Abstract
Abstract Angiogenesis is a process in which new blood vessels are formed from the existing blood vessels required to supply nutrients and oxygen to various tissues. Angiogenesis plays a significant role in the growth and spread of many cancers, and several anti-angiogenic agents act as chemotherapeutic agents. Recent studies have shown that fursultiamine (thiamine tetrahydrofurfuryl disulfide), a lipid-soluble synthetic disulfide derivative of thiamine, possesses viable antineoplastic and antiviral effects. However, its role in preventing angiogenesis is not known. We hypothesize that fursultiamine, with its potent antioxidative actions, prevents VEGF-induced angiogenesis in vitro and in vivo. Human umbilical vein endothelial cells (HUVECs) were treated with VEGF in the absence and presence of fursultiamine (0-100 uM) in a time and dose-dependent manner. Cell viability was determined by MTT assay and in vitro angiogenesis by tube formation assays. The expression of various pro-angiogenic, anti-angiogenic and inflammatory markers will be determined by specific antibody arrays. Our results indicate that fursultiamine prevents VEGF-induced endothelial cell growth in a dose-dependent manner. Further, fursultiamine prevents the in vitro tube formation as determined tube formation assays. Further, fursultiamine also regulated the VEGF-induced expression of various angiogenic markers such as VEGF, PDGF, EGF, Ang1, Ang2, angiogenin, and FGF, inflammatory markers such IL-1b, GM-CSF, TGF-b, MMPs, and others such as TIMPs, PTX3 and CF-III. Based on our in vitro data, we suggest that fursultiamine could prevent VEGF-induced angiogenesis, and this compound as a potent anti-angiogenic agent that could prevent cancer growth and metastasis. Citation Format: Sabrina Tran, Zachary Frost, Kota Ramana. Synthetic disulfide derivative of vitamin B1, fursultiamine, prevents VEGF-induced angiogenesis [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2024; Part 1 (Regular Abstracts); 2024 Apr 5-10; San Diego, CA. Philadelphia (PA): AACR; Cancer Res 2024;84(6_Suppl):Abstract nr 5385.
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