Holoprosencephaly 7, also known as hpe7, is related to basal cell carcinoma, multiple and overgrowth syndrome, and has symptoms including seizures An important gene associated with Holoprosencephaly 7 is PTCH1 (Patched 1), and among its related pathways/superpathways are Signaling by Hedgehog and Presynaptic function of Kainate receptors. Affiliated tissues include brain, and related phenotypes are depressed nasal tip and macrotia