Evidence map›Paper›PMID 35864200›Full record

ArticleScientific reports2022

Mechanical signatures of human colon cancers.

Evelyne Lopez-Crapez, Luca Costa, Guillaume Tosato, Jeanne Ramos, Thibault Mazard, Janique Guiramand, Alain Thierry, Jacques Colinge, Pierre-Emmanuel Milhiet, Christine Bénistant

Abstract 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. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed.

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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

10 authors.

Evelyne Lopez-CrapezInstitut Régional du Cancer Montpellier (ICM), Montpellier, France. evelyne.crapez@icm.unicancer.fr.
Luca Costa *Centre de Biologie Structurale (CBS), CNRS, INSERM, Université de Montpellier, Montpellier, France.
Guillaume Tosato *Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Montpellier, France.
Jeanne RamosInstitut Régional du Cancer Montpellier (ICM), Montpellier, France.
Thibault MazardInstitut Régional du Cancer Montpellier (ICM), Montpellier, France.
Janique GuiramandInstitut des Biomolécules Max Mousseron (IBMM), UMR5247 CNRS, Université de Montpellier, ENSCM, Montpellier, France.
Alain ThierryInstitut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Montpellier, France.
Jacques ColingeInstitut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Montpellier, France.
Pierre-Emmanuel MilhietCentre de Biologie Structurale (CBS), CNRS, INSERM, Université de Montpellier, Montpellier, France.
Christine BénistantCentre de Biologie Structurale (CBS), CNRS, INSERM, Université de Montpellier, Montpellier, France. christine.benistant@cbs.cnrs.fr.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Besides the standard parameters used for colorectal cancer (CRC) management, new features are needed in clinical practice to improve progression-free and overall survival. In some cancers, the microenvironment mechanical properties can contribute to cancer progression and metastasis formation, or constitute a physical barrier for drug penetration or immune cell infiltration. These mechanical properties remain poorly known for colon tissues. Using a multidisciplinary approach including clinical data, physics and geostatistics, we characterized the stiffness of healthy and malignant colon specimens. For this purpose, we analyzed a prospective cohort of 18 patients with untreated colon adenocarcinoma using atomic force microscopy to generate micrometer-scale mechanical maps. We characterized the stiffness of normal epithelium samples taken far away or close to the tumor area and selected tumor tissue areas. These data showed that normal epithelium was softer than tumors. In tumors, stroma areas were stiffer than malignant epithelial cell areas. Among the clinical parameters, tumor left location, higher stage, and RAS mutations were associated with increased tissue stiffness. Thus, in patients with CRC, measuring tumor tissue rigidity may have a translational value and an impact on patient care.

Indexed as

AdenocarcinomaColonic NeoplasmsColorectal NeoplasmsHumansProspective StudiesTumor Microenvironment

Identifiers

PMID35864200
PMCPMC9304395

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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.