Results 1 to 10 of about 67 (67)

Loss of Anti-Tumor Efficacy by Polyamine Blocking Therapy in GCN2 Null Mice

open access: yesBiomedicines, 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 survival and progression.
Eric T. Alexander   +3 more
doaj   +1 more source

α-Difluoromethylornithine-Induced Cytostasis is Reversed by Exogenous Polyamines, Not by Thymidine Supplementation

open access: yesBiomolecules, 2021
Polyamine spermidine is essential for the proliferation of eukaryotic cells. Administration of polyamine biosynthesis inhibitor α-difluoromethylornithine (DFMO) induces cytostasis that occurs in two phases; the early phase which can be reversed by ...
Mervi T. Hyvönen   +4 more
doaj   +1 more source

The First Insight Into the Supramolecular System of D,L-α-Difluoromethylornithine: A New Antiviral Perspective

open access: yesFrontiers in Chemistry, 2021
Targeting the polyamine biosynthetic pathway by inhibiting ornithine decarboxylase (ODC) is a powerful approach in the fight against diverse viruses, including SARS-CoV-2.
Joanna Bojarska   +8 more
doaj   +1 more source

DMSO-tolerant ornithine decarboxylase (ODC) tandem assay optimised for high-throughput screening

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2023
Ornithine decarboxylase (ODC), the first rate-limiting enzyme in polyamine synthesis, has emerged as a therapeutic target for cancer and Alzheimer’s disease (AD).
Mingu Gordon Park   +2 more
doaj   +1 more source

Regulatory role of l-proline in fetal pig growth and intestinal epithelial cell proliferation

open access: yesAnimal Nutrition, 2020
l-proline (Pro) is a precursor of ornithine, which is converted into polyamines via ornithine decarboxylase (ODC). Polyamines plays a key role in the proliferation of intestinal epithelial cells.
Jing Wang   +5 more
doaj   +1 more source

Recognition of Potential COVID-19 Drug Treatments through the Study of Existing Protein–Drug and Protein–Protein Structures: An Analysis of Kinetically Active Residues

open access: yesBiomolecules, 2020
We report the results of our in silico study of approved drugs as potential treatments for COVID-19. The study is based on the analysis of normal modes of proteins.
Ognjen Perišić
doaj   +1 more source

Difluoromethylornithine (DFMO) Enhances the Cytotoxicity of PARP Inhibition in Ovarian Cancer Cells

open access: yesMedical Sciences, 2022
Ovarian cancer accounts for 3% of the total cancers in women, yet it is the fifth leading cause of cancer deaths among women. The BRCA1/2 germline and somatic mutations confer a deficiency of the homologous recombination (HR) repair pathway.
Olivia El Naggar   +3 more
doaj   +1 more source

A Novel Polyamine-Targeted Therapy for BRAF Mutant Melanoma Tumors

open access: yesMedical Sciences, 2018
Mutant serine/threonine protein kinase B-Raf (BRAF) protein is expressed in over half of all melanoma tumors. Although BRAF inhibitors (BRAFi) elicit rapid anti-tumor responses in the majority of patients with mutant BRAF melanoma, the tumors inevitably ...
Molly C. Peters   +3 more
doaj   +1 more source

Polyamines are present in mast cell secretory granules and are important for granule homeostasis. [PDF]

open access: yesPLoS ONE, 2010
Mast cell secretory granules accommodate a large number of components, many of which interact with highly sulfated serglycin proteoglycan (PG) present within the granules.
Gianni García-Faroldi   +7 more
doaj   +1 more source

Two New Cases of Bachmann–Bupp Syndrome Identified through the International Center for Polyamine Disorders

open access: yesMedical Sciences, 2023
Recent identification of four additional polyaminopathies, including Bachmann–Bupp syndrome, have benefited from previous research on Snyder–Robinson syndrome in order to advance from research to treatment more quickly.
Julianne Michael   +13 more
doaj   +1 more source

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