• Adenosine diphosphate (ADP), also known as adenosine pyrophosphate (APP), is an important organic compound in metabolism and is essential to the flow of energy in living cells. (wikipedia.org)
  • ATP synthase uses the energy of protons to produce the energy storage molecule known as adenosine triphosphate (ATP) from adenosine diphosphate (ADP) and an inorganic phosphate (Pi). (nanowerk.com)
  • The Krebs cycle is part of the aerobic degradative process in eukaryotes known as cellular respiration, which is a process that generates adenosine triphosphate (ATP) by oxidizing energy-rich fuel molecules. (encyclopedia.com)
  • Phosphate diesters constitute the backbone of RNA and DNA-key molecules carrying the genetic information for the reproduction of all known living organisms-as well as the hydrophilic head of phospholipids, while monoesters of pyrophosphate (P 2 O 7 4− ) and triphosphate (P 3 O 10 5− ) play a critical role in cellular energy transfer as adenosine diphosphate (ADP) and triphosphate (ATP), respectively. (nature.com)
  • This pump is driven by the energy stored in ATP (Adenosine TriPhosphate) molecules manufactured in the mitochondria. (benbest.com)
  • The diphosphate group of ADP is attached to the 5' carbon of the sugar backbone, while the adenine attaches to the 1' carbon. (wikipedia.org)
  • Adenosine triphosphate (ATP, pictured) acts as the "fuel" in living cells that powers many energy-consuming processes. (chemistryviews.org)
  • Sunlight causes bacteriorhodopsin to pump protons out of the cell, which enables the cell to synthesize energy in the form of adenosine triphosphate. (nanowerk.com)
  • Whole blood is the preferred specimen (as opposed to plasma or serum), as 90% of vitamin B1 in whole blood is thiamine diphosphate (the biologically active form) and 80% of thiamine in whole blood is found in red blood cells. (medscape.com)
  • These findings define a previously unknown role for the adenosine triphosphate-dependent chromatin remodeling machinery (Mizuguchi, 2004). (sdbonline.org)
  • Adenosine tri-phosphate (ATP) is the energy source used by muscle cells to fuel muscle contraction. (tigerfitness.com)
  • To counteract constraints imposed by nucleosome structure, cells deploy two major classes of multiprotein enzymes, which covalently modify the nucleosome core histones or catalyze nucleosome mobility in an adenosine triphosphate (ATP)-dependent fashion. (sdbonline.org)
  • This study has found that Swr1, a Swi2/Snf2-related adenosine triphosphatase, is the catalytic core of a multisubunit, histone-variant exchanger that efficiently replaces conventional histone H2A with histone H2AZ in nucleosome arrays. (sdbonline.org)
  • Although the 'purinergic nerve hypothesis' proposed by Burnstock in the early 1970s was met with considerable skepticism, it is now accepted that certain neurons use a purine nucleotide or nucleoside such as ATP or adenosine as a neurotransmitter. (medscape.com)
  • 4. Nucleoside triphosphates inhibit ADP, collagen, and epinephrine-induced platelet aggregation: role of P2Y₁ and P2Y₁₂ receptors. (nih.gov)
  • The endogenous levels of the purine nucleoside, adenosine, increase significantly following cardiovascular events. (frontiersin.org)
  • The purine nucleoside adenosine was first identified in 1929 when Drury and Szent-Gyorgyi successfully extracted a rhythm-influencing adenylic substance from the mammalian heart and other tissues ( Drury and Szent-Gyorgyi, 1929 ). (frontiersin.org)
  • The discovery of Ochoa and coworkers (3, 4) that polyribonucleotides are formed from nucleoside diphosphates in a reaction catalyzed by an enzyme from Azotobacter vinelandii made it clear that ADP rather than ATP was the reactive component. (nih.gov)
  • Assay A: Incorporation of Labeled Nucleoside Diphosphate into Acid- Insoluble Precipitate-The incubation mixture (0.25 ml.) contained 0.05 ml. of glycylglycine buffer (1 m, pH 7.4), 0.02 ml. of ADP (0.04 m), 0.02 ml. of 8-C4-ADP (0.00227 m, 7.8 X 105 c.p.m. per umole), 0.01 ml. of 2 See Crawford, et al. (nih.gov)
  • 1. Differential effects of adenine nucleotide analogues on shape change and aggregation induced by adnosine 5-diphosphate (ADP) in human platelets. (nih.gov)
  • Additionally, TB supplementation mitigated the decrease of ileal adenosine triphosphate, adenosine diphosphate and total adenine nucleotide and the reduction of jejunal catalase activity induced by LPS. (animbiosci.org)
  • Adenosine 5′-diphosphate (ADP) is an adenine nucleotide involved in energy storage and nucleic acid metabolism via its conversion into ATP by ATP synthases. (sigmaaldrich.com)
  • Adenosine diphosphate (ADP), also known as adenosine pyrophosphate (APP), is an important organic compound in metabolism and is essential to the flow of energy in living cells. (wikipedia.org)
  • In this study, Szent-Gyorgyi and Isenberg used electron paramagnetic resonance techniques to examine the nature of charge-transfer in adenosine triphosphate (ATP) and adenosine diphosphate (ADP), and ask what it might say about ATP's role in cell metabolism. (nih.gov)
  • 17. Partial agonist behaviour of adenosine 5'-O-(2-thiodiphosphate) on human platelets. (nih.gov)
  • 19. Competitive inhibition by adenosine 5'-triphosphate of the actions on human platelets of 2-chloroadenosine 5'-diphosphate, 2-azidoadenosine 5'-diphosphate and 2-methylthioadenosine 5'-diphosphate. (nih.gov)
  • 20. Effects of RP and SP diastereoisomers of adenosine 5'-O-(1-thiodiphosphate) on human platelets. (nih.gov)
  • Cloning and sequencing studies have revealed four subtypes of adenosine receptors and eight subtypes of P2Y receptors, all of which are G-protein-coupled receptors. (medscape.com)
  • Cytoplasmic proteins targeted for turnover are covalently linked to the small protein ubiquitin , which then interacts with a large protein complex, the proteasome , to degrade the protein in an adenosine triphosphate (ATP)-dependent process. (basicmedicalkey.com)
  • Here, we provide a comprehensive and up-to-date critical review about the main therapeutic advantages of tuning adenosine signalling pathways in HFpEF, without discounting their side effects and how these can be seized. (frontiersin.org)
  • 14. Stable adenine nucleotides inhibit [3H]-noradrenaline release in rabbit brain cortex slices by direct action at presynaptic adenosine A1-receptors. (nih.gov)
  • Adenosine exerts cardioprotective, neuromodulatory, and immunosuppressive effects by activating plasma membrane-bound P1 receptors that are widely expressed in the cardiovascular system. (frontiersin.org)
  • Only in 1972, Geoff Burnstock (born: May 10, 1929, died: June 2, 2020) coined the term purinergic signalling referring to the extracellular effects of adenosine 5′-triphosphate (ATP). (frontiersin.org)
  • The diphosphate group of ADP is attached to the 5' carbon of the sugar backbone, while the adenine attaches to the 1' carbon. (wikipedia.org)
  • 5. Effects of suramin on contractions of the guinea-pig vas deferens induced by analogues of adenosine 5'-triphosphate. (nih.gov)
  • The structure of ATP has an ordered carbon chain as a backbone, but the part that is really critical is the phosphorous part - the triphosphate. (hpathy.com)