Table 2.

Summary of patients' background with TERC mutation


Case no.

Mutation, sex/age/race

Diagnosis

Family history

Chromosome abnormality

Telomere length in leukocytes, kb

Treatment response
C1   n305 (G > A), F/15 y/H  mAA  Affected twin sister   None   4.6   Response to danazol  
C35   n450 (G > A), F/31 y/W  sAA  Negative   None   11   Response to ATG + CSA  
C131
 
n322 (G > A), M/77 y/W
 
MDS RA
 
Negative
 
del(5)(q15;q13)
 
Not done
 
No response to Epo or CSA
 

Case no.

Mutation, sex/age/race

Diagnosis

Family history

Chromosome abnormality

Telomere length in leukocytes, kb

Treatment response
C1   n305 (G > A), F/15 y/H  mAA  Affected twin sister   None   4.6   Response to danazol  
C35   n450 (G > A), F/31 y/W  sAA  Negative   None   11   Response to ATG + CSA  
C131
 
n322 (G > A), M/77 y/W
 
MDS RA
 
Negative
 
del(5)(q15;q13)
 
Not done
 
No response to Epo or CSA
 

F indicates female; H, Hispanic; W, white; M, Male; mAA, moderate aplastic anemia; ATG, antithymocyte globulin; CSA, cyclosporin A; sAA, severe aplastic anemia; RA, refractory anemia; Epo, erythropoietin

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