نتایج جستجو برای: tumor cells
تعداد نتایج: 1643901 فیلتر نتایج به سال:
Background : Wilms' tumor (nephroblastoma) is the most common renal malignancy of childhood. This cancer is considered as an embryonal neoplasm that arises from nephrogenic blastemal. Despite advances in therapeutic success, survival rate is still not satisfactory in tumors with unfavorable histology and recurrent cases. On the other hand, late adverse effects of chemotherapy threaten the lif...
Metastasis describes the ability of a tumor to invade normal tissue and generate secondary tumors at sites distant from the primary tumor. The mechanism responsible for the inhibition of tumor metastasis by different agents is at least partly associated with the ability to interfere with cellular functions such as adhesiveness, motility and invasiveness. Certainly effective treatment of metasta...
Background: In this study, the effects of three structural analogues of adenosine upon proliferation of human tumor cells were investigated. Previous research showed a cytotoxic effect of adenosine via A3 receptor and A1 receptor and sometimes this effect was receptor independent. The researches showed a differential cytotoxic effect of adenosine and its A3 agonists on cancerous cells, while ot...
Introduction: The decorin is a myokine that modulates the growth and the development of the cancer cells through the interaction with TGF-β. The present study is aimed to evaluate the protective effects of 8 weeks interval aerobic exercise on the expression of decorin and TGF-β, and tumor volume in a typical animal of breast tumor. Materials and Methods: In a exprimental research, forty adult f...
recent studies have indicated the profound anti-tumor activity of artemisinin's compounds, among which; arteether is an oil-soluble derivative of artemisinin with an endoperoxide bridge that can induce apoptosis in tumor cells but not in the normal cells. an experiment was carried out on tumor-bearing balb/c mice to estimate the effects of arteether on tumor growth and antitumor im...
TLR agonist rHP-NAP as an Adjuvant of Dendritic Cell-Based Vaccine to Enhance Anti-Melanoma Response
Background: Melanoma is a common and malignant cutaneous tumor, which is responsible for a large proportion of skin cancer deaths. Dendritic cell (DC)-based vaccines have achieved positive results in the treatment of melanoma because of their ability to induce cytotoxic response to facilitate tumor elimination. Objective: To improve the efficacy of dendritic ce...
Introduction: CSCs have been identified in prostate cancer (PCa), one of the most diagnosed malignancies in men over the world, for which radiation resistance is a major problem in the treatment of advanced stages. Cancer stem cells (CSCs) have the ability to self-renew and differentiate to give rise to heterogeneous phenotype of the tumor cells. It is believed that CSCs are ...
Malignant peripheral nerve sheath tumor (MPNST) is an aggressive neoplasm of neural origin. It is a rare neoplasm of childhood, accounting for less than 5% of all cases. In 1994 a 29 months old boy was admitted to the Mofid Hospital with complaints of fever, dyspnea and respiratory distress. After performing all the necessary clinical and labratory tests a large mass in the upper posterior medi...
introduction: colorectal carcinoma is a main health problem in many countries and the third common cancer in iran. this malignancy at present is the most curable carcinoma of gastrointestinal tract. variation in the expression of the proteins produced by p53, p21, p16, e-cadherin, and β-catenin genes have been noted in this malignancy and may be important in the prognosis and therapeutic respon...
Background: Cytotoxic CD8+ T cells, as essential parts of the adaptive immune system, play pivotal roles in anti-tumor immune responses. It is well documented that cytokine expression profiles and activation status of these cells during anti-tumor immune responses affect the outcome of host-tumor interaction. Objective: To investigate the percentages of CD8+ lymphocytes and their subsets in...
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