Target type: biologicalprocess
Any process that activates or increases the frequency, rate or extent of Schwann cell differentiation. [GOC:ef]
Positive regulation of Schwann cell differentiation is a complex biological process that involves a cascade of molecular events, ultimately leading to the formation of mature, myelinating Schwann cells. These cells are essential for the proper functioning of the peripheral nervous system (PNS) as they form the myelin sheath that insulates axons and speeds up nerve impulse conduction.
The process begins with the commitment of neural crest cells to the Schwann cell lineage. This commitment is influenced by a variety of signaling molecules, including neuregulin-1 (NRG1) and fibroblast growth factors (FGFs). NRG1, a transmembrane protein expressed by axons, binds to its receptor ErbB2 on Schwann cell precursors, triggering intracellular signaling cascades that promote Schwann cell differentiation.
As Schwann cell precursors proliferate and migrate along axons, they begin to express a range of transcription factors, such as Sox10, Oct6, and Krox20, which regulate gene expression and drive the differentiation program. These transcription factors, along with other signaling molecules, control the expression of key genes involved in myelination, such as myelin protein zero (MPZ), myelin basic protein (MBP), and proteolipid protein (PLP).
The process of myelination involves the formation of a multi-layered structure around the axon. Schwann cells wrap themselves around the axon, and their plasma membranes fuse to form the myelin sheath. This process is tightly regulated by a variety of factors, including the diameter of the axon, the concentration of signaling molecules, and the expression of specific genes.
Several other factors contribute to positive regulation of Schwann cell differentiation:
- **Cell-cell interactions:** Schwann cells interact with axons and other Schwann cells through various adhesion molecules, contributing to their proper differentiation and myelination.
- **Extracellular matrix components:** The extracellular matrix provides structural support and signaling cues that influence Schwann cell behavior.
- **Metabolic pathways:** Energy metabolism and lipid biosynthesis are crucial for Schwann cell differentiation and myelination.
- **Epigenetic modifications:** Modifications in DNA methylation and histone acetylation influence gene expression and Schwann cell development.
The intricate interplay of these factors ensures proper Schwann cell differentiation and myelination, guaranteeing the efficient function of the peripheral nervous system.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Transcription factor p65 | A transcription factor p65 that is encoded in the genome of human. [PRO:DNx] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| beta-lapachone | beta-lapachone : A benzochromenone that is 3,4-dihydro-2H-benzo[h]chromene-5,6-dione substituted by geminal methyl groups at position 2. Isolated from Tabebuia avellanedae, it exhibits antineoplastic and anti-inflammatory activities. beta-lapachone: antineoplastic inhibitor of reverse transcriptase, DNA topoisomerase, and DNA polymerase | benzochromenone; orthoquinones | anti-inflammatory agent; antineoplastic agent; plant metabolite |
| phloretin | dihydrochalcones | antineoplastic agent; plant metabolite | |
| sanguinarine | benzophenanthridine alkaloid : A specific group of isoquinoline alkaloids that occur only in higher plants and are constituents mainly of the Papaveraceae family. | alkaloid antibiotic; benzophenanthridine alkaloid; botanical anti-fungal agent | |
| gibberellic acid | gibberellic acid: RN given refers to (1alpha,2beta,4aalpha,4bbeta,10beta)-isomer; structure gibberellin A3 : A C19-gibberellin that is a pentacyclic diterpenoid responsible for promoting growth and elongation of cells in plants. Initially identified in Gibberella fujikuroi,it differs from gibberellin A1 in the presence of a double bond between C-3 and C-4. | C19-gibberellin; gibberellin monocarboxylic acid; lactone; organic heteropentacyclic compound | mouse metabolite; plant metabolite |
| oleanolic acid | hydroxy monocarboxylic acid; pentacyclic triterpenoid | plant metabolite | |
| helenalin | helenalin : A sesquiterpene lactone that is 3,3a,4,4a,7a,8,9,9a-octahydroazuleno[6,5-b]furan-2,5-dione substituted by a hydroxy group at position 4, methyl groups at positions 4a and 8 and a methylidene group at position 3 (the 3aS,4S,4aR,7aR,8R,9aR stereoisomer). helenalin: toxic principle of Helenium microcephalum (smallhead sneezeweed); structure NF-kappaB inhibitor : An inhibitor of NF-kappaB (nuclear factor kappa-light-chain-enhancer of activated B cells), a protein complex involved in the transcription of DNA. | cyclic ketone; gamma-lactone; organic heterotricyclic compound; secondary alcohol; sesquiterpene lactone | anti-inflammatory agent; antineoplastic agent; metabolite; plant metabolite |
| ursolic acid | hydroxy monocarboxylic acid; pentacyclic triterpenoid | geroprotector; plant metabolite | |
| betulinic acid | hydroxy monocarboxylic acid; pentacyclic triterpenoid | anti-HIV agent; anti-inflammatory agent; antimalarial; antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; plant metabolite | |
| pyrrolidine dithiocarbamate | pyrrolidine dithiocarbamate : A member of the class of dithiocarbamic acids that is the N-dithiocarboxy derivative of pyrrolidine. pyrrolidine dithiocarbamic acid: spelled pyrolidine in J Nutr 1979 reference; RN given refers to parent cpd | dithiocarbamic acids; pyrrolidines | anticonvulsant; antineoplastic agent; geroprotector; neuroprotective agent; NF-kappaB inhibitor; radical scavenger |
| betulin | betulin : A pentacyclic triterpenoid that is lupane having a double bond at position 20(29) as well as 3beta-hydroxy and 28-hydroxymethyl substituents. betulin: isolated from various white birch bark (BETULA) | diol; pentacyclic triterpenoid | analgesic; anti-inflammatory agent; antineoplastic agent; antiviral agent; metabolite |
| dehydroleucodine | dehydroleucodine: has antimicrobial activity; RN given refers to (3aS-(3aalpha,9aalpha,9bbeta))-isomer | ||
| altersolanol a | altersolanol A: isolated from fermentation product of fungus Alternaria porri(Ellis) Ciferri;RN given refers to (1R-(1alpha,2beta,3beta,4alpha))-isomer; structure given in first source | pentahydroxyanthraquinone | |
| uvaol | uvaol: from Vauquelinia corymbosa (Rosaceae) | triterpenoid | metabolite |
| Mexicanin I | sesquiterpene lactone | ||
| loliolide | loliolide: RN given refers to (6S-cis)-isomer | benzofurans | metabolite |
| erythrodiol | diol; pentacyclic triterpenoid; primary alcohol; secondary alcohol | plant metabolite | |
| parthenolide | germacranolide | ||
| gefitinib | aromatic ether; monochlorobenzenes; monofluorobenzenes; morpholines; quinazolines; secondary amino compound; tertiary amino compound | antineoplastic agent; epidermal growth factor receptor antagonist | |
| tetrahydrocurcumin | tetrahydrocurcumin : A beta-diketone that is curcumin in which both of the double bonds have been reduced to single bonds. | beta-diketone; diarylheptanoid; polyphenol | metabolite |
| 8-(4-benzenesulfonylamino)quinoline | 8-(4-benzenesulfonylamino)quinoline: has diabetogenic properties; structure given in first source | ||
| withanolide d | withanolide D : A withanolide that is 5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione substituted by hydroxy groups at positions 4 and 22 (the 4beta,5beta,6beta,22R stereoisomer). Isolated from Tubocapsicum anomalum and Withania somnifera, it exhibits cytotoxic activity. withanolide D: structure | 20-hydroxy steroid; 4-hydroxy steroid; delta-lactone; enone; epoxy steroid; ergostanoid; secondary alcohol; tertiary alcohol; withanolide | antineoplastic agent |
| arnicolide d | arnicolide D: cytotoxic; from Centipeda minima L.; structure in first source | sesquiterpene lactone | |
| santamarine | santamarin : A sesquiterpene lactone of the eudesmanolide group. santamarine: sesquiterpene derivative of costunolide | sesquiterpene lactone | |
| withaferin a | withaferin A : A withanolide that is 5,6:22,26-diepoxyergosta-2,24-diene-1,26-dione substituted by hydroxy groups at positions 4 and 27 (the 4beta,5beta,6beta,22R stereoisomer). Isolated from Physalis longifolia, it exhibits cytotoxic activity. withaferin A: an antiestrogen and phytogenic antineoplastic agent isolated from leaves of Withania somnifera Dun.; structure | 27-hydroxy steroid; 4-hydroxy steroid; delta-lactone; enone; epoxy steroid; ergostanoid; primary alcohol; secondary alcohol; withanolide | antineoplastic agent; apoptosis inducer |
| rocaglamide | rocaglamide : An organic heterotricyclic compound that is 2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan substituted by hydroxy groups at positions 1 and 8b, methoxy groups at positions 6 and 8, a 4-methoxyphenyl group at position 3a, a phenyl group at position 3 and a N,N-dimethylcarbamoyl group at position 1. Isolated from Aglaia odorata and Aglaia duperreana, it exhibits antineoplastic activity. rocaglamide: RN refers to (1alpha,2alpha,3beta,3abeta,8bbeta)-isomer; isolated from stems of Aglaia elliptifolia; structure given in first source | monocarboxylic acid amide; monomethoxybenzene; organic heterotricyclic compound | antileishmanial agent; antineoplastic agent; metabolite |
| bortezomib | amino acid amide; L-phenylalanine derivative; pyrazines | antineoplastic agent; antiprotozoal drug; protease inhibitor; proteasome inhibitor | |
| 8-deoxygartanin | 8-deoxygartanin: a butyrylcholinesterase inhibitor; isolated from Garcinia mangostana; structure in first source | xanthones | |
| aglafoline | aglafolin : A heterotricyclic compound based on a 2,3,3a,8b-tetrahydro-1H-benzo[b]cyclopenta[d]furan framework substituted by hydroxy groups at positions C-1 and C-8b, a methoxycarbonyl group at C-2, a phenyl group at C-3, a 4-methoxyphenyl group at C-3a and methoxy groups at C-6 and C-8. A platelet aggregation inhibitor found in Aglaia elliptifolia and Aglaia odorata. aglafoline: a platelet activating factor antagonist; structure given in first source; isolated from Aglaia elliptifolia | methyl ester; organic heterotricyclic compound | metabolite; platelet aggregation inhibitor |
| rocaglaol | rocaglaol: a cytotoxic cyclopenta(b)benzofuran from the bark of Aglaia crassinervia; structure in first source | ||
| tosylphenylalanyl chloromethyl ketone | N-tosyl-L-phenylalanyl chloromethyl ketone : The N-tosyl derivative of L-phenylalanyl chloromethyl ketone. Tosylphenylalanyl Chloromethyl Ketone: An inhibitor of Serine Endopeptidases. Acts as alkylating agent and is known to interfere with the translation process. | alpha-chloroketone; sulfonamide | alkylating agent; serine proteinase inhibitor |
| 11alpha,13-dihydrohelenalin | sesquiterpene lactone | ||
| resveratrol | trans-resveratrol : A resveratrol in which the double bond has E configuration. | resveratrol | antioxidant; phytoalexin; plant metabolite; quorum sensing inhibitor; radical scavenger |
| isoliquiritigenin | chalcones | antineoplastic agent; biological pigment; EC 1.14.18.1 (tyrosinase) inhibitor; GABA modulator; geroprotector; metabolite; NMDA receptor antagonist | |
| xanthohumol | xanthohumol : A member of the class of chalcones that is trans-chalcone substituted by hydroxy groups at positions 4, 2' and 4', a methoxy group at position 6' and a prenyl group at position 3'. Isolated from Humulus lupulus, it induces apoptosis in human malignant glioblastoma cells. xanthohumol: from hop plant, Humulus lupulus | aromatic ether; chalcones; polyphenol | anti-HIV-1 agent; antineoplastic agent; antiviral agent; apoptosis inducer; EC 2.3.1.20 (diacylglycerol O-acyltransferase) inhibitor; metabolite |
| 5H-quinolino[8,7-c][1,2]benzothiazine 6,6-dioxide | benzothiazine | ||
| parthenolide, (1ar-(1ar*,4e,7as*,10as*,10br*))-isomer | germacranolide | ||
| sideroxylin | sideroxylin : A monomethoxyflavone that is flavone substituted by a methoxy group at position 7, hydroxy groups at positions 5 and 4' and methyl groups at positions 6 and 8. It has been isolated from Hydrastis canadensis and Eucalyptus species. sideroxylin: from Hydrastis canadensis; structure in first source | dihydroxyflavone; monomethoxyflavone | plant metabolite |
| scopoletin | hydroxycoumarin | plant growth regulator; plant metabolite | |
| vomifoliol | (6S,9R)-vomifoliol : A (6S)-vomifoliol with a R configuration for the hydroxy group at position 9. blumenol A: a phytotoxin isolated from Oryza sativa Awaakamai; structure in first source vomifoliol : A fenchane monoterpenoid that is 3,5,5-trimethylcyclohex-2-en-1-one substituted by a hydroxy and a (1E)-3-hydroxybut-1-en-1-yl group at position 4. | (6S)-vomifoliol | metabolite; phytotoxin |
| lipoxin a4 | lipoxin A4 : A C20 hydroxy fatty acid having (5S)-, (6R)- and (15S)-hydroxy groups as well as (7E)- (9E)-, (11Z)- and (13E)-double bonds. lipoxin A4: an antifibrolytic agent; structure given in first source; a role in ASPIRIN antiinflammatory activity | hydroxy polyunsaturated fatty acid; lipoxin; long-chain fatty acid | human metabolite; metabolite |
| butein | chalcones; polyphenol | antineoplastic agent; antioxidant; EC 1.1.1.21 (aldehyde reductase) inhibitor; geroprotector; hypoglycemic agent; plant metabolite; radiosensitizing agent; tyrosine kinase inhibitor | |
| costunolide | germacranolide; heterobicyclic compound | anthelminthic drug; antiinfective agent; antineoplastic agent; antiparasitic agent; antiviral drug; metabolite | |
| molephantinin | molephantinin: germacranolide from Elephantopus mollis; RN given refers to (3aR-(3aR*,4S*(E),6E,9Z,11S*,11aS*))-isomer; structure in first source | germacranolide | |
| gartanin | gartanin : A member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 1, 3, 5 and 8 and prenyl groups at positions 2 and 4. | polyphenol; xanthones | antineoplastic agent; plant metabolite |
| 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 |
| 3,3',4-o-trimethylellagic acid | 3,7,8-tri-O-methylellagic acid: structure given in first source | tannin | |
| 4-hydroxychalcone | 4-hydroxychalcone : A member of the class of chalcones that is trans-chalcone substituted by a hydroxy group at position 4. 4-hydroxychalcone: structure in first source | chalcones; phenols | antihypertensive agent; plant metabolite |
| bay 11-7082 | (E)-3-tosylacrylonitrile : A nitrile that is acrylonitrile in which the hydrogen located beta,trans to the cyano group is replaced by a tosyl group. It is an inhibitor of cytokine-induced IkappaB-alpha phosphorylation in cells. | nitrile; sulfone | apoptosis inducer; EC 2.7.11.10 (IkappaB kinase) inhibitor; EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor; non-steroidal anti-inflammatory drug; platelet aggregation inhibitor |
| furanoheliangolide | furanoheliangolide: structure in first source | ||
| beta-Mangostin | xanthones | ||
| 9-Hydroxycalabaxanthone | xanthones | ||
| flavokawain C | flavokawain C: antineoplastic from roots of Kava (Piper methysticum Forst); structure in first source | chalcones | |
| rehmannic acid | rehmannic acid: toxic principle, triterpene acid from Lantana camara; RN given refers to (22beta-(Z))-isomer; structure | ||
| 3-o-methylbutein | 3-O-methylbutein: RN given refers to (E)-isomer; structure given in first source | chalcones | |
| goniothalamin | goniothalamin: has antineoplastic activity; structure given in first source | ||
| hylin | |||
| spc-839 | SPC-839: an inhibitor of activator protein 1; structure in first source | ||
| fr 148083 | 5Z-7-oxozeaenol : A macrolide that is the 7-oxo derivative of zeaenol (the 5Z stereoisomer). Isolated from Fungi, it exhibits cytotoxic, antibacterial and inhibitory activity against NF-kappaB. | aromatic ether; macrolide; phenols; secondary alcohol; secondary alpha-hydroxy ketone | antibacterial agent; antineoplastic agent; metabolite; NF-kappaB inhibitor |
| LL-Z1640-1 | macrolide; resorcinols | metabolite | |
| sp 100030 | N-(3,5-bis(trifluoromethyl)phenyl)-2-chloro-4-(trifluoromethyl)pyrimidine-5-carboxamide: transcription factor inhibitor specific to T-cells | ||
| tirotundin | tirotundin: structure in first source | ||
| cumambrin b | cumambrin B: RN given for (3aR-(3aalpha,4alpha,6alpha,6aalpha,9aalpha,9bbeta))-isomer; isolated from Chrysanthemum boreale; structure in first source | ||
| chamissonolide | chamissonolide: structure given in first source | ||
| Cycloartobiloxanthone | cycloartobiloxanthone: a flavonoid isolated from stem bark of Artocarpus gomezianus; has antineoplastic properties | pyranoxanthones | |
| 6-hydroxy-7-methoxychroman-2-carboxylic acid phenylamide | 6-hydroxy-7-methoxychroman-2-carboxylic acid phenylamide: structure in first souce | ||
| silvestrol | silvestrol : An organic heterotricyclic compound that consists of a 2,3,3a,8b-tetrahydro-H-benzo[b]cyclopenta[d]furan framework substituted by hydroxy groups at positions C-1 and C-8b, a methoxycarbonyl group at C-2, a phenyl group at C-3, a 4-methoxyphenyl group at C-3a, a methoxy group at C-8 and a 1,4-dioxan-2-yloxy group at position C-6 which in turn is substituted by a methoxy group at position 3 and a 1,2-dihydroxyethyl group at position 6. Isolated from Aglaia silvestris, it exhibits antineoplastic activity. silvestrol: isolated from the fruit and twig of Aglaia silvestris | dioxanes; ether; methyl ester; organic heterotricyclic compound | antineoplastic agent; metabolite |
| 2alpha,3beta-dihydroxy-20(29)-lupen-28-oic acid | 2alpha,3beta-dihydroxy-20(29)-lupen-28-oic acid : A pentacyclic triterpenoid that is betulinic acid carrying an additional alpha-hydroxy group at position 2. It has been isolated from Breynia fruticosa. alphitolic acid: from the aerial parts of Gouania longipetala; structure in first source | dihydroxy monocarboxylic acid; pentacyclic triterpenoid | plant metabolite |
| lantadene b | lantadene B: RN given refers to the (22beta)-isomer; from Lantana camara | ||
| achalensolide | achalensolide: structure in first source | ||
| centratherin | centratherin: from Eremanthus eriopus (Asteraceae); structure in first source | ||
| 2,3-dihydro-3beta-O-sulfate withaferin A | 2,3-dihydro-3beta-O-sulfate withaferin A : A withanolide that is 2,3-dihydrowithaferin A substituted by a sulfoxy group at position 3. Isolated from Physalis longifolia, it exhibits antineoplastic activity. | 27-hydroxy steroid; 4-hydroxy steroid; delta-lactone; epoxy steroid; ergostanoid; primary alcohol; steroid sulfate; withanolide | antineoplastic agent; metabolite; plant metabolite |
| hydrazinocurcumin | hydrazinocurcumin : A pyrazole obtained by cyclocodensation of the two carbonyl groups of curcumin with hydrazine. hydrazinocurcumin: structure in first source | aromatic ether; olefinic compound; polyphenol; pyrazoles | angiogenesis modulating agent; antineoplastic agent; EC 2.3.1.48 (histone acetyltransferase) inhibitor; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor |