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  2. Additive effect - Wikipedia

    en.wikipedia.org/wiki/Additive_effect

    Drugs with the same target in different sites that produce additive effects are also considered as independent action. For example, doxorubicin and trabectedin can both produce anticancer effect. [16] Doxorubicin is a DNA intercalator that prefers to bind to AT regions, [17] while trabectedin forms guanine adduct in DNA to disrupt DNA repair ...

  3. Antibiotic synergy - Wikipedia

    en.wikipedia.org/wiki/Antibiotic_synergy

    A classic example of this effect is the interaction between β-lactams, which damage the bacteria cell membrane, and aminoglycosides, which inhibit protein synthesis. [1] The damage dealt to the cell wall by β-lactams allows more aminoglycoside molecules to be taken up into the cell than would otherwise be possible, enhancing cell damage. [ 1 ]

  4. Synergy - Wikipedia

    en.wikipedia.org/wiki/Synergy

    In the natural world, synergistic phenomena are ubiquitous, ranging from physics (for example, the different combinations of quarks that produce protons and neutrons) to chemistry (a popular example is water, a compound of hydrogen and oxygen), to the cooperative interactions among the genes in genomes, the division of labor in bacterial ...

  5. List of benzodiazepines - Wikipedia

    en.wikipedia.org/wiki/List_of_benzodiazepines

    Finally, note that the benzodiazepine core is a privileged scaffold, which has been used to derive drugs with diverse activity that is not limited to the GABA A modulatory action of the classical benzodiazepines, [60] such as devazepide and tifluadom, however these have not been included in the list below. 2,3-benzodiazepines such as tofisopam ...

  6. Pharmacodynamics - Wikipedia

    en.wikipedia.org/wiki/Pharmacodynamics

    Topics of pharmacodynamics. Pharmacodynamics (PD) is the study of the biochemical and physiologic effects of drugs (especially pharmaceutical drugs).The effects can include those manifested within animals (including humans), microorganisms, or combinations of organisms (for example, infection).

  7. Agonist-antagonist - Wikipedia

    en.wikipedia.org/wiki/Agonist-antagonist

    Agonist vs. antagonist. In pharmacology the term agonist-antagonist or mixed agonist/antagonist is used to refer to a drug which under some conditions behaves as an agonist (a substance that fully activates the receptor that it binds to) while under other conditions, behaves as an antagonist (a substance that binds to a receptor but does not activate and can block the activity of other agonists).

  8. Trimethoprim/sulfamethoxazole - Wikipedia

    en.wikipedia.org/wiki/Trimethoprim/sulfamethoxazole

    The effects of trimethoprim causes a backlog of dihydrofolate (DHF) and this backlog can work against the inhibitory effect the drug has on tetrahydrofolate biosynthesis. This is where the sulfamethoxazole comes in; its role is in depleting the excess DHF by preventing it from being synthesised in the first place. [14]

  9. Cross-tolerance - Wikipedia

    en.wikipedia.org/wiki/Cross-tolerance

    Cross-tolerance is a phenomenon that occurs when tolerance to the effects of a certain drug produces tolerance to another drug. It often happens between two drugs with similar functions or effects—for example, acting on the same cell receptor or affecting the transmission of certain neurotransmitters.