نتایج جستجو برای: Mast cell

تعداد نتایج: 1689309  

Journal: :iranian biomedical journal 0
پرویز کرمانی زاده parviz kermanizadeh david crompton paul hagan paul hagan david crompton

increased number of mast cells at the site of infection is widely regarded as important host defense against parasites. the kinetics of mucosal mast cells and connective tissue mast cells responses were studied in the intestines of 68 female cflp mice infected with 100 schistosoma mansoni cercariae. the number of mucosal mast cells and the connective tissue mast cells increased from week 3 and ...

Introduction: Oral squamous cell carcinoma (OSCC) is one of the 10 most common malignant tumors and SCC accounts 94% of all oral malignancies. Mast cells are regarded as complex and multifunctional cells, playing a significant role in immunopathology . The aim of this study is to evaluate the number of mast cells in tissue sections of oral squamous cell carcinoma (OSCC) in comparison with norma...

سراوانی, شیرین, کده, حمیده,

Background and purpose: Mast cells as the multi-functional and complex cells play a key role in tumor progression. Due to the higher malignant potential of Oral Squamous cell carcinoma (OSCC) compared with cutaneous squamous cell carcinoma (cSCC), the purpose of this study was to compare the mast cells count in squamous cell carcinoma of the skin and oral cavity and evaluate their correlation w...

ژورنال: دانشور پزشکی 2015
جلالی ندوشن, محمدرضا, خرازی, محمدجواد, رضوانی, گیتا, زضائی, زهرا, یزدانی بیوکی, فرزاد,

Background and Objective: The role of mast cells in carcinogenesis is improved in many malignant neoplasms but there are scanty literature which show the role of these cells in pathogenesis of progression of dysplastic lesion to invasive squamous cell carcinoma (SCC). The aim of this study was comparison of mast cell density between squamous cell carcinoma and dysplastic laryngeal mucosa to inv...

Journal: :گوارش 0
kurosh masnadi shirazinezhad amirtaher eftekharossadat sayyed mohammad sadrkabir

background : functional dyspepsia is considered one of the most common digestive diseases with tremendous cost and time expenditures for patients and health systems. an increase in the numbers of inflammatory cells such as mast cells and eosinophils are reported in the gastrointestinal mucosa of these patients. this study aims to determine the effects of histaminic receptor blockage on patients...

Journal: :dental research journal 0
vandana reddy sundeep s. bhagwath munish reddy

background: the aim of this study was to quantify the number of mast cells in focal reactive hyperplastic lesions of the oral cavity and to compare these two number of mast cells in normal gingival tissues and to correlate their presence with the state of connective tissue changes in reactive lesions and probably suggest a role for mast cells in these lesions. materials and methods: patient rec...

Journal: :journal of dental research, dental clinics, dental prospects 0
zohreh jaafari-ashkavandi assistant professor, department of oral and maxillofacial pathology, school of dentistry, shiraz university of medical sciences, shiraz, iran mohammad-javad ashraf assistant professor, department of pathology, school of medicine, shiraz university of medical sciences, shiraz, iran

background and aims. mast cells are one of the characteristic factors in angiogenesis, growth, and metastatic spread of tumors. the distribution and significance of mast cells in many tumors have been demonstrated. however, few studies have evaluated mast cell infiltration in salivary gland tumors. in this study, mast cell counts were evaluated in benign and malignant salivary gland tumors. mat...

Background and Aim: Cutaneous squamous cell carcinoma (CSCC) is the second most common skin cancer. Mast cells may play a role in tumor progression and metastasis by increasing angiogenesis. The aim of this study was to investigate the role of mast cells by increasing angiogenesis in invasion of head and neck cutaneous squamous cell carcinoma. Materials and Methods: In this cross-sectional stud...

Jessy Elizabeth Mathew Magi Jose Seekarajapuram DinakaranVachala, Srinivasan Keloth Kaitheri

Objective(s) Aristolochia indica has been widely used in the traditional medicine for the treatment of a variety of diseases. In the present study different extracts of roots of A. indica were evaluated for their anti‌inflammatory, antipruritic and mast cell stabilizing activity. Materials and Methods Anti-inflammatory activity was performed by compound 48/80 induced rat paw edema model and ...

ابراهیمی موقر, سپیده, ناظمی سلمان, بهاره, وهبی, سورنا,

Background and Objective: Aggressive periodontitis is a destructive disease that leads to a quick and extensive periodontal tissue loss. Mast cells are known to play important roles in allergic reactions, host defense against bacterial infections, local homeostasis, inflammation, and angiogenesis. The aim of the present study was to evaluate the relationship between mast cell numbers and aggres...

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