Evidence map›Paper›PMID 21880477›Full record

ArticleProstaglandins, leukotrienes, and essential fatty acids2011

Regulation of rat brain polyunsaturated fatty acid (PUFA) metabolism during graded dietary n-3 PUFA deprivation.

Hyung-Wook Kim, Jagadeesh S Rao, Stanley I Rapoport, Miki Igarashi

Abstract read
In one paragraph

Article in Prostaglandins, leukotrienes, and essential fatty acids, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
5.9field-weighted citation impact, top 3% 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

31 citing papers in PubMed, 46 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Fatty acid transporting proteins: Roles in brain development, aging, and stroke.Prostaglandins, leukotrienes, and essential fatty acids · 2018
    Review
  5. Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
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

4 authors at 2 institutions in 1 country.

Hyung-Wook KimBrain Physiology and Metabolism Section, National Institute on Aging, National Institutes of Health, Bldg. 9, Room 1S126, Bethesda, MD 20892, USA. peterkhw@gmail.com
Jagadeesh S Rao
Stanley I Rapoport
Miki Igarashi
National Institute on Aging · USNational Institutes of Health · US

Funding

Lipid Nutrition and the BrainZIAAG000399 · NIA · NATIONAL INSTITUTE ON AGING · PI RAPOPORT, STANLEY I. · 2009 to 2014
$3.7M
Lipid Nutrition and the BrainZ01AG000399 · NIA · NATIONAL INSTITUTE ON AGING · PI RAPOPORT, STANLEY I. · 2005 to 2008
$1.2M
Intramural NIH HHS Z01 AG000399
6 · The paper itself

Abstract

Knowing threshold changes in brain lipids and lipid enzymes during dietary n-3 polyunsaturated fatty acid deprivation may elucidate dietary regulation of brain lipid metabolism. To determine thresholds, rats were fed for 15 weeks DHA-free diets having graded reductions of α-linolenic acid (α-LNA). Compared with control diet (4.6% α-LNA), plasma DHA fell significantly at 1.7% dietary α-LNA while brain DHA remained unchanged down to 0.8% α-LNA, when plasma and brain docosapentaenoic acid (DPAn-6) were increased and DHA-selective iPLA(2) and COX-1 activities were downregulated. Brain AA was unchanged by deprivation, but AA selective-cPLA(2), sPLA(2) and COX-2 activities were increased at or below 0.8% dietary α-LNA, possibly in response to elevated brain DPAn-6. In summary, homeostatic mechanisms appear to maintain a control brain DHA concentration down to 0.8% dietary DHA despite reduced plasma DHA, when DPAn-6 replaces DHA. At extreme deprivation, decreased brain iPLA(2) and COX-1 activities may reduce brain DHA loss.

Indexed as

alpha-Linolenic AcidAnimalsBrainBrain-Derived Neurotrophic FactorCyclooxygenase 1Cyclooxygenase 2Dietary FatsDocosahexaenoic AcidsFatty Acids, UnsaturatedFemaleGene ExpressionLipoxygenaseLiverMaleMembrane ProteinsPhospholipases A2alpha-Linolenic AcidBrain-Derived Neurotrophic FactorCyclooxygenase 1Cyclooxygenase 2Dietary FatsDocosahexaenoic AcidsFatty Acids, UnsaturatedLipoxygenaseMembrane ProteinsPhospholipases A2Ptgs1 protein, ratPtgs2 protein, rat

Identifiers

PMID21880477
PMCPMC3208751
OpenAlexW2016002102

What OpenQuestion holds

Textmetadata
LicenceTDM
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.