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تعداد نتایج: 653731 فیلتر نتایج به سال:
background: it has been suggested that malfunction of immune system may cause testicular cancer. recently, our understanding of innate immune system has been expanded, by discovery of “toll- like receptors” (tlrs). some studies have shown that polymorphisms of tlr2 and 4 can effect on the risk of cancer. also, the role of tlrs 3and 9 have been shown in apoptosis of cancer cells and metastasis i...
linear and cord-like burn scar contractures are commonly treated by severing the scar in a transverse direction and skin grafting or performing z-plasties. however, skin grafts may result in suboptimal take and contract gradually and the z-plasty requires undermining flaps in scarred skin which may lead to the distal tip necrosis. in this article the authors present their experience with multip...
background: the aim of this study was to evaluate whether higher serum levels of insulin-like growth factor-i (igf-i) in the acute phase of ischemic stroke are associated with less severe strokes and better functional outcome in a period of 12-month follow-up. methods: from october 2014 to august 2015, patients with the diagnosis of acute ischemic stroke admitted to the stroke unit of firoozgar...
background: triple-negative breast cancers (tnbc) have a more aggressive course and are associated with poorer prognosis in comparison with other subtypes of breast cancer. one of the most common subtypes of tnbc is basal-like. the aim of this study was to investigate clinicopathological characteristics and clinical course of tnbc in iranian women and compare them with other studies. subjects a...
prolonged cough occurs in a large proportion of the 2 million pilgrims who participate in the annual hajj in saudi arabia. there is no unique cause for pilgrims’ respiratory involvement, but several studies suggest a high incidence of influenza as a cause of the disease. to determine influenza vaccine efficacy against respiratory disease in pilgrims, we conducted two similar cohort studies on 5...
introduction demyelination is a common lesion of spinal cord injury; cell therapy is an approach for replacing the lost oligodendrocytes. objective in this study, bone marrow stromal cells (bmscs) have been transdifferentiated into oligodendrocyte-like cells (olcs) and used in cytotherapy of contused spinal cords in rats. materials and methods the bmscs were collected from rat long bones, cultu...
objective(s) using a cancer murine model of invasive aspergillosis (ia), we investigated the expression of tlr-2, dectin-1 and the level of cytokine production by cd4+ t helper cells in different groups of mice (with or without cancer), also, the effect of invasive aspergillosis on the immune response pattern of cancer mice. materials and methods patterns of susceptibility and resistance to inf...
objective(s): umbilical cord blood-derived mesenchymal stromal cells (ucb-mscs) are ideally suited for use in various cell-based therapies. we investigated a novel induction protocol (nip) to improve the neuronal differentiation of human ucb-mscs under appropriate conditions. materials and methods: this experimental study was performed in iranian blood transfusion organization (ibto), tehran, i...
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