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Zarrouk medium is the primary medium used in production systems but comes at high costs

Safety, tolerability, pharmacokinetics, and pharmacodynamics of concomitant administration of multiple doses of cagrilintide with semaglutide 24 mg for weight management: a randomised, controlled, phase 1b trial. Lancet 397(10286):17361748

Our results show that after 24 hr treatment, GHK attenuates U937 cell proliferation at 20 nM while GHK-PEG attenuates cell proliferation at 10 and 20 nM ( Figure 3 )

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