First-pass extracted concept

gene knockdown

Candidate: concept label1 source documents3 linked claims

Jump to explainers Jump to evidence Jump to sources Jump to claims

Live refresh every 5sNext refresh in 5s

Extracted Explainers

What the tool is doing

Gene knockdown reduces gene activity rather than creating a stable mutant knockout. In the abstract it is exemplified by antisense-treated animals.

Source 1DOI PubMed

What it does not solve

The abstract indicates that knockdown results may not cleanly reflect knockout biology because off-target effects can contribute to phenotype differences.

Source 1DOI PubMed

Alternatives

The abstract directly contrasts knockdowns with gene knockouts.

Source 1DOI PubMed

Evidence Snippets

Several recent studies in a number of model systems including zebrafish, Arabidopsis, and mouse have revealed phenotypic differences between knockouts (i.e., mutants) and knockdowns (e.g., antisense-treated animals).

Evidence 1Source 1DOI PubMedprovenance

Supporting Sources

Source 1review2017PLoS GeneticsDOI PubMed

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

Linked Claims

Claim 1alternative explanationsupports2017Source 1DOI PubMed

Phenotypic differences between knockouts and knockdowns have been attributed in part to off-target effects of antisense reagents.

Claim 2mutation specific compensationsupports2017Source 1DOI PubMed

A zebrafish study reported genetic compensation in egfl7 mutants but not in knockdown animals.

Claim 3phenotype discrepancy observedsupports2017Source 1DOI PubMed

Recent studies across zebrafish, Arabidopsis, and mouse have reported phenotypic differences between gene knockouts and gene knockdowns.