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Hyper-IgM syndrome with CHARGE association
Pilar Bahillo1, Teresa Cantero, Pilar Solís
1Department of Pediatrics, Hospital Clínico, University of Valladolid, Valladolid, Spain.
Summary
This report details the first case of CHARGE association and hyper-IgM (HIM) syndrome co-occurring in a single patient. The patient showed immune deficiencies and genetic results were normal, suggesting a potential link.
Area of Science:
- Pediatric genetics
- Immunology
- Rare disease research
Background:
- CHARGE association is a rare genetic disorder with diverse symptoms.
- Hyper-IgM (HIM) syndrome is an immunodeficiency characterized by specific immunoglobulin level abnormalities.
Observation:
- A pediatric patient diagnosed with CHARGE association presented with recurrent otitis and septicemia.
- Immunological evaluation revealed decreased IgG and IgA, increased IgM, and normal cellular immunity, consistent with HIM syndrome.
Findings:
- Genetic sequencing for CD40 ligand and cytidine deaminase genes in the patient yielded normal results.
- The patient responded well to intravenous immunoglobulin therapy.
Implications:
- This case highlights the potential co-occurrence of CHARGE association and HIM syndrome.
- Further research is needed to elucidate the underlying mechanisms and potential non-random association between these two conditions.