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| Primary immunodeficiency or monogenic inflammatory bowel disease v3.6 | TLN1 |
Achchuthan Shanmugasundram changed review comment from: PMID:35861643 reported a 20-year old man of Mexican ancestry with a complex phenotype including thrombocytopenia, T lymphopenia, and low IgG levels. The patient had an absolute lymphocyte counts <1000/mcL and low absolute T-cells. Recent B-cell subset analysis revealed 96% naïve and 4% switched memory B-cells and initial serum immunoglobulin levels at six years of age included: IgG 273, IgA 130, IgM 36. Because of poor antibody responses to pneumococcal vaccine, he was started on immunoglobulin replacement therapy, which he has continued to the present. He continued to experienced intermittent sinusitis, otitis media and bronchitis since 10 years of age, which cleared with oral antibiotics. At 18 years of age, he had abdominal pain at times that was diagnosed as small intestinal bacterial overgrowth, headaches often treated as migraines, and joint pain with limited signs of active arthritis. He was identified with a de novo heterozygous variant c.685C > T (p.Pro 229 Ser) that was not present in his parents. Sources: Literature; to: PMID:35861643 reported a 20-year old man of Mexican ancestry with a complex phenotype including thrombocytopenia, T lymphopenia, and low IgG levels. The patient had an absolute lymphocyte count of <1000/mcL and low absolute T-cells. Recent B-cell subset analysis revealed 96% naïve and 4% switched memory B-cells and initial serum immunoglobulin levels at six years of age included: IgG 273, IgA 130, IgM 36. Because of poor antibody responses to pneumococcal vaccine, he was started on immunoglobulin replacement therapy, which he has continued to the present. He continued to experienced intermittent sinusitis, otitis media and bronchitis since 10 years of age, which cleared with oral antibiotics. At 18 years of age, he had abdominal pain at times that was diagnosed as small intestinal bacterial overgrowth, headaches often treated as migraines, and joint pain with limited signs of active arthritis. He was identified with a de novo heterozygous variant c.685C > T (p.Pro 229 Ser) that was not present in his parents. Sources: Literature |
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| Primary immunodeficiency or monogenic inflammatory bowel disease v3.6 | TLN1 |
Achchuthan Shanmugasundram gene: TLN1 was added gene: TLN1 was added to Primary immunodeficiency or monogenic inflammatory bowel disease. Sources: Literature Mode of inheritance for gene: TLN1 was set to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown Publications for gene: TLN1 were set to 35861643 Phenotypes for gene: TLN1 were set to lymphopenia, MONDO:0003783 Review for gene: TLN1 was set to RED Added comment: PMID:35861643 reported a 20-year old man of Mexican ancestry with a complex phenotype including thrombocytopenia, T lymphopenia, and low IgG levels. The patient had an absolute lymphocyte counts <1000/mcL and low absolute T-cells. Recent B-cell subset analysis revealed 96% naïve and 4% switched memory B-cells and initial serum immunoglobulin levels at six years of age included: IgG 273, IgA 130, IgM 36. Because of poor antibody responses to pneumococcal vaccine, he was started on immunoglobulin replacement therapy, which he has continued to the present. He continued to experienced intermittent sinusitis, otitis media and bronchitis since 10 years of age, which cleared with oral antibiotics. At 18 years of age, he had abdominal pain at times that was diagnosed as small intestinal bacterial overgrowth, headaches often treated as migraines, and joint pain with limited signs of active arthritis. He was identified with a de novo heterozygous variant c.685C > T (p.Pro 229 Ser) that was not present in his parents. Sources: Literature |
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