Indeed, HGF protects BBB disruption after microsphere embolism-induced sustained cerebral ischemia by avoiding the inhibition of Bcl-2 (Date et al., 2006), thus decreasing apoptosis, and by reducing the expression of occludin and zonula occludens (ZO)-1, which are tight junction proteins, in cerebrovascular endothelial cells (Takeo et al., 2008)
This compound was first discovered by the researchers during the study of gastric protection
Intriguingly, MRI evidence of BBB disruption has been noted in seemingly normal white matter even before the emergence of enhancing lesions, as well as in non-enhancing regions, implying that BBB impairment precedes both clinical symptoms and other MRI-evident changes in the disease course
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This is a particularly strong concern for peptides like BPC-157