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Background: Xueshuantong injection (Lyophilized) (XSTI) is widely used to treat cardiovascular and cerebrovascular diseases. However, anaphylactoid reactions (ARs) are frequently reported as one of its side effects, and the mechanisms of ARs and their relationship with the different immune status are still not well understood.
Purpose: This article aims to examine the sensitizing effect of XSTI, explore the impact of normal and immunocompromised states on ARs, and analyze AR-related metabolic pathways by metabolomics.
Astragaloside IV Relieves Central Sensitization by Regulating Astrocytic ROS/NF-κB Nuclear Translocation Signaling in Chronic Migraine Male Rats.
Phytother Res
January 2025
Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Chronic migraine (CM) is a disabling neurological disease. Astragaloside IV (AS-IV), a natural product derived from Astragalus membranaceus, shows great potential in treating chronic pain by relieving inflammation and oxidative stress. This study aimed to investigate the effects and mechanisms of action of AS-IV on CM.
View Article and Find Full Text PDFApplications of basophil activation test in paediatric allergic diseases.
World Allergy Organ J
December 2024
Department of Pediatrics, Pediatric Allergy and Pulmonology Unit, University of Chieti-Pescara, Chieti, Italy.
Basophilic granulocytes, containing and releasing histamine after a specific allergy stimulation, are directly involved in IgE-mediated allergic reactions. CD63 is a transmembrane protein of secretory lysosomes of basophils and its upregulation is related with the release of histamine to the extracellular space during IgE-mediated allergic reactions. Basophil activation test (BAT) measures the activation of circulating basophils upon the stimulation of living blood cells with specific allergens.
View Article and Find Full Text PDFCluster Headache and Hypoxia: Breathing New Life into an Old Theory, with Novel Implications.
Neurol Int
December 2024
Department of Psychology, University of Maine, 301 Williams Hall, Orono, ME 04469-5742, USA.
Cluster headache is a severe, poorly understood disorder for which there are as yet virtually no rationally derived treatments. Here, Lee Kudrow's 1983 theory, that cluster headache is an overly zealous response to hypoxia, is updated according to current understandings of hypoxia detection, signaling, and sensitization. It is shown that the distinctive clinical characteristics of cluster headache (circadian timing of attacks and circannual patterning of bouts, autonomic symptoms, and agitation), risk factors (cigarette smoking; male gender), triggers (alcohol; nitroglycerin), genetic findings (GWAS studies), anatomical substrate (paraventricular nucleus of the hypothalamus, solitary tract nucleus/NTS, and trigeminal nucleus caudalis), neurochemical features (elevated levels of galectin-3, nitric oxide, tyramine, and tryptamine), and responsiveness to treatments (verapamil, lithium, melatonin, prednisone, oxygen, and histamine desensitization) can all be understood in terms of hypoxic signaling.
View Article and Find Full Text PDFOridonin Suppresses Mast Cell Degranulation and Alleviates Ovalbumin-Induced Allergic Rhinitis.
Biol Pharm Bull
November 2024
Laboratory of Bioresponse Regulation, Graduate School of Pharmaceutical Sciences, Osaka University.
Incidence of type I allergies, such as hay fever, is continuously increasing in developed countries, including Japan. Type I allergies are triggered by chemical mediators, such as histamine, which are released via immunoglobulin E (IgE)-mediated mast cell degranulation. Therefore, medications inhibiting the synthesis, release, and receptor binding of these mediators are commonly used to manage type I allergy symptoms.
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