نتایج جستجو برای: p53 genes
تعداد نتایج: 459506 فیلتر نتایج به سال:
background there is a potential risk for malignancy in patients with diabetes mellitus. theoretically, a noninvasive method for detection of precancerous changes can be conducted on oral exfoliated cell smears. objectives in this study, the immunocytochemistry of p53 in exfoliated oral mucosal cells in patients with type 2 diabetes was investigated. patients and methods oral mucosal smears were...
Background: Widespread and growing sources of electromagnetic radiation raised concerns attributed to the potential adverse health risk of radiofrequency fields. Given the functional importance of the hippocampus, this study aimed to investigate the effects of electromagnetic waves radiated by mobile jammer on hippocampal expression of p21 and p53 genes as regulators of cellular apoptosis...
background: nigella sativa has been a nutritional flavoring factor and natural treatment for many ailments for so many years in medical science. earlier studies have been reported that thymoquinone (tq), an active compound of its seed, contains anticancer properties. previous studies have shown that tq induces apoptosis in breast cancer cells but it is unclear the role of p53 in the apoptotic p...
human immunodeficiency virus (hiv) transactivator tat is a potent activator of both viral and cellu lar genes. tat has also been implicated in the development of aids-related malignancy. here, we show that tat physically and functionally is able to sequester the cell cycle check point protein p53. this sequestration results in non-functional promoter activity of cyclin-dependent kinase/cyclin i...
Background and Aim: Stomach cancer is one of the most common cancers after lung cancer and the second cause of cancer deaths worldwide. Changes in the expression level of genes are one of the most important factors in cancers. Among them p53 and MICAL-2 were found have changes in their expression levels. P53 gene plays an important role as a tumor suppressor which is also regulates the cell cy...
Human immunodeficiency virus (HIV) transactivator Tat is a potent activator of both viral and cellular genes. Tat has also been implicated in the development of AIDS-related malignancy. Here, we show that Tat physically and functionally is able to sequester the cell cycle check point protein p53. This sequestration results in non-functional promoter activity of cyclin-dependent kinase/cyclin i...
Background: Although evidence indicates that tobacco use is one of the risk factors for oral cancer, the relationship between opium addiction and oral cancer has not yet been evaluated. The present study was performed aiming to evaluate P53 and epidermal growth factor receptor (EGFR) expression in the gingival tissue of opium-dependent patients.Methods: 102 individuals (70 men and 32 women) wer...
Background & Aim: Despite the advances in treatment of colorectal adenocarcinoma patients continue to have low survival. Citric acid is considered as a physiological inhibitor of enzymes involved in glycolysis pathway to remove cancer cells. The p53 and p21 gene products are involved in cell removal due to their pro-apoptotic properties. In this study, the effect of citric acid on p53 and p21 g...
Background: Hepatocellular carcinoma is the most common primary malignant tumor of the liver. The effect of some genes especially those involved in cell cycle regulation have been shown in the development of this cancer in several studies but there are some controversies about them yet. Materials and methods: The paraffin-embedded tissue samples of 25 patients (18 males and 7 females) with hep...
Introdution:. Anaplastic thyroid carcinoma (ATC) is a type of thyroid gland malignancy that originates from the anaplastic cells of this gland. This kind of malignancy is highly invasive and patients have a poor response to treatment. In this study, the effect of curcumin on apoptosis and p53 and PARP genes expression of the human anaplastic thyroid carcinoma cell line (SW-1736) examined. Curcu...
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