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. 1990 Feb;50(2-3):165-71.
doi: 10.1016/0378-4274(90)90007-9.

Toluene diisocyanate-induced conformational changes of serum albumin: a study on repeated inhalations in guinea-pigs

S Kochman  1 , S Lefebvre, J Bernard, A Maujean, A Cazabat, F Lavaud, M Manfait
Affiliations

Toluene diisocyanate-induced conformational changes of serum albumin: a study on repeated inhalations in guinea-pigs

S Kochman et al. Toxicol Lett. 1990 Feb.

Abstract

High responder lines of Hartley guinea-pigs were sensitized by repeated inhalations of toluene diisocyanate (TDI). After 3 weeks, we demonstrated a degree of TDI substitution of the serum-albumin-enriched fraction (AEF) and we ascertained the sensitization of the most exposed animals using PCA methodology. Fourier transform infrared spectroscopy (FT-IR), used to investigate conformational changes in AEF, highlighted the structural modifications of the native protein conformation. Such crucial changes may support, at least in part, the relationship between TDI exposure and triggering of hypersensitivity reactions.

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