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Bacteria as potential tumour fighter

Zia, U. N. Taraq Naem and Khoo, C. H. and Gwee, C. P. and Sukardi, Sabrina and Yeap, S. K. and Cheah, Yoke Kqueen (2014) Bacteria as potential tumour fighter. In: Scientific Cancer Research Poster Competition in conjunction with Cancer Awareness Carnival 2014, 10 May 2014, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia.

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Abstract

Despite significant progress in the development of therapeutic drugs and treatments, deaths due to cancer still remains high. These therapies are also not specific to tumour regions, hence causing adverse effects to the patients. Bacteria had long been studied for its ability to multiple within tumour regions and also reducing tumour volumes. Salmonella had also been studied and shown to be able to attack cancerous cells. To ensure the bacteria therapy is safe for clinical trial purposes, the bacteria need to undergo the process of silencing and in vivo assessment. This study was carried out to assess the use of SPI knockout S. Typhimurium and S. Agona as a possible tumour reduction agent and to investigate the effect of the SPI knockout strains on the survival of mice with induced tumour. 3 x 106 CT26 cells suspended in PBS were inoculated subcutaneously on the thigh to induce solid tumour. The subjects were then treated with the four bacterial treatments via intraperitoneal and intratumoural route of administration. The changes in the sizes of the tumours were observed daily using a calipher. The subjects were then sacrificed and the organs were harvested for histopathological analysis. One-way ANOVA indicated that the treatments had significant effects at p < 0.05, on both the changes of the tumour volumes and also the survival periods of the subjects. Subjects treated with S. Agona showed better survival compared to subjects treated with S. Typhimurium. S. Agona is found to be a better candidate as a tumour reduction agent, compared to S. Typhimurium, since it showed longer survival period of subjects after treatment and yet, had similar capacity as a tumour reduction agent.

Item Type:Conference or Workshop Item (Poster)
Keyword:Bacteria; S. Agona; S. Typhimurium; Tumour reduction agent
Faculty or Institute:Faculty of Biotechnology and Biomolecular Sciences
Faculty of Medicine and Health Science
Publisher:UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience
ID Code:20170
Deposited By: Nabilah Mustapa
Deposited On:27 Nov 2012 10:22
Last Modified:26 Apr 2016 12:18

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