Table 1.

Individuals with transient myeloproliferative disorder have GATA1 mutations


Patient

Sex

Age, days

Trisomy 21

Hepatomegaly

WBC count, in PB

Blasts,* %

Mutation

Final GATA-1 residue
TMD-1   Male   3   C   yes   116 400   55   159-160ins20   Ala53  
TMD-2   Female   13   M   no   11 000   25   174-175ins14   Ala57  
TMD-3   Male   1   C   no   62 300   62   127-128ins1   Asp42  
TMD-4   Male   2   C   yes   40 600   26   173-174ins16   Ala58  
TMD-5   Male   3   C   yes   164 100   68   146-180del   Thr48  
TMD-6   Male   4   C   no   47 200   49   170-171ins14   Ala57  
TMD-7
 
Male
 
0
 
C
 
yes
 
34 400
 
64
 
205-218del
 
Ala68
 

Patient

Sex

Age, days

Trisomy 21

Hepatomegaly

WBC count, in PB

Blasts,* %

Mutation

Final GATA-1 residue
TMD-1   Male   3   C   yes   116 400   55   159-160ins20   Ala53  
TMD-2   Female   13   M   no   11 000   25   174-175ins14   Ala57  
TMD-3   Male   1   C   no   62 300   62   127-128ins1   Asp42  
TMD-4   Male   2   C   yes   40 600   26   173-174ins16   Ala58  
TMD-5   Male   3   C   yes   164 100   68   146-180del   Thr48  
TMD-6   Male   4   C   no   47 200   49   170-171ins14   Ala57  
TMD-7
 
Male
 
0
 
C
 
yes
 
34 400
 
64
 
205-218del
 
Ala68
 

WBC indicates white blood cell; PB, peripheral blood; C, constitutional trisomy 21; M, mosaic trisomy 21.

*

Percentage of blasts in the peripheral blood.

The final GATA-1 residue encoded in exon 2 prior to the frameshift.

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