Abstract: Background: Meningioma is a common intracranial tumor arising from the meningothelial (arachnoid) cells. Meningiomas are divided into 15 histological subtypes and three grades, including benign (grade I), atypical (grade II) and anaplastic (grade III). It is important to correctly decide whether a meningioma isbrain-invasive or not. Tumor invasion can be described as a stepwise process involving the degradation of ... إقراء المزيد

Abstract: Background: Pterygium is one of the most commonly occurring eye diseases. It is widely regarded as a degenerative condition. Pterygium shares some similarities with tumors, as active cell proliferation.. P63, a member of the p53 gene family is a transcription factor that is crucial for the development and maintenance of stem cells in stratified epithelia. It is present in ... إقراء المزيد

Background: Gliomas represent the most frequent primary tumors of central nervous system (CNS), contributing to more than half of the incidence of brain tumors. Cancer stem cell markers (CSC) identify a group of patients at high risk for progression. Nestin is an intermediate fi lament (IF) protein was fi rst described as a neural stem cell/progenitor cell marker. Nestin-positive neuroepithelial ... إقراء المزيد