Molecular characterization of two siblings with DCLRE1C variants
| . | . | . | ||
|---|---|---|---|---|
| Age at diagnosis–years | 28 | 25 | ||
| Sex | Sister | Brother | ||
| Clinical diagnosis | CID–leaky SCID | |||
| Genetic variant | Compound heterozygous: Gene: DCLRE1C (Artemis) Refseq: NM_001033855.3 Variant 1 (maternal): Missense variant. c.58 G>C, p.Asp20His Variant 2 (paternal): NC_000010.10:g(?14984299)(15062294?)del Deletion of around 80 kb, which includes exons 1–3 in DCLRE1C ACMG classification: 5 | |||
| Malignancy | Cervical carcinoma in situ | Aggressive B cell lymphoma | ||
| . | . | . | ||
|---|---|---|---|---|
| Age at diagnosis–years | 28 | 25 | ||
| Sex | Sister | Brother | ||
| Clinical diagnosis | CID–leaky SCID | |||
| Genetic variant | Compound heterozygous: Gene: DCLRE1C (Artemis) Refseq: NM_001033855.3 Variant 1 (maternal): Missense variant. c.58 G>C, p.Asp20His Variant 2 (paternal): NC_000010.10:g(?14984299)(15062294?)del Deletion of around 80 kb, which includes exons 1–3 in DCLRE1C ACMG classification: 5 | |||
| Malignancy | Cervical carcinoma in situ | Aggressive B cell lymphoma | ||
| Immunological profile . | Sister . | Brother . | Unit . | Ref. interval . |
|---|---|---|---|---|
| CD3+ (T cells) | 0.52* | 0.11* | ×109/L | 0.65–1.57 |
| CD19+ (B cells) | 0.01* | <0.01* | ×109/L | 0.08–0.28 |
| CD16+/56+ CD3−(NK cells) | 0.17 | 0.62* | ×109/L | 0.1–0.35 |
| CD3+CD4+ (Th cells) | 0.46* | 0.07* | ×109/L | 0.49–1.34 |
| CD3+CD4+ (Tc cells) | 0.06* | 0.02* | ×109/L | 0.19–0.8 |
| CD4+/CD8+ ratio | 7.58* | 3.31 | | 1.13–3.93 |
| Regulatory T lymphocytes | | | | |
| CD4+CD25+CD127− | 2* | | % | 5–11 |
| Extended T cell panel—reference range based on healthy blood donors aged 18–65 years | | | | |
| Subtypes of CD4+ T cells | | | | |
| CD4+/CD3+ | 85* | 67 | % | 44–79 |
| CD4+naive (CD45RA+CCR7+) | 1* | <0.5* | % | 22–62 |
| CD4+EM (CD45RA−CCR7−) | 8* | 56* | % | 10–47 |
| CD4+CM (CD45RA−CCR7+) | 91* | 43 | % | 14–48 |
| CD4+EMRA (CD45RA+CCR7−) | <0.5* | <0.5* | % | 1–9 |
| Th1 (CXCR3+CCR6−)/CD4+EM | 26 | 25 | % | 22–52 |
| Th2 (CXCR3−CCR6−)/CD4+EM | 7 | 6 | % | 4–27 |
| Th17 (CXCR3−CCR6+)/CD4+EM | 16 | 38* | % | 8–28 |
| Th1 (CXCR3+CCR6−)/CD4+CM | 5* | 13 | % | 13–30 |
| Th2 (CXCR3−CCR6−)/CD4+CM | 2* | 2* | % | 14–53 |
| Th17 (CXCR3−CCR6+)/CD4+CM | 21 | 43* | % | 20–37 |
| Subtypes of CD8+ T cells | | | | |
| CD8+/CD3+ | 11* | 16* | % | 17–47 |
| CD8+ naive (CD45RA+CCR7+) | 2* | Not measurable | % | 10–65 |
| CD8+ EM (CD45RA−CCR7−) | 49* | Not measurable | % | 4–30 |
| CD8+ CM (CD45RA−CCR7+) | 47* | Not measurable | % | 1–12 |
| CD8+ EMRA (CD45RA+CCR7−) | 2* | Not measurable | % | 18–68 |
| Activated T cells | | | | |
| CD4+HLA-DR+CD38− | 4 | 7 | % | 2–11 |
| CD4+HLA-DR+CD38+ | 2 | 23* | % | ≤2 |
| CD8+HLA-DR+CD38− | 3 | Not measurable | % | 2–22 |
| CD8+ HLA-DR+CD38+ | 3 | Not measurable | % | 1–5 |
| B lymphocyte subpopulations: Too few B lymphocytes to perform the analysis | | | | |
| Immunological profile . | Sister . | Brother . | Unit . | Ref. interval . |
|---|---|---|---|---|
| CD3+ (T cells) | 0.52* | 0.11* | ×109/L | 0.65–1.57 |
| CD19+ (B cells) | 0.01* | <0.01* | ×109/L | 0.08–0.28 |
| CD16+/56+ CD3−(NK cells) | 0.17 | 0.62* | ×109/L | 0.1–0.35 |
| CD3+CD4+ (Th cells) | 0.46* | 0.07* | ×109/L | 0.49–1.34 |
| CD3+CD4+ (Tc cells) | 0.06* | 0.02* | ×109/L | 0.19–0.8 |
| CD4+/CD8+ ratio | 7.58* | 3.31 | | 1.13–3.93 |
| Regulatory T lymphocytes | | | | |
| CD4+CD25+CD127− | 2* | | % | 5–11 |
| Extended T cell panel—reference range based on healthy blood donors aged 18–65 years | | | | |
| Subtypes of CD4+ T cells | | | | |
| CD4+/CD3+ | 85* | 67 | % | 44–79 |
| CD4+naive (CD45RA+CCR7+) | 1* | <0.5* | % | 22–62 |
| CD4+EM (CD45RA−CCR7−) | 8* | 56* | % | 10–47 |
| CD4+CM (CD45RA−CCR7+) | 91* | 43 | % | 14–48 |
| CD4+EMRA (CD45RA+CCR7−) | <0.5* | <0.5* | % | 1–9 |
| Th1 (CXCR3+CCR6−)/CD4+EM | 26 | 25 | % | 22–52 |
| Th2 (CXCR3−CCR6−)/CD4+EM | 7 | 6 | % | 4–27 |
| Th17 (CXCR3−CCR6+)/CD4+EM | 16 | 38* | % | 8–28 |
| Th1 (CXCR3+CCR6−)/CD4+CM | 5* | 13 | % | 13–30 |
| Th2 (CXCR3−CCR6−)/CD4+CM | 2* | 2* | % | 14–53 |
| Th17 (CXCR3−CCR6+)/CD4+CM | 21 | 43* | % | 20–37 |
| Subtypes of CD8+ T cells | | | | |
| CD8+/CD3+ | 11* | 16* | % | 17–47 |
| CD8+ naive (CD45RA+CCR7+) | 2* | Not measurable | % | 10–65 |
| CD8+ EM (CD45RA−CCR7−) | 49* | Not measurable | % | 4–30 |
| CD8+ CM (CD45RA−CCR7+) | 47* | Not measurable | % | 1–12 |
| CD8+ EMRA (CD45RA+CCR7−) | 2* | Not measurable | % | 18–68 |
| Activated T cells | | | | |
| CD4+HLA-DR+CD38− | 4 | 7 | % | 2–11 |
| CD4+HLA-DR+CD38+ | 2 | 23* | % | ≤2 |
| CD8+HLA-DR+CD38− | 3 | Not measurable | % | 2–22 |
| CD8+ HLA-DR+CD38+ | 3 | Not measurable | % | 1–5 |
| B lymphocyte subpopulations: Too few B lymphocytes to perform the analysis | | | | |
CD, cluster of differentiation; EM, effector memory; CM, central memory; EMRA, effector memory expressing CD45RA; Th, T helper cell; Tc, cytotoxic T cell; IgD, immunoglobulin D; IgM, immunoglobulin M.
Indicates values outside the reference interval (also indicated in bold).