Knowledge (XXG)

Ceramide

Source πŸ“

258:, with the end goal of producing sphingosine. In the case of glycosphingolipids, exohydrolases acting at acidic pH optima cause the stepwise release of monosaccharide units from the end of the oligosaccharide chains, leaving just the sphingosine portion of the molecule, which may then contribute to the generation of ceramides. Ceramide can be further hydrolyzed by acid ceramidase to form sphingosine and a free fatty acid, both of which are able to leave the lysosome, unlike ceramide. The long-chain sphingoid bases released from the lysosome may then re-enter pathways for synthesis of ceramide and/or 39: 2531: 409:. This suggests a role for ceramide in the biological responses of all these agents. Because of its apoptosis-inducing effects in cancer cells, ceramide has been termed the "tumor suppressor lipid". Several studies have attempted to define further the specific role of ceramide in the events of cell death and some evidence suggests ceramide functions upstream of the 31: 1767:
Merleev, Alexander A.; Le, Stephanie T.; Alexanian, Claire; Toussi, Atrin; Xie, Yixuan; Marusina, Alina I.; Watkins, Steven M.; Patel, Forum; Billi, Allison C.; Wiedemann, Julie; Izumiya, Yoshihiro; Kumar, Ashish; Uppala, Ranjitha; Kahlenberg, J. Michelle; Liu, Fu-Tong; Adamopoulos, Iannis E.; Wang,
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Merleev, AA; Le, ST; Alexanian, C; Toussi, A; Xie, Y; Marusina, AI; Watkins, SM; Patel, F; Billi, AC; Wiedemann, J; Izumiya, Y; Kumar, A; Uppala, R; Kahlenberg, JM; Liu, FT; Adamopoulos, IE; Wang, EA; Ma, C; Cheng, MY; Xiong, H; Kirane, A; Luxardi, G; Andersen, B; Tsoi, LC; Lebrilla, CB; Gudjonsson,
617:, allowing them to serve as platforms for signalling molecules. Moreover, as rafts on one leaflet of the membrane can induce localized changes in the other leaflet of the bilayer, they can potentially serve as the link between signals from outside the cell to signals to be generated within the cell. 433:
and free fatty acids, ceramides form the lipid mortar, a water-impermeable barrier that prevents evaporative water loss. As a general rule of thumb, the epidermal lipid matrix is composed of an equimolar mixture of ceramides (~50% by weight), cholesterol (~ 25% by weight), and free fatty acids (~15%
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The diversity of ceramide structures undoubtedly plays an important role in the unique attributes of the stratum corneum across different body sites. For example, the stratum corneum of the face is thin and flexible to accommodate different facial expressions. In contrast, the stratum corneum
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patients, other investigators have reported that rather than focusing on ceramide classes, ceramide sphingoid base length and fatty acid chain length have the strongest influence on the likelihood of a particular ceramide structure being upregulated or downregulated in inflamed skin.
397:, is essential for the maintenance of normal cellular homeostasis and is an important physiological response to many forms of cellular stress. Ceramide accumulation has been found following treatment of cells with a number of apoptotic agents, including ionizing radiation, 450:
covering the heel of the foot is thick and rigid to protect against trauma. Matching these structural changes, there are body-site specific alterations in the epidermal lipidome, including changes in the relative abundance of the different epidermal ceramide structures.
318:(MACE), namely C16:0, C18:0, and C24:1, although C24:0 has an inverse relationship. C16-C18 are harmful in the liver. Ceramide levels are positively correlated with inflammation and oxidative stress in the liver, and the onset and progression of 437:
Epidermal ceramides have a diversity of structures and can be broadly classified as AS and NS ceramides; ADS and NDS dihydroceramides; AH, EOH, and NH 6-hydroxyceramides; AP and NP phytoceramides; and EOH and EOS acylceramides, see figure.
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of cells, the implications of this method of generating ceramide is that the cellular membrane is the target of extracellular signals leading to programmed cell death. There has been research suggesting that when ionizing
461:, investigators have reported an increase in AS and NS ceramides and a decrease in EOS, AP, and NP ceramides, which may contribute to a defect in the skin's water impermeability barrier. Studying ceramide expression in 1768:
Elizabeth A.; Ma, Chelsea; Cheng, Michelle Y.; Xiong, Halani; Kirane, Amanda; Luxardi, Guillaume; Andersen, Bogi; Tsoi, Lam C.; Lebrilla, Carlito B.; Gudjonsson, Johann E.; Maverakis, Emanual (22 August 2022).
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Garidel P, FΓΆlting B, Schaller I, Kerth A (2010). "The microstructure of the stratum corneum lipid barrier: mid-infrared spectroscopic studies of hydrated ceramide:palmitic acid:cholesterol model systems".
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in inducing apoptosis. However, owing to the conflicting and variable nature of studies into the role of ceramide in apoptosis, the mechanism by which this lipid regulates apoptosis remains elusive.
656:. They are also used in cosmetic products such as some soaps, shampoos, skin creams, and sunscreens. Additionally, ceramides are being explored as a potential therapeutic in treating cancer. 453:
Similar to body site-specific alterations in ceramide abundance, there are also well-characterized changes in epidermal ceramide expression in patients with inflammatory skin diseases. In the
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There are three major pathways of ceramide generation. First, the sphingomyelinase pathway uses an enzyme to break down sphingomyelin in the cell membrane and release ceramide. Second, the
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Li Z, Basterr MJ, Hailemariam TK, Hojjati MR, Lu S, Liu J, Liu R, Zhou H, Jiang XC (2005). "The effect of dietary sphingolipids on plasma sphingomyelin metabolism and atherosclerosis".
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Ceramide has also been shown to form organized large channels traversing the mitochondrial outer membrane. This leads to the egress of proteins from the intermembrane space.
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expression. An elevated level of ceramide can cause insulin resistance by inhibiting the ability of insulin to activate the 
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Holland WL, Bikman BT, Wang LP, Yuguang G, Sargent KM, Bulchand S, Knotts TA, Shui G, Clegg DJ, Wenk MR, Pagliassotti MJ, Scherer PE, Summers SA (2011).
291:, cell migration and adhesion. Roles for ceramide and its downstream metabolites have also been suggested in a number of pathological states including 270:
or in endoplasmic reticulum-associated membranes. The salvage pathway has been estimated to contribute from 50% to 90% of sphingolipid biosynthesis.
1107:"Lipid-induced insulin resistance mediated by the proinflammatory receptor TLR4 requires saturated fatty acid-induced ceramide biosynthesis in mice" 429:. It is composed of terminally differentiated and enucleated corneocytes that reside within a lipid matrix, like "bricks and mortar." Together with 334:. Although initial studies showed increased insulin resistance in muscle, subsequent studies also showed increased insulin resistance in liver and 2589: 234:
by either vesicular trafficking or the ceramide transfer protein CERT. Once in the Golgi apparatus, ceramide can be further metabolized to other
338:. Interventions that limit ceramide synthesis or increase ceramide degradation lead to improved health (reduced insulin resistance and reduced 254:
Constitutive degradation of sphingolipids and glycosphingolipids takes place in the acidic subcellular compartments, the late endosomes and the
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Velasco, G; Galve-Roperh, I; SΓ‘nchez, C; BlΓ‘zquez, C; Haro, A; GuzmΓ‘n, M (2005). "Cannabinoids and ceramide: Two lipids acting hand-by-hand".
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by weight), with smaller quantities of other lipids also being present. The lipid barrier also protects against the entry of microorganisms.
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Mehra VC, Jackson E, Zhang XM, Jiang XC, Dobrucki LW, Yu J, Bernatchez P, Sinusas AJ, Shulman GI, Sessa WC, Yarovinsky TO, Bender JR (2014).
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Minamino, Miki; Sakaguchi, Ikuyo; Naka, Takashi; Ikeda, Norikazu; Kato, Yoshiko; Tomiyasu, Ikuko; Yano, Ikuya; Kobayashi, Kazuo (2003).
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in some cells, the radiation leads to the activation of sphingomyelinase in the cell membrane and ultimately, to ceramide generation.
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Wehbe, Zeinab; Behringer, Sidney; Alatibi, Khaled; Watkins, David; Rosenblatt, David; Spiekerkoetter, Ute; Tucci, Sara (2019-11-01).
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Motta, S; Monti, M; Sesana, S; Caputo, R; Carelli, S; Ghidoni, R (8 September 1993). "Ceramide composition of the psoriatic scale".
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Ceramides may be found as ingredients of some topical skin medications used to complement treatment for skin conditions such as
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pathway creates ceramide from less complex molecules. Third, in the "salvage" pathway, sphingolipids that are broken down into
1770:"Biogeographic and disease-specific alterations in epidermal lipid composition and single-cell analysis of acral keratinocytes" 1530:"Biogeographic and disease-specific alterations in epidermal lipid composition and single-cell analysis of acral keratinocytes" 2865: 1823: 262:. The salvage pathway re-utilizes long-chain sphingoid bases to form ceramide through the action of ceramide synthase. Thus, 2546: 3168: 2154:
Stiban J, Fistere D, Colombini M (2006). "Dihydroceramide hinders ceramide channel formation: Implications on apoptosis".
3315: 1053:"Insights into the roles and pathomechanisms of ceramide and sphigosine-1-phosphate in nonalcoholic fatty liver disease" 211: 2582: 1422:
Dbaibo GS, El-Assaad W, Krikorian A, Liu B, Diab K, Idriss NZ, El-Sabban M, Driscoll TA, Perry DK, Hannun YA (2001).
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found in cell membrane were purely supporting structural elements, ceramide can participate in a variety of cellular
223: 1246:"Ceramide-activated phosphatase mediates fatty acid-induced endothelial VEGF resistance and impaired angiogenesis" 3072: 2848: 2033:
Hallahan DE (1996). "Radiation-mediated gene expression in the pathogenesis of the clinical radiation response".
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Ceramides induce skeletal muscle insulin resistance when synthesized as a result of saturated fat activation of
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Hannun, Y.A.; Obeid, L.M. (2008). "Principles of bioactive lipid signalling: lessons from sphingolipids".
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Epidermal Ceramides. (Merleev et. al., JCI Insight 2022, Supplemental Data p.14- Supplemental Fig. 1)
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As a bioactive lipid, ceramide has been implicated in a variety of physiological functions including
219: 96: 38: 2105:"Ceramide Channels Increase the Permeability of the Mitochondrial Outer Membrane to Small Proteins" 2003: 681: 339: 2881: 2355: 3340: 3285: 3214: 3204: 2967: 2916: 2911: 2840: 2753: 2639: 2179: 1893: 1602: 1453: 845: 551: 487: 331: 243: 215: 100: 3022: 2957: 2891: 1424:"Ceramide generation by two distinct pathways in tumor necrosis factor alpha-induced cell death" 353:
does not have this effect. Ceramides induce insulin resistance in many tissues by inhibition of
3199: 3122: 3107: 3077: 3032: 2997: 2992: 2931: 2926: 636:, a massive altered composition of complex lipids occurs as a result of impaired mitochondrial 389:
One of the most studied roles of ceramide pertains to its function as a proapoptotic molecule.
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family members probably trap free sphingosine released from the lysosome at the surface of the
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and is the rate-limiting step of the pathway. In turn, 3-keto-dihydrosphingosine is reduced to
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Hill JR, Wertz PW (2009). "Structures of the ceramides from porcine palatal stratum corneum".
1559: 1502: 1473:"A house divided: ceramide, sphingosine, and sphingosine-1-phosphate in programmed cell death" 1445: 1404: 1363: 1314: 1277: 1226: 1189: 1138: 1084: 1028: 1001: 970: 929: 894: 837: 799: 745: 727: 665: 462: 296: 263: 145: 3112: 3102: 3092: 3017: 2972: 1868:
Febbraio, Mark (2014). "Role of interleukins in obesity:implications for metabolic disease".
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head group. CPE is the major sphingolipid class in some invertebrates such as members of
2803: 2536: 2487:"Bacterial ceramides and sphingophospholipids induce apoptosis of human leukaemic cells" 2837: 2598: 2462: 2435: 2332: 2297: 2223: 2198: 2131: 2104: 1946: 1919: 1845: 1818: 1794: 1769: 1554: 1529: 1497: 1472: 1272: 1245: 1184: 1157: 1133: 1106: 1079: 1052: 1023: 996: 912:
Zeidan, Y.H.; Hannun, Y.A. (2007). "Translational aspects of sphingolipid metabolism".
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is noticeably increased, the concentration of ceramides is proportionally decreased.
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Dbaibo GS, Pushkareva MY, Rachid RA, Alter N, Smyth MJ, Obeid LM, Hannun YA (1998).
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Kogot-Levin A, Saada A (2014). "Ceramide and the mitochondrial respiratory chain".
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Currently, the means by which ceramide acts as a signaling molecule are not clear.
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to form 3-keto-dihydrosphingosine. This reaction is catalyzed by the enzyme
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Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids
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Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids
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Yang G, Badeanlou L, Bielawski J, Roberts AJ, Hannun YA, Samad F (2009).
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Chavez JA, Siddique MM, Wang ST, Ching J, Shayman JA, Summers SA (2014).
479: 300: 17: 1070: 865:"The sphingolipid salvage pathway in ceramide metabolism and signaling" 304: 3275: 3151: 1124: 653: 491: 483: 292: 207: 1349: 833: 1381:
Rotolo JA, Zhang J, Donepudi M, Lee H, Fuks Z, Kolesnick R (2005).
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Davis, Deanna; Kannan, Muthukumar; Wattenberg, Binks (2018-12-01).
30: 2602: 997:"Cholesterol - the devil you know; ceramide - the devil you don't" 690:. In contrast, mammalian cells contain only small amounts of CPE. 633: 128: 56: 37: 29: 947:
Wu D, Ren Z, Pae M, Guo W, Cui X, Merrill AH, Meydani SN (2007).
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Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease
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by ceramide causes LDL retention in arterial walls, leading to
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Haimovitz-Friedman A, Kan CC, Ehleiter D, et al. (1994).
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De novo synthesis of ceramide begins with the condensation of
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Ceramide is rarely found in bacteria. Bacteria of family
222:. The final reaction to produce ceramide is catalyzed by 71:. Ceramides are found in high concentrations within the 34:
Ceramide. R represents the alkyl portion of a fatty acid.
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has been shown to increase serum ceramide and increase
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and/or via the activation of 
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Zhu C, Huai Q, Zhang X, Dai H, Li X, Wang H (2023).
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cells, since they are component lipids that make up
3250: 3213: 3190: 3167: 3150: 2940: 2864: 2847: 2785: 2762: 2743: 2724: 2705: 2671: 2660: 2625: 2436:"Apoptotic Sphingolipid Ceramide in Cancer Therapy" 1477:Biochimica et Biophysica Acta (BBA) - Biomembranes 496:insulin signal transduction pathway 177:. Because sphingomyelin is one of the four common 1920:"Ceramide: a common pathway for atherosclerosis?" 863:Kitatani K, Idkowiak-Baldys J, Hannun YA (2008). 640:(mtFAS). For example, while the concentration of 605:One hypothesis is that ceramide generated in the 373:(PP2A). In mitochondria, ceramide suppresses the 613:and stabilizes smaller lipid platforms known as 322:(NAFLD) is associated with elevated ceramide in 1969:Whitney P. Bowe; Leon H. Kircik (August 2014). 1913: 1911: 1909: 1907: 1684: 1682: 1618: 1616: 226:. De novo synthesis of ceramide occurs in the 2434:Huang, WC; Chen, CL; Lin, YS; Lin, CF (2011). 2197:Siskind LJ, Kolesnick RN, Colombini M (2006). 2103:Siskind LJ, Kolesnick RN, Colombini M (2002). 1100: 1098: 1046: 1044: 1042: 990: 988: 986: 984: 815: 813: 506:Substances known to induce ceramide generation 230:. Ceramide is subsequently transported to the 2819: 2583: 763: 761: 759: 714:. Sphingolipid Signaling in Chronic Disease. 8: 2387:. Cosmetic Ingredient Review. May 16, 2014. 1058:International Journal of Biological Sciences 995:Tippetts TS, Holland WL, Summers SA (2021). 598:Mechanism by which ceramide signaling occurs 314:Several distinct ceramides potently predict 287:, cell growth arrest, differentiation, cell 630:combined malonic and methylmalonic aciduria 3215: 3164: 2861: 2826: 2812: 2804: 2668: 2590: 2576: 2568: 2560:at the U.S. National Library of Medicine 2502: 2461: 2451: 2331: 2313: 2222: 2130: 2120: 1945: 1844: 1793: 1708: 1553: 1496: 1439: 1398: 1357: 1271: 1183: 1173: 1132: 1078: 1022: 964: 888: 793: 739: 2947:Tooltip Sphingosine-1-phosphate receptor 1918:Bismuth J, Lin P, Yao Q, Chen C (2008). 676:Ceramide phosphoethanolamine (CPE) is a 482:in obese mice may lead to both improved 440: 698: 3281:3-Ketosphinganine (dehydrosphingosine) 2871:Tooltip Lysophosphatidic acid receptor 2416: 2405: 1870:Trends in Endocrinology and Metabolism 478:Inhibition of ceramide synthesis with 3174:Tooltip Serine C-palmitoyltransferase 3003:Dihydro-S1P (sphinganine 1-phosphate) 2394:from the original on January 13, 2021 2244: 2242: 1938:10.1016/j.atherosclerosis.2007.09.018 1522: 1520: 1518: 1516: 1471:Taha TA, Mullen TD, Obeid LM (2006). 822:Nature Reviews Molecular Cell Biology 59:molecules. A ceramide is composed of 7: 1528:JE; Maverakis, E (22 August 2022). 316:major adverse cardiovascular events 1665:. New York: Taylor & Francis. 1002:Trends in Pharmacological Sciences 25: 2362:from the original on 6 April 2016 2302:Orphanet Journal of Rare Diseases 2014:from the original on 12 July 2021 1251:The American Journal of Pathology 1112:Journal of Clinical Investigation 712:Advances in Biological Regulation 320:non-alcoholic fatty liver disease 83:, one of the major lipids in the 3286:Dihydrosphingosine (sphinganine) 2529: 1985:from the original on 2022-01-02 1975:Journal of Drugs in Dermatology 1162:Journal of Biological Chemistry 140:Pathways for ceramide synthesis 1824:American Journal of Physiology 680:consisted of a ceramide and a 425:is the outermost layer of the 95:: examples include regulating 27:Family of waxy lipid molecules 1: 3316:Receptor/signaling modulators 2047:10.1016/S1053-4296(96)80021-X 1441:10.1016/S0014-5793(01)02625-4 881:10.1016/j.cellsig.2007.12.006 132:. Ceramide is a component of 2267:10.1016/j.bbalip.2019.07.012 1746:10.1016/0925-4439(93)90135-n 1489:10.1016/j.bbamem.2006.10.018 1311:10.1016/j.biochi.2013.07.027 1264:10.1016/j.ajpath.2014.01.009 1223:10.1016/j.bbalip.2005.05.004 926:10.1016/j.molmed.2007.06.002 672:Ceramide phosphoethanolamine 543:Hydroxypalmitoyl Sphinganine 212:serine palmitoyl transferase 966:10.4049/jimmunol.179.7.4829 724:10.1016/j.jbior.2018.08.002 173:is catalyzed by the enzyme 3357: 3220:Tooltip Sphingosine kinase 2296:Tucci, Sara (2020-01-22). 2215:10.1016/j.mito.2006.03.002 1837:10.1152/ajpendo.91014.2008 1786:10.1172/jci.insight.159762 1710:10.1194/jlr.R700013-JLR200 1546:10.1172/jci.insight.159762 1015:10.1016/j.tips.2021.10.001 377:and induces production of 303:, microbial pathogenesis, 224:dihydroceramide desaturase 3309: 2315:10.1186/s13023-020-1299-7 2168:10.1007/s10495-006-5882-8 2082:10.1016/j.lfs.2005.05.015 1882:10.1016/j.tem.2014.02.004 1696:Journal of Lipid Research 1640:10.1016/j.bpc.2010.03.008 1591:10.1007/s11745-009-3283-9 953:The Journal of Immunology 628:In the metabolic disease 557:Matrix metalloproteinases 2562:Medical Subject Headings 591:1,25 Dihydroxy vitamin D 486:signaling and decreased 375:electron transport chain 162:Sphingomyelin hydrolysis 2793:Sphingosine-1-phosphate 2619:metabolic intermediates 1175:10.1074/jbc.M113.522847 668:, however, contain it. 567:Reactive oxygen species 521:Chemotherapeutic agents 407:chemotherapeutic agents 379:reactive oxygen species 367:endothelial dysfunction 260:sphingosine-1-phosphate 2415:Cite journal requires 2122:10.1074/jbc.M200754200 1400:10.1074/jbc.M414569200 446: 46: 42:General structures of 35: 2716:Globotriaosylceramide 2504:10.1099/mic.0.25922-0 1661:Elias, Peter (2006). 1627:Biophysical Chemistry 786:10.1084/jem.180.2.525 517:Ceramidase inhibitors 444: 395:programmed cell death 371:protein phosphatase 2 268:endoplasmic reticulum 228:endoplasmic reticulum 118:comes from the Latin 105:programmed cell death 41: 33: 3013:Fingolimod phosphate 1689:Feingold KR (2007). 660:Ceramide in bacteria 638:fatty acid synthesis 577:Tetrahydrocannabinol 326:. Dietary intake of 2453:10.1155/2011/565316 682:phosphoethanolamine 340:fatty liver disease 274:Physiological roles 2754:Galactocerebroside 2640:Galactocerebroside 2615:glycosphingolipids 2035:Sem. Radiat. Oncol 1071:10.7150/ijbs.78525 552:Ionizing radiation 488:insulin resistance 447: 365:. Ceramides cause 332:insulin resistance 244:glycosphingolipids 216:dihydrosphingosine 158:to form ceramide. 47: 36: 3323: 3322: 3246: 3245: 3161: 3146: 3145: 2858: 2801: 2800: 2781: 2780: 2440:Journal of Lipids 2261:(11): 1629–1643. 2115:(30): 26796–803. 1703:(12): 2531–2546. 1009:(12): 1082–1095. 666:Sphingomonadaceae 611:membrane rigidity 463:atopic dermatitis 357:. Aggregation of 355:Akt/PKB signaling 297:neurodegeneration 264:ceramide synthase 16:(Redirected from 3348: 3221: 3217: 3175: 3171: 3165: 3155: 2948: 2944: 2872: 2868: 2862: 2852: 2835:Lysophospholipid 2828: 2821: 2814: 2805: 2735:Glucocerebroside 2669: 2652:Lactosylceramide 2645:Glucocerebroside 2592: 2585: 2578: 2569: 2533: 2532: 2517: 2516: 2506: 2497:(8): 2071–2081. 2482: 2476: 2475: 2465: 2455: 2446:(2011): 565316. 2431: 2425: 2424: 2418: 2413: 2411: 2403: 2401: 2399: 2393: 2386: 2378: 2372: 2371: 2369: 2367: 2352: 2346: 2345: 2335: 2317: 2293: 2287: 2286: 2246: 2237: 2236: 2226: 2194: 2188: 2187: 2151: 2145: 2144: 2134: 2124: 2100: 2094: 2093: 2065: 2059: 2058: 2030: 2024: 2023: 2021: 2019: 2000: 1994: 1993: 1991: 1990: 1966: 1960: 1959: 1949: 1915: 1902: 1901: 1865: 1859: 1858: 1848: 1831:(1): E211–E224. 1814: 1808: 1807: 1797: 1764: 1758: 1757: 1729: 1723: 1722: 1712: 1686: 1677: 1676: 1658: 1652: 1651: 1634:(1–3): 144–156. 1620: 1611: 1610: 1574: 1568: 1567: 1557: 1524: 1511: 1510: 1500: 1468: 1462: 1461: 1443: 1419: 1413: 1412: 1402: 1393:(28): 26425–34. 1378: 1372: 1371: 1361: 1329: 1323: 1322: 1292: 1286: 1285: 1275: 1258:(5): 1562–1576. 1241: 1235: 1234: 1204: 1198: 1197: 1187: 1177: 1153: 1147: 1146: 1136: 1125:10.1172/JCI43378 1119:(5): 1858–1870. 1102: 1093: 1092: 1082: 1048: 1037: 1036: 1026: 992: 979: 978: 968: 944: 938: 937: 909: 903: 902: 892: 875:(6): 1010–1018. 860: 854: 853: 817: 808: 807: 797: 765: 754: 753: 743: 703: 632:(CMAMMA) due to 624:Related diseases 547:Gamma interferon 342:, for example). 242:and the complex 175:sphingomyelinase 52:are a family of 21: 3356: 3355: 3351: 3350: 3349: 3347: 3346: 3345: 3326: 3325: 3324: 3319: 3305: 3291:Dihydroceramide 3242: 3219: 3209: 3186: 3173: 3154: 3142: 2946: 2936: 2887:1-Palmitoyl-LPA 2870: 2851: 2843: 2832: 2802: 2797: 2777: 2758: 2739: 2720: 2701: 2664: 2656: 2621: 2599:Glycoconjugates 2596: 2554: 2553: 2552: 2534: 2530: 2525: 2520: 2484: 2483: 2479: 2433: 2432: 2428: 2414: 2404: 2397: 2395: 2391: 2384: 2380: 2379: 2375: 2365: 2363: 2354: 2353: 2349: 2295: 2294: 2290: 2248: 2247: 2240: 2196: 2195: 2191: 2153: 2152: 2148: 2102: 2101: 2097: 2076:(14): 1723–31. 2067: 2066: 2062: 2032: 2031: 2027: 2017: 2015: 2008:incidecoder.com 2002: 2001: 1997: 1988: 1986: 1968: 1967: 1963: 1925:Atherosclerosis 1917: 1916: 1905: 1867: 1866: 1862: 1816: 1815: 1811: 1766: 1765: 1761: 1731: 1730: 1726: 1688: 1687: 1680: 1673: 1660: 1659: 1655: 1622: 1621: 1614: 1576: 1575: 1571: 1526: 1525: 1514: 1483:(12): 2027–36. 1470: 1469: 1465: 1421: 1420: 1416: 1380: 1379: 1375: 1350:10.1172/JCI1180 1338:J. Clin. Invest 1331: 1330: 1326: 1294: 1293: 1289: 1243: 1242: 1238: 1206: 1205: 1201: 1155: 1154: 1150: 1104: 1103: 1096: 1050: 1049: 1040: 994: 993: 982: 946: 945: 941: 914:Trends Mol. Med 911: 910: 906: 862: 861: 857: 834:10.1038/nrm2329 819: 818: 811: 767: 766: 757: 705: 704: 700: 696: 674: 662: 650: 626: 607:plasma membrane 600: 595: 508: 476: 423:stratum corneum 419: 387: 363:atherosclerosis 359:LDL cholesterol 351:Unsaturated fat 281: 276: 252: 250:Salvage pathway 232:Golgi apparatus 220:dihydroceramide 200: 183:plasma membrane 164: 142: 97:differentiation 28: 23: 22: 15: 12: 11: 5: 3354: 3352: 3344: 3343: 3338: 3328: 3327: 3321: 3320: 3310: 3307: 3306: 3304: 3303: 3298: 3293: 3288: 3283: 3278: 3273: 3254: 3252: 3248: 3247: 3244: 3243: 3241: 3240: 3235: 3230: 3224: 3222: 3211: 3210: 3208: 3207: 3202: 3196: 3194: 3188: 3187: 3185: 3184: 3178: 3176: 3162: 3148: 3147: 3144: 3143: 3141: 3140: 3131: 3130: 3125: 3120: 3115: 3110: 3105: 3096: 3095: 3090: 3085: 3080: 3075: 3070: 3065: 3060: 3055: 3050: 3045: 3040: 3035: 3030: 3025: 3020: 3015: 3010: 3005: 3000: 2995: 2990: 2985: 2980: 2975: 2970: 2965: 2960: 2951: 2949: 2938: 2937: 2935: 2934: 2929: 2924: 2919: 2914: 2905: 2904: 2899: 2894: 2889: 2884: 2875: 2873: 2859: 2845: 2844: 2833: 2831: 2830: 2823: 2816: 2808: 2799: 2798: 2796: 2795: 2789: 2787: 2783: 2782: 2779: 2778: 2776: 2775: 2769: 2767: 2760: 2759: 2757: 2756: 2750: 2748: 2741: 2740: 2738: 2737: 2731: 2729: 2722: 2721: 2719: 2718: 2712: 2710: 2703: 2702: 2700: 2699: 2694: 2689: 2684: 2678: 2676: 2666: 2658: 2657: 2655: 2654: 2649: 2648: 2647: 2642: 2631: 2629: 2623: 2622: 2597: 2595: 2594: 2587: 2580: 2572: 2566: 2565: 2541:chemical-class 2535: 2528: 2527: 2526: 2524: 2523:External links 2521: 2519: 2518: 2477: 2426: 2417:|journal= 2373: 2347: 2288: 2238: 2189: 2146: 2095: 2060: 2041:(4): 250–267. 2025: 1995: 1961: 1932:(2): 497–504. 1903: 1876:(6): 312–319. 1860: 1809: 1759: 1724: 1678: 1671: 1653: 1612: 1585:(3): 291–295. 1569: 1512: 1463: 1414: 1373: 1344:(2): 329–339. 1324: 1287: 1236: 1217:(2): 130–134. 1199: 1168:(2): 723–734. 1148: 1094: 1065:(1): 311–330. 1038: 980: 959:(7): 4829–39. 939: 920:(8): 327–336. 904: 869:Cell Signaling 855: 828:(2): 139–150. 809: 755: 697: 695: 692: 673: 670: 661: 658: 649: 646: 625: 622: 599: 596: 594: 593: 588: 583: 574: 569: 564: 559: 554: 549: 544: 541: 538: 533: 528: 523: 518: 515: 509: 507: 504: 490:by decreasing 475: 472: 418: 415: 386: 383: 369:by activating 336:adipose tissue 280: 277: 275: 272: 251: 248: 199: 196: 163: 160: 154:are reused by 141: 138: 134:vernix caseosa 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3353: 3342: 3339: 3337: 3334: 3333: 3331: 3318: 3317: 3314: 3308: 3302: 3299: 3297: 3294: 3292: 3289: 3287: 3284: 3282: 3279: 3277: 3274: 3272: 3271:Palmitoyl-CoA 3269: 3265: 3262: 3259: 3256: 3255: 3253: 3249: 3239: 3236: 3234: 3231: 3229: 3226: 3225: 3223: 3218: 3212: 3206: 3203: 3201: 3198: 3197: 3195: 3193: 3189: 3183: 3180: 3179: 3177: 3172: 3166: 3163: 3159: 3153: 3149: 3139: 3136: 3133: 3132: 3129: 3126: 3124: 3121: 3119: 3116: 3114: 3111: 3109: 3106: 3104: 3101: 3098: 3097: 3094: 3091: 3089: 3086: 3084: 3081: 3079: 3076: 3074: 3071: 3069: 3066: 3064: 3061: 3059: 3056: 3054: 3051: 3049: 3046: 3044: 3041: 3039: 3036: 3034: 3031: 3029: 3026: 3024: 3021: 3019: 3016: 3014: 3011: 3009: 3006: 3004: 3001: 2999: 2996: 2994: 2991: 2989: 2986: 2984: 2981: 2979: 2976: 2974: 2971: 2969: 2966: 2964: 2961: 2959: 2956: 2953: 2952: 2950: 2945: 2939: 2933: 2930: 2928: 2925: 2923: 2920: 2918: 2915: 2913: 2910: 2907: 2906: 2903: 2900: 2898: 2895: 2893: 2890: 2888: 2885: 2883: 2880: 2877: 2876: 2874: 2869: 2863: 2860: 2856: 2850: 2846: 2842: 2839: 2836: 2829: 2824: 2822: 2817: 2815: 2810: 2809: 2806: 2794: 2791: 2790: 2788: 2784: 2774: 2771: 2770: 2768: 2766: 2761: 2755: 2752: 2751: 2749: 2747: 2742: 2736: 2733: 2732: 2730: 2728: 2727:sphingomyelin 2723: 2717: 2714: 2713: 2711: 2709: 2704: 2698: 2695: 2693: 2690: 2688: 2685: 2683: 2680: 2679: 2677: 2675: 2670: 2667: 2663: 2659: 2653: 2650: 2646: 2643: 2641: 2638: 2637: 2636: 2633: 2632: 2630: 2628: 2624: 2620: 2616: 2612: 2611:sphingolipids 2608: 2604: 2600: 2593: 2588: 2586: 2581: 2579: 2574: 2573: 2570: 2563: 2559: 2556: 2555: 2550: 2549: 2548: 2542: 2538: 2522: 2514: 2510: 2505: 2500: 2496: 2492: 2488: 2481: 2478: 2473: 2469: 2464: 2459: 2454: 2449: 2445: 2441: 2437: 2430: 2427: 2422: 2409: 2390: 2383: 2377: 2374: 2361: 2357: 2351: 2348: 2343: 2339: 2334: 2329: 2325: 2321: 2316: 2311: 2307: 2303: 2299: 2292: 2289: 2284: 2280: 2276: 2272: 2268: 2264: 2260: 2256: 2252: 2245: 2243: 2239: 2234: 2230: 2225: 2220: 2216: 2212: 2209:(3): 118–25. 2208: 2204: 2203:Mitochondrion 2200: 2193: 2190: 2185: 2181: 2177: 2173: 2169: 2165: 2162:(5): 773–80. 2161: 2157: 2150: 2147: 2142: 2138: 2133: 2128: 2123: 2118: 2114: 2110: 2109:J. Biol. Chem 2106: 2099: 2096: 2091: 2087: 2083: 2079: 2075: 2071: 2070:Life Sciences 2064: 2061: 2056: 2052: 2048: 2044: 2040: 2036: 2029: 2026: 2013: 2009: 2005: 1999: 1996: 1984: 1980: 1976: 1972: 1965: 1962: 1957: 1953: 1948: 1943: 1939: 1935: 1931: 1927: 1926: 1921: 1914: 1912: 1910: 1908: 1904: 1899: 1895: 1891: 1887: 1883: 1879: 1875: 1871: 1864: 1861: 1856: 1852: 1847: 1842: 1838: 1834: 1830: 1826: 1825: 1820: 1813: 1810: 1805: 1801: 1796: 1791: 1787: 1783: 1779: 1775: 1771: 1763: 1760: 1755: 1751: 1747: 1743: 1740:(2): 147–51. 1739: 1735: 1728: 1725: 1720: 1716: 1711: 1706: 1702: 1698: 1697: 1692: 1685: 1683: 1679: 1674: 1672:9780824758158 1668: 1664: 1657: 1654: 1649: 1645: 1641: 1637: 1633: 1629: 1628: 1619: 1617: 1613: 1608: 1604: 1600: 1596: 1592: 1588: 1584: 1580: 1573: 1570: 1565: 1561: 1556: 1551: 1547: 1543: 1539: 1535: 1531: 1523: 1521: 1519: 1517: 1513: 1508: 1504: 1499: 1494: 1490: 1486: 1482: 1478: 1474: 1467: 1464: 1459: 1455: 1451: 1447: 1442: 1437: 1433: 1429: 1425: 1418: 1415: 1410: 1406: 1401: 1396: 1392: 1388: 1387:J. Biol. Chem 1384: 1377: 1374: 1369: 1365: 1360: 1355: 1351: 1347: 1343: 1339: 1335: 1328: 1325: 1320: 1316: 1312: 1308: 1304: 1300: 1299: 1291: 1288: 1283: 1279: 1274: 1269: 1265: 1261: 1257: 1253: 1252: 1247: 1240: 1237: 1232: 1228: 1224: 1220: 1216: 1212: 1211: 1203: 1200: 1195: 1191: 1186: 1181: 1176: 1171: 1167: 1163: 1159: 1152: 1149: 1144: 1140: 1135: 1130: 1126: 1122: 1118: 1114: 1113: 1108: 1101: 1099: 1095: 1090: 1086: 1081: 1076: 1072: 1068: 1064: 1060: 1059: 1054: 1047: 1045: 1043: 1039: 1034: 1030: 1025: 1020: 1016: 1012: 1008: 1004: 1003: 998: 991: 989: 987: 985: 981: 976: 972: 967: 962: 958: 954: 950: 943: 940: 935: 931: 927: 923: 919: 915: 908: 905: 900: 896: 891: 886: 882: 878: 874: 870: 866: 859: 856: 851: 847: 843: 839: 835: 831: 827: 823: 816: 814: 810: 805: 801: 796: 791: 787: 783: 780:(2): 525–35. 779: 775: 771: 764: 762: 760: 756: 751: 747: 742: 737: 733: 729: 725: 721: 717: 713: 709: 702: 699: 693: 691: 689: 688: 683: 679: 671: 669: 667: 659: 657: 655: 647: 645: 643: 642:sphingomyelin 639: 635: 631: 623: 621: 618: 616: 612: 608: 603: 597: 592: 589: 587: 584: 582: 578: 575: 573: 570: 568: 565: 563: 560: 558: 555: 553: 550: 548: 545: 542: 539: 537: 534: 532: 529: 527: 524: 522: 519: 516: 514: 511: 510: 505: 503: 501: 497: 493: 489: 485: 481: 473: 471: 468: 464: 460: 456: 451: 443: 439: 435: 432: 428: 424: 416: 414: 412: 408: 404: 400: 396: 392: 384: 382: 380: 376: 372: 368: 364: 360: 356: 352: 348: 343: 341: 337: 333: 329: 328:saturated fat 325: 321: 317: 312: 310: 306: 302: 298: 294: 290: 286: 278: 273: 271: 269: 265: 261: 257: 249: 247: 245: 241: 240:sphingomyelin 237: 236:sphingolipids 233: 229: 225: 221: 217: 213: 209: 205: 197: 195: 193: 189: 184: 181:found in the 180: 179:phospholipids 176: 172: 171:sphingomyelin 168: 161: 159: 157: 153: 149: 148: 139: 137: 135: 131: 130: 125: 121: 117: 112: 110: 106: 102: 101:proliferation 98: 94: 90: 89:sphingolipids 86: 85:lipid bilayer 82: 81:sphingomyelin 78: 74: 73:cell membrane 70: 67:joined by an 66: 62: 58: 55: 51: 45: 44:sphingolipids 40: 32: 19: 3312: 3311: 3295: 3267: 3260: 3257: 3134: 3100:Antagonists: 3099: 2954: 2909:Antagonists: 2908: 2882:1-Oleoyl-LPA 2878: 2772: 2626: 2545: 2544: 2543:profile for 2540: 2494: 2491:Microbiology 2490: 2480: 2443: 2439: 2429: 2408:cite journal 2396:. 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Med 615:lipid rafts 572:Sphingosine 562:Niacinamide 431:cholesterol 349:receptors. 324:hepatocytes 156:reacylation 152:sphingosine 61:sphingosine 3330:Categories 3192:Ceramidase 3158:inhibitors 3023:Mocravimod 3008:Fingolimod 2958:Amiselimod 2892:GRI-977143 2841:modulators 2398:August 26, 2366:29 January 1989:2022-01-02 694:References 687:Drosophila 579:and other 526:Fas ligand 513:Anandamide 289:senescence 238:, such as 167:Hydrolysis 77:eukaryotic 69:amide bond 65:fatty acid 3341:Ceramides 3313:See also: 3200:Ceranib 1 3138:Etrasimod 3135:Unsorted: 3123:VPC-23019 3108:CYM-50358 3078:TC-G 1006 3063:Siponimod 3038:Ponesimod 3033:Phyto-S1P 2998:CYM-50308 2993:CYM-50260 2963:Cenerimod 2955:Agonists: 2932:VPC-32183 2927:TC-LPA5 4 2879:Agonists: 2838:signaling 2746:sulfatide 2708:globoside 2558:Ceramides 2324:1750-1172 2308:(1): 27. 2275:1388-1981 2156:Apoptosis 1981:(8): 89. 1305:: 88–94. 1298:Biochimie 732:2212-4926 609:enhances 586:TNF-alpha 531:Endotoxin 467:psoriasis 459:psoriasis 457:disorder 427:epidermis 403:TNF-alpha 391:Apoptosis 385:Apoptosis 285:apoptosis 279:Pathology 256:lysosomes 204:palmitate 192:apoptosis 188:radiation 114:The word 107:(PCD) of 93:signaling 50:Ceramides 18:Ceramides 3296:Ceramide 3233:Safingol 3182:Myriocin 3118:TY-52156 3083:TC-SP 14 3058:SEW-2871 3053:RPC-1063 3028:Ozanimod 2988:CYM 5541 2983:CYM-5520 2978:CYM-5442 2922:Ki-16425 2849:Receptor 2773:Ceramide 2627:Ceramide 2547:Ceramide 2513:12904547 2472:21490804 2389:Archived 2360:Archived 2342:31969167 2283:31376476 2233:16713754 2184:12633095 2176:16532372 2141:12006562 2090:15958274 2055:10717183 2012:Archived 1983:Archived 1956:17963772 1898:27123917 1890:24698032 1855:19435851 1804:35900871 1719:17872588 1648:20457485 1599:19184160 1564:35900871 1507:17161984 1458:85367540 1450:11513845 1409:15849201 1319:23933096 1282:24606881 1231:15967715 1194:24214972 1143:21490391 1089:36594091 1033:34750017 975:17878382 934:17588815 899:18191382 842:18216770 750:30193828 718:: 3–18. 480:myriocin 474:Hormonal 301:diabetes 116:ceramide 3228:N,N-DMS 3113:JTE-013 3103:CS-0777 3093:XAX-162 3018:KRP-203 2973:CS-2100 2855:ligands 2665:pathway 2537:Scholia 2463:3066853 2333:6977288 2224:2246045 2132:2246046 2018:12 July 1947:2924671 1846:2711669 1795:9462509 1754:8357845 1607:4005575 1555:9462509 1498:1766198 1368:9664074 1273:4005977 1185:3887200 1134:3083776 1080:9760443 1024:8595778 890:2422835 850:8692993 804:8046331 795:2191598 741:6251742 401:light, 305:obesity 198:De novo 190:causes 147:de novo 3336:Lipids 3276:Serine 3251:Others 3238:SKI II 3152:Enzyme 3048:RP-002 3043:RP-001 2617:, and 2605:, and 2603:lipids 2564:(MeSH) 2539:has a 2511:  2470:  2460:  2340:  2330:  2322:  2281:  2273:  2231:  2221:  2182:  2174:  2139:  2129:  2088:  2053:  1954:  1944:  1896:  1888:  1853:  1843:  1802:  1792:  1780:(16). 1752:  1717:  1669:  1646:  1605:  1597:  1579:Lipids 1562:  1552:  1540:(16). 1505:  1495:  1456:  1448:  1407:  1366:  1359:508891 1356:  1317:  1280:  1270:  1229:  1192:  1182:  1141:  1131:  1087:  1077:  1031:  1021:  973:  932:  897:  887:  848:  840:  802:  792:  748:  738:  730:  654:eczema 492:SOCS-3 484:leptin 405:, and 307:, and 293:cancer 208:serine 126:) and 103:, and 63:and a 3128:W-146 3088:W-061 2786:Other 2744:From 2725:From 2706:From 2672:From 2392:(PDF) 2385:(PDF) 2180:S2CID 1894:S2CID 1603:S2CID 1454:S2CID 846:S2CID 634:ACSF3 129:amide 109:cells 57:lipid 3268:S1P: 3261:LPA: 3216:SphK 2943:S1PR 2902:OMPT 2867:LPAR 2613:and 2509:PMID 2468:PMID 2444:2011 2421:help 2400:2015 2368:2015 2338:PMID 2320:ISSN 2279:PMID 2271:ISSN 2259:1864 2229:PMID 2172:PMID 2137:PMID 2086:PMID 2051:PMID 2020:2021 1952:PMID 1886:PMID 1851:PMID 1800:PMID 1750:PMID 1738:1182 1715:PMID 1667:ISBN 1644:PMID 1595:PMID 1560:PMID 1503:PMID 1481:1758 1446:PMID 1405:PMID 1364:PMID 1315:PMID 1278:PMID 1227:PMID 1215:1735 1190:PMID 1139:PMID 1085:PMID 1029:PMID 971:PMID 930:PMID 895:PMID 838:PMID 800:PMID 746:PMID 728:ISSN 648:Uses 540:Heat 465:and 421:The 417:Skin 347:TLR4 206:and 120:cera 54:waxy 3264:LPC 3205:OEA 3170:SPT 3073:SPC 3068:S1P 2897:LPA 2763:To 2697:GD2 2692:GM3 2687:GM2 2682:GM1 2499:doi 2495:149 2458:PMC 2448:doi 2328:PMC 2310:doi 2263:doi 2219:PMC 2211:doi 2164:doi 2127:PMC 2117:doi 2113:277 2078:doi 2043:doi 1942:PMC 1934:doi 1930:196 1878:doi 1841:PMC 1833:doi 1829:297 1790:PMC 1782:doi 1742:doi 1705:doi 1636:doi 1632:150 1587:doi 1550:PMC 1542:doi 1493:PMC 1485:doi 1436:doi 1432:503 1395:doi 1391:280 1354:PMC 1346:doi 1342:102 1307:doi 1303:100 1268:PMC 1260:doi 1256:184 1219:doi 1180:PMC 1170:doi 1166:289 1129:PMC 1121:doi 1117:121 1075:PMC 1067:doi 1019:PMC 1011:doi 961:doi 957:179 922:doi 885:PMC 877:doi 830:doi 790:PMC 782:doi 778:180 736:PMC 720:doi 500:JNK 169:of 124:wax 75:of 3332:: 3266:; 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Index

Ceramides


sphingolipids
waxy
lipid
sphingosine
fatty acid
amide bond
cell membrane
eukaryotic
sphingomyelin
lipid bilayer
sphingolipids
signaling
differentiation
proliferation
programmed cell death
cells
wax
amide
vernix caseosa
de novo
sphingosine
reacylation
Hydrolysis
sphingomyelin
sphingomyelinase
phospholipids
plasma membrane

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