Evidence map›Paper›PMID 33501429›Full record

ReviewBrain communications2021

An update on the rod microglia variant in experimental and clinical brain injury and disease.

Katherine R Giordano, Charlotte R Denman, Phoebe S Dubisch, Murtaza Akhter, Jonathan Lifshitz

Abstract readReview
In one paragraph

Review in Brain communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
–field-weighted citation impact
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

42 citing papers in PubMed.

  1. Review
  2. Article
  3. Review
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  11. The Hallmarks of Ageing in Microglia.Cellular and molecular neurobiology · 2025
    Review
  12. Article
  13. Review
  14. Article
  15. Article
  16. Quantifying microglial morphology: an insight into function.Clinical and experimental immunology · 2024
    Review
  17. Review
  18. Article
  19. Article
  20. Review
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

5 authors.

Katherine R GiordanoBARROW Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, USA.ORCID 0000-0002-0925-3579
Charlotte R DenmanDepartment of Child Health, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA.
Phoebe S DubischDubisch Scientific Illustration, Phoenix, AZ, USA.
Murtaza AkhterBARROW Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, USA.
Jonathan LifshitzBARROW Neurological Institute at Phoenix Children's Hospital, Phoenix, AZ, USA.

Funding

Precision Identification and Targeting of Rod Microglia in Diffuse Brain-Injured CortexF31NS113408 · NINDS · UNIVERSITY OF ARIZONA · PI GIORDANO, KATHERINE R · 2020 to 2022
$120k
6 · The paper itself

Abstract

Contemporary microglia morphologies include ramified, activated and amoeboid, with the morphology of microglia considered highly coupled to the cellular function. Rod microglia are an additional activated microglia variant observed in the ageing, injured and diseased brain. Rod microglia were reported frequently in the early 1900s by neuropathologists in post-mortem cases of general paresis, Alzheimer's disease and encephalitis, and then remained largely ignored for almost 100 years. Recent reports have renewed interest in rod microglia, most notably after experimental traumatic brain injury. Rod microglia are formed by the narrowing of the soma and retraction of planar processes, which results in the appearance of an elongated, rod-shaped cell. Rod microglia are most commonly observed in the cortex, aligned perpendicular to the dural surface and adjacent to neuronal processes; in the hippocampus, they are aligned perpendicular to hippocampal layers. Furthermore, rod microglia form trains with one another, apical end to basal end. By replicating the process of sketching microscopic observation, rod microglia are re-defined by circumnutation around the long axis. In this update, we summarize the rod microglia variant in clinical and experimental literature and advocate for investigation into mechanisms of rod microglia origin and function.

Indexed as

inflammationmicrogliapathologyrod microgliatraumatic brain injury

Identifiers

PMID33501429
PMCPMC7811762

What OpenQuestion holds

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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.