Evidence map›Paper›PMID 35701599›Full record

ArticleScientific reports2022

An optimized protocol for single nuclei isolation from clinical biopsies for RNA-seq.

Thomas V Rousselle, Jennifer M McDaniels, Amol C Shetty, Elissa Bardhi, Daniel G Maluf, Valeria R Mas

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.7field-weighted citation impact, top 15% 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

16 citing papers in PubMed, 21 citations in OpenAlex.

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  8. Effects of oxycodone on placental lineages: Evidence from the transcriptome profile of mouse trophoblast giant cells.Proceedings of the National Academy of Sciences of the United States of America · 2024
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Thomas V RousselleDepartment of Surgery, University of Maryland School of Medicine, 670 W Baltimore Street, Baltimore, MD, 21201, USA.
Jennifer M McDanielsDepartment of Surgery, University of Maryland School of Medicine, 670 W Baltimore Street, Baltimore, MD, 21201, USA.
Amol C ShettyInstitute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA.
Elissa BardhiDepartment of Surgery, University of Maryland School of Medicine, 670 W Baltimore Street, Baltimore, MD, 21201, USA.
Daniel G MalufDepartment of Surgery, University of Maryland School of Medicine, 670 W Baltimore Street, Baltimore, MD, 21201, USA.
Valeria R MasDepartment of Surgery, University of Maryland School of Medicine, 670 W Baltimore Street, Baltimore, MD, 21201, USA. vmas@som.umaryland.edu.
University of Maryland, Baltimore · US

Funding

Assessment of Donor Quality for Improving Kidney Transplant OutcomesR01DK109581 · NIDDK · UNIVERSITY OF VIRGINIA · PI Kellie J. Archer, Valeria Raquel Mas · 2017 to 2026
$4.0M
Dissecting the role of dynamic epigenome prompting pathways leading to kidney allograft fibrosisR01DK122682 · NIDDK · UNIVERSITY OF TENNESSEE HEALTH SCI CTR · PI MAS, VALERIA RAQUEL · 2019 to 2023
$3.6M
Mechanisms of microbiome-driven cardiac allograft outcomesU01AI170050 · NIAID · UNIVERSITY OF MARYLAND BALTIMORE · PI Jonathan S Bromberg, Bing Ma · 2022 to 2026
$1.9M
NIAID NIH HHS 1U01AI170050NIAID NIH HHS U01 AI170050NIDDK NIH HHS R01 DK109581NIDDK NIH HHS R01 DK122682NIDDK NIH HHS RO1DK109581
6 · The paper itself

Abstract

Single nuclei RNA sequencing (snRNA-seq) has evolved as a powerful tool to study complex human diseases. Single cell resolution enables the study of novel cell types, biological processes, cell trajectories, and cell-cell signaling pathways. snRNA-seq largely relies on the dissociation of intact nuclei from human tissues. However, the study of complex tissues using small core biopsies presents many technical challenges. Here, an optimized protocol for single nuclei isolation is presented for frozen and RNAlater preserved human kidney biopsies. The described protocol is fast, low cost, and time effective due to the elimination of cell sorting and ultra-centrifugation. Samples can be processed in 90 min or less. This method is effective for obtaining normal nuclei morphology without signs of structural damage. Using snRNA-seq, 16 distinct kidney cell clusters were recovered from normal and peri-transplant acute kidney injury allograft samples, including immune cell clusters. Quality control measurements demonstrated that these optimizations eliminated cellular debris and allowed for a high yield of high-quality nuclei and RNA for library preparation and sequencing. Cellular disassociation did not induce cellular stress responses, which recapitulated transcriptional patterns associated with standardized methods of nuclei isolation. Future applications of this protocol will allow for thorough investigations of small biobank biopsies, identifying cell-specific injury pathways and driving the discovery of novel diagnostics and therapeutic targets.

Indexed as

Gene Expression ProfilingRNA, Small NuclearBiopsyHumansRNA-SeqSequence Analysis, RNASingle-Cell AnalysisRNA, Small Nuclear

Identifiers

PMID35701599
PMCPMC9198012
OpenAlexW4282926764

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Registered trials

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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.