PMID- 34257797 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20220424 IS - 1939-4551 (Print) IS - 1939-4551 (Electronic) IS - 1939-4551 (Linking) VI - 14 IP - 7 DP - 2021 Jul TI - Allergenicity assessment and allergen profile analysis of different Chinese wheat cultivars. PG - 100559 LID - 10.1016/j.waojou.2021.100559 [doi] LID - 100559 AB - BACKGROUNDS: As one of the most important cereals, wheat (Triticum aestivum) can cause severe allergic reactions, such as baker's asthma, allergic rhinitis, and atopic dermatitis. A growing number of people are developing allergies to Chinese wheat; however, only a few wheat cultivars have been screened on allergenicity in China. OBJECTIVE: The aim of the present study was to assess the allergenicity of different Chinese wheat cultivars and characterize wheat allergen profiles of patients with allergic rhinitis. METHODS: We determined protein (soluble protein, gliadin, and glutenin) composition in Chinese wheat by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE), and the immunoglobulin E (IgE) binding capacity by enzyme-linked immunosorbent assay (ELISA) and Western blot using 10 positive sera from wheat allergy patients. We identified 5 gel bands with significant IgE binding capacity using liquid chromatography-tandem mass spectrometry (LC-MS/MS). RESULTS: Soluble protein, albumin, and globulin, showed the highest allergenicity, followed by gliadin, while glutenin only had slight allergenicity. In soluble protein, 5 protein bands with molecular weights of 27, 28, 53, 58, and 62 kDa showed very significant allergenicity. Meanwhile, the relative abundances of 28 kDa-protein and 58 kDa-protein were significantly positively correlated with the IgE-binding capacity of Chinese wheat cultivars, which were identified as rRNA N-glycosidase and beta-amylase, respectively, among other proteins in those highly complex gel bands. CONCLUSION AND CLINICAL RELEVANCE: 28 kDa-protein (rRNA N-glycosidase) and 58 kDa-protein (beta-amylase) were speculated to be the main allergens of Chinese wheat causing baker's asthma and allergic rhinitis. These results provide new insights into the prevention and treatment of wheat allergy and the development of hypoallergenic wheat products, whose clinical significance is worth further evaluation. CI - (c) 2021 The Authors. FAU - Wang, Yanbo AU - Wang Y AD - Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China. FAU - Weng, Junjie AU - Weng J AD - Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China. FAU - Zhu, Chengbo AU - Zhu C AD - Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China. FAU - Ai, Rong AU - Ai R AD - Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China. FAU - Zhou, Jinru AU - Zhou J AD - Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China. FAU - Wang, Chong AU - Wang C AD - Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China. FAU - Chen, Qing AU - Chen Q AD - Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China. FAU - Fu, Linglin AU - Fu L AD - Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, PR China. LA - eng PT - Journal Article DEP - 20210629 PL - United States TA - World Allergy Organ J JT - The World Allergy Organization journal JID - 101481283 PMC - PMC8258687 OTO - NOTNLM OT - Allergic rhinitis OT - Chinese wheat OT - Main allergens OT - Soluble protein COIS- The authors declare that they have no conflict of interest. EDAT- 2021/07/15 06:00 MHDA- 2021/07/15 06:01 PMCR- 2021/06/29 CRDT- 2021/07/14 07:04 PHST- 2020/10/09 00:00 [received] PHST- 2021/05/07 00:00 [revised] PHST- 2021/05/27 00:00 [accepted] PHST- 2021/07/14 07:04 [entrez] PHST- 2021/07/15 06:00 [pubmed] PHST- 2021/07/15 06:01 [medline] PHST- 2021/06/29 00:00 [pmc-release] AID - S1939-4551(21)00053-3 [pii] AID - 100559 [pii] AID - 10.1016/j.waojou.2021.100559 [doi] PST - epublish SO - World Allergy Organ J. 2021 Jun 29;14(7):100559. doi: 10.1016/j.waojou.2021.100559. eCollection 2021 Jul.