First-pass extracted concept

4-hydroxy-2-nonenal

Candidate: concept label1 source documents3 linked claims

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Aliases

4-HNE

Extracted Explainers

What the tool is doing

4-HNE is presented as a major omega-6 fatty-acid-derived lipid peroxidation product and the review's particular emphasis. The abstract states that it can stimulate gene expression and cell survival, but can also inhibit gene expression and promote cell death.

Source 1DOI PubMed

What problem it solves

It provides a concrete molecular mediator linking lipid peroxidation to signaling, physiology, and pathology.

Source 1DOI PubMed

What it does not solve

The abstract does not specify how 4-HNE should be measured, manipulated, or deployed as a tool.

Source 1DOI PubMed

Alternatives

The abstract contrasts 4-HNE with MDA as the other main aldehyde product in scope.

Source 1DOI PubMed

Evidence Snippets

...two main omega-6 fatty acids lipid peroxidation products: malondialdehyde (MDA) and, in particular, 4-hydroxy-2-nonenal (4-HNE), summarizing not only its physiological and protective function as signaling molecule stimulating gene expression and cell survival, but also its cytotoxic role inhibiting gene expression and promoting cell death.

Evidence 1Source 1DOI PubMedprovenance

Supporting Sources

Source 1review2014Oxidative Medicine and Cellular LongevityDOI PubMed

1 evidence snippet 3 linked claims Claim 1 Claim 2 Claim 3

Linked Claims

Claim 1disease relevancesupports2014Source 1DOI PubMed

The review presents common pathological processes linked to MDA and 4-HNE and overviews in vivo mammalian model systems used to study lipid peroxidation.

Claim 2functional rolesupports2014Source 1DOI PubMed

4-HNE is described as having both physiological protective signaling functions that stimulate gene expression and cell survival and cytotoxic functions that inhibit gene expression and promote cell death.

Claim 3review scope summarysupports2014Source 1DOI PubMed

The review focuses on biochemical concepts of lipid peroxidation and on the production, metabolism, and signaling mechanisms of MDA and especially 4-HNE.