Related Experiment Video
Updated: Oct 1, 2025
07:54
Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice
Published on: December 21, 2019
7.0K
ECM Mechanoregulation in Malignant Pleural Mesothelioma
Valeria Panzetta1,2,3, Ida Musella1,3, Sabato Fusco4
1Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Naples, Italy.
Frontiers in Bioengineering and Biotechnology
|March 3, 2022
Summary
Mechanobiology offers new diagnostic tools for malignant pleural mesothelioma. Mechanical and biophysical characterization of mesothelioma cells can aid early diagnosis from pleural effusions.
Area of Science:
- Biophysics
- Cell Biology
- Oncology
Background:
- Malignant pleural mesothelioma is a rare, aggressive cancer with diagnostic challenges.
- Current diagnostic methods like effusion cytology have low sensitivity and long turnaround times.
- Early diagnosis is crucial for successful treatment of mesothelioma.
Purpose of the Study:
- To investigate the potential of mechanobiology for diagnosing malignant pleural mesothelioma.
- To characterize the mechanical and biophysical properties of mesothelioma cells.
- To explore how malignant transformation affects cellular functions and mechanical properties.
Main Methods:
- Mechanical and biophysical characterization of normal mesothelial cells (Met5A) and mesothelioma cell lines (REN, MPP89).
- Assessment of cellular functions: proliferation, migration, and spreading area.
- Measurement of cytoskeletal mechanical properties on substrates simulating pathological extracellular matrix (ECM) stiffness.
Main Results:
- Malignant transformation significantly alters cellular functions compared to normal mesothelial cells.
- These functional changes correlate with variations in cytoskeletal mechanical properties.
- Cellular mechanical properties differ based on substrate stiffness mimicking pathological ECM.
Conclusions:
- Mechanobiology offers a promising avenue for developing novel diagnostic tools for malignant pleural mesothelioma.
- Characterizing the mechanical and biophysical properties of mesothelioma cells can supplement existing diagnostic methods.
- Understanding the mechanobiology of mesothelioma cells may lead to improved early detection strategies.
Related Concept Videos
02:17The Tumor Microenvironment
6.8K
Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
6.8K
01:30Pleural Disorders: Types and Brief Description
339
The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are:
339
01:28Pleural Effusion II: Symptoms and Management
306
Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
306
01:26Extracellular Matrix
3.8K
Unlike epithelial tissue, which is composed of cells closely packed with little or no extracellular space in between, connective tissue cells are dispersed in a matrix. This extracellular matrix (ECM) is composed of fibrous proteins like collagen, elastin, and fibronectin in a ground substance consisting of interstitial fluid, cell adhesion proteins, and proteoglycans. The proteoglycans form a gel-like material in the spaces between cells and provide hydration, buffering, binding, and force...
3.8K
01:25Pleural Effusion I: Introduction
2.1K
Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's...
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's...
2.1K
01:13Pleura of the Lungs
3.5K
The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...
3.5K