a.
Published cases of inherited recessive mutations unmasked by hemizygosity due to a de novo deletion
Phenotype of proband | Unmasked gene | Gene location | SNV | Parental origin of SNV | Chromosomal location | Deletion size, Mb | Parental origin of de novo deletion | Reference |
---|---|---|---|---|---|---|---|---|
Prader-Willi syndrome; oculocutaneous albinism | OCA2 | 15q12-q13.1 | p. Val443Ile; c. 1327G>A | mother is heterozygous carrier | del(15)(q11.2q13.1) | nd | paternal | Lee et al., 1994 |
VCF/DiGeorge syndrome; Bernard-Soulier syndrome | GP1BB | 22q11.21 | c. −133C>G | nd | del(22)(q11.2q11.2) | nd | nd | Ludlow et al., 1996 |
MR, retinoblastoma + Wilson disease | ATP7B | 13q14.3 | nd | maternal | del(13)(q14.2q21.1) | nd | paternal | Riley et al., 2001 |
Smith-Magenis syndrome; sensorineural hearing loss | MYO15A | 17p11.2 | p. Thr2205Ile; c. 6614C>T | mother is heterozygous carrier | del(17)(p11.2p11.2) | nd | paternal | Liburd et al., 2001 |
Angelman syndrome; oculocutaneous albinism | OCA2 | 15q12-q13.1 | c. 647-?_807+?del (deletion of exon 7) | father is heterozygous carrier | del(15)(q11.2q13.1) | ∼5 | maternal | Fridman et al., 2003 |
Williams syndrome; chronic granulomatous disease | NCF1 | 7q11.23 | p. Tyr26fs; c. 75-76del | nd | del(7)(q11.23q11.23) | nd | nd | Kabuki et al., 2003 |
Sotos syndrome; reduced coagulation factor 12 activity | F12 | 5q35.3 | c. −4C>T (rs1801020) | nd | del(5)(q35.3q35.3) | 2.2 | nd | Kurotaki et al., 2005 |
22q11 del syndrome; psychotic disorder | COMT | 22q11.21 | p. Val158Met; c. 472G>A | nd | del(22)(q11.2q11.2) | nd | nd | Gothelf et al., 2005 |
Wolf-Hirschhorn syndrome; Wolfram syndrome | WFS1 | 4p16.1 | p. Gln366X; c. 1096C>T | mother is heterozygous carrier | inv dup del(4) (:p15.33→p16.1::p16.1→qter) | 8.3 | paternal | Flipsen-ten Berg et al., 2007 |
22q13 del syndrome; metachromatic leukodystrophy | ARSA | 22q13.33 | p. Pro426Leu c. 1277C>T | nd | del(22)(q13.2qter).ish cgh dup(13)(q22qter) | ∼8 | nd | Bisgaard et al., 2009 |
Werner syndrome | WRN | 8p12 | p. Tyr57X; c. 171C>G | nd | del (8)(p12p12) | 0.553 | nd | Friedrich et al., 2010 |