Search Results - "John O Trent"
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G‐Quadruplex Secondary Structure Obtained from Circular Dichroism Spectroscopy
Published in Angewandte Chemie International Edition (11-06-2018)“…A curated library of circular dichroism spectra of 23 G‐quadruplexes of known structure was built and analyzed. The goal of this study was to use this…”
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Folding and Unfolding Pathways of the Human Telomeric G-Quadruplex
Published in Journal of molecular biology (17-04-2014)“…Sequence analogs of human telomeric DNA such as d[AGGG(TTAGGG)3] (Tel22) fold into monomeric quadruplex structures in the presence of a suitable cation. To…”
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The hTERT core promoter forms three parallel G-quadruplexes
Published in Nucleic acids research (04-06-2020)“…The structure of the 68 nt sequence with G-quadruplex forming potential within the hTERT promoter is disputed. One model features a structure with three…”
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Long promoter sequences form higher-order G-quadruplexes: an integrative structural biology study of c-Myc, k-Ras and c-Kit promoter sequences
Published in Nucleic acids research (22-04-2022)“…Abstract We report on higher-order G-quadruplex structures adopted by long promoter sequences obtained by an iterative integrated structural biology approach…”
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Hydration Is a Major Determinant of the G-Quadruplex Stability and Conformation of the Human Telomere 3′ Sequence of d(AG3(TTAG3)3)
Published in Journal of the American Chemical Society (08-12-2010)“…The factors that determine the conformation and stability of G-quadruplex forming sequences remain poorly understood. Here we demonstrate the influence of…”
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Structure of a 28.5 kDa duplex-embedded G-quadruplex system resolved to 7.4 Å resolution with cryo-EM
Published in Nucleic acids research (28-02-2023)“…Genomic regions with high guanine content can fold into non-B form DNA four-stranded structures known as G-quadruplexes (G4s). Extensive in vivo investigations…”
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Targeting 6-phosphofructo-2-kinase (PFKFB3) as a therapeutic strategy against cancer
Published in Molecular cancer therapeutics (01-08-2013)“…In human cancers, loss of PTEN, stabilization of hypoxia inducible factor-1α, and activation of Ras and AKT converge to increase the activity of a key…”
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Drug discovery of small molecules targeting the higher-order hTERT promoter G-quadruplex
Published in PloS one (16-06-2022)“…DNA G-quadruplexes (G4s) are now widely accepted as viable targets in the pursuit of anticancer therapeutics. To date, few small molecules have been identified…”
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Discovery and development of the G-rich oligonucleotide AS1411 as a novel treatment for cancer
Published in Experimental and molecular pathology (01-06-2009)“…Certain guanine-rich (G-rich) DNA and RNA molecules can associate intermolecularly or intramolecularly to form four stranded or “quadruplex” structures, which…”
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Structure and Stability of Higher-Order Human Telomeric Quadruplexes
Published in Journal of the American Chemical Society (28-12-2011)“…G-quadruplex formation in the sequences 5′-(TTAGGG) n and 5′(TTAGGG) n TT (n = 4, 8, 12) was studied using circular dichroism, sedimentation velocity,…”
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Small-molecule inhibition of 6-phosphofructo-2-kinase activity suppresses glycolytic flux and tumor growth
Published in Molecular cancer therapeutics (01-01-2008)“…6-Phosphofructo-1-kinase, a rate-limiting enzyme of glycolysis, is activated in neoplastic cells by fructose-2,6-bisphosphate (Fru-2,6-BP), a product of four…”
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12
POT1 stability and binding measured by fluorescence thermal shift assays
Published in PloS one (30-03-2021)“…The protein POT1 (Protection of Telomeres 1) is an integral part of the shelterin complex that protects the ends of human chromosomes from degradation or end…”
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Activation of the Proapoptotic Bcl-2 Protein Bax by a Small Molecule Induces Tumor Cell Apoptosis
Published in Molecular and cellular biology (01-04-2014)“…The proapoptotic Bcl-2 protein Bax by itself is sufficient to initiate apoptosis in almost all apoptotic paradigms. Thus, compounds that can facilitate…”
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Targeting the Nuclear Import Receptor Kpnβ1 as an Anticancer Therapeutic
Published in Molecular cancer therapeutics (01-04-2016)“…Karyopherin beta 1 (Kpnβ1) is a nuclear transport receptor that imports cargoes into the nucleus. Recently, elevated Kpnβ1 expression was found in certain…”
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Resolution and characterization of the structural polymorphism of a single quadruplex-forming sequence
Published in Nucleic acids research (01-08-2010)“…The remarkable structural polymorphism of quadruplex-forming sequences has been a considerable impediment in the elucidation of quadruplex folds. Sequence…”
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16
Identification of a Heme Activation Site on the MD-2/TLR4 Complex
Published in Frontiers in immunology (30-06-2020)“…Myeloid differentiation factor-2 (MD-2) binds lipopolysaccharide (LPS) and initiates toll-like receptor-4 (TLR4) pro-inflammatory signaling. Heme also…”
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An improved model for the hTERT promoter quadruplex
Published in PloS one (19-12-2014)“…Mutations occur at four specific sites in the hTERT promoter in >75% of glioblastomas and melanomas, but the mechanism by which the mutations affect gene…”
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IKK2 inhibition using TPCA-1-loaded PLGA microparticles attenuates laser-induced choroidal neovascularization and macrophage recruitment
Published in PloS one (24-03-2015)“…The inhibition of NF-κB by genetic deletion or pharmacological inhibition of IKK2 significantly reduces laser-induced choroid neovascularization (CNV). To…”
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A Novel, Macrophage Migration Inhibitory Factor Suicide Substrate Inhibits Motility and Growth of Lung Cancer Cells
Published in Cancer research (Chicago, Ill.) (15-09-2008)“…Although chemokine and growth factor receptors are attractive and popular targets for cancer therapeutic intervention, structure-based targeting of the ligands…”
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The Golgi-Associated Protein p115 Mediates the Secretion of Macrophage Migration Inhibitory Factor
Published in The Journal of immunology (1950) (01-06-2009)“…Macrophage migration inhibitory factor (MIF) is a leaderless protein that is secreted from cells by a specialized, nonclassical export pathway. The release of…”
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