Mer-NF8054X
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| Category | Antibiotics |
| Catalog number | BBF-03652 |
| CAS | 157414-01-2 |
| Molecular Weight | 458.63 |
| Molecular Formula | C28H42O5 |
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Description
It is an antifungal steriod produced by the strain of Aspergillus ustus NF-8054. Mer-NF8054X has the activity against several Aspergillus fumigatus strains.
Specification
| Synonyms | Mer NF8054X; 3,5,9,23-Tetrahydroxy-18,22-cycloergosta-6,8(14)-dien-11-one |
| IUPAC Name | (5R,6S,7R,12S,13S,16S,18R)-12,16,18-trihydroxy-7-[(1S,2R)-1-hydroxy-2,3-dimethylbutyl]-6,13-dimethylpentacyclo[10.8.0.02,9.05,9.013,18]icosa-1,19-dien-11-one |
| Canonical SMILES | CC1C2CCC3=C4C=CC5(CC(CCC5(C4(C(=O)CC23CC1C(C(C)C(C)C)O)O)C)O)O |
| InChI | InChI=1S/C28H42O5/c1-15(2)16(3)24(31)19-13-26-14-23(30)28(33)22(21(26)7-6-20(26)17(19)4)9-11-27(32)12-18(29)8-10-25(27,28)5/h9,11,15-20,24,29,31-33H,6-8,10,12-14H2,1-5H3/t16-,17-,18+,19-,20-,24+,25+,26?,27+,28-/m1/s1 |
| InChI Key | MUYUFHKTKLPWIW-OWPLYGPRSA-N |
Properties
| Antibiotic Activity Spectrum | fungi |
| Boiling Point | 647.5°C at 760 mmHg |
| Melting Point | 109-111°C |
| Density | 1.23 g/cm3 |
Reference Reading
1. [Induction of cell differentiation and development of new anticancer drugs]
Noriko Takahashi Yakugaku Zasshi. 2002 Aug;122(8):547-63. doi: 10.1248/yakushi.122.547.
Cell differentiation is essential for normal growth and homeostasis, and drug-induced differentiation of tumor cells into benign or normal cells is an important approach for anticancer chemotherapy. Studies of induction mechanisms for cell differentiation and discovery of differentiation-inducing factors are thus critical components of drug development. The Screening of differentiation-inducing factors, such as purified aldehyde reductase, a xenobiotic metabolite enzyme, that induces differentiation of human acute myeloid leukemia HL60 cells into monocyte/macrophage cells is described. Mechanisms of all-trans-retinoic acid (RA)-induced differentiation are also covered. RA is a potent inducer of HL60 cell differentiation and when used as a sole agent it can induce complete remission in patients with acute promyelocytic leukemia (APL). While one mechanism of the effect of RA involves RA nuclear receptors, retinoylation (a posttranslational modification of proteins by RA) may be a new nongenomic mechanism by which RA acts on cells. An early event in RA-induced differentiation may be retinoylation of RII alpha (regulatory subunits of cAMP-dependent protein kinase), in which RII alpha units are retinoylated and the retinoylated RII alpha is then translocated to the nucleus. Drugs can also be combined with RA in RA-differentiation therapy. Cytodifferation therapy by RA in APL patients exhibits limitations due to the resistance of relapsed patients to further RA treatment. This may occur through the induction of expression of various genes that reduce RA blood concentrations. Treatment with combinations of RA and other agents may be one way to reduce induction of those genes. Good candidates for such agents include cAMP-elevating agents, retinoids, steroids, and fatty acids that synergistically induce differentiation of HL60 cells. Two derivatives of falconensone A, falconensone A p-bromophenylhydrazone, which has a bromophenyl residue, and falconensone A dioxime, which possesses a hydroxy residue, were synthesized to incorporate features of RA and N-[4-hydroxyphenyl] retinamide. Both derivatives have exhibited more potent biological activity than the parent falconensone A in vitro and in vivo.
2. Induction of differentiation and apoptosis in human promyelocytic leukemia HL60 cell line by a new type of steroids
N Takahashi, T Fukui, A Iwahori, Y Kubo, T Hosoe, K Kawai Exp Cell Res. 1998 Dec 15;245(2):313-20. doi: 10.1006/excr.1998.4254.
Mer-NF8054X is a new type of steroid whose structure has been established as 11-oxo-18, 22-cycloergosta-6, 8(14)-diene-3beta, 5beta, 9beta, 23S-tetraol (an 18, 22-cycloergostane), which has been reported to have antifungal activity against Aspergillus fumigatus. However, other biological activities are unknown. Herein, we reported that Mer-NF8054X inhibited cell growth of HL60 human leukemia cells, when used either singly or in combination with retinoic acid (RA). In addition, Mer-NF8054X alone induced differentiation and apoptosis of HL60 cells. The induction of differentiation of HL60 cells by Mer-NF8054X was synergistic in combination with RA. On the other hand, Emesterone A, an analogue of Mer-NF8054X which is missing a hydroxy residue from the third position, showed much lower activity than Mer-NF8054X on the inhibition of cell growth and the induction of cell differentiation and apoptosis. However, Emesterone B, an analogue of Emesterone A which is missing a hydroxy residue from the fifth position, showed higher activity than Emesterone A but lower activity than Mer-NF8054X when examined for the inhibition of cell growth and the induction of cell differentiation and apoptosis. These results suggested that Mer-NF8054X and its analogs may be a new type of differentiation inducing agent. The hydroxy residue at the third position or fifth position in Mer-NF8054X may be necessary, but not essential, for inhibition of growth and induction of both differentiation and apoptosis of HL60 cells. In addition, Mer-NF8054X enhanced the differentiation of HL60 cells induced by RA. Based on these results, Mer-NF8054X may have utility in the clinic in combination with RA for leukemia patients.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
