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https://www.readbyqxmd.com/read/28335497/ginsenoside-ppd-s-antitumor-effect-via-down-regulation-of-mtor-revealed-by-super-resolution-imaging
#1
Bo Teng, Junguang Jiang, Lijing Zhao, Jing Gao, Junyu Chen, Zhe Liu, Hongda Wang, Binfeng Lu
Derived from Panax ginseng, the natural product 20(S)-Protopanaxadiol (PPD) has been reported for its cytotoxicity against several cancer cell lines. The molecular mechanism is, however, not well understood. Here we show that PPD significantly inhibits proliferation, induces apoptosis and causes G2/M cell cycle arrest in human laryngeal carcinoma cells (Hep-2 cells). PPD also decreases the levels of proteins related to cell proliferation. Moreover, PPD-induced apoptosis is characterized by a dose-dependent down-regulation of Bcl-2 expression and up-regulation of Bax, and is accompanied by the activation of Caspase-3 as well...
March 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28331336/gstm1-polymorphism-is-related-to-risks-of-nasopharyngeal-cancer-and-laryngeal-cancer-a-meta-analysis
#2
REVIEW
Fengying Zhang, Xijiang Wu, Jinming Niu, Xiufeng Kang, Liya Cheng, Yanchun Lv, Meimei Wu
BACKGROUND: Accumulating data have reported that GSTM1 polymorphism may be related to nasopharyngeal cancer (NPC) and laryngeal cancer (LC). This meta-analysis was performed to investigate the relationship between GSTM1 polymorphism and risks of NPC and LC. METHODS: Pubmed, Embase, and China National Knowledge Infrastructure (CNKI) databases were searched for potential articles. Odds ratios (ORs) and 95% confidence intervals (CIs) were used to evaluate the relationship of GSTM1 polymorphism with the risks of NPC and LC...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28330573/implication-of-general-anaesthetic-and-sedation-techniques-in-temporomandibular-joint-disorders%C3%A2-%C3%A2-a-systematic-review
#3
J Talaván-Serna, J M Montiel-Company, C Bellot-Arcís, J M Almerich-Silla
The purpose of this study was to conduct a systematic review of the literature on temporomandibular joint damage directly related to general anaesthesia and sedation. We searched MEDLINE, SCOPUS and the COCHRANE Library for titles and abstracts containing terms related to the subject. The search delimiters were analytical and descriptive studies with abstracts in Spanish, German, English or French, with no time limit. The search was updated in January 2015. Of the 398 articles found, 89 were duplicates and only 28 were of interest...
February 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28327951/hpv16-dna-and-integration-in-normal-and-malignant-epithelium-implications-for-the-etiology-of-laryngeal-squamous-cell-carcinoma
#4
X Chen, L Gao, E M Sturgis, Z Liang, Y Zhu, X Xia, X Zhu, X Chen, G Li, Z Gao
Background: Molecular evidence suggests that human papillomavirus (HPV) has a role in the etiology of oropharyngeal squamous cell carcinoma. However, the role of HPV in laryngeal squamous cell carcinoma (LSCC) is unclear. Patients and Methods: We conducted a case-control study using tumor tissue specimens from 300 LSCC patients and vocal cord polyp specimens from 300 cancer-free controls. HPV genotype, HPV16 viral load and viral integration status, and p16 expression were determined...
January 23, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28326958/persistent-left-superior-vena-cava
#5
Vrinda Nair, Kamran Yusuf, Weiming Yu, Hafez AlAwad, Kathy Paul, Essa Al Awad
Persistent left superior vena cava (PLSVC) is a common cardiac anomaly associated with congenital heart diseases. A diagnosis of PLSVC usually warrants a detailed fetal echocardiography. Lesser known associations are the extra cardiac anomalies notably the upper airway and the gastrointestinal tract anomalies. We highlight here the importance of detailed fetal assessment for extra cardiac anomalies in addition to fetal echocardiography in fetuses diagnosed with PLSVC. We hereby present a preterm infant who presented with a triad of PLSVC, laryngeal atresia, and esophageal atresia...
March 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28326616/high-prevalence-of-sensitization-to-gibberellin-regulated-protein-peamaclein-in-fruit-allergies-with-negative-immunoglobulin-e-reactivity-to-bet-v-1-homologs-and-profilin-clinical-pattern-causative-fruits-and-cofactor-effect-of-gibberellin-regulated-protein
#6
Naoko Inomata, Mami Miyakawa, Michiko Aihara
Gibberellin-regulated protein (GRP) is a new allergen in peach allergy, with an amino acid sequence very well conserved through several botanical species. We investigated the allergenicity of GRP in fruit allergies other than peaches and identified the clinical characteristics of fruit allergy patients with GRP sensitization. One hundred consecutive Japanese patients with fruit allergies were enrolled in the present study. To identify the features of GRP sensitization, we selected patients with negative ImmunoCAP results for Bet v 1 homologs and profilin, which are marker allergens for pollen-food allergy syndrome (PFAS), or lipid transfer protein...
March 22, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28326007/evaluation-of-the-cortical-silent-period-of-the-laryngeal-motor-cortex-in-healthy-individuals
#7
Mo Chen, Rebekah L S Summers, George S Goding, Sharyl Samargia, Christy L Ludlow, Cecília N Prudente, Teresa J Kimberley
Objective: This work aimed to evaluate the cortical silent period (cSP) of the laryngeal motor cortex (LMC) using the bilateral thyroarytenoid (TA) muscles with transcranial magnetic stimulation (TMS). Methods: In 11 healthy participants, fine-wire electromyography (EMG) was used to record bilateral TA muscle responses to single pulse TMS delivered to the LMC in both hemispheres. Peripheral responses to stimulation over the mastoid, where the vagus nerve exits the skull, were collected to verify the central origin of the cortical stimulation responses by comparing the latencies...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28325942/comparative-genomics-reveals-contraction-in-olfactory-receptor-genes-in-bats
#8
Georgia Tsagkogeorga, Steven Müller, Christophe Dessimoz, Stephen J Rossiter
Gene loss and gain during genome evolution are thought to play important roles in adaptive phenotypic diversification. Among mammals, bats possess the smallest genomes and have evolved the unique abilities of powered flight and laryngeal echolocation. To investigate whether gene family evolution has contributed to the genome downsizing and phenotypic diversification in this group, we performed comparative evolutionary analyses of complete proteome data for eight bat species, including echolocating and non-echolocating forms, together with the proteomes of 12 other laurasiatherian mammals...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28325565/impact-of-the-method-and-success-of-pharyngeal-reconstruction-on-the-outcome-of-treating-laryngeal-and-hypopharyngeal-cancers-with-pharyngolaryngectomy-a-national-analysis
#9
S A R Nouraei, A Dias, H Kanona, D Vokes, P O'Flynn, P M Clarke, S E Middleton, A Darzi, P Aylin, N Jallali
BACKGROUND: Surgical treatment of cancers that arise from or invade the hypopharynx presents major reconstructive challenges. Reconstructive failure exposes the airway and neck vessels to digestive contents. METHODS: We performed a national N = near-all analysis of the administrative dataset to identify pharyngolaryngectomies in England between 2002 and 2012. Information about morbidity, pharyngeal closure method and post-operative complications was derived. RESULTS: There were 1589 predominantly male (78%) patients whose mean age at surgery was 62 years...
January 9, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28323575/lung-laryngeal-and-other-respiratory-cancer-incidence-among-japanese-atomic-bomb-survivors-an-updated-analysis-from-1958-through-2009
#10
Elizabeth K Cahoon, Dale L Preston, Donald A Pierce, Eric Grant, Alina V Brenner, Kiyohiko Mabuchi, Mai Utada, Kotaro Ozasa
The Life Span Study (LSS) of Japanese atomic bomb survivors is comprised of a large, population-based cohort offering one of the best opportunities to study the relationship between exposure to radiation and incidence of respiratory cancers. Risks of lung, laryngeal and other cancers of the respiratory system were evaluated among 105,444 LSS subjects followed from 1958 to 2009. During this period, we identified 2,446 lung, 180 laryngeal and 115 other respiratory (trachea, mediastinum and other ill-defined sites) first primary incident cancer cases...
March 21, 2017: Radiation Research
https://www.readbyqxmd.com/read/28322908/examination-of-swallowing-maneuver-training-and-transfer-of-practiced-behaviors-to-laryngeal-vestibule-kinematics-in-functional-swallowing-of-healthy-adults
#11
Renata Guedes, Alba Azola, Phoebe Macrae, Kirstyn Sunday, Veerley Mejia, Alicia Vose, Ianessa A Humbert
Swallowing maneuvers are routinely trained in dysphagia rehabilitation with the assumption that practiced behaviors transfer to functional swallowing, however transfer is rarely examined in the deglutition literature. The goal of this study was to train the volitional laryngeal vestibule closure (vLVC) maneuver, which is a swallowing maneuver that targets prolonged laryngeal vestibule closure (LVC). In two different training experiments, 69 healthy adults underwent Long-hold (hold vLVC as long as possible) or Short-hold vLVC training (hold vLVC for 2s)...
March 18, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28322111/hpv-in-larynx-squamous-cell-carcinoma-new-serotypes-and-survival-study-within-10-year-follow-up
#12
Alvaro Sánchez Barrueco, Fernando González Galán, David Lora Pablos, José Miguel Villacampa Aubá, Claudio Ballestín Carcavilla, Carlos Cenjor Español, Carlos Almodóvar Álvarez
Objective To determine the presence of human papillomavirus (HPV) in head and neck squamous cell carcinoma, specifically in the larynx without the bias of other sublocations, and to describe the different serotypes of HPV and their impact on overall and disease-free survival after 10-year follow-up. Study Design Retrospective case series with chart review of ear, nose, and throat oncologic database. Setting Academic tertiary care hospital. Subjects A total of 123 samples of larynx squamous cell carcinoma were included, only from the glottis and treated only with surgery between 1977 and 2005...
March 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28321495/aberrant-right-subclavian-artery-arteria-lusoria-without-the-known-associated-nerve-anomaly-an-anomaly-of-the-anomaly-a-clinical-case-and-review-of-the-literature
#13
Maria Rosa Pelizzo, Isabella Merante Boschin, Sotirios Chondrogiannis, Francesco Giammarile, Patrick M Colletti, Domenico Rubello
The "non-recurrent" course of the inferior laryngeal nerve (ILN) is an anatomical variant which must be borne in mind during thyroid surgery. The "non-recurrent" course of the ILN on the right side is associated with the aberrant right subclavian artery (arteria lusoria), and, on the left, is described in situs viscerum inversus. We present a case in which the "arteria lusoria" was not associated with the non-recurrent right ILN. The aims of this paper are to report this "anomaly of the anomaly" to surgeons who may be unaware of it on the one hand and on the other to emphasize that this is the only case so far reported in the literature...
March 20, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28320628/clinical-significance-of-contralateral-reactive-lesion-in-vocal-fold-polyp-and-cyst
#14
Jung-Hae Cho, Yong-Sug Choi, Young-Hoon Joo, Young-Hak Park, Dong-Il Sun
OBJECTIVE: We investigated the clinical significance of contralateral reactive lesions in patients undergoing laryngeal microsurgery for benign vocal fold lesions such as vocal polyps and cysts. STUDY DESIGN: This was a retrospective, single institution cohort study. METHODS: Patient medical records were reviewed for demographic characteristics; acoustic, aerodynamic, and perceptual analyses; and Voice Handicap Index score before and after laryngeal microsurgery...
March 17, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28320626/relationship-between-laryngeal-electromyography-and-video-laryngostroboscopy-in-vocal-fold-paralysis
#15
Joel A Maamary, Ian Cole, Paul Darveniza, Cecilia Pemberton, Helen Mary Brake, Stephen Tisch
OBJECTIVES/HYPOTHESIS: The objective of this study was to better define the relationship of laryngeal electromyography and video laryngostroboscopy in the diagnosis of vocal fold paralysis. STUDY DESIGN: Retrospective diagnostic cohort study with cross-sectional data analysis METHODS: Data were obtained from 57 patients with unilateral vocal fold paralysis who attended a large tertiary voice referral center. Electromyographic findings were classified according to recurrent laryngeal nerve, superior laryngeal nerve, and high vagal/combined lesions...
March 17, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28320544/-about-a-case-of-laryngeal-location-of-sapho
#16
L Vatin, E Jean, D Rivière, M Montava, A Giovanni, P Dessi, A Lagier
INTRODUCTION: Synovitis, acne, pustulosis, hyperostosis, osteitis (SAPHO) is a syndrome that combines dermatological, articular and osseous inflammatory manifestations. Bilateral laryngeal immobility relative to cricoarytenoid joint origin is very uncommon. This article presents a case of bilateral cricoarytenoid joint ankylosis in a SAPHO syndrome context. CASE REPORT: A 53-year-old patient presenting with a two year history of intermittent bouts of dyspnea. A SAPHO syndrome was discussed on repeated thoracic CT-scan...
March 17, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28319880/the-importance-of-the-reproducibility-of-oropharyngeal-swallowing-in-amyotrophic-lateral-sclerosis-an-electrophysiological-study
#17
G Cosentino, E Alfonsi, L Mainardi, E Alvisi, F Brighina, F Valentino, B Fierro, G Sandrini, G Bertino, M Berlangieri, R De Icco, M Fresia, A Moglia
OBJECTIVE: To investigate electrophysiologically the reproducibility of oropharyngeal swallowing in patients with ALS. METHODS: We enrolled 26 ALS patients, both with and without clinical signs of dysphagia, and 30 age-matched controls. The reproducibility of the electrophysiological signals related to the oral phase (electromyographic activity of the submental/suprahyoid muscles) and the pharyngeal phase (laryngeal-pharyngeal mechanogram) of swallowing across repeated swallows was assessed...
February 20, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28318970/transcricothyroid-endoscopic-subglottic-surgery-for-posterior-glottic-stenosis-a-case-report
#18
Koji Matsushima, Kentaro Matsuura, Teppei Takeda, Yuko Sasaki, Akira Fukuo, Kota Wada, Yusuke Watanabe
Posterior glottic stenosis (PGS) is a rare but life-threatening condition mostly caused by damage to the interarytenoid mucosa by an endotracheal tube. In surgical treatment of PGS, airway patency is prioritized, and the laryngeal functions involved in swallowing and phonation are considerably sacrificed. In the majority of cases, lateralization of a vocal fold or partial excision of a vocal fold and arytenoid cartilage results in glottal closure insufficiency and deterioration of phonatory function. We present the first report of transcricothyroid endoscopic subglottic surgery to treat a 46-year-old man with PGS who was intubated for 10 days...
March 16, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28318453/helicobacter-pylori-in-the-tonsillar-tissue-a-possible-association-with-chronic-tonsillitis-and-laryngopharyngeal-reflux
#19
N Siupsinskiene, I Katutiene, V Jonikiene, D Janciauskas, S Vaitkus
OBJECTIVE: To identify Helicobacter pylori infection in tonsillar tissue samples from patients undergoing tonsillectomy for chronic tonsillitis versus tonsillar hypertrophy, and to assess the possible relationships between H pylori and patients' sociodemographic data and laryngopharyngeal reflux. METHODS: In this prospective study, 97 patients who underwent tonsillectomy were divided into the following 2 groups: patients with chronic tonsillitis (n = 62) and patients with tonsillar hypertrophy (control group; n = 35)...
March 20, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28318340/characteristic-plethysmographic-findings-in-a-guinea-pig-model-of-copd
#20
Edgar Ramírez-Ramírez, Armando Torres-Ramírez, Jesús Alquicira-Mireles, Abraham Cañavera-Constantino, Patricia Segura-Medina, Martha Montaño-Ramírez, Carlos Ramos-Abraham, Mario H Vargas, José Luis Arreola-Ramírez
AIM OF THE STUDY: Long-term exposure to cigarette smoke generates chronic obstructive pulmonary disease (COPD) in guinea pigs, but a comprehensive evaluation of changes in lung function, as assessed by barometric whole body plethysmography (WBP), is lacking. MATERIALS AND METHODS: Female guinea pigs were exposed to the smoke of 20 cigarettes/day, 5 days/week, during 10 weeks (COPD group, n = 8), and were compared with unexposed female guinea pigs of the same age (control group, n = 8)...
March 20, 2017: Experimental Lung Research
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