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https://www.readbyqxmd.com/read/28921460/nfbd1-mdc1-participates-in-the-regulation-of-proliferation-and-apoptosis-in-human-laryngeal-squamous-cell-carcinoma
#1
X Liu, Z Qiu, Z Wang, W Zuo, Z Gong, C Liu, Q Zeng, Y Qian, L Jiang, Y Li, Y Bu, G Hu
PURPOSE: The objective of the study was to investigate the role of NFBD1 in the proliferation and apoptosis of laryngeal squamous cell carcinoma (LSCC) cells. METHODS: Immunohistochemistry (IHC) and qRT-PCR was employed to determine the expressions of NFBD1 protein and mRNA in LSCC tissues and adjacent noncancerous tissues. After the downregulation of NFBD1 expression, the colony formation assay, MTS assay and apoptosis assay were used to investigate the changes in the proliferation and apoptosis of Hep2 cells...
September 18, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28902347/measuring-the-response-of-human-head-and-neck-squamous-cell-carcinoma-to-irradiation-in-a-microfluidic-model-allowing-customized-therapy
#2
Ramsah Cheah, Rishi Srivastava, Nicholas D Stafford, Andrew W Beavis, Victoria Green, John Greenman
Radiotherapy is the standard treatment for head and neck squamous cell carcinoma (HNSCC), however, radioresistance remains a major clinical problem despite significant improvements in treatment protocols. Therapeutic outcome could potentially be improved if a patient's tumour response to irradiation could be predicted ex vivo before clinical application. The present study employed a bespoke microfluidic device to maintain HNSCC tissue whilst subjecting it to external beam irradiation and measured the responses using a panel of cell death and proliferation markers...
October 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28901478/microrna%C3%A2-195-inhibits-cell-proliferation-migration-and-invasion-in-laryngeal-squamous-cell-carcinoma-by-targeting-rock1
#3
Yang Liu, Jixiang Liu, Lin Wang, Xiangli Yang, Xiang Liu
Laryngeal carcinoma is the second most common malignancy of the head and neck cancers. The most common type of laryngeal carcinoma comprises laryngeal squamous cell carcinoma (LSCC), which accounts for ~95% of laryngeal carcinoma cases. Despite great progress in diagnostic and therapeutic techniques over the last few decades, the prognosis for patients with LSCC remains poor. A number of studies reported that various miRNAs are dysregulated in LSCC and serve critical roles in LSCC tumorigenesis and tumor development...
September 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28899969/tmem16a-ano1-inhibits-apoptosis-via-down-regulation-of-bim-expression
#4
Neal R Godse, Nayel I Khan, Zachary A Yochum, Roberto Gomez-Casal, Carolyn Kemp, Daniel J Shiwarski, Raja Seethala, Scott Kulich, Mukund Seshadri, Timothy F Burns, Umamaheswar Duvvuri
PURPOSE: TMEM16A is a calcium-activated chloride channel that is amplified in a variety of cancers, including 30% of head and neck squamous cell carcinomas (HNSCC), raising the possibility of an anti-apoptotic role in malignant cells. The present study investigated this using a multi-modal, translational investigation. EXPERIMENTAL DESIGN: Combination of 1) in vitro HNSCC cell culture experiments assessing cell viability, apoptotic activation, and protein expression 2) in vivo studies assessing similar outcomes, and 3) molecular and staining analysis of human HNSCC samples...
September 12, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28895160/oncologic-outcomes-of-ktp-laser-surgery-versus-radiation-for-t1-glottic-carcinoma
#5
Jamal Ahmed, Ahmed Sherif Gabr Ibrahim, Laura M Freedman, David E Rosow
OBJECTIVES/HYPOTHESIS: To characterize outcomes for patients who underwent transoral microsurgery with potassium titanyl phosphate (KTP) laser resection of early glottic cancers and to compare outcomes with patients who received external beam radiation therapy. STUDY DESIGN: Retrospective cohort study. METHODS: The history of patients with T1 glottic carcinoma treated with curative primary radiation or transoral KTP laser resection was reviewed...
September 12, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28895157/laryngeal-exposure-and-margin-status-in-glottic-cancer-treated-by-transoral-laser-microsurgery
#6
Cesare Piazza, Alberto Paderno, Paola Grazioli, Francesca Del Bon, Nausica Montalto, Pietro Perotti, Riccardo Morello, Marta Filauro, Piero Nicolai, Giorgio Peretti
OBJECTIVE: Laryngeal exposure is one of the most limiting factors in transoral laser microsurgery (TLM) for glottic cancer. We evaluated the correlation between the degree of laryngeal exposure, as assessed by an easy previously described scoring tool (Laryngoscore), and histopathologic surgical margin status after TLM. STUDY DESIGN: Prospective evaluation of 147 patients affected by Tis-T2 glottic cancer treated by TLM with curative intent between January 2012 and April 2016...
September 12, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28894270/a-novel-role-for-nanog-as-an-early-cancer-risk-marker-in-patients-with-laryngeal-precancerous-lesions
#7
Juan P Rodrigo, M Ángeles Villaronga, Sofía T Menéndez, Francisco Hermida-Prado, Miquel Quer, Isabel Vilaseca, Eva Allonca, Daniel Pedregal Mallo, Aurora Astudillo, Juana M García-Pedrero
NANOG is a master regulator of embryonic stem cell pluripotency, found to be frequently aberrantly expressed in a variety of cancers, including laryngeal carcinomas. This study investigates for the first time the role of NANOG expression in early stages of laryngeal tumourigenesis and its potential utility as cancer risk marker. NANOG protein expression was evaluated by immunohistochemistry using two large independent cohorts of patients with laryngeal precancerous lesions, and correlated with clinicopathological parameters and laryngeal cancer risk...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28891598/prevalence-of-human-papillomavirus-in-benign-and-malignant-laryngeal-lesions-in-egyptian-patients-cross-sectional-study
#8
Peter Milad, Hany Kassamy, Anas Askoura, Soha Auelela, Ramy Salem, Dina Ragab
OBJECTIVE: To assess the prevalence of HPV in benign and malignant laryngeal lesions among Egyptian patients. DESIGN: Observational analytical cross-sectional study. SETTING: Ain Shams University hospital, Otorhinolaryngology department. PARTICIPANTS: Formalin-fixed paraffin-embedded specimens of 126 patients (70 benign laryngeal lesions and 56 squamous cell carcinoma lesions) were assessed for the presence of HPV DNA using MY09/11 PCR-based DNA detection...
September 11, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28891087/elucidation-of-salvage-laryngectomy-pathologic-and-clinical-variables-to-guide-further-treatment-intensification-investigation
#9
Joseph Scharpf, Matthew Ward, David Adelstein, Shlomo Koyfman, Mingsi Li
OBJECTIVE/HYPOTHESIS: There are limited treatment options beyond surgical salvage for patients who fail nonoperative treatment for laryngeal squamous cell carcinoma. In this study, we examine the failure patterns after surgical salvage and the potential pathologic and clinical prognostic variables that might guide further postoperative intensification investigation. STUDY DESIGN: Retrospective analysis at a tertiary academic referral center. METHODS: From an institutional review board-approved institutional head and neck cancer registry, a consecutive series of 147 patients who underwent salvage laryngectomy for squamous cell cancer recurrence or persistence after radiotherapy with or without chemotherapy between May 1995 and May 2016 were identified...
September 11, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28889782/sex-related-hormone-receptor-in-laryngeal-squamous-cell-carcinoma-correlation-with-androgen-estrogen-%C3%A9-and-prolactin-receptor-expression-and-influence-of-prognosis
#10
Mengjia Fei, Jingwen Zhang, Jiaqing Zhou, Yanan Xu, Jiadong Wang
BACKGROUND: The expression and function of androgen receptors (AR) and estrogen receptor alpha (ER-ɑ) in laryngeal squamous cell carcinoma (LSCC) have remained controversial for decades. Prolactin receptor (PRLR) is a sex-related hormone, that has been rarely documented in terms of expression or function compared with data on other hormone receptors in laryngeal carcinoma. METHODS: This study reports on immunohistochemical and reverse transcription-polymerase chain reaction (RT-PCR) analysis of tumour tissue and adjacent normal tissue in 96 patients with LSCC (82 males and 14 females)...
September 11, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28885660/cortactin-and-phosphorylated-cortactin-tyr421-and-tyr466-expression-in-supraglottic-laryngeal-carcinomas-and-lymph-node-metastases
#11
Gino Marioni, Marco Lionello, Rosario Marchese-Ragona, Elena Fasanaro, Elisa Valentini, Elisabetta Zanoletti, Paola Stritoni, Giulia Ramacciotti, Vincenza Guzzardo, Luciano Giacomelli, Giovanni Ralli, Giancarlo Ottaviano, Stella Blandamura
BACKGROUND: The most important adverse prognostic factor for laryngeal squamous cell carcinoma (LSCC) is the presence of cervical lymph node metastases. The supraglottic area of the larynx is richly supplied with lymphatics, and 25%-75% of supraglottic carcinomas metastasize in neck lymph nodes. Cortactin is a multidomain protein related to actin cytoskeleton regulation, podosome and lamellipodia formation, integrin signaling, axon guidance and extracellular matrix degradation. Cortactin is involved in metastasis formation because of its role in cell mobility...
September 5, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28882960/parathyroid-carcinoma-in-patients-that-have-undergone-surgery-for-primary-hyperparathyroidism
#12
Petr Libánský, Svatopluk Adámek, Petr Broulík, Martina Fialová, Josef Kubinyi, Robert Lischke, Ondřej Naňka, Pavel Pafko, Jiří Šedý, Vladimír Bobek
BACKGROUND/AIM: Parathyroid carcinoma is a rare clinical entity, which represents one of the main reasons, why surgery should be performed in specialized centres. Preoperatively, it is very difficult to distinguish between benign and malignant hyperparathyroidism. PATIENTS AND METHODS: During the years 1996-2016, we performed 2,220 operations in 2,075 patients with a diagnosis of primary hyperparathyroidism. RESULTS: Among these 2,220 operations, there were 16 operations for parathyroid carcinoma...
September 2017: In Vivo
https://www.readbyqxmd.com/read/28881887/learning-curve-for-robotic-esophagectomy-and-dissection-of-bilateral-recurrent-laryngeal-nerve-nodes-for-esophageal-cancer
#13
S Y Park, D J Kim, D R Kang, S J Haam
Dissection of bilateral recurrent laryngeal nerve (RLN) nodes is a technically demanding procedure, but robotic systems have been useful for RLN node dissection. This retrospective study investigated the learning curve for bilateral RLN node dissection in esophageal-cancer patients using a robotic system for esophageal cancer. We retrospectively reviewed 33 consecutive patients who received a robotic esophagectomy and total lymphadenectomy by single surgeon. The patients were divided into either group 1 (initial 20 cases) or group 2 (later 13 cases)...
December 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28871957/-expression-of-brca2-in-tumor-tissues-in-patients-with-laryngeal-squamous-cell-carcinoma-and-its-clinical-significance
#14
Xingbo He, Chuan Liu, Zhihai Wang, Zhitao Gong, Guohua Hu
Objective To determine the role of breast cancer susceptibility gene 2 (BRCA2) in laryngeal squamous cell carcinoma and investigate its clinical implication. Methods The expression of BRCA2 was examined by immunohistochemistry in 62 tissues of pathologically identified laryngeal squamous cell carcinoma and 23 tissues of vocal fold polyp. The relationships between BRCA2 expression and clinicopathological characteristics were further analyzed. The expression of BRCA2 mRNA and protein were detected by real-time quantitative PCR (qRT-PCR) and Western blot analysis in pathologically identified laryngeal squamous cell carcinoma tissues and corresponding normal tissues...
August 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28869196/-role-of-induction-chemotherapy-in-head-and-neck-cancer-cons
#15
F Huguet, U Schick, Y Pointreau
The treatment of locally advanced head and neck squamous cell carcinoma is based on concomitant chemoradiotherapy. A sequential treatment combining induction chemotherapy with docetaxel, cisplatin and 5-fluorouracil (TPF), followed by (chemo)radiotherapy is frequently used as part of laryngeal preservation strategies. Apart from this particular situation, the benefit in terms of survival of induction chemotherapy has been much discussed in recent years. In five recent randomized trials, chemoradiotherapy was compared with TPF induction chemotherapy followed by chemoradiotherapy...
August 28, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28868026/ultrasound-guided-transoral-videolaryngoscopic-surgery-for-retropharyngeal-lymph-node-metastasis-of-papillary-thyroid-cancer
#16
Kazunori Fujiwara, Takahiro Fukuhara, Satoshi Koyama, Ryohei Donishi, Hideyuki Kataoka, Hiroya Kitano, Hiromi Takeuchi
BACKGROUND: Endoscopic-assisted transoral surgery, including transoral robotic surgery for metastatic retropharyngeal lymph node (RPN) from well-differentiated thyroid cancer, has been reported to reduce the complications resulting from transcervical and transmandibular approaches. However, the narrow working space and difficulty identifying RPN are problematic. To solve these issues, several studies have used intraoperative ultrasound in endoscopic-assisted transoral surgery. However, the type of ultrasonography suitable for this purpose remains unclear...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28861601/the-role-of-high-risk-human-papillomavirus-infections-in-laryngeal-squamous-cell-carcinoma
#17
REVIEW
Claus Wittekindt, Nora Wuerdemann, Stefan Gattenlöhner, Alexander Brobeil, Malgorzata Wierzbicka, Steffen Wagner, Jens Peter Klußmann
The contribution of human papillomavirus (HPV) to the development and clinical outcome of oropharyngeal cancers has been well documented. The association of HPV in laryngeal squamous cell carcinoma (LSCC) has been examined in several studies, but controversy exists regarding its role in carcinogenesis, the outcome of the patients and thus, clinical significance of HPV testing in LSCC. In this review, we give an update of known associations between HPV-positive testing and carcinogenesis in laryngeal cancer...
August 31, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28859387/perioperative-outcomes-of-single-port-mediastinoscope-assisted-transhiatal-esophagectomy-for-thoracic-esophageal-cancer
#18
H Fujiwara, A Shiozaki, H Konishi, T Kosuga, S Komatsu, D Ichikawa, K Okamoto, E Otsuji
We developed an en bloc lymphadenectomy method in the upper mediastinum with a single-port mediastinoscopic cervical approach. This study was designed to evaluate the safety and efficacy of single-port mediastinoscope-assisted transhiatal esophagectomy for thoracic esophageal cancer. The perioperative outcomes of 60 patients with thoracic esophageal cancer who underwent this operation between March 2014 and June 2016 were retrospectively analyzed. The upper mediastinal dissection including lymphadenectomy along the left recurrent laryngeal nerve, using a left cervical approach, was performed with a single-port mediastinoscopic technique, which was used to improve the visibility and handling in the deep mediastinum around the aortic arch...
October 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28858110/predictors-of-lymph-nodes-posterior-to-the-right-recurrent-laryngeal-nerve-metastasis-in-patients-with-papillary-thyroid-carcinoma-a-retrospective-study
#19
Jiru Yuan, Jinghua Li, Xiaoyi Chen, Zhenwei Zhong, Zhengbo Chen, Ying Yin, Jialin Du, Shuzhen Cong, Zeyu Wu
The aim of this study was to identify the risk factors associated with lymph nodes posterior to the right recurrent laryngeal nerve (LN-prRLN) metastasis in patients with papillary thyroid carcinoma (PTC).A total of 81 PTC patients who underwent total/near-total thyroidectomy with LN-prRLN dissection in the Department of General Surgery at Guangdong General Hospital between June 2015 and August 2016 were assessed retrospectively. The relations of LN-prRLN metastasis with clinicopathologic characteristics of PTC were analyzed by univariate and multivariate logistic regression...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28852532/an-unusual-neck-tumor-in-a-young-pregnant-woman-challenge-diagnosis-and-response-to-treatment
#20
Juan F Arango, Juan C López, Virginia Arrazubi, Silvia Cisneros, Angel Rodríguez, Aitor Zabala, Purificación Martinez Del Prado
We report the case of a 19-year-old woman 33 weeks pregnant who presented a painful mass of progressive growth in the neck, having also dysphonia and dyspnea. Physical examination revealed a primary laryngeal tumor. A neuroendocrine small-cell carcinoma was diagnosed after histopathology, immunohistochemistry and genetic studies. Chemo-radiotherapy with a cisplatin-etoposide schedule was administered. Despite obtaining a complete response, the patient relapsed and finally survived 35 months with successive cisplatin-based treatments...
August 2017: Oxford Medical Case Reports
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