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Articles 1 - 6 of 6
Full-Text Articles in Medical Molecular Biology
Effect Of S100b Deletion On Membrane Properties And Localization Of Ncald And Hpca, Natasha Hesketh
Effect Of S100b Deletion On Membrane Properties And Localization Of Ncald And Hpca, Natasha Hesketh
Graduate School of Biomedical Sciences Theses and Dissertations
Calcium signaling is particularly important for neuronal function. Neurons utilize a wide range of calcium-binding proteins. Dysregulation of such proteins is linked to neurodegeneration. Neurocalcin delta (NCALD), hippocalcin (HPCA), and S100B are calcium sensors that are expressed in the hippocampus, a brain region essential to memory and severely damaged in Alzheimer’s disease (AD). Despite the potential importance of these proteins, we do not fully understand the physiological significance of their relationship. Because NCALD and HPCA are known to interact with S100B, we hypothesized that the loss of S100B affects NCALD and HPCA localization, and therefore electrical properties, of hippocampal neurons. …
Thrombospondin-1 Plays An Essential Role In Yes-Associated Protein Nuclear Translocation During The Early Phase Of Trypanosoma Cruzi Infection In Heart Endothelial Cells, Ashutosh Arun, Kayla J. Rayford, Ayorinde Cooley, Girish Rachakonda, Fernando Villalta, Siddharth Pratap, Maria F. Lima, Nader Sheibani, Pius N. Nde
Thrombospondin-1 Plays An Essential Role In Yes-Associated Protein Nuclear Translocation During The Early Phase Of Trypanosoma Cruzi Infection In Heart Endothelial Cells, Ashutosh Arun, Kayla J. Rayford, Ayorinde Cooley, Girish Rachakonda, Fernando Villalta, Siddharth Pratap, Maria F. Lima, Nader Sheibani, Pius N. Nde
Publications and Research
The protozoan parasite Trypanosoma cruzi is the causative agent of Chagas disease. This neglected tropical disease causes severe morbidity and mortality in endemic regions. About 30% of T. cruzi infected individuals will present with cardiac complications. Invasive trypomastigotes released from infected cells can be carried in the vascular endothelial system to infect neighboring and distant cells. During the process of cellular infection, the parasite induces host cells, to increase the levels of host thrombospondin-1 (TSP-1), to facilitate the process of infection. TSP-1 plays important roles in the functioning of vascular cells, including vascular endothelial cells with important implications in cardiovascular …
Molecular Mechanisms Of Manganese Porphyrin Compounds In The Prevention Of Radiation-Induced Fibrosis, Shashank Shrishrimal
Molecular Mechanisms Of Manganese Porphyrin Compounds In The Prevention Of Radiation-Induced Fibrosis, Shashank Shrishrimal
Theses & Dissertations
Radiation therapy is frequently used as a treatment strategy for prostate cancer patients, which leads to several side effects due to damage to health tissue around the tumor and the development of radiation-induced fibrosis (RIF). Manganese (III) meso-tetrakis (N-ethylpyridinium-2-yl) porphyrin (MnTE-2-PyP or T2E or BMX-010) and other similar manganese porphyrin compounds that scavenge superoxide molecules have been demonstrated to be effective radioprotectors and prevent the development of RIF. However, understanding of the radioprotective molecular pathway associated with these compounds remains limited. Recent RNA-sequencing data from our laboratory revealed that MnTE-2-PyP treatment may activate the nuclear factor erythroid 2-related factor 2 …
Dysfunctional Mitochondrial Biogenesis: A Potential Underlying Cause For Metabolic Diseases, Caroline Ann Hunter
Dysfunctional Mitochondrial Biogenesis: A Potential Underlying Cause For Metabolic Diseases, Caroline Ann Hunter
Theses, Dissertations and Capstones
Mitochondria are essential organelles that play crucial roles in many aspects of cellular homeostasis. More importantly, the mitochondria are home to the majority of the metabolic pathways within the cell and are responsible for producing most of the cell’s useable energy in the form of adenine triphosphate (ATP) through oxidative phosphorylation (OXPHOS). In mammals, the majority of OXPHOS complex subunits are encoded by nuclear deoxyribonucleic acid (DNA); however, 13 core subunits essential for the function of OXPHOS complexes I, III, IV, and V are encoded in the mitochondrial (mt) DNA (mtDNA) and are synthesized within the mitochondria by its own …
Examining The Role Of Metabolic Pathways As Therapeutic Modalities For Triple Negative Breast Cancer, Jeremy Andrew Johnson
Examining The Role Of Metabolic Pathways As Therapeutic Modalities For Triple Negative Breast Cancer, Jeremy Andrew Johnson
Theses and Dissertations--Toxicology and Cancer Biology
Triple negative breast cancer (TNBC) comprises 15-20% of breast cancers, affects a younger patient population than other subtypes, and is very aggressive. TNBC is comprised of a diverse group of tumors that have proven refractory to targeted therapy and can be difficult to treat. Patients generally receive neoadjuvant chemotherapy (NAC), surgery, and radiotherapy. The standard of care for NAC includes a taxane, an anthracycline, and/or cyclophosphamide, and administration of NAC has resulted in pathological complete response (pCR) in 30-40% of patients. However, a majority of TNBC patients will not reach pCR and instead have residual disease (RD), which is associated …
First-Time Characterization Of Viable But Non-Culturable Proteus Mirabilis: Induction And Resuscitation, Reham Wasfi, G. R. Abdellatif, H. M. Elshishtawy, Hossam M. Ashour
First-Time Characterization Of Viable But Non-Culturable Proteus Mirabilis: Induction And Resuscitation, Reham Wasfi, G. R. Abdellatif, H. M. Elshishtawy, Hossam M. Ashour
USF St. Petersburg campus Faculty Publications
Pathogenic bacteria can enter into a viable but non-culturable (VBNC) state under unfavourable conditions. Proteus mirabilis is responsible for dire clinical consequences including septicaemia, urinary tract infections and pneumonia, but is not a species previously known to enter VBNC state. We suggested that stress-induced P. mirabilis can enter a VBNC state in which it retains virulence. P. mirabilis isolates were incubated in extreme osmotic pressure, starvation, low temperature and low pH to induce a VBNC state. Resuscitation was induced by temperature upshift and inoculation in tryptone soy broth with Tween 20 and brain heart infusion broth. Cellular ultrastructure and gene …