Results 1 to 10 of about 13,227,456 (68)

Synergistic Potential of Argentatins A and B to Improve 5-Fluorouracil Cytotoxicity in Colorectal Cancer Cell Models. [PDF]

open access: yesJ Cell Mol Med
ABSTRACTColorectal cancer is the third most commonly diagnosed cancer worldwide and the second most common cause of cancer‐related death in both men and women. Although a number of treatments are available to combat this malignancy, the antimetabolite 5‐fluorouracil has been the cornerstone of therapy since its synthesis in the 1950s.
Sánchez-Olivares P   +6 more
europepmc   +5 more sources

Argentatin B Inhibits Proliferation of Prostate and Colon Cancer Cells by Inducing Cell Senescence. [PDF]

open access: yesMolecules, 2015
Argentatin B has been shown to inhibit the growth of colon HCT-15, and prostate PC-3 cancer cells. However, the mechanism by which argentatin B inhibits cell proliferation is still unknown. We aimed to investigate the mechanism by which argentatin B inhibits cell proliferation. The cell cycle was studied by flow cytometry.
Alcántara-Flores E   +5 more
europepmc   +6 more sources

Microbiological and Chemical Transformations of Argentatin B

open access: yesZeitschrift für Naturforschung C, 2003
Argentatin B is a naturally occurring tetracyclic triterpene isolated from Parthenium argentatum x P. tomentosa. It was microbiologically transformed to 16, 24-epoxycycloartan-3α, 25- diol, (isoargentatin D), by Nocardia corallina var. taoka ATCC 31338, Mycobacterium species NRRL B3683 and Septomyxa affinis ATCC 6737. The later microbe also produced 16,
Roberto Martínez   +4 more
semanticscholar   +9 more sources

Argentatin Content in Guayule Leaves (Parthenium argentatum A. Gray). [PDF]

open access: yesPlants (Basel), 2023
Approximately one-third of the waste biomass from the cultivation of guayule (Parthenium argentatum A. Gray) for natural rubber production is leaf tissue; however, whether it can be valorized is not known.
García-Martínez MM   +6 more
europepmc   +2 more sources

Immunomodulatory activity of argentatins A and B isolated from guayule. [PDF]

open access: yesPLoS One
Argentatins are secondary metabolites synthesized by guayule (Parthenium argentatum A. Gray) with numerous potential medical applications. In addition to inhibiting insect growth, they are endowed with several pharmacological properties including antimicrobial and antitumorigenic activity. However, their potential as immunomodulators remains unexplored.
Silva-Nolasco AM   +5 more
europepmc   +5 more sources

Synthesis of Cycloartan‐16β‐ol from 16β 24R‐Epoxy‐Cycloartane and Their Cytotoxicity Evaluation Against Human Cancer Cell Lines

open access: yesChemistry &Biodiversity, Volume 21, Issue 5, May 2024.
It was found that Argentatins A and B triterpenoids make up approximately 20–30 % of the waste resin produced from the industrial processes to isolate rubber from P. argentatum.
Atzin Hernández-Flandes   +5 more
semanticscholar   +2 more sources

Two-dimensional altermagnets: Superconductivity in a minimal microscopic model [PDF]

open access: yesPhysical review B, 2023
We propose a minimal toy model for a two-dimensional altermagnet. The model unravels altermagnetic properties at a microscopic level. We find spin-split electron- and non-degenerate magnon bands with a $d$-wave symmetry.
B. Brekke, A. Brataas, A. Sudbø
semanticscholar   +1 more source

Evidence of off-shell Higgs boson production from ZZ leptonic decay channels and constraints on its total width with the ATLAS detector [PDF]

open access: yesPhysics Letters B, 2023
This Letter reports on a search for off-shell production of the Higgs boson using 139 $\textrm{fb}^{-1}$ of $pp$ collision data at $\sqrt{s}=$ 13 TeV collected by the ATLAS detector at the Large Hadron Collider.
G. Aad   +499 more
semanticscholar   +1 more source

Insect Growth Regulatory Activity of Some Extracts and Compounds from Parthenium argentatum on Fall Armyworm Spodoptera frugiperda

open access: yesZeitschrift für Naturforschung C - A Journal of Biosciences, 2001
Argentatins, Insect Growth Regulators, Acetylcholinesterase The methanolic extract from aerial parts of Parthenium argentatum, afforded argentatin A and B.
C. Cespedes   +4 more
semanticscholar   +1 more source

Therapeutic regulation of autophagy in hepatic metabolism

open access: yesActa Pharmaceutica Sinica B, 2021
Metabolic homeostasis requires dynamic catabolic and anabolic processes. Autophagy, an intracellular lysosomal degradative pathway, can rewire cellular metabolism linking catabolic to anabolic processes and thus sustain homeostasis.
Katherine Byrnes   +5 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy