Abstract 2842: 6-gingerol attenuates metastasis in aged mice model of colorectal cancer through modulation of epithelial-mesenchymal transition mediators genes and e-cadherin upregulation

Colorectal cancer (CRC) is the third most common cancer in America, and the third cause of cancer related death. Metastasis is the major cause of death in patient with CRC. Many CRC are likely to spread from primary site to the other parts of the body before and after detection of malignant tumor. 6-gingerol, the bioactive component of fresh ginger have been reported to have myriad of biological activities including anti-inflammatory and antioxidant properties. We have previously reported the anti-CRC effect of 6-gingerol. However there is dearth of information on the anti-metastatic effect 6-gingerol in CRC. Thus, the effect of 6-gingerol on epithelial-mesenchymal transition mediators' genes and E-Cadherin repression in aged mice model of CRC was assessed in this study. Following institutional ethical approval. Aged male BALB/c mice (10 months) were divided into four groups of 10 mice each. Mice were fed with AIN-93 diet and allowed access to water ad libitum. Group 1 mice serve as control, group 2 mice received 6-gingerol 10mg/kg/day by oral gavage for 10 weeks. Group 3 mice received a single dose of azoxymethane (AOM) 10mg/kg (iP) and on the seventh day they received three cycles of dextran sulfate sodium (DSS) 2% (W/V) in drinking water ( each cycle is define as one week of DSS followed by two weeks of plain drinking water) Group 4 mice received 6-gingerol 10mg/kg/day by oral gavage in combination with single dose of azoxymethane 10mg/kg (iP) and on the seventh day they received three cycles of dextran sulfate sodium salt 2% (W/V) in drinking water. Mice were humanely sacrificed under anesthesia and colon tissues were processed for RT-PCR and multiplex immunohistochemistry analysis. Mice that received both 6-gingerol and AOM and DSS showed a significant decreased expression of Lymphocyte function-associated antigen-1, N-cadherin, SNAIL 1, ZEB 1, AP4 and HMGA1 with concomitant Upregulation miR-34, miR-15a, miR-218 and miR-302 expression as compared with the AOM and DSS only group. The result obtained from this study showed 6-gingerol inhibited metastasis through modulation of epithelial-mesenchymal transition mediators' genes and E-Cadherin upregulation, and as such 6-gingerol could be a promising anti-metastatic agent in CRC treatment. Citation Format: Babajide Oluwaseun Ajayi, Ayomiposi Adenigba, Anuoluwapo Adeshina. 6-gingerol attenuates metastasis in aged mice model of colorectal cancer through modulation of epithelial-mesenchymal transition mediators genes and e-cadherin upregulation [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2021; 2021 Apr 10-15 and May 17-21. Philadelphia (PA): AACR; Cancer Res 2021;81(13_Suppl):Abstract nr 2842.