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Articles 1 - 5 of 5
Full-Text Articles in Cell Biology
Chemoattractant Distribution In Complex Geometry Impacts The Trajectory Of Clustered Cell Migration, Naghmeh Akhavan
Chemoattractant Distribution In Complex Geometry Impacts The Trajectory Of Clustered Cell Migration, Naghmeh Akhavan
Biology and Medicine Through Mathematics Conference
No abstract provided.
Ros And Sfk Signaling Is Required For Development Of Hematopoietic Stem Cells In Zebrafish, Bradley Williams, Erich Damm
Ros And Sfk Signaling Is Required For Development Of Hematopoietic Stem Cells In Zebrafish, Bradley Williams, Erich Damm
Undergraduate Research Posters
ROS and SFK signaling is required for development of hematopoietic stem cells in zebrafish
Bradley Williams and Erich Damm
Background
Hematopoiesis is the process in which the myriad of mature blood cell types, including erythrocytes and leukocytes, develop from hematopoietic stem cells (HSCs) throughout the life of an organism. In vertebrates, HSCs originate from endothelial cells lining the floor of the dorsal aorta. This process is referred to as the endothelial to hematopoietic transition and is likely controlled in part by molecular signals from neighboring cells. Investigation into the molecular signaling mechanisms controlling the development of HSCs is critical to …
Tgif1 Physiological Levels Limit Β-Cell Distress And Neonatal Diabetes, Creighton J. Friend
Tgif1 Physiological Levels Limit Β-Cell Distress And Neonatal Diabetes, Creighton J. Friend
Theses and Dissertations
TGIF1 belongs to the superfamily of homeodomain proteins, which regulate a wide variety of biological functions, including cell stemness and specification of cell fate during early development. Perhaps surprisingly, we found that enforced expression in pancreatic progenitor cells during embryogenesis resulted in severe diabetes, hinting at the possibility that TGIF1 might regulate pancreas development. Subsequent genetic experiments targeting β-cells showed that TGIF1 affected β-cell function and homeostasis. Transcriptomic analysis revealed that TGIF1 expression inhibits the expression of essential components of UPR signaling, underscoring a potential mechanism in which TGIF1 disrupts protein folding and secretion. Congruently, TGIF1 expression led to a …
Cellular Glycosphingolipid Imbalance Modulates Emt In Cancer Cells, Laura E. Clark, Amanda Dickinson, Santiago Lima
Cellular Glycosphingolipid Imbalance Modulates Emt In Cancer Cells, Laura E. Clark, Amanda Dickinson, Santiago Lima
Undergraduate Research Posters
Sphingolipids are key components of the plasma membrane and are regulators of complex biological processes often altered in cancer cells. In human tumors, genes of key enzymes that regulate levels of glucosylceramide and lactosylceramide are often amplified. However, it is unknown why these traits are positively selected in transformed cells. In this work, we used CRISPR-Cas9 to knockout two key enzymes amplified in tumors in HeLa and H1703 tumor-derived cell-lines. As expected, the knockout lines had dramatic accumulation of GlcCer and LacCer. However, unexpectedly, they showed significantly decreased in-vitro wound-healing capacity and an almost complete loss of in-vitro extra-cellular matrix …
Proposing An Rna Interference (Rnai)-Based Treatment For Human Immunodeficiency Virus (Hiv) By Analyzing The Post-Transcriptional Gene Targeting Of Sars-Cov-2, Hepatitis C Virus, And A549 Lung Cancer Cells, Arjun Jagdeesh
Undergraduate Research Posters
Human Immunodeficiency Virus (HIV) is a retrovirus that infects CD4+ T cell lymphocytes in humans, leading to the development of Acquired Immunodeficiency Syndrome (AIDS) if left untreated. While current treatment methods, including antiretroviral combination treatments, effectively limit HIV replication, HIV can evade these treatments due to its high mutation rate. Long-term antiretroviral treatment can also be toxic to patients, meaning patients would benefit from a new mechanism of HIV treatment. RNA interference (RNAi) is an antiviral pathway found in mammals, plants, and insects that involves a small-interfering RNA that is incorporated into a protein complex called the RNA-induced Silencing Complex …