Article
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Evaluation of Anticancer Efficacy of Cyclosaplin Using a Silk Based 3D Tumor Model
Version 1
: Received: 27 January 2019 / Approved: 29 January 2019 / Online: 29 January 2019 (03:26:23 CET)
A peer-reviewed article of this Preprint also exists.
Mishra, A.; Mukhopadhyay, S.K.; Dey, S. Evaluation of Cyclosaplin Efficacy Using a Silk Based 3D Tumor Model. Biomolecules 2019, 9, 123. Mishra, A.; Mukhopadhyay, S.K.; Dey, S. Evaluation of Cyclosaplin Efficacy Using a Silk Based 3D Tumor Model. Biomolecules 2019, 9, 123.
Abstract
Development of novel anti-cancer peptides requires a rapid screening process which can be accelerated by using appropriate in vitro tumor models. Breast carcinoma tissue is a three dimensional (3D) microenvironment, which contains a hypoxic center surrounded by dense proliferative tissue. Biochemical clues provided by such 3D cell mass cannot be recapitulated in conventional 2D culture systems. In this experiment, we evaluate the efficacy of the sandalwood peptide, cyclosaplin on established in vitro 3D silk breast cancer model using invasive MDA-MB-231 cell line. The anti-proliferative effect of the peptide on 3D silk tumor model is monitored by alamar blue assay, with conventional 2D culture as control. The proliferation rate, glucose consumed, LDH, and MMP-9 activity of Human breast cancer cells are higher in 3D constructs compared to 2D. A higher concentration of drug is required to achieve 50% cell death in 3D culture than 2D cultures. The cyclosaplin treated MDA-MB-231 cells showed significant decrease in MMP-9 activity in 3D constructs. Microscopic analysis revealed the formation of cell clusters evenly distributed in the scaffolds. The drug treated cells were less in number, smaller and showed unusual morphology. Overall, these findings indicate the role of cyclosaplin as a promising anti-cancer therapeutics.
Keywords
breast cancer; cyclosaplin; 3D tumor model; peptide, sandalwood; silk
Subject
Biology and Life Sciences, Biology and Biotechnology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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