Evidence map›Paper›PMID 36399265›Full record

ArticleMethods in molecular biology (Clifton, N.J.)2023

Microglia in Human Postmortem Brain Samples: Quantitative Ultrastructural Analysis of Scanning Electron Microscopy Images.

Marie-Kim St-Pierre, Eva Šimončičová, Micaël Carrier, Marie-Ève Tremblay

Abstract read
PubMed Publisher
In one paragraph

Article in Methods in molecular biology (Clifton, N.J.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.3field-weighted citation impact, top 27% 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

1 citing paper in PubMed, 1 citations in OpenAlex.

  1. 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.

Marie-Kim St-PierreAxe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada.
Eva ŠimončičováDivision of Medical Sciences, University of Victoria, Victoria, BC, Canada.
Micaël CarrierAxe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada.
Marie-Ève TremblayAxe neurosciences, Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada. evetremblay@uvic.ca.
Université Laval · CAUniversity of Victoria · CA

Funding

CIHR
6 · The paper itself

Abstract

In this protocol, we describe the specific steps required to prepare human postmortem brain samples for ultrastructural microglial analysis. A detailed procedure is provided to improve the ultrastructural quality of the samples, using aldehyde fixatives followed by immunoperoxidase staining of allograft inflammatory factor 1 (AIF1, also known as IBA1), a marker of myeloid cells, and cluster of differentiation 68 (CD68), a marker of phagolysosomal activity. Additionally, we describe an osmium-thiocarbohydrazide-osmium (OTO) post-fixation method that preserves and increases the contrast of cellular membranes in human postmortem brain samples, as well as the steps necessary to acquire scanning electron microscopy (SEM) images of microglial cell bodies. In the last section, we cover the quantitative analysis of various microglial cytoplasmic organelles and their interactions with other parenchymal elements.

Indexed as

BrainMicrogliaAutopsyFixativesHumansMicroscopy, Electron, ScanningFixativesHuman postmortem brain samplesIntercellular relationshipsMicrogliaPhagolysosomal activityScanning electron microscopyUltrastructural analysis

Identifiers

PMID36399265
OpenAlexW4309491788

What OpenQuestion holds

Textmetadata
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.