1. Anti-infection
    Apoptosis
  2. Bacterial
    Apoptosis
  3. Siomycin A

Siomycin A 

Cat. No.: HY-P1687
Handling Instructions

Siomycin A is a thiopeptide antibiotic and is a Forkhead box M1(FOXM1) selective inhibitor without affecting other members of the Forkhead box family. Siomycin A has anti-tumor and promotes apoptosis.

For research use only. We do not sell to patients.

Siomycin A Chemical Structure

Siomycin A Chemical Structure

CAS No. : 12656-09-6

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Description

Siomycin A is a thiopeptide antibiotic and is a Forkhead box M1(FOXM1) selective inhibitor without affecting other members of the Forkhead box family. Siomycin A has anti-tumor and promotes apoptosis[1][2].

IC50 & Target

Forkhead box M1(FOXM1)[1]

In Vitro

Siomycin A (0-10 µM; 24-72 hours; K562, MCF7 and MiaPaCa-2 cells) treatment markedly reduces cell viability in a dose-dependent and a time-dependent association in K562, MCF7 and MiaPaCa-2 cells. Among the three cell lines, the IC50 of the human leukemia K562 cells is the lowest at 6.25 µM at 24 h, while that for the human pancreatic cancer MiaPaCa-2 cells is 6.38 µM. However, the IC50 of the human pancreatic cancer MiaPaCa-2 cells at 48 and 72 h are the lowest of the three cell lines, which are 0.76 and 0.54 µM, respectively[1].
Siomycin A (0-10 µM; MiaPaCa-2 cells) treatment has potent proapoptotic effect in MiaPaCa-2 cells[1].
Siomycin A (0-10 µM; 24 hours; MiaPaCa-2 cells) treatment significantly reduces the expression levels of MMP-2, MMP-9 and α-tubulin protein in the MiaPaCa-2 cells[1].

Cell Viability Assay[1]

Cell Line: K562, MCF7 and MiaPaCa-2 cells
Concentration: 0 µM, 0.625 µM, 1.25 µM, 2.5 µM, 5 µM or 10 µM
Incubation Time: 24, 48 and 72 hours
Result: Cell viability was markedly reduced in a dose-dependent and a time-dependent association.

Apoptosis Analysis[1]

Cell Line: MiaPaCa-2 cells
Concentration: 0 µM, 0.625 µM, 1.25 µM, 2.5 µM, 5 µM or 10 µM
Incubation Time:
Result: Promoted apoptosis of MiaPaCa-2 cells.

Western Blot Analysis[1]

Cell Line: MiaPaCa-2 cells
Concentration: 0 µM, 0.625 µM, 1.25 µM, 2.5 µM, 5 µM or 10 µM
Incubation Time: 24 hours
Result: The expression levels of MMP-2 and MMP-9 protein in the MiaPaCa-2 cells were significantly reduced in the 2.5, 5 and 10 µM groups.
In Vivo

Siomycin A (1 µM; subcutaneous injection; for 4 weeks; male Balb/c nude mice) pretreatment decreases tumour growth in an in vivo mouse model[2].

Animal Model: Four- to five-week old male Balb/c nude mice with IOMM-LEE cells[2]
Dosage: 1 µM-pretreated IOMM-Lee cells
Administration: Subcutaneous injection; for 4 weeks
Result: Decreased tumour growth in an in vivo mouse model.
Molecular Weight

1648.84

Formula

C₇₁H₈₁N₁₉O₁₈S₅

CAS No.

12656-09-6

SMILES

O=C1N[[email protected]]23[[email protected]@](N=C(C4=NC(C(NC(C(NC(C(N)=O)=C)=O)=C)=O)=CS4)CC3)([H])C5=CSC([[email protected]@]([[email protected]](OC(C6=CC([[email protected]@H](O)C)=C7C([[email protected]](O)([H])[[email protected]@H](C=C7)N[[email protected]](C(C)C)([H])C(NC(C(NC(C(N[[email protected]]1C)=O)=C)=O)=C)=O)=N6)=O)C)([H])NC(C8=CSC([[email protected]](NC([[email protected]]9([H])N=C(SC9)/C(NC(C([[email protected]](O)C)NC(C%10=CSC2=N%10)=O)=O)=C/C)=O)([H])[[email protected]](C)(O)[[email protected]](O)C)=N8)=O)=N5

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

References
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Keywords:

Siomycin ABacterialApoptosisInhibitorinhibitorinhibit

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