Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/52839
Title: Partial recessive IFN-gamma R1 deficiency: genetic, immunological and clinical features of 14 patients from 11 kindreds
Authors: Sologuren, Ithaisa
Boisson-Dupuis, Stephanie
Pestano, Jose 
Vincent, Quentin Benoit
Fernandez-Perez, Leandro 
Chapgier, Ariane
Cardenes, Maria
Feinberg, Jacqueline
Isabel Garcia-Laorden, M.
Picard, Capucine
Santiago, Esther
Kong, Xiaofei
Janniere, Lucile
Colino, Elena
Herrera-Ramos, Estefania
Frances, Adela
Navarrete, Carmen
Blanche, Stephane
Faria, Emilia
Remiszewski, Pawel
Cordeiro, Ana
Freeman, Alexandra
Holland, Steven
Abarca, Katia
Valeron-Lemaur, Monica
Goncalo-Marques, Jose
Silveira, Luisa
Manuel Garcia-Castellano, Jose
Caminero, Jose
Luis Perez-Arellano, Jose 
Bustamante, Jacinta
Abel, Laurent
Casanova, Jean-Laurent
Rodriguez-Gallego, Carlos 
Keywords: Gamma-Receptor Deficiency
Stem-Cell Transplantation
Calmette-Guerin Infection
Human Stat1 Deficiency
Interferon-Gamma, et al
Issue Date: 2011
Publisher: 0964-6906
Journal: Human Molecular Genetics 
Abstract: We report a series of 14 patients from 11 kindreds with recessive partial (RP)- interferon (IFN)-gamma R1 deficiency. The I87T mutation was found in nine homozygous patients from Chile, Portugal and Poland, and the V63G mutation was found in five homozygous patients from the Canary Islands. Founder effects accounted for the recurrence of both mutations. The most recent common ancestors of the patients with the I87T and V63G mutations probably lived 1600 (875-2950) and 500 (200-1275) years ago, respectively. The two alleles confer phenotypes that are similar but differ in terms of IFN-gamma R1 levels and residual response to IFN-gamma. The patients suffered from bacillus Calmette-Guerin-osis (n = 6), environmental mycobacteriosis (n = 6) or tuberculosis (n = 1). One patient did not suffer from mycobacterial infections but had disseminated salmonellosis, which was also present in two other patients. Age at onset of the first environmental mycobacterial disease differed widely between patients, with a mean value of 11.25 +/- 9.13 years. Thirteen patients survived until the age of 14.82 +/- 11.2 years, and one patient died at the age of 7 years, 9 days after the diagnosis of long-term Mycobacterium avium infection and the initiation of antimycobacterial treatment. Up to 10 patients are currently free of infection with no prophylaxis. The clinical heterogeneity of the 14 patients was not clearly related to either IFNGR1 genotype or the resulting cellular phenotype. RP-IFN-gamma R1 deficiency is, thus, more common than initially thought and should be considered in both children and adults with mild or severe mycobacterial diseases.
URI: http://hdl.handle.net/10553/52839
ISSN: 0964-6906
DOI: 10.1093/hmg/ddr029
Source: Human Molecular Genetics[ISSN 0964-6906],v. 20 (8), p. 1509-1523
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