Garlic extract in bladder cancer prevention: Evidence from T24 bladder cancer cell xenograft model, tissue microarray, and gene network analysis
- Authors
- Kim, Won Tae; Seo, Sung-Pil; Byun, Young Joon; Kang, Ho-Won; Kim, Yong-June; Lee, Sang-Cheol; Jeong, Pildu; Seo, Yoonhee; Choe, Soo Young; Kim, Dong-Joon; Kim, Seon-Kyu; Moon, Sung-Kwon; Choi, Yung-Hyun; Lee, Geun Taek; Kim, Isaac Yi; Yun, Seok Joong; Kim, Wun-Jae
- Issue Date
- Jul-2017
- Publisher
- SPANDIDOS PUBL LTD
- Keywords
- garlic; urinary bladder neoplasms; microarray analysis; gene regulatory networks; primary prevention
- Citation
- INTERNATIONAL JOURNAL OF ONCOLOGY, v.51, no.1, pp 204 - 212
- Pages
- 9
- Journal Title
- INTERNATIONAL JOURNAL OF ONCOLOGY
- Volume
- 51
- Number
- 1
- Start Page
- 204
- End Page
- 212
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/4258
- DOI
- 10.3892/ijo.2017.3993
- ISSN
- 1019-6439
1791-2423
- Abstract
- There is a growing interest in the use of naturally occurring agents in cancer prevention. This study investigated the garlic extract affects in bladder cancer (BC) prevention. The effect of garlic extract in cancer prevention was evaluated using the T24 BC BALB/C-nude mouse xenograft model. Microarray analysis of tissues was performed to identify differences in gene expression between garlic extract intake and control diet, and gene network analysis was performed to assess candidate mechanisms of action. Furthermore, we investigated the expression value of selected genes in the data of 165 BC patients. Compared to the control group, significant differences in tumor volume and tumor weight were observed in the groups fed 20 mg/kg (p<0.05), 200 mg/kg, and 1000 mg/kg of garlic extract (p<0.01). Genes (645) were identified as cancer prevention-related genes (fold change >2 and p<0.05) by tissue microarray analysis. A gene network analysis of 279 of these genes (p<0.01) was performed using Cytoscape/ClueGo software: 36 genes and 37 gene ontologies were mapped to gene networks. Protein kinase A (PKA) signaling pathway including AKAP12, RDX, and RAB13 genes were identified as poteinial mechanisms for the activity of garlic extract in cancer prevention. In BC patients, AKAP12 and RDX were decreased but, RAB13 was increased. Oral garlic extract has strong cancer prevention activity in vivo and an acceptable safety profile. PKA signaling process, especially increasing AKAP12 and RDX and decreasing RAB13, are candidate pathways that may mediate this prevention effect.
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