{"id":199,"date":"2011-09-23T18:42:47","date_gmt":"2011-09-23T18:42:47","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=199"},"modified":"2026-02-25T20:54:09","modified_gmt":"2026-02-25T20:54:09","slug":"new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2011\/09\/23\/new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\/","title":{"rendered":"New findings for phenotype\u2013genotype correlations in a large European series of holoprosencephaly cases (Contributed by Sandra MERCIER)"},"content":{"rendered":"<p>Holoprosencephaly (HPE) is the most common forebrain defect in humans characterized by failure of the cerebral hemispheres to completely separate into two distinct halves. The wide HPE spectrum encompasses distinct brain malformation types (from alobar HPE to microform), various craniofacial defects (from cyclopia to normal face) and other extra-craniofacial defects. In addition to this clinical variability, the molecular basis underlying HPE are very heterogeneous (more than 10 genes involved in HPE). Here, we report the correlations between the clinical findings and the molecular analyses of the largest European series (645 HPE patients) and propose a new algorithm for gene analysis and genetic counselling in this complex disease. (<a href=\"http:\/\/jmg.bmj.com\/content\/early\/2011\/09\/22\/jmedgenet-2011-100339.abstract?papetoc\">http:\/\/jmg.bmj.com\/content\/early\/2011\/09\/22\/jmedgenet-2011-100339.abstract?papetoc<\/a> )<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Holoprosencephaly (HPE) is the most common forebrain defect in humans characterized by failure of the cerebral hemispheres to completely separate into two distinct halves. The wide HPE spectrum encompasses distinct brain malformation types (from alobar HPE to microform), various craniofacial defects (from cyclopia to normal face) and other extra-craniofacial defects. In addition to this clinical [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2011\/09\/23\/new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\/\">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-199","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New findings for phenotype\u2013genotype correlations in a large European series of holoprosencephaly cases (Contributed by Sandra MERCIER) - 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\/2011\/09\/23\/new-findings-for-phenotype\u2013genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New findings for phenotype\u2013genotype correlations in a large European series of holoprosencephaly cases (Contributed by Sandra MERCIER) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"Holoprosencephaly (HPE) is the most common forebrain defect in humans characterized by failure of the cerebral hemispheres to completely separate into two distinct halves. The wide HPE spectrum encompasses distinct brain malformation types (from alobar HPE to microform), various craniofacial defects (from cyclopia to normal face) and other extra-craniofacial defects. In addition to this clinical [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2011\/09\/23\/new-findings-for-phenotype\u2013genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2011-09-23T18:42:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-25T20:54:09+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\\\/2011\\\/09\\\/23\\\/new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2011\\\/09\\\/23\\\/new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"New findings for phenotype\u2013genotype correlations in a large European series of holoprosencephaly cases (Contributed by Sandra MERCIER)\",\"datePublished\":\"2011-09-23T18:42:47+00:00\",\"dateModified\":\"2026-02-25T20:54:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2011\\\/09\\\/23\\\/new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\\\/\"},\"wordCount\":133,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2011\\\/09\\\/23\\\/new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2011\\\/09\\\/23\\\/new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2011\\\/09\\\/23\\\/new-findings-for-phenotype%e2%80%93genotype-correlations-in-a-large-european-series-of-holoprosencephaly-cases\\\/\",\"name\":\"New findings for phenotype\u2013genotype correlations in a large European series of holoprosencephaly cases (Contributed by Sandra MERCIER) - 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