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pubmed:abstractText |
Nineteen patients with chronic mucus hypersecretion and reversible airway obstruction were studied during an acute exacerbation. One group of patients was treated with antibiotics and aminophylline, the other, additionally, with gradually decreasing doses of methylprednisolone, starting with 80 mg/day. The sputum specimens were collected on the day of admission and 2 weeks later. In whole sputum, we examined macromolecular components both transudated from serum and locally secreted: albumin, fucose, N-acetylneuraminic acid, total protein, IgA, IgM, IgG. At the end of the second week albumin (marker of serum transudate), and fucose (marker of mucus glycoproteins), were significantly lower in the group treated with corticosteroids. IgG and albumin behaved in the same way suggesting a marked IgG serum exudation. IgM was partially reduced by corticosteroids while IgA remained unchanged.
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