نتایج جستجو برای: stromal cell
تعداد نتایج: 1706993 فیلتر نتایج به سال:
purpose: to evaluate histopathological changes induced by 0.02% mitomycin-c (mmc) in rabbits corneas. methods: this study was performed on 48 corneas of 24 rabbits (dutch type, albino). under general anesthesia, lamellar keratectomy was performed and either mmc 0.02 % (mmc group) or balanced salt solution (control group) was applied to the stromal bed for one minute. sixty days later, light mic...
Background & Aim: Tumour angiogenesis is essential for tumour growth and appears to play an important role both in invasive growth and metastasis. Basal cell carcinomas(BCCs) and squamous cell carcinomas(SCCs) of the skin are derived from a similar cell type but differ in the invasive and metastatic potential. This study investigates whether the behaviour of these tumours could be explained...
Background and Aim: Giant cell granuloma is a relatively common benign proliferative lesion of the oral cavity. This lesion has a marked gender predilection with more prevalence in females and tendency to rapid growth and recurrence during pregnancy. The aim of this study was the evaluation of specific receptors of sex hormones in giant cell granuloma. Materials and Methods: In this cross-secti...
Background and Objective: Adipose tissue-derived stem cells (ADSCs) are very similar in their cell properties to bone marrow stromal cells (BMSCs) and can be a suitable alternative for cell therapy trials. The purpose of this study is comparison of adipose-derived stem cells (ADSCs) and bone marrow stromal cells (BMSCs) in prolonged passages based on viability and auto-differentiation tow...
BACKGROUND There is increasing evidence that stromal cell interactions are required for the survival and drug resistance of several types of B-cell malignancies. There is relatively little information regarding the role of the bone marrow/lymphoid microenvironment in the pathogenesis of mantle cell lymphoma. In this study we investigated the interaction of primary mantle cell lymphoma cells wit...
In prostate tumors, both the epithelial and stromal mesenchyme compartments show gene expression changes from their respective normal counterpart. In fact, there are more such changes in the stroma than the epithelium. These include down-regulated expression of genes involved in smooth muscle cell differentiation and those differentially expressed between prostate and bladder, i.e., organ-restr...
Bone marrow stromal cells appear to be key regulatory elements in hematopoiesis and lymphopoiesis. These stromal cells respond to cytokine exposure and alter their pattern of hematopoietic growth factor production, suggesting a degree of functional plasticity. We examined the effect of two cytokines, interleukin-1 (IL-1) and IL-4, on stromal cell regulation of pre-B cell generation using the bo...
The melanoma cell adhesion molecule defines mesenchymal stromal cells in the human bone marrow that regenerate bone and establish a hematopoietic microenvironment in vivo. The role of the melanoma cell adhesion molecule in primary human mesenchymal stromal cells and the maintenance of hematopoietic stem and progenitor cells during ex vivo culture has not yet been demonstrated. We applied RNA in...
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