An article Synthesis, Biological Evaluation and Molecular Dynamics Simulation Studies of Novel Diphenyl Ethers WOS:000514850000010 published article about FATTY-ACID SYNTHASE; CRYSTAL-STRUCTURE; TRICLOSAN; INHIBITION; APOPTOSIS; CELLS; FAS in [Khade, Amol B.; Kar, Sidhartha S.; Alummoottil, Cinu T.; Tiwari, Ashutosh; Giliyar, Varadaraj B.; Shenoy, Gurupur G.] Manipal Acad Higher Educ, Manipal Coll Pharmaceut Sci, Dept Pharmaceut Chem, Manipal 576104, India; [Tiwari, Mradul] Manipal Acad Higher Educ, Manipal Coll Pharmaceut Sci, Dept Pharmaceut Biotechnol, Manipal 576104, India; [Eshwara, Vandana K.] Manipal Acad Higher Educ, Kasturba Med Coll, Dept Microbiol, Manipal 576104, India; [Bhat, Pritesh] Schrodinger Inc, Near KMWA Vidya Niketan, Bangalore 560086, Karnataka, India in 2020.0, Cited 31.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Category: ethers-buliding-blocks
Background: The well-known antibacterial agent Triclosan (TCL) that targets bacterial enoylacyl protein reductase has been described to inhibit human fatty acid synthase (FASN) via the enoylacyl reductase domain. A Literature survey indicates that TCL is selectively toxic to cancer cells and furthermore might indeed reduce cancer incidence in vivo. A recent study found that TCL inhibits FASN by acting as an allosteric protein-protein interface (PPI) inhibitor. It induces dimer orientation changes that effect in a downstream reorientation of catalytic residues in the NADPH binding site proposing TCL as a viable scaffold to design a superior molecule that might have more inhibitory potential. This unveils tons of potential interaction space to take advantage of future inhibitor design. Objectives: Synthesis of TCL mimicking novel diphenyl ether derivatives, biological evaluation as potential antiproliferative agents and molecular docking and molecular dynamics simulation studies. Methods: A series of novel N-(1-(3-hydroxy-4-phenoxyphenyl)-3-oxo-3-phenylpropyl)acetamides (3a-n) and N-(3(3-hydroxy-4phenoxyphenyl)-3-oxo-1-phenylpropyl) acetamides (6a-n) were designed, synthesized, characterized and evaluated against HepG2, A-549, MCF-7 and Vero cell lines. The induction of antiproliferative activity of selected compounds (3d and 6c) was done by AO/EB (acridine orange/ethidium bromide) nuclear staining method, DNA fragmentation study, and cell cycle analysis was performed by flow cytometry. Molecular docking and dynamics simulation study was also performed. Results: Among the tested compounds, compound 3d was most active (IC50 13.76 +/- 0.43 mu M) against A-549 cell line. Compounds 3d and 3g were found to be moderately active with IC50 30.56 +/- 1.1 mu M and 25.05 +/- 0.8 mu M respectively against MCF-7 cell line. Morphological analysis of A-549 cells treated with 3d and 6c clearly demonstrated the reduction of cell viability and induction of apoptosis. DNA fragmentation was observed as a characteristic of apoptosis in treated cells. Further, cell cycle analysis by flow cytometry confirmed that compounds 3d and 6c significantly arrested the cell cycle at the G0/G1 phase. Molecular docking study demonstrated that these compounds exhibit high affinity for the human fatty acid synthase (hFASN) target. Molecular dynamics simulation study of the most active compound 3d was performed for calculating binding free energies using Molecular Mechanics-Generalized Born Surface Area (MM/GBSA). Conclusion: Compound 3d (IC50 13.76 +/- 0.43 mu M) has been identified as a potential lead molecule for anticancer activity against A-549 cells followed by 3l, 6c, and 3g. Thus, the design of diphenyl ether derivatives with enhanced affinity to the binding site of hER may lead to the discovery of potential anticancer agents.
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Ether – Wikipedia,
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