Table 1

Clinical spectrum in patients diagnosed with FERMT3 mutations

Family*HematologyDetachment of umbilical cordRecurrent infectionWound-healing defectBleedingHSCTDeathMutation CALDAGGEF1Mutation FERMT3
TF-dependent anemia (> 7 y) Late ++ +++ Post-HSCT Yes Arg509X 
− Normal − +++ − − Yes Arg509X 
− Normal +++ +++ Post-HSCT Yes Arg509X 
4 (1) − Late +++ ++ ++ − Infection Yes Arg509X 
4 (2) − Normal − Hemorrhage Yes Arg509X 
− Late − ++ − Yes Arg509X 
6 (1) Anemia (early, transient) Normal − − Yes Arg509X 
6 (2) − Normal − − Yes Arg509X 
− Late − − − − Yes Arg509X 
− Normal − − ++ − − No Arg573X 
− Normal ++ ++ +++ Post-HSCT No Trp229X 
Family*HematologyDetachment of umbilical cordRecurrent infectionWound-healing defectBleedingHSCTDeathMutation CALDAGGEF1Mutation FERMT3
TF-dependent anemia (> 7 y) Late ++ +++ Post-HSCT Yes Arg509X 
− Normal − +++ − − Yes Arg509X 
− Normal +++ +++ Post-HSCT Yes Arg509X 
4 (1) − Late +++ ++ ++ − Infection Yes Arg509X 
4 (2) − Normal − Hemorrhage Yes Arg509X 
− Late − ++ − Yes Arg509X 
6 (1) Anemia (early, transient) Normal − − Yes Arg509X 
6 (2) − Normal − − Yes Arg509X 
− Late − − − − Yes Arg509X 
− Normal − − ++ − − No Arg573X 
− Normal ++ ++ +++ Post-HSCT No Trp229X 

TF indicates transfusion (of erythrocytes); HSCT, hematopoietic stem cell transplantation; and +, mild; ++, moderate; +++, severe; −, absent or negative.

*

Families 1 through 7 have been described in more detail by Kuijpers et al.

Intronic sequence variant c.1592-3C>A linked to an intronic deletion in the NRXN2 gene.

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