06 March 2022>: Articles
The Missing Link: A Case of Severe Adverse Reaction to Histamine in Food and Beverages
Unknown etiology, Challenging differential diagnosis
József Tamasi A* , Zsuzsanna Balla B , Dorottya Csuka B , László Kalabay * , Henriette Farkas *DOI: 10.12659/AJCR.934212
Am J Case Rep 2022; 23:e934212
Table 4. Single-nucleotide polymorphisms of DAO and HNMT.
Single-nucleotide polymorphism | Genotype | Major allele | Minor allele | Effect on enzyme function | |
---|---|---|---|---|---|
Histamine N-methyltransferase (HNMT) | rs1050891 | AA | A | G | Yes (homozygotic) |
rs11558538 | CC | C | T | No | |
Diamine oxidase (DAO) | rs2052129 | GT | G | T | Yes (heterozygotic) |
rs2268999 | AT | A | T | Yes (heterozygotic) | |
rs10156191 | CT | C | T | Yes (heterozygotic) | |
rs1049742 | CC | C | T | No |