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Articles 91 - 92 of 92
Full-Text Articles in Medicine and Health Sciences
Doxorubicin-Induced, Tnf-Α-Mediated Brain Oxidative Stress, Neurochemical Alterations, And Cognitive Decline: Insights Into Mechanisms Of Chemotherapy Induced Cognitive Impairment And Its Prevention, Jeriel T. Keeney
Theses and Dissertations--Chemistry
The works presented in this dissertation provide insights into the mechanisms of chemotherapy-induced cognitive impairment (CICI or “ChemoBrain”) and take steps toward outlining a preventive strategy. CICI is now widely recognized as a complication of cancer chemotherapy experienced by a large percentage of cancer survivors. Approximately fifty percent of existing FDA-approved anti-cancer drugs generate reactive oxygen species (ROS). Doxorubicin (Dox), a prototypical ROS-generating chemotherapeutic agent, produces the reactive superoxide radical anion (O2-•) in vivo. Dox treatment results in oxidation of plasma proteins, including ApoA-I, leading to TNF-α-mediated oxidative stress in plasma and brain. TNF-α elevation in brain …
Redox-Regulated Relb-Ar Axis Mediates Prostate Specific Antigen Expression: Insight In Prostate Cancer Response To Radiation Therapy, Lu Miao
Theses and Dissertations--Toxicology and Cancer Biology
Although the prostate specific antigen (PSA) test is widely used in clinical settings for prostate cancer (PCa) diagnosis and post-treatment follow-up monitoring, false positive PSA test results, which contribute to over-diagnosis of PCa, and false negative results, which miss some patients with aggressive PCa, remain problems of clinical importance.
Our study demonstrates that radiation therapy, which is widely used for treatment of localized PCa, generates TNF-α in tumor cells and stromal fibroblasts, redox dependently. Interestingly, TNF-α rapidly and transiently triggers the RelA-mediated NF-κB canonical pathway, but its effect on RelB expression is more robust and long lasting, which leads to …