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Oxidative stress: Biomarkers and novel therapeutic pathways Maiese K; Chong ZZ; Hou J; Shang YCExp Gerontol 2010[Mar]; 45 (3): 217-34Oxidative stress significantly impacts multiple cellular pathways that can lead to the initiation and progression of varied disorders throughout the body. It therefore becomes imperative to elucidate the components and function of novel therapeutic strategies against oxidative stress to further clinical diagnosis and care. In particular, both the growth factor and cytokine erythropoietin (EPO) and members of the mammalian forkhead transcription factors of the O class (FoxOs) may offer the greatest promise for new treatment regimens since these agents and the cellular pathways they oversee cover a range of critical functions that directly influence progenitor cell development, cell survival and degeneration, metabolism, immune function, and cancer cell invasion. Furthermore, both EPO and FoxOs function not only as therapeutic targets, but also as biomarkers of disease onset and progression, since their cellular pathways are closely linked and overlap with several unique signal transduction pathways. However, biological outcome with EPO and FoxOs may sometimes be both unexpected and undesirable that can raise caution for these agents and warrant further investigations. Here we present the exciting as well as complicated role EPO and FoxOs possess to uncover the benefits as well as the risks of these agents for cell biology and clinical care in processes that range from stem cell development to uncontrolled cellular proliferation.|*Biomarkers[MESH]|*Oxidative Stress[MESH]|Animals[MESH]|Cell Proliferation[MESH]|Cell Survival[MESH]|Erythropoietin/chemistry/genetics/*physiology/therapeutic use[MESH]|Forkhead Box Protein O1[MESH]|Forkhead Box Protein O3[MESH]|Forkhead Transcription Factors/genetics/*physiology[MESH]|Humans[MESH]|Immune System/physiology[MESH]|Neoplasms/drug therapy[MESH]|Receptors, Erythropoietin/genetics[MESH]|Signal Transduction[MESH]|Stem Cells/physiology[MESH] |
