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Articles 31 - 33 of 33
Full-Text Articles in Cell Biology
Atm Signaling To Tsc2: Mechanisms And Implications For Cancer Therapy, Angela Alexander
Atm Signaling To Tsc2: Mechanisms And Implications For Cancer Therapy, Angela Alexander
Dissertations and Theses (Open Access)
Ataxia telangiectasia mutated (ATM) is a critical component of the cellular response to DNA damage, where it acts as a damage sensor, and signals to a large network of proteins which execute the important tasks involved in responding to the damage, namely inducing cell cycle checkpoints, inducing DNA repair, modulating transcriptional responses, and regulating cell death pathways if the damage cannot be repaired faithfully. We have now discovered that an additional novel component of this ATM-dependent damage response involves induction of autophagy in response to oxidative stress. In contrast to DNA damage-induced ATM activation however, oxidative stress induced ATM, occurs …
Molecular Mechanism Of Agc Kinases In Human Malignant, Shaokun Shu
Molecular Mechanism Of Agc Kinases In Human Malignant, Shaokun Shu
USF Tampa Graduate Theses and Dissertations
The maintenance of normal cell function and tissue homeostasis is dependent on the precise regulation of multiple signaling pathways that control cellular decisions to either proliferate, differentiate, arrest cell growth, or initiate programmed cell death (apoptosis). Cancer arises when clones of mutated cells escape this balance and proliferate inappropriately without compensatory apoptosis. Deregulated cell growth occurs as a result of perturbed signal transduction that modulates or alters cellular behavior or function to keep the critical balance between the rate of cell-cycle progression (cell division) and cell growth (cell mass) on one hand, and programmed cell death (apoptosis, autophagy) on the …
Induction And Regulation Of Autophagy By Novel Prenylation Inhibitors In Sts-26t Malignant Peripheral Nerve Sheath Tumor (Mpnst) Cells, Komal Madhukar Sane
Induction And Regulation Of Autophagy By Novel Prenylation Inhibitors In Sts-26t Malignant Peripheral Nerve Sheath Tumor (Mpnst) Cells, Komal Madhukar Sane
Wayne State University Dissertations
Prenylation pathways have been targeted via several different compounds that inhibit farnesyl transferase (FTase) and/or geranylgeranyl transferase (GGTase) enzymes in many cellular and animal models of cancer. Some of these have also been evaluated in clinical trials with limited success. Multiple mechanisms of action have been elucidated for such compounds, including cell cycle arrest, proteasome inhibition, apoptosis and most recently, autophagy. However, there is still an urgent need of effective agents of this class of anti-tumor therapeutics. In this dissertation, I sought to delve into this issue by characterizing our novel prenylation inhibitors and their potential as anti-tumor agents. Novel …