Dombale
Squamous cell carcinoma (SCC) is the second most cutaneous malignancy after basal cell carcinoma (BCC) with increasing incidence. In the view its nodular manifestation; it can appear similar to nodular BCC, atypical fibroxanthoma, sclerosing liposarcoma and desmoplastic melanoma. Prognostic and therapeutic implications are different in all these conditions and thus their distinction becomes important. Trichoscopy is a simple and non-invasive technique to visualize certain morphological features of skin lesions and it improves the diagnostic accuracy for melanocytic and nonmelanocytic pigmented lesions...
October 2016: International Journal of Trichology
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
#8
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...
July 15, 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
#9
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
#10
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
#11
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
#12
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...
April 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28365443/genetic-alterations-in-esophageal-tissues-from-squamous-dysplasia-to-carcinoma
#13
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 the most common subtype of esophageal cancer. Little is known about the genetic changes that occur in esophageal cells during the development of ESCC. We performed next-generation sequence analyses of esophageal nontumor, 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 (IEN), and ESCC tissues collected from different regions of the esophagus at the same time...
March 30, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28365229/the-role-of-interleukin-10-in-human-papilloma-virus-infection-and-progression-to-cervical-carcinoma
#14
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
#15
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
#16
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 23, 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
#17
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
#18
(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
#19
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-liquid-chromatography-multiple-reaction-monitoring-mass-spectrometry-lc-mrm-ms-method-for-evaluation-of-salivary-proteins-as-oral-cancer-biomarkers
#20
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 noninvasively sampled body fluid...
May 2017: Molecular & Cellular Proteomics: MCP
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