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return kwic search for system out of >500 occurrences
331253 occurrences (No.58 in the rank) during 5 years in the PubMed. [cache]

302) Among the 439 metabolites reported in those studies as able to discriminate AP- and PP-rich diets, 46 were considered to provide a robust level of evidence, according to a scoring system, especially amino acids (AAs) and AA-related products.

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PMID:34229350 DOI:10.1093/advances/nmab073

2021 Advances in nutrition (Bethesda, Md.)

* A Scoping Review: Metabolomics Signatures Associated with Animal and Plant Protein Intake and Their Potential Relation with Cardiometabolic Risk.

- The dietary shift from animal protein (AP) to plant protein (PP) sources is encouraged for both environmental and health reasons. For instance, PPs are associated with lower cardiovascular and diabetes risks compared with APs, although the underlying mechanisms mostly remain unknown. Metabolomics is a valuable tool for globally and mechanistically characterizing the impact of AP and PP intake, given its unique ability to provide integrated signatures and specific biomarkers of metabolic effects through a comprehensive snapshot of metabolic status. This scoping review is aimed at gathering and analyzing the available metabolomics data associated with PP- and AP-rich diets, and discusses the metabolic effects underlying these metabolomics signatures and their potential implication for cardiometabolic health. We selected 24 human studies comparing the urine, plasma, or serum metabolomes associated with diets with contrasted AP and PP intakes. Among the 439 metabolites reported in those studies as able to discriminate AP- and PP-rich diets, 46 were considered to provide a robust level of evidence, according to a scoring system, especially amino acids (AAs) and AA-related products. Branched-chain amino acids, aromatic amino acids (AAAs), glutamate, short-chain acylcarnitines, and trimethylamine-N-oxide, which are known to be related to an increased cardiometabolic risk, were associated with AP-rich diets, whereas glycine (rather related to a reduced risk) was associated with PP-rich diets. Tricarboxylic acid (TCA) cycle intermediates and products from gut microbiota AAA degradation were also often reported, but the direction of their associations differed across studies. Overall, AP- and PP-rich diets result in different metabolomics signatures, with several metabolites being plausible candidates to explain some of their differential associations with cardiometabolic risk. Additional studies specifically focusing on protein type, with rigorous intake control, are needed to better characterize the associated metabolic phenotypes and understand how they could mediate differential AP and PP effects on cardiometabolic risk.

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[frequency of next (right) word to system]

(1)71 null	(13)6 the	(25)3 incorporating	(37)2 being
(2)44 and	(14)6 which	(26)3 level	(38)2 but
(3)17 is	(15)5 has	(27)3 may	(39)2 devices
(4)17 to	(16)4 by	(28)3 using	(40)2 especially
(5)12 for	(17)4 should	(29)3 we	(41)2 genes
(6)12 in	(18)4 were	(30)2 (CNS),	(42)2 identified
(7)12 of	(19)4 with	(31)2 (ECS)	(43)2 including
(8)7 are	(20)3 as	(32)2 (GIS)	(44)2 it
(9)7 that	(21)3 barriers	(33)2 (SNS)	(45)2 levels
(10)7 was	(22)3 can	(34)2 Online	(46)2 remains
(11)6 (CNS)	(23)3 could	(35)2 acts	(47)2 seems
(12)6 group	(24)3 factors	(36)2 becomes	(48)2 throughout

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--- WordNet output for system --- =>制度組織体系的方式, システム, 組織, 整然とした手順, (思想などの)体系, 体制 Overview of noun system The noun system has 9 senses (first 8 from tagged texts) 1. (43) system -- (instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer") 2. (23) system, scheme -- (a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going") 3. (14) system -- ((physical chemistry) a sample of matter in which substances in different phases are in equilibrium; "in a static system oil cannot be replaced by water on a surface"; "a system generating hydrogen peroxide") 4. (10) system, system of rules -- (a complex of methods or rules governing behavior; "they have to operate under a system they oppose"; "that language has a complex system for indicating gender") 5. (8) arrangement, organization, organisation, system -- (an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification") 6. (7) system -- (a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion") 7. (6) system -- (a procedure or process for obtaining an objective; "they had to devise a system that did not depend on cooperation") 8. (1) system -- (the living body considered as made up of interdependent components forming a unified whole; "exercise helped him get the alcohol out of his system") 9. organization, organisation, system -- (an ordered manner; orderliness by virtue of being methodical and well organized; "his compulsive organization was not an endearing quality"; "we can't do it unless we establish some system around here") --- WordNet end ---