Evidence map›Paper›PMID 19961838›Full record

ArticleBrain research2010

Albumin activates astrocytes and microglia through mitogen-activated protein kinase pathways.

Hantamalala Ralay Ranaivo, Mark S Wainwright

Open access · greenAbstract read
In one paragraph

Article in Brain research, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed, 1 pooled it
1.3field-weighted citation impact, top 21% 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

49 citing papers in PubMed, 1 synthesis or guideline pooled it, 89 citations in OpenAlex.

  1. Pooled it
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  5. Mechanistic insights into the liver-brain axis during chronic liver disease.Nature reviews. Gastroenterology & hepatology · 2026
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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

2 authors at 1 institution in 1 country.

Hantamalala Ralay RanaivoDepartment of Pediatrics, Division of Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
Mark S Wainwright
Northwestern University · US

Funding

Glial Activation Following Perinatal Hypoxia-IschemiaK08NS044998 · NINDS · LURIE CHILDREN'S HOSPITAL OF CHICAGO · PI WAINWRIGHT, MARK STEPHEN · 2004 to 2008
$821k
NINDS NIH HHS K08 NS044998NINDS NIH HHS KO8 NS044998
6 · The paper itself

Abstract

Following acute brain injury, albumin may gain access to the brain parenchyma. Clinical studies indicate a protective role for albumin in stroke but an increase in mortality associated with albumin administration following traumatic brain injury. We investigated the effects of albumin on astrocyte and microglial activation, and the role of mitogen-activated protein kinases (MAPK) in these responses. Albumin activated ERK1/2, p38 MAPK and JNK signaling pathways in astrocytes, and induced the production of interleukin (IL)-1beta, inducible nitric oxide (NO) synthase, the NO metabolite nitrite, and the chemokine CX3CL1 while reducing the level of S100B. The release of inflammatory markers by astrocytes was partially dependent on p38 MAPK and ERK1/2 pathways, but not JNK. In microglia, albumin exposure activated all three MAPK pathways and produced an increase in IL-1beta and nitrite. Inhibition of p38 MAPK in microglia leads to an increased level of IL1beta, while inhibition of all three MAPKs suppressed the release of nitrite. These results suggest that albumin activates astrocytes and microglia, inducing inflammatory responses involved both in the mechanisms of cellular injury and repair via activation of MAPK pathways, and thereby implicate glial activation in the clinical responses to administration of albumin.

Indexed as

AlbuminsAnimalsAstrocytesCells, CulturedCell SurvivalCerebral CortexChemokine CX3CL1Extracellular Signal-Regulated MAP KinasesInterleukin-1betaMAP Kinase Signaling SystemMicrogliaMitogen-Activated Protein KinasesNerve Growth FactorsNitritesp38 Mitogen-Activated Protein KinasesRatsAlbuminsChemokine CX3CL1Cx3cl1 protein, ratExtracellular Signal-Regulated MAP KinasesInterleukin-1betaMitogen-Activated Protein KinasesNerve Growth FactorsNitritesp38 Mitogen-Activated Protein KinasesS100b protein, ratS100 Calcium Binding Protein beta SubunitS100 Proteins

Identifiers

PMID19961838
PMCPMC2812578
OpenAlexW1976693911

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.