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Table 2 Clinical IEI-manifestations of agammaglobulinemia patients harboring candidate disease-causing variants in BTK gene

From: Genetic screening in a Brazilian cohort with inborn errors of immunity

Patient number

Reccurent infections

Hematological alteration

Variant in BTK gene

BTK domain

Blood cell count (%)

Immunoglobulin level

IgA (mg/dL)

IgG (mg/dL)

IgM (mg/dL)

IgE (UI/L)

Patient 1

Sinusite, Pneumonia, and Pseudomonas sp. infection

CD19, CD20 undetectable

undetectable

579

undetectable

undetectable

NM_000061.3:c.1111_1112dup (p.Arg372ProfsTer32)

SH2

RV: 553–971

Patient 2

Pneumonia, Otite, Sinusite

CD19 = 0.7

8

65

32

undetectable

NM_000061.3:c.167T > A (p.Ile56Lys)

PH

RV: 6–23

RV: 4–7

RV: 338–406

RV: 29–32

Patient 3

Artrite, Pneumonias, Sinsuites

CD19 less than 1

17.3

44.5

8.9

0.5

NM_000061.3:c.993dup (p.Arg332ThrfsTer17)

SH2

RV: 6–23

9

RV: 739–793

RV: 81–92

RV: 0 -0.1

Patient 4

Otite, Sinusite, Pneumonia, Artrite

CD19 and CD20 = 0.2

undetectable

 < 30

57

undetectable

NM_000061.3:c.336C > A (p.Tyr112Ter)

PH

RV: 13–27; RV: 7.1–23.8

RV: 616–799

RV: 64–87

Patient 5

Chronic arthritis, pneumonia, and bronchiectasis

CD19 = 0.4; CD20 = 0.2

undetectable

12

undetectable

undetectable

NM_000061.3:c.1735G > T (p.Asp579Tyr)

TK

RV: 13–27; RV: 7.7–24.3

RV: 338–406

  1. RV Reference Value, SH2 SRC homology 2, PH Bruton's tyrosine kinase pleckstrin homology, TK Catalytic domain of the Protein Tyrosine Kinases