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BackgroundAsthma is traditionally conceptualized as a T helper 2 (Th2)-mediated inflammatory airway disease. However, increasing evidence suggests that primary immune dysregulation may underlie or phenotypically mimic as...

HELIOS is an IKAROS-family zinc-finger transcription factor that plays an important role in regulatory T cell function and conventional T cell homoeostasis. HELIOS shares a conserved N-terminal DNA-binding and C-terminal...

IntroductionPathogenic variants in the COPA gene are associated with autosomal-dominant autoimmune interstitial lung, joint, and kidney disease, a condition known as COPA syndrome. It is associated with a type I interfer...

IntroductionChronic spontaneous urticaria (CSU) is a clinical diagnosis managed according to American Academy of Allergy, Asthma & Immunology (AAAAI) and the American College of Allergy, Asthma & Immunology (ACAAI) guide...

The rapid annual increase in conditions classified as inborn errors of immunity (IEI), along with associated genetic variants, creates diagnostic challenges. The comprehensive nature of exome sequencing (ES) and genome s...

IntroductionRNU4ATAC-opathies are characterized by biallelic pathogenic variants and include three recognized phenotypes: autosomal recessive Roifman syndrome, microcephalic osteodysplastic primordial dwarfism (MOPD), an...

BackgroundGATA2 deficiency results from heterozygous pathogenic variants in the GATA2 gene, which encodes a zinc-finger transcription factor essential for hematopoietic stem and progenitor cell development. It is a highl...

IntroductionSporotrichosis is an uncommon but emerging opportunistic infection in immunocompromised patients. Primary pulmonary sporotrichosis can disseminate and result in significant morbidity and mortality, despite tr...

IntroductionThe MIRACLE Task Force is a multidisciplinary, multi-institutional work group comprising immunology, genetics, obstetrics/gynecology, and maternal fetal medicine providers dedicated to understanding reproduct...

Immune dysregulation, polyendocrinopathy, enteropathy, X-linked (IPEX) syndrome is a monogenic disorder caused by loss-of-function mutations in the FOXP3 gene, which is critical for the development of functional regulato...

The IKAROS family of zinc finger transcription factors (IKZF1–4) plays a central role in lymphocyte development and immune regulation. Pathogenic IKZF1 variants produce a wide phenotypic spectrum related to whether the...

Background22q11.2 deletion syndrome (DS) is the most common chromosomal microdeletion syndrome and a leading cause of developmental delay, congenital heart disease, and varying degrees of T cell immunodeficiency. While m...

BackgroundDominant-negative (DN) STAT3 defects (STAT3-DN) result in >75% loss of STAT3 function and lead to autosomal-dominant hyper-IgE syndrome (HIES) characterized by severe eczema, recurrent bacterial and fungal infe...