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Articles 31 - 32 of 32
Full-Text Articles in Medical Cell Biology
Deregulation Of Micrornas By Hiv-1 Vpr Protein Leads To The Development Of Neurocognitive Disorders, Ruma Mukerjee, J Robert Chang, Luis Del Valle, Asen Bagashev, Monika M. Gayed, Randolph B. Lyde, Brian J. Hawkins, Eugen Brailoiu, Eric Cohen, Chris Power, S Ausim Azizi, Benjamin B. Gelman, Bassel E. Sawaya
Deregulation Of Micrornas By Hiv-1 Vpr Protein Leads To The Development Of Neurocognitive Disorders, Ruma Mukerjee, J Robert Chang, Luis Del Valle, Asen Bagashev, Monika M. Gayed, Randolph B. Lyde, Brian J. Hawkins, Eugen Brailoiu, Eric Cohen, Chris Power, S Ausim Azizi, Benjamin B. Gelman, Bassel E. Sawaya
School of Medicine Faculty Publications
Studies have shown that HIV-infected patients develop neurocognitive disorders characterized by neuronal dysfunction. The lack of productive infection of neurons by HIV suggests that viral and cellular proteins, with neurotoxic activities, released from HIV-1-infected target cells can cause this neuronal deregulation. The viral protein R (Vpr), a protein encoded by HIV-1, has been shown to alter the expression of various important cytokines and inflammatory proteins in infected and uninfected cells; however the mechanisms involved remain unclear. Using a human neuronal cell line, we found that Vpr can be taken up by neurons causing: (i) deregulation of calcium homeostasis, (ii) endoplasmic …
Ros Accumulation And Igf-Ir Inhibition Contribute To Fenofibrate/Pparalpha -Mediated Inhibition Of Glioma Cell Motility In Vitro, Justyna Drukala, Katarzyna Urbanska, Anna Wilk, Maja Grabacka, Ewa Wybieralska, Luis Del Valle, Zbigniew Madeja, Krzysztof Reiss
Ros Accumulation And Igf-Ir Inhibition Contribute To Fenofibrate/Pparalpha -Mediated Inhibition Of Glioma Cell Motility In Vitro, Justyna Drukala, Katarzyna Urbanska, Anna Wilk, Maja Grabacka, Ewa Wybieralska, Luis Del Valle, Zbigniew Madeja, Krzysztof Reiss
School of Medicine Faculty Publications
BACKGROUND: Glioblastomas are characterized by rapid cell growth, aggressive CNS infiltration, and are resistant to all known anticancer regimens. Recent studies indicate that fibrates and statins possess anticancer potential. Fenofibrate is a potent agonist of peroxisome proliferator activated receptor alpha (PPARalpha) that can switch energy metabolism from glycolysis to fatty acid beta-oxidation, and has low systemic toxicity. Fenofibrate also attenuates IGF-I-mediated cellular responses, which could be relevant in the process of glioblastoma cell dispersal. METHODS: The effects of fenofibrate on Glioma cell motility, IGF-I receptor (IGF-IR) signaling, PPARalpha activity, reactive oxygen species (ROS) metabolism, mitochondrial potential, and ATP production were …