While these changes are natural, they can sometimes make us appear more tired or older than we feel on the inside
Coadministration of trametinib and palbociclib radiosensitizes KRAS-mutant non-small cell lung cancers in vitro and in vivo
Supporting Skin Barrier Function A healthy skin barrier is crucial for preventing irritants and allergens from penetrating the skin
[Confidence: Medium] Organ-Specific Targeting: By isolating the hippocampus, the researchers confirmed that GHK-Cu can cross the blood-brain barrier (or bypass it via olfactory tracts) to modulate neuroinflammation and synaptic plasticity, which are critical bottlenecks in age-related cognitive decline

(2015) described the development of angiotensin IV analogs including Dihexa and their HGF/c-Met potentiation mechanism (PMID: 25455861) Expression of Concern: The landmark 2012 paper describing Dihexa's cognitive effects received an expression of concern from the journal (PMID: 34551989), citing data integrity issues including questioned Western blot images Retraction: A follow-up paper from the same research group was retracted (PMID: 40312093), further undermining the evidence base for Dihexa's reported effects No Human Studies: No clinical trials, pharmacokinetic studies, or safety assessments have been conducted in humans Limited Independent Replication: The core claims about Dihexa's cognitive-enhancing effects have not been independently replicated by groups outside the original laboratory The Evidence Gap: This comparison starkly illustrates the difference between a compound with decades of clinical validation (Cerebrolysin) and one with provocative preclinical data undermined by integrity concerns (Dihexa)
