نتایج جستجو برای: vhl

تعداد نتایج: 1947  

2000
F. J. Hes A. L. W. Hesseling - Janssen R. A. Zewald M. C. E. Jansweijer B. Eussen P. G. F. M. Smits C. J. M. Lips

Introduction Von Hippel-Lindau (VHL) disease is a complex, autosomal, dominant inherited disorder, variably presenting with retinal and cerebellar haemangioblastoma, renal cell carcinoma, phaeochromocytoma and endolymphatic sac tumours. Cysts and cystadenoma may develop in kidney, pancreas and epididymis. Germline mutations in the VHL tumour suppressor gene are found in most of the families ful...

Journal: :Cancer research 2004
Mina I Zhou Hongmei Wang Rebecca L Foy Jonathan J Ross Herbert T Cohen

The von Hippel-Lindau (VHL) gene is the major renal cancer gene in adults. The mechanism of renal tumor suppression by VHL protein is only partly elucidated. VHL loss increases expression of the hypoxia-inducible factor alpha transcription factors. However, clinical and biochemical data indicate that the hypoxia-inducible factors are necessary but not sufficient for renal tumorigenesis, which s...

Journal: :Cancer research 2014
Zhiyong Ding Peter German Shanshan Bai A Srinivas Reddy Xian-De Liu Mianen Sun Lijun Zhou Xiaohua Chen Xiaobei Zhao Chengbiao Wu Shuxing Zhang Gordon B Mills Eric Jonasch

Aberrant von Hippel Lindau (VHL) protein function is the underlying driver of VHL-related diseases, including both sporadic and inherited clear cell renal cell carcinoma (ccRCC). About one third of VHL mutations are missense point mutations, with R167Q being the most common VHL point mutation in hereditary VHL disease. Although it has been studied extensively, the ability of VHL-R167Q to downre...

Journal: :European journal of endocrinology 2009
Peter Gergics Attila Patocs Miklos Toth Peter Igaz Nikolette Szucs Istvan Liko Ferenc Fazakas Istvan Szabo Balazs Kovacs Edit Glaz Karoly Racz

OBJECTIVE Von Hippel-Lindau (VHL) disease is a hereditary tumor syndrome caused by mutations or deletions of the VHL tumor-suppressor gene. Germline VHL gene alterations may be also present in patients with apparently sporadic pheochromocytoma (ASP), although a wide variation in mutation frequencies has been reported in different patient cohorts. DESIGN Herein, we report the analysis of the V...

Journal: :PLoS ONE 2009
H.-C. Jennifer Shen Asha Adem Kris Ylaya Arianne Wilson Mei He Dominique Lorang Stephen M. Hewitt Klaus Pechhold David M. Harlan Irina A. Lubensky Laura S. Schmidt W. Marston Linehan Steven K. Libutti

The von Hippel-Lindau (VHL) syndrome is a pleomorphic familial disease characterized by the development of highly vascularized tumors, such as hemangioblastomas of the central nervous system, pheochromocytomas, renal cell carcinomas, cysts and neuroendocrine tumors of the pancreas. Up to 75% of VHL patients are affected by VHL-associated pancreatic lesions; however, very few reports in the publ...

Journal: :Genetics and molecular research : GMR 2015
X M Fu S L Zhao J C Gui Y Q Jiang M N Shen D L Su B J Gu X Q Wang Q J Ren X D Yin W B Huang X G Chen

Hemangioblastoma of the central nervous system occurs as sporadic tumors or as a part of von Hippel-Lindau (VHL) disease, an autosomal dominant hereditary tumor syndrome caused by a germline mutation in the VHL tumor suppressor gene. We screened a Chinese family with VHL for mutations in the VHL gene and evaluated a genetic test for diagnosing VHL disease and clinical screening of family member...

Journal: :Cell & developmental biology 2013
Shivannah S Chiatar Ogechukwu P Eze Alan R Schoenfeld

Mutations in the von Hippel-Lindau (VHL) tumor suppressor gene are responsible for the VHL hereditary cancer syndrome, and are associated with the majority of clear cell renal cell carcinomas. In this study, scanning electron microscopy of VHL-negative renal carcinoma cells was utilized to examine the effects of VHL re-expression on the morphology of these cells. Significant differences were ob...

Journal: :Molecular pathology : MP 2000
A Martinez P Fullwood K Kondo T Kishida M Yao E R Maher F Latif

AIMS Chromosome 3p deletions and loss of heterozygosity (LOH) for 3p markers are features of clear cell renal cell carcinoma but are rare in non-clear cell renal cell carcinoma. The VHL tumour suppressor gene, which maps to 3p25, is a major gatekeeper gene for clear cell renal cell carcinoma and is inactivated in most sporadic cases of this disease. However, it has been suggested that inactivat...

Journal: :Journal of neurosurgery 2004
Randy L Jensen David Gillespie Paul House Lester Layfield Clough Shelton

OBJECT Endolymphatic sac (ELS) tumors are low-grade malignancies of the temporal bone that are associated with von Hippel-Lindau (VHL) disease but can also occur sporadically. The VHL gene product VHL protein is important in the regulation of hypoxia inducible factor (HIF)-1alpha, which controls expression of molecules that are important in angiogenesis and cell metabolism. In this study the au...

Journal: :Cancer research 2000
Y H Shiao J H Resau K Nagashima L M Anderson G Ramakrishna

Subcellular localization of von Hippel-Lindau (VHL) tumor suppressor may clarify its role in tumorigenesis. In rat kidney, we observed a granular cytoplasmic immunostaining of VHL, as seen in human tissues. The green fluorescent protein (GFP)-tagged VHL also appeared as cytoplasmic granules in vitro and was colocalized with a mitochondrion-selective dye. Immunogold electron microscopy localized...

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