Evidence map›Paper›PMID 22154819›Full record

ArticleNeurobiology of aging2012

Age-related severity of focal ischemia in female rats is associated with impaired astrocyte function.

Danielle K Lewis, Kristen T Thomas, Amutha Selvamani, Farida Sohrabji

Abstract readComparative Study
In one paragraph

Article in Neurobiology of aging, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
2.6field-weighted citation impact, top 12% 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

22 citing papers in PubMed, 37 citations in OpenAlex.

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  17. Cerebral ischemic stroke: is gender important?Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2013
    Review
  18. The effects of estrogen in ischemic stroke.Translational stroke research · 2013
    Review
  19. Review
  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 1 institution in 1 country.

Danielle K LewisWomen's Health in Neuroscience Program, Department of Neuroscience and Experimental Therapeutics, Texas A & M Health Science Center, College Station, TX 77843-1114, USA.
Kristen T Thomas
Amutha Selvamani
Farida Sohrabji
Texas A&M Health Science Center · US

Funding

Texas Consortium Program in Behavioral NeuroscienceT32MH065728 · NIMH · UNIVERSITY OF TEXAS AUSTIN · PI GONZALEZ-LIMA, FRANCISCO · 2002 to 2009
$4.9M
Epigenetics of the Aging Astrocyte: Implications for StrokeR01AG042189 · NIA · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI Farida Sohrabji · 2011 to 2026
$3.1M
Epigenetics of the Aging Astrocyte: Implications for StrokeRF1AG042189 · NIA · TEXAS A&M UNIVERSITY · PI SOHRABJI, FARIDA · 2018 to 2018
$2.8M
Neuroprotection in the Aging Female BrainR01NS074895 · NINDS · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI SOHRABJI, FARIDA · 2011 to 2015
$1.7M
Impact of Endocrine Aging on Brain and Immune ResponsesR01AG027684 · NIA · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI SOHRABJI, FARIDA · 2006 to 2010
$1.0M
Neuroprotection in the aging female brainR56NS074895 · NINDS · TEXAS A&M UNIVERSITY HEALTH SCIENCE CTR · PI SOHRABJI, FARIDA · 2017 to 2017
$520k
NIA NIH HHS AG027684NIA NIH HHS AG042189NIA NIH HHS R01 AG027684NIA NIH HHS R01 AG042189NIA NIH HHS RF1 AG042189NIMH NIH HHS 5-T32-MH065728-07NIMH NIH HHS T32 MH065728NINDS NIH HHS NS074895NINDS NIH HHS R01 NS074895NINDS NIH HHS R56 NS074895
6 · The paper itself

Abstract

In middle-aged female rats, focal ischemia leads to a larger cortical infarction as compared with younger females. To determine if stroke-induced cytotoxicity in middle-aged females was associated with impaired astrocyte function, astrocytes were harvested and cultured from the ischemic cortex of young and middle-aged female rats. Middle-aged astrocytes cleared significantly less glutamate from media as compared with young female astrocytes. Furthermore, astrocyte-conditioned media from middle-aged female astrocytes induced greater migration of peripheral blood monocyte cells (PBMCs) and expressed higher levels of the chemoattractant macrophage inflammatory protein-1 (MIP-1). Middle-aged astrocytes also induced greater migration of neural progenitor cells (NPCs), however, their ability to promote neuronal differentiation of neural progenitor cells was similar to young astrocytes. In males, where cortical infarct volume is similar in young and middle-aged animals, no age-related impairment was observed in astrocyte function. These studies show that the aging astrocyte may directly contribute to infarct severity by inefficient glutamate clearance and enhanced cytokine production and suggest a cellular target for improved stroke therapy among older females.

Indexed as

Severity of Illness IndexAgingAnimalsAstrocytesBrain IschemiaCells, CulturedCerebral CortexFemaleMaleRatsRats, Sprague-Dawley

Identifiers

PMID22154819
PMCPMC5636220
OpenAlexW1986798895

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.