WordNet

(biochemistry) interference in or inhibition of the physiological action of a chemical substance by another having a similar structure
the relation between opposing principles or forces or factors; "the inherent antagonism of capitalism and socialism"
an actively expressed feeling of dislike and hostility
the operating part that transmits power to a mechanism; "the piano had a very stiff action" (同)action_mechanism
an act by a government body or supranational organization; "recent federal action undermined the segregationist position"; "the United Nations must have the power to propose and organize action without being hobbled by irrelevant issues"; "the Union action of emancipating Southern slaves"
something done (usually as opposed to something said); "there were stories of murders and other unnatural actions"
the most important or interesting work or activity in a specific area or field; "the action is no longer in technology stocks but in municipal bonds"; "gawkers always try to get as close to the action as possible"
the trait of being active and energetic and forceful; "a man of action"
the series of events that form a plot; "his novels always have a lot of action"
the state of being active; "his sphere of activity"; "he is out of action" (同)activity, activeness
institute legal proceedings against; file a suit against; "He was warned that the district attorney would process him"; "She actioned the company for discrimination" (同)sue, litigate, process
incapable of harmonious association
characterized by antagonism or antipathy; "slaves antagonistic to their masters"; "antipathetic factions within the party" (同)antipathetic, antipathetical
indicating opposition or resistance (同)counter
used especially of drugs or muscles that counteract or neutralize each others effect (同)incompatible
arousing animosity or hostility; "his antagonistic brusqueness"; "Europe was antagonistic to the Unites States"
a drug that neutralizes or counteracts the effects of another drug
a muscle that relaxes while another contracts; "when bending the elbow the triceps are the antagonist"

PrepTutorEJDIC

(…に対する)敵意;〈U〉(…への)敵対,対立《+『for』(『toward, against』)+『名』》
〈U〉『行動』,活動;精力的な活動 / 〈C〉『行為』,行い;《複数形で》『日常の行動』,ふるまい / 〈U〉〈C〉(人間・馬などの)身ぶり,動作,所作 / 〈U〉(身体諸器官の)働き / 〈U〉(機械などの)『働き』,機能;(薬・化学薬品などの)『作用』 / 〈U〉〈C〉戦闘(battle) / 〈C〉(銃・ピアノなどの)アクション,作動装置 / 〈C〉訴訟 / 〈U〉(劇・物語の)本筋,筋の運び
敵対する,反目する;(…に)敵対している《+『to』+『名』》
対立する人,敵対者,競争相手(opponent)

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1. 心筋活動電位および抗不整脈剤の作用 myocardial action potential and action of antiarrhythmic drugs
2. プロゲステロン受容体モジュレーター（PRM）の薬理学および作用機序 pharmacology and mechanism of action of progesterone receptor modulators prms
3. 脳性麻痺の臨床的特徴 clinical features of cerebral palsy
4. 振戦の概要 overview of tremor
5. 2型糖尿病における血糖コントロールおよび血管合併症 glycemic control and vascular complications in type 2 diabetes mellitus

English Journal

Singlet oxygen autoxidation of vegetable oils: Evidences for lack of synergy between β-carotene and tocopherols.

Smyk B1.
Food chemistry.Food Chem.2015 Sep 1;182:209-16. doi: 10.1016/j.foodchem.2015.02.127. Epub 2015 Mar 5.
The synergy between β-carotene and tocopherols - antioxidants protecting oils from oxidation, was analyzed in a model system. The model used stripped borage and evening primrose oils. A chlorophyll extract, β-carotene and one of the tocopherols were added together or separately to the oils. Oil ox
PMID 25842329

Molecular docking study on platelet-activating factor antagonistic activity of bioactive compounds isolated from Guttiferae and Ardisia species.

Jasamai M1, Jalil J, Jantan I.
Natural product research.Nat Prod Res.2015 Jun;29(11):1055-8. doi: 10.1080/14786419.2014.971317. Epub 2014 Oct 21.
A handful of bioactive compounds from plants have been reported to possess platelet-activating factor (PAF) antagonist activity. However, their mode of action is not well understood. Selected bioactive compounds that exhibit PAF antagonist activity and synthetic PAF antagonists were subjected to doc
PMID 25332053

Multiple stressor effects in Chlamydomonas reinhardtii - Toward understanding mechanisms of interaction between effects of ultraviolet radiation and chemical pollutants.

Korkaric M1, Behra R2, Fischer BB2, Junghans M3, Eggen RI4.
Aquatic toxicology (Amsterdam, Netherlands).Aquat Toxicol.2015 May;162:18-28. doi: 10.1016/j.aquatox.2015.03.001. Epub 2015 Mar 5.
The effects of chemical pollutants and environmental stressors, such as ultraviolet radiation (UVR), can interact when organisms are simultaneously exposed, resulting in higher (synergistic) or lower (antagonistic) multiple stressor effects than expected based on the effects of single stressors. Cur
PMID 25768714

Japanese Journal

Ecdysone differentially regulates metamorphic timing relative to 20-hydroxyecdysone by antagonizing juvenile hormone in Drosophila melanogaster.

Ono Hajime
Developmental biology 391(1), 32-42, 2014-07-01
… The ability of JHA impeding the effect of E was not observed in the Methoprene-tolerant (Met) and germ-cell expressed (gce) double mutant animals lacking JH signaling, indicating that antagonistic action of JH against E is transduced via a primary JH receptor, Met, or a product of its homolog, Gce. … Furthermore, the precocious pupariation triggered by E is impeded by the action of JH to ensure that animals attain body size to survive metamorphosis. …
NAID 120005439529

Low-molecular weight fractions of Japanese soy sauce act as a RAGE antagonist via inhibition of RAGE trafficking to lipid rafts

Munesue Seiichi,Yamamoto Yasuhiko,Urushihara Ryouta,Inomata Kouhei,Saito Hidehito,Motoyoshi So,Watanabe Takuo,Yonekura Hideto,Yamamoto Hiroshi
Food and Function 4(12), 1835-1842, 2013-12
… In the present study, we assessed the agonistic/antagonistic effects of food-derived AGE on RAGE signaling in a reporter assay system and found that low-molecular weight AGE can antagonize the action of AGE-BSA. …
NAID 120005373515