Storage‐Associated Reduction in ELISA‐Detectable Walnut Allergen Levels Does Not Reflect Functional Allergenicity
Summary Commercial ELISA measurements declined during walnut powder storage, while total protein concentrations remained broadly stable. Patient serum IgE binding and basophil activation showed no consistent decline corresponding to ELISA measurements.
Authors
- Erika Ogawa (ORCID: https://orcid.org/0000-0002-2760-7772)
- Sayaka Hamaguchi (ORCID: https://orcid.org/0009-0002-4885-5991)
- Yukihiro Ohya (ORCID: https://orcid.org/0000-0002-1560-3942)
- Kiwako Yamamoto‐Hanada (ORCID: https://orcid.org/0000-0003-1288-9620)
- Kenji Toyokuni (ORCID: https://orcid.org/0009-0002-2333-1817)
- Daisuke Harama (ORCID: https://orcid.org/0000-0002-2967-6739)
- Tomoki Yaguchi (ORCID: https://orcid.org/0000-0002-1903-6922)
- Hideaki Morita (ORCID: https://orcid.org/0000-0003-0928-8322)
- Tatsuki Fukuie (ORCID: https://orcid.org/0000-0003-4962-2137)
- Kotaro Umezawa (ORCID: https://orcid.org/0009-0002-9099-6835)
- Yasuhito Yamamoto
Institutions
- Nagoya City University (JP)
- University of Yamanashi Hospital (JP)
- Tokyo Metropolitan Hiroo Hospital (JP)
- National Center For Child Health and Development (JP)
- National Research Institute for Child Health and Development (JP)
- University of Yamanashi (JP)
Publication Details
- Journal
- Clinical & Experimental Allergy
- Published
- 2026-10-26
- DOI
- https://doi.org/10.1111/cea.70465
- Primary Topic
- Food Allergy and Anaphylaxis Research
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Center for Child Health and Development
- Tokyo Metropolitan Hiroo Hospital
- Japan Society for the Promotion of Science