Evidence map›Paper›PMID 12482970›Full record

ArticleMolecular and cellular biology2003

Induction of apoptosis by sphingoid long-chain bases in Aspergillus nidulans.

Jijun Cheng, Tae-Sik Park, Li-Chun Chio, Anthony S Fischl, Xiang S Ye

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
2.7field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

66 citing papers in PubMed, 148 citations in OpenAlex.

  1. Review
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  9. Article
  10. Anti-Journal of fungi (Basel, Switzerland) · 2023
    Article
  11. Article
  12. Article
  13. Two new sphingolipids from the stem bark ofBiochemistry and biophysics reports · 2021
    Article
  14. Article
  15. Mass Spectrometric Analysis of Bioactive Sphingolipids in Fungi.Methods in molecular biology (Clifton, N.J.) · 2021
    Article
  16. Review
  17. Novel Antifungal Agents and Their Activity againstJournal of fungi (Basel, Switzerland) · 2020
    Review
  18. Article
  19. Article
  20. Article

6 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Jijun ChengInfectious Diseases Research, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285, USA.
Tae-Sik Park
Li-Chun Chio
Anthony S Fischl
Xiang S Ye
Eli Lilly (United States) · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Sphingolipid metabolism is implicated to play an important role in apoptosis. Here we show that dihydrosphingosine (DHS) and phytosphingosine (PHS), two major sphingoid bases of fungi, have potent fungicidal activity with remarkably high structural and stereochemical specificity against Aspergillus nidulans. In fact, only naturally occurring DHS and PHS are active. Further analysis revealed that DHS and PHS induce rapid DNA condensation independent of mitosis, large-scale DNA fragmentation, and exposure of phosphatidylserine, all common morphological features characteristic of apoptosis, suggesting that DHS and PHS induce apoptosis in A. nidulans. The finding that DNA fragmentation requires protein synthesis, which implies that an active process is involved, further supports this proposition. The induction of apoptosis by DHS and PHS is associated with the rapid accumulation of reactive oxygen species (ROS). However, ROS are not required for apoptosis induced by DHS and PHS, as scavenging of ROS by a free radical spin trap has no effect. We further demonstrate that apoptosis induced by DHS and PHS is independent of metacaspase function but requires mitochondrial function. Together, the results suggest that DHS and PHS induce a type of apoptosis in A. nidulans most similar to the caspase-independent apoptosis observed in mammalian systems. As A. nidulans is genetically tractable, this organism should be an ideal model system for dissecting sphingolipid signaling in apoptosis and, importantly, for further elucidating the molecular basis of caspase-independent apoptosis.

Indexed as

Antifungal AgentsApoptosisAspergillus nidulansBase SequenceBiomarkersCaspasesDNA FragmentationDNA, FungalFungal ProteinsGene DeletionMitochondriaMitosisMolecular Sequence DataMutationReactive Oxygen SpeciesSaccharomyces cerevisiae ProteinsAntifungal AgentsBiomarkersCaspasesDNA, FungalFungal ProteinsMCA1 protein, S cerevisiaephytosphingosineReactive Oxygen SpeciesSaccharomyces cerevisiae ProteinssafingolSphingosine

Identifiers

PMID12482970
PMCPMC140675
OpenAlexW2162062509

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.