purine


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Related to purine: uric acid, low purine diet

pu·rine

 (pyo͝or′ēn′)
n.
1. A double-ringed, crystalline organic base, C5H4N4, that is the parent compound of a large group of biologically important compounds.
2. Any of a group of substituted derivatives of purine, including the nitrogen bases adenine and guanine, which are components of nucleic acids. Uric acid, caffeine, theobromine, and theophylline are also purines.

[German Purin : blend of Latin pūrus, clean; see pure, and New Latin ūricus, uric (from Greek ouron, urine) + -in, -in, -ine.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

purine

(ˈpjʊəriːn) or

purin

n
1. (Elements & Compounds) a colourless crystalline solid that can be prepared from uric acid. Formula: C5H4N4
2. (Elements & Compounds) Also called: purine base any of a number of nitrogenous bases, such as guanine and adenine, that are derivatives of purine and constituents of nucleic acids and certain coenzymes
[C19: from German Purin; see pure, uric, -ine2]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pu•rine

(ˈpyʊər in, -ɪn)

n.
1. a white, crystalline compound, C5H4N4, from which is derived a group of compounds including uric acid, xanthine, and caffeine.
2. one of several purine derivatives, esp. the bases adenine and guanine, which are fundamental constituents of nucleic acids.
[1895–1900; < German Purin. See pure, uric, -ine2]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

pu·rine

(pyo͝or′ēn′)
Any of a group of organic compounds containing two rings of alternating carbon and nitrogen atoms. Purines include caffeine and uric acid, as well as the two bases adenine and guanine, which are components of DNA and RNA.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.purine - any of several bases that are derivatives of purine
alkali, base - any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia"
adenine, A - (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
guanine, G - a purine base found in DNA and RNA; pairs with cytosine
2.purine - a colorless crystalline organic base containing nitrogen; the parent compound of various biologically important substances
alkali, base - any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
purine

purine

n purina
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
All categories saw positive growth, the Kit Kat chocolate bar maker said, including Purine petCare, coffee and infant nutrition.
Drugs known as xanthine oxidase inhibitors (XOIs) block the activity of an enzyme involved in purine metabolism, thus reducing uric acid levels.
Sparkling reflective stacks of purine crystals in the nudibranch Flabellina iodinea.
Another surprise finding was an increase in levels of purine and pyrimidine, which scientists had not yet linked to fasting.These chemicals are a sign of increased protein synthesis and gene expression.
A cancer diagnosis kit using urine called "Purine Metabolite Assay Kit" by Cubebio Inc.
[USPRwire, Fri Sep 28 2018] Inosinic acid is a purine nucleotides which has one phosphate group esterified to the sugar moiety and hypoxanthine as the base.
AstraZeneca Plc (LON:AZ), a global, science-led biopharmaceutical company, and MedImmune, the company's global biologics research and development arm, announced on Friday the approval by the US Food and Drug Administration (FDA) of Lumoxiti (moxetumomab pasudotox-tdfk) for the treatment of adult patients with relapsed or refractory hairy cell leukaemia (HCL) who have received at least two prior systemic therapies, including treatment with a purine nucleoside analog.
Food and Drug Administration approved Lumoxiti, moxetumomab pasudotox, injection for intravenous use for the treatment of adult patients with relapsed or refractory hairy cell leukemia, HCL, who have received at least two prior systemic therapies, including treatment with a purine nucleoside analog.
"To help keep the uric acid production in check, it is often helpful to reduce the consumption of foods high in purine."
Specifically, nucleic acids or their constituent purine or pyrimidine bases act as internal microbial markers of microbial protein synthesis [2].