{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T09:32:54Z","timestamp":1777973574233,"version":"3.51.4"},"reference-count":23,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2018,11,1]],"date-time":"2018-11-01T00:00:00Z","timestamp":1541030400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81602777"],"award-info":[{"award-number":["81602777"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2018,11,1]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Port-wine macrocheilia (PWM) involves a congenital, progressive capillary malformation that results in soft-tissue hypertrophy in the lips. Its aetiology has not yet been fully elucidated.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To investigate frequencies of GNAQ mutation in different tissues from patients with PWM, including skin, mucosa, gland and muscle, using samples obtained during cheiloplasty.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Targeted next-generation sequencing of GNAQ was designed and performed to assess DNA extracted from 80 different affected tissues from 20 patients with PWM.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The GNAQ R183Q mutation was not detected in gland samples but was found in 90%, 95% and 95% of the skin, mucosal and muscle samples, respectively. The lowest levels of mutations were found in the glands (P &amp;lt; 0\u00b7001 vs. skin, mucosa and muscle), and levels were second lowest in the skin (P = 0\u00b7023 vs. mucosa; P = 0\u00b7012 vs. muscle). The mutation frequencies in mucosa and muscle were the highest and showed no statistically significant difference (P = 0\u00b792).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In patients with PWM, GNAQ was mutated in all tissues except for glands. PWM is congenital, and all tissue layers exhibit primary hypertrophy rather than acquired or partially related hypertrophy. Given the advantages of mucosal biopsy, including practicality, lack of scarring and rapid healing, GNAQ mutation in the lip mucosa may be a useful predictor for early-stage PWM in patients with port-wine stains affecting the lips.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/bjd.16830","type":"journal-article","created":{"date-parts":[[2018,6,7]],"date-time":"2018-06-07T09:48:02Z","timestamp":1528364882000},"page":"1109-1114","source":"Crossref","is-referenced-by-count":13,"title":["Somatic GNAQ mutation in different structures of port-wine macrocheilia"],"prefix":"10.1093","volume":"179","author":[{"given":"G.","family":"Ma","sequence":"first","affiliation":[{"name":"Department of Plastic and Reconstructive Surgery Shanghai Ninth People's Hospital Shanghai Jiaotong University School of Medicine 639 Zhizaoju Road Shanghai 200011PR China"},{"name":"Department of Laser and Aesthetic Medicine Shanghai Ninth People's Hospital Shanghai Jiaotong University School of Medicine 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