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The involvement of circulating microRNAs (miRNAs) in cancer and their potential as biomarkers of diagnosis and prognosis are becoming increasingly appreciated; however, little is known about circulating miRNA profiles in astrocytomas. In our study, we performed genome-wide serum miRNA analysis by the Solexa sequencing followed by validation conducted in the(More)
OBJECTIVE To investigate the clinicopathological features and prognosis of 22 cases of central neurocytoma (CNC), representing 0.48% of a series of 4 528 patients undergoing biopsy for central nervous system tumors. METHODS The histopathological, ultrastructral, immunohistochemical and clinical features of CNC were studied by electron microscopic(More)
Von Hippel-Lindau (VHL) disease is an autosomal dominant inherited cancer predisposition syndrome, characterized by development of a variety of neoplasms in multiple organs. Central nervous system hemangioblastoma (CHB) is the most common manifestation of VHL disease. The germline mutations in the VHL tumor suppressor gene are responsible for the inherited(More)
Rates of childhood cancer between 1981 and 1990 in the 4 administrative zones of Kazakhstan were studied to assess the relationship, if any, with distance from nuclear testing sites. Risk of various cancers among children aged 14 years or younger were estimated in relation to distance from (1) a site where testing in air was performed before 1963, (2) a(More)
Multiple vascular patterns are presented in tumors of the central nervous system (CNS), including microvascular hyperplasia, branching capillaries, numerous capillaries without definite pattern, hyalinized vessels, and angiomatous area. These vascular patterns play important roles in pathological diagnosis of brain tumors. Because of insufficient(More)
Extracts of hawthorn (Crateagus sp.) have been indicated in the treatment of cardiovascular diseases, however, tablets produced from dry extract due to a multiple of factors such as inconsistent botanical ingredients, moisture content and hygroscopicity turn to be hard with prolong disintegration. Dissolution test is increasingly being employed for the(More)
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