DSG-PEG2000-GNYTCEVTELTREGETIIELK

DSG-PEG2000-GNYTCEVTELTREGETIIELK is composed of three covalently linked components: 1. DSG (distearoylglycerol) : Lipid anchoring group-a diacylglycerol with two saturated C18 chains; provides strong membrane rigidity and sustained nanoparticle stability, suitable for applications requiring prolonged circulation time. 2. PEG 2000 (polyethylene glycol, molecular weight 2000): Hydrophilic polymer spacer arm-forms a steric hindrance crown around nanoparticles, reducing opsonin activity and reticuloendothelial system (RES) clearance, prolonging circulating half-life, and providing steric separation between the lipid surface and the targeting ligand. 3. GNYTCEVTELTREGETIIELK peptide: Targeting/functional ligand - GNYTCEVTELTREGETIIELK peptide is a CD47 protein functional mimicry peptide that can mimic the interaction between CD47 and signal regulatory protein α (SIRPα), sending a 'don't eat me' signal to macrophages and inhibiting phagocytic activity.

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