Target type: biologicalprocess
The chemical reactions and pathways resulting in the formation of ceramides, any N-acylated sphingoid. [GOC:ai]
Ceramide biosynthesis is a fundamental process in cellular metabolism, playing a crucial role in a variety of cellular functions, including cell growth, differentiation, apoptosis, and stress response. This process involves the synthesis of ceramide, a sphingolipid that acts as a key signaling molecule and structural component of cellular membranes.
The de novo synthesis of ceramide begins with the condensation of palmitoyl-CoA and serine, catalyzed by serine palmitoyltransferase (SPT), to form 3-ketodihydrosphingosine. This reaction occurs in the endoplasmic reticulum (ER) and is the rate-limiting step in ceramide biosynthesis.
3-ketodihydrosphingosine is then reduced to dihydrosphingosine by 3-ketodihydrosphingosine reductase. Subsequently, dihydrosphingosine is acylated by ceramide synthase (CerS) with a long-chain fatty acid, typically palmitic acid, to produce dihydroceramide.
Finally, dihydroceramide is desaturated to form ceramide by dihydroceramide desaturase (DES1).
There are six known CerS isoforms in mammals, each exhibiting distinct fatty acid chain length preferences. The different CerS isoforms contribute to the diversity of ceramide species, which exhibit distinct biological activities.
Ceramide biosynthesis is tightly regulated by various factors, including nutritional status, hormones, and stress signals. The regulation of ceramide synthesis is crucial for maintaining cellular homeostasis and preventing disease.
Deregulation of ceramide biosynthesis has been implicated in various diseases, including cancer, diabetes, neurodegenerative disorders, and cardiovascular disease.
In conclusion, ceramide biosynthesis is a complex and highly regulated process essential for normal cellular function. The production of ceramide, a key signaling molecule and structural component of cellular membranes, plays a crucial role in diverse cellular processes. The deregulation of this pathway can contribute to the development of various diseases.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Sphingomyelin phosphodiesterase | [no definition available] | Bos taurus (cattle) |
| Phosphatidylcholine:ceramide cholinephosphotransferase 1 | A phosphatidylcholine:ceramide cholinephosphotransferase 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q86VZ5] | Homo sapiens (human) |
| Serine palmitoyltransferase 2 | A serine palmitoyltransferase 2 that is encoded in the genome of human. [PRO:CNA] | Homo sapiens (human) |
| Phosphatidylcholine:ceramide cholinephosphotransferase 2 | A phosphatidylcholine:ceramide cholinephosphotransferase 2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q8NHU3] | Homo sapiens (human) |
| Sphingomyelin phosphodiesterase 2 | A sphingomyelin phosphodiesterase 2 that is encoded in the genome of human. [PRO:DNx, UniProtKB:O60906] | Homo sapiens (human) |
| Serine palmitoyltransferase 1 | A serine palmitoyltransferase 1 that is encoded in the genome of human. [PRO:CNA] | Homo sapiens (human) |
| P2X purinoceptor 7 | A P2X purinoceptor 7 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q99572] | Homo sapiens (human) |
| Phosphatidylcholine:ceramide cholinephosphotransferase 1 | A phosphatidylcholine:ceramide cholinephosphotransferase 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q86VZ5] | Homo sapiens (human) |
| Acid ceramidase | An acid ceramidase that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q13510] | Homo sapiens (human) |
| P2X purinoceptor 1 | A P2X purinoceptor 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P51575] | Homo sapiens (human) |
| Sphingomyelin phosphodiesterase | A sphingomyelin phosphodiesterase that is encoded in the genome of human. [PRO:DNx, UniProtKB:P17405] | Homo sapiens (human) |
| Lysosomal acid glucosylceramidase | A lysosomal acid glucosylceramidase that is encoded in the genome of human. [PRO:DNx, UniProtKB:P04062] | Homo sapiens (human) |
| Serine palmitoyltransferase 2 | A serine palmitoyltransferase 2 that is encoded in the genome of human. [PRO:CNA] | Homo sapiens (human) |
| Serine palmitoyltransferase 1 | A serine palmitoyltransferase 1 that is encoded in the genome of human. [PRO:CNA] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| pyridoxal phosphate | pyridoxal 5'-phosphate : The monophosphate ester obtained by condensation of phosphoric acid with the primary hydroxy group of pyridoxal. Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE). | methylpyridines; monohydroxypyridine; pyridinecarbaldehyde; vitamin B6 phosphate | coenzyme; cofactor; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; Escherichia coli metabolite; human metabolite; mouse metabolite; Saccharomyces cerevisiae metabolite |
| ambroxol | Ambroxol: A metabolite of BROMHEXINE that stimulates mucociliary action and clears the air passages in the respiratory tract. It is usually administered as the hydrochloride. | aromatic amine | |
| carmofur | organohalogen compound; pyrimidines | ||
| 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 |
| fendiline | Fendiline: Coronary vasodilator; inhibits calcium function in muscle cells in excitation-contraction coupling; proposed as antiarrhythmic and antianginal agents. | diarylmethane | |
| imipramine | imipramine : A dibenzoazepine that is 5H-dibenzo[b,f]azepine substituted by a 3-(dimethylamino)propyl group at the nitrogen atom. Imipramine: The prototypical tricyclic antidepressant. It has been used in major depression, dysthymia, bipolar depression, attention-deficit disorders, agoraphobia, and panic disorders. It has less sedative effect than some other members of this therapeutic group. | dibenzoazepine | adrenergic uptake inhibitor; antidepressant; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
| oxatomide | oxatomide : A member of the class of benzimidazoles that is 1,3-dihydro-2H-benzimidazol-2-one substituted by a 3-[4-(diphenylmethyl)piperazin-1-yl]propyl group at position 1. It is an anti-allergic drug. oxatomide: structure; an anti-allergic & an anti-asthmatic | benzimidazoles; diarylmethane; N-alkylpiperazine | anti-allergic agent; anti-inflammatory agent; geroprotector; H1-receptor antagonist; serotonergic antagonist |
| pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid | 5'-phosphopyridoxal-6-azobenzene-2,4-disulfonic acid : An arenesulfonic acid that is pyridoxal 5'-phosphate carrying an additional 2,4-disulfophenylazo substituent at position 6. pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid: a novel antagonist that selectively blocks P2 purinoceptor receptors; a useful tool to study co-transmission in tissues when ATP and coexisting neurotransmitters act in concert | arenesulfonic acid; azobenzenes; methylpyridines; monohydroxypyridine; organic phosphate; pyridinecarbaldehyde | purinergic receptor P2X antagonist |
| suramin | suramin : A member of the class of phenylureas that is urea in which each of the amino groups has been substituted by a 3-({2-methyl-5-[(4,6,8-trisulfo-1-naphthyl)carbamoyl]phenyl}carbamoyl)phenyl group. An activator of both the rabbit skeletal muscle RyR1 and sheep cardiac RyR2 isoform ryanodine receptor channels, it has been used for the treatment of human African trypanosomiasis for over 100 years. Suramin: A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties. | naphthalenesulfonic acid; phenylureas; secondary carboxamide | angiogenesis inhibitor; antinematodal drug; antineoplastic agent; apoptosis inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; GABA antagonist; GABA-gated chloride channel antagonist; purinergic receptor P2 antagonist; ryanodine receptor agonist; trypanocidal drug |
| adenosine diphosphate | Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
| beta-glucono-1,5-lactone | beta-glucono-1,5-lactone: structure D-glucono-1,5-lactone : An aldono-1,5-lactone obtained from D-gluconic acid. | aldono-1,5-lactone; gluconolactone | animal metabolite; mouse metabolite |
| diadenosine tetraphosphate | P(1),P(4)-bis(5'-adenosyl) tetraphosphate : A diadenosyl tetraphosphate compound having the two 5'-adenosyl residues attached at the P(1)- and P(4)-positions. | diadenosyl tetraphosphate | Escherichia coli metabolite; mouse metabolite |
| arylid | |||
| 1-deoxynojirimycin | 1-deoxy-nojirimycin: structure in first source duvoglustat : An optically active form of 2-(hydroxymethyl)piperidine-3,4,5-triol having 2R,3R,4R,5S-configuration. | 2-(hydroxymethyl)piperidine-3,4,5-triol; piperidine alkaloid | anti-HIV agent; anti-obesity agent; bacterial metabolite; EC 3.2.1.20 (alpha-glucosidase) inhibitor; hepatoprotective agent; hypoglycemic agent; plant metabolite |
| miglustat | miglustat : A hydroxypiperidine that is deoxynojirimycin in which the amino hydrogen is replaced by a butyl group. miglustat: a glucosylceramide synthase inhibitor | piperidines; tertiary amino compound | anti-HIV agent; EC 2.4.1.80 (ceramide glucosyltransferase) inhibitor |
| n-phenylphthalimide | N-phenylphthalimide: structure given in first source | ||
| N-Benzylphthalimide | isoindoles | ||
| 1-(10h-phenothiazin-2-yl)ethanone | 1-(10H-phenothiazin-2-yl)ethanone: structure in first source | phenothiazines | |
| 5'-adenylyl (beta,gamma-methylene)diphosphonate | 5'-adenylyl (beta,gamma-methylene)diphosphonate: do not confuse with alpha,beta-methyleneadenosine 5'-triphosphate | nucleoside triphosphate analogue | |
| alpha,beta-methyleneadenosine 5'-triphosphate | alpha,beta-methyleneadenosine 5'-triphosphate: do not confuse with beta,gamma-methylene ATP; RN given refers to parent cpd | nucleoside triphosphate analogue | |
| mor-14 | N-methyldeoxynojirimycin: glucosidase inhibitor | hydroxypiperidine; piperidine alkaloid; tertiary amino compound | anti-HIV agent; cardioprotective agent; EC 3.2.1.20 (alpha-glucosidase) inhibitor; plant metabolite |
| malabaricone c | malabaricone C: from maize (Myristica fragrans); structure given in first source | butanone | metabolite |
| 1,2,3,4-tetrahydroxy-nor-tropane | calystegine B(2): RN given for (2-endo,3-exo,4-endo)-isomer; structure in first source | ||
| 2-(n-myristoylamino)-1-phenyl-1-propanol | 2-(N-myristoylamino)-1-phenyl-1-propanol: ceramidase inhibitor; RN given for ((R*,S*)-(+-))-isomer; structure in first source | alkylbenzene | |
| homonojirimycin | homonojirimycin: inhibits alpha-glucosidase; RN given for (2R-(2alpha,3alpha,4beta,5alpha,6beta))-isomer; structure in first source | ||
| malabaricone b | malabaricone B: from maize (Myristica fragrans); structure given in first source | ||
| cyclophellitol | cyclophellitol: structure given in first source; isolated from Phellinus sp. | ||
| sb 203580 | imidazoles; monofluorobenzenes; pyridines; sulfoxide | EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor; geroprotector; Hsp90 inhibitor; neuroprotective agent | |
| calystegine a3 | calystegine A3: also inhibits beta-xylosidase; structure in first source | ||
| inositol 2,4,6-triphosphate | |||
| malabaricone a | malabaricone A: from Myristica malabarica (rampatri), has antipromastigote activity; structure in first source | ||
| adenosine 5'-o-(3-thiotriphosphate) | adenosine 5'-[gamma-thio]triphosphate : A nucleoside triphosphate analogue that is ATP in which one of the oxygens attached to 3-phosphate group is replaced by sulfur. adenosine 5'-O-(3-thiotriphosphate): RN given refers to cpd with unspecified locant for thio group; see also records for 1-thio & 2-thio-isomers | nucleoside triphosphate analogue | |
| miglitol | piperidines | ||
| isofagomine | piperidines | ||
| n-nonyl-1-deoxynojirimycin | N-nonyldeoxynojirimycin : A hydroxypiperidine that is deoxynojirimycin (duvoglustat) in which the amino hydrogen is replaced by a nonyl group. | hydroxypiperidine; tertiary amino compound | antiviral agent; EC 3.2.1.20 (alpha-glucosidase) inhibitor; EC 3.2.1.45 (glucosylceramidase) inhibitor |
| 1-(1-benzimidazolyl)-3-(1-cyclohex-3-enylmethoxy)-2-propanol | benzimidazoles | ||
| 2-(2-phenylethylthio)-3-pyridinecarboxylic acid | aromatic carboxylic acid; pyridines | ||
| 4-(2-furanylmethyl)-3-(phenylmethyl)-1H-1,2,4-triazole-5-thione | benzenes | ||
| 2-[[4-(4-chloroanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | dialkylarylamine; tertiary amino compound | ||
| 4-(benzenesulfonamido)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)benzamide | sulfonamide | ||
| tamoxifen | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator | |
| 8-azidoadenosine 5'-triphosphate | |||
| 4-oxido-3-(4-phenoxyphenyl)-4a,5,6,7,8,8a-hexahydroquinoxalin-1-ium 1-oxide | aromatic ether | ||
| 6-thioinosine-5'-triphosphate | organic molecule | ||
| 2-[[4-(3-methylanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | dialkylarylamine; tertiary amino compound | ||
| 2-(1-benzo[e]benzofuranyl)-N-[4-methoxy-3-(4-morpholinylsulfonyl)phenyl]acetamide | naphthofuran | ||
| d 609 | |||
| N-(1-benzylpiperidin-4-yl)-2-(pyridin-3-yl)quinazolin-4-amine | N-(1-benzylpiperidin-4-yl)-2-(pyridin-3-yl)quinazolin-4-amine : A member of the class of quinazolines that is quinazoline which is substituted by a pyridin-3-yl group and a (1-benzylpiperidin-4-yl)nitrilo group at positions 2 and 4, respectively. | aromatic amine; piperidines; pyridines; quinazolines; secondary amino compound; tertiary amino compound | |
| mrs2159 | MRS2159: an antagonist of both P2X1 and P2X7 receptors | ||
| N-[4-methyl-2-(4-morpholinyl)-6-quinolinyl]cyclohexanecarboxamide | aminoquinoline | ||
| imd 0354 | N-(3,5-bis(trifluoromethyl)phenyl)-5-chloro-2-hydroxybenzamide: a cardioprotective agent that inhibits IkappaB kinase beta (IKKbeta); structure in first source | benzamides | |
| 2-(2-methoxyanilino)-2-(2-phenylmethoxyphenyl)acetonitrile | aromatic ether; substituted aniline | ||
| mangostin | alpha-mangostin : A member of the class of xanthones that is 9H-xanthene substituted by hydroxy group at positions 1, 3 and 6, a methoxy group at position 7, an oxo group at position 9 and prenyl groups at positions 2 and 8. Isolated from the stems of Cratoxylum cochinchinense, it exhibits antioxidant, antimicrobial and antitumour activities. mangostin: xanthone from rind of Garcinia mangostana Linn. fruit | aromatic ether; phenols; xanthones | antimicrobial agent; antineoplastic agent; antioxidant; plant metabolite |
| ginkgolic acid | hydroxybenzoic acid | ||
| n-oleoylethanolamine | N-oleoylethanolamine: ceramidase inhibitor oleoyl ethanolamide : An N-(long-chain-acyl)ethanolamine that is the ethanolamide of oleic acid. The monounsaturated analogue of the endocannabinoid anandamide. | endocannabinoid; N-(long-chain-acyl)ethanolamine; N-acylethanolamine 18:1 | EC 3.5.1.23 (ceramidase) inhibitor; geroprotector; PPARalpha agonist |
| 2-methylthio-atp | 2-methylthio-ATP: purinergic receptors agonist; relaxes mammalian gut preparations; structure given in first source | ||
| adp beta s | adenosine 5'-O-(2-thiodiphosphate): partial agonist toward platelet aggregation; see also record for 1-thiodiphosphate cpd | ||
| kn 62 | KN 62: inhibitor of Ca/calmodulin-dependent protein kinase II | piperazines | |
| nf023 | |||
| nf 449 | |||
| thermozymocidin | thermozymocidin: a serine palmitoyltransferase inhibitor; FTY720 is an analog | alpha-amino fatty acid; hydroxy monocarboxylic acid; non-proteinogenic alpha-amino acid; sphingoid | antifungal agent; antimicrobial agent; antineoplastic agent; apoptosis inducer; EC 2.3.1.50 (serine C-palmitoyltransferase) inhibitor; fungal metabolite; immunosuppressive agent |
| az 11645373 | AZ 11645373: InChIKey: VQEHBLGYANQWEA-UHFFFAOYSA-N | ||
| n-(5-adamantane-1-yl-methoxy-pentyl)deoxynojirimycin | |||
| ogt2378 | sinbaglustat: an antineopl agent; structure in first source | ||
| nnc 26-9100 | NNC 26-9100: structure in first source | aminopyridine | |
| az10606120 | AZ10606120: a P2X7 receptor antagonist | ||
| scyphostatin | scyphostatin: a neutral sphingomyelinase inhibitor isolated from Trichopeziza mollissima; structure in first source | cyclohexenones | |
| ce 224,535 | CE 224,535: structure in first source | ||
| a-438079 | |||
| af 353 | 5-(5-iodo-2-isopropyl-4-methoxyphenoxy)pyrimidine-2,4-diamine: a P2X3 and P2X2/3 receptor antagonist; structure in first source | ||
| 2-[[4-[2-[(2-methylpropan-2-yl)oxy]anilino]-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | aromatic ether | ||
| 2-[[4-(5-chloro-2-methoxyanilino)-6-(1-piperidinyl)-1,3,5-triazin-2-yl]amino]ethanol | methoxybenzenes; substituted aniline | ||
| 2-[[4-(4-methylanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | dialkylarylamine; tertiary amino compound | ||
| 2-[[4-(2-chloroanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | dialkylarylamine; tertiary amino compound | ||
| 2-[[4-(2-methoxyanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | methoxybenzenes; substituted aniline | ||
| 2-[[4-(3-methoxyanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | methoxybenzenes; substituted aniline | ||
| 2-[[4-(4-methoxyanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | methoxybenzenes; substituted aniline | ||
| 2-[[4-(2-hydroxyethylamino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]phenol | dialkylarylamine; tertiary amino compound | ||
| 2-[[4-(2-phenoxyanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | aromatic ether | ||
| 2-[[4-(1-pyrrolidinyl)-6-[2-(trifluoromethoxy)anilino]-1,3,5-triazin-2-yl]amino]ethanol | aromatic ether | ||
| 2-[[4-(5-chloro-2-ethoxyanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | aromatic ether | ||
| 2-[[4-(5-chloro-2-propan-2-yloxyanilino)-6-(1-pyrrolidinyl)-1,3,5-triazin-2-yl]amino]ethanol | aromatic ether | ||
| gsk1482160 | |||
| a-839977 | A-839977: a selective P2X7 receptor antagonist, analgesic; structure in first source | ||
| jnj-47965567 | JNJ-47965567: a P2X7 purinergic receptor antagonist; structure in first source | ||
| mk-8742 | elbasvir : A complex organic heterotetracyclic compound that is a hepatitis C virus nonstructural protein 5A inhibitor used in combination with grazoprevir (under the brand name Zepatier) for treatment of chronic HCV genotypes 1 or 4 infection in adults. elbasvir: inhibits NS5A protein of hepatitis C virus | carbamate ester; imidazoles; L-valine derivative; N-acylpyrrolidine; organic heterotetracyclic compound; ring assembly | antiviral drug; hepatitis C virus nonstructural protein 5A inhibitor; hepatoprotective agent |