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https://www.readbyqxmd.com/read/28340235/polymerase-chain-reaction-human-papillomavirus-hpv-detection-and-hpv-genotyping-in-invasive-cervical-cancers-with-prior-negative-hc2-test-results
#1
Xiang Tao, Baowen Zheng, Fufen Yin, Zhengyu Zeng, Zaibo Li, Christopher C Griffith, Bing Luo, Xiangdong Ding, Xianrong Zhou, Chengquan Zhao
Objectives: Recently, three large Chinese cohort studies showed that 7.5% to 15.5% of patients with cervical carcinoma had negative high-risk human papillomavirus (hrHPV) test results on prior cytology specimens. These studies raise the question as to whether these negative hrHPV results represent truly hrHPV-negative carcinomas or false-negative hrHPV test results due to limitations in the testing of cytology specimens. This is increasingly an important question with increasing push to use hrHPV testing alone to screen for cervical cancer...
March 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28339425/potential-role-of-the-ovol1-ovol2-axis-and-c-myc-in-the-progression-of-cutaneous-squamous-cell-carcinoma
#2
Takamichi Ito, Gaku Tsuji, Fumitaka Ohno, Takeshi Nakahara, Hiroshi Uchi, Masutaka Furue
OVOL1 and OVOL2 are ubiquitously conserved genes encoding C2H2 zinc-finger transcription factors in mammals. They promote epithelial cell proliferation, differentiation, and mesenchymal-to-epithelial transition, coordinately mediated via the Wnt signaling pathway. We previously reported that human OVOL1 and OVOL2 were preferentially expressed in the normal epidermis and hair follicles as well as their tumors, and found that OVOL1 is upregulated in Bowen's disease and downregulated in cutaneous squamous cell carcinoma...
March 24, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28336434/vav1-expression-is-increased-in-esophageal-squamous-cell-carcinoma-and-indicates-poor-prognosis
#3
Xiaolei Zhu, Huan Jin, Ziwei Xia, Xianxian Wu, Mingjian Yang, Hongdian Zhang, Xiaobin Shang, Runfen Cheng, Zhongli Zhan, Zhentao Yu
Recently, Vav1 has been suggested to play an essential role in the progression of human cancers. However, the correlation between Vav1 expression and prognosis of esophageal squamous cell carcinoma (ESCC) is still unknown. The aim of this study was to investigate Vav1 expression and its prognostic value in ESCC. The expression of Vav1 was detected by real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR) and Western blotting in ESCC tissues and matched nontumorous tissues. Immunohistochemistry (IHC) was carried out to detect Vav1 expression in paraffin samples from 112 primary ESCC patients...
March 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28334858/comparison-between-neoadjuvant-chemotherapy-followed-by-surgery-and-definitive-chemoradiotherapy-for-overall-survival-in-patients-with-clinical-stage-ii-iii-esophageal-squamous-cell-carcinoma-jcog1406-a
#4
Motoo Nomura, Ken Kato, Nobutoshi Ando, Atsushi Ohtsu, Kei Muro, Hiroyasu Igaki, Tetsuya Abe, Hiroya Takeuchi, Hiroyuki Daiko, Masahiro Gotoh, Kozo Kataoka, Masashi Wakabayashi, Yuko Kitagawa
Background: Neoadjuvant chemotherapy followed by surgery (NAC-S) represents the standard treatment for patients with Stage II/III esophageal squamous cell carcinoma (ESCC) in Japan. Chemoradiotherapy (CRT) is performed in patients who refuse or have contraindications to surgery. However, randomized clinical trials that compare NAC-S with CRT have not been conducted. The aim of this study was to explore subgroups of patients undergoing CRT to identify those with survival outcomes potentially equivalent to NAC-S...
March 17, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28334837/clinical-outcome-of-definitive-radiation-therapy-for-superficial-esophageal-cancer
#5
Yutaro Koide, Takeshi Kodaira, Hiroyuki Tachibana, Natsuo Tomita, Chiyoko Makita, Makoto Itoh, Tetsuya Abe, Kei Muro, Masahiro Tajika, Yasumasa Niwa, Yoshiyuki Itoh, Shinji Naganawa
Objective: To analyze the clinical outcome of concurrent chemoradiotherapy in superficial esophageal cancer patients. Methods: We retrospectively analyzed data for 123 patients with superficial esophageal cancer who received external beam radiotherapy without intracavitary brachytherapy plus systemic chemotherapy during 1998-2015. Elective nodal irradiation was not performed. The dosage to planning treatment volume was 60 Gy in 30 fractions. The main outcome measure was overall survival...
February 23, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28334399/association-of-hiv-status-with-local-immune-response-to-anal-squamous-cell-carcinoma-implications-for-immunotherapy
#6
Elizabeth L Yanik, Genevieve J Kaunitz, Tricia R Cottrell, Farah Succaria, Tracee L McMiller, Maria L Ascierto, Jessica Esandrio, Haiying Xu, Aleksandra Ogurtsova, Toby Cornish, Evan J Lipson, Suzanne L Topalian, Eric A Engels, Janis M Taube
Importance: The programmed cell death protein 1 (PD-1) and programmed death-ligand 1 (PD-L1) pathway play an important immunosuppressive role in cancer and chronic viral infection, and have been effectively targeted in cancer therapy. Anal squamous cell carcinoma (SCC) is associated with both human papillomavirus and HIV infection. To date, patients with HIV have been excluded from most trials of immune checkpoint blocking agents, such as anti-PD-1 and anti-PD-L1, because it was assumed that their antitumor immunity was compromised compared with immunocompetent patients...
March 23, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28334093/association-between-mirna-binding-site-polymorphisms-in-double-strand-break-repair-genes-and-risk-of-recurrence-in-patients-with-squamous-cell-carcinomas-of-the-nonoropharynx
#7
Lijun Zhu, Erich M Sturgis, Zhongming Lu, Hua Zhang, Peng Wei, Qingyi Wei, Guojun Li
Genetic polymorphisms at miRNA-binding sites may affect miRNA-mediated gene regulation. Thus, miRNA-binding site polymorphisms in double-strand break (DSB) repair genes may affect DNA repair capacity, which in turn could affect cancer prognosis. To determine whether miRNA-binding site polymorphisms in DSB repair genes are associated with the risk of recurrence of squamous cell carcinoma of the nonoropharynx (SCCNOP), we used a log-rank test and multivariable Cox models to evaluate the associations between miRNA-binding site polymorphisms in DSB repair genes and SCCNOP recurrence...
February 18, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28333602/bilateral-basaloid-squamous-cell-carcinoma-of-the-parotid-gland-a-case-report-and-review-of-the-literature
#8
Alexander Rivero, Christopher G Tang, Barry M Rasgon
INTRODUCTION: We describe the first known case of bilateral basaloid squamous cell carcinoma of the parotid gland, and we review existing literature. CASE PRESENTATION: A previously healthy, 70-year-old white man presented with a 2-cm enlarging mass in the tail of the right parotid gland. Magnetic resonance imaging and computed tomography showed ipsilateral pathologic adenopathy. Results of fine-needle aspiration revealed a high-grade malignancy with squamous features...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28333258/anal-neoplasia-in-inflammatory-bowel-disease-classification-proposal-epidemiology-carcinogenesis-and-risk-management-perspectives
#9
Andrew Wisniewski, Jean-Francois Fléjou, Laurent Siproudhis, Laurent Abramowitz, Magali Svrcek, Laurent Beaugerie
Patients with inflammatory bowel disease (IBD) may develop, similarly to individuals from general population, rare cases of HPV-related anal canal squamous cell carcinoma (SCC) and their intra-epithelial precursor lesions, as well as very rare cases of anal canal adenocarcinoma. Patients with chronic perianal Crohn's disease (CD) are at substantial risk of developing SCC or adenocarcinoma from the fistula-lining epithelium, as well as SCC or adenocarcinoma arising from chronic anorectal ulcerations or strictures...
March 10, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28332555/loxl2-drives-epithelial-mesenchymal-transition-via-activation-of-ire1-xbp1-signalling-pathway
#10
Eva P Cuevas, Pilar Eraso, María J Mazón, Vanesa Santos, Gema Moreno-Bueno, Amparo Cano, Francisco Portillo
Epithelial-to-Mesenchymal Transition (EMT) is a key process contributing to the aggressiveness of cancer cells. EMT is triggered by activation of different transcription factors collectively known as EMT-TFs. Different cellular cues and cell signalling networks activate EMT at transcriptional and posttranscriptional level in different biological and pathological situations. Among them, overexpression of LOXL2 (lysyl oxidase-like 2) induces EMT independent of its catalytic activity. Remarkably, perinuclear/cytoplasmic accumulation of LOXL2 is a poor prognosis marker of squamous cell carcinomas and is associated to basal breast cancer metastasis by mechanisms no yet fully understood...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332498/a-genome-wide-screen-identifies-yap-wbp2-interplay-conferring-growth-advantage-on-human-epidermal-stem-cells
#11
Gernot Walko, Samuel Woodhouse, Angela Oliveira Pisco, Emanuel Rognoni, Kifayathullah Liakath-Ali, Beate M Lichtenberger, Ajay Mishra, Stephanie B Telerman, Priyalakshmi Viswanathan, Meike Logtenberg, Lisa M Renz, Giacomo Donati, Sven R Quist, Fiona M Watt
Individual human epidermal cells differ in their self-renewal ability. To uncover the molecular basis for this heterogeneity, we performed genome-wide pooled RNA interference screens and identified genes conferring a clonal growth advantage on normal and neoplastic (cutaneous squamous cell carcinoma, cSCC) human epidermal cells. The Hippo effector YAP was amongst the top positive growth regulators in both screens. By integrating the Hippo network interactome with our data sets, we identify WW-binding protein 2 (WBP2) as an important co-factor of YAP that enhances YAP/TEAD-mediated gene transcription...
March 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28332090/disparities-in-the-clinical-evolution-of-anal-neoplasia-in-an-hiv-infected-cohort
#12
Edward R Cachay, Wollelaw Agmas, Wm Christopher Mathews
BACKGROUND: A recent meta-analysis suggested that anal intraepithelial neoplasia and invasive anal cancer are more prevalent among black men having sex with men (MSM). METHODS: We conducted a retrospective cohort of HIV-infected adult patients under care between 2001 and 2012. Disparities in clinical evolution of anal intraepithelial neoplasia to high-grade squamous intraepithelial lesion (HSIL) and invasive anal cancer were evaluated in a three-state Markov model adjusted for cytology misclassification...
March 23, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28331811/proteomic-analysis-of-bronchoalveolar-lavage-fluid-balf-from-lung-cancer-patients-using-label-free-mass-spectrometry
#13
Abduladim Hmmier, Michael Emmet O'Brien, Vincent Lynch, Martin Clynes, Ross Morgan, Paul Dowling
BACKGROUND: Lung cancer is the leading cause of cancer-related mortality in both men and women throughout the world. The need to detect lung cancer at an early, potentially curable stage, is essential and may reduce mortality by 20%. The aim of this study was to identify distinct proteomic profiles in bronchoalveolar fluid (BALF) and plasma that are able to discriminate individuals with benign disease from those with non-small cell lung cancer (NSCLC). METHODS: Using label-free mass spectrometry analysis of BALF during discovery-phase analysis, a significant number of proteins were found to have different abundance levels when comparing control to adenocarcinoma (AD) or squamous cell lung carcinoma (SqCC)...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28331735/metaplastic-breast-carcinoma-analysis-of-clinical-and-pathologic-characteristics-a-case-series
#14
Semra Salimoğlu, İsmail Sert, Mustafa Emiroğlu, Cem Karaali, Dilek Kuzukıran, Yasemin Akyüz Kırmızı, Gülden Diniz, Cengiz Aydın
OBJECTIVE: Metaplastic breast cancer (MBC) is a rare type of breast cancer that is considered to be clinically aggressive. The clinical significance and prognostic risk factors of MBC are limited. This study comprises a retrospective analysis of the clinical and pathologic findings of a series of patients treated for MBC. MATERIALS AND METHODS: The files of 657 patients who underwent surgery because of breast cancer at our clinic were examined and the data found on 11 patients who were diagnosed as having MBC were analyzed...
April 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331341/investigating-the-expression-effect-and-tumorigenic-pathway-of-padi2-in-tumors
#15
Wei Guo, Yabing Zheng, Bing Xu, Fang Ma, Chang Li, Xiaoqian Zhang, Yao Wang, Xiaotian Chang
BACKGROUND: Peptidylarginine deiminase (PAD) catalyzes the conversion of arginine residues to citrulline residues, termed citrullination. Recent studies have suggested that PAD isoform 2 (PADI2) plays an important role in tumors, although its tumorigenic effect and mechanism are largely unknown. MATERIALS AND METHODS: Immunohistochemistry and enzyme-linked immunosorbent assay (ELISA) were used to investigate the expression level of PADI2 in various tumor tissues and patient blood samples, respectively...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28331310/codelivery-of-doxorubicin-and-triptolide-with-reduction-sensitive-lipid-polymer-hybrid-nanoparticles-for-in-vitro-and-in-vivo-synergistic-cancer-treatment
#16
Bo Wu, Shu-Ting Lu, Liu-Jie Zhang, Ren-Xi Zhuo, Hai-Bo Xu, Shi-Wen Huang
Codelivery is a promising strategy to overcome the limitations of single chemotherapeutic agents in cancer treatment. Despite progress, codelivery of two or more different functional drugs to increase anticancer efficiency still remains a challenge. Here, reduction-sensitive lipid-polymer hybrid nanoparticles (LPNPs) drug delivery system composed of monomethoxy-poly(ethylene glycol)-S-S-hexadecyl (mPEG-S-S-C16), soybean lecithin, and poly(D,L-lactide-co-glycolide) (PLGA) was used for codelivery of doxorubicin (DOX) and a Chinese herb extract triptolide (TPL)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28331271/adenoid-cystic-carcinoma-of-trachea
#17
Ashish Varghese, Swati Suneha, John C Watkinson
Adenoid cystic carcinoma (ACC) is the second most common primary malignant tumor of the trachea, after squamous cell carcinoma. Patients present with upper airway obstructive symptoms and signs including dyspnoea, cough, haemoptysis, and stridor which are often insidious, delaying diagnosis and optimal management. Described here is an unusual case of primary ACC cervical trachea with concomitant micropapillary thyroid carcinoma (microPTC) in a middle-aged lady presenting with cough and breathing difficulty since 3 months...
February 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28331188/seven-lncrna-mrna-based-risk-score-predicts-the-survival-of-head-and-neck-squamous-cell-carcinoma
#18
Zhi-Li Zhang, Li-Jing Zhao, Liang Chai, Shui-Hong Zhou, Feng Wang, Yan Wei, Ya-Ping Xu, Peng Zhao
Dysregulation of mRNAs and long non-coding RNAs (lncRNAs) is one of the most important features of carcinogenesis and cancer development. However, studies integrating the expression of mRNAs and lncRNAs to predict the survival of head and neck squamous cell carcinoma (HNSC) are still limited, hitherto. In current work, we identified survival related mRNAs and lncRNAs in three datasets (TCGA dataset, E-TABM-302, GSE41613). By random forest, seven gene signatures (six mRNAs and lncRNA) were further selected to develop the risk score model...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28330578/necrotizing-sialometaplasia-of-the-parotid-gland-associated-with-facial-nerve-paralysis
#19
P Haen, L Ben Slama, P Goudot, T Schouman
INTRODUCTION: Necrotizing sialometaplasia is a benign inflammatory lesion involving most frequently the minor salivary gland of the hard palate. Involvement of the parotid gland is rare, involvement of the parotid gland associated with facial palsy is exceptional. CASE REPORT: A 56-year-old male patient with Marfan syndrome presented with swelling and inflammation of the left parotid gland associated with progressively complete facial nerve paralysis. CT scan and MRI showed a parotid collection with hyper signal of the nearest tissues associated with erosion of the styloid process...
February 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28330331/identification-and-quantification-of-novel-rna-isoforms-in-horn-cancer-of-bos-indicus-by-comprehensive-rna-seq
#20
Subhash J Jakhesara, Prakash G Koringa, Neelam M Nathani, Chaitanya G Joshi
Horn cancer (HC) is a squamous cell carcinoma of horn, commonly observed in Bos indicus of the Asian countries. To elucidate the complexity of alternative splicing present in the HC, high-throughput sequencing and analysis of HC and matching horn normal (HN) tissue were carried out. A total of 535,067 and 849,077 reads were analysed after stringent quality filtering for HN and HC, respectively. Cufflinks pipeline for transcriptome analysis revealed 4786 novel splice isoforms comprising 2432 exclusively in HC, 2055 exclusively in HN and 298 in both the conditions...
December 2016: 3 Biotech
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