Structure-activity of type I interferons
- 1 September 1997
- journal article
- review article
- Published by Springer Nature in Biotherapy
- Vol. 10 (1) , 59-86
- https://doi.org/10.1007/bf02678218
Abstract
Type I IFNs constitute a family of proteins exhibiting high homology in primary, secondary, and tertiary structures. They interact with the same receptor and transmit signals to cellular nucleus through a similar mechanism, eliciting roughly homogeneous biological activity. Nevertheless, the members of that family, IFNα species, IFNβ and IFNω, due to local differences in the structure sometime show distinct properties. From the reported data it results that even minute changes or differences in the primary sequences could be responsible for a significant variety of biological actions, thus inducing to the hypothesis that Type I IFNs, rather than to be the result of a redundant replication during the evolution, play definite roles in the defense of living organisms to foreign agents.Keywords
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