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This study observed that the SREBF1 mutation c.1669C>T (p.Arg557Cys) may act as a recurrent hotspot mutation associated with both hereditary mucoepithelial dysplasia and autosomal-dominant ichthyosis follicularis with atrichia and photophobia syndrome, suggesting they may be on the same clinical spectrum.

This study identified mutations in the SREBF1 gene that impair SREBP1 function, potentially contributing to IFAP syndrome by affecting skin, hair, and eye development.

This case report describes an 18-year-old male with IFAP syndrome, confirmed by total hair loss, severe photophobia, and characteristic skin changes, marking a rare presentation of the condition.

The document explains the genetic causes and characteristics of inherited hair disorders.

In this study, researchers identified a recurrent MBTPS2 splice-site variant as a mutational hotspot in IFAP syndrome across diverse families, with phenotype severity suggesting the influence of additional modifiers.