{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T18:47:03Z","timestamp":1790621223279,"version":"4.1.0"},"reference-count":55,"publisher":"National Academy of Sciences","issue":"26","content-domain":{"domain":["www.pnas.org"],"crossmark-restriction":true},"short-container-title":["Proc. Natl. Acad. Sci. U.S.A."],"published-print":{"date-parts":[[2000,12,19]]},"abstract":"<jats:p>\n                    Craniosynostosis syndromes are autosomal dominant human skeletal\n diseases that result from various mutations in fibroblast growth factor\n receptor genes (\n                    <jats:italic>Fgfrs<\/jats:italic>\n                    ). Apert syndrome (AS) is one of\n the most severe craniosynostosis syndromes and is associated with\n severe syndactyly of the hands and feet and with central nervous system\n malformations. AS is caused by specific missense mutations in one of\n two adjacent amino acid residues (S252W or P253R) in the highly\n conserved region linking Ig-like domains II and III of FGFR2. Here we\n demonstrate that these mutations break one of the cardinal rules\n governing ligand specificity of FGFR2. We show that the S252W mutation\n allows the mesenchymal splice form of FGFR2 (FGFR2c) to bind and to be\n activated by the mesenchymally expressed ligands FGF7 or FGF10 and the\n epithelial splice form of FGFR2 (FGFR2b) to be activated by FGF2, FGF6,\n and FGF9. These data demonstrate loss of ligand specificity of FGFR2\n with retained ligand dependence for receptor activation. These data\n suggest that the severe phenotypes of AS likely result from ectopic\n ligand-dependent activation of FGFR2.\n                  <\/jats:p>","DOI":"10.1073\/pnas.97.26.14536","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T10:44:19Z","timestamp":1027680259000},"page":"14536-14541","update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":221,"title":["Loss of fibroblast growth factor receptor 2 ligand-binding specificity in Apert syndrome"],"prefix":"10.1073","volume":"97","author":[{"given":"Kai","family":"Yu","sequence":"first","affiliation":[{"name":"Departments of Molecular Biology and Pharmacology, and\r Biochemistry, Washington University Medical School,\r Campus Box 8103, 660 South Euclid Avenue, St. Louis, MO 63110"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew B.","family":"Herr","sequence":"additional","affiliation":[{"name":"Departments of Molecular Biology and Pharmacology, and\r Biochemistry, Washington University Medical School,\r Campus Box 8103, 660 South Euclid Avenue, St. Louis, MO 63110"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabriel","family":"Waksman","sequence":"additional","affiliation":[{"name":"Departments of Molecular Biology and Pharmacology, and\r Biochemistry, Washington University Medical School,\r Campus Box 8103, 660 South Euclid Avenue, St. Louis, MO 63110"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David M.","family":"Ornitz","sequence":"additional","affiliation":[{"name":"Departments of Molecular Biology and Pharmacology, and\r Biochemistry, Washington University Medical School,\r Campus Box 8103, 660 South Euclid Avenue, St. Louis, MO 63110"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"341","published-online":{"date-parts":[[2000,12,19]]},"reference":[{"key":"e_1_3_3_1_2","doi-asserted-by":"publisher","DOI":"10.2741\/A321"},{"key":"e_1_3_3_2_2","first-page":"197","volume-title":"Skeletal Growth Factors","author":"Ornitz D M","year":"2000","unstructured":"D M Ornitz Skeletal Growth Factors, ed E Canalis (Lippincott, Philadelphia), pp. 197\u2013209 (2000)."},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0168-9525(00)89088-5"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0168-9525(97)01131-1"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1038\/ng0295-165"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1038\/ng0994-98"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1038\/ng0295-173"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1038\/ng1295-462"},{"key":"e_1_3_3_9_2","first-page":"555","volume":"60","author":"Muenke M","year":"1997","unstructured":"M Muenke, K W Gripp, D M McDonald-McGinn, K Gaudenz, L A Whitaker, S P Bartlett, R I Markowitz, N H Robin, N Nwokoro, J J Mulvihill, et al. 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