Related Experiment Video

Updated: May 28, 2026

In vitro Mesothelial Clearance Assay that Models the Early Steps of Ovarian Cancer Metastasis
08:54

In vitro Mesothelial Clearance Assay that Models the Early Steps of Ovarian Cancer Metastasis

Published on: February 17, 2012

The first line of intra-abdominal metastatic attack: breaching the mesothelial cell layer

Hilary A Kenny1, Kristin M Nieman, Anirban K Mitra

  • 1Department of Obstetrics and Gynecology/Section of Gynecologic Oncology - Center for Integrative Science, University of Chicago, Chicago, IL 60637, USA.

Cancer Discovery
|October 21, 2011
PubMed

Insights

Ovarian cancer spheroids actively clear mesothelial cells from the abdominal cavity. This process is driven by myosin-generated force, impacting cancer cell dissemination.

Area of Science:

  • Oncology
  • Cell Biology
  • Biophysics

Background:

  • Ovarian cancer frequently metastasizes within the peritoneal cavity, a process influenced by the mesothelial cell layer.
  • Understanding the interaction between ovarian cancer cells and the mesothelium is crucial for developing effective treatment strategies.

Purpose of the Study:

  • To investigate the mechanism by which ovarian cancer spheroids interact with and clear mesothelial cells.
  • To elucidate the role of cellular forces in ovarian cancer cell dissemination within the abdominal cavity.

Main Methods:

  • Utilized advanced microscopy techniques to observe spheroid-mesothelial cell interactions in vitro.
  • Employed biochemical assays to assess the involvement of myosin and cytoskeletal components.

Main Results:

  • Demonstrated that ovarian cancer spheroids actively remove mesothelial cells from the peritoneal surface.
  • Identified myosin-generated force as the primary mechanism driving this clearance process.
  • Showcased the ability of cancer spheroids to create space for their own colonization.

Conclusions:

  • Ovarian cancer spheroids possess an active mechanism to clear the mesothelial lining of the abdominal cavity.
  • Myosin-driven force generation is critical for ovarian cancer cell invasion and metastasis within the peritoneum.

More Related Videos

Generation and Expansion of Primary, Malignant Pleural Mesothelioma Tumor Lines08:01

Generation and Expansion of Primary, Malignant Pleural Mesothelioma Tumor Lines

Published on: April 21, 2022

Assessment of Ovarian Cancer Spheroid Attachment and Invasion of Mesothelial Cells in Real Time14:25

Assessment of Ovarian Cancer Spheroid Attachment and Invasion of Mesothelial Cells in Real Time

Published on: May 20, 2014

Related Concept Videos

Metastasis02:30

Metastasis

Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
Cancer Cell Migration through Invadopodia01:35

Cancer Cell Migration through Invadopodia

Invadosome is a broad category of cell surface structures with proteolytic activity that  degrades the extracellular matrix (ECM). Invadosomes are present in normal cell types, including macrophages, endothelial cells, and neurons, as well as tumor cells. Although the macrophage podosomes and tumor cell invadopodia are classified as invadosomes, they have different structures, molecular pathways, and functions. Podosomes are short structures that last for a few minutes. However, invadopodia can...
Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Esophageal Perforation-I: Introduction01:22

Esophageal Perforation-I: Introduction

Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
The location of esophageal perforation can vary, occurring anywhere along the esophagus.