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Any autosomal agammaglobulinemia in which the cause of the disease is a mutation in the IGLL1 gene.
Features include always present findings: Decreased circulating total IgM, Absent circulating B cells, Recurrent otitis media, and Decreased circulating IgA concentration. 10 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Blood and immune system | 2 | Recurrent bacterial infections, Recurrent respiratory infections |
IGLL1 encodes immunoglobulin lambda like polypeptide 1 (213 aa). Critical for B-cell development Highest expression in Testis (42.3 TPM) and Spleen (0.8 TPM).
Agammaglobulinemia 2, autosomal recessive has been associated with mutations in the IGLL1 gene on chromosome 22.
IGLL1 is classified as a druggable target (Druggable Genome category) with score 0.0.
Genetic testing for IGLL1 is available. Testing is considered supportive for diagnosis.
Phenotype severity distribution: 4 always present features.
No clinical trials have been registered for agammaglobulinemia 2, autosomal recessive.
14 publications have been identified in PubMed for agammaglobulinemia 2, autosomal recessive. Research spans Case Report / Case Series (50%), Epidemiology / Natural History (21%), and Basic Science / Preclinical (14%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 7 | 50% |
Data assembled from 6 of 12 sources · Last updated Sep 20, 2026, 6:52 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Common questions about agammaglobulinemia 2, autosomal recessive
Lungs and breathing
2 |
Recurrent pneumonia, Recurrent respiratory infections |
Brain and nerves | 1 | Meningitis |
Ears | 1 | Recurrent otitis media |
Disease patterns and progression
3 |
21% |
Laboratory research | 2 | 14% |
Research summaries | 1 | 7% |
Clinical study results | 1 | 7% |
Justiz Vaillant AA (2026). [PMID: 29763203](https://pubmed.ncbi.nlm.nih.gov/29763203/). *Unknown Journal*. [Review / Meta-Analysis]
NoorSaeed SM (2025). [PMID: 41327272](https://pubmed.ncbi.nlm.nih.gov/41327272/). *Allergy, asthma, and clinical immunology : official journal of the Canadian Society of Allergy and Clinical Immunology*. [Case Report / Case Series]
Özdemiral C (2025). [PMID: 40862510](https://pubmed.ncbi.nlm.nih.gov/40862510/). *Journal of medical virology*. [Epidemiology / Natural History]
Abd Elhamed MM (2025). [PMID: 41022419](https://pubmed.ncbi.nlm.nih.gov/41022419/). *BMJ case reports*. [Epidemiology / Natural History]
Nakao R (2025). [PMID: 41183948](https://pubmed.ncbi.nlm.nih.gov/41183948/). *The journal of medical investigation : JMI*. [Case Report / Case Series]
Bloomfield M (2025). [PMID: 40321024](https://pubmed.ncbi.nlm.nih.gov/40321024/). *Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology*. [Clinical Trial Publication]
Boyarchuk O (2025). [PMID: 40443574](https://pubmed.ncbi.nlm.nih.gov/40443574/). *Frontiers in pediatrics*. [Case Report / Case Series]
Ito M (2025). [PMID: 40307021](https://pubmed.ncbi.nlm.nih.gov/40307021/). *Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan*. [Case Report / Case Series]
Kose H (2025). [PMID: 40546005](https://pubmed.ncbi.nlm.nih.gov/40546005/). *Iranian journal of immunology : IJI*. [Case Report / Case Series]
Ariello LE (2025). [PMID: 40624633](https://pubmed.ncbi.nlm.nih.gov/40624633/). *BMC ophthalmology*. [Basic Science / Preclinical]