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Description
Semax peptide is studied for cognitive enhancement, memory support, attention improvement, and neuroprotective applications, including stroke recovery research

Nerve function : Vitamin B12 is essential for maintaining the myelin sheath that protects nerves and optimizes nerve transmission

Microbial contamination (especially in solution) which not only depletes potency but raises safety risks

Both reactions can be catalysed by protein disulphide isomerase (PDI) and possibly other oxidoreductases that share common domains with PDI (for a recent review, see Ellgaard & Ruddock, 2005)
