Evidence map›Paper›PMID 38715433›Full record

ArticleCytoskeleton (Hoboken, N.J.)2024

Ultrastructure expansion microscopy (U-ExM) of mouse and human kidneys for analysis of subcellular structures.

Ewa Langner, Pongpratch Puapatanakul, Rachel Pudlowski, Dema Yaseen Alsabbagh, Jeffrey H Miner, Amjad Horani, Susan K Dutcher, Steven L Brody, Jennifer T Wang, Hani Y Suleiman and 1 more

Abstract read
In one paragraph

Article in Cytoskeleton (Hoboken, N.J.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing 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

9 citing papers in PubMed.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors.

Ewa LangnerDepartment of Medicine, Washington University, St. Louis, Missouri, USA.
Pongpratch PuapatanakulDepartment of Medicine, Washington University, St. Louis, Missouri, USA.
Rachel PudlowskiDepartment of Biology, Washington University, St. Louis, Missouri, USA.
Dema Yaseen AlsabbaghDepartment of Medicine, Washington University, St. Louis, Missouri, USA.
Jeffrey H MinerDepartment of Medicine, Washington University, St. Louis, Missouri, USA.
Amjad HoraniDepartment of Pediatrics, Washington University, St. Louis, Missouri, USA.
Susan K DutcherDepartment of Genetics, Washington University, St. Louis, Missouri, USA.
Steven L BrodyDepartment of Medicine, Washington University, St. Louis, Missouri, USA.
Jennifer T WangDivision of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
Hani Y SuleimanDepartment of Medicine, Washington University, St. Louis, Missouri, USA.
Moe R MahjoubDepartment of Medicine, Washington University, St. Louis, Missouri, USA.

Funding

REGULATION OF MOTILE CILIA ASSEMBLY IN LUNG DISEASER01HL128370 · NHLBI · WASHINGTON UNIVERSITY · PI Steven Brody, SUSAN K DUTCHER · 2015 to 2026
$6.9M
Molecular Determinants of Kidney Podocyte Architecture in Health, Injury, and RecoveryR01DK131177 · NIDDK · WASHINGTON UNIVERSITY · PI SULEIMAN, HANI · 2022 to 2025
$1.4M
Children's Discovery Institute and St. Louis Children's Hospital CDI-CORE-2015-505Children's Discovery Institute and St. Louis Children's Hospital CDI-CORE-2019-813Congressionally Directed Medical Research ProgramsDepartment of Defense PRMRP (W81XWH-20-1-0198)NHLBI NIH HHS NIH HL128370NHLBI NIH HHS R01 HL128370NIDDK NIH HHS NIH DK131177NIDDK NIH HHS R01 DK131177
6 · The paper itself

Abstract

Ultrastructure expansion microscopy (U-ExM) involves the physical magnification of specimens embedded in hydrogels, which allows for super-resolution imaging of subcellular structures using a conventional diffraction-limited microscope. Methods for expansion microscopy exist for several organisms, organs, and cell types, and used to analyze cellular organelles and substructures in nanoscale resolution. Here, we describe a simple step-by-step U-ExM protocol for the expansion, immunostaining, imaging, and analysis of cytoskeletal and organellar structures in kidney tissue. We detail the critical modified steps to optimize isotropic kidney tissue expansion, and preservation of the renal cell structures of interest. We demonstrate the utility of the approach using several markers of renal cell types, centrioles, cilia, the extracellular matrix, and other cytoskeletal elements. Finally, we show that the approach works well on mouse and human kidney samples that were preserved using different fixation and embedding conditions. Overall, this protocol provides a simple and cost-effective approach to analyze both preclinical and clinical renal samples in high detail, using conventional lab supplies and standard widefield or confocal microscopy.

Indexed as

KidneyAnimalsHumansMiceMicroscopybasement membranecentrioleciliumnephronpodocytespolycystic kidney diseaserenal

Identifiers

PMID38715433
PMCPMC11540979

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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.