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1.
Variation in interleukin 7 receptor alpha chain (IL7R) influences risk of multiple sclerosis 总被引:12,自引:0,他引:12
Lundmark F Duvefelt K Iacobaeus E Kockum I Wallström E Khademi M Oturai A Ryder LP Saarela J Harbo HF Celius EG Salter H Olsson T Hillert J 《Nature genetics》2007,39(9):1108-1113
Multiple sclerosis is a chronic, often disabling, disease of the central nervous system affecting more than 1 in 1,000 people in most western countries. The inflammatory lesions typical of multiple sclerosis show autoimmune features and depend partly on genetic factors. Of these genetic factors, only the HLA gene complex has been repeatedly confirmed to be associated with multiple sclerosis, despite considerable efforts. Polymorphisms in a number of non-HLA genes have been reported to be associated with multiple sclerosis, but so far confirmation has been difficult. Here, we report compelling evidence that polymorphisms in IL7R, which encodes the interleukin 7 receptor alpha chain (IL7Ralpha), indeed contribute to the non-HLA genetic risk in multiple sclerosis, demonstrating a role for this pathway in the pathophysiology of this disease. In addition, we report altered expression of the genes encoding IL7Ralpha and its ligand, IL7, in the cerebrospinal fluid compartment of individuals with multiple sclerosis. 相似文献
2.
Barcellos LF Caillier S Dragone L Elder M Vittinghoff E Bucher P Lincoln RR Pericak-Vance M Haines JL Weiss A Hauser SL Oksenberg JR 《Nature genetics》2001,29(1):23-24
A C-->G nucleotide transition in exon 4 of PTPRC (encoding protein-tyrosine phosphatase receptor-type C, also known as CD45) was recently reported to be genetically associated with the development of multiple sclerosis (MS). We performed an extensive evaluation of this polymorphism using large family-based and case-control comparisons. Overall, we observed no evidence of genetic association between the PTPRC polymorphism and MS susceptibility or disease course. 相似文献
3.
Mutations in the colony stimulating factor 1 receptor (CSF1R) gene cause hereditary diffuse leukoencephalopathy with spheroids 总被引:1,自引:0,他引:1
Rademakers R Baker M Nicholson AM Rutherford NJ Finch N Soto-Ortolaza A Lash J Wider C Wojtas A DeJesus-Hernandez M Adamson J Kouri N Sundal C Shuster EA Aasly J MacKenzie J Roeber S Kretzschmar HA Boeve BF Knopman DS Petersen RC Cairns NJ Ghetti B Spina S Garbern J Tselis AC Uitti R Das P Van Gerpen JA Meschia JF Levy S Broderick DF Graff-Radford N Ross OA Miller BB Swerdlow RH Dickson DW Wszolek ZK 《Nature genetics》2012,44(2):200-205
Hereditary diffuse leukoencephalopathy with spheroids (HDLS) is an autosomal-dominant central nervous system white-matter disease with variable clinical presentations, including personality and behavioral changes, dementia, depression, parkinsonism, seizures and other phenotypes. We combined genome-wide linkage analysis with exome sequencing and identified 14 different mutations affecting the tyrosine kinase domain of the colony stimulating factor 1 receptor (encoded by CSF1R) in 14 families with HDLS. In one kindred, we confirmed the de novo occurrence of the mutation. Follow-up sequencing identified an additional CSF1R mutation in an individual diagnosed with corticobasal syndrome. In vitro, CSF-1 stimulation resulted in rapid autophosphorylation of selected tyrosine residues in the kinase domain of wild-type but not mutant CSF1R, suggesting that HDLS may result from partial loss of CSF1R function. As CSF1R is a crucial mediator of microglial proliferation and differentiation in the brain, our findings suggest an important role for microglial dysfunction in HDLS pathogenesis. 相似文献
4.
Distinct t(7;9)(q34;q32) breakpoints in healthy individuals and individuals with T-ALL 总被引:3,自引:0,他引:3
After V(D)J-mediated translocations, signal joints are retained on one of the derivative chromosomes. We report here that such signal joints are highly reactive and constitute unstable genomic elements with potential oncogenic properties. 相似文献