{"id":2179,"date":"2026-04-25T16:23:58","date_gmt":"2026-04-25T16:23:58","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=2179"},"modified":"2026-04-25T16:23:58","modified_gmt":"2026-04-25T16:23:58","slug":"vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2026\/04\/25\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\/","title":{"rendered":"VHL gene fragment analysis: large inversion detection in Alu region for clinical applications (Contributed by Ryan Baugher)"},"content":{"rendered":"<p>Von Hippel-Lindau (VHL) syndrome is a disorder that puts patients at increased risk of developing benign and malignant tumors within various organs. While current genetic tests demonstrate successful detection of minor mutations, large structural rearrangements of the genome are undetectable by existing tests, indicating need for custom test to confirm these large alterations. We validated a test using that evaluates a large (291 kb) inversion found within the <em>VHL<\/em> gene in patients. Validation results achieved 100% match.\u00a0 This report demonstrates that specialized methodologies are essential for managing hereditary diseases and promoting early symptom detection. Our test allows for greater confidence in diagnosis for families dealing with large structural alterations and may aid in future efforts at corrective therapies to ease patient suffering. Work was performed in a Clinical Laboratory Improvement Amendments-certified laboratory (CLIA ID # 21D0947274). (<a href=\"https:\/\/jmg.bmj.com\/content\/early\/2026\/04\/24\/jmg-2026-111493\">https:\/\/jmg.bmj.com\/content\/early\/2026\/04\/24\/jmg-2026-111493<\/a>)<!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Von Hippel-Lindau (VHL) syndrome is a disorder that puts patients at increased risk of developing benign and malignant tumors within various organs. While current genetic tests demonstrate successful detection of minor mutations, large structural rearrangements of the genome are undetectable by existing tests, indicating need for custom test to confirm these large alterations. We validated [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2026\/04\/25\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\/\">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-2179","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>VHL gene fragment analysis: large inversion detection in Alu region for clinical applications (Contributed by Ryan Baugher) - 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\/2026\/04\/25\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"VHL gene fragment analysis: large inversion detection in Alu region for clinical applications (Contributed by Ryan Baugher) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"Von Hippel-Lindau (VHL) syndrome is a disorder that puts patients at increased risk of developing benign and malignant tumors within various organs. While current genetic tests demonstrate successful detection of minor mutations, large structural rearrangements of the genome are undetectable by existing tests, indicating need for custom test to confirm these large alterations. We validated [...]Read More...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.bmj.com\/jmg\/2026\/04\/25\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\/\" \/>\n<meta property=\"og:site_name\" content=\"JMG Contact blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-25T16:23:58+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\\\/2026\\\/04\\\/25\\\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2026\\\/04\\\/25\\\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\\\/\"},\"author\":{\"name\":\"hqqu\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#\\\/schema\\\/person\\\/be0250f8d5b52412c3e7c222dabd591b\"},\"headline\":\"VHL gene fragment analysis: large inversion detection in Alu region for clinical applications (Contributed by Ryan Baugher)\",\"datePublished\":\"2026-04-25T16:23:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2026\\\/04\\\/25\\\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\\\/\"},\"wordCount\":158,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2026\\\/04\\\/25\\\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2026\\\/04\\\/25\\\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\\\/\",\"url\":\"https:\\\/\\\/blogs.bmj.com\\\/jmg\\\/2026\\\/04\\\/25\\\/vhl-gene-fragment-analysis-large-inversion-detection-in-alu-region-for-clinical-applications-contributed-by-ryan-baugher\\\/\",\"name\":\"VHL gene fragment analysis: large inversion detection in Alu region for clinical applications (Contributed by Ryan Baugher) - 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