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- 14:10, 16 March 2023 Nikolas talk contribs uploaded File:Mechanisms of biotransformation.png
- 14:07, 16 March 2023 Nikolas talk contribs created page 7. Distribution of drugs (Created page with "== Summary == * Certain drugs are bound to proteins in the plasma, mostly albumin * Drugs that have extensive plasma protein binding have: ** Delayed onset of effect ** Longer duration * Volume of distribution (Vd) illustrates where in the body the drug is distributed (i.e. only in plasma, in plasma and interstitium, plasma + interstitium + intracellular or inside tissues) ** The higher the Vd value for the drug, the more fluid spaces the drug distributes itself into **...") Tag: Visual edit
- 14:07, 16 March 2023 Nikolas talk contribs created page File:Volume of distribution per drug.png
- 14:07, 16 March 2023 Nikolas talk contribs uploaded File:Volume of distribution per drug.png
- 14:03, 16 March 2023 Nikolas talk contribs created page 6. Absorption of drugs (Created page with "== Summary == * The following factors influence <abbr>GI</abbr> tract absorption: GI motility, gastric emptying, luminal pH, the presence of food together with the drug * Drugs which are weak acids (aspirin) are absorbed in the stomach * Drugs which are weak bases (amphetamine) are absorbed in small intestine * Absorption of lipophilic drugs increases with a fat-rich meal * Hydrophilic drugs must be absorbed with fascilitated diffusion * Calcium intake impairs absorptio...") Tag: Visual edit
- 14:02, 16 March 2023 Nikolas talk contribs created page File:First pass metabolism red and blue.png
- 14:02, 16 March 2023 Nikolas talk contribs uploaded File:First pass metabolism red and blue.png
- 14:00, 16 March 2023 Nikolas talk contribs created page File:First pass metabolism figure 1.png
- 14:00, 16 March 2023 Nikolas talk contribs uploaded File:First pass metabolism figure 1.png
- 13:57, 16 March 2023 Nikolas talk contribs created page 5. Transport of drugs across membranes (Created page with "Drugs are transported across membranes all the time. They can either diffuse freely across the lipid matrix or they can be carried across the membrane by specific transporters. Let’s look at them. ''Very few drugs travel across membranes by aquaporins and endocytosis, but they’re not that important and I’ll ignore them.'' ''You don’t need to know any of the drug examples here for pharmacology 1, however you should know some for the final exam. You probably don...") Tag: Visual edit
- 13:56, 16 March 2023 Nikolas talk contribs created page 4. Mechanisms of drug antagonisms (Created page with "== Summary == * Competitive antagonism is when the antagonist binds to the same binding site on the receptor as the agonist or endogenous ligand. This binding can be reversible or irreversible. * Allosteric antagonism is when the antagonist binds to an allosteric binding site on the receptor, decreasing the effect of the agonist * Antagonism by inhibiton of signal transduction is when the antagonist inhibits the signal transduction pathway of the agonist * Functional an...") Tag: Visual edit
- 13:56, 16 March 2023 Nikolas talk contribs created page File:Margin of safety figure.png
- 13:56, 16 March 2023 Nikolas talk contribs uploaded File:Margin of safety figure.png
- 13:54, 16 March 2023 Nikolas talk contribs created page File:Irreversible competitive antagonist drug-occupancy curves with antagonist.png
- 13:54, 16 March 2023 Nikolas talk contribs uploaded File:Irreversible competitive antagonist drug-occupancy curves with antagonist.png
- 13:53, 16 March 2023 Nikolas talk contribs created page File:Irreversible competitive antagonist drug-response curves.png
- 13:53, 16 March 2023 Nikolas talk contribs uploaded File:Irreversible competitive antagonist drug-response curves.png
- 13:52, 16 March 2023 Nikolas talk contribs created page File:PA2 equation.png
- 13:52, 16 March 2023 Nikolas talk contribs uploaded File:PA2 equation.png
- 13:51, 16 March 2023 Nikolas talk contribs created page File:Schild equation.png
- 13:51, 16 March 2023 Nikolas talk contribs uploaded File:Schild equation.png
- 13:51, 16 March 2023 Nikolas talk contribs created page File:Competitive antagonist drug-response curves.png
- 13:51, 16 March 2023 Nikolas talk contribs uploaded File:Competitive antagonist drug-response curves.png
- 21:27, 14 March 2023 Nikolas talk contribs created page Bipolar disorder (Created page with "Bipolar disorder is a common psychiatric disorder characterised by the presence of manic or hypomanic episodes, with or without depressive episodes as well. It's a chronic disorder in which the patient experiences periods of remission with occasional above-mentioned episodes. One distinguishes two major types of bipolar disorder, bipolar I disorder and bipolar II disorder. Bipolar I is the most severe, characterised by episodes of mania, while bipolar II disorder is les...") Tag: Visual edit
- 15:26, 10 March 2023 Nikolas talk contribs created page 3. Significance of signal transduction mechanisms in the effects of drugs. Tachyphylaxis and tolerance to drugs (Created page with "We already went through the basic mechanisms of drug action in topic 3. Here we will discuss their signal mechanisms. The topic is mostly repetition of biochemistry 1 and 2. == Receptor types == === Ionotropic receptor === thumb|324x324px|Structure of ionotropic receptors Ionotropic receptors, more commonly known as ''ligand-gated ion-channels'', are ion channels that are opened when a ligand binds to it. This type of receptor...") Tag: Visual edit
- 15:25, 10 March 2023 Nikolas talk contribs created page File:Smooth muscle contraction signal transduction.png
- 15:25, 10 March 2023 Nikolas talk contribs uploaded File:Smooth muscle contraction signal transduction.png
- 15:25, 10 March 2023 Nikolas talk contribs created page File:Cardiac muscle contraction signal transduction.png
- 15:25, 10 March 2023 Nikolas talk contribs uploaded File:Cardiac muscle contraction signal transduction.png
- 15:24, 10 March 2023 Nikolas talk contribs created page File:Function of adenylyl cyclase.png
- 15:24, 10 March 2023 Nikolas talk contribs uploaded File:Function of adenylyl cyclase.png
- 15:23, 10 March 2023 Nikolas talk contribs created page File:Ionotropic receptor structue.png
- 15:23, 10 March 2023 Nikolas talk contribs uploaded File:Ionotropic receptor structue.png
- 15:22, 10 March 2023 Nikolas talk contribs created page 2. Characterisation of agonist-receptor interaction. Occupancy, affinity, dose-response curve, potency, efficacy (Created page with "A quick summary: * Occupancy shows the fraction of the total number of receptors in the tissue that is occupied by the drug. It’s determined by the constant ''p.'' * A drug’s affinity to its receptor is determined by the constant Kd. When Kd is low is the affinity high. A high affinity is always good and has no drawbacks. * Efficacy is a measure of how “effective” the drug is. It measures how large of a cellular response the drug can induce in the tissue, which...") Tag: Visual edit
- 15:21, 10 March 2023 Nikolas talk contribs created page File:Occupancy-response plot.png
- 15:21, 10 March 2023 Nikolas talk contribs uploaded File:Occupancy-response plot.png
- 15:21, 10 March 2023 Nikolas talk contribs created page File:Concentration-response curve.png
- 15:21, 10 March 2023 Nikolas talk contribs uploaded File:Concentration-response curve.png
- 15:20, 10 March 2023 Nikolas talk contribs created page File:Drug-response curve.png
- 15:20, 10 March 2023 Nikolas talk contribs uploaded File:Drug-response curve.png
- 15:19, 10 March 2023 Nikolas talk contribs created page File:Hill-Langmuir equation plot.png
- 15:19, 10 March 2023 Nikolas talk contribs uploaded File:Hill-Langmuir equation plot.png
- 15:18, 10 March 2023 Nikolas talk contribs created page File:Hill-Langmuir equation.png
- 15:18, 10 March 2023 Nikolas talk contribs uploaded File:Hill-Langmuir equation.png
- 15:18, 10 March 2023 Nikolas talk contribs created page File:Agonist-receptor interaction 2.png
- 15:18, 10 March 2023 Nikolas talk contribs uploaded File:Agonist-receptor interaction 2.png
- 15:17, 10 March 2023 Nikolas talk contribs created page File:Agonist-receptor interaction.png
- 15:17, 10 March 2023 Nikolas talk contribs uploaded File:Agonist-receptor interaction.png
- 15:15, 10 March 2023 Nikolas talk contribs created page 1. Basic mechanisms of drug actions (examples of drug effects on receptors, ion channels, enzymes, carrier systems and effects mediated by physicochemical interactions) (Created page with "This topic covers the ways that drugs can affect the body. Most drugs bind to endogenous macromolecules in the body, like receptors, ion channels, enzymes, carrier molecules, structural proteins or DNA. Certain other mechanisms also exist. Let’s go into detail. == Drugs that bind to receptors == File:Agonist and antagonist drug action.png|thumb|319x319px|This figure shows how agonists and antagonists work. Agonists activate the receptor when they bind to the recepto...") Tag: Visual edit
- 15:15, 10 March 2023 Nikolas talk contribs created page File:Agonist and antagonist drug action.png