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Articles 1 - 6 of 6
Full-Text Articles in Cancer Biology
Investigating The Role Of Splenic Macrophages In Pancreatic Cancer, Daisy V. Gonzalez
Investigating The Role Of Splenic Macrophages In Pancreatic Cancer, Daisy V. Gonzalez
Theses & Dissertations
Pancreatic cancer is currently the 3rd leading cause of all cancer-related deaths, with a 5-year survival rate remaining at 10%. The current standard treatment of care and a lack of effective diagnostic markers leaves patients with a dismal prognosis at advanced stages of the disease. This thesis research evaluated the effect of ApoE-expressing macrophages in the spleen. First, we aimed to assess the ApoE expression in the spleen of pancreatic tumor-bearing mice. Results showed that ApoE expression in splenic macrophages increased as the disease progressed. In addition, we saw a significant increase in marginal zone metallophilic macrophages and red pulp …
Mechanisms By Which Mnte-2-Pyp Suppresses Prostate Cancer Cell Growth, Yuxiang Zhu
Mechanisms By Which Mnte-2-Pyp Suppresses Prostate Cancer Cell Growth, Yuxiang Zhu
Theses & Dissertations
Prostate cancer patients are often treated with radiotherapy. MnTE-2-PyP, is a superoxide dismutase (SOD) mimic and a known radioprotector of normal tissues. Our recent work demonstrates that MnTE-2-PyP also inhibits prostate cancer progression with radiotherapy; however, the mechanisms remain unclear. In this thesis, we identified that MnTE-2-PyP-induced intracellular H2O2 levels are critical in inhibiting growth of prostate cancer cells. We found that MnTE-2-PyP induced protein oxidations in PC3 cells and one major group of oxidized protein targets were involved in energy metabolism. The oxidative phosphorylation rates were significantly enhanced in both PC3 and LNCaP cells with MnTE-2-PyP treatment, but mitochondrial …
Il-17-Cxcr2 Axis Promotes Breast Cancer Metastasis And Therapy Resistance, Lingyun Wu
Il-17-Cxcr2 Axis Promotes Breast Cancer Metastasis And Therapy Resistance, Lingyun Wu
Theses & Dissertations
Cancer-related fatalities rank as the second leading cause of death in all ages and both genders in the United States. Moreover, breast cancer-related mortality rank as the second leading cause of death in females in the United States in 2019. The main concerns regarding breast cancer management include chemotherapy resistance and metastasis. Thus, the advanced understanding of cancer progression is required to develop improved therapeutic methods for breast cancer patients.
Recent studies demonstrate that neutrophils, as the most abundant leukocytes, play an essential role in breast progression. However, the mechanisms regarding neutrophils recruitment to the tumor sites, and the precise …
The Cxcr2-Dependent Role Of Cancer-Associated Fibroblasts In Pancreatic Ductal Adenocarcinoma, Mohammad Awaji
The Cxcr2-Dependent Role Of Cancer-Associated Fibroblasts In Pancreatic Ductal Adenocarcinoma, Mohammad Awaji
Theses & Dissertations
Pancreatic ductal adenocarcinoma (PDAC) is the most common type of pancreatic cancer, the fourth leading cause of cancer-related deaths in the USA with over 40,000 deaths per year. Unlike other major cancer types, the progress in dealing with PDAC is plodding, attributed mainly to the asymptomatic nature of the disease, the late diagnosis and the ineffectiveness of current therapies. A better understanding of the biology of the disease could permit the discovery of novel diagnostic and therapeutic tools. With that in mind, we present this dissertation that investigates the tumor-stromal interaction underlined by genetic alterations and inflammation. PDAC develop as …
Role Of Cbl-Family Ubiquitin Ligases As Critical Negative Regulators Of T Cell Activation And Functions, Benjamin Goetz
Role Of Cbl-Family Ubiquitin Ligases As Critical Negative Regulators Of T Cell Activation And Functions, Benjamin Goetz
Theses & Dissertations
Adaptive T cell immunity is essential for defense against foreign antigens and immune surveillance against cancer. Tight regulation of T cell activation is required to avoid autoimmunity to self-antigens or protracted inflammation after foreign antigens are cleared. Incomplete or inappropriate stimulation leads to an active shutdown of T cell activation called anergy. The Casitas B-lineage Lymphoma (CBL)-family of ubiquitin ligases (E3s) are essential negative regulators of T cell activation that impinge on thymic selection as well as anergy induction programs. Single gene studies show that CBL is critical during T cell development while CBL-B plays an essential role in peripheral …
Defining The Role Of Interferon Regulatory Factor 4 In Chronic Lymphocytic Leukemia., Vipul Shukla
Defining The Role Of Interferon Regulatory Factor 4 In Chronic Lymphocytic Leukemia., Vipul Shukla
Theses & Dissertations
Chronic Lymphocytic Leukemia (CLL) represents the most common adult leukemia in the Western hemisphere. Despite considerable progress in our current understanding of CLL, this disease remains incurable and the molecular events underlying the complex pathogenesis of CLL are not fully elucidated. Interferon Regulatory Factor 4 (IRF4) belongs to the IRF superfamily of transcription factors that has been shown to play critical roles at multiple stages of B cell development. Interestingly, a Genome Wide Association Study identified Single Nucleotide Polymorphism (SNP) mediated IRF4 down regulation, as a major predisposing genetic event during the development of CLL. However, whether low levels of …