Thermospermine Synthase (ACL5) and Diamine Oxidase (DAO) Expression Is Needed for Zygotic Embryogenesis and Vascular Development in Scots Pine. [PDF]
Front Plant Sci, 2019 Unlike in flowering plants, the detailed roles of the enzymes in the polyamine (PA) pathway in conifers are poorly known. We explored the sequence conservation of the PA biosynthetic genes and diamine oxidase (DAO) in conifers and flowering plants to reveal the potential functional diversification of the enzymes between the plant lineages.
Vuosku J +8 more
europepmc +8 more sources
Equations of Substrate-inhibition Kinetics Applied to Pig Kidney Diamine Oxidase (DAO, E.C. 1.4.3.6) [PDF]
Journal of Enzyme Inhibition and Medicinal Chemistry, 2003 Pig kidney diamine oxidase (DAO) and other semicarbazide-sensitive amine oxidases (SSAO) show clear substrate-inhibition kinetics and a reaction-scheme mechanism based on two substrate binding sites. We evaluated several reaction scheme mechanisms with a non-linear regression program (NCSS), estimating R2, the constants of the equations and their ...
G. Ignesti
exaly +6 more sources
Measurement of diamine oxidase (DAO) during low-histamine or ordinary diet in patients with histamine intolerance. [PDF]
Eur J Clin NutrAbstract Background/Objectives Quantification of diamine oxidase (DAO) concentrations in serum has been proposed as an adjunctive diagnostic modality for the evaluation of histamine intolerance (HIT).
Rentzos G +3 more
europepmc +5 more sources
A case series of diamine oxidase deficiency misdiagnosed as anxiety or panic attacks in patients with tachycardia [PDF]
Indian Journal of PsychiatryBackground: Diamine oxidase (DAO) deficiency, a key marker of histamine intolerance (HIT), often mimics anxiety or panic disorders, leading to a misdiagnoses and delayed treatment.
Ilkay Keskinel
doaj +2 more sources
Evaluation of the Safety and Tolerability of Three Single Ascending Doses of Diamine Oxidase (DAO) in Healthy Volunteers: A Randomized Clinical Trial [PDF]
International Journal of Translational MedicineBackground/Objectives: Diamine oxidase (DAO) enzyme metabolizes dietary histamine in the gastrointestinal tract. DAO deficiency can lead to histamine intolerance (HIT), manifesting as migraines, gastrointestinal disturbances, and allergic reactions.
Pol Molina Perelló +8 more
doaj +2 more sources
Estimation of serum levels of mast cells-related chymase, histamine and diamine oxidase in oral submucous fibrosis- a preliminary report [PDF]
BMC Oral Healthbackground Mast cell infiltration in oral submucous fibrosis (OSMF) has been drawn in to play a definitive role in initiation, progression, and symptom like burning sensation.
Harshkant Gharote +2 more
doaj +2 more sources
The Prevalence of Diamine Oxidase Polymorphisms and Their Association with Histamine Intolerance Symptomatology in the Mexican Population [PDF]
BiomedicinesExogenous histamine obtained from the intake of histamine-rich food is mainly metabolized by the diamine oxidase enzyme (DAO). Histamine intolerance (HIT) is an alteration mainly caused by DAO deficiency, which is commonly associated with ...
Pamela Aguilar-Rodea +8 more
doaj +2 more sources
A Diamine Oxidase from Glutamicibacter halophytocola for the Degradation of Histamine and Tyramine in Foods [PDF]
FoodsA novel diamine oxidase (DAO) was discovered in the bacterium Glutamicibacter halophytocola (DAO-GH). The gene of DAO-GH was integrated into the genome of the yeast Komagataella phaffii and recombinantly produced under control of the methanol-inducible ...
Lucas Kettner +4 more
doaj +2 more sources
Toward food-grade production of the Glutamicibacter halophytocola diamine oxidase using Komagataella phaffii [PDF]
AMB ExpressThe diamine oxidase from Glutamicibacter halophytocola (DAO-GH) was recombinantly produced in K. phaffii using the constitutive glyceraldehyde-3-phosphate dehydrogenase promoter for methanol-free production. Firstly, K.
Anna Bechtel +4 more
doaj +2 more sources
Degradation of histamine in tuna soup by diamine oxidase (DAO) [PDF]
WIT Transactions on Ecology and the Environment, 2011 Histamine is a biogenic amine, which can cause food poisoning when present at high concentrations (>500 ppm). In situations where the formation of histamine in food cannot be prevented through traditional methods such as refrigeration, diamine oxidase (DAO) enzyme may be a suitable method to reduce histamine concentration to safe levels.
Aishath Naila +5 more
openalex +2 more sources