Results 61 to 70 of about 523,879 (387)

Antioxidant Activity in Vitro of Antarctic Krill Phospholipids and Its Anti-aging Effect on Caenorhabditis elegans [PDF]

open access: yesShipin Kexue
In order to explore the antioxidant and anti-aging effects and underlying mechanism of Antarctic krill phospholipids, the antioxidant capacity in vitro of krill phospholipids was evaluated by radical scavenging capacities against 1, 1-diphenyl-2 ...
JIAN Peiyi, FENG Mingxi, CHEN Rong, TANG Lei, ZHENG Jinluan, ZHAO Lichao
doaj   +1 more source

Metabolic labelling of cholesteryl glucosides in Helicobacter pylori reveals how the uptake of human lipids enhances bacterial virulence. [PDF]

open access: yes, 2016
Helicobacter pylori infects approximately half of the human population and is the main cause of various gastric diseases. This pathogen is auxotrophic for cholesterol, which it converts upon uptake to various cholesteryl α-glucoside derivatives ...
Chen, Yet-Ran   +11 more
core   +1 more source

Structural dynamics of the plant hormone receptor ETR1 in a native‐like membrane environment

open access: yesFEBS Letters, EarlyView.
The present study unveils the structural and signaling dynamics of ETR1, a key plant ethylene receptor. Using an optimized nanodisc system and solution NMR, we captured full‐length ETR1 in a native‐like membrane environment. Our findings reveal dynamic domain uncoupling and Cu(I)‐induced rigidification, providing the first evidence of metal‐triggered ...
Moritz Lemke   +2 more
wiley   +1 more source

Quantitative conversion of diether or tetraether phospholipids to glycerophosphoesters by dealkylation with boron trichloride: a tool for structural analysis of archaebacterial lipids.

open access: yesJournal of Lipid Research, 1988
A method for preparing glycerophosphoesters from ether phospholipids by dealkylation with boron trichloride (BCl3) is described. Treatment of ether phospholipids in chloroform with BCl3 for 30 min at room temperature yielded almost quantitatively the ...
M Nishihara, Y Koga
doaj   +1 more source

Phospholipid mediated activation of calcium dependent protein kinase 1 (CaCDPK1) from chickpea: a new paradigm of regulation. [PDF]

open access: yesPLoS ONE, 2012
Phospholipids, the major structural components of membranes, can also have functions in regulating signaling pathways in plants under biotic and abiotic stress.
Ajay Kumar Dixit, Chelliah Jayabaskaran
doaj   +1 more source

Lipidome Profiling of Phosphorus Deficiency-Tolerant Rice Cultivars Reveals Remodeling of Membrane Lipids as a Mechanism of Low P Tolerance

open access: yesPlants, 2023
Plants have evolved various mechanisms for low P tolerance, one of which is changing their membrane lipid composition by remodeling phospholipids with non-phospholipids.
Soichiro Honda   +11 more
doaj   +1 more source

Phospholipids and sports performance [PDF]

open access: yesJournal of the International Society of Sports Nutrition, 2007
Phospholipids are essential components of all biological membranes. Phosphatidylcholine (PC) and Phosphatidylserine (PS) are Phosphatidyl-phospholipids that are required for normal cellular structure and function. The participation in physical activity often challenges a variety of physiological systems; consequently, the ability to maintain normal ...
Jäger, Ralf.   +2 more
openaire   +5 more sources

Biophysicochemical interaction of a clinical pulmonary surfactant with nano-alumina

open access: yes, 2015
We report on the interaction of pulmonary surfactant composed of phospholipids and proteins with nanometric alumina (Al2O3) in the context of lung exposure and nanotoxicity.
Berret, J. -F.   +3 more
core   +3 more sources

Hormone deprivation alters mitochondrial function and lipid profile in the hippocampus [PDF]

open access: yes, 2017
Mitochondrial dysfunction is a common hallmark in aging. In the female, reproductive senescence is characterized by loss of ovarian hormones, many of whose neuroprotective effects converge upon mitochondria.
Alvarez, Silvia   +7 more
core   +2 more sources

Electrical pulse stimulation reflecting the episodic nature of real‐life exercise modulates metabolic and secretory profile of primary human myotubes

open access: yesFEBS Open Bio, EarlyView.
Here, we introduced an intermittent electrical stimulation protocol mimicking the episodic nature of real‐life exercise in vitro by alternating low‐ and high‐frequency stimulation. In comparison with widely used continuous stimulation, it enhanced the rate of glucose and fatty acid oxidation, but not the myokine release.
Klára Gabrišová   +11 more
wiley   +1 more source

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