Recombinant Human Sterol O-acyltransferase 1 (SOAT1)

1. Soat-1 role in atherosclerosis PMID: 29567472
2. Several residues in one subunit closely interact with the same residues in the other subunit; mutating these res. to Cys does not lead to loss in enzyme activity. Mutating residues F453, A457, or H460 to Cys causes large loss in enzyme activity. PMID: 17691824
3. increase in the in vitro ACAT1 activity in PC-3 prostate cancer cells treated with androgen PMID: 18000807
4. The results suggest that rs1044925 polymorphism in ACAT1 gene is not only associated with serum LDL-C and nHDLC levels in healthy Chinese subjects in Chengdu area, but also with HDL-C level in subjects with endogenous hypertriglyceridemia. PMID: 18393248
5. RNA secondary structures located in the vicinity of the GGC(1274-1276) codon are required for production of the 56-kDa isoform. PMID: 18542101
6. ACAT inhibition may stimulate cholesterol-catabolic (cytochrome P450) pathway in lesion-macrophages. PMID: 18779653
7. Angiotensin II enhances foam cell formation by upregulating ACAT1 expression predominantly through the actions of AT(1) receptor via the G protein/c-Src/PKC/MAPK pathway in human monocyte-macrophages PMID: 18971559
8. Docosahexaenoic acid can act as a substrate for ACAT1. In the manner of a poor substrate, docosahexaenoic acid also inhibited the activity of ACAT1. PMID: 19217763
9. Results suggest that the ERK, p38MAPK and JNK signaling pathways may be involved in insulin-mediated regulation of ACAT1, but no PI3K and PLC-gamma signaling pathways were involved in the present study. PMID: 19269342
10. Leptin accelerates cholesteryl ester accumulation in human monocyte-derived macrophages by increasing ACAT-1 expression. PMID: 19625677
11. High ACAT1 expression is associated with estrogen receptor negative basal-like breast cancer. PMID: 19851860
12. Macrophages cope with cholesterol loading by using a novel mechanism: they produce more ER-derived vesicles with elevated ACAT1 enzyme activity without having to produce more ACAT1 protein. PMID: 20460577
13. the plaque-modulating effects of K-604 can be explained by stimulation of procollagen production independent of ACAT inhibition in addition to potent inhibition of macrophage ACAT-1 PMID: 20843517
14. Visfatin may down-regulate the ABCA1 expression and up-regulate the ACAT1 expression via PPARgamma signal transduction pathway, which decreases the outflow of free cholesterol, increases the content of cholesterol esters, and then induces foam cell formation. PMID: 20945045
15. In THP-1-derived macrophages and foam cells, the expression level of ACAT-1 and cellular cholesterol content increased significantly in response to asymmetric dimethylarginine treatment in a time- and concentration-dependent manner. PMID: 21177161
16. The present study shows that the C allele carriers of ACAT-1 rs1044925 SNP in male hyperlipidemic subjects had higher serum total cholesterol, HDL-cholesterol and ApoAI levels than the C allele noncarriers. PMID: 22243772
17. Essential oil of Pinus koraiensis leaves significantly inhibited hACAT1 levels in HepG2 cells. PMID: 22275303
18. Several lipid-related gene polymorphisms interact with overweight/obesity to modulate blood pressure levels. PMID: 23109900
19. ABCA1 and ACAT1 DNA methylation induced by homocysteine may play a potential role in ABCA1 and ACAT1 expression and the accumulation of cholesterol in monocyte-derived foam cells PMID: 23305686
20. The molecular mechanism of insulin action is mediated via interaction of the functional IRE upstream of the ACAT1 P1 promoter with C/EBPalpha and is MAPK-dependent. PMID: 23564383
21. The exo-endo trans-splicing is dependent on the interchromosomal region of the 4.3-kb human ACAT1 chimeric mRNA, and that the chimeric mRNA is necessary for the production of the ACAT1 56-kDa isoform. PMID: 23835473
22. Induction of apoptosis and necroptosis by 24(S)-hydroxycholesterol is dependent on activity ACAT1. PMID: 24407243
23. the enzyme activity of ACAT1 with Gln526 is less active than that of ACAT1 with Arg526 by 40%; Pro347 located near transmembrane domain 5 plays an important role in modulating enzyme catalysis PMID: 24517390
24. Data show that the C allele of acyl-CoA acyltransferase-1 (ACAT-1) rs1044925 was associated with a decreased risk of coronary artery disease and ischemic stroke patients. PMID: 24577316
25. Acat1 gene knock-out increases phagocytic uptake of amyloid beta-protein (1-42). PMID: 25339759
26. ACAT1 regulates glioblastoma-cell proliferation via modification of the Akt and/or the ERK1/2 pathway. PMID: 26252415
27. Our results demonstrated the contrasting effects of STC1 and STC2-derived peptides on human macrophage foam cell formation associated with ACAT1 expression and on HASMC migration. PMID: 27346255
28. TLR4 siRNA inhibits cell proliferation, migration and invasion by suppressing ACAT1 expression, suggesting that TLR4 may be a potential therapeutic target for the treatment of colorectal cancer PMID: 27177773
29. these results illustrate that ACAT1-catalyzed esterification of 24S-OHC with long-chain unsaturated fatty acid followed by formation of atypical LD-like structures at the ER membrane is a critical requirement for 24S-OHC-induced cell death. PMID: 27647838
30. ACAT1 has a role in regulating the dynamics of free cholesterols in plasma membrane which leads to the APP-alpha-processing alteration PMID: 26474739
31. Intracranial GBM xenografts were used to determine the effects of genetically silencing SOAT1 and SREBP-1 on tumor growth. PMID: 27281560
32. Higher Gleason grade was associated with lower LDLR expression, lower SOAT1 and higher SQLE expression. Besides high SQLE expression, cancers that became lethal despite primary treatment were characterized by low LDLR expression (odds ratio for highest versus lowest quintile, 0.37; 95% CI 0.18-0.76) and by low SOAT1 expression (odds ratio, 0.41; 95% CI 0.21-0.83). PMID: 28595267
33. Data indicate that mitotane confers adrenal-specific cytotoxicity and down-regulates steroidogenesis by inhibition of sterol-O-acyl-transferase 1 (SOAT1) leading to lipid-induced endoplasmic reticulum (ER) stress. PMID: 26305886
34. Suggest retinal pigment epithelium metabolism of 7-ketocholesterol occurs by esterification to fatty acids via cPLA2alpha and SOAT1 followed by selective efflux to HDL. PMID: 25617738
35. PLA/AT-1 is at least partly responsible for the generation of N-acylphosphatidylethanolamine in mammalian cells. PMID: 23994608
36. These studies demonstrate that both SIAE and SOAT activities seem to be responsible for the enhanced level of Neu5,9Ac(2) in lymphoblasts, which is a hallmark in acute lymphoblastic leukemia PMID: 21803834
37. the polymorphism of rs1044925 in the ACAT-1 gene is mainly associated with female serum total cholesterol, LDL-C and ApoB levels in the Bai Ku Yao population PMID: 21143839
38. These findings suggest the potential involvement of MAPK and STAT pathways in norcantharidin-induced apoptogenesis. PMID: 21266192
39. SF-1-dependent up-regulation of SOAT1 may be important for maintaining readily-releasable cholesterol reserves needed for active steroidogenesis and during episodes of recurrent stress. PMID: 21239516
40. Observational study of gene-disease association, gene-environment interaction, and pharmacogenomic / toxicogenomic. (HuGE Navigator) PMID: 20628086
41. Results show that signaling through ACAT/cholesterol esterification is a novel pathway for the CCK2R that contributes to tumor cell proliferation and invasion. PMID: 19502590
42. allosteric activation by cholesterol PMID: 12533546
43. polymorphism of the gene encoding acyl-coenzyme A: cholesterol acyltransferase 1 (SOAT1) is involved in the regulation of beta-amyloid peptide generation, is associated with low brain amyloid load and with low cerebrospinal fluid levels of cholesterol PMID: 12851640
44. ACAT-1 transcripts predominate in human liver and ACAT-2 transcripts predominate in human duodenum and support the notion that ACAT-2 has an important regulatory role in liver and intestine. PMID: 14729857
45. expression in monocytes infiltrating from the circulation to vascular walls may be enhanced by pre-existing transforming growth factor-beta1 PMID: 15219857
46. A stable upstream stem-loop structure enhances selection of the first 5'-ORF-AUG as a main start codon for translation initiation of ACAT1 mRNA. PMID: 15253151
47. increasing DGAT1, ACAT1, or ACAT2 expression stimulates the assembly and secretion of VLDL from liver cells PMID: 15308631
48. a glucocorticoid response element (GRE) located within human ACAT1 gene P1 promoter to response to the elevation of human ACAT1 gene expression by dexamethasone could be functionally bound with glucocorticoid receptor (GR) proteins. PMID: 15353128
49. The results of a comprehensive genetic assessment of SOAT1 variants in the NIMH AD Genetics Initiative study sample are presented. PMID: 15768051
50. Disulfide linkage map shows that cysteine(C)92 is located on the cytoplasmic side of the endoplasmic reticulum (ER) membrane and the disulfide is located in the ER lumen, while all other free Cs are located within the hydrophobic region(s) of the enzyme. PMID: 15850387

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HGNC: 11177

OMIM: 102642

KEGG: hsa:6646

STRING: 9606.ENSP00000356591

UniGene: Hs.445588