Case Reports Research Support, Non-U.S. Gov't Whole exome sequencing Journal Article Letter Severe combined immunodeficiency Atypical presentation DNA (Cytosine-5-)-Methyltransferases DNMT3B EC 2.1.1.37 FOXN1 Familial Mediterranean fever Forkhead Transcription Factors Gene therapy Hematopoietic stem cell transplantation ICF syndrome Immune cell function Immunodeficiency Primary immunodeficiency Primary immunodeficiency disease Pyrin Research Support, N.I.H., Extramural Review WAS protein, human Whn protein Wiskott-Aldrich Syndrome Protein Wiskott-Aldrich syndrome, F-actin polymerization