Table 2 Clinical characteristics of patients with DEF6 mutations

From: Human DEF6 deficiency underlies an immunodeficiency syndrome with systemic autoimmunity and aberrant CTLA-4 homeostasis

Patient (age)

P1

P1 (1–4 m)

P1 (5–8 m)

P1 (9–10 m)

P1 (11–12 m)

P2

P3

Neutrophil function

Phagocytosis

normal (E. coli opson.,

      
 

S. pneumoniae opson.)

      

Oxidative burst

normal

      

Hemoglobin

      

54 g/L () (2 y 3 m)

Vaccination response

C. tetani

 

0.73 IU/ml (>=0.4 IU/ml)

0.06 IU/ml (>=0.4 IU/ml)

0.05 IU/ml (>=0.4 IU/ml)

   

C. diphtheriae

 

0.05 IU/ml (>=0.4 IU/ml)

0.02 IU/ml (>=0.4 IU/ml)

0.02 IU/ml (>=0.4 IU/ml)

   

S. pneumonia

 

1:76 (>=1:200)

1:20 (>=1:200)

1:20 (>=1:200)

   

H. influenzae

 

0.76 µg/ml (>=1 µg/ml)

0.06 µg/ml (>=1 µg/ml)

0.07 µg/ml (>=1 µg/ml)

   

B. pertussis

  

0.6 VE (>=11 VE)

    

Autoantibodies

ANCA

   

Positive (1:160)

Positive (1:40)

  

Cardiolipin (IgG)

   

n.d.

Positive (12.1 U/ml)

  

Beta2-glycoprotein

(IgG)

(IgM)

   

Elevated (10.5 U/ml)

Normal (4.9 U/ml)

Positive (28.8 U/ml)

Positive (8 U/ml)

  

Direct Coombs test

      

Positive

Recurrent infections

Bacteria

S. pneumoniae, S. aureus, S. epidermis, E. aerogenes, E. cloacae, E. faecalis

    

E. aerogenes, K. oxytoca, S. epidermis, E. faecalis

 

Virus

Rhinovirus, influenza B, respiratory syncytial virus, rotavirus

    

Not specified

 

Fungi

Not specified

    

Malassezia furfur

 
  1. Reference values in brackets. Values outside reference range are marked in bold. Bacterial species are indicated in italic font
  2. m months, y years, n.d. not determined, opson. opsonized