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Barbara Owczarczak
Researcher at Roswell Park Cancer Institute
Publications - 12
Citations - 1116
Barbara Owczarczak is an academic researcher from Roswell Park Cancer Institute. The author has contributed to research in topics: Immune system & Photodynamic therapy. The author has an hindex of 10, co-authored 12 publications receiving 1026 citations.
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Journal ArticleDOI
Role of cytokines in photodynamic therapy-induced local and systemic inflammation.
Sandra O. Gollnick,Sharon S. Evans,Heinz Baumann,Barbara Owczarczak,Patricia Maier,Lurine A. Vaughan,Wan-Chao Wang,E Unger,Barbara W. Henderson +8 more
TL;DR: The ability of PDT using the second-generation photosensitiser 2-[1-hexyloxyethyl]-2-devinyl pyropheophorbide-a (HPPH) to induce proinflammatory cytokines and chemokines, as well as adhesion molecules, known to be involved in neutrophil migration is examined, in mice.
Journal Article
Altered Expression of Interleukin 6 and Interleukin 10 As a Result of Photodynamic Therapy in Vivo
TL;DR: It is demonstrated in a BALB/c mouse model that PDT delivered to normal and tumor tissue in vivo causes marked changes in the expression of cytokines interleukin (IL)-6 and IL-10 but not tumor necrosis factor alpha, and suggested that the general inflammatory response to PDT may be mediated at least in part by IL-6.
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Photodynamic therapy and anti-tumor immunity.
TL;DR: It is hypothesized that PDT generated inflammatory mediators and components released from tumor cells killed by PDT results in the activation of APCs capable of stimulating effector T‐cell proliferation and cytokine secretion.
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CD8+ T cell-mediated control of distant tumours following local photodynamic therapy is independent of CD4+ T cells and dependent on natural killer cells
TL;DR: Results suggest that local PDT treatment of tumour treatment lead to induction of an anti-tumour immune response capable of controlling the growth of tumours outside the treatment field and indicate that this modality has potential in the treatment of distant stage disease.
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Development of photodynamic therapy regimens that control primary tumor growth and inhibit secondary disease.
Madeeha Shams,Barbara Owczarczak,Patricia Manderscheid-Kern,David A. Bellnier,Sandra O. Gollnick +4 more
TL;DR: A two-step combination therapy in which a tumor-controlling PDT regimen was combined with an immune-enhancing PDT regimen resulted in enhanced tumor-specific T cell activation and controlled metastatic tumor growth, suggesting that PDT may be an effective adjuvant for therapies that fail to stimulate the host anti-tumor immune response.