reta ghk cu peptide GHK-CU – Research GHK-CU Topical Serum 30mL -

In DMSO-treated control, only few endothelial cells migrated from the upper to the lower chamber through the membrane after 12-hour incubation, when the lower chamber contained culture medium supplemented with 10% FBS as a chemoattractant

Response: We thank the commenter for their input but note that the comment related to the Date of Service (DOS) policy is out of scope for the purposes of this OPPS/ASC final rule with comment period as there was no proposal to modify the DOS regulations in the CY 2026 OPPS/ASC proposed rule

We analyzed the relative signal densities by ImageJ software, and -actin density was used as the internal control

This peptide is naturally present in human plasma and is FDA approved for use in anti-aging skin creams