A change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a reactive oxygen species stimulus. Reactive oxygen species include singlet oxygen, superoxide, and oxygen free radicals [goid 302] [pmid 11743999] [evidence NAS]; Any process that stops, prevents, or reduces the rate or extent of endothelial cell proliferation [goid 1937] [pmid 9685360] [evidence IDA]; The chemical reactions and pathways involving triacylglycerol, any triester of glycerol. The three fatty acid residues may all be the same or differ in any permutation. Triacylglycerols are important components of plant oils, animal fats and animal plasma lipoproteins [goid 6641] [pmid 9649566] [evidence IDA]; The chemical reactions and pathways involving triacylglycerol, any triester of glycerol. The three fatty acid residues may all be the same or differ in any permutation. Triacylglycerols are important components of plant oils, animal fats and animal plasma lipoproteins [goid 6641] [pmid 3771793] [evidence IMP]; The chemical reactions and pathways resulting in the breakdown of cholesterol, cholest-5-en-3 beta-ol, the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones [goid 6707] [evidence IEA]; The directed movement of lipids into, out of, within or between cells. Lipids are compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent [goid 6869] [evidence IEA]; The regulation of the levels, transport, and metabolism of calcium ions within a cell or between a cell and its external environment [goid 6874] [evidence IEA]; A process which directly inhibits any of the steps required for cell death by apoptosis [goid 6916] [pmid 9685360] [evidence IDA]; A process that directly activates any of the steps required for cell death by apoptosis [goid 6917] [pmid 12753088] [evidence IDA]; A process that is carried out at the cellular level which results in the formation, arrangement of constituent parts, or disassembly of cytoskeletal structures [goid 7010] [pmid 9622609] [evidence TAS]; The series of molecular signals generated as a consequence of a G-protein coupled receptor binding to its physiological ligand [goid 7186] [pmid 16443932] [evidence IDA]; A series of molecular signals mediated by the detection of nitric oxide (NO) [goid 7263] [pmid 8995232] [evidence IDA]; The process of communication from a neuron to another neuron across a synapse using the neurotransmitter acetylcholine [goid 7271] [pmid 9622609] [evidence TAS]; Any process that decreases the rate or frequency of platelet activation. Platelet activation is a series of progressive, overlapping events triggered by exposure of the platelets to subendothelial tissue [goid 10544] [pmid 8995232] [evidence IDA]; A series of molecular signals in which a cell uses cyclic GMP to convert an extracellular signal into a response [goid 19934] [pmid 8995232] [evidence IDA]; Any process that modulates the rate, direction or extent of axon extension [goid 30516] [pmid 9622609] [evidence TAS]; Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of cGMP [goid 30828] [pmid 8995232] [evidence IDA]; A series of molecular signals within the cell that are mediated by the Cdc42 protein switching to a GTP-bound active state [goid 32488] [pmid 16443932] [evidence IDA]; Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the breakdown of low-density lipoprotein receptors [goid 32805] [pmid 15950758] [evidence IDA]; The directed movement of cholesterol, cholest-5-en-3-beta-ol, out of a cell or organelle [goid 33344] [evidence IEA]; The directed movement of a phospholipid out of a cell or organelle [goid 33700] [pmid 11162594] [evidence IDA]; The process by which a chylomicron remnant is removed from the blood via receptor-mediated endocytosis into liver cells and its constituent parts degraded [goid 34382] [pmid 7175379] [evidence IMP]; The process by which a very-low-density lipoprotein particle is removed from the blood via receptor-mediated endocytosis and its constituent parts degraded [goid 34447] [pmid 9649566] [evidence IMP]; The chemical reactions and pathways resulting in the formation of any conjugated, water-soluble protein in which the nonprotein moiety consists of a lipid or lipids [goid 42158] [evidence IEA]; An increase in the internal diameter of blood vessels, especially arterioles or capillaries, usually resulting in a decrease in blood pressure [goid 42311] [evidence IEA]; Any process involved in the maintenance of an internal equilibrium of cholesterol within an organism or cell [goid 42632] [evidence IEA]; Any process that stops, prevents or reduces the frequency, rate or extent of MAP kinase activity [goid 43407] [pmid 9685360] [evidence IDA]; Any process that stops, prevents or reduces the frequency, rate or extent of the migration of the endothelial cells of blood vessels [goid 43537] [pmid 9685360] [evidence IDA]; The directed movement of periperal cell cholesterol, cholest-5-en-3-beta-ol, towards the liver for catabolism [goid 43691] [pmid 8127890] [evidence IDA]; The directed movement of substances within a cell [goid 46907] [pmid 9622609] [evidence TAS]; A process that modulates neuronal synaptic plasticity, the ability of neuronal synapses to change as circumstances require. They may alter function, such as increasing or decreasing their sensitivity, or they may increase or decrease in actual numbers [goid 48168] [pmid 9622609] [evidence TAS]; Any process that stops, prevents or reduces the frequency, rate or extent of the inflammatory response [goid 50728] [pmid 8995232] [evidence IC ]; Any process that activates or increases the activity of the enzyme nitric-oxide synthase [goid 51000] [pmid 8995232] [evidence IDA]; Any process that activates or increases the frequency, rate or extent of membrane protein ectodomain peptidolysis [goid 51044] [pmid 15950758] [evidence IDA]