{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T01:10:59Z","timestamp":1782090659512,"version":"3.54.5"},"reference-count":39,"publisher":"Wiley","issue":"22","license":[{"start":{"date-parts":[[2020,3,26]],"date-time":"2020-03-26T00:00:00Z","timestamp":1585180800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["febs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["The FEBS Journal"],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:p>Germline mutation in the <jats:italic>PTEN<\/jats:italic> gene is the genetic basis of PTEN hamartoma tumor syndrome with the affected individuals harboring features of autism spectrum disorders. Characterizing a panel of 14 autism\u2010associated <jats:italic>PTEN<\/jats:italic> missense mutations revealed reduced protein stability, catalytic activity, and subcellular distribution. Nine out of 14 (64%) <jats:italic>PTEN<\/jats:italic> missense mutants had reduced protein expression with most mutations confined to the C2 domain. Selected mutants displayed enhanced polyubiquitination and shortened protein half\u2010life, but that did not appear to involve the polyubiquitination sites at lysine residues at codon 13 or 289. Analyzing their intrinsic lipid phosphatase activities revealed that 78% (11 out of 14) of these mutants had twofold to 10\u2010fold reduction in catalytic activity toward phosphatidylinositol phosphate substrates. Analyzing the subcellular localization of the <jats:italic>PTEN<\/jats:italic> missense mutants showed that 64% (nine out of 14) had altered nuclear\u2010to\u2010cytosol ratios with four mutants (G44D, H123Q, E157G, and D326N) showing greater nuclear localization. The E157G mutant was knocked\u2010in to an induced pluripotent stem cell line and recapitulated a similar nuclear targeting preference. Furthermore, iPSCs expressing the E157G mutant were more proliferative at the neural progenitor cell stage but exhibited more extensive dendritic outgrowth. In summary, the combination of biological changes in PTEN is expected to contribute to the behavioral and cellular features of this neurodevelopmental disorder.<\/jats:p>","DOI":"10.1111\/febs.15287","type":"journal-article","created":{"date-parts":[[2020,3,9]],"date-time":"2020-03-09T21:34:25Z","timestamp":1583789665000},"page":"4848-4861","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Autism\u2010associated PTEN missense mutation leads to enhanced nuclear localization and neurite outgrowth in an induced pluripotent stem cell line"],"prefix":"10.1111","volume":"287","author":[{"given":"Chi Wai","family":"Wong","sequence":"first","affiliation":[{"name":"School of Biomedical Sciences The Chinese University of Hong Kong Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yubing","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Biomedical Sciences The Chinese 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