Search Results - "PHANSTIEL, Otto"
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An overview of polyamine metabolism in pancreatic ductal adenocarcinoma
Published in International journal of cancer (15-05-2018)“…Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest major cancers, with a five year survival rate of less than 8%. With current therapies only…”
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ATP13A3 facilitates polyamine transport in human pancreatic cancer cells
Published in Scientific reports (08-03-2022)“…The purpose of this study is to provide an increased understanding of the molecular mechanisms responsible for mammalian polyamine transport, a process that…”
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3
Synthesis and bioevaluation of substituted chalcones, coumaranones and other flavonoids as anti-HIV agents
Published in Bioorganic & medicinal chemistry (15-06-2016)“…[Display omitted] A series of chalcone, flavone, coumaranone and other flavonoid compounds were screened for their anti HIV-1 activity in two cell culture…”
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Antibiotic Adjuvants: Make Antibiotics Great Again
Published in Journal of medicinal chemistry (10-10-2019)“…Multiple approaches have been developed to combat bacterial resistance. However, the combination of antibiotic resistance mechanisms by bacteria and the…”
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Pancreatic Ductal Adenocarcinoma (PDAC) circulating tumor cells influence myeloid cell differentiation to support their survival and immunoresistance in portal vein circulation
Published in PloS one (22-03-2022)“…The portal venous circulation provides a conduit for pancreatic ductal adenocarcinoma (PDAC) tumor cells to the liver parenchyma sinusoids, a frequent site of…”
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Genetic portrait of polyamine transporters in barley: insights in the regulation of leaf senescence
Published in Frontiers in plant science (02-06-2023)“…Nitrogen (N) is one of the most expensive nutrients to supply, therefore, improving the efficiency of N use is essential to reduce the cost of commercial…”
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Motuporamine Derivatives as Antimicrobial Agents and Antibiotic Enhancers against Resistant Gram‐Negative Bacteria
Published in Chembiochem : a European journal of chemical biology (01-02-2017)“…Dihydromotuporamine C and its derivatives were evaluated for their in vitro antimicrobial activities and antibiotic enhancement properties against…”
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Differential Expression of Polyamine Pathways in Human Pancreatic Tumor Progression and Effects of Polyamine Blockade on Tumor Microenvironment
Published in Cancers (20-12-2021)“…Pancreatic cancer is the fourth leading cause of cancer death. Existing therapies only moderately improve pancreatic ductal adenocarcinoma (PDAC) patient…”
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DFMO Improves Survival and Increases Immune Cell Infiltration in Association with MYC Downregulation in the Pancreatic Tumor Microenvironment
Published in International journal of molecular sciences (07-12-2021)“…Pancreatic ductal adenocarcinoma (PDAC) has an extremely poor five-year survival rate of less than 10%. Immune suppression along with chemoresistance are…”
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Impact of Difluoromethylornithine and AMXT 1501 on Gene Expression and Capsule Regulation in Streptococcus pneumoniae
Published in Biomolecules (Basel, Switzerland) (02-02-2024)“…(Spn), a Gram-positive bacterium, poses a significant threat to human health, causing mild respiratory infections to severe invasive conditions. Despite the…”
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Difluoromethylornithine (DFMO) and AMXT 1501 inhibit capsule biosynthesis in pneumococci
Published in Scientific reports (12-07-2022)“…Polyamines are small cationic molecules that have been linked to various cellular processes including replication, translation, stress response and recently,…”
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The involvement of polyamine uptake and synthesis pathways in the proliferation of neonatal astrocytes
Published in Amino acids (01-08-2020)“…Polyamines (PAs), such as spermidine (SPD) and spermine (SPM), are essential to promote cell growth, survival, proliferation, and longevity. In the adult…”
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Caenorhabditis elegans P₅B-type ATPase CATP-5 operates in polyamine transport and is crucial for norspermidine-mediated suppression of RNA interference
Published in The FASEB journal (2010)“…Physiological polyamines are required in various biological processes. In the current study, we used norspermidine, a structural analog of the natural…”
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Investigation of Polyamine Metabolism and Homeostasis in Pancreatic Cancers
Published in Medical sciences (Basel) (07-12-2017)“…Pancreatic cancers are currently the fourth leading cause of cancer-related death and new therapies are desperately needed. The most common pancreatic cancer…”
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Loss of Anti-Tumor Efficacy by Polyamine Blocking Therapy in GCN2 Null Mice
Published in Biomedicines (01-10-2023)“…GCN2 is one of the main sensors of amino acid starvation stress, and its activation in the stressful tumor microenvironment plays a crucial role in tumor…”
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The Development of LAT1 Efflux Agonists as Mechanistic Probes of Cellular Amino Acid Stress
Published in Biomolecules (Basel, Switzerland) (01-03-2024)“…Amino acid restriction induces cellular stress and cells often respond via the induction of autophagy. Autophagy or 'self-eating' enables the recycling of…”
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Polyamine Blocking Therapy Decreases Survival of Tumor-Infiltrating Immunosuppressive Myeloid Cells and Enhances the Antitumor Efficacy of PD-1 Blockade
Published in Molecular cancer therapeutics (01-10-2020)“…Despite unprecedented advances in the treatment of cancer through the use of immune checkpoint blockade (ICB), responses are not universal and alternative…”
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Putrescine Importer PlaP Contributes to Swarming Motility and Urothelial Cell Invasion in Proteus mirabilis
Published in The Journal of biological chemistry (31-05-2013)“…Previously, we reported that the speA gene, encoding arginine decarboxylase, is required for swarming in the urinary tract pathogen Proteus mirabilis. In…”
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Elucidating the Role of Chmp1 Overexpression in the Transport of Polyamines in Drosophila melanogaster
Published in Medical sciences (Basel) (25-08-2022)“…Polyamines are small organic cations that are essential for many biological processes such as cell proliferation and cell cycle progression. While the…”
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Polyamine Transport Inhibitors: Design, Synthesis, and Combination Therapies with Difluoromethylornithine
Published in Journal of medicinal chemistry (23-01-2014)“…The development of polyamine transport inhibitors (PTIs), in combination with the polyamine biosynthesis inhibitor difluoromethylornithine (DFMO), provides a…”
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