2010
DOI: 10.1038/ejhg.2010.142
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Duplications of FOXG1 in 14q12 are associated with developmental epilepsy, mental retardation, and severe speech impairment

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Cited by 110 publications
(128 citation statements)
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“…8 This duplication is similar in size to the B3 Mb minimal duplicated region that includes FOXG1, c14orf32 and PRKD1 described in affected patients reported by Brunetti-Pierri et al 1 Patients carrying these small-sized duplications (cases 1 and 5 in Figure 1) were assessed as non-dysmorphic, so it is possible the healthy CHOP patient is yet to present with developmental problems, infantile spasms or other seizures. Alternatively, this case provides further evidence that FOXG1 duplication may be benign or incompletely penetrant.…”
supporting
confidence: 52%
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“…8 This duplication is similar in size to the B3 Mb minimal duplicated region that includes FOXG1, c14orf32 and PRKD1 described in affected patients reported by Brunetti-Pierri et al 1 Patients carrying these small-sized duplications (cases 1 and 5 in Figure 1) were assessed as non-dysmorphic, so it is possible the healthy CHOP patient is yet to present with developmental problems, infantile spasms or other seizures. Alternatively, this case provides further evidence that FOXG1 duplication may be benign or incompletely penetrant.…”
supporting
confidence: 52%
“…1 Thus, it is not surprising that subjects at the mildest end of the spectrum may present with few or no clinically evident manifestations of the disease.…”
Section: Reply To Amor Et Almentioning
confidence: 99%
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“…7,8,[12][13][14] Mutation analyses have identified de novo loss-of-function point mutations in FOXG1, particularly in patients with the congenital form of Rett syndrome. [15][16][17] Duplications of FOXG1 are also found in patients with epilepsy and intellectual impairment, [18][19][20][21] highlighting the importance of gene dosage at this locus, although more recently the pathogenicity of FOXG1 duplications has been questioned. 22 We report the clinical features and array CGH findings of three atypical Rett syndrome patients.…”
Section: Introductionmentioning
confidence: 99%
“…The importance of FOXG1 dosage during brain development is further suggested by the association of chromosome 14q12 duplications harboring FOXG1 with epilepsy, mental retardation, and severe speech impairment. [36][37][38][39] However, Amor et al 40 recently questioned the pathogenicity of FOXG1 duplications. Kortum et al 16 described one patient with mental retardation and postnatal microcephaly who carries a 2;14 translocation with the 14q12 breakpoint mapping in a region B265 kb downstream of FOXG1.…”
Section: Discussionmentioning
confidence: 99%