{"id":610,"date":"2013-12-16T20:37:09","date_gmt":"2013-12-16T20:37:09","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=610"},"modified":"2026-02-25T19:54:44","modified_gmt":"2026-02-25T19:54:44","slug":"the-hnf4a-r76w-mutation-causes-atypical-dominant-fanconi-syndrome-in-addition-to-a-beta-cell-phenotype","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2013\/12\/16\/the-hnf4a-r76w-mutation-causes-atypical-dominant-fanconi-syndrome-in-addition-to-a-beta-cell-phenotype\/","title":{"rendered":"The HNF4A R76W mutation causes atypical dominant Fanconi syndrome in addition to a beta cell phenotype (Contributed by Dr Alexander Hamilton)"},"content":{"rendered":"<p>The authors have discovered that a specific mutation in the <i>HNF4A <\/i>gene causes Fanconi syndrome, where salt and protein loss by the kidneys leads to soft bones and short stature. People with this condition usually have to take tablets to replace the salts leaked by the kidneys, and the genes responsible haven\u2019t been found until now. Previously mutations in <i>HNF4A<\/i> have been shown to cause young onset diabetes. This study shows that <i>HNF4A<\/i> mutations can cause kidney problems as well. This finding is also interesting because in this case the Fanconi syndrome is caused by a specific mutation called R76W, but not any other mutations in <i>HNF4A. <\/i>The function of <i>HNF4A<\/i> within the kidney is therefore dependent on this particular region within the gene. (<a href=\"http:\/\/jmg.bmj.com\/content\/early\/2013\/11\/27\/jmedgenet-2013-102066\">http:\/\/jmg.bmj.com\/content\/early\/2013\/11\/27\/jmedgenet-2013-102066<\/a> )<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The authors have discovered that a specific mutation in the HNF4A gene causes Fanconi syndrome, where salt and protein loss by the kidneys leads to soft bones and short stature. People with this condition usually have to take tablets to replace the salts leaked by the kidneys, and the genes responsible haven\u2019t been found until [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2013\/12\/16\/the-hnf4a-r76w-mutation-causes-atypical-dominant-fanconi-syndrome-in-addition-to-a-beta-cell-phenotype\/\">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-610","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The HNF4A R76W mutation causes atypical dominant Fanconi syndrome in addition to a beta cell phenotype (Contributed by Dr Alexander Hamilton) - 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\/2013\/12\/16\/the-hnf4a-r76w-mutation-causes-atypical-dominant-fanconi-syndrome-in-addition-to-a-beta-cell-phenotype\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The HNF4A R76W mutation causes atypical dominant Fanconi syndrome in addition to a beta cell phenotype (Contributed by Dr Alexander Hamilton) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"The authors have discovered that a specific mutation in the HNF4A gene causes Fanconi syndrome, where salt and protein loss by the kidneys leads to soft bones and short stature. 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