Blepharophimosis sequence (BPES) and microcephaly in a girl with del(3) (q22.2q23): A putative gene responsible for microcephaly close to the BPES gene?

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Abstract
We report on a girl with the blepharophimosis sequence (BPES), microcephaly of postnatal onset, mild developmental retardation, and a deletion: 46,XX,del(3) (q22.2q23) de novo. A gene for BPES is suspected to be located at 3q23. Almost all cases with interstitial deletions containing 3q23 have not only BPES but also microcephaly and developmental retardation, while those without deletions, including those with apparently balanced translocations, only have BPES. Thus, a putative gene responsible for microcephaly may exist close to BPES gene. BPES, microcephaly, developmental retardation, and primary amenorrhea might constitute a contiguous gene syndrome.