Evidence map›Paper›PMID 31719911›Full record

ArticleCellular and molecular bioengineering2019

Mechanical Characterization of 3D Ovarian Cancer Nodules Using Brillouin Confocal Microscopy.

Christina Conrad, Kelsey M Gray, Kimberly M Stroka, Imran Rizvi, Giuliano Scarcelli

Open access · bronzeAbstract read
In one paragraph

Article in Cellular and molecular bioengineering, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
1.9field-weighted citation impact, top 16% 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

27 citing papers in PubMed, 49 citations in OpenAlex.

  1. TheMaterials today. Bio · 2026
    Review
  2. Macrophages Mediate Mesoscale Brain Mechanical Homeostasis.Advanced materials (Deerfield Beach, Fla.) · 2026
    Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Review
  8. Article
  9. Mechanical Evolution of Metastatic Cancer Cells in 3D Microenvironment.Small (Weinheim an der Bergstrasse, Germany) · 2025
    Article
  10. Article
  11. Article
  12. Harnessing quantum light for microscopic biomechanical imaging of cells and tissues.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  13. Article
  14. Review
  15. Article
  16. Article
  17. Brillouin microscopy.Nature reviews. Methods primers · 2024
    Article
  18. Article
  19. Article
  20. 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

5 authors at 2 institutions in 1 country.

Christina ConradFischell Department of Bioengineering, University of Maryland, 4228 A. James Clark Hall, College Park, MD 20742 USA.
Kelsey M GrayFischell Department of Bioengineering, University of Maryland, 4228 A. James Clark Hall, College Park, MD 20742 USA.
Kimberly M StrokaFischell Department of Bioengineering, University of Maryland, 4228 A. James Clark Hall, College Park, MD 20742 USA.
Imran Rizvi *Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC 27599 USA.
Giuliano Scarcelli *Fischell Department of Bioengineering, University of Maryland, 4228 A. James Clark Hall, College Park, MD 20742 USA.ORCID 0000-0002-1736-077X
University of Maryland, College Park · USUniversity of North Carolina at Chapel Hill · US

Funding

Research Supplement - Quantitative analyses of tumor cell extravasationU01CA202177 · NCI · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI KAMM, ROGER D · 2015 to 2020
$4.2M
Biomechanics of Neural Tube Development using Brillouin-OCT MultimodalityR01HD095520 · NICHD · UNIVERSITY OF HOUSTON · PI FINNELL, RICHARD H., LARIN, KIRILL V · 2018 to 2022
$3.3M
Brillouin confocal microscopy for biomechanical studies of metastatic cascade in 3D microenvironmentsR33CA204582 · NCI · UNIV OF MARYLAND, COLLEGE PARK · PI SCARCELLI, GIULIANO · 2016 to 2018
$849k
Targeting Determinants of OvCa Metastases in Engineered 3D Microfluidic PlatformsR00CA175292 · NCI · UNIV OF NORTH CAROLINA CHAPEL HILL · PI RIZVI, IMRAN · 2016 to 2019
$746k
Development of 3D vascularized model of Blood Brain Barrier and its application to Alzheimer disease researchR21NS105027 · NINDS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI KAMM, ROGER D · 2019 to 2020
$457k
Targeting Determinants of OvCa Metastases in Engineered 3D Microfluidic PlatformsK99CA175292 · NCI · BRIGHAM AND WOMEN'S HOSPITAL · PI RIZVI, IMRAN · 2014 to 2015
$350k
NCI NIH HHS K99 CA175292NCI NIH HHS R00 CA175292NCI NIH HHS R33 CA204582NCI NIH HHS U01 CA202177NICHD NIH HHS R01 HD095520NINDS NIH HHS R21 NS105027
6 · The paper itself

Abstract

introductionThe mechanical interaction between cells and their microenvironment is emerging as an important determinant of cancer progression and sensitivity to treatment, including in ovarian cancer (OvCa). However, current technologies limit mechanical analysis in 3D culture systems. Brillouin Confocal Microscopy is an optical non-contact method to assess the mechanical properties of biological materials. Here, we validate the ability of this technology to assess the mechanical properties of 3D tumor nodules.

methodsOvCa cells were cultured in 3D using two established methods: (1) overlay cultures on Matrigel; (2) spheroids in ultra-low attachment plates. To alter the mechanical state of these tumors, nodules were immersed in PBS with varying levels of sucrose to induce osmotic stress. Next, nodule mechanical properties were measured by Brillouin microscopy and validated with standard stress-strain tests: Atomic Force Microscopy (AFM) and a parallel plate compression device (Microsquisher). Finally, the nodules were treated with a chemotherapeutic commonly used to manage OvCa, carboplatin, to determine treatment-induced effects on tumor mechanical properties.

resultsBrillouin microscopy allows mechanical analysis with limited penetration depth (~ 92 µm for Matrigel method; ~ 54 µm for low attachment method). Brillouin microscopy metrics displayed the same trends as the corresponding "gold-standard" Young's moduli measured with stress-strain methods when the osmolality of the medium was increased. Nodules treated with carboplatin showed a decrease in Brillouin frequency shift.

conclusionThis validation study paves the way to evaluate the mechanics of 3D nodules, with micron-scale three-dimensional resolution and without contact, thus extending the experimental possibilities.

Indexed as

Atomic force microscopyMicroSquisherOpticsOsmolalitySpheroidsStiffnessTumorsYoung’s modulus

Identifiers

PMID31719911
PMCPMC6816613
OpenAlexW2944782303

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.