Academic literature on the topic 'Epigenetic regulator'

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Dissertations / Theses on the topic "Epigenetic regulator"

1

Gocevski, Goran. "Interplay of Mye and Max with Epigenetic Regulator Bmi1." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114264.

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The polycomb group protein Bmi1 is an epigenetic regulator essential for the proliferation of many types of cancers. By impeding the expression of the tumor suppressor p53, Bmi1 is able to prevent apoptosis and senescence. c-Myc, a prominent oncogene, cooperates with Bmi1 to stimulate cellular transformation and tumorigenesis. Further investigation of the basic biological interplay between Bmi1 and c-Myc is crucial for our understanding of their tumorigenic ability. In my project I demonstrated that c-Myc and Bmi1 directly interact with each other and form nuclear foci. Overexpression of Max,
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2

Almoflehi, Sakhar. "Cord Blood CD34+ Expansion Using Vitamin-C: An Epigenetic Regulator." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41413.

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Vitamin-C (Vit-C) has been shown to modulate hematopoietic stem cells and leukemia stem cell frequency in-vivo. Herein, Vit-C analogue, L-ascorbic acid 2-phosphate (AA2P), was investigated as a new potential HSC expansion agonist. Cord blood CD34+ cells were expanded in cultures with or without AA2P. AA2P induced a 2-fold increase in the expansion of stem and progenitor subsets including lymphoid-primed multi-potential progenitors (p<0.05, n=3) and functional colony forming progenitors. The functional properties of AA2P grafts was evaluated with a xenotransplant model. Superior platelet levels
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3

Lu, Yizhen. "Physical interation of parathyroid hormone-related protein with the epigenetic regulator Bmi1." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=96929.

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As a cause of malignancy-induced hypercalcemia, PTHrP (parathyroid hormone-related protein) plays an important role in cell growth and differentiation. This peptide is unique in that it not only acts through membrane receptors but also translocates directly to the nucleus. Studies have shown that the repression of target gene expression is achieved through chromatin modifications induced by the PcG complex. As a core protein of the PcG complex, Bmi1 functions as a transcriptional repressor for various genes involved in development and cell proliferation. Recent studies have indicated that the
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4

Lubitz, Sandra. "Analysis of an epigenetic regulator in mouse embryonic stem cell self-renewal and differentiation." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1139479284063-94996.

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Mammals have two orthologs, Mll and Trx2, for the Drososphila protein Trithorax (TRX), which is the founding member of the trithorax group (TrxG) of epigenetic regulators. TrxG proteins are characterized by an evolutionary conserved SET domain. A major function of all SET domain- containing proteins is to modulate gene activity, but the underlying mechanisms are poorly understood. Apparently TRX, Mll and Trx2 are histone H3 lysine 4 specific methyltransferases. So far all evidence points to roles in expression of specific target genes. However, target genes and function of the epigenetic regul
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5

Lubitz, Sandra. "Analysis of an epigenetic regulator in mouse embryonic stem cell self-renewal and differentiation." Doctoral thesis, Technische Universität Dresden, 2005. https://tud.qucosa.de/id/qucosa%3A24639.

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Mammals have two orthologs, Mll and Trx2, for the Drososphila protein Trithorax (TRX), which is the founding member of the trithorax group (TrxG) of epigenetic regulators. TrxG proteins are characterized by an evolutionary conserved SET domain. A major function of all SET domain- containing proteins is to modulate gene activity, but the underlying mechanisms are poorly understood. Apparently TRX, Mll and Trx2 are histone H3 lysine 4 specific methyltransferases. So far all evidence points to roles in expression of specific target genes. However, target genes and function of the epigenetic regul
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6

Grinat, Johanna. "The epigenetic regulator Mll1 is required for Wnt-driven intestinal tumorigenesis and cancer stemness." Doctoral thesis, Humboldt-Universität zu Berlin, 2020. http://dx.doi.org/10.18452/22192.

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Genetisch bedingte Veränderungen im Wnt-Signalweg sind in der Tumorigenese des Darms von zentraler Bedeutung. Mutationen des Wnt-Effektormoleküls β-Catenin in den adulten Stammzellen des Darmepithels führen zu unkontrollierter Proliferation und Expansion der Darmstammzellen und initiieren die Tumorentstehung. Auch in fortgeschrittenen Darmtumoren unterstützt die Wnt-Signalgebung maßgeblich das Tumorwachstum und den Erhalt von Tumorstammzellen. Nach erfolgreicher chemotherapeutischer Behandlung treten oftmals Tumorrezidive auf, für deren Entstehung therapieresistente Tumorstammzellen verantwort
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7

Punnia-Moorthy, Gayathiri. "Defining the functional roles of X-linked epigenetic regulator lysine demethylase 6A (KDM6A) in Melanoma." Thesis, The University of Sydney, 2022. https://hdl.handle.net/2123/28897.

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Melanoma is an aggressive form of skin cancer and Australia has one of highest incidences of melanoma in the world. Current treatments for metastatic melanoma are plagued by the resistance melanomas develop against immunotherapies and targeted therapies. Lysine demethylases (KDMs) are epigenetic enzymes that remove methyl groups from the amino acid lysine (K) on histone proteins, which effects gene expression. One of these KDMs is KDM6A (an X-linked gene also known as UTX) that removes methyl groups from histone 3, lysine number 27 (H3K27me3) inducing activation of gene expression. KDM6A has b
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8

Grinat, Johanna [Verfasser]. "The epigenetic regulator Mll1 is required for Wnt-driven intestinal tumorigenesis and cancer stemness / Johanna Grinat." Berlin : Humboldt-Universität zu Berlin, 2020. http://d-nb.info/1223452255/34.

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9

Trippel, Franziska Katharina [Verfasser], and Roland [Akademischer Betreuer] Kappler. "The role of NFE2L2 mutations and the epigenetic regulator UHRF1 in hepatoblastoma / Franziska Katharina Trippel. Betreuer: Roland Kappler." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2016. http://d-nb.info/1096162644/34.

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10

Elangovan, Venkateswaran Ramamoorthi, Sara M. Camp, Gabriel T. Kelly, et al. "Endotoxin- and Mechanical Stress–Induced Epigenetic Changes in the Regulation of the Nicotinamide Phosphoribosyltransferase Promoter." UNIV CHICAGO PRESS, 2016. http://hdl.handle.net/10150/622492.

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Mechanical ventilation, a lifesaving intervention for patients with acute respiratory distress syndrome (ARDS), also unfortunately contributes to excessive mechanical stress and impaired lung physiological and structural integrity. We have elsewhere established the pivotal role of increased nicotinamide phosphoribosyltransferase (NAMPT) transcription and secretion as well as its direct binding to the toll-like receptor 4 (TLR4) in the progression of this devastating syndrome; however, regulation of this critical gene in ventilator-induced lung injury (VILI) is not well characterized. On the ba
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