{"id":10700,"date":"2018-04-20T19:25:13","date_gmt":"2018-04-20T19:25:13","guid":{"rendered":"https:\/\/new.dr-healthcare.com\/2018\/04\/20\/circadian-profiling-reveals-higher-histamine-plasma-levels-and-lower-diamine-oxidase-serum-activities-in-24-of-patients-with-suspected-histamine-intolerance-compared-to-food-allergy-and-controls\/"},"modified":"2023-07-04T07:59:12","modified_gmt":"2023-07-04T07:59:12","slug":"circadian-profiling-reveals-higher-histamine-plasma-levels-and-lower-diamine-oxidase-serum-activities-in-24-of-patients-with-suspected-histamine-intolerance-compared-to-food-allergy-and-controls","status":"publish","type":"post","link":"https:\/\/dr-healthcare.com\/en\/2018\/04\/20\/circadian-profiling-reveals-higher-histamine-plasma-levels-and-lower-diamine-oxidase-serum-activities-in-24-of-patients-with-suspected-histamine-intolerance-compared-to-food-allergy-and-controls\/","title":{"rendered":"Circadian profiling reveals higher histamine plasma levels and lower diamine oxidase serum activities in 24% of patients with suspected histamine intolerance compared to food allergy and controls"},"content":{"rendered":"<p><a href=\"https:\/\/www.deficitdao.org\/wp-content\/uploads\/2018\/12\/037-Circadian-profiling-lower-activity-DAO.pdf\">download pdf<\/a><\/p>\n<p><span role=\"menubar\"><a title=\"Allergy.\" role=\"menuitem\" href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/29154390#\" aria-expanded=\"false\" aria-haspopup=\"true\">Allergy.<\/a><\/span>\u00a02018 Apr;73(4):949-957. doi: 10.1111\/all.13361. Epub 2017 Dec 15.<\/p>\n<div class=\"auths\"><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/?term=Pinzer%20TC%5BAuthor%5D&amp;cauthor=true&amp;cauthor_uid=29154390\">Pinzer TC<\/a><sup>1<\/sup>,\u00a0<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/?term=Tietz%20E%5BAuthor%5D&amp;cauthor=true&amp;cauthor_uid=29154390\">Tietz E<\/a><sup>1<\/sup>,\u00a0<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/?term=Waldmann%20E%5BAuthor%5D&amp;cauthor=true&amp;cauthor_uid=29154390\">Waldmann E<\/a><sup>2<\/sup>,\u00a0<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/?term=Schink%20M%5BAuthor%5D&amp;cauthor=true&amp;cauthor_uid=29154390\">Schink M<\/a><sup>1<\/sup>,\u00a0<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/?term=Neurath%20MF%5BAuthor%5D&amp;cauthor=true&amp;cauthor_uid=29154390\">Neurath MF<\/a><sup>1<\/sup>,\u00a0<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pubmed\/?term=Zopf%20Y%5BAuthor%5D&amp;cauthor=true&amp;cauthor_uid=29154390\">Zopf Y<\/a><sup>1<\/sup>.<\/div>\n<div class=\"afflist\">\n<h3><span class=\"ui-ncbitoggler-master-text\">Author information<\/span><\/h3>\n<div class=\"ui-helper-reset\" aria-live=\"assertive\">\n<dl class=\"ui-ncbi-toggler-slave ui-ncbitoggler ui-ncbitoggler-slave-open\" aria-hidden=\"false\">\n<dt>1<\/dt>\n<dd>Department of Medicine 1, Hector Center for Nutrition, Exercise and Sports, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany.<\/dd>\n<dt>2<\/dt>\n<dd>Department of Medical Informatics, Biometry and Epidemiology, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany.<\/dd>\n<\/dl>\n<\/div>\n<\/div>\n<div class=\"abstr\">\n<h3><\/h3>\n<h3>Abstract<\/h3>\n<div class=\"\">\n<h4>BACKGROUND:<\/h4>\n<p>Histamine intolerance is thought to trigger manifold clinical symptoms after ingesting histamine-rich food due to reduced activity of diamine oxidase (DAO). No study has hitherto systematically assessed daily fluctuations of histamine levels and DAO activities in symptomatic patients. The aim of the study was to investigate the presence of histamine intolerance, to therefore establish day profiles of histamine levels and DAO activities, and to compare the results between patients with suspected histamine intolerance, food allergy and healthy controls.<\/p>\n<h4>METHODS:<\/h4>\n<p>We determined day profiles of histamine plasma levels and DAO serum activities in 33 patients with suspected histamine intolerance, in 21 patients with proven food allergy and in 10 healthy control patients. Clinical symptoms, food intolerances and further clinical and laboratory chemical parameters were evaluated.<\/p>\n<h4>RESULTS:<\/h4>\n<p>Twenty-four percent (8 of 33) suspected histamine-intolerant patients showed elevated histamine levels during the day. That might be caused by constantly and significantly reduced DAO activities in these patients compared to food-allergic and control patients. The remaining 25 patients presented normal histamine levels and DAO activities, but an increased prevalence of multiple food intolerances compared to the other subgroup of suspected histamine-intolerants. There was no correlation between subjective complaints and serological histamine parameters in patients with suspected histamine intolerance.<\/p>\n<h4>CONCLUSIONS:<\/h4>\n<p>We determined by daily profiling that decreased DAO activities correlated with elevated histamine levels in a subgroup of suspected histamine-intolerants. This finding discriminates these patients from food intolerant individuals with similar clinical symptoms and strongly suggests the presence of histamine intolerance.<\/p>\n<p class=\"copyright\">\u00a9 2017 EAACI and John Wiley and Sons A\/S. Published by John Wiley and Sons Ltd.<\/p>\n<\/div>\n<\/div>\n<div class=\"keywords\">\n<h4>KEYWORDS:<\/h4>\n<p>day profile; diamine oxidase activities; food allergy; histamine intolerance; histamine levels<\/p>\n<\/div>\n<div class=\"aux\">\n<div class=\"resc\">\n<dl class=\"rprtid\">\n<dt>PMID:<\/dt>\n<dd>29154390<\/dd>\n<dt>PMCID:<\/dt>\n<dd><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5947167\/\">PMC5947167<\/a><\/dd>\n<dt>DOI:<\/dt>\n<dd><a href=\"https:\/\/doi.org\/10.1111\/all.13361\" target=\"_blank\" rel=\"noopener noreferrer\">10.1111\/all.13361<\/a><\/dd>\n<\/dl>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>download pdf Allergy.\u00a02018 Apr;73(4):949-957. doi: 10.1111\/all.13361. Epub 2017 Dec 15. Pinzer TC1,\u00a0Tietz E1,\u00a0Waldmann E2,\u00a0Schink M1,\u00a0Neurath MF1,\u00a0Zopf Y1. Author information 1 Department of Medicine 1, Hector Center for Nutrition, Exercise and Sports, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany. 2 Department of Medical Informatics, Biometry and Epidemiology, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany. Abstract BACKGROUND: Histamine intolerance is thought to trigger [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.8 (Yoast SEO v20.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Circadian profiling reveals higher histamine plasma levels and lower diamine oxidase serum activities in 24% of patients with suspected histamine intolerance compared to food allergy and controls &ndash;<\/title>\n<meta name=\"description\" content=\"Circadian profiling reveals higher histamine plasma levels and lower diamine oxidase serum activities in 24% of patients with suspected histamine intolerance compared to food allergy and controls\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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