ArticleProtein engineering, design & selection : PEDS2017
Selection of novel affinity-matured human chondroitin sulfate proteoglycan 4 antibody fragments by yeast display.
Article in Protein engineering, design & selection : PEDS, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
- Homology Modeling-Based in Silico Affinity Maturation Improves the Affinity of a Nanobody.International journal of molecular sciences · 2019Article
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Authors and funding
4 authors at 2 institutions in 1 country.
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Abstract
Chondroitin sulfate proteoglycan 4 (CSPG4) is a promising target for cancer immunotherapy due to its high level of expression in a number of malignant tumors, and its essential role in tumor growth and progression. Clinical application of CSPG4-targeting immunotherapies is hampered by the lack of fully human high-affinity CSPG4 antibodies or antibody fragments. To overcome this limitation, we performed affinity maturation on a novel human CSPG4 single-chain Fv fragment (scFv) using the random mutagenesis approach and screened for improved variants from a yeast display library using a modified whole-cell panning method followed by fluorescence-activated cell sorting. After six rounds of panning and sorting, the top seven mutant scFvs were isolated and their binding affinities were characterized by flow cytometry and surface plasmon resonance. These highly specific, affinity-matured variants displayed nanomolar to picomolar binding affinities to the CSPG4 antigen. While each of the mutants harbored only two to six amino acid substitutions, they represented ~270-3000-fold improvement in affinity compared to the parental clone. Our study has generated affinity-matured scFvs for the development of antibody-based clinical therapeutics targeting CSPG4-expressing tumors.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.