{"id":1057,"date":"2017-11-10T19:29:30","date_gmt":"2017-11-10T19:29:30","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=1057"},"modified":"2026-02-24T16:05:41","modified_gmt":"2026-02-24T16:05:41","slug":"homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2017\/11\/10\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\/","title":{"rendered":"Homozygous mutation in CEP19, a gene mutated in morbid obesity, in Bardet-Biedl syndrome with predominant postaxial polydactyly (Contributed by Professor Asl\u0131han Tolun)"},"content":{"rendered":"<p>Bardet-Biedl syndrome (BBS) presents a complex phenotype. We discovered that CEP19 gene is defective in a Pakistani family with many members having postaxial polydactyly plus variable other clinical features including rod-cone dystrophy, obesity, intellectual disability, renal malformation, developmental delay, dental anomalies, speech disorder and enlarged fatty liver. We also found different combinations of modifier alleles that exacerbate disease severity in patients. Those alleles are highly significantly more abundant in our patients than in a control group. Another mutation in CEP19 has been reported to cause morbid obesity; however, our patients are not all even obese. Our findings add to the complex genetics of the disease. (<a href=\"http:\/\/jmg.bmj.com\/content\/early\/2017\/11\/09\/jmedgenet-2017-104758\">http:\/\/jmg.bmj.com\/content\/early\/2017\/11\/09\/jmedgenet-2017-104758<\/a>)<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bardet-Biedl syndrome (BBS) presents a complex phenotype. We discovered that CEP19 gene is defective in a Pakistani family with many members having postaxial polydactyly plus variable other clinical features including rod-cone dystrophy, obesity, intellectual disability, renal malformation, developmental delay, dental anomalies, speech disorder and enlarged fatty liver. We also found different combinations of modifier alleles [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2017\/11\/10\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":123,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1057","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Homozygous mutation in CEP19, a gene mutated in morbid obesity, in Bardet-Biedl syndrome with predominant postaxial polydactyly (Contributed by Professor Asl\u0131han Tolun) - JMG Contact blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.bmj.com\/jmg\/2017\/11\/10\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Homozygous mutation in CEP19, a gene mutated in morbid obesity, in Bardet-Biedl syndrome with predominant postaxial polydactyly (Contributed by Professor Asl\u0131han Tolun) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"Bardet-Biedl syndrome (BBS) presents a complex phenotype. We discovered that CEP19 gene is defective in a Pakistani family with many members having postaxial polydactyly plus variable other clinical features including rod-cone dystrophy, obesity, intellectual disability, renal malformation, developmental delay, dental anomalies, speech disorder and enlarged fatty liver. We also found different combinations of modifier alleles [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2017\/11\/10\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2017-11-10T19:29:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-24T16:05:41+00:00\" \/>\n<meta name=\"author\" content=\"hqqu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@HuiQiQu\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hqqu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2017\\\/11\\\/10\\\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2017\\\/11\\\/10\\\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"Homozygous mutation in CEP19, a gene mutated in morbid obesity, in Bardet-Biedl syndrome with predominant postaxial polydactyly (Contributed by Professor Asl\u0131han Tolun)\",\"datePublished\":\"2017-11-10T19:29:30+00:00\",\"dateModified\":\"2026-02-24T16:05:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2017\\\/11\\\/10\\\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\\\/\"},\"wordCount\":136,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2017\\\/11\\\/10\\\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2017\\\/11\\\/10\\\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2017\\\/11\\\/10\\\/homozygous-mutation-in-cep19-a-gene-mutated-in-morbid-obesity-in-bardet-biedl-syndrome-with-predominant-postaxial-polydactyly\\\/\",\"name\":\"Homozygous mutation in CEP19, a gene mutated in morbid obesity, in Bardet-Biedl syndrome with predominant postaxial polydactyly (Contributed by Professor Asl\u0131han Tolun) - 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