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Endothelins are thought to act through two specific, plasmalemmal G protein-coupled receptor subtypes, ETAR and ETBR. However, in subfractionated cardiac membranes, ETAR immunoreactivity was detected only in the plasma membrane whereas ETBR immunoreactivity was detected predominantly in membranes of intracellular origin. Confocal microscopy demonstrated the(More)
BACKGROUND Eighty percent of hypopharyngeal squamous cell carcinoma patients have advanced stages (III and IV) of the disease, and biological markers are required to predict high-risk head and neck squamous cell carcinoma patients in need of highly aggressive treatments after surgery to improve the survival rate. We analyzed the potential prognostic value(More)
Stimulation of endothelin receptors (ETRs) leads to activation of the extracellular signal-regulated protein kinase (ERK) cascade. It is unclear whether compartmentalization to lipid rafts is necessary for proper endothelin signaling, as methodologies employed to isolate and study caveolae involve detergent extraction, which may induce aggregation of(More)
PURPOSE To compare the efficacy and safety of induction chemotherapy (ICT) followed by chemoradiotherapy (CRT) or bioradiotherapy (BRT) for larynx preservation (LP). PATIENTS AND METHODS Previously untreated patients with stage III to IV larynx/hypopharynx squamous cell carcinoma received three cycles of ICT-docetaxel and cisplatin 75 mg/m(2) each on day(More)
Enhancements to memory are associated with enhanced neural structures that support those capabilities. A great deal of work has examined this relationship in the context of natural variation in spatial memory capability and hippocampal (Hp) structure. Most studies have focused on volumetric and neuron measures, but have seldom examined the role of glial(More)
It is accepted that the follow-up of patients who had treatment for laryngeal cancer is a fundamental part of their care. The reasons of post-treatment follow-up include evaluation of treatment response, early identification of recurrence, early detection of new primary tumours, monitoring and management of complications, optimisation of rehabilitation,(More)
OBJECTIVES/HYPOTHESIS To examine the level of expression of galectin-3 in relation to neoplastic progression of hypopharyngeal squamous cell carcinomas (HSCCs) and laryngeal squamous cell carcinomas (LSCCs). STUDY DESIGN Retrospective study. METHODS Using a polyclonal antibody against galectin-3 without cross-reactivity to other galectins, we analyzed(More)
BACKGROUND This study was designed to assess the early and long-term results, and determine suitable indications of anterior mediastinal tracheostomy, after radical resection for cervicothoracic malignancies. METHODS From 1985 to 2009, 13 patients ranging in age from 40 to 75 years underwent an anterior mediastinal tracheostomy for malignancy, 2 as an(More)
Warthin's tumor of the parotid gland is assumed to originate from the proliferation of epithelial inclusions within parotid lymph nodes. In that case, these cells are supposed to retain characteristics similar to common salivary gland ductal cells. Using immunohistochemical fingerprinting with four members of the family of adhesion/growth-regulatory(More)
AIM To define specific staining patterns for the adhesion/growth-regulatory lectin tandem-repeat-type galectin-8 in hypopharyngeal and laryngeal tumor progression and relate these parameters to galectins 1, 3 and 7 in the quest to explore the galectin network. MATERIALS AND METHODS The level of expression of galectin-8 was determined immunohistochemically(More)