2014
DOI: 10.1016/j.jaci.2014.02.025
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Hypomorphic homozygous mutations in phosphoglucomutase 3 (PGM3) impair immunity and increase serum IgE levels

Abstract: Background Recurrent bacterial and fungal infections, eczema and elevated serum IgE levels characterize patients with the hyper-IgE syndrome (HIES). Known genetic causes for HIES are mutations in STAT3 and DOCK8, involved in signal transduction pathways. However, glycosylation defects have not been described in HIES. One crucial enzyme in the glycosylation pathway is Phosphoglucomutase 3 (PGM3), which catalyzes a key step in the synthesis of UDP-GlcNAc which is required for the biosynthesis of N-glycans. Obj… Show more

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Cited by 168 publications
(201 citation statements)
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“…In addition to the human IPEX syndrome, dysregulated Th2 responses, atopy, and elevated IgE levels occur in a range of primary human immunodeficiencies, some of which are phenocopied in the corresponding mouse models (13)(14)(15)(16)(17)(18). The variety of genes that are affected in these disorders -e.g., STAT3, DOCK8, PGM3 and multiple genes involved in TCR signaling such as LAT, ZAP70, or RAG -suggests that hyper IgE phenotypes can result from alterations in a number of distinct immunological pathways.…”
Section: Sensitization To Food Antigens and Food Allergy Are Enrichedmentioning
confidence: 99%
“…In addition to the human IPEX syndrome, dysregulated Th2 responses, atopy, and elevated IgE levels occur in a range of primary human immunodeficiencies, some of which are phenocopied in the corresponding mouse models (13)(14)(15)(16)(17)(18). The variety of genes that are affected in these disorders -e.g., STAT3, DOCK8, PGM3 and multiple genes involved in TCR signaling such as LAT, ZAP70, or RAG -suggests that hyper IgE phenotypes can result from alterations in a number of distinct immunological pathways.…”
Section: Sensitization To Food Antigens and Food Allergy Are Enrichedmentioning
confidence: 99%
“…However, null mutations in DOCK8 are responsible for most cases, and to date only two patients with TYK2 deficiency have been identified [7,55,56]. In addition, very recent reports have added mutations in the gene PGM3 to the list of genetic etiologies of AR-HIES [8,9]. In comparison with AD-HIES, notable differences exist, even within the group of AR-HIES.…”
Section: Ar-hiesmentioning
confidence: 99%
“…Most recently, a novel PID was described with homozygous PGM3 mutations causing impaired immunity, increased IgE levels, atopy, autoimmunity and neurocognitive impairment [8,9]. The nine patients from four families of Tunesian, Turkish or Moroccan descent described in one of the articles experienced recurrent pneumonias, staphylococcal skin abscesses and highly increased IgE levels [9].…”
Section: Clinical Phenotype Of Ar-hies/pgm3 Deficiencymentioning
confidence: 99%
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“…Los pacientes con fenotipo similar al síndrome hiper-IgE muestran atopia, elevación de IgE, alteraciones neurológicas y del desarrollo. 44,45 …”
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