| APUD | Amine Precursor Uptake & Decarboxylation |
|---|---|
| DMPEA | 3,4-Di-Methoxy-Phenyl-Ethyl-Amine |
| PPDA | Para-phenylene Di-Amine |
| PRA | 1) Plasma Renin Activity 2) Phospho-Ribosyl-Amine |
| APUD | amine precursor uptake and decarboxylation |
| HM-PAO | hexamethyl propylene amine oxyme |
|---|---|
| 99TCm-HMPAO | 99TCm-hexamethylpropylene amine oxime |
| HMPAO | 99Tc]hexamethylpropylene amine oxime |
| HMPAO | 99mTc)-d,l-hexamethyl propilene amine oxime |
| APUD | Amine Precursor Uptake and Decarboxylation |
| biogenic amine neurotransmitters | Biogenic amines released by neurons as intercellular messengers. The biogenic amines norepinephrine, dopamine, histamine, and serotonin are neurotransmitters in both the central and peripheral nervous systems. (12 Dec 1998) |
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| biogenic amine | <biochemistry> Amines found in both animals and plants that are frequently involved in signalling. There are several groups: ethanolamine derivatives include choline, acetylcholine AMP, muscarine, catecholamines include adrenaline, noradrenaline & dopamine, polyamines include spermine, indolylalkylamines include tryptamine & serotonin, betaines include carnitine, polymethyline diamines include cadaverine & putrescine. (18 Nov 1997) |
|---|---|
| receptors, biogenic amine | Cell surface proteins that bind biogenic amines with high affinity and regulate intracellular signals which influence the behaviour of cells. Biogenic amine is a chemically imprecise term which, by convention, includes the catecholamines epinephrine, norepinephrine, and dopamine, the indoleamine serotonin, the imidazolamine histamine, and compounds closely related to each of these. (12 Dec 1998) |
| amino acid neurotransmitters | Amino acids released by neurons as intercellular messengers. Among the amino acid neurotransmitters are glutamate (glutamic acid) and gaba which are, respectively, the most common excitatory and inhibitory neurotransmitters in the central nervous system. (12 Dec 1998) |
| monoamine neurotransmitters | A group of naturally occurring amines derived by enzymatic decarboxylation of the natural amino acids. Many have powerful physiological effects (e.g., histamine, serotonin, epinephrine, tyramine). Those derived from aromatic amino acids, and also their synthetic analogs (e.g., amphetamine), are of use in pharmacology. (12 Dec 1998) |
| neurotransmitters | Endogenous signaling molecules that alter the behaviour of neurons or effector cells. Neurotransmitter is used here in its most general sense, including not only messengers that act directly to regulate ion channels, but also those that act through second messenger systems, and those that act at a distance from their site of release. Included are neuromodulators, neuroregulators, neuromediators, and neurohumors, whether or not acting at synapses. (12 Dec 1998) |
| neurotransmitters and neurotransmitter agents | A collective grouping for neurotransmitters and substances that act on the neurotransmitter system. (12 Dec 1998) |
| biogenic | <biology> Something which came about as a result of the activities of living things. Something which is necessary for life processes. Origin: Gr. Gennan = to produce (09 Oct 1997) |
| biogenic amines | A group of naturally occurring amines derived by enzymatic decarboxylation of the natural amino acids. Many have powerful physiological effects (e.g., histamine, serotonin, epinephrine, tyramine). Those derived from aromatic amino acids, and also their synthetic analogs (e.g., amphetamine), are of use in pharmacology. (12 Dec 1998) |
| biogenic monoamines | Biogenic amines having only one amine moiety. Included in this group are all natural monoamines formed by the enzymatic decarboxylation of natural amino acids. (12 Dec 1998) |
| biogenic polyamines | Biogenic amines having more than one amine group. These are long-chain aliphatic compounds that contain multiple amino and/or imino groups. Because of the linear arrangement of positive charge on these molecules, polyamines bind electrostatically to ribosomes, DNA, and RNA. (12 Dec 1998) |
| adrenergic amine | An agent that evokes responses similar to those produced by adrenergic nerve activity (e.g., epinephrine, ephedrine, isoproterenol). Synonym: adrenergic amine, adrenomimetic amine, sympathetic amine. (05 Mar 2000) |
| adrenomimetic amine | An agent that evokes responses similar to those produced by adrenergic nerve activity (e.g., epinephrine, ephedrine, isoproterenol). Synonym: adrenergic amine, adrenomimetic amine, sympathetic amine. (05 Mar 2000) |
| amine | <biochemistry> An organic compound containing nitrogen, any member of a group of chemical compounds formed from ammonia by replacement of one or more of the hydrogen atoms by organic (hydrocarbon) radicals. The amines are distinguished as primary, secondary and tertiary, according to whether one, two or three hydrogen atoms are replaced. The amines include allylamine, amylamine, ethylamine, methylamine, phenylamine, propylamine and many other compounds. (18 Nov 1997) |
| amine oxidase | <enzyme> A group of enzymes including those oxidizing primary monoamines, diamines, and histamine. They are copper proteins, and, as their action depends on a carbonyl group, they are sensitive to inhibition by saemicarbazide. Chemical name: Amine:oxygen oxidoreductase (deaminating)(copper-containing) Registry number: EC 1.4.3.6 (12 Dec 1998) |
| amine oxidase (copper-containing) | An oxidoreductase containing copper, and perhaps pyridoxal phosphate, and carrying out the same reaction as amine oxidase (flavin-containing). Synonym: amine oxidase (pyridoxal-containing), diamine oxidase, diamino oxyhydrase, histaminase. (05 Mar 2000) |
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