Understand the source comparison
Central tolerance versus peripheral tolerance
Central tolerance occurs in the thymus, where self-reactive T cells are eliminated before they enter circulation. Peripheral tolerance operates throughout the body, using Tregs and other regulatory mechanisms to suppress any self-reactive cells that escape thy
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- Central tolerance occurs in the thymus, where self-reactive T cells are eliminated before they enter circulation. Peripheral tolerance operates throughout the body, using Tregs and other regulatory mechanisms to suppress any self-reactive cells that escape thymic selection. Autoimmune disease represents a failure of both systems.
- Peptide-based approaches can target both types of tolerance. Thymus-supporting peptides like thymosin alpha-1, Thymalin, and Vilon enhance central tolerance by supporting the organ responsible for T cell selection. Immune-modulating peptides like KPV and thymosin alpha-1 enhance peripheral tolerance by promoting Treg expansion and function. The ability to support tolerance at multiple levels simultaneously is what makes peptide combinations particularly interesting for autoimmune research.