نتایج جستجو برای: epithelial
تعداد نتایج: 149191 فیلتر نتایج به سال:
background: despite the extensive information available in the literature, cell surface marker signature of human amniotic epithelial cells (haecs) remains controversial. the aim of the present study was to characterize immuno-phenotypic features, proliferative capacity and immunogenicity of haecs. we also tested whether expression of some cell surface markers is influenced by the type of tryps...
introduction epithelial rejection typically begins in a linear pattern from the periphery of the graft and progresses centripetally. here in, we reported a patient with a new presentation of corneal epithelial graft rejection. case presentation a 23-year-old man presented with blurred vision two months after penetrating keratoplasty. conclusions slit lamp examination revealed sharply demarcated...
primary de novo intraosseous carcinoma is a rare neoplastic lesion which commonly occurs in the jaws. it is an epithelial odontogenic malignancy arising from odontogenic epithelial residues in the bone rather than from a preexisting epithelial lesion. in the present case report, the clinical, radiological and histological features of primary de novo intraosseous carcinoma are discussed and its ...
چکیده مقدمه: ماده خارج سلولی به عنوان بخش مهم ریز محیطMicroenvironment)(، نقش اساسی در نگهداری وضعیت تمایز دارد. در بررسیهای گذشته، این اثر در برخی سلولها از جمله سلولهای پوششی لوله رحم و یا رحم مطالعه شده است. در این پژوهشها، برای حفظ تمایز سلول ، علاوه بر ماده خارج سلولی عوامل دیگری مانند هورمونها، فاکتورهای رشد و سلولهای داربستی نیز بکار رفته است ولی فر...
background and aims: ovarian cancer is one of most common causes of cancer related women's mortalities. human papilloma virus is a known factor concerning cervical cancer but its role in causing ovarian cancer is not yet verified. a few studies also identified hpv dna in ovarian carcinoma tissues. however, some studies did not detect hpv dna in ovarian carcinoma tissues. in this article, we inv...
results: the only significant difference was the older age of the malignant group vs. benign group (p = 0.001) regarding demographic findings. as concerns the clinical symptoms, presence of abdominal discomfort in pre-diagnosis period was the only significant parameter in malignant group (p = 0.001). additionally, data analysis of patients as a total group showed that specificity (96.4%), posit...
background: the cells of mammalian female reproductive tract have been widely used for in vitro fertilization (ivf). this study was designed to study the effects of oviductal epithelial cells (oecs) and their conditioned medium during ivf on subsequent embryonic development and the relative abundance of zygote arrest 1 (zar1) transcript in ovine zygotes. methods: the in vitro matured ovine oocy...
background: keratinocyte growth factor (kgf) is a potent epithelial mitogen that acts by binding the kgf receptors (kgfrs) expressed on epithelial cells and regulates proliferation and differentiation. the objective of this study was to investigate the expression of kgf in the epithelium in oral precancer. materials and methods: archival tissues of oral submucous fibrosis (smf) and leukoplakia ...
Background: Squamous cell carcinoma (SCC) is the most frequent oral cancer. Protec-tive effects of the consumption of vegetables and fruits on various forms of cancer in-cluding oral cancer have been determined. Tomato (Solanum lycopersicum L.) because of its lycopene and bioflavonoids contents possesses anti-carcinogenic properties. The aim of this study was to evaluate the preventive effects ...
Background: This study was undertaken to establish the characterization of cultured oral mucosal epithelium and introducing them as an alternative source for reconstruction of ocular surface disease. Methods: Human oral epithelial cells were cultured on simple media (DMEM/HF12) as control and co-cultured on mitomycin C-treated 3T3 feeder layer, on the amniotic membrane (AM) without nitrocellulo...
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