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- Retinoic acid (2)
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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Characterization Of A More Clinically Relevant Human Leukemia Xenograft Model To Examine Perturbation Of Met/Sam Metabolism As A Novel Therapeutic Paradigm For Mll-R Leukemia In Vivo., Aditya Barve
Electronic Theses and Dissertations
Acute myeloid leukemia (AML), is a heterogeneous clonal disorder characterized by an accumulation of malignant myeloid progenitors in the bone marrow (BM), hindering normal hematopoiesis. AML exhibits dramatic heterogeneity in terms of cytogenetics, morphology, and chemotherapeutic sensitivity. Therefore, the investigation of novel, efficacious AML therapeutics will require advanced preclinical in vivo model systems, capable of recapitulating patient specific disease heterogeneity, and induction chemotherapy outcomes. A major focus and eventual outcome of this work was the establishment and development of a more clinically relevant mouse xenograft model of patient AML, that efficiently harbors patient derived xenografts (PDXs), and unlike more prevalent …
Defects In Fetal Mouth Movement And Pharyngeal Patterning Underlie Cleft Palate Caused By Retinoid Deficiency., Regina Friedl
Defects In Fetal Mouth Movement And Pharyngeal Patterning Underlie Cleft Palate Caused By Retinoid Deficiency., Regina Friedl
Electronic Theses and Dissertations
Cleft palate is a common birth defect. Etiologic mechanisms of palate cleft include defects in palate morphogenesis, mandibular growth, or spontaneous fetal mouth movement. Cleft palate linked to deficient fetal mouth movement has been demonstrated directly only in a single experimental model of loss of neurotransmission. Here, using retinoid deficient mouse embryos, we demonstrate directly for the first time that deficient fetal mouth movement and cleft palate occurs as a result of mis-patterned development of pharyngeal peripheral nerves and cartilages. Retinoid deficient embryos were generated by inactivation of retinol dehydrogenase 10 (Rdh10), which is critical for production of …
Exploring The Role Of Ptn1 In Ustilago Maydis., Lalu Murali Krishna Vijayakrishna Pillai
Exploring The Role Of Ptn1 In Ustilago Maydis., Lalu Murali Krishna Vijayakrishna Pillai
Electronic Theses and Dissertations
Signal transduction is a key aspect of biological life. Cell signaling involves a series of biochemical and molecular steps that regulate the normal cellular functions, and any disruption at any of these steps is likely to have substantial impacts on cell physiology. The current study was aimed at the characterization of ptn1 of Ustilago maydis, a basidiomycete fungus. When the U. maydis, ptn1 gene was either deleted or overexpressed, it was found that the deletion of this gene lead to reduced virulence, spore production, and germination rate; effects of the overexpression were more subtle or not discernable. Previous studies …
The Role Of Ppal In The Moss Physcomitrella Patens., Noela M. Botaka
The Role Of Ppal In The Moss Physcomitrella Patens., Noela M. Botaka
College of Arts & Sciences Senior Honors Theses
Protein prenylation is a post-translational modification that involves the addition of lipid groups to the carboxy end of a target protein and is necessary for protein activity. Prenylation has important roles in the cell: targeting and localizing proteins to subcellular compartments and promoting protein-protein interactions. As a highly conserved process in eukaryotes, prenylation is especially important for plant development. In contrast to other eukaryotes, in which loss of prenylation components can be lethal, in the flowering plant Arabidopsis thaliana and the moss Physcomitrella patens, most are viable. Prior studies have shown that prenylation is involved in ABA hormone responses, …
Transcriptional Influence Of Retinoic Acid And Its Effects On Angiogenesis Of Murine Salivary Glands., Isaac Feinn
Transcriptional Influence Of Retinoic Acid And Its Effects On Angiogenesis Of Murine Salivary Glands., Isaac Feinn
College of Arts & Sciences Senior Honors Theses
Salivary gland hypofunction is a major disorder of salivary glands, and can arise either from diseases such as xerostomia, or from defective epithelial morphogenesis during embryogenesis. Hundreds of thousands of individuals suffer from dry mouth, and there is currently no restorative therapy for these patients. Investigation of salivary gland developmental biology will inform regenerative therapies. Currently it is known that retinoic acid (RA), the biologically active form of Vitamin A, is required for proper development of the salivary gland, but little is known about its cellular mechanism regulating organogenesis. This study sought to analyze salivary gland development in Rdh10 knock …
Paraoxonase 2 Is Critical For Non-Small Cell Lung Carcinoma Proliferation., Aaron Whitt
Paraoxonase 2 Is Critical For Non-Small Cell Lung Carcinoma Proliferation., Aaron Whitt
Electronic Theses and Dissertations
Non-small cell lung carcinoma (NSCLC) comprises 85% of lung cancer diagnoses and is plagued by drug resistance. Thus, elucidating the underlying mechanisms of NSCLC is paramount to expand future treatment options. Paraoxonase 2 (PON2), an intracellular enzyme with arylesterase and lactonase functions, has well-established anti-atherosclerotic activity. Recent studies show PON2 is overexpressed in a variety of tumors and confers drug resistance, although these interactions have not been thoroughly examined in NSCLC. Thus, we sought to investigate the role of PON2 in cellular proliferation using PON2-knockout mice, primary mouse cells, and NSCLC cell lines. Using these approaches, we demonstrate that PON2 …