Anti-VEGFR2 F(ab')<sub>2</sub> drug conjugate promotes renal accumulation and glomerular repair in diabetic nephropathy.
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ABSTRACT: Poor renal distribution of antibody-based drugs is the key factor contributing to low treatment efficiency for renal diseases and side effects. Here, we prepare F(ab')2 fragmented vascular endothelial growth factor receptor 2 antibody (anti-VEGFR2 (F(ab')2) to block VEGFR2 overactivation in diabetic nephropathy (DN). We find that the anti-VEGFR2 F(ab')2 has a higher accumulation in DN male mice kidneys than the intact VEGFR2 antibody, and simultaneously preserves the binding ability to VEGFR2. Furthermore, we develop an antibody fragment drug conjugate, anti-VEGFR2 F(ab')2-SS31, comprising the anti-VEGFR2 F(ab')2 fragment linked to the mitochondria-targeted antioxidant peptide SS31. We find that introduction of SS31 potentiates the eff
SUBMITTER: Liu D
PROVIDER: S-EPMC10719340 | biostudies-literature | 2023 Dec
REPOSITORIES: biostudies-literature
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