{"id":1177,"date":"2018-09-23T11:34:04","date_gmt":"2018-09-23T11:34:04","guid":{"rendered":"https:\/\/blogs.bmj.com\/jmg\/?p=1177"},"modified":"2026-02-24T15:40:15","modified_gmt":"2026-02-24T15:40:15","slug":"leveraging-the-power-of-new-molecular-technologies-in-the-clinical-setting-requires-unprecedented-awareness-of-limitations-and-drawbacks-experience-of-one-diagnostic-laboratory","status":"publish","type":"post","link":"https:\/\/blogs.bmj.com\/jmg\/2018\/09\/23\/leveraging-the-power-of-new-molecular-technologies-in-the-clinical-setting-requires-unprecedented-awareness-of-limitations-and-drawbacks-experience-of-one-diagnostic-laboratory\/","title":{"rendered":"Leveraging the Power of New Molecular Technologies in the Clinical Setting Requires Unprecedented Awareness of Limitations and Drawbacks: Experience of One Diagnostic Laboratory (Contributed by Dr. Landry Nfonsam)"},"content":{"rendered":"<p>Although new molecular technologies and computational prediction tools offer wide-raging opportunities in genetic diagnostic settings, they have many limitations. We contextualize these limitations by investigating incorrect variant detection in genomic regions of high sequence similarities and from inappropriate computational analysis. For instance, we observed a 5% false positive rate in <em>MYH7<\/em> variant detection due to high sequence similarity to <em>MYH6<\/em>. Additionally, using inappropriate computational files during analysis (eg. annotation and default files) significantly increased the risk of incorrect variant detection for certain genes. This study shows that molecular technologies have limitations that need to be addressed to avoid inaccurate diagnoses. (<a href=\"https:\/\/jmg.bmj.com\/content\/early\/2018\/09\/21\/jmedgenet-2018-105443\">https:\/\/jmg.bmj.com\/content\/early\/2018\/09\/21\/jmedgenet-2018-105443<\/a> )<\/p>\n<p><a href=\"https:\/\/blogs.bmj.com\/jmg\/files\/2018\/09\/Group-Picture.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1178\" src=\"https:\/\/blogs.bmj.com\/jmg\/files\/2018\/09\/Group-Picture-300x195.jpg\" alt=\"\" width=\"300\" height=\"195\" srcset=\"https:\/\/blogs.bmj.com\/jmg\/files\/2018\/09\/Group-Picture-300x195.jpg 300w, https:\/\/blogs.bmj.com\/jmg\/files\/2018\/09\/Group-Picture-768x499.jpg 768w, https:\/\/blogs.bmj.com\/jmg\/files\/2018\/09\/Group-Picture-1024x666.jpg 1024w, https:\/\/blogs.bmj.com\/jmg\/files\/2018\/09\/Group-Picture-640x416.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><!--TrendMD v2.4.8--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Although new molecular technologies and computational prediction tools offer wide-raging opportunities in genetic diagnostic settings, they have many limitations. We contextualize these limitations by investigating incorrect variant detection in genomic regions of high sequence similarities and from inappropriate computational analysis. For instance, we observed a 5% false positive rate in MYH7 variant detection due to [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/blogs.bmj.com\/jmg\/2018\/09\/23\/leveraging-the-power-of-new-molecular-technologies-in-the-clinical-setting-requires-unprecedented-awareness-of-limitations-and-drawbacks-experience-of-one-diagnostic-laboratory\/\">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-1177","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>Leveraging the Power of New Molecular Technologies in the Clinical Setting Requires Unprecedented Awareness of Limitations and Drawbacks: Experience of One Diagnostic Laboratory (Contributed by Dr. Landry Nfonsam) - 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\/2018\/09\/23\/leveraging-the-power-of-new-molecular-technologies-in-the-clinical-setting-requires-unprecedented-awareness-of-limitations-and-drawbacks-experience-of-one-diagnostic-laboratory\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Leveraging the Power of New Molecular Technologies in the Clinical Setting Requires Unprecedented Awareness of Limitations and Drawbacks: Experience of One Diagnostic Laboratory (Contributed by Dr. Landry Nfonsam) - JMG Contact blog\" \/>\n<meta property=\"og:description\" content=\"Although new molecular technologies and computational prediction tools offer wide-raging opportunities in genetic diagnostic settings, they have many limitations. We contextualize these limitations by investigating incorrect variant detection in genomic regions of high sequence similarities and from inappropriate computational analysis. 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