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Articles 31 - 37 of 37
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Pulmonary Surfactant Fortified With Cath-2 As A Novel Therapy For Bacterial Pneumonia, Brandon J. Baer
Pulmonary Surfactant Fortified With Cath-2 As A Novel Therapy For Bacterial Pneumonia, Brandon J. Baer
Western Research Forum
Background: Bacterial pneumonia is a leading cause of death worldwide, with high mortality rates persisting even after antibiotic treatment. Current treatments for pneumonia involve administration of antibiotics, however after the bacteria are killed they release toxic substances that induce inflammation and lung dysfunction. Host defense peptides represent a potential solution to this problem through their ability to down regulate inflammation. However, effective delivery to the lung is difficult because of the complex branching structure of the airways. My study addresses this delivery problem by using exogenous surfactant, a pulmonary delivery vehicle capable of improving spreading of these peptides throughout the …
The Effects Of Intrauterine Growth Restriction (Iugr) On The Pulmonary Surfactant And Lung Injury, Reza Khazaee
The Effects Of Intrauterine Growth Restriction (Iugr) On The Pulmonary Surfactant And Lung Injury, Reza Khazaee
Western Research Forum
The Effects of Intrauterine Growth Restriction (IUGR) on the Pulmonary Surfactant and Lung Injury
Khazaee R1, McCaig LA2, Hardy D1, Yamashita CM2, Veldhuizen, RAW2
Department of Physiology and Pharmacology1, Western University, London, ON, Canada. Lawson Health Research Institute2, London, ON, Canada
Background: Acute respiratory distress syndrome (ARDS) is defined as severe lung dysfunction that occurs after an insult to the lung such as an infection. The lung dysfunction in ARDS is due to alterations to surfactant, a lipid-protein mixture coats the inside of the lung and …
The Effects Of Acetylenic Tricyclic Bis-(Cyano Enone) On Cell Migration, Eddie Chan
The Effects Of Acetylenic Tricyclic Bis-(Cyano Enone) On Cell Migration, Eddie Chan
Electronic Thesis and Dissertation Repository
Although cancer survival rates have significantly improved over the past few decades, the improvements are primarily due to early diagnosis and inhibiting cancer growth. Limited progress has been made in the treatment of cancer metastasis, which contributes to 90% of cancer related deaths, and therapeutic agents targeting the various aspects of metastasis are lacking. One potential approach is to utilize small pharmacological compounds to inhibit tumour cell motility, as a strategy against tumour cell migration, invasion, and metastasis. The acetylenic tricyclic bis-(cyano enone), TBE-31, has been shown to be a promising chemopreventative compound. However, its effects on cell migration are …
Cytosolic Acetyl-Coa Promotes Histone H3 Lysine 27 Acetylation In Arabidopsis, Chen Chen
Cytosolic Acetyl-Coa Promotes Histone H3 Lysine 27 Acetylation In Arabidopsis, Chen Chen
Electronic Thesis and Dissertation Repository
Acetyl-coenzyme A (acetyl-CoA) serves as a central metabolite in energy metabolism and biosynthesis. High level of acetyl-CoA can fuel the tricarboxylic acid (TCA) cycle to generate energy and store excess energy in fatty acids. Meanwhile, it also provides acetyl groups for protein acetylation, which normally occurs at the lysine or arginine residues. Acetylation regulates protein functions largely due to the change of total charges. Acetylation of histones, for example, can lead to loss of the interaction between histone and DNA, thus relaxing chromatin structure and potentially promoting gene expression. However, whether and how acetyl-CoA regulates plant chromatin remains unexplored. Here, …
Quantitative Proteomic Characterization Of Cx-4945, A Clinical Stage Inhibitor Of Protein Kinase Ck2, Adam J. Rabalski
Quantitative Proteomic Characterization Of Cx-4945, A Clinical Stage Inhibitor Of Protein Kinase Ck2, Adam J. Rabalski
Electronic Thesis and Dissertation Repository
Protein phosphorylation is controlled by protein kinases, and represents a critical signaling mechanism involved in the regulation of fundamental biological processes. Furthermore, the aberrant regulation of kinase activity is implicated in diseases such as cancer and has resulted in efforts to target kinases therapeutically. Protein kinase CK2, although frequently considered constitutively active, has emerged as a clinical target on the basis of its altered expression in different types of human cancers and its regulatory participation in multiple biological processes. In fact, CX-4945, a small molecule ATP-competitive inhibitor of CK2 has advanced to clinical trial and has been widely used to …
First-Order Statistical Speckle Models Improve Robustness And Reproducibility Of Contrast-Enhanced Ultrasound Perfusion Estimates, Matthew R. Lowerison
First-Order Statistical Speckle Models Improve Robustness And Reproducibility Of Contrast-Enhanced Ultrasound Perfusion Estimates, Matthew R. Lowerison
Electronic Thesis and Dissertation Repository
Contrast-enhanced ultrasound (CEUS) permits the quantification and monitoring of adaptive tumor responses in the face of anti-angiogenic treatment, with the goal of informing targeted therapy. However, conventional CEUS image analysis relies on mean signal intensity as an estimate of tracer concentration in indicator-dilution modeling. This discounts additional information that may be available from the first-order speckle statistics in a CEUS image. Heterogeneous vascular networks, typical of tumor-induced angiogenesis, lead to heterogeneous contrast enhancement of the imaged tumor cross-section.
To address this, a linear (B-mode) processing approach was developed to quantify the change in the first-order speckle statistics of B-mode cine …
Dual-Active Genome-Editing Reagents, Jason M. Wolfs
Dual-Active Genome-Editing Reagents, Jason M. Wolfs
Electronic Thesis and Dissertation Repository
Manipulation of complex genomes has many beneficial downstream applications in agriculture and human gene therapy. Precise genome-editing requires the introduction of a specific DNA double-stand break at a locus of interest, in turn inducing host DNA repair pathways to cause gene knockout through non-homologous end-joining or gene repair using homologous recombination and donor template. No matter the application, the field has depended on a few reagents to introduce precise double-strand breaks in host genomes. LAGLIDADG homing endonucleases or meganucleases harness the natural properties of these rare-cutting enzymes to target precise sequences in a complex genome. Other successful reagents are derived …