2008
DOI: 10.1016/j.jaci.2008.07.036
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Variability of clinical and laboratory features among patients with ribonuclease mitochondrial RNA processing endoribonuclease gene mutations

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Cited by 59 publications
(56 citation statements)
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“…105 The broad range of phenotypic effects was further emphasized by more recent reports of RMRP mutations that give rise to severe immunodeficiency but without skeletal involvement. 120 Also contributing to the complexity of the relationship between mutation and phenotype is the fact that two patients with the same set of mutant alleles, even siblings, may be very different in terms of disease phenotype. 120 The RNase MRP catalyzes at least two different reactions; cleavage at site A3 during rRNA processing and cleavage of cyclin B2 mRNA, affecting translation and the cell cycle, respectively.…”
Section: Phylogenetic Distribution Of Mrp and P Rnamentioning
confidence: 99%
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“…105 The broad range of phenotypic effects was further emphasized by more recent reports of RMRP mutations that give rise to severe immunodeficiency but without skeletal involvement. 120 Also contributing to the complexity of the relationship between mutation and phenotype is the fact that two patients with the same set of mutant alleles, even siblings, may be very different in terms of disease phenotype. 120 The RNase MRP catalyzes at least two different reactions; cleavage at site A3 during rRNA processing and cleavage of cyclin B2 mRNA, affecting translation and the cell cycle, respectively.…”
Section: Phylogenetic Distribution Of Mrp and P Rnamentioning
confidence: 99%
“…120 Also contributing to the complexity of the relationship between mutation and phenotype is the fact that two patients with the same set of mutant alleles, even siblings, may be very different in terms of disease phenotype. 120 The RNase MRP catalyzes at least two different reactions; cleavage at site A3 during rRNA processing and cleavage of cyclin B2 mRNA, affecting translation and the cell cycle, respectively. It would seem that mutations in the RNA differently affect these two reactions.…”
Section: Phylogenetic Distribution Of Mrp and P Rnamentioning
confidence: 99%
“…6 Reduced thymic output of patients with CHH and combined immunodeficiency, measured by T-lymphocyte receptor excision circles, has been demonstrated. 22 Furthermore, it has been recently shown that thymic abnormalities in these patients also include reduced expression of aire (a transcription factor involved in clonal deletion of self-reactive T cells) and poor generation of thymic natural regulatory T cells. 43 These abnormalities are likely involved in the autoimmune manifestations of CHH.…”
Section: Discussionmentioning
confidence: 99%
“…18 Long-term impairment of regulatory and cytotoxic T-lymphocyte immunity may explain the prevalence of Epstein-Barr virus (EBV)-associated malignant lymphomas and immune dysregulation causing autoimmune diseases in CHH patients. 20, 21 Kavadas et al 22 showed that RMRP mutations are responsible for a variable spectrum of immunodeficiencies and should be considered even in patients without skeletal dysplasias.…”
Section: Introductionmentioning
confidence: 99%
“…Der genauere pathogenetische Mechanismus vom defekten Gen zur Erkrankung einschließlich des Immundefekts ist aber noch nicht geklärt. Auch ist eine Mutation im RMRPGen mit Immundefekt ohne Skelettdysplasie oder Haarhypoplasie bekannt[17].Der Kleinwuchs beruht auf einer metaphysären Dysplasie. Die Wachstumsgeschwindigkeit nimmt im Verlauf der Kindheit im Vergleich zur Normalbevölkerung immer weiter ab.…”
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