STAT3-associated hyper-IgE syndrome
Thursday 30 June 2011
autosomal dominant hyper-IgE syndrome; Autosomal dominant hyper-IgE recurrent infection syndrome / Job-Buckley syndrome; autosomal dominant HIES; Job syndrome; autosomal-dominant hyper-IgE syndrome; STAT3 deficiency
Definition: Autosomal dominant hyper-IgE recurrent infection syndrome is caused by mutation in the STAT3 gene (MIM.102582) (Job-Beckley syndrome).
Hyper-IgE recurrent infection syndrome is a primary immunodeficiency disorder characterized by chronic eczema, recurrent staphylococcal infections, increased serum IgE, and eosinophilia.
Patients have a distinctive coarse facial appearance, abnormal dentition, hyperextensibility of the joints, and bone fractures (Buckley et al., 1972; Grimbacher et al., 1999).
Autosomal dominant hyper IgE syndrome (AD-HIES) is a primary immune deficiency characterized by the classic triad of recurrent skin boils, cyst-forming pneumonias, and extreme elevations of serum IgE.
It is now recognized that other common manifestations include eczema, mucocutaneous candidiasis, and several connective tissue and skeletal abnormalities.
A rash in the newborn period subsequently evolves into an eczematoid dermatitis.
Recurrent staphylococcal skin boils and bacterial pneumonias usually manifest in the first years of life. Pneumatocoeles and bronchiectasis often result from aberrant healing of pneumonias. Mucocutaneous candidiasis is common. A characteristic facial appearance typically develops in adolescence.
Skeletal abnormalities include osteopenia, minimal trauma fractures, and scoliosis. Vascular abnormalities including middle-sized arterial tortuosity and aneurysms have been described.
Survival is typically into adulthood, but life span is often shortened. Most deaths are associated with Gram-negative (Pseudomonas) or fungal pneumonias. Lymphomas occur at an increased frequency.
recurring bacterial infections of the skin and sinopulmonary tract
elevation of circulating immunoglobulin E levels
bacterial pulmonary abscess
cavitating fungal abscess
invasive fungal disease (#20392475#)
cystic lung disease
- Pseudomonas aeruginosa
- fungal organisms
pulmonary fungal vascular invasion with fatal hemorrhage
metastatic fungal disease
- Aspergillus fumigatus
- Scedosporium prolificans
colonization of lung cavities (pneumatoceles) by Aspergillus sp. (#16110817#, #9264169#)
- Aspergillus sp. infection (#9827305#)
- local invasion by Aspergillus sp. (#16110817#)
- rarely disseminated infection by Aspergillus sp. (#16110817#)
Diagnosis requires a high index of suspicion based on clinical features, a clinical scoring system that includes both immunologic/infectious manifestations and skeletal/connective tissue abnormalities, and molecular genetic testing of STAT3, the only gene currently known to be associated with AD-HIES.
The mainstay of treatment is prevention of staphylococcal abscesses and pneumonias with anti-staphylococcal prophylactic antibiotics as well as early aggressive treatment of infections. Use of antibiotics and antifungal agents depends on the nature of the infection and extent of involvement. Antiseptic therapies for the skin such as bleach baths are beneficial. Surveillance: Periodic chest imaging and high clinical suspicion assist in early detection of infections, culture of skin lesions and sputum samples helps direct therapy. Routine dental care is necessary to ensure timely removal of primary teeth to allow eruption of secondary teeth, routine screening of adolescents for early signs of scoliosis.
AD-HIES is inherited in an autosomal dominant manner. To date, the majority of cases have been caused by de novo mutations. Each child of an individual with AD-HIES has a 50% chance of inheriting the mutation. Prenatal diagnosis for pregnancies at increased risk is possible if the disease-causing mutation in the family is known.
germline mutations of STAT3 (MIM.102582) in hyper-IgE syndrome (MIM.147060) (autosomal dominant hyper-IgE recurrent infection syndrome / Job-Buckley syndrome)
thickening of the soft tissue of the nose
retained primary teeth
reduced resorption of primary tooth roots
recurrent sinopulmonary infections
decreased bone mineral density
recurrent skin abscesses
recurrent Staphylococcus aureus infections
abscesses are ’cold,’ lacking erythema, heat, and swelling
recurrent fungal infections
increased serum IgE
- papulopustular rash on the face and scalp before the age of 2 months (67% of patients)
- neonatal papulopustular rash progressing to a chronic impetiginized eczematous dermatitis
- eczematous dermatitis before the age of 18 months (95%), mainly confined to the face, scalp, chest, and buttocks
- infected dermatitis (Staphylococcus aureus)
- chronic candidiasis of the oral mucosa and nails (59%)
- cutaneous herpes virus infections
- coarse facial skin with prominent follicular ostia resembling atrophoderma vermiculatum
- mucosal candidiasis (#21346738#)
vascular anomalies (#21494893#, #17098478#)
- congenital patent ductus venosus (#17236905#)
- bronchial artery aneurysm (#7724285#)
- coronary artery anomalies (#21494893#)
- coronary artery tortuosity or coronary artery dilation (70% of HIES patients)
- coronary artery aneurysms (37%) (#17098478#)
- paucity of atherosclerosis
- STAT3 can play an integral role in human vascular remodeling and atherosclerosis. (#21494893#)
- coronary artery ectasia (#17098478#)
- myocardial infarction (#17098478#)
connective tissue anomalies and skeletal system anomalies
- characteristic facies
- joint hyperextensibility
- retained primary dentition
- pathologic fractures
autosomal recessive HIES (MIM.243700), caused by mutation in the DOCK8 gene (MIM.611432)
TYK2 deficiency (tyrosine kinase-2 deficiency) (MIM.611521), which is caused by mutation in the TYK2 gene (MIM.176941)
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An adolescent with marked hyperimmuno-globulinemia E showing minimal change nephrotic syndrome and a STAT3 gene mutation. Miyazaki K, Miyazawa T, Sugimoto K, Fujita S, Yanagida H, Okada M, Takemura T. Clin Nephrol. 2011 Apr;75(4):369-73. PMID: #21426892#
Cutaneous findings in sporadic and familial autosomal dominant hyper-IgE syndrome: A retrospective, single-center study of 21 patients diagnosed using molecular analysis. Olaiwan A, Chandesris MO, Fraitag S, Lortholary O, Hermine O, Fischer A, de Prost Y, Picard C, Bodemer C. J Am Acad Dermatol. 2011 Jun 22. PMID: #21703716#
Coronary Artery Abnormalities in Hyper-IgE Syndrome. Freeman AF, Avila EM, Shaw PA, Davis J, Hsu AP, Welch P, Matta JR, Hadigan C, Pettigrew RI, Holland SM, Gharib AM. J Clin Immunol. 2011 Apr 15. PMID: #21494893#
Keratoconus associated with hyperimmunoglobulin E syndrome. Kim J, Netto MV. Cornea. 2004 Jan;23(1):93-6. PMID: #14701966#
Coronary artery aneurysms in patients with hyper IgE recurrent infection syndrome. Ling JC, Freeman AF, Gharib AM, Arai AE, Lederman RJ, Rosing DR, Holland SM. Clin Immunol. 2007 Mar;122(3):255-8. PMID: #17098478#
Bronchial artery aneurysm in hyperimmunoglobulinemia E syndrome. Connolly B, Manson D, Khattak S, Burrows P. Pediatr Radiol. 1994;24(8):592-3. PMID: #7724285#