A series of 7-O-substituted hesperetins was evaluated for degranulation-inhibiting activity in rat basophil leukaemia cells. 7-O-Methyl and 7-O-ethyl hesperetin exhibited potent anti-degranulation activity compared with the original hesperetin.
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http://dx.doi.org/10.1080/14786419.2017.1280486 | DOI Listing |
Biosci Microbiota Food Health
March 2024
Department of Applied Biological Science, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu-shi, Tokyo 183-8509, Japan.
The anti-allergic effects of extracts prepared from two species of honeybush, and , were demonstrated in a murine allergy model for inhaled antigen induced with ovalbumin (OVA) inhalation to mimic pollen allergy. Intake of the extracts increased the production of OVA-specific immunoglobulin (Ig) E (IgE), IgG1, and IgG2a antibodies in serum and significantly suppressed anaphylactic reaction-induced body temperature decline. Moreover, the extracts significantly inhibited antigen-antibody-induced degranulation in RBL-2H3 cells.
View Article and Find Full Text PDFMetabolites
May 2023
Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China.
Polyphenol-rich foods exhibit anti-allergic/-inflammatory properties. As major effector cells of allergies, mast cells undergo degranulation after activation and then initiate inflammatory responses. Key immune phenomena could be regulated by the production and metabolism of lipid mediators by mast cells.
View Article and Find Full Text PDFFitoterapia
November 2022
Department of Food Science & Nutrition, Nara Women's University, Kitauoya Nishimachi, Nara 630-8506, Japan. Electronic address:
We found that a water-soluble extract of coriander (Coriandrum sativum L.) (leaves, petioles and stems) inhibits antigen-induced degranulation of RBL-2H3 cells, a rat basophil leukemia cell line. The aim of this study was to elucidate the anti-degranulation active components in the extract.
View Article and Find Full Text PDFBMB Rep
June 2022
Natural Product Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451; Division of Bio-Medical Science & Technology, University of Science and Technology (UST), Daejeon 34113, Korea.
The treatment of atopic dermatitis (AD) is challenging due to its complex etiology. From epidermal disruption to chronic inflammation, various cells and inflammatory pathways contribute to the progression of AD. As with immunosuppressants, general inhibition of inflammatory pathways can be effective, but this approach is not suitable for long-term treatment due to its side effects.
View Article and Find Full Text PDFInt Immunopharmacol
April 2022
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kuwait University, Kuwait.
We have recently reported the discovery of a series of oxazolidinone hydroxamic acid derivatives that are potent inhibitors of 5-lipoxygenase (5-LO) [arachidonate 5-lipoxygenase; EC 1.13.11.
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