نتایج جستجو برای: human laryngeal cancer
تعداد نتایج: 2408932 فیلتر نتایج به سال:
PURPOSE The mechanism of larynx oncogenesis is complex and controlled by various factors, most of them involved in cell proliferation and apoptosis. In this study, we evaluated the levels of two suppressor proteins (pRb and p53) and two oncogenic proteins (c-Myc and Bcl-2), as well as the apoptotic levels and the presence of human papillomavirus (HPV) in both tumor types. EXPERIMENTAL DESIGN ...
BACKGROUND Despite diagnostic and therapeutic advances in head and neck cancer, the 5-year survival of patients with laryngeal cancer has not improved in the last 30 years. Several recent studies indicate that specific targets for immunotherapeutic approaches can be useful in the control of cancer. There is considerable interest in the expression of cancer testis antigens in human cancers since...
MicroRNAs (miRNAs) are endogenously expressed non-coding RNAs, which are involved in the gene expression regulation. Lethal-7a (let-7a) is a founding member of miRNA family and recently it was found to be associated with several cancers, such as lung and colon cancers. In the present study, we found that let-7a miRNA expression was significantly downregulated both in human laryngeal squamous ca...
PURPOSE It has been suggested that selenium deficiency is a risk factor for several cancer types. We conducted a case-control study in Szczecin, a region of northwestern Poland, on 95 cases of lung cancer, 113 cases of laryngeal cancer and corresponding healthy controls. METHODS We measured the serum level of selenium and established genotypes for four variants in four selenoprotein genes (GP...
The aim of this study was to determine the possible relevance of the retinoblastoma protein (pRb) expression in laryngeal cancer as a prognostic criterion and to analyse the correlation between the expression and clinical and pathological features vs. survival rates. The immunohistochemical staining was used to detect the expression of pRb in 130 samples of laryngeal cancer and in 22 specimens ...
Objective: To evaluate the clinicopathologic findings and treatment outcome in laryngectomized patients with laryngeal cancer and hypopharyngeal cancer. Materials and Methods: The authors retrospectively reviewed the medical records of 212 patients who had been newly diagnosed and treated with laryngectomy between January 2000 and December 2010. The age, gender, clinical manifestations, associa...
AIM Methotrexate (MTX) is an antifolate agent that acts inhibiting purine and pyrimidine synthesis. The objective of the study was to evaluate the viability of Hep-2 human laryngeal cancer cells to the treatment with MTX chemotherapy in vitro. METHODS Cultured Hep-2 cells were treated with 0.25, 25.0 and 75 μM MTX for 24 h, and their viability was evaluated with Bcl-2-FITC antibody in flow cy...
We discuss current evidence of the role of human papillomavirus (HPV) in some cancers of the upper aerodigestive tract, including the oral cavity, the pharynx, and the larynx. Cancers of the oral cavity and the pharynx are associated mainly with tobacco and alcohol exposure, but there is evidence from case series, from case-control studies, and from cohort studies that HPV plays a role in a fra...
PURPOSE This study was conducted to explore the effects of genetic polymorphisms (CYP1B1*2 G355T, CYP1B1*3 C4326G, and CYP2E1*5 G-1293C) and environmental factors (smoking and drinking) on susceptibility to laryngeal cancer in a Han Chinese study group. METHODS This case-control study included 552 Han Chinese patients diagnosed with laryngeal cancer and 666 healthy control subjects of the sam...
IntroductionLife expectancy is rising and consequently also the number of older patients with head neck cancer. Different treatment regimens are often applied for patients. The aim this study to investigate how patterns survival rates have changed over past 20 years in squamous cell carcinoma (HNSCC).MaterialsPatient tumour characteristics, 5-year data from Netherlands Cancer Registry aged ≥60 ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید