The present studies deal with histamine binding by some serum proteins of persons with allergic disorders and of normal subjects. It was found, that a defect in histamine inactivation occurs in patients with infectious bronchial asthma. There was no impairment of histaminopexy in the cases of hay fever and Quincke's edema.
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Food Chem
January 2025
School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China. Electronic address:
Tropomyosin (TM), the primary allergen in crustacean aquatic products, has excellent thermal and digestive stability. In this work, the changes in digestive resistance of TM and allergenicity of TM digestion products induced by ultrasound-assisted cold plasma (UCP) treatment were investigated. The stability of TM to simulated digestion were reduced, especially the simulated intestinal fluid (SIF) digestive resistance.
View Article and Find Full Text PDFBiology (Basel)
December 2024
Graduate School of Science and Technology, Niigata University, 8050 Ikarashi 2 No-Cho, Nishi-ku, Niigata 950-2181, Japan.
Public acceptance of genetically modified crops engineered with (Bt) insecticidal protein genes (BT-GMCs), which confer resistance to various lepidopteran insect pests, is generally lacking. As a major concern over BT-GMCs is the allergenicity of insecticidal proteins, alleviating safety concerns should help increase public acceptance. In this study, three lepidopteran-specific Bt toxins, Cry1Aa, Cy1Ab, and Cry1Ac, were treated with simulated digestive fluids under various conditions.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Research and Development, Ichimaru Pharcos Co. Ltd., Motosu, Gifu, Japan.
Hyaluronic acid (HA) is an important component of the skin's extracellular matrix, and its degradation leads to wrinkles. Hyaluronan-binding protein involved in hyaluronan depolymerization (HYBID) is the main factor responsible for HA degradation in dermis. This study aimed to identify natural plant materials that can effectively suppress HYBID expression and protect HA from degradation.
View Article and Find Full Text PDFClin Exp Med
January 2025
The Affiliated Hospital of Southwest Medical University, Luzhou, 646000, Sichuan, China.
Upon stimulation and activation, mast cells (MCs) release soluble mediators, including histamine, proteases, and cytokines. These mediators are often stored within cytoplasmic granules in MCs and may be released in a granulated form. The secretion of cytokines and chemokines occurs within hours following activation, with the potential to result in chronic inflammation.
View Article and Find Full Text PDFComput Biol Chem
January 2025
Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan.
The current study focuses on the potential of second-generation antihistamines, which exhibit fewer side effects compared to first-generation drugs, to block the Histamine H receptor (HR) and mitigate allergic responses. We screened several derivatives of second-generation drugs taking Desloratadine (Deslo) and Acrivastine (Acra) as seed compounds. We performed molecular docking, drug-likeness, quantum chemical calculations, UV-visible and infrared spectroscopy, molecular electrostatic potential (MEP) mapping for understanding drug derivatives potential as efficient drugs and molecular dynamics (MD).
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