title: [Effect of diallyl disulfide on the expression and secretion of VEGF in HL-60 cells].
abstract: OBJECTIVE
  To investigate the proliferation inhibition of human leukemic cell line HL-60 and the expression of vascular endothelial growth factor (VEGF) mRNA and secretion of VEGF protein in HL-60 cells treated with diallyl disulfide (DADS).
  
  
  METHODS
  MTT was used to test the cell growth, semi-quantitative RT-PCR and ELISA to study the expression of VEGF mRNA and secretion of VEGF protein.
  
  
  RESULTS
  DADS significantly inhibited proliferation of HL-60 cell and the inhibiting effects showed a dose (r > 0.9, P < 0.01) and time-dependent( r > 0.7, P < 0.01) manner. The expression of VEGF mRNA and secretion of VEGF protein could be down regulated by 0.625, 1.250, and 2.500 microg/mL DADS in HL-60 cells for 24,48 and 72 hours exposure and the effects also showed dose -dependence(r > 0.9, P < 0.01). The growth inhibition rates of DADS in HL-60 cells at three dosages for 24 hours were (8.19 +/- 3.34)%, (16.79 +/- 2.07)% and (21.30 +/- 2.72)%, those for 48 hours were (11.93 +/- 3.93)%, (22.81 +/- 2.31)% and (30.74 +/- 2.03)%, for 72 hours were (16.68 +/- 2.37)%, (28.54 +/- 3.26)% and (36.59 +/- 2.37)% respectively, The difference between the DADS-treated and untreated HL-60 cells was statistically significant (P < 0.01). There were also statistically significant differences among the three groups of different dosages (P < 0.01).
  
  
  CONCLUSIONS
  DADS can effectively inhibit the proliferation of HL-60 cells. DADS probably exerts its anti-leukemia effects by reducing the expression of VEGF mRNA and secretion of VEGF protein in HL-60 cells.
authors.affiliation: Department of Hematology, Third Affiliated Hospital, Xiangya Medical College, Central South University, Changsha 410013, China.
authors.forename: Zi-Li
authors.initials: ZL
authors.lastname: Fan
authors.forename: Zhen-Hua
authors.initials: ZH
authors.lastname: Qi
authors.forename: Yi
authors.initials: Y
authors.lastname: Xie
mesh_terms: D000498:Allyl Compounds / Q000494:pharmacology*; D000970:Antineoplastic Agents / Q000494:pharmacology*; D004220:Disulfides / Q000494:pharmacology*; D004305:Dose-Response Relationship, Drug; D018922:HL-60 Cells; D006801:Humans; D012333:RNA, Messenger / Q000096:biosynthesis; D020133:Reverse Transcriptase Polymerase Chain Reaction; D042461:Vascular Endothelial Growth Factor A / Q000096:biosynthesis* / Q000187:drug effects / Q000378:metabolism*
chemical_list: D000498:Allyl Compounds; D000970:Antineoplastic Agents; D004220:Disulfides; D012333:RNA, Messenger; C467484:VEGFA protein, human; D042461:Vascular Endothelial Growth Factor A; C028009:diallyl disulfide