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Topic: Monoamine oxidase inhibitor


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  monoamine oxidase inhibitor - Psychology of monoamine oxidase inhibitor | Encyclopedia.com: Dictionary Of Psychology
monoamine oxidase inhibitor - Psychology of monoamine oxidase inhibitor
Any of a group of antidepressant drugs that inhibit the action of the intracellular enzyme monoamine oxidase in neurons of the central nervous system, thereby slowing the metabolism of neurotransmitters such as adrenalin (epinephrine), noradrenalin (norepinephrine), and dopamine and allowing their concentrations to increase at the synapses (1).
Monoamine oxidase inhibitors (MAOIs) are the granddaddy of antidepressants, she...
www.encyclopedia.com /doc/1O87-monoamineoxidaseinhibitor.html   (1190 words)

  
  Monoamine oxidase - Biocrawler   (Site not responding. Last check: )
Monoamine oxidases (singular abbreviation MAO) (EC 1.4.3.4 (http://www.expasy.org/cgi-bin/nicezyme.pl?1.4.3.4)) are enzymes that catalyze the oxidation of monoamines.
Monoamine oxidases catalyze the oxidative deamination of monoamines.
Monoamine oxidase inhibitors are one of the major classes of drug prescribed for the treatment of depression.
www.biocrawler.com /encyclopedia/MAO   (381 words)

  
 MAO Inhibitor - MSN Encarta
Monoamine oxidase inhibitors (MAOIs) are a class of powerful antidepressant drugs prescribed for the treatment of depression.
Properly known as monoamine oxidase (MAO) inhibitors, these drugs work by inhibiting or preventing the enzyme monoamine oxidase, found in the nervous system, from breaking down neurotransmitters, chemicals in the brain that control nerve impulse transmission and affect mood.
Because of the potential for serious side effects, patients taking MAO inhibitors are usually advised to carry a card or wear a bracelet that alerts medical personnel to their use of a MAO inhibitor in case of emergency.
encarta.msn.com /encyclopedia_761593058/MAO_Inhibitor.html   (415 words)

  
 Monoamine oxidase inhibitor: Definition and Links by Encyclopedian.com
Monoamine oxidase inhibitors (MAOIs) are a class of antidepressant drugs prescribed for the treatment of depression.
Due to potentially serious dietary and drug interactions they are used less frequently than other classes of antidepressant drugs (for example tricyclic antidepressants and selective serotonin reuptake inhibitors).
MAOIs act by inhibiting the activity of monoamine oxidase preventing the breakdown of monoamine neurotransmitters and so prolonging their effect.
www.encyclopedian.com /mo/MOA-Inhibitor.html   (277 words)

  
 MAO Inhibitors
The monoamine oxidase inhibitor medications is another group of older but quite effective anti-depressant medications which has become largely forgotten.
For refractory depressive episodes, venlafaxine, the monoamine oxidase inhibitor tranylcypromine, and ECT are most widely recommended." Bipolar depression: issues in diagnosis and treatment.
Monoamine oxidase inhibitors are also effective treatments for outpatients who have failed to respond to tricyclic antidepressants.
www.modern-psychiatry.com /new_page_23.htm   (1889 words)

  
 Monoamine Oxidase Inhibitors Information on Healthline
Monoamine oxidase inhibitors (MAO inhibitors) are medicines that relieve certain types of mental depression.
MAO inhibitors are especially useful in treating people whose depression is combined with other problems such as anxiety, panic attacks, phobias, or the desire to sleep too much.
Because MAO inhibitors work on the central nervous system, they may add to the effects of alcohol and other drugs that slow down the central nervous system, such as antihistamines, cold medicine, allergy medicine, sleep aids, medicine for seizures, tranquilizers, some pain relievers, and muscle relaxants.
www.healthline.com /galecontent/monoamine-oxidase-inhibitors   (916 words)

  
 eMedicine - Toxicity, Monoamine Oxidase Inhibitor : Article by Soumya Ganapathy
Monoamine oxidase is a mitochondrial enzyme that functions to deaminate primary and secondary aromatic amines.
Monoamine oxidase inhibitors (MAOIs) are not typically prescribed to children; they are prescribed to adults in a household.
Patients with monoamine oxidase inhibitor (MAOI) overdoses should be admitted to the hospital primarily because of the prolonged latent stage.
www.emedicine.com /ped/topic2785.htm   (2813 words)

  
 Monoamine oxidase inhibitors
Monoamine oxidase inhibitors (MAOIs) are one of the oldest classes of antidepressants and are typically used when other antidepressants have not been effective.
Monoamines are broken down by a chemical (enzyme), called monoamine oxidase.
The reversible inhibitor of monoamine oxidase type A, moclobemide, is more likely to be used than these older MAOIs, because it is believed to cause fewer food and drug interaction problems.
www.netdoctor.co.uk /diseases/depression/monoamineoxidaseinhibitors_000101.htm   (951 words)

  
 Antidepressants, Monoamine Oxidase (MAO) Inhibitor (Systemic)
Monoamine oxidase (MAO) inhibitors are used to relieve certain types of mental depression.
In animal studies, MAO inhibitors caused a slowing of growth and increased excitability in the newborn when very large doses were given to the mother during pregnancy.
Taking MAO inhibitors together with medicines that are used during surgery or dental or emergency treatments may increase the risk of serious side effects.
allnutritionals.com /drugs/a/antidepressants-monoamineoxidase-maoinhibitor-systemic.shtml   (2347 words)

  
 monoamine - Search Results - MSN Encarta
MAO Inhibitor, any of a group of drugs used to treat depression, anxiety, or phobias.
Properly known as monoamine oxidase (MAO) inhibitors, these...
Studies have found that cigarettes are addictive because an unknown component of tobacco smoke appears to destroy an important brain enzyme known as...
ca.encarta.msn.com /monoamine.html   (76 words)

  
 NetDoctor.co.uk - Depression - Treating   (Site not responding. Last check: )
Monoamine oxidase inhibitors (MAOIs) are one of the oldest classes of antidepressants and are typically used when other antidepressants have not been effective.
Monoamines are broken down by a chemical (enzyme), called monoamine oxidase.
By increasing the amount of monoamines in the brain, the imbalance of chemicals, thought to be caused by depression, is altered.
community.netdoktor.com /ccs/uk/depression/coping/treating/article.jsp?articleIdent=uk.depression.coping.treating.uk_depression_article_2049   (398 words)

  
 Monoamine Oxidase Inhibitors (MAOI)
Abstract: The pathways for the biosynthesis and metabolism of tyramine are described as a basis for the discussion of the interaction between MAO inhibitors and tyramine.
Effect of moclobemide, a new reversible monoamine oxidase inhibitor, on absorption and pressor effect of tyramine.
Abstract: Monoamine oxidase inhibitors (MAOIs) are attracting renewed attention as effective antidepressants for refractory depressions, particularly among the elderly.
home.caregroup.org /clinical/altmed/interactions/Drug_Classes/Monoamine_Oxida.htm   (5530 words)

  
 Antidepressant Update
Monoamine oxidase inhibitors (MAOIs) nonspecifically inhibit type A and type B monoamine oxidases to block the degradation of norepinephrine, serotonin, and dopamine.
(1, 5) Monoamine oxidase is an intracellular enzyme located in the mitochondria that catalyzes the conversion of biogenic amines (ie, norepinephrine and serotonin) to their deaminated products.
However, monoamine oxidase is also responsible for metabolizing compounds, such as tyramine, which are present in certain aged cheeses and other food substances.
www.dr-bob.org /tips/antidepressants.html   (5961 words)

  
 Monoamine Oxidase Inhibitor Properties of Some Benzazoles: Structure-activity Relationships
Benzazoles containing two or three nitrogen atoms were screened for their inhibitory activity toward monoamine oxidases MAO-A and MAO-B. In order to clarify the mechanism of interaction of these compounds with the enzyme, their electronic structure was calculated at the ab initio level and the influence of lipophilicity on activity was investigated.
Monoamine oxidase (MAO) is a FAD-containing enzyme of the outer mitochondrial membrane
2.   Gargalidis-Moudanos C, Remaury A, Parini A. Predominant expression of monoamine oxidase B isoform in rabbit renal proximal tube: regulation by I2 imidazoline ligands in intact cells.
www.aapsj.org /view.asp?art=ps010416   (1655 words)

  
 The Ultimate Monoamine oxidase inhibitor Dog Breeds Information Guide and Reference
Monoamine oxidase inhibitors (MAOIs) are a class of antidepressant drugs prescribed for the treatment of depression.
MAOIs act by inhibiting the activity of monoamine oxidase preventing the breakdown of monoamine neurotransmitters and so prolonging their effect.
Combined use of non-selective MAO inhibitors or MAO-A inhibitors and serotonergic drugs is likely to lead to serotonin syndrome.
www.dogluvers.com /dog_breeds/MAOI   (395 words)

  
 Monoamine oxidase inhibitor - Depression Wiki
MAOIs act by inhibiting the activity of monoamine oxidase preventing the breakdown of monoamine neurotransmitters and so increasing the available stores.
When they react with monoamine oxidase, they permanently deactivate it, and the enzyme cannot function until it has been replaced by the body, which can take about two weeks.
Combined use of non-selective MAO inhibitors or MAO-A inhibitors and serotonergic drugs, such as SSRIs or MDMA and other phenylethylamines, is likely to lead to serotonin syndrome.
depression.wikia.com /wiki/Monoamine_oxidase_inhibitor   (783 words)

  
 monoamine oxidase inhibitor definition - Dictionary - MSN Encarta
monoamine oxidase inhibitor definition - Dictionary - MSN Encarta
Search for "monoamine oxidase inhibitor" in all of MSN Encarta
antidepressant drug: a drug that blocks the breakdown of monoamines by monoamine oxidase in the brain.
encarta.msn.com /dictionary_1861693782/monoamine_oxidase_inhibitor.html   (68 words)

  
 MAOIs - Monoamine oxidase inhibitors (MAOI)
MAOI is an acronym for Monoamine Oxidase Inhibitor.
Monoamine oxidase inhibitors: MAOIs are effective for some people with major depression who do not respond to other antidepressants.
Once the brain's three neurotransmitters, known as monoamines (serotonin, norepinephrine, and dopamine), have played their part in sending messages in the brain, they get burned up by a protein in the brain called monoamine oxidase, a liver and brain enzyme.
www.depression-guide.com /maoi.htm   (766 words)

  
 eMedicine - Toxicity, Monoamine Oxidase Inhibitor : Article by Steven Marcus
When released into the synaptic space, neurotransmitters are either reabsorbed into the proximal nerve and metabolized by monoamine oxidase (MAO) or destroyed by catechol-o-methyl transferase in the synaptic cleft.
Circulating monoamines, such as epinephrine, norepinephrine, and dopamine, are inactivated when they pass through a liver rich in MAO-A. MAO-B, on the other hand, is found primarily in the brain and in platelets.
Monoamine oxidase is responsible for the deactivation of active monoamines such as epinephrine, norepinephrine, dopamine, and serotonin.
www.emedicine.com /emerg/topic318.htm   (2779 words)

  
 Monoamine oxidase inhibitors (MAOIs) - Psychology Wiki
MAO inhibitors can also be used in the treatment of Parkinson's disease (by affecting dopaminergic neurons), as well as an alternative for migraine prophylaxis.
There are two isoforms of monoamine oxidase, MAO-A and MAO-B. MAO-A preferentially deaminates serotonin, melatonin, adrenaline and noradrenaline.
The phenethylamine derivatives substituted with a sulfur at the 4-position, such as 2C-T-7 are quite potent MAO-A inhibitors, which makes them potentially dangerous when taken in large doses, or when combined with stimulants such as ephedrine or MDMA.
psychology.wikia.com /wiki/MAOI   (1386 words)

  
 Antidepressant, Monoamine Oxidase (Mao) Inhibitor (Oral Route) - MayoClinic.com
Foods that have a high tyramine content (most common in foods that are aged or fermented to increase their flavor), such as cheeses; fava or broad bean pods; yeast or meat extracts; smoked or pickled meat, poultry, or fish; fermented sausage (bologna, pepperoni, salami, summer sausage) or other fermented meat; sauerkraut; or any overripe fruit.
In animal studies, MAO inhibitors caused a slowing of growth and increased excitability in the newborn when very large doses were given to the mother during pregnancy.
Taking MAO inhibitors together with medicines that are used during surgery or dental or emergency treatments may increase the risk of serious side effects.
www.mayoclinic.com /health/drug-information/DR602071   (2382 words)

  
 Monoamine oxidase inhibitor - Wikipedia, the free encyclopedia
MAOIs act by inhibiting the activity of monoamine oxidase preventing the breakdown of monoamine neurotransmitters and so increasing the available stores.
There are two isoforms of monoamine oxidase, MAO-A and MAO-B. MAO-A preferentially deaminates serotonin, melatonin, adrenaline and noradrenaline.
When they react with monoamine oxidase, they permanently deactivate it, and the enzyme cannot function until it has been replaced by the body, which can take about two weeks.
en.wikipedia.org /wiki/Monoamine_oxidase_inhibitor   (1043 words)

  
 Ephedrine
Abstract: The classical monoamine oxidase inhibitors (MAOIs) are believed to have serious risks because of interactions with other drugs and foodstuffs, although not with a sound scientific basis in all cases.
This syndrome probably arose as a consequence of an interaction between the monoamine oxidase inhibitor selegiline, the sympathomimetic agent ephedrine, and a tricyclic antidepressant.
The mechanism of the interaction is thought to be related to increased sympathetic release of noradrenaline by ephedrine, inhibition of catabolism by selegiline, and inhibition of reuptake of noradrenaline by the tricyclic.
home.caregroup.org /clinical/altmed/interactions/Drugs/Ephedrine.htm   (1424 words)

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