نتایج جستجو برای: vhl
تعداد نتایج: 1947 فیلتر نتایج به سال:
OBJECTIVE The Von Hippel-Lindau syndrome (VHLD), an inherited neoplastic syndrome predisposing to central nervous system hemangioblastoma (CNS), pheochromocytoma (PCC), renal cell carcinoma(RCC), retinal hemangioma (RA) and renal cysts, is caused by mutations or deletions of the VHL tumor-suppressor gene. To assess VHL genotype-phenotype correlations with function of pVHL a gene mutation analys...
BACKGROUND The loss of von Hippel-Lindau (VHL) protein function leads to highly vascular renal tumors characterized by an aggressive course of disease and refractoriness to chemotherapy and radiotherapy. Loss of VHL in renal tumors also differs from tumors of other organs in that the oncogenic cascade is mediated by an increase in the levels of hypoxia-inducible factor-2α (HIF2α) instead of hyp...
von Hippel-Lindau (VHL) disease is a cancer syndrome, which includes renal cell carcinoma (RCC), and is caused by VHL mutations. Most, but not all VHL phenotypes are due to failure of mutant VHL to regulate constitutive proteolysis of hypoxia-inducible factors (HIFs). Janus kinases (JAK1, 2, 3, and TYK2) promote cell survival and proliferation, processes tightly controlled by SOCS proteins, whi...
A family with von Hippel-Lindau disease (VHL) type 2A has been shown to have a T to C missense mutation at nucleotide 547 of the VHL gene. This gives further support for the proposal to associate the 547 T to C mutation with phenotype VHL 2A.
BACKGROUND Von Hippel-Lindau (VHL) syndrome is a dominantly inherited multisystem cancer syndrome caused by a heterozygous mutation in the VHL tumor suppressor gene. Previous studies suggested that similar populations of Caucasian and Japanese patients have similar genotype or phenotype characteristics. In this comprehensive study of East Asian patients, we investigated the genetic and clinical...
BACKGROUND AND OBJECTIVES Congenital erythrocytoses or polycythemias are rare and heterogeneous. A homozygous mutation (C598T->Arg200Trp) in the von Hippel-Lindau (VHL) gene was originally identified as the cause of the endemic Chuvash polycythemia. Subsequently this and other mutations in the VHL gene were also detected in several patients of different ethnic origin. Haplotype analyses of the ...
MAY/JUNE 2010 I RETINA TODAY I 63 V on Hippel-Lindau (VHL) disease is an autosomal dominantly inherited multisystem cancer syndrome with a predilection for the central nervous system (CNS) and the retina. Retinal capillary hemangioma is one of the most common and often the earliest manifestations of VHL disease1 and, therefore, ophthalmologists are frequently involved in the care of patients wi...
Inheritance of a defective copy of the von Hippel-Lindau (VHL) gene leads to the most common cause of inherited renal cell carcinoma (RCC). In addition, most patients with sporadic RCC have aberrant VHL. In the absence of VHL, hypoxia-inducible factor alpha accumulates, leading to production of several growth factors, including vascular endothelial growth factor and platelet-derived growth fact...
The objective of the present study was to systematically investigate the clinical features, diagnosis and therapeutic treatment of Von Hippel-Lindau (VHL) syndrome in order to improve understanding of this disease. A total of 3 cases of VHL syndrome treated at the Affiliated Hospital of Zunyi Medical College (Zunyi, China) between September 2014 and October 2015 were retrospectively analyzed. T...
von Hippel-Lindau (VHL) mutation carriers develop benign and malignant tumors, requiring regular surveillance. The aim of this study was to calculate the optimal organ-specific age to initiate surveillance and optimal intervals to detect initial and subsequent VHL-related manifestations. In this study, we compare these results with the current VHL surveillance guidelines. We collected data from...
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