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Assesment of Salivary and Serum Levels of HBD2 in Patients with Chronic Angioedema.
J Clin Med
December 2024
Department of Pulmology, Special Hospital for Pulmonary Diseases, 10000 Zagreb, Croatia.
: Human β-defensin 2 (HBD2) is a protein that plays an important role in activating the immune system by modulating spinal pathways and the inflammatory response. According to previous research, HBD2 was proven to be important in chronic spontaneous urticaria (CSU) (their values were significantly elevated in CSU patients, with a significant correlation between HBD2 levels and the percentage of peripheral basophils, suggesting that elevated HBD2 levels may be a potential marker of basophil and mast cell activation), which led us to additional research on the HBD2 molecule in isolated chronic angioedema. The aim of this research is to examine HBD2 values in the saliva and serum of patients with isolated angioedema, as a potential biomarker of the disease.
View Article and Find Full Text PDFAlzheimer's Disease: In Vitro and In Vivo Evidence of Activation of the Plasma Bradykinin-Forming Cascade and Implications for Therapy.
Cells
December 2024
Astria Pharmaceuticals, Boston, MA 02210, USA.
The plaques associated with Alzheimer's disease are formed as a result of the aggregation of Aβ peptides, which vary in length from 38 to 43 amino acids. The 1-40 peptide is the most abundant, while the 1-42 peptide appears to be the most destructive to neurons and/or glial cells in a variety of assays. We have demonstrated that aggregated Aβ, a state prior to plaque formation, will activate the plasma bradykinin-forming pathway when tested in vitro.
View Article and Find Full Text PDFNickel-induced labial angioedema in a pediatric patient with orthodontic braces: a case report.
Ital J Pediatr
January 2025
Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, 00161, Italy.
Background: Angioedema is a condition marked by sudden, intense swelling of the subcutaneous and submucosal tissues, typically associated with hypersensitivity reactions, genetic mutations, or reactions to medications. It can also result from contact with allergens such as nickel, leading to dermatitis.
Case Presentation: A 12-year-old girl presented at our Pediatric Immunology and Allergology service with recurrent labial angioedema for over a year, linked to the consumption of legumes and tomatoes, and following the use of a metal flute.
Angioedema due to acquired C1-inhibitor deficiency without hematological condition: a multicenter French cohort study of 34 patients.
J Allergy Clin Immunol Pract
January 2025
Sorbonne Université, service de médecine interne, AP-HP, Hôpital Saint Antoine, F-75012 Paris, France. Electronic address:
Background: Angioedema (AE) due to acquired C1-inhibitor deficiency (AAE-C1-INH) is a rare disease associating recurrent edema of mucosa and skin. Several underlying diseases have been reported, mainly lymphoproliferative diseases and monoclonal gammopathy. However, 15 to 20% of patients never exhibit such a hematological condition.
View Article and Find Full Text PDFGibberellin-Regulated Protein allergy may identify cypress pollen related fruit allergy with negative test to peach.
J Allergy Clin Immunol Pract
January 2025
Immunology Unit, Verona University Hospital, Verona, Italy. Electronic address:
If a cypress-sensitized patient experiences severe reactions to fruits-particularly with periorbital angioedema and cofactors present-consider testing for Pru p 7-specific IgE, even if initial tests, such as specific IgE to peach and SPT with peach extract, are negative.
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