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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Effects Of The Otx2ecr2 Enhancer & Prox1 Overexpression In Murine Retina Development, Erick J. Subillaga
Effects Of The Otx2ecr2 Enhancer & Prox1 Overexpression In Murine Retina Development, Erick J. Subillaga
Dissertations and Theses
There is a large subset of retinal progenitor cells that upregulate the OTX2 gene in the developing retina of the mouse. OTX2 is a homeobox transcription factor important for the development of photoreceptors and bipolar cells. If OTX2 is knocked out, photoreceptors and bipolar cells fail to differentiate. In order for OTX2 to be activated in certain retinal populations, it requires the activity of an enhancer called OTX2ECR2. Past studies demonstrated that retinal progenitor cells that had activity of OTX2ECR2 turned into horizontal cells, which require OTX2 for cell genesis and survival, and photoreceptors which require OTX2 for cell …
Mechanisms Of Microglia Mediated Apolipoprotien E Neurotoxicity, Pardeep Singh
Mechanisms Of Microglia Mediated Apolipoprotien E Neurotoxicity, Pardeep Singh
Dissertations and Theses
No abstract provided.
A Role For A Predicted E. Coli Inner Membrane Lipoprotein In Cell Envelope Integrity, Charlie Chung
A Role For A Predicted E. Coli Inner Membrane Lipoprotein In Cell Envelope Integrity, Charlie Chung
Dissertations and Theses
One of the distinct characteristics of Gram-negative bacteria such as Escherichia coli is the possession of a double-membraned cell envelope. The outer membrane provides an additional layer of protection against hydrophobic molecules including antibiotics, contributing to the multidrug resistance crisis. The Gram-negative membrane is composed of phospholipids, glycolipids, and proteins. A large portion of the bacterial cellular proteome is composed of membrane proteins. Despite this, the functions of several membrane proteins are as yet undefined. Therefore, defining the physiological roles of uncharacterized membrane proteins is expected to provide us with insights into the biology of the Gram-negative cell envelope and …
Collective Chemotaxis Of Retinal Neural Cells From Drosophila Melanogaster In Controlled Microenvironments, Stephanie Zhang
Collective Chemotaxis Of Retinal Neural Cells From Drosophila Melanogaster In Controlled Microenvironments, Stephanie Zhang
Dissertations and Theses
More than 172 million people are influenced by a retinal disorder that stems from either age-related or developmental causes. Of those, 1.5 million people endure a developmental retinal disorder. In the developing retina, neural cells undergo a series of highly complicated differentiation and migration process. A main cause of these diseases is abnormal collective migration of neural progenitors hindering the retinogenesis process. However, our grasp of collective migration and signaling molecules, critical to the developing retina, is incompletely understood. Understanding the molecular mechanisms, such as the fibroblast growth factor pathway, that regulate glial and neuronal migration provides decisive insights in …
Synthetic Functionalized Scaffolds For Culture And Maintenance Of Primary Human Hepatocytes, Douglas Macpherson
Synthetic Functionalized Scaffolds For Culture And Maintenance Of Primary Human Hepatocytes, Douglas Macpherson
Dissertations and Theses
There is deficit in the number of human livers that are available for transplantation. Additionally, there is no reliable model for the liver environment available for laboratory research. Tissue engineering provides alternatives for organ transplantation. We have created a supramolecular biomaterial out of simple peptide and saccharide building blocks to act as a hydrogel scaffold to support culture of liver cells. Using a self-‐assembling peptide fiber decorated with functional molecules, we were able to culture primary human hepatocytes demonstrate their viability and maintenance of phenotype. The hydrogel material was formed by co-assembly in aqueous buffer and characterized using transmission electron …