Peptide literature references

Neutral reference pages on BPC-157 and TB-500: structure, proposed mechanisms, the model systems used in published work, analytical characterisation, and the limits of the evidence.

• BPC-157 — A synthetic pentadecapeptide: origin, structure, the mechanisms proposed for it in the literature, and the substantial gaps that remain.
• TB-500 — The synthetic LKKTETQ fragment of thymosin β4 — what it is, how it differs from the parent protein, and why that difference matters.

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