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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Mnrr1: Understanding The Role Of A Novel Mitochondrial-Nuclear Regulator, Stephanie L. Gladyck
Mnrr1: Understanding The Role Of A Novel Mitochondrial-Nuclear Regulator, Stephanie L. Gladyck
Wayne State University Dissertations
Mitochondria are complex organelles that generate most of the energy required to sustain life and function in metabolic and signaling pathways required to maintain cellular homeostasis. MNRR1 (mitochondrial nuclear retrograde regulator 1 or CHCHD2) is a small, bi-organellar twin CX9C protein that is emerging as an important regulator of mitochondrial function, apoptosis, and cellular stress by participating in mitochondrial-nuclear crosstalk. Our lab has previously shown that in the mitochondria, MNRR1 regulates complex IV (Cytochrome c oxidase or COX) and is able to finetune the oxidase function through phosphorylation status. We have also shown that during stress, mitochondrial MNRR1 levels deplete, …
Perturbation Of Energy Metabolism At The Center Of The Mechanism Of Action Of Valproate, Michael Ghassan Salsaa
Perturbation Of Energy Metabolism At The Center Of The Mechanism Of Action Of Valproate, Michael Ghassan Salsaa
Wayne State University Dissertations
Bipolar disorder (BD) is a common and debilitating psychiatric disorder. Valproic acid (VPA) is one of the major drugs used to treat BD patients. However, it is not universally effective and, in addition, causes severe side effects. Its mechanism of action is not known, which complicates efforts to develop more effective drugs. Studies have established that VPA perturbs metabolism, which is implicated in both the therapeutic mechanism of action of the drug as well as drug toxicity. However, the mechanism whereby VPA causes these perturbations is not understood. To address this knowledge gap, I investigated the acute and chronic effects …