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Joanna Klimek ; Oskar Kruc ; Joanna Ceklarz , et al. Molecules,2024,29(11):2646. DOI: 10.3390/molecules29112646
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Abstract: The PD-1/PD-L1 complex is an immune checkpoint responsible for regulating the natural immune response, but also allows tumors to escape immune surveillance. Inhibition of the PD-1/PD-L1 axis positively contributes to the efficacy of cancer treatment. The only available therapeutics targeting PD-1/PD-L1 are monoclonal antibody-based drugs, which have several limitations. Therefore, small molecule compounds are emerging as an attractive alternative that can potentially overcome the drawbacks of mAb-based therapy. In this article, we present a novel class of small molecule compounds based on the terphenyl scaffold that bind to PD-L1. The general architecture of the presented structures is characterized by axial symmetry and consists of three elements: an m-terphenyl core, an additional aromatic ring, and a solubilizing agent. Using molecular docking, we designed a series of final compounds, which were subsequently synthesized and tested in HTRF assay and NMR binding assay to evaluate their activity. In addition, we performed an in-depth analysis of the mutual arrangement of the phenyl rings of the terphenyl core within the binding pocket of PD-L1 and found several correlations between the plane angle values and the affinity of the compounds towards the protein.
Keywords: PD-L1 ; immune checkpoint ; small molecule inhibitor ; cancer ; C2-symmetrical ligands
Purchased from AmBeed: 1611-92-3 ; 100-51-6 ; 69321-60-4
CAS No. : | 100-51-6 | MDL No. : | MFCD00004599 |
Formula : | C7H8O | Boiling Point : | - |
Linear Structure Formula : | (C6H5)CH2OH | InChI Key : | WVDDGKGOMKODPV-UHFFFAOYSA-N |
M.W : | 108.14 | Pubchem ID : | 244 |
Synonyms : |
Benzenemethanol
|
Chemical Name : | Phenylmethanol |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
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