Immunostimulatory Activity of Dendritic Cells Pulsed with Carbonic Anhydrase IX and Acinetobacter baumannii Outer Membrane Protein A for Renal Cell Carcinoma

Bo Ra Kim; Eun Kyoung Yang; Sun Hee Kim; Dong Chan Moon; Hwa Jung Kim; Je Chul Lee; Duk Yoon Kim

doi:10.1007/s12275-011-1037-x

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Research Support, Non-U.S. Gov't
Immunostimulatory Activity of Dendritic Cells Pulsed with Carbonic Anhydrase IX and Acinetobacter baumannii Outer Membrane Protein A for Renal Cell Carcinoma: Bo Ra Kim ^1,2, Eun Kyoung Yang ¹, Sun Hee Kim ¹, Dong Chan Moon ², Hwa Jung Kim ³, Je Chul Lee ², Duk Yoon Kim ⁴; Journal of Microbiology 2011;49(1):115-120.
DOI: https://doi.org/10.1007/s12275-011-1037-x
Published online: March 3, 2011

¹Department of Physiology, Kyungpook National University School of Medicine, Daegu 700-422, Republic of Korea, ²Department of Microbiology, Kyungpook National University School of Medicine, Daegu 700-422, Republic of Korea, ³Department of Microbiology, Chungnam National University, College of Medicine, Daejeon 301-747, Republic of Korea, ⁴Department of Urology, Catholic University of Daegu, School of Medicine, Daegu 705-718, Republic of Korea¹Department of Physiology, Kyungpook National University School of Medicine, Daegu 700-422, Republic of Korea, ²Department of Microbiology, Kyungpook National University School of Medicine, Daegu 700-422, Republic of Korea, ³Department of Microbiology, Chungnam National University, College of Medicine, Daejeon 301-747, Republic of Korea, ⁴Department of Urology, Catholic University of Daegu, School of Medicine, Daegu 705-718, Republic of Korea

Corresponding author: Je Chul Lee , Tel: +82-53-420-4844,
Duk Yoon Kim , Tel: +82-53-650-4663,

Received: 21 January 2011 • Accepted: 7 February 2011

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Abstract

Dendritic cell (DC)-based immunotherapy is a potent therapeutic modality for treating renal cell carcinoma (RCC), but development of antigens specific for tumor-targeting and anti-tumor immunity is of great interest for clinical trials. The present study investigated the ability of DCs pulsed with a combination of carbonic anhydrase IX (CA9) as an RCC-specific biomarker and Acinetobacter baumannii outer membrane protein A (AbOmpA) as an immunoadjuvant to induce anti-tumor immunity against murine renal cell carcinoma (RENCA) in a murine model. Murine bone-marrow-derived DCs pulsed with a combination of RENCA lysates and AbOmpA were tested for their capacity to induce DC maturation and T cell responses in vitro. A combination of RENCA lysates and AbOmpA up-regulated the surface expression of co-stimulatory molecules, CD80 and CD86, and the antigen presenting molecules, major histocompatibility (MHC) class I and class II, in DCs. A combination of RENCA lysates and AbOmpA also induced interleukin-12 (IL-12) production in DCs. Next, the immunostimulatory activity of DCs pulsed with a combination of CA9 and AbOmpA was determined. A combination of CA9 and AbOmpA up-regulated the surface expression of co-stimulatory molecules and antigen presenting molecules in DCs. DCs pulsed with a combination of CA9 and AbOmpA effectively secreted IL-12 but not IL-10. These cells interacted with T cells and formed clusters. DCs pulsed with CA9 and AbOmpA elicited the secretion of interferon-γ and IL-2 in T cells. In conclusion, a combination of CA9 and AbOmpA enhanced the immunostimulatory activity of DCs, which may effectively induce anti-tumor immunity against human RCC.

Keywords: renal cell carcinoma;dendritic cells;outer membrane protein A;carbonic anhydrase IX

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The Outer Membrane Proteins OmpA, CarO, and OprD of Acinetobacter baumannii Confer a Two-Pronged Defense in Facilitating Its Success as a Potent Human Pathogen
Siva R. Uppalapati, Abhiroop Sett, Ranjana Pathania
Frontiers in Microbiology.2020;[Epub] CrossRef
Host Innate Immune Responses to Acinetobacter baumannii Infection
Wangxue Chen
Frontiers in Cellular and Infection Microbiology.2020;[Epub] CrossRef
Generation of anti-tumour immune response using dendritic cells pulsed with carbonic anhydrase IX-Acinetobacter baumanniiouter membrane protein A fusion proteins against renal cell carcinoma
B-R Kim, E-K Yang, D-Y Kim, S-H Kim, D-C Moon, J-H Lee, H-J Kim, J-C Lee
Clinical and Experimental Immunology.2011; 167(1): 73. CrossRef

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Immunostimulatory Activity of Dendritic Cells Pulsed with Carbonic Anhydrase IX and Acinetobacter baumannii Outer Membrane Protein A for Renal Cell Carcinoma

J. Microbiol. 2011;49(1):115-120. Published online March 3, 2011

DOI: https://doi.org/10.1007/s12275-011-1037-x

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