PUBLICATION

Biological screening of novel derivatives of valproic Acid for anticancer and antiangiogenic properties

Authors
Farooq, M., El-Faham, A., Khattab, S.N., Elkayal, A.M., Ibrahim, M.F., Taha, N.A., Baabbad, A., Wadaan, M.A., Hamed, E.A.
ID
ZDB-PUB-141009-9
Date
2014
Source
Asian Pacific journal of cancer prevention : APJCP   15: 7785-92 (Journal)
Registered Authors
Keywords
none
MeSH Terms
  • Angiogenesis Inhibitors/chemistry
  • Angiogenesis Inhibitors/pharmacology*
  • Animals
  • Animals, Genetically Modified
  • Anticonvulsants/pharmacology
  • Carcinoma, Hepatocellular/blood supply
  • Carcinoma, Hepatocellular/drug therapy*
  • Carcinoma, Hepatocellular/pathology
  • Cell Proliferation/drug effects*
  • Cells, Cultured
  • Embryo, Nonmammalian/cytology
  • Embryo, Nonmammalian/drug effects*
  • HEK293 Cells
  • Humans
  • Liver Neoplasms/blood supply
  • Liver Neoplasms/drug therapy*
  • Liver Neoplasms/pathology
  • Molecular Structure
  • Neovascularization, Pathologic/prevention & control*
  • Valproic Acid/pharmacology*
  • Zebrafish
PubMed
25292064 Full text @ Asian Pac. J. Cancer Prev.
Abstract
Valproic acid (VPA) is a potent anticancer and antiangiogenic agent. However, design and synthesis of chemical derivatives with improved antiangiogenic and anticancer activities are still necessary. In this study a library of novel derivatives of VPA was synthesized and tested.
A human liver cancer cell line (HepG2) and a human normal embryonic kidney cell line (HEK 293) were exposed to various concentrations of VPA derivatives for 24 hours and cell viability was checked by MTT colorimetric assay. Anti-angiogenic properties were evaluated in transgenic zebrafish embryos.
N-valproylglycine derivatives suppressed survival almost 70% (p value 0.001) in HepG2 cells but only 10-12% in HEK 293 cells (p value 0.133). They also suppressed angiogenic blood vessel formation by 80% when used between 2-20 μM in zebrafish embryos. Valproic acid hydrazides showed moderate level of anticancer activity by affecting 30-50% (p value 0.001) of cell viability in HepG2 cells and 8-10% in HEK293 cells (p value 0.034).
The majority of compounds in this study showed potent and stronger antiangiogenic and anticancer activity than VPA. They proved selectively toxic to cancer cells and safer for normal cells. Moreover, these compounds inhibited developmental angiogenesis in zebrafish embryos. Based on the fact that liver is a highly vascularized organ, in case of liver carcinoma these compounds have the potential to target the pathological angiogenesis and could be an effective strategy to treat hepatocellular carcinoma.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping