Cited by 17Inflammasome and immune disordersUrticaria and Related ConditionsImmunodeficiency and Autoimmune Disorders

Acquired Cold Urticaria vs. Autoinflammatory Diseases, Genetic and Clinical Profile and Differential Diagnosis: Study of a Cohort of Patients in a Tertiary Reference Centre

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Deza, G, Mensa-Vilaró, A, March-Rodriguez, A, Sánchez, S, Pujol, R, Aróstegui, J, Giménez-Arnau, A·2019·Acta Dermato Venereologica

Abstract

Acquired cold urticaria (ACU) is characterized by the development of itchy wheals after cold exposure. Generalized urticarial skin rashes triggered by cold exposure characterize certain monogenic autoinflammatory diseases (AIDs). The objective of this study is to investigate the presence of variants in genes causing AIDs that present with cold-induced urticarial skin rashes in patients clinically diagnosed with ACU, in order to look for susceptibility factors for the disease. Fifty patients with primary ACU were studied. Germline and post-zygotic variants on the NLRP3, NLRP12, NLRC4 and PLCG2 genes were investigated using next-generation sequencing technology. Seven patients (14%) carried 8 heterozygous germline variants in the following genes: NLRP3 (n = 1), NLRP12 (n = 3), NLRC4 (n = 1), PLCG2 (n = 3). No pathogenic or likely pathogenic variants were detected, and deep analyses of the sequences obtained did not identify any post-zygotic variant. In conclusion, ACU is not related to post-zygotic or germline pathogenic variants in the NLRP3, NLRP12, NLRC4 and PLCG2 genes.

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  • A significant gain of function of PLCγ2 can lead to deleterious impacts on the immune system.

    “These clearly indicate that a significant gain of function of PLCγ2 can lead to deleterious impacts on the immune system.”

    From Heterozygous expression of the Alzheimer’s disease-protective PLCγ2 P522R variant enhances Aβ clearance while preserving synapses (2022) · cites this paper as [34]

    The Discussion (page unavailable) describes immune harms associated with PLAID, including recurrent infections, hypogammaglobulinaemia and autoimmunity. However, the paper does not identify significant gain of function of PLCγ2 as their cause; its Results found no pathogenic or likely pathogenic PLCG2 variants in the studied cohort. (LLM, conf=0.82)

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Authors
Deza, G., Mensa-Vilaró, A., March-Rodriguez, A., Sánchez, S., Pujol, R., Aróstegui, J., & Giménez-Arnau, A.
Affiliations
  • Universitat Autònoma de Barcelona (ES)
  • Hospital Clínic de Barcelona (ES)
Venue
Acta Dermato Venereologica
Published
2019
Volume
99
Issue
12
Pages
0
ISSN
0001-5555 (ISSN-L)
OpenAlex
W2977612900
Cited by
17
References
31
Citations by year
2025: 3 · 2024: 2 · 2023: 1 · 2022: 5 · 2021: 5 · 2020: 1
FWCI
0.91
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Acta Dermato Venereologica (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • Dipòsit Digital de Documents de la UAB (Universitat Autònoma de Barcelona) (submittedVersion, cc-by-nc)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Centres de Recerca de Catalunya
  • Generalitat de Catalunya
  • Ministerio de Economía y Competitividad (SAF2015-68472-C2-1-R)
  • Universitat Autònoma de Barcelona
  • LEO Pharma
  • Genentech
  • Instituto de Salud Carlos III (AC15/00027, PI17/00198)
  • European Regional Development Fund
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Health Sciences › Medicine › Rheumatology › Urticaria and Related Conditions
  • Life Sciences › Immunology and Microbiology › Immunology › Immunodeficiency and Autoimmune Disorders
Keywords
autoinflammatory disease, NLRP3, NLRP12, NLRC4, PLCγ2, germline mutations, cold-induced urticaria, differential diagnosis, genetic susceptibility
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, Adolescent, Adult, Aged, Calcium-Binding Proteins, Child, Child, Preschool, Cold Temperature, Female, Humans, Infant, Male, Middle Aged, Phenotype, Prospective Studies, Risk Factors, Spain, Urticaria, Genetic Variation, Genetic Predisposition to Disease, Intracellular Signaling Peptides and Proteins, Phospholipase C gamma, CARD Signaling Adaptor Proteins, Young Adult, Hereditary Autoinflammatory Diseases, Tertiary Care Centers

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