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- Title
Non-Immunoglobulin Synthetic Binding Proteins for Oncology.
- Authors
David, Temitope I.; Pestov, Nikolay B.; Korneenko, Tatyana V.; Barlev, Nikolai A.
- Abstract
Extensive application of technologies like phage display in screening peptide and protein combinatorial libraries has not only facilitated creation of new recombinant antibodies but has also significantly enriched repertoire of the protein binders that have polypeptide scaffolds without homology to immunoglobulins. These innovative synthetic binding protein (SBP) platforms have grown in number and now encompass monobodies/adnectins, DARPins, lipocalins/anticalins, and a variety of miniproteins such as affibodies and knottins, among others. They serve as versatile modules for developing complex affinity tools that hold promise in both diagnostic and therapeutic settings. An optimal scaffold typically has low molecular weight, minimal immunogenicity, and demonstrates resistance against various challenging conditions, including proteolysis – making it potentially suitable for peroral administration. Retaining functionality under reducing intracellular milieu is also advantageous. However, paramount to its functionality is the scaffold's ability to tolerate mutations across numerous positions, allowing for the formation of a sufficiently large target binding region. This is achieved through the library construction, screening, and subsequent expression in an appropriate system. Scaffolds that exhibit high thermodynamic stability are especially coveted by the developers of new SBPs. These are steadily making their way into clinical settings, notably as antagonists of oncoproteins in signaling pathways. This review surveys the diverse landscape of SBPs, placing particular emphasis on the inhibitors targeting the oncoprotein KRAS, and highlights groundbreaking opportunities for SBPs in oncology.
- Subjects
SYNTHETIC proteins; CARRIER proteins; PEPTIDES; RECOMBINANT antibodies; LIBRARY design &; construction; IMMUNOGLOBULINS; POLYPEPTIDES
- Publication
Biochemistry (00062979), 2023, Vol 88, Issue 9, p1232
- ISSN
0006-2979
- Publication type
Article
- DOI
10.1134/S0006297923090043