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At the same time, it fine-tunes which collagen-clearing enzymes are active, striking a balance between breaking down old tissue and building new tissue, while also calming inflammation

Stability is where researchers most often stumble

However, the activation of endothelial cells may also lead to less-specific distribution of the delivery vector ( FIGURE 2 The opening of the BBB occurs in the early stage of the MS, and peripheral immune activation precedes pathological immune activation in the CNS

Despite its popularity, a 2025 review found only three published human studies on the peptide BPC-157