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Articles 1 - 5 of 5
Full-Text Articles in Cancer Biology
A Novel Strategy Utilizing Co-Expression Of Murine Il-12 And Antisense Tgf-Pl Against H238 Tumor Formation, Craig A. Seheult
A Novel Strategy Utilizing Co-Expression Of Murine Il-12 And Antisense Tgf-Pl Against H238 Tumor Formation, Craig A. Seheult
Loma Linda University Electronic Theses, Dissertations & Projects
Cytokines have a profound effect on immune modulation, thus playing a significant role in cancer gene therapy. A variety of human carcinomas secrete transforming growth factor-beta (TGF-β), a cytokine with potent immunosuppressive properties. Suppressing TGF-β could be a key to successfully combating malignancies, such as gliomas, mammary, and colon cancers, that over-express TGF-β. Conversely, interleukin-12 (IL-12) is a potent immunostimulatory cytokine capable of regulating T and NK cell-mediated cytotoxic responses (Trinchieri, 1994) during an anti-tumor response. Activation of the immune system with such immunostimulatory cytokines renders it inert to the suppressive effects of TGF-β. To better understand these processes our …
Effects Of Liposome-Encapsulated Tnf-Alpha And Radiation Against Colon Cancer, Dong Won Kim
Effects Of Liposome-Encapsulated Tnf-Alpha And Radiation Against Colon Cancer, Dong Won Kim
Loma Linda University Electronic Theses, Dissertations & Projects
Previous studies have shown that tumor necrosis factor-α (TNF-α) can augment the antitumor effects of radiation, inhibiting tumor progression to a greater extent than either modality alone. However, nonspecific toxicities associated with TNF-α have limited its use as an adjuvant. This limitation is potentially resolved with the encapsulation of TNF-α in sterically stabilized, PEGylated liposomes (STEALTH®). Thus, the overall hypothesis of the research was that the combination of radiation with STEALTH® liposome encapsulated TNF-α (SL-TNF-α) will have greater efficacy and fewer dose-limiting side effects in the LS174T human colorectal tumor xenograft model compared to the combination of free TNF-α and …
Quantification Of Benzo[A]Pyrene-Guanine Adducts In In Vitro And In Vivo Tissue Samples By Lc Tandem Mass Spectrometry, Po-Chang Chiang
Quantification Of Benzo[A]Pyrene-Guanine Adducts In In Vitro And In Vivo Tissue Samples By Lc Tandem Mass Spectrometry, Po-Chang Chiang
Dissertations
No abstract provided.
The Effects Of R-Flurbiprofen In Reducing Tumors In A Multiple Intestinal Neoplasia Mouse Model, David Douglas Quiggle
The Effects Of R-Flurbiprofen In Reducing Tumors In A Multiple Intestinal Neoplasia Mouse Model, David Douglas Quiggle
Theses Digitization Project
The design of the proposed study was to administer R-FB to 72-day old Min/+ mice for up to 42 days. In order to capture the process of tumor reduction, animals were necropsied at various time points. At each time point animals were evaluated for tumor loads and presence of apoptotic cells along the small intestine. Studies have shown that when R-flurbiprofen (R-FB) is administered in the Min/+ mouse model it can cause the prevention and regression on intestinal tumors.
Antioxidation Activity Of Dhea And Its Mechanisms, Sun Yang, Han Rui
Antioxidation Activity Of Dhea And Its Mechanisms, Sun Yang, Han Rui
Pharmacy Faculty Articles and Research
Objective: The aim of this study was to determine the anti-oxidative activity of a new chemopreventive agent--dehydroepiandrosterone (DHEA), and the mechanisms of action by which DHEA protect the thymocytes and DNA from oxidative damage. Methods: Agarose gel electrophoresis, flow cytometry, single cel! gel electrophoresis, chemiluminescence assay, triazolyl blue tetrazolumbromide (MTT) colorimetry, and three dimensional collagen gel assay were used. Results: In agarose gel electrophoresis, 10 nmol/L DHEA blocked the typical DNA degradation (DNA Ladder) induced by H2O2. DHEA 2. 5 nmol/L and 10 nmol/L both significantly decreased the percentage of characteristic apoptotic DNA …