The leading edge of that market is driven by popular peptides in use by biohackers and longevity enthusiasts that range from the off-label use of GLP-1 agonists for Alzheimers prevention, to the newly FDA-approved mitochondrial therapeutic SS-31 (elamipretide), to popular grey market biohacker compounds like BPC-157 and Cerebrolysin
The peptides were transported from the surface of the olfactory bulb or bottom region of the brain around the hypothalamus to the deeper part of the brain through the CSF or perivascular spaces of the cerebral artery ( Intranasal coadministration of noncovalently bound L-penetratin with insulin increased insulin levels in the brain and its pharmacological effects were tested at two differential stages of memory impairment using a senescence-accelerated mouse-prone 8 (SAMP8) model that exhibits spontaneous aging and senescence ( The investigators suggested that the phenomenon might occur due to the competition between insulin and A for the degradative pathway by insulin-degrading enzyme (IDE), an enzyme involved in the clearance of extracellular A from the brain (Shiiki et al., 2004)
& Tontonoz, P
TB-500, a synthetic version related to thymosin beta-4 research, is commonly explored for cell migration, tissue remodeling, and recovery-related biological processes
Since sleep regulates the brains clearance of metabolic toxins such as tau and A-42 peptides via the glymphatic system, age-related sleep disruption may impair this clearance, thereby exacerbating neuronal pathology through increased ROS production and ultimately triggering neuronal apoptosis (Xie et al., 2013
Cleve Clin J Med
