Results 11 to 20 of about 109,416 (316)

A Review of Platelet-Activating Factor As a Potential Contributor to Morbidity and Mortality Associated with Severe COVID-19

Clinical and Applied Thrombosis/Hemostasis, 2021
The precise mechanisms of pathology in severe COVID-19 remains elusive. Current evidence suggests that inflammatory mediators are responsible for the manifestation of clinical symptoms that precedes a fatal response to infection. This review examines the
Mark Klein MD, Vinh Dao PharmD, BCPS, Fatima Khan MD, MPH   +2 more
doaj   +1 more source

Platelet activating factor receptor antagonists improve the efficacy of experimental chemo- and radiotherapy

Clinics, 2018
Platelet activating factor is a lipid mediator of inflammation, and in recent decades, it has emerged as an important factor in tumor outcomes. Platelet activating factor acts by specific binding to its receptor, which is present in both tumor cells and ...
Ildefonso Alves da Silva Junior, Luciana Nogueira de Sousa Andrade, Sonia Jancar, Roger Chammas   +3 more
doaj   +1 more source

Effect of montelukast on platelet activating factor- and tachykinin induced mucus secretion in the rat

Journal of Occupational Medicine and Toxicology, 2008
Background Platelet activating factor and tachykinins (substance P, neurokinin A, neurokinin B) are important mediators contributing to increased airway secretion in the context of different types of respiratory diseases including acute and chronic ...
Groneberg David A, Staats Petra, Schmidt Rene, Wagner Ulrich   +3 more
doaj   +1 more source

To hydrolyze or not to hydrolyze: the dilemma of platelet-activating factor acetylhydrolase

Journal of Lipid Research, 2014
Mounting ambiguity persists around the functional role of the plasma form of platelet-activating factor acetylhydrolase (PAF-AH). Because PAF-AH hydrolyzes PAF and related oxidized phospholipids, it is widely accepted as an anti-inflammatory enzyme.
Gopal Kedihitlu Marathe, Chaitanya Pandit, Chikkamenahalli Lakshminarayana Lakshmikanth, Vyala Hanumanthareddy Chaithra, Shancy Petsel Jacob, Cletus Joseph Michael D'Souza   +5 more
doaj   +1 more source

Platelet-activating factor acetyl hydrolase IB2 dysregulated cell proliferation in ovarian cancer

Cancer Cell International, 2021
Background Ovarian cancer is the leading cause of death from gynaecologic illnessed worldwide. Platelet-activating factor acetyl hydrolase IB2 (PAF-AH IB2) is an intracellular serine esterase that hydrolyzes platelet-activating factor, a G-protein-like ...
YingYing He, Zhicheng He, Xiaoyu Zhang, Shubai Liu   +3 more
doaj   +1 more source

Plasma PAF-acetylhydrolase in patients with coronary artery disease: results of a cross-sectional analysis

Journal of Lipid Research, 2003
Inflammation underlies both onset and perpetuation of atherosclerosis. Plasma lipoproteins transport the platelet-activating factor-acetylhydrolase (PAF-AH) with potentially anti-inflammatory activities.
Stefan Blankenberg, Dominique Stengel, Hans J. Rupprecht, Christoph Bickel, Ju¨rgen Meyer, François Cambien, Laurence Tiret, Ewa Ninio   +7 more
doaj   +1 more source

Lipopolysaccharide induces nitric oxide synthase expression and platelet-activating factor increases nitric oxide production in human fetal membranes in culture

Reproductive Biology and Endocrinology, 2004
Background Platelet-activating factor and nitric oxide may be involved in the initiation of human labour as inflammatory mediators. The aim of this study was to test whether platelet-activating factor and lipopolysaccharide were able to induce nitric ...
Seyffarth Gunter, Nelson Paul N, Dunmore Simon J, Rodrigo Nalinda, Murphy Damian J, Carson Ray J   +5 more
doaj   +1 more source

Novel molecular analogues of phosphatidylcholines in a lipid extract from bovine brain: 1-long-chain acyl-2-short-chain acyl-sn-glycero-3-phosphocholines.

Journal of Lipid Research, 1989
A vasodepressor phospholipid fraction named Depressor-IA from a bovine brain lipid extract was analyzed by capillary gas-liquid chromatography-mass spectrometry as tert-butyldimethylsilyl derivatives after hydrolysis with phospholipase C.
A Tokumura, K Takauchi, T Asai, K Kamiyasu, T Ogawa, H Tsukatani   +5 more
doaj   +1 more source

Production of platelet-activating factor by washed rabbit platelets

Journal of Lipid Research, 1985
Production of platelet-activating factor by washed rabbit platelets under stimulation with the ionophore A23187 was investigated utilizing two groups of platelet preparations.
M Oda, K Satouchi, K Yasunaga, K Saito
doaj   +1 more source

Opposing Effects of Platelet-Activating Factor and Lyso-Platelet-Activating Factor on Neutrophil and Platelet Activation

Molecular Pharmacology, 2009
Platelet-activating factor (PAF) is a potent, bioactive phospholipid that acts on multiple cells and tissues through its G protein-coupled receptor (GPCR). PAF is not stored but is rapidly generated via enzymatic acetylation of the precursor 1-O-hexadecyl-2-hydroxy-sn-glycero-3-phosphocholine (lysoPAF). The bioactivity of PAF is effectively and tightly
Zhenyu Li, Chinnaswamy Tiruppathi, Emily J. Welch, Takao Shimizu, Papasani V. Subbaiah, Phoebe Lin, Xiaoping Du, Ram P. Naikawadi, Richard D. Ye, Satoshi Ishii   +9 more
openaire   +4 more sources