Page last updated: 2024-10-24
sleep
Definition
Target type: biologicalprocess
Any process in which an organism enters and maintains a periodic, readily reversible state of reduced awareness and metabolic activity. Usually accompanied by physical relaxation, the onset of sleep in humans and other mammals is marked by a change in the electrical activity of the brain. [ISBN:0192800981]
Sleep is a naturally recurring state of mind and body characterized by altered consciousness, relatively suspended sensory activity, and inactivity. It is a fundamental biological need, essential for physical and mental health. While sleeping, the body undergoes various physiological and neurological changes.
**Stages of Sleep:**
Sleep is divided into four distinct stages:
* **Stage 1 (NREM 1):** This is the lightest stage of sleep, characterized by a transition from wakefulness to sleep. It lasts only a few minutes and is marked by a slowing of heart rate and breathing, and a decrease in muscle activity.
* **Stage 2 (NREM 2):** This stage is deeper than stage 1 and is characterized by further slowing of heart rate and breathing, and a decrease in brain activity. The majority of sleep is spent in this stage.
* **Stage 3 (NREM 3):** This is the deepest stage of sleep, known as slow-wave sleep. It is characterized by very slow brain waves, slow breathing, and relaxed muscles. This stage is crucial for physical and mental restoration.
* **REM (Rapid Eye Movement) Sleep:** This stage is characterized by rapid eye movements, increased brain activity, and muscle paralysis. Dreaming primarily occurs during this stage.
**Neurological Processes:**
* **Brain activity:** During sleep, there are distinct patterns of brain activity in each stage, monitored by an electroencephalogram (EEG). The brain waves become slower and more synchronized during NREM sleep, and more rapid and desynchronized during REM sleep.
* **Neurotransmitter release:** Several neurotransmitters, including serotonin, dopamine, and acetylcholine, are released and regulated differently during sleep. These neurotransmitters play a role in regulating mood, alertness, and other functions.
**Physiological Processes:**
* **Hormonal regulation:** Sleep plays a critical role in regulating hormone production, including growth hormone, cortisol, and melatonin. Growth hormone is primarily released during deep sleep, while cortisol levels decrease during sleep. Melatonin, produced by the pineal gland, helps regulate the sleep-wake cycle.
* **Tissue repair and restoration:** During sleep, the body repairs and regenerates tissues, including muscles, organs, and cells. This process is essential for maintaining physical health and function.
* **Immune system strengthening:** Sleep also helps to strengthen the immune system by promoting the production of cytokines, which are proteins that help fight infection and inflammation.
**Benefits of Sleep:**
* **Improved cognitive function:** Sleep is essential for memory consolidation, learning, and cognitive performance.
* **Enhanced mood:** Adequate sleep helps to regulate mood and reduce stress.
* **Reduced risk of chronic diseases:** A lack of sleep is linked to an increased risk of chronic diseases such as heart disease, stroke, diabetes, and obesity.
* **Improved physical health:** Sleep helps to regulate blood pressure, heart rate, and respiration, which are crucial for overall health.
**Disorders of Sleep:**
* **Insomnia:** Difficulty falling asleep or staying asleep.
* **Sleep apnea:** A condition where breathing repeatedly stops and starts during sleep.
* **Narcolepsy:** A neurological disorder characterized by excessive daytime sleepiness.
* **Restless leg syndrome:** An irresistible urge to move the legs, often accompanied by uncomfortable sensations.
In summary, sleep is a fundamental biological process essential for overall health and well-being. It involves distinct stages, physiological changes, and numerous benefits. Disorders of sleep can have significant impacts on health and quality of life. Therefore, prioritizing sufficient and quality sleep is critical for maintaining a healthy and fulfilling life.'
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Proteins (4)
| Protein | Definition | Taxonomy |
|---|---|---|
| Voltage-dependent T-type calcium channel subunit alpha-1I | A voltage-dependent T-type calcium channel subunit alpha-1I that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q9P0X4] | Homo sapiens (human) |
| Mas-related G-protein coupled receptor member X2 | A Mas-related G-protein coupled receptor X2 that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q96LB1] | Homo sapiens (human) |
| Prostaglandin D2 receptor | A prostaglandin D2 receptor that is encoded in the genome of human. [PRO:WCB, UniProtKB:Q13258] | Homo sapiens (human) |
| Glutamate receptor ionotropic, NMDA 2A | A glutamate receptor ionotropic, NMDA 2A that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q12879] | Homo sapiens (human) |
Compounds (106)
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid | alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid: An IBOTENIC ACID homolog and glutamate agonist. The compound is the defining agonist for the AMPA subtype of glutamate receptors (RECEPTORS, AMPA). It has been used as a radionuclide imaging agent but is more commonly used as an experimental tool in cell biological studies. | non-proteinogenic alpha-amino acid | |
| 6,7-dichloroquinoxaline-2,3-dione | quinoxaline derivative | ||
| tacrine | tacrine : A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease. Tacrine: A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders. | acridines; aromatic amine | EC 3.1.1.7 (acetylcholinesterase) inhibitor |
| amantadine | amant: an antiviral compound consisting of an adamantane derivative chemically linked to a water-solube polyanioic matrix; structure in first source | adamantanes; primary aliphatic amine | analgesic; antiparkinson drug; antiviral drug; dopaminergic agent; NMDA receptor antagonist; non-narcotic analgesic |
| arcaine | 1,4-diguanidinobutane : A guanidine derivative consisting of butane having guanidino groups at the 1- and 4-positions. arcaine: RN given refers to parent cpd; structure | guanidines | |
| chlorpromazine | chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup. | organochlorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; phenothiazine antipsychotic drug |
| clofibric acid | clofibric acid : A monocarboxylic acid that is isobutyric acid substituted at position 2 by a p-chlorophenoxy group. It is a metabolite of the drug clofibrate. Clofibric Acid: An antilipemic agent that is the biologically active metabolite of CLOFIBRATE. | aromatic ether; monocarboxylic acid; monochlorobenzenes | anticholesteremic drug; antilipemic drug; antineoplastic agent; herbicide; marine xenobiotic metabolite; PPARalpha agonist |
| racemethorphan | 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene : An organic heterotetracyclic compound that is 1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene which is substituted by a methoxy group at position 6 and a methyl group at position 11. | aromatic ether; morphinane alkaloid; morphinane-like compound; organic heterotetracyclic compound | |
| ethosuximide | ethosuximide : A dicarboximide that is pyrrolidine-2,5-dione in which the hydrogens at position 3 are substituted by one methyl and one ethyl group. An antiepileptic, it is used in the treatment of absence seizures and may be used for myoclonic seizures, but is ineffective against tonic-clonic seizures. Ethosuximide: An anticonvulsant especially useful in the treatment of absence seizures unaccompanied by other types of seizures. | dicarboximide; pyrrolidinone | anticonvulsant; geroprotector; T-type calcium channel blocker |
| ifenprodil | ifenprodil: NMDA receptor antagonist | piperidines | |
| ketamine | ketamine : A member of the class of cyclohexanones in which one of the hydrogens at position 2 is substituted by a 2-chlorophenyl group, while the other is substituted by a methylamino group. Ketamine: A cyclohexanone derivative used for induction of anesthesia. Its mechanism of action is not well understood, but ketamine can block NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE) and may interact with sigma receptors. | cyclohexanones; monochlorobenzenes; secondary amino compound | analgesic; environmental contaminant; intravenous anaesthetic; neurotoxin; NMDA receptor antagonist; xenobiotic |
| kynurenic acid | kynurenic acid : A quinolinemonocarboxylic acid that is quinoline-2-carboxylic acid substituted by a hydroxy group at C-4. Kynurenic Acid: A broad-spectrum excitatory amino acid antagonist used as a research tool. | monohydroxyquinoline; quinolinemonocarboxylic acid | G-protein-coupled receptor agonist; human metabolite; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist; Saccharomyces cerevisiae metabolite |
| memantine | adamantanes; primary aliphatic amine | antidepressant; antiparkinson drug; dopaminergic agent; neuroprotective agent; NMDA receptor antagonist | |
| methadone | 6-(dimethylamino)-4,4-diphenylheptan-3-one : A ketone that is heptan-3-one substituted by a dimethylamino group at position 6 and two phenyl groups at position 4. methadone : A racemate comprising equimolar amounts of dextromethadone and levomethadone. It is a opioid analgesic which is used as a painkiller and as a substitute for heroin in the treatment of heroin addiction. Methadone: A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a mu-opioid agonist. It has actions and uses similar to those of MORPHINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1082-3) | benzenes; diarylmethane; ketone; tertiary amino compound | |
| methoctramine | aromatic ether; tetramine | muscarinic antagonist | |
| nimodipine | nimodipine : A dihydropyridine that is 1,4-dihydropyridine which is substituted by methyl groups at positions 2 and 6, a (2-methoxyethoxy)carbonyl group at position 3, a m-nitrophenyl group at position 4, and an isopropoxycarbonyl group at position 5. An L-type calcium channel blocker, it acts particularly on cerebral circulation, and is used both orally and intravenously for the prevention and treatment of subarachnoid hemorrhage from ruptured intracranial aneurysm. Nimodipine: A calcium channel blockader with preferential cerebrovascular activity. It has marked cerebrovascular dilating effects and lowers blood pressure. | 2-methoxyethyl ester; C-nitro compound; dicarboxylic acids and O-substituted derivatives; diester; dihydropyridine; isopropyl ester | antihypertensive agent; calcium channel blocker; cardiovascular drug; vasodilator agent |
| orphenadrine | orphenadrine : A tertiary amino compound which is the phenyl-o-tolylmethyl ether of 2-(dimethylamino)ethanol. Orphenadrine: A muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm. | ether; tertiary amino compound | antidyskinesia agent; antiparkinson drug; H1-receptor antagonist; muscarinic antagonist; muscle relaxant; NMDA receptor antagonist; parasympatholytic |
| pentamidine | pentamidine : A diether consisting of pentane-1,5-diol in which both hydroxyl hydrogens have been replaced by 4-amidinophenyl groups. A trypanocidal drug that is used for treatment of cutaneous leishmaniasis and Chagas disease. Pentamidine: Antiprotozoal agent effective in trypanosomiasis, leishmaniasis, and some fungal infections; used in treatment of PNEUMOCYSTIS pneumonia in HIV-infected patients. It may cause diabetes mellitus, central nervous system damage, and other toxic effects. | aromatic ether; carboxamidine; diether | anti-inflammatory agent; antifungal agent; calmodulin antagonist; chemokine receptor 5 antagonist; EC 2.3.1.48 (histone acetyltransferase) inhibitor; NMDA receptor antagonist; S100 calcium-binding protein B inhibitor; trypanocidal drug; xenobiotic |
| procyclidine | procyclidine : A tertiary alcohol that consists of propan-1-ol substituted by a cyclohexyl and a phenyl group at position 1 and a pyrrolidin-1-yl group at position 3. Procyclidine: A muscarinic antagonist that crosses the blood-brain barrier and is used in the treatment of drug-induced extrapyramidal disorders and in parkinsonism. | pyrrolidines; tertiary alcohol | antidyskinesia agent; antiparkinson drug; muscarinic antagonist |
| phencyclidine | phencyclidine : A member of the class of piperidines that is piperidine in which the nitrogen is substituted with a 1-phenylcyclohexyl group. Formerly used as an anaesthetic agent, it exhibits both hallucinogenic and neurotoxic effects. Phencyclidine: A hallucinogen formerly used as a veterinary anesthetic, and briefly as a general anesthetic for humans. Phencyclidine is similar to KETAMINE in structure and in many of its effects. Like ketamine, it can produce a dissociative state. It exerts its pharmacological action through inhibition of NMDA receptors (RECEPTORS, N-METHYL-D-ASPARTATE). As a drug of abuse, it is known as PCP and Angel Dust. | benzenes; piperidines | anaesthetic; neurotoxin; NMDA receptor antagonist; psychotropic drug |
| 2-methyl-4-chlorophenoxyacetic acid | (4-chloro-2-methylphenoxy)acetic acid : A chlorophenoxyacetic acid that is (4-chlorophenoxy)acetic acid substituted by a methyl group at position 2. 2-Methyl-4-chlorophenoxyacetic Acid: A powerful herbicide used as a selective weed killer. | chlorophenoxyacetic acid; monochlorobenzenes | environmental contaminant; phenoxy herbicide; synthetic auxin |
| dextropropoxyphene | dextropropoxyphene : The (1S,2R)-(+)-diastereoisomer of propoxyphene. Dextropropoxyphene: A narcotic analgesic structurally related to METHADONE. Only the dextro-isomer has an analgesic effect; the levo-isomer appears to exert an antitussive effect. propoxyphene : A racemate of the (1R,2R)- and (1S,2R)- diastereoisomers. | 1-benzyl-3-(dimethylamino)-2-methyl-1-phenylpropyl propanoate | mu-opioid receptor agonist; opioid analgesic |
| 2,3-dihydroxyquinoxaline | 2,3-dihydroxyquinoxaline: fluorescent oxalic acid deriv. | ||
| glutamic acid | glutamic acid : An alpha-amino acid that is glutaric acid bearing a single amino substituent at position 2. Glutamic Acid: A non-essential amino acid naturally occurring in the L-form. Glutamic acid is the most common excitatory neurotransmitter in the CENTRAL NERVOUS SYSTEM. | glutamic acid; glutamine family amino acid; L-alpha-amino acid; proteinogenic amino acid | Escherichia coli metabolite; ferroptosis inducer; micronutrient; mouse metabolite; neurotransmitter; nutraceutical |
| substance p | peptide | neurokinin-1 receptor agonist; neurotransmitter; vasodilator agent | |
| bezafibrate | aromatic ether; monocarboxylic acid; monocarboxylic acid amide; monochlorobenzenes | antilipemic drug; environmental contaminant; geroprotector; xenobiotic | |
| mibefradil | Mibefradil: A benzimidazoyl-substituted tetraline that selectively binds and inhibits CALCIUM CHANNELS, T-TYPE. | tetralins | T-type calcium channel blocker |
| fenofibric acid | fenofibric acid : A monocarboxylic acid that is 2-methylpropanoic acid substituted by a 4-(4-chlorobenzoyl)phenoxy group at position 2. It is a metabolite of the drug fenofibrate. fenofibric acid: RN given refers to parent cpd without isomeric designation; structure | aromatic ketone; chlorobenzophenone; monocarboxylic acid | drug metabolite; marine xenobiotic metabolite |
| 25-hydroxycholesterol | 25-hydroxy steroid; oxysterol | human metabolite | |
| budipine | budipine: RN given refers to parent cpd; structure in Negwer, 5th ed, #6541 | diarylmethane | |
| rosiglitazone | aminopyridine; thiazolidinediones | EC 6.2.1.3 (long-chain-fatty-acid--CoA ligase) inhibitor; ferroptosis inhibitor; insulin-sensitizing drug | |
| 6,7-dichloroquinoxaline-2,3-dione | |||
| pregnenolone sulfate | pregnenolone sulfate: RN given refers to (3 beta)-isomer | steroid sulfate | EC 2.7.1.33 (pantothenate kinase) inhibitor; human metabolite |
| ah 6809 | 6-isopropoxy-9-oxoxanthene-2-carboxylic acid: structure given in UD | xanthones | |
| 24-hydroxycholesterol | (24S)-24-hydroxycholesterol : A 24-hydroxycholesterol that has S configuration at position 24. It is the major metabolic breakdown product of cholesterol in the brain. | 24-hydroxycholesterol | biomarker; human blood serum metabolite; mouse metabolite |
| ramatroban | organic molecular entity | ||
| ly 293558 | tezampanel: structure given in first source; an AMPA receptor antagonist | ||
| besonprodil | besonprodil: CI-1041 is also known as PD19680; NMDA receptor antagonist for treatment of Parkinson's disease; structure in first source | ||
| philanthotoxin 343 | philanthotoxin 343: structure given in first source (see article's footnote); identical to philanthotoxin 433 except that the number of methylene groups between the respective amine moieties is 3,4,3 instead of 4,3,3 | N-acyl-amino acid | |
| dizocilpine | secondary amino compound; tetracyclic antidepressant | anaesthetic; anticonvulsant; neuroprotective agent; nicotinic antagonist; NMDA receptor antagonist | |
| memantine hydrochloride | hydrochloride | antidepressant; antiparkinson drug; dopaminergic agent; neuroprotective agent; NMDA receptor antagonist | |
| esketamine | esketamine : The S- (more active) enantiomer of ketamine. | ketamine | analgesic; intravenous anaesthetic; NMDA receptor antagonist |
| cns 5161 | CNS 5161: structure in first source | ||
| cp 101,606 | traxoprodil mesylate: a selective NMDA antagonist; structure given in first source | ||
| metazocine | metazocine: more than 13 isomers available; structure given in first source | benzazocine | |
| flunarizine | Flunarizine: Flunarizine is a selective calcium entry blocker with calmodulin binding properties and histamine H1 blocking activity. It is effective in the prophylaxis of migraine, occlusive peripheral vascular disease, vertigo of central and peripheral origin, and as an adjuvant in the therapy of epilepsy. | diarylmethane | |
| dexoxadrol | |||
| 7-chloro-thiokynurenate | 7-chlorothiokynurenic acid: glycine site antagonist of NMDA receptor | ||
| 2-phenoxy-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]acetamide | tetralins | ||
| (3-chlorophenyl)(6,7-dimethoxy-1-((4-methoxyphenoxy)methyl)-3,4-dihydroisoquinolin-2(1h)-yl)methanone | (3-chlorophenyl)(6,7-dimethoxy-1-((4-methoxyphenoxy)methyl)-3,4-dihydroisoquinolin-2(1H)-yl)methanone: a positive modulator of GluN2C/GluN2D subunit-selective NMDA receptor | ||
| tcn 201 | |||
| dinoprost | Dinoprost: A naturally occurring prostaglandin that has oxytocic, luteolytic, and abortifacient activities. Due to its vasocontractile properties, the compound has a variety of other biological actions. prostaglandin F2alpha : A prostaglandins Falpha that is prosta-5,13-dien-1-oic acid substituted by hydroxy groups at positions 9, 11 and 15. It is a naturally occurring prostaglandin used to induce labor. | monocarboxylic acid; prostaglandins Falpha | human metabolite; mouse metabolite |
| codeine | morphinane alkaloid; organic heteropentacyclic compound | antitussive; drug allergen; environmental contaminant; opioid analgesic; opioid receptor agonist; prodrug; xenobiotic | |
| hydrocodone | hydrocodone : A morphinane-like compound that is a semi-synthetic opioid synthesized from codeine. Hydrocodone: Narcotic analgesic related to CODEINE, but more potent and more addicting by weight. It is used also as cough suppressant. | morphinane-like compound; organic heteropentacyclic compound | antitussive; mu-opioid receptor agonist; opioid analgesic |
| morphine | Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | morphinane alkaloid; organic heteropentacyclic compound; tertiary amino compound | anaesthetic; drug allergen; environmental contaminant; geroprotector; mu-opioid receptor agonist; opioid analgesic; plant metabolite; vasodilator agent; xenobiotic |
| alpha-neoendorphin | alpha-neoendorphin: precursor or leucine enkephalin family | ||
| cloprostenol | Cloprostenol: A synthetic prostaglandin F2alpha analog. The compound has luteolytic effects and is used for the synchronization of estrus in cattle. | prostanoid | |
| iloprost | iloprost : A carbobicyclic compound that is prostaglandin I2 in which the endocyclic oxygen is replaced by a methylene group and in which the (1E,3S)-3-hydroxyoct-1-en-1-yl side chain is replaced by a (3R)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl group. A synthetic analogue of prostacyclin, it is used as the trometamol salt (generally by intravenous infusion) for the treatment of peripheral vascular disease and pulmonary hypertension. Iloprost: An eicosanoid, derived from the cyclooxygenase pathway of arachidonic acid metabolism. It is a stable and synthetic analog of EPOPROSTENOL, but with a longer half-life than the parent compound. Its actions are similar to prostacyclin. Iloprost produces vasodilation and inhibits platelet aggregation. | carbobicyclic compound; monocarboxylic acid; secondary alcohol | platelet aggregation inhibitor; vasodilator agent |
| l 745870 | 3-((4-(4-chlorophenyl)piperazin-1-yl)methyl)-1H-pyrrolo(2,3-b)pyridine: selective for D(4) receptors; structure in first source | piperazines | |
| thebaine | Thebaine: A drug that is derived from opium, which contains from 0.3-1.5% thebaine depending on its origin. It produces strychnine-like convulsions rather than narcosis. It may be habit-forming and is a controlled substance (opiate) listed in the U.S. Code of Federal Regulations, Title 21 Part 1308.12 (1985). (From Merck Index, 11th ed) | morphinane alkaloid; organic heteropentacyclic compound | |
| levorphanol | Levorphanol: A narcotic analgesic that may be habit-forming. It is nearly as effective orally as by injection. | morphinane alkaloid | |
| morphine-6-glucuronide | morphine-6-glucuronide: RN given refers to (5alpha,6alpha)-isomer | morphinane alkaloid | |
| dextromethorphan | dextromethorphan : A 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene in which the sterocenters at positions 4a, 10 and 10a have S-configuration. It is a prodrug of dextrorphan and used as an antitussive drug for suppressing cough. Dextromethorphan: Methyl analog of DEXTRORPHAN that shows high affinity binding to several regions of the brain, including the medullary cough center. This compound is an NMDA receptor antagonist (RECEPTORS, N-METHYL-D-ASPARTATE) and acts as a non-competitive channel blocker. It is one of the widely used ANTITUSSIVES, and is also used to study the involvement of glutamate receptors in neurotoxicity. | 6-methoxy-11-methyl-1,3,4,9,10,10a-hexahydro-2H-10,4a-(epiminoethano)phenanthrene | antitussive; environmental contaminant; neurotoxin; NMDA receptor antagonist; oneirogen; prodrug; xenobiotic |
| dextrorphan | Dextrorphan: Dextro form of levorphanol. It acts as a noncompetitive NMDA receptor antagonist, among other effects, and has been proposed as a neuroprotective agent. It is also a metabolite of DEXTROMETHORPHAN. | morphinane alkaloid | |
| sinomenine | sinomenine: isolated from root of Sinomenium acutum; antirheumatic, antineuralgic | morphinane alkaloid | |
| 6-o-monoacetylmorphine | 6-O-monoacetylmorphine: RN given refers to parent cpd(5alpha,6alpha)-isomer | morphinane alkaloid | |
| morphine-3-glucuronide | morphine-3-glucuronide: RN given refers to (5alpha,6alpha)-isomer | morphinane alkaloid | |
| licostinel | licostinel: a glycine site NMDA receptor antagonist; structure given in first source | ||
| acetylcodeine | |||
| codeine-6-glucuronide | codeine-6-glucuronide: structure given in first source | morphinane alkaloid | |
| tg4-155 | TG4-155: an EP2 receptor antagonist; structure in first source | ||
| ro 25-6981 | Ro 25-6981 : A member of the class of piperidines that is 4-benzylpiperidine substituted by a 3-hydroxy-3-(4-hydroxyphenyl)-2-methylpropyl group at position 1 (the 1R,2S-stereoisomer). It is a potent antagonist of the GluN2B subunit of the N-methyl-D-aspartate (NMDA) receptor. Ro 25-6981: blocks NMDA receptors containg NR2B subunit; structure in first source | benzenes; phenols; piperidines; secondary alcohol; tertiary amino compound | anticonvulsant; antidepressant; neuroprotective agent; NMDA receptor antagonist |
| u 62840 | U 62840: stereoisomeric benzindene prostaglandin analog; structure given in first source | carbotricyclic compound; carboxylic acid | antihypertensive agent; cardiovascular drug; human blood serum metabolite; platelet aggregation inhibitor; vasodilator agent; vitamin K antagonist |
| eaa-090 | EAA-090: a potent N-methyl-D-aspartate antagonist; structure in first source | dialkylarylamine; tertiary amino compound | |
| pd 174494 | PD 174494: structure in first source | piperidines | |
| ith 4012 | |||
| fpl 15896ar | |||
| (4-benzylpiperidin-1-yl)-(6-hydroxy-1h-indol-2-yl)methanone | (4-benzylpiperidin-1-yl)-(6-hydroxy-1H-indol-2-yl)methanone: an NR2B-subunit selective antagonist; structure in first source | ||
| tqx 173 | |||
| mk-0524 | MK-0524: a potent orally active human prostaglandin D(2) receptor 1 antagonist; structure in first source | indolyl carboxylic acid | |
| (1rs,1's)-peaqx | |||
| gw 9578 | GW 9578: a peroxisome proliferator-activated receptor alpha agonist; structure in first source | ||
| selexipag | selexipag : A member of the class of pyrazines that is N-(methanesulfonyl)-2-{4-[(propan-2-yl)(pyrazin-2-yl)amino]butoxy}acetamide carrying two additional phenyl substituents at positions 5 and 6 on the pyrazine ring. An orphan drug used for the treatment of pulmonary arterial hypertension. It is a prodrug for ACT-333679 (the free carboxylic acid). selexipag: prostacyclin receptor agonist | aromatic amine; ether; monocarboxylic acid amide; N-sulfonylcarboxamide; pyrazines; tertiary amino compound | orphan drug; platelet aggregation inhibitor; prodrug; prostacyclin receptor agonist; vasodilator agent |
| norcodeine | norcodeine : A morphinane-like compound that is the N-demethylated derivative of codeine. norcodeine: RN given refers to (5 alpha,6 alpha)-isomer | morphinane alkaloid | |
| mre 269 | (4-((5,6-diphenylpyrazin-2-yl)(isopropyl)amino)butoxy)acetic acid: active form of NS-304 ACT-333679 : A member of the class of pyrazines that is {4-[(propan-2-yl)(pyrazin-2-yl)amino]butoxy}acetic acid carrying two additional phenyl substituents at positions 5 and 6 on the pyrazine ring. The active metabolite of selexipag, an orphan drug used for the treatment of pulmonary arterial hypertension. | aromatic amine; ether; monocarboxylic acid; pyrazines; sulfonamide; tertiary amino compound | drug metabolite; orphan drug; platelet aggregation inhibitor; prostacyclin receptor agonist; vasodilator agent |
| tan 67 | quinolines | ||
| amg 009 | AMG 009: an anti-inflammatory agent; structure in first source | ||
| cay 10471 | CAY 10471: a prostaglandin D2 receptor antagonist; structure in first source | ||
| adl 5859 | |||
| oc000459 | |||
| etoxadrol | etoxadrol: was heading 1975-94 (see under PIPERIDINES 1975-90); use PIPERIDINES to search ETOXADROL 1975-90; dissociative anesthetic with some cardiovascular effects | ketal | |
| methoxydine | 1-(1-(4-methoxyphenyl)cyclohexyl)piperidine: a glutamate NMDA receptor ligand; structure in first source | ||
| l-798106 | L-798106 : An N-sulfonylcarboxamide resulting from the formal condensation of the carboxy group of o-naphthalen-2-ylcinnamic acid with the sulfonamide group of 5-bromo-2-methoxybenzenesulfonamide. It is a selective antagonist for the prostanoid receptor EP3, a prostaglandin receptor for prostaglandin E2 (PGE2). | aromatic ether; bromobenzenes; N-sulfonylcarboxamide | prostaglandin receptor antagonist |
| dynorphins | Dynorphins: A class of opioid peptides including dynorphin A, dynorphin B, and smaller fragments of these peptides. Dynorphins prefer kappa-opioid receptors (RECEPTORS, OPIOID, KAPPA) and have been shown to play a role as central nervous system transmitters. | ||
| cortistatin 14 | cortistatin: a cortical neuropeptide; shows strong structural similarity to somatostatin; a neuronal depressant; has sleep-modulating activity; amino acid sequence given in first source | ||
| bam 22p | |||
| fevipiprant | fevipiprant: a CRTh2 antagonist; structure in first source | ||
| fr181157 | |||
| dynorphins | dynorphin (1-13): potent opioid peptide; see also record for dynorphin & D-Ala(2)-dynorphin (1-11) | ||
| pf-04418948 | 1-(4-fluorobenzoyl)-3-(((6-methoxy-2-naphthyl)oxy)methyl)azetidine-3-carboxylic acid: structure in first source | ||
| amg 853 | vidupiprant: structure in first source | ||
| cay 10580 | 2-(3-hydroxyoctyl)-5-oxo-1-pyrrolidineheptanoic acid : A pyrrolidin-2-one substituted by 6-carboxyhexyl and 3-hydroxyoctyl groups at positions 1 and 2, respectively. It is a potent prostaglandin EP4 receptor agonist (Ki=35 nM). CAY 10580: a E-prostanoid EP4 receptor agonist | hydroxy monocarboxylic acid; pyrrolidin-2-ones; secondary alcohol | prostaglandin receptor agonist |
| nitd 609 | NITD 609: an antimalarial and coccidiostat; structure in first source | ||
| ulixacaltamide | Z944: a T-type calcium channel antagonist | benzamides; monochlorobenzenes; monofluorobenzenes; piperidines; secondary carboxamide | non-narcotic analgesic; T-type calcium channel blocker |
| mk-7246 | |||
| tg6-10-1 | TG6-10-1: brain-permeant prostaglandin E receptor 2 antagonist; structure in first source |