The chemotactic response of peripheral blood MNC from healthy subjects and non-atopic asthmatics against the respective pathogen isolated and cultured from sputum of individual patients was investigated. We found that the wide range of concentrations of autologous bacteria induced chemotaxis of MNC from asthmatics but showed no influence on MNC from healthy subjects. This finding might explain the mechanism of lymphocyte accumulation in the lungs of non-atopic asthmatics.
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http://dx.doi.org/10.1111/j.1365-2222.1992.tb02832.x | DOI Listing |
J Asthma
December 2024
Department of Medicine, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil.
Background: Asthma in the elderly is usually considered homogeneous and non-atopic.
Objective: To compare clinical, functional and immunological features between elderly asthmatics with long-standing asthma (LSA) and those with late-onset asthma (LOA).
Methods: Eighty-two asthmatics older than 64 were included into LSA (asthma onset before age 40; = 46) and LOA (asthma onset from 40 years of age on; = 36) groups.
World Allergy Organ J
November 2024
Department of Pediatrics, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Seoul, South Korea.
Background: Periostin and human chitinase-3-like protein 1 (YKL-40) have been suggested to be involved in the development of airway fibrosis and remodeling. This study aimed to investigate the relationship between serum periostin levels and airway hyperresponsiveness (AHR) and between serum YKL-40 levels and AHR in children with asthma, comparing periostin as a marker for Th2 inflammation and atopy with YKL-40.
Methods: The study involved children aged 6-15 years, comprising 75 with asthma and 29 healthy controls.
Allergol Select
October 2024
Center for Child and Adolescent Health, Helios Hospital Krefeld, Academic Hospital of RWTH Aachen, Krefeld.
Allergy Asthma Immunol Res
September 2024
Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea.
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