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Human bladder carci...
Human bladder carcinoma is dominated by T-regulatory cells and Th1 inhibitory cytokines
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- Loskog, Angelica (author)
- Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi
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- Ninalga, Christina (author)
- Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi
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- Paul-Wetterberg, Gabriella (author)
- Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi
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- de la Torre, Manuel (author)
- Uppsala universitet,Institutionen för genetik och patologi
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- Malmström, Per-Uno (author)
- Uppsala universitet,Institutionen för genetik och patologi
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- Tötterman, Thomas H. (author)
- Uppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi
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(creator_code:org_t)
- Ovid Technologies (Wolters Kluwer Health), 2007
- 2007
- English.
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In: Journal of Urology. - : Ovid Technologies (Wolters Kluwer Health). - 0022-5347 .- 1527-3792. ; 177:1, s. 353-358
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Purpose: Immunotherapy has faced limited success, although many solutions have been proposed. Recently regulatory T cells have made a comeback in the immunological arena and the role of these cells in patients with cancer is in focus. It is under evaluation whether the immunological status of patients with cancer may affect their sensitivity to immunotherapy. We are developing immunostimulating gene therapy for treating bladder cancer. In this study we constructed an immunological profile of patients with bladder carcinoma to understand which obstacles must be circumvented. Materials and Methods: Biopsies and blood were used to identify immune cell populations by FACS®, histochemistry and proliferation assays, and cytokine production by polymerase chain reaction. Results: Results indicate that bladder carcinoma is a Tri dominated tumor, as shown by the infiltration of T-regulatory cells expressing FOXP3, and the presence of tumor necrosis factor-β and interleukin-10 mRNA copies. We further noted that circulating patient T cells were unresponsive to polyclonal T-cell activation compared to healthy donor cells. Moreover, CD4+CD25+ T cells were increased in patient blood and could suppress the expansion of allogeneic T cells from healthy donors. Conclusions: Patients with bladder carcinoma show an immunosuppressive regulatory profile, including nonresponsive T cells. Clinical protocols able to effectively counteract these mechanisms are warranted.
Keyword
- bladder
- bladder neoplasms
- FOXP3 protein
- human
- immune tolerance
- regulatory
- T-lymphocytes
- MEDICINE
- MEDICIN
Publication and Content Type
- ref (subject category)
- art (subject category)
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