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Full-Text Articles in Cell and Developmental Biology
Nanosecond Pulsed Electric Field Induction Of Programmed Cell Death Is Cell Type Dependent: An In Vitro Study, Wei Ren
Theses and Dissertations in Biomedical Sciences
Nanosecond pulsed electric fields (nsPEFs) present a novel and effective method for cancer ablation by eradicating the ubiquitous cancer hallmark of apoptosis evasion and enforcing cancer programmed cell death. To develop nsPEFs as an anticancer method, a comprehensive understanding of cell death mechanisms is required. The overall objective of this dissertation is to elucidate molecular mechanisms underlying effects of nsPEFs on E4 murine squamous cell carcinoma and human T-cell Jurkat clones that are wildtype, deficient in FADD (ΔFADD) and deficient in caspase-8 (ACas-8). The overall hypothesis is that nsPEFs eliminate cancer cells through activating caspase-dependent and caspase-independent programmed cell death …
Altering Nitric Oxide Bioavailability And Lipid Profiles In Endothelial Cells By Polycyclic Aromatic Hydrocarbons In Particulate Matter, Liang Yu
Theses and Dissertations in Biomedical Sciences
Epidemiologic studies have demonstrated a significant association between exposure to particulate matter (PM) and atherosclerosis. Polycyclic aromatic hydrocarbons (PAHs) present in particulate matter, are well known to induce oxidative stress and lipid peroxidation via generation of reactive oxygen species (ROS). Lipid peroxidation involves regulating endothelial nitric oxide synthase via inhibition of its activity, and as a result, mediates dilation of coronary arterioles is involved with the pathogenesis of atherosclerosis. However, data on assessment of oxidized lipid formation is limited due to low resolution of mass spectrometer methods. Taking the advantage of a Fourier Transform Ion Cyclotron Resonance Mass Spectrometer (FT-ICR-MS) …