1998
DOI: 10.1016/s0891-5849(98)00110-5
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Treatment of the budding yeast Saccharomyces cerevisiae with the lipid peroxidation product 4-HNE provokes a temporary cell cycle arrest in G1 phase

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Cited by 40 publications
(33 citation statements)
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“…Selected time points of 2 h and 11 days after incubation in presence of HNE were of interest to us. The ®rst time-point is identical to the generation time of S. cerevisiae and a series of previous studies 3,8,12 used this period to evaluate the biochemical response to HNE in yeast. The second timepoint corresponds to the resumption of proliferation of surviving cells, subsequent to the degeneration and removal of the aldehyde.…”
Section: Resultsmentioning
confidence: 99%
“…Selected time points of 2 h and 11 days after incubation in presence of HNE were of interest to us. The ®rst time-point is identical to the generation time of S. cerevisiae and a series of previous studies 3,8,12 used this period to evaluate the biochemical response to HNE in yeast. The second timepoint corresponds to the resumption of proliferation of surviving cells, subsequent to the degeneration and removal of the aldehyde.…”
Section: Resultsmentioning
confidence: 99%
“…At low concentrations (less than 5 mM), HNE has been reported to promote proliferation, 155 and a silent stimulation of antioxidant responses by low levels of HNE (hormesis) can be protective 72 against more drastic assaults such as by carcinogens. 142 At higher concentrations (20-100 mM), HNE causes cell cycle arrest, [120][121][122] disturbs differentiation 156,157 and triggers cell death. The modalities of apoptosis induction pathways are governed by the inherent nature of the cell, prone or not to ROS generation, the level of antioxidant defense and the induction of HNE metabolizing enzymes (summarized in Figure 5).…”
Section: Discussionmentioning
confidence: 99%
“…119,120 In HL60 cells, the way to limit HNE toxicity also seems to be based on the ability to stop cell cycle arrest in G0/G1 via the inhibition of cyclins D1, D2 and A and the hypophosphorylation of retinoblastoma protein (Rb). In 1998, Esterbauer et al 121 showed that treating the budding yeast Saccharomyces cerevisiae with HNE resulted in its temporary arrest in G1 phase. More recently, in prostate PC3 cells, HNE treatment was shown to trigger cell cycle arrest in G2/M, with dephosphorylation of cdc2.…”
Section: Hne Self Limits Apoptosis: Keeping Cool Under Pressurementioning
confidence: 99%
“…Several practical limitations are related to the low egg numbers and non-synchronous cell divisions in successive batches spawned by females. As shown by Wonisch et al (1998), the yeast Saccharomyces cerevisiae could be one suitable tool for the elucidation of the mode of action of reactive oxylipins, because the genome has been sequenced and culturing of strain STRg6 is easy, which is not the case with copepods, sea urchins or oysters. The identified erg6 mutant, which is susceptible to a broad range of diatomderived oxylipins, can provide a useful model system for further studies on inhibitory mechanisms on the cellular level.…”
Section: Discussionmentioning
confidence: 99%
“…Reactions are not specific and, consequently, the adduct formation induces adverse effects on a broad range of cell functions. The resulting effects include depletion of glutathione (Poot et al, 1987), the inhibition of DNA and protein synthesis (Poot et al, 1988) and induction of cell cycle arrest (Barrera et al, 1991;Wonisch et al, 1998). Fewer studies have been carried out with α,β,γ,δ-unsaturated aldehydes, which are also derived by oxidative transformations of polyunsaturated fatty acids.…”
mentioning
confidence: 99%