Target type: biologicalprocess
Any process that stops, prevents, or reduces the frequency, rate or extent of epithelial cell differentiation. [GOC:mah]
Negative regulation of epithelial cell differentiation is a complex process that involves the precise control of gene expression and signaling pathways, ultimately inhibiting the transition of epithelial cells from a less specialized state to a more mature, functional form. This process plays a crucial role in maintaining tissue homeostasis, preventing uncontrolled cell proliferation and differentiation, and ensuring proper tissue organization.
Several key mechanisms contribute to the negative regulation of epithelial cell differentiation:
1. **Transcriptional Repression:** Transcription factors that repress the expression of genes essential for epithelial differentiation play a significant role. These factors can bind to specific DNA sequences in the regulatory regions of target genes, preventing their transcription into mRNA and subsequent protein synthesis. Examples of such transcription factors include Snail, Slug, and Twist, known to suppress the expression of epithelial cell markers like E-cadherin and ZO-1.
2. **Signaling Pathway Inhibition:** Specific signaling pathways, like the Wnt and TGF-β pathways, can promote epithelial cell differentiation. Negative regulation can occur by inhibiting these pathways through various mechanisms. For instance, inhibitors of Wnt signaling, such as DKK1 and sFRP1, can block the binding of Wnt ligands to their receptors, preventing downstream signaling cascades that promote differentiation.
3. **MicroRNA Regulation:** MicroRNAs (miRNAs) are small non-coding RNA molecules that regulate gene expression at the post-transcriptional level. Certain miRNAs have been shown to target and inhibit the expression of genes involved in epithelial cell differentiation. For example, miR-200 family members are known to suppress the expression of ZEB1 and ZEB2, transcriptional repressors of epithelial cell differentiation markers.
4. **Epigenetic Modifications:** Changes in chromatin structure, such as DNA methylation and histone modifications, can alter gene accessibility and ultimately regulate gene expression. These epigenetic modifications can play a role in repressing the expression of differentiation-related genes, contributing to the inhibition of epithelial cell differentiation.
5. **Cell-Cell Interactions:** Cell-cell interactions play a crucial role in regulating epithelial cell differentiation. Cells can communicate with each other through various mechanisms, including direct contact and secreted factors. These interactions can lead to the activation of signaling pathways that promote or inhibit differentiation depending on the context.
The negative regulation of epithelial cell differentiation is a dynamic process that is highly context-dependent, involving multiple levels of regulation. Disruptions in this process can contribute to developmental defects and disease states, including cancer, where the uncontrolled proliferation and differentiation of epithelial cells can lead to tumor formation.'
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Protein | Definition | Taxonomy |
---|---|---|
Smoothened homolog | A protein smoothened that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q99835] | Homo sapiens (human) |
Protein odd-skipped-related 1 | A protein odd-skipped-related 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q8TAX0] | Homo sapiens (human) |
G1/S-specific cyclin-D1 | A G1/S-specific cyclin-D1 that is encoded in the genome of human. [PRO:DNx] | Homo sapiens (human) |
GTPase KRas | A GTPase KRas that is encoded in the genome of human. [PRO:DNx, UniProtKB:P01116] | Homo sapiens (human) |
Compound | Definition | Classes | Roles |
---|---|---|---|
bisindolylmaleimide i | bisindolylmaleimide I: a bis(indolyl)maleimide | ||
bisindolylmaleimide iv | indoles; maleimides | ||
gw8510 | GW8510: 3' substituted indolone as a scaffold for the development of neuroprotective drug; structure in first source | ||
indirubin-3'-monoxime | indirubin-3'-monoxime : A member of the class of biindoles that is indirubin in which the keto group at position 3' has undergone condensation with hydroxylamine to form the corresponding oxime. indirubin-3'-monoxime: has antiangiogenic activity | ||
indirubin-5-sulfonate | |||
staurosporine aglycone | staurosporine aglycone: metabolite from culture broth of Nocardiopsis sp.; a neurotrophin antag; inhibits BDNF TrkB receptor | ||
nu6102 | NU6102: structure in first source | ||
olomoucine | olomoucine : A 9H-purine that is substituted by a (2-hydroxyethyl)nitrilo, benzylnitrilo and a methyl group at positions 2,6 and 9, respectively. It is a cyclin-dependent kinase inhibitor. olomoucine: inhibits protein P34CDC2 | 2,6-diaminopurines; ethanolamines | EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
triamterene | triamterene : Pteridine substituted at positions 2, 4 and 7 with amino groups and at position 6 with a phenyl group. A sodium channel blocker, it is used as a diuretic in the treatment of hypertension and oedema. Triamterene: A pteridinetriamine compound that inhibits SODIUM reabsorption through SODIUM CHANNELS in renal EPITHELIAL CELLS. | pteridines | diuretic; sodium channel blocker |
benzimidazole | 1H-benzimidazole : The 1H-tautomer of benzimidazole. | benzimidazole; polycyclic heteroarene | |
bisphenol a | 4,4'-isopropylidene diphenol: stimulates proliferative responses and cytokine productions of murine spleen cells and thymus cells in vitro bisphenol : By usage, the methylenediphenols, HOC6H4CH2C6H4OH, commonly p,p-methylenediphenol, and their substitution products (generally derived from condensation of two equivalent amounts of a phenol with an aldehyde or ketone). The term also includes analogues in the the methylene (or substituted methylene) group has been replaced by a heteroatom. bisphenol A : A bisphenol that is 4,4'-methanediyldiphenol in which the methylene hydrogens are replaced by two methyl groups. | bisphenol | endocrine disruptor; environmental contaminant; xenobiotic; xenoestrogen |
indirubin | |||
staurosporine | indolocarbazole alkaloid; organic heterooctacyclic compound | apoptosis inducer; bacterial metabolite; EC 2.7.11.13 (protein kinase C) inhibitor; geroprotector | |
7-hydroxystaurosporine | |||
fascaplysine | fascaplysine: from tropic sea sponges | ||
LSM-4272 | beta-carbolines | ||
7h-pyrido(4,3-c)carbazole | 7H-pyrido(4,3-c)carbazole: structure given in first source | ||
cyc 202 | seliciclib : 2,6-Diaminopurine carrying benzylamino, (2R)-1-hydroxybutan-2-yl and isopropyl substituents at C-6, C-2-N and N-9 respectively. It is an experimental drug candidate in the family of pharmacological cyclin-dependent kinase (CDK) inhibitors. | 2,6-diaminopurines | antiviral drug; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
sb 216763 | indoles; maleimides | ||
sorafenib | (trifluoromethyl)benzenes; aromatic ether; monochlorobenzenes; phenylureas; pyridinecarboxamide | angiogenesis inhibitor; anticoronaviral agent; antineoplastic agent; EC 2.7.11.1 (non-specific serine/threonine protein kinase) inhibitor; ferroptosis inducer; tyrosine kinase inhibitor | |
2H-pyrazolo[4,3-b]quinoxalin-3-amine | quinoxaline derivative | ||
cyclopamine | piperidines | glioma-associated oncogene inhibitor | |
pd 173955 | PD 173955: inhibits src family-selective tyrosine kinase; structure in first source | aryl sulfide; dichlorobenzene; methyl sulfide; pyridopyrimidine | tyrosine kinase inhibitor |
bms 214662 | 7-cyano-2,3,4,5-tetrahydro-1-(1H-imidazol-4-ylmethyl)-3-(phenylmethyl)-4-(2-thienylsulfonyl)-1H-1,4-benzodiazepine: a farnesyltransferase inhibitor; structure in first source BMS-214662 : A member of the class of benzodiazepines that is 2,3,4,5-tetrahydro-1H-1,4-benzodiazepine substituted by (1H-imidazol-5-yl)methyl, benzyl, (thiophen-2-yl)sulfonyl, and cyano groups at positions 1, 3R, 4 and 7, respectively. It is a potent inhibitor of farnesyltransferase (IC50 = 1.35nM) which was under clinical development for the treatment of solid tumors. | benzenes; benzodiazepine; imidazoles; nitrile; sulfonamide; thiophenes | antineoplastic agent; apoptosis inducer; EC 2.5.1.58 (protein farnesyltransferase) inhibitor |
7-n-butyl-6-(4'-hydroxyphenyl)-5h-pyrrolo(2,3b)pyrazine | |||
6-bromoindirubin-3'-oxime | 6-bromoindirubin-3'-oxime : A member of the class of biindoles that is indirubin substituted at position 6 by a bromo group and in which the keto group at position 3' has undergone condensation with hydroxylamine to form the corresponding oxime. 6-bromoindirubin-3'-oxime: structure in first source | ||
purvalanol b | purvalanol B: protein kinase inhibitor; structure in first source | purvalanol | protein kinase inhibitor |
purvalanol a | 6-((3-chloro)anilino)-2-(isopropyl-2-hydroxyethylamino)-9-isopropylpurine: purvalanol A is the (1R)-isomer; | purvalanol | |
2-methyl-5-(4-methylanilino)-1,3-benzothiazole-4,7-dione | aminotoluene | ||
cgp 60474 | substituted aniline | ||
cgp 74514a | |||
1,4-dimethoxy-10H-acridine-9-thione | acridines | ||
bms 387032 | N-(5-(((5-(1,1-dimethylethyl)-2-oxazolyl)methyl)thio)-2-thiazolyl)-4-piperidinecarboxamide: a CDK2 inhibitor with antineoplastic activity; structure in first source N-(5-{[(5-tert-butyl-1,3-oxazol-2-yl)methyl]sulfanyl}-1,3-thiazol-2-yl)piperidine-4-carboxamide : A secondary carboxamide resulting from the formal condensation of the carboxy group of piperidine-4-carboxylic acid with the amino group of 5-{[(5-tert-butyl-1,3-oxazol-2-yl)methyl]sulfanyl}-1,3-thiazol-2-amine. It is an ATP-competitive inhibitor of CDK2, CDK7 and CDK9 kinases and exhibits anti-cancer properties. | 1,3-oxazoles; 1,3-thiazoles; organic sulfide; piperidinecarboxamide; secondary carboxamide | angiogenesis inhibitor; antineoplastic agent; apoptosis inducer; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
sf 2370 | K-252a : A organic heterooctacyclic compound that is a potent inhibitor of protein kinase C and is isolated from Nocardiopsis sp K-252a SF 2370: indolocarbazole isolated from Actinomadura sp. SF-2370; structure given in first source | bridged compound; gamma-lactam; methyl ester; organic heterooctacyclic compound | antimicrobial agent; bacterial metabolite; EC 2.7.11.13 (protein kinase C) inhibitor; tropomyosin-related kinase B receptor antagonist |
sb 218078 | indolocarbazole | ||
quercetin | 7-hydroxyflavonol; pentahydroxyflavone | antibacterial agent; antineoplastic agent; antioxidant; Aurora kinase inhibitor; chelator; EC 1.10.99.2 [ribosyldihydronicotinamide dehydrogenase (quinone)] inhibitor; geroprotector; phytoestrogen; plant metabolite; protein kinase inhibitor; radical scavenger | |
genistein | 7-hydroxyisoflavones | antineoplastic agent; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; geroprotector; human urinary metabolite; phytoestrogen; plant metabolite; tyrosine kinase inhibitor | |
ellagic acid | catechols; cyclic ketone; lactone; organic heterotetracyclic compound; polyphenol | antioxidant; EC 1.14.18.1 (tyrosinase) inhibitor; EC 2.3.1.5 (arylamine N-acetyltransferase) inhibitor; EC 2.4.1.1 (glycogen phosphorylase) inhibitor; EC 2.5.1.18 (glutathione transferase) inhibitor; EC 2.7.1.127 (inositol-trisphosphate 3-kinase) inhibitor; EC 2.7.1.151 (inositol-polyphosphate multikinase) inhibitor; EC 2.7.4.6 (nucleoside-diphosphate kinase) inhibitor; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; EC 5.99.1.2 (DNA topoisomerase) inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; food additive; fungal metabolite; geroprotector; plant metabolite; skin lightening agent | |
purmorphamine | purmorphamine : A member of the class of purines that is purine substituted at C-2 by a 1-naphthyloxy group, at C-4 by a 4-morpholinophenylamino group, and at N-9 by a cyclohexyl group. purmorphamine: structure in first source | aromatic ether; morpholines; purines; secondary amino compound | osteogenesis regulator; SMO receptor agonist |
alvocidib | alvocidib : A synthetic dihydroxyflavone that is 5,7-dihydroxyflavone which is substituted by a 3-hydroxy-1-methylpiperidin-4-yl group at position 8 and by a chlorine at the 2' position (the (-)-3S,4R stereoisomer). A cyclin-dependent kinase 9 (CDK9) inhibitor, it has been studied for the treatment of acute myeloid leukaemia, arthritis and atherosclerotic plaque formation. alvocidib: structure given in first source | dihydroxyflavone; hydroxypiperidine; monochlorobenzenes; tertiary amino compound | antineoplastic agent; antirheumatic drug; apoptosis inducer; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
su 9516 | |||
(E)-3-(2-Hydroxyphenyl)-2-propenal | cinnamaldehydes | ||
granulatimide | granulatimide: minor alkaloids of the Brazilian ascidian Didemnum; structure in first source | ||
arcyriaflavin a | arcyriaflavin A: from marine ascidian, Eudistoma sp.; structure given in first source | indolocarbazole | |
pd 0183812 | PD 0183812: inhibits CDK4 and CDK6; structure in first source | ||
palbociclib | aminopyridine; aromatic ketone; cyclopentanes; piperidines; pyridopyrimidine; secondary amino compound; tertiary amino compound | antineoplastic agent; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor | |
jnj-7706621 | sulfonamide | ||
vx680 | N-arylpiperazine | ||
cyc 116 | 4-methyl-5-(2-(4-morpholinophenylamino)pyrimidin-4-yl)thiazol-2-amine: an aurora kinase inhibitor; structure in first source | ||
manumycin | manumycin A : A polyketide with formula C31H38N2O7 initially isolated from Streptomyces parvulus as a result of a random screening program for farnesyl transferase (FTase) inhibitors. It is a natural product that exhibits anticancer and antibiotic properties. manumycin: an NSAID; RN given for (1S-(1alpha,3(2E,4E,6S*),5alpha,5(1E,3E,5E),6alpha))-isomer; a farnesyl protein transferase inhibitor; from Streptomyces parvulus; MF C31-H38-N2-O7; structure given in first source | enamide; epoxide; organic heterobicyclic compound; polyketide; secondary carboxamide; tertiary alcohol | antiatherosclerotic agent; antimicrobial agent; antineoplastic agent; apoptosis inducer; bacterial metabolite; EC 1.8.1.9 (thioredoxin reductase) inhibitor; EC 2.5.1.58 (protein farnesyltransferase) inhibitor; marine metabolite |
cvt 313 | CVT 313: a potent inhibitor of CDK2 that prevents neointimal proliferation; structure given in first source | ||
zm 447439 | ZM447439 : A member of the class of quinazolines that is quinazoline which is substituted at positions 4, 6 and 7 by a (4-benzamidophenyl)nitrilo group, methoxy group and a 3-(morpholin-4-yl)propoxy group, respectively. It is an ATP-competitive inhibitor of Aurora A and Aurora B kinases with IC50 of 110 nM and 130 nM, respectively. | aromatic ether; benzamides; morpholines; polyether; quinazolines; secondary amino compound; tertiary amino compound | antineoplastic agent; apoptosis inducer; Aurora kinase inhibitor |
nu 6140 | 4-(6-cyclohexylmethoxy-9H-purin-2-ylamino)-N,N-diethylbenzamide: a cyclin-dependent kinase inhibitor; structure in first source | ||
cur 61414 | CUR 61414: inhibits the hedehog signaling pathway; structure in first source | ||
rgb 286638 | |||
at 7519 | 4-(2,6-dichlorobenzamido)-N-(piperidin-4-yl)-pyrazole-3-carboxamide : A member of the class of pryrazoles that is 4-amino-1H-pyrazole-3-carboxylic acid in which the primary amino group has been acylated by a 2,6-dichlorobenzoyl group and in which the carboxylic acid has been converted into a carboxamide by formal condensation with the primary amino group of 4-aminopiperidine. | dichlorobenzene; piperidines; pyrazoles; secondary carboxamide | antineoplastic agent; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
nvp-aew541 | |||
abt 869 | aromatic amine; indazoles; phenylureas | angiogenesis inhibitor; antineoplastic agent; EC 2.7.10.1 (receptor protein-tyrosine kinase) inhibitor | |
sch 54292 | SCH 54292: structure in first source | ||
pha 848125 | N,1,4,4-tetramethyl-8-((4-(4-methylpiperazin-1-yl)phenyl)amino)-4,5-dihydro-1H-pyrazolo(4,3-h)quinazoline-3-carboxamide: a cyclin dependent kinase inhibitor | ||
p276-00 | P276-00: antineoplastic, cyclin-dependent kinase inhibitor; structure in first source | ||
lde225 | sonidegib : A member of the classo of biphenyls that is the amide obtained by formal condensation of the carboxy group of 2-methyl-4'-(trifluoromethoxy)[1,1'-biphenyl]-3-carboxylic acid with the amino group of 6-(2,6-dimethylmorpholin-4-yl)pyridin-3-amine. Used (as its phosphate salt) for treatment of locally advanced basal cell carcinoma. sonidegib: specific Smoothened/Smo antagonist | aminopyridine; aromatic ether; benzamides; biphenyls; morpholines; organofluorine compound; tertiary amino compound | antineoplastic agent; Hedgehog signaling pathway inhibitor; SMO receptor antagonist |
gdc 0449 | HhAntag691: inhibits the hedgehog pathway and ABC transporters; has antineoplastic activity | benzamides; monochlorobenzenes; pyridines; sulfone | antineoplastic agent; Hedgehog signaling pathway inhibitor; SMO receptor antagonist; teratogenic agent |
cink4 | CINK4: cyclin-dependent kinase 4 inhibitor; may have tumor suppression activity; structure in first source | indoles | |
N-[[3-fluoro-4-[[2-(1-methyl-4-imidazolyl)-7-thieno[3,2-b]pyridinyl]oxy]anilino]-sulfanylidenemethyl]-2-phenylacetamide | thioureas | ||
ipi-926 | IPI-926: a semisynthetic derivative of cyclopamine that is a smoothened inhibitor with antineoplastic activity; structure in first source | piperidines | |
ldc067 | |||
bs 194 | |||
(R)-DRF053 | (R)-DRF053 : A member of the class of 2,6-diaminopurines that is 2,6-diamiopurine which is substituted by an isopropyl group at position 9 and in which the amino groups at positions 2 and 6 are substituted by a 1-hydroxybutan-2-yl and 3-(pyridin-2-yl)phenyl groups, respectively (the R enantiomer). A cyclin dependent kinase inhibitor, widely used as its hydrochloride hydrate. | 2,6-diaminopurines; phenylpyridine; primary alcohol; secondary amino compound | EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
plx4032 | aromatic ketone; difluorobenzene; monochlorobenzenes; pyrrolopyridine; sulfonamide | antineoplastic agent; B-Raf inhibitor | |
gsk 1363089 | GSK 1363089: a multikinase inhibitor that acts on Met, RON, Axl, and VEGFR; structure in first source | aromatic ether | |
tak-441 | TAK-441: structure in first source | ||
dabrafenib | 1,3-thiazoles; aminopyrimidine; organofluorine compound; sulfonamide | anticoronaviral agent; antineoplastic agent; B-Raf inhibitor | |
ribociclib | ribociclib: inhibits both CDK4 and CDK6 | ||
bay 1000394 | roniciclib: an antineoplastic agent that inhibits cyclin-dependent kinases; structure in first source | ||
pha 793887 | piperidinecarboxamide | ||
abemaciclib | |||
dinaciclib | pyrazolopyrimidine | ||
nms p937 | NMS P937: a polo-like kinase 1 inhibitor; structure in first source | ||
ly2940680 | |||
bs-181 | BS-181: a CDK7 inhibitor with antineoplastic activity | pyrazolopyrimidine | |
butyrolactone i | butyrolactone I: selective inhibitor of cdk2 & cdc2 kinase; structure given in first source | butenolide | |
3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-(6-(4-(4-ethylpiperazin-1-yl)-phenylamino)pyrimidin-4-yl)-1-methylurea | BGJ-398 : A member of the class of phenylureas that is urea in which a hydrogen attached to one of the nitrogens is replaced by a 2,6-dichloro-3,5-dimethoxyphenyl group, while the hydrogens attached to the other nitrogen are replaced by a methyl group and a 6-{[4-(4-ethylpiperazin-1-yl)phenyl]amino}pyrimidin-4-yl group. It is a potent and selective fibroblast growth factor receptor inhibitor. infigratinib: structure in first source | aminopyrimidine; dichlorobenzene; N-alkylpiperazine; N-arylpiperazine; phenylureas | antineoplastic agent; fibroblast growth factor receptor antagonist |
on123300 | ON123300: a protein kinase inhibitor; structure in first source | ||
cep-32496 | agerafenib: inhibitor of RAF family kinases; structure in first source | ||
pf-5274857 | 1-(4-(5'-chloro-3,5-dimethyl-2,4'-bipyridin-2'-yl)piperazin-1-yl)-3-(methylsulfonyl)propan-1-one: a potent and selective Smoothened antagonist that penetrates the blood-brain barrier; structure in first source | ||
sr-3029 | SR-3029: highly selective casein kinase 1delta/1epsilon inhibitor with potent antiproliferative properties; structure in first source | ||
amg 925 | AMG-925 : An organic heterotricyclic compound that is 9H-pyrido[4',3':4,5]pyrrolo[2,3-d]pyrimidine which is substituted by a [6-(hydroxyacetyl)-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl]nitrilo group at position 2 and by a trans-4-methylcyclohexyl group at position 9. It is a FLT3 and CDK4 dual kinase inhibitor that has antineoplastic activity. Currently under clinical investigation in patients with relapsed or refractory acute myeloid leukemia (AML). | ||
ly3009120 | LY3009120 : A member of the class of pyridopyrimidines that is pyrido[2,3-d]pyrimidine substituted by methylamino, 5-{[(3,3-dimethylbutyl)carbamoyl]amino}-4-fluoro-2-methylphenyl, and methyl groups at positions 2, 6 and 7, respectively. It is a potent pan RAF inhibitor which inhibits BRAF(V600E), BRAF(WT) and CRAF(WT) (IC50 = 5.8, 9.1 and 15 nM, respectively). It also inhibits RAF homo- and heterodimers and exhibits anti-cancer properties. LY3009120: a pan-RAF inhibitor; structure in first source | aminotoluene; aromatic amine; biaryl; monofluorobenzenes; phenylureas; pyridopyrimidine; secondary amino compound | antineoplastic agent; apoptosis inducer; autophagy inducer; B-Raf inhibitor; necroptosis inhibitor |
[4-amino-2-[2-methoxy-4-(4-methyl-1-piperazinyl)anilino]-5-thiazolyl]-(2,6-dichlorophenyl)methanone | aromatic ketone | ||
can 508 | CAN 508: has antiangiogenic activity; structure in first source CAN-508 : A member of the class of pyrazoles that is 1H-pyrazole substituted by amino, (4-hydroxyphenyl)diazenyl, and amino groups at positions 3, 4 and 5, respectively. It is a CDK9 inhibitor (IC50 = 0.35 muM) with 38-fold selectivity for CDK9/cyclin T over other CDK/cyclin complexes. | aromatic amine; monoazo compound; phenols; pyrazoles | angiogenesis inhibitor; antineoplastic agent; apoptosis inducer; EC 2.7.11.22 (cyclin-dependent kinase) inhibitor |
pteroic acid | pteroic acid: structure | pteroic acid | |
ro 3306 | RO 3306: structure in first source | ||
ARS-1620 | ARS-1620 : A qinazoline derivative carrying chloro and fluoro substituents at positions 6 and 8 respectively, a 2-fluoro-6-hydroxyphenyl group at position 7, and a 4-(prop-2-enoyl)piperazin-1-yl group at position 4. A potent, selective, and orally bioavailable covalent KRAS-G12C inhibitor, it inhibits the protein coding gene KRAS (Kirsten rat sarcoma virus) with high potency in cells and animals. ARS-1620: covalent S-IIP G12C inhibitor for targeting of KRAS G12C mutant tumors | quinazolines | antineoplastic agent; antiviral agent; inhibitor |
sotorasib | sotorasib : A pyridopyrimidine that is pyrido[2,3-d]pyrimidin-2(1H)-one substituted by 4-methyl-2-(propan-2-yl)pyridin-3-yl, (2S)-2-methyl-4-(prop-2-enoyl)piperazin-1-yl, fluoro and 2-fluoro-6-hydroxyphenyl groups at positions 1, 4, 6 and 7, respectively. It is approved for the treatment of patients with non-small cell lung cancer having KRAS(G12C) mutations. sotorasib: a KRAS(G12C) inhibitor | acrylamides; methylpyridines; monofluorobenzenes; N-acylpiperazine; phenols; pyridopyrimidine; tertiary amino compound; tertiary carboxamide | antineoplastic agent |