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1.
ScientificWorldJournal ; 2012: 474020, 2012.
Article in English | MEDLINE | ID: mdl-22654612

ABSTRACT

The aim of this work was to determine the presence of galectin-10 in nasal lavage fluid (NLF) of patients with aspirin-sensitive respiratory disease (ASRD) before and after challenge with L-ASA (aspirin) by ELISA. Fifteen ASRD patients, ten aspirin-tolerant asthmatics (ATA), and fifteen healthy controls (HC) were studied. The baseline presence of Galectin-10 in PBMC was determined using real time PCR. Galectin-10 was evaluated in tissue of nasal polyps by western blot. Our results showed a lower expression in PBMC of ASRD patients than in ATA and healthy controls. However, a higher concentration of galectin-10 in NLF was found in ASRD patients before and after L-ASA challenge; western blot confirmed a high expression of galectin-10 in tissue from nasal polyps obtained from ASRD patients. Our results suggest a probable role of galectin-10 in the inflammatory response observed in ASRD patients; however, confirmatory studies are needed.


Subject(s)
Aspirin/adverse effects , Galectins/metabolism , Nasal Lavage Fluid/chemistry , Respiratory Tract Diseases/chemically induced , Respiratory Tract Diseases/metabolism , Adolescent , Adult , Aged , Enzyme-Linked Immunosorbent Assay , Female , Humans , Male , Middle Aged , Reverse Transcriptase Polymerase Chain Reaction , Young Adult
2.
Rev. Inst. Nac. Enfermedades Respir ; 5(2): 70-4, abr.-jun. 1992. tab
Article in Spanish | LILACS | ID: lil-118112

ABSTRACT

Estudiamos 16 pacientes con artritis reumatoide, sin evidencia clínica de patología pulmonar. la selección fue realizar mediante un estudio clínico radiológico y pruebas funcionales respiratorias. Una vez detectada la ausencia de alteraciones pulmonares se realizó broncoscopia y lavado bronquioalveolar. la cuenta celular mostró un incremento de los linfocitos o neutrófilos en 6 pacientes. ningún caso presentó simultáneamente ambas alteraciones. En cambio, 2 pacients presentaron un descenso del némero de macrófago en correlación con la elavoración de linfocitos y neutrófilos. La determinación de inmunoglobulinas por nefelometría, mostró elevación de IgG en 4 muestras, incremento de la IgM en 5 lavados y aumento de la IgA en 4 muestras. Sólo 4 de estos 9 enfermos, presentaron elevación de 2 inmunoglobulinas. Las alteraciones subclínicas detectadas por lavado bronquioalveolar puden evideniar los cambios que favorecen el desarrollo y progresión del daño pulmonar en la artritis reumatoide.


Subject(s)
Humans , Arthritis, Rheumatoid/diagnosis , Bronchoalveolar Lavage Fluid , Macrophages/metabolism , Neutrophils/metabolism
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