Variant rs6436132 associated with early-onset PPD affects splicing and expression of PTPRN: sQTL and eQTL in the dorsolateral prefrontal cortex, p = 1.8 × 10–25 and 1.3 × 10–9, respectively, according to the PsyENCODE database (Table 3). Here, PTPRN is linked to progressive pseudorheumatoid arthropathy of childhood.