{"id":10819,"date":"2015-11-16T17:26:39","date_gmt":"2015-11-16T17:26:39","guid":{"rendered":"https:\/\/new.dr-healthcare.com\/2015\/11\/16\/serum-diamine-oxidase-activity-in-patients-with-histamine-intolerance\/"},"modified":"2023-02-17T17:56:39","modified_gmt":"2023-02-17T17:56:39","slug":"serum-diamine-oxidase-activity-in-patients-with-histamine-intolerance","status":"publish","type":"post","link":"https:\/\/dr-healthcare.com\/en\/2015\/11\/16\/serum-diamine-oxidase-activity-in-patients-with-histamine-intolerance\/","title":{"rendered":"Serum diamine oxidase activity in patients with histamine intolerance"},"content":{"rendered":"

download pdf<\/a><\/p>\n

Int J Immunopathol Pharmacol<\/a><\/span>. 2016 Mar; 29(1): 105\u2013111.<\/span><\/div>\n
Published online 2015 Nov 16.\u00a0<\/span><\/div>\n

G Manzotti<\/a>,1<\/sup>\u00a0D Breda<\/a>,2<\/sup>\u00a0M Di Gioacchino<\/a>,3<\/sup>\u00a0and\u00a0SE Burastero<\/a>2,<\/sup>3<\/sup><\/p>\n

1<\/sup>Allergy Outpatients Service, General Hospital, P. le Ospedale n. 1, 24047 Treviglio, Italy<\/div>\n
2<\/sup>Laboratory of Cellular and Molecular Allergology, San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy<\/div>\n
3<\/sup>Department of Medicine and Science of Ageing, G. D\u2019Annunzio University, Chieti, Italy<\/div>\n
Samuele Burastero, San Raffaele Scientific Institute, Via Olgettina 58, 20132 Milan, Italy. Email\u00a0ti.rsh@oretsarub.s<\/a><\/div>\n
<\/div>\n
\n

Abstract<\/h2>\n
\n
\n

Introduction:<\/h3>\n

Intolerance to various foods, excluding\u00a0bona fide<\/em>\u00a0coeliac disease and lactose intolerance, represents a growing cause of patient visits to allergy clinics.<\/p>\n

Histamine intolerance is a long-known, multifaceted clinical condition triggered by histamine-rich foods and alcohol and\/or by drugs that liberate histamine or block diamine oxidase (DAO), the main enzyme involved in the metabolism of ingested histamine. Histamine limitation diets impose complex, non-standardized restrictions that may severely impact the quality of life of patients.<\/p>\n<\/div>\n

\n

Methods:<\/h3>\n

We retrospectively evaluated 14 patients who visited allergy outpatient facilities in northern Italy with a negative diagnosis for IgE-mediated food hypersensitivity, coeliac disease, conditions related to gastric hypersecretion, and systemic nickel hypersensitivity, and who previously underwent a histamine limitation diet with benefits for their main symptoms. Serum diamine oxidase levels and the clinical response to diamine oxidase supplementation were investigated.<\/p>\n<\/div>\n

\n

Results:<\/h3>\n

We found that 10 out of 14 patients had serum DAO activity <10 U\/mL, which was the threshold suggested as a cutoff for probable histamine intolerance. Moreover, 13 out of 14 patients subjectively reported a benefit in at least one of the disturbances related to food intolerances following diamine oxidase supplementation. The mean value (\u00b1 SD) of diamine oxidase activity in the cohort of patients with histamine intolerance symptoms was 7.04 \u00b1 6.90 U\/mL compared to 39.50 \u00b1 18.16 U\/mL in 34 healthy controls (P<\/em>\u00a0= 0.0031).<\/p>\n<\/div>\n

\n

Conclusion:<\/h3>\n

In patients with symptoms triggered by histamine-rich food, measuring the serum diamine oxidase activity can help identify subjects who can benefit from a histamine limitation diet and\/or diamine oxidase supplementation.<\/p>\n

Properly designed, controlled studies investigating histamine intolerance that include histamine provocation are indispensable for providing insights into the area of food intolerances, which are currently primarily managed with non-scientific approaches in Italy.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/div>\n
doi:\u00a010.1177\/0394632015617170<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"

Intolerance to various foods, excluding\u00a0bona fide\u00a0coeliac disease and lactose intolerance, represents a growing cause of patient visits to allergy clinics.<\/p>\n

Histamine intolerance is a long-known, multifaceted clinical condition triggered by histamine-rich foods and alcohol and\/or by drugs that liberate histamine or block diamine oxidase (DAO), the main enzyme involved in the metabolism of ingested histamine. Histamine limitation diets impose complex, non-standardized restrictions that may severely impact the quality of life of patients.<\/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":"\nSerum diamine oxidase activity in patients with histamine intolerance –<\/title>\n<meta name=\"description\" content=\"Serum diamine oxidase activity in patients with histamine intolerance\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dr-healthcare.com\/en\/2015\/11\/16\/serum-diamine-oxidase-activity-in-patients-with-histamine-intolerance\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Serum diamine oxidase activity in patients with histamine intolerance\" \/>\n<meta property=\"og:description\" content=\"Serum diamine oxidase activity in patients with histamine intolerance\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dr-healthcare.com\/en\/2015\/11\/16\/serum-diamine-oxidase-activity-in-patients-with-histamine-intolerance\/\" \/>\n<meta property=\"og:site_name\" content=\"DR Healthcare - 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