neurofibromatoses/glutation

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Evaluation of copy number variation and gene expression in neurofibromatosis type-1-associated malignant peripheral nerve sheath tumours.

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BACKGROUND Neurofibromatosis type-1 (NF1) is a complex neurogenetic disorder characterised by the development of benign and malignant tumours of the peripheral nerve sheath (MPNSTs). Whilst biallelic NF1 gene inactivation contributes to benign tumour formation, additional cellular changes in gene

The catalytic domain of the neurofibromatosis type 1 gene product stimulates ras GTPase and complements ira mutants of S. cerevisiae.

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Sequencing of the neurofibromatosis gene (NF1) revealed a striking similarity among NF1, yeast IRA proteins, and mammalian GAP (GTPase-activating protein). Using both genetic and biochemical assays, we demonstrate that this homology domain of the NF1 protein interacts with ras proteins. First,

The 4.1/ezrin/radixin/moesin domain of the DAL-1/Protein 4.1B tumour suppressor interacts with 14-3-3 proteins.

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The Protein 4.1 family contains at least two members that function as tumour suppressors, the neurofibromatosis 2 gene product merlin and the recently identified differentially expressed in adenocarcinoma of the lung (DAL-1)/Protein 4.1B molecule. DAL-1/Protein 4.1B loss is observed in a variety of

Animal models and analytical approaches for understanding the relationships between wine and cancer.

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We used two approaches for studying the relationships between wine consumption, wine composition and cancer In the first approach, a transgenic mouse model of human neurofibromatosis, combined with the use of well-defined, chemically purified diets, showed that red wine contains nonalcoholic

Isolation and characterization of an aggresome determinant in the NF2 tumor suppressor.

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Schwannomin (Sch) is the product of the NF2 tumor suppressor gene. The NF2 gene is mutated in patients affected by neurofibromatosis type 2, a syndrome associated with multiple tumors of the nervous system. Here we found that Sch, when its N-terminal FERM domain was misfolded by the pathogenetic

Genetic predisposition and treatment-related leukemia.

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Treatment-related leukemias are one of the most devastating late complications of cancer therapy. Patients with rare cancer predisposition syndromes including neurofibromatosis type 1 and inherited p53 mutations are at an increased risk for this complication. Other patients may have increased

Identification of Rab GTPase-activating protein-like protein (RabGAPLP) as a novel Alix/AIP1-interacting protein.

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Alix/AIP1 is a multifunctional adaptor protein involved in endocytosis, cell adhesion, and cell death. By yeast two-hybrid screening we identified a novel Alix/AIP1-interacting protein named Rab GTPase-activating protein-like protein (RabGAPLP). Interaction between Alix and RabGAPLP was confirmed by

Detection of cellular proteins that interact with the NF2 tumor suppressor gene product.

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The neurofibromatosis type 2 (NF2) gene was recently cloned, and the protein it encodes (merlin) was revealed to belong to a family of proteins that link cytoskeletal components with proteins in the cell membrane. To elucidate the biological function of merlin, we produced a bacterial fusion protein

Metabolome profiling by HRMAS NMR spectroscopy of pheochromocytomas and paragangliomas detects SDH deficiency: clinical and pathophysiological implications.

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Succinate dehydrogenase gene (SDHx) mutations increase susceptibility to develop pheochromocytomas/paragangliomas (PHEOs/PGLs). In the present study, we evaluate the performance and clinical applications of (1)H high-resolution magic angle spinning (HRMAS) nuclear magnetic resonance (NMR)

Sst2, a negative regulator of pheromone signaling in the yeast Saccharomyces cerevisiae: expression, localization, and genetic interaction and physical association with Gpa1 (the G-protein alpha subunit).

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Sst2 is the prototype for the newly recognized RGS (for regulators of G-protein signaling) family. Cells lacking the pheromone-inducible SST2 gene product fail to resume growth after exposure to pheromone. Conversely, overproduction of Sst2 markedly enhanced the rate of recovery from

Differences in MWCNT- and SWCNT-induced DNA methylation alterations in association with the nuclear deposition.

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Subtle DNA methylation alterations mediated by carbon nanotubes (CNTs) exposure might contribute to pathogenesis and disease susceptibility. It is known that both multi-walled carbon nanotubes (MWCNTs) and single-walled carbon nanotubes (SWCNTs) interact with nucleus. Such, nuclear-CNT interaction

Merlin, a tumor suppressor, interacts with transactivation-responsive RNA-binding protein and inhibits its oncogenic activity.

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The neurofibromatosis type 2 gene-encoded protein, merlin, is related to the ERM (ezrin, radixin, and moesin) family of membrane-cytoskeleton-associated proteins. Recent studies suggest that the loss of neurofibromatosis type 2 function contributes to tumor development and metastasis. Although the

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