올레아마이드엠이에이

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H315：피부에 자극을 일으킴

  H318：눈에 심한 손상을 일으킴

  H411：장기적 영향에 의해 수생생물에 유독함

• 예방조치문구

  P264：취급 후에는 손을 철저히 씻으시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P302+P352：피부에 묻으면 다량의 물로 씻으시오.

  P305+P351+P338：눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.

  P310：즉시 의료기관(의사)의 진찰을 받으시오. 삼켰다면 즉시 의료기관(의사)의 도움을 받으시오.

  P321：(…) 처치를 하시오.

  P332+P313：피부 자극이 생기면 의학적인 조치· 조언을 구하시오.

  P362：오염된 의복을 벗고 세척 후에 재사용하기

올레아마이드엠이에이 화학적 특성, 용도, 생산

• 개요

  Oleoyl ethanolamide (OEA) is an analog of the endocannabinoid AEA found in brain tissue and in chocolate. It is one of the long chain fatty acid ethanolamides that accumulates rapidly in infarcted tissue, but its biosynthesis is reduced in the intestine of rats following food deprivation. OEA is an endogenous, potent agonist for PPARα, exhibiting an EC₅₀ value of 120 nM in a transactivation assay. Systemic administration of OEA suppresses food intake and reduces weight gain in rats (10 mg/kg intraperitoneally) and PPARα wild-type mice, but not in PPARα knockout mice. These data indicate that OEA regulates food intake by a PPARα-mediated mechanism.

• 용도

  N-Oleoyl Ethanolamide is an agonist of peroxisome proliferator-activated receptor-α (PPAR-α). N-Oleoyl Ethanolamide generates an intestinal signal that stimulates central dopamine activity establishing a link between caloric-homeostatic and hedonic-homeostatic controllers. Oleoyl Ethanolamide has been implicated as the molecular mechanism associated with gastric bypass success. N-Oleoyl Ethanolamide is a selective GPR55 agonist.

• 정의

  ChEBI: Oleoyl ethanolamide is an N-(long-chain-acyl)ethanolamine that is the ethanolamide of oleic acid. The monounsaturated analogue of the endocannabinoid anandamide. It has a role as a PPARalpha agonist, an EC 3.5.1.23 (ceramidase) inhibitor and a geroprotector. It is a N-(long-chain-acyl)ethanolamine, an endocannabinoid and a N-acylethanolamine 18:1. It is functionally related to an oleic acid.

• 주요 응용

  N-Oleoyl Ethanolamide has been used to study its effects on glucagon-like peptide (GLP)-1RA-mediated anorectic signaling and weight loss.

• Biosynthesis

  Oleoylethanolamide (OEA) is produced by the small intestine following feeding in two steps. First an N-acyl transferase (NAT) activity joins the free amino terminus of phosphatidylethanolamine (PE) to the oleoyl group (one variety of acyl group) derived from sn-1-oleoyl-phosphatidylcholine, which contains the fatty acid oleic acid at the sn-1 position. This produces an N-acylphosphatidylethanolamine, which is then split (hydrolyzed) by N-acyl phosphatidylethanolamine-specific phospholipase D (NAPE-PLD) into phosphatidic acid and OEA. The biosynthesis of OEA and other bioactive lipid amides is modulated by bile acids.

• Biological Functions

  N-Oleoyl Ethanolamide is also a predominant NAE species in the injured rat brain, and it has also been found to be the major NAE species in a human brain that has suffered a hemispheric stroke. As early as 1975, N-Oleoyl Ethanolamide was synthesized as an inhibitor of ceramidase, the enzyme that degrades ceramide. Ceramide is involved in the regulation of apoptosis and cell proliferation. Cannabinoid-induced apoptosis in glioma cells is mediated via formation of ceramide. On a tentative basis, it can be suggested that anandamide-induced apoptosis may be aggravated by the presence of N-Oleoyl Ethanolamide because this leads to increased formation of ceramide. There are numerous studies in which N-Oleoyl Ethanolamide has been shown to facilitate the apoptosis-inducing effect of different compounds mediated via increased ceramide levels. However, it has also been reported that N-Oleoyl Ethanolamide decreases ceramide levels in JB6 P+ cells by an unknown mechanism. Recently, N-Oleoyl Ethanolamide has been shown to have a CB1-receptor-independent anorexic effect by inhibiting some intestinal neuronal functions in the rat, and it also causes vasodilation in rat mesenteric arterial segments by an unknown receptor mechanism. Whether these recently discovered biological effects of N-Oleoyl Ethanolamide are of significance for neuroprotection is not known, but it indicates that nonendocannabinoid NAEs are also bioactive molecules with potential for cerebral actions.

• 일반 설명

  Oleoylethanolamide (OEA) is an endogenous fatty acid ethanolamine. Small intestine cells, adipose tissues, neurons and astrocytes produces OEA.

• 생물학적 활성

  Lipid mediator and analog of anandamide (N-(2-Hydroxyethyl)-5Z,8Z,11Z,14Z-eicosatetraenamide ) that is involved in peripheral regulation of feeding. Selective GPR55 agonist (EC 50 values are 0.44, >30 and >30 μ M at GPR55, CB 1 and CB 2 respectively) and PPAR α agonist (EC 50 = 120 nM). Induces satiety through activation of PPAR α and is also a ceramidase inhibitor. Also endogenous agonist at the GPR119 receptor.

• Biochem/physiol Actions

  Oleoylethanolamide (OEA) is a lipid mediator, which helps to control various biological functions, like food intake. It modulates the gene expression in the small intestine. OEA has the ability to initiate several receptors, such as cannabinoid receptor type 1 (CB1), peroxisome proliferator-activated receptors (PPARs) and G protein-coupled receptor 119 (GPR119).

• 효소 저해제

  This endocannabinoid-related metabolite (N-Oleoyl Ethanolamide; FW = 325.54 g/mol; CAS 111- 58-0; Symbol: NOE and OEA; Soluble in Ethanol, Chloroform, or Methanol) is widely employed to inhibit acid and neutral ceramidases (IC50 ~ 500 μM) that cleave fatty acids from ceramide, producing sphingosine (SPH), which is then enzymatically phosphorylated to form the receptorsensed metabolite, sphingosine-1-phosphate, or S1P. NOE also inhibits the glucosylation of naturally occurring ceramides. In CHP-100 neuroepithelioma cells treated with N-hexanoylsphingosine (C6-Cer; 30 μM), NOE affected only marginally short-chain glucocerebroside accumulation, but markedly decreased accumulation of glucocerebrosides originating from glucosylation of a long-chain ceramide (Lc-Cer) produced upon C6-Cer treatment. NOE also inhibits fatty acid hydrolase (or FAAH), an integral membrane hydrolase possessing an unusual catalytic triad Ser-Ser-Lys.
  N-Oleoyl Ethanolamide is also an effective inhibitor of mitochondrial swelling, but does not inhibit phospholipase A2 or ruthenium red-induced Ca2+ release. Moreover, among naturally occurring Nacylethanolamines, only NOE (at 10 μM) inhibits the accumulation of Narachidonoylethanolamine (or Anandamide, AEA), a putative endogenous ligand of the cannabinoid receptor, into cerebellar granule cells occurs by means of facilitated diffusion.

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