Results 71 to 80 of about 164,541 (160)

Curcumin mediates polyamine metabolism and sensitizes gastrointestinal cancer cells to antitumor polyamine-targeted therapies.

open access: yesPLoS ONE, 2018
Curcumin, a natural polyphenol that contributes to the flavor and yellow pigment of the spice turmeric, is known for its antioxidant, anti-inflammatory, and anticarcinogenic properties.
Tracy Murray-Stewart   +5 more
doaj   +1 more source

The Cancer Cell Metabolic Reprogramming Remodels the Tumor Microenvironment: Molecular Mechanisms and Therapeutic Strategies

open access: yesAdvanced Science, Volume 13, Issue 58, 19 October 2026.
This review elucidates how cancer cell metabolic reprogramming—across glucose, lipid, amino acid, and nucleotide pathways—remodels the tumor microenvironment to suppress anti‐tumor immunity and promote immune escape. Targeting these metabolic axes offers promising strategies to overcome immunotherapy resistance and enhance cancer treatment.
Guoqing Xiang   +5 more
wiley   +1 more source

Polyamine Oxidase and Diamine Oxidase Activities in Human Milk during the First Month of Lactation [PDF]

open access: yes, 2013
Objective: Human milk (HM) is the ideal food for all newborns and infants. Apart from various bioactive compounds, including cytokines, antibodies, hormones, vitamines, it also contains polyamines, such as spermine (Sp), spermidine (Spd) and putrescine ...
Pop-Trajkovic, Zoran   +6 more
core   +1 more source

Molecular evolution of the polyamine oxidase gene family in Metazoa

open access: yesBMC Evolutionary Biology, 2012
Background Polyamine oxidase enzymes catalyze the oxidation of polyamines and acetylpolyamines. Since polyamines are basic regulators of cell growth and proliferation, their homeostasis is crucial for cell life.
Polticelli Fabio   +4 more
doaj   +1 more source

Metal–Organic Frameworks for CO2 Conversion: From Simple Capture Materials to Multiple Function Platforms

open access: yesAggregate, Volume 7, Issue 10, October 2026.
This review summarizes recent advances in MOFs for CO2 valorization, covering MOF synthesis, CO2 capture, and photo/electrocatalytic CO2 reduction. Detailed discussion of typical strategies reveals the intrinsic structure–performance relationship, and challenges together with future perspectives are proposed.
Yingjia Li   +7 more
wiley   +1 more source

Polyamine Oxidase Activity in Serum of Cancer Patients and Healthy Subjects

open access: yes, 1988
Polyamine oxidase (PAO) activity was determined in the serum of cancer patients and healthy subjects. However, the data obtained showed that PAO activity was extremely low or undetectable in the serum of cancer patients and healthy subjects.
Marta Romano, Patrizia Bonelli
core   +1 more source

Polyamine metabolism and obesity: Polyamine metabolic enzymes involved in obesity [PDF]

open access: yes, 2018
The natural polyamines, putrescine, spermidine and spermine are distributed widely in all cells including adipocytes. They are involved in several physiological processes involving gene expression and cell proliferation.
Büyükuslu, Nihal   +1 more
core   +1 more source

Stimulation of antioxidative enzymes and polyamines during stripe rust disease of wheat

open access: yesBiologia Plantarum, 2010
Content of polyamines and activities of antioxidative enzymes in response to stripe rust disease caused by Puccinia striiformis have been studied in two wheat (Triticum aestivum L.) cultivars PBW 343 (resistant) and HD 2329 (susceptible).
B. Asthir   +3 more
doaj   +1 more source

Inhibition of pig liver and Zea mays L. Polyamine oxidase: a comparative study

open access: yes, 2001
Polyamine oxidase (PAO) is involved in polyamine metabolism and production of hydrogen peroxide in animal and plants, thus representing a key system in development and programmed cell death.
Rodolfo Federico   +13 more
core   +1 more source

Effect of Nitric Oxide Fumigation Combined with Hypobaric Treatment on the Postharvest Quality and Metabolism of Polyamines and Glutathione in Xiaobai Apricots [PDF]

open access: yesShipin Kexue
To investigate the regulatory effect of nitric oxide (NO) fumigation combined with hypobaric treatment (HYT) on the postharvest quality of Xiaobai apricots, ‘Luntai’ apricots were treated with exogenous NO under hypobaric conditions (HYT + NO).
LIU Yongli, ZHANG Yu, FENG Yudie, MA Lichun, ZHOU Shengchang, WEI Jia, WU Bin, YANG Yang
doaj   +1 more source

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