| Identification | Back Directory | [Name]
1,7-Diaminoheptane, N-amidino- | [CAS]
150333-69-0 | [Synonyms]
2-(7-aminoheptyl)guanidine
Guanidine, N-(7-aminoheptyl)-
1,7-Diaminoheptane, N-amidino-
N1-Guanyl-1,7-diaminoheptane (GC7) | [Molecular Formula]
C8H20N4 | [MDL Number]
MFCD31619261 | [MOL File]
150333-69-0.mol | [Molecular Weight]
172.27 |
| Hazard Information | Back Directory | [Uses]
GC7 Sulfate is a deoxyhypusine synthase (DHPS) inhibitor. | [Definition]
ChEBI: Polyamine that can act as an inhibitor of deoxyhypusine synthase activity (GO:0034038). | [General Description]
A cell-permeable inhibitor that targets the spermidine-binding site of Deoxyhypusine Synthase (Ki = 9.7 nM), an enzyme which is responsible for the first step hypunisation of eukaryotic initiation factor 5A (eIF5A). In vivo, it demonstrates almost complete cessation of hypusine formation in CHO cells at ≥ 1 μM. Several studies indicate this compound as a useful tool for the down-regulation of eIF5A, a protein essential for cell proliferation. For example, it exhibits an anti-proliferative effect on both BCR-ABL -positive and -negative leukemia cell lines (K562 and HL-60) dose-dependently, at concentrations between 5 μM and 40 μM. In addition, it is shown to significantly impair the growth and invasion of primary HCC cells (HepG2 and Hep3B) in the 10-20 μM range, and against non-tumorigenic CL-48 cells at concentrations as high as 40 μM, with no apparent cytotoxicity. At 25 μM, GC7 treatment is shown to reverse eIF5a-mediated Skeletal Muscle Stem Cell Differentiation. | [References]
[1] Bandino A, et al. Deoxyhypusine synthase (DHPS) inhibitor GC7 induces p21/Rb-mediated inhibition of tumor cell growth and DHPS expression correlates with poor prognosis in neuroblastoma patients. Cell Oncol (Dordr). 2014 Dec;37(6):387-98. DOI:10.1007/s13402-014-0201-9
[2] Lou B, et al. N1-guanyl-1,7-diaminoheptane (GC7) enhances the therapeutic efficacy of doxorubicin by inhibiting activation of eukaryotic translation initiation factor 5A2 (eIF5A2) and preventing the epithelial-mesenchymal transition in hepatocellular carcinoma cells. Exp Cell Res. 2013 Oct 15;319(17):2708-17. DOI:10.1016/j.yexcr.2013.08.010 |
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Merck KGaA
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