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West Ashley Library
9 a.m. – 7 p.m.
Phone: (843) 766-6635
Folly Beach Library
Closed
Phone: (843) 588-2001
Edgar Allan Poe/Sullivan's Island Library
Closed for renovations
Phone: (843) 883-3914
Wando Mount Pleasant Library
9 a.m. – 8 p.m.
Phone: (843) 805-6888
Village Library
9 a.m. – 6 p.m.
Phone: (843) 884-9741
St. Paul's/Hollywood Library
9 a.m. – 8 p.m.
Phone: (843) 889-3300
Otranto Road Library
9 a.m. – 8 p.m.
Phone: (843) 572-4094
Mt. Pleasant Library
9 a.m. – 8 p.m.
Phone: (843) 849-6161
McClellanville Library
9 a.m. - 6 p.m.
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Keith Summey North Charleston Library
9 a.m. – 8 p.m.
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John's Island Library
9 a.m. – 8 p.m.
Phone: (843) 559-1945
Hurd/St. Andrews Library
9 a.m. – 8 p.m.
Phone: (843) 766-2546
Miss Jane's Building (Edisto Library Temporary Location)
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Phone: (843) 869-2355
Dorchester Road Library
9 a.m. – 8 p.m.
Phone: (843) 552-6466
John L. Dart Library
9 a.m. – 7 p.m.
Phone: (843) 722-7550
Baxter-Patrick James Island
9 a.m. – 8 p.m.
Phone: (843) 795-6679
Main Library
9 a.m. – 8 p.m.
Phone: (843) 805-6930
Bees Ferry West Ashley Library
9 a.m. – 8 p.m.
Phone: (843) 805-6892
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9 a.m. - 5 p.m.
Phone: (843) 805-6909
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Localization of Salmonella and albumin-IL-2 to the tumor microenvironment augments anticancer T cell immunity.
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- Author(s): Kung, Yu-Jui; Lam, Brandon; Tseng, Ssu-Hsueh; MacDonald, Alana; Tu, Hsin-Fang; Wang, Suyang; Lin, John; Tsai, Ya Chea; Wu, T. C.; Hung, Chien-Fu
- Source:
Journal of Biomedical Science; 8/12/2022, Vol. 29 Issue 1, p1-12, 12p- Subject Terms:
- Source:
- Additional Information
- Abstract: Background: For centuries, microbial-based agents have been investigated as a therapeutic modality for the treatment of cancer. In theory, these methods would be cheap to produce, broadly applicable in a wide array of cancer types, and could synergize with other cancer treatment strategies. We aimed to assess the efficacy of combining microbial-based therapy using Salmonella SL7207 with interleukin-2 (IL-2), a potent immunostimulatory agent, in the treatment of murine colon carcinoma. Methods: Female BALB/c mice were implanted subcutaneously with CT26 tumors, a model of colon carcinoma. Mice bearing tumors were selected and administered Albumin-IL-2 (Alb-IL2), a fusion protein, for further analysis of anticancer effect. Results: We demonstrated that Salmonella SL7207, a genetically modified strain of Salmonella enterica serovar Typhimurium, preferentially accumulates in the tumor microenvironment, potentiating it to stimulate localized innate immunity. We delivered IL-2 as a fusion protein, Alb-IL2, which we demonstrate to have preferential accumulation properties, bringing it to the tumor and secondary lymphoid organs. Treatment of tumor-bearing mice with Salmonella + Alb-IL2 leads to superior tumor control and enhanced overall survival compared to controls. When assessing immunological factors contributing to our observed tumor control, significantly enhanced T cell population with superior effector function was observed in mice treated with Salmonella + Alb-IL2. We confirmed that these T cells were indispensable to the observed tumor control through antibody-mediated T cell depletion experiments. Conclusions: These findings highlight the ability of Salmonella + Alb-IL2 to serve as a novel therapeutic approach to induce T cell-mediated antitumor immunity and exert long-term tumor control in a murine model of cancer. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Journal of Biomedical Science is the property of BioMed Central and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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