Pancreatic Tumor Microenvironment
Pancreatic Tumor Microenvironment - Related Videos
05:44
Isolation of Proximal Fluids to Investigate the Tumor Microenvironment of Pancreatic Adenocarcinoma
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Cited by 1 •
2020
Pancreatic juice is a precious source of biomarkers for human pancreatic cancer. We describe here a method for intraoperative collection procedure. To overcome the challenge of adopting this procedure in murine models, we suggest an alternative sample, tumor interstitial fluid, and describe here two protocols for its isolation.
16:18
Microfluidic Device for Recreating a Tumor Microenvironment in Vitro
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Cited by 9 •
2011
We present the procedure for fabrication and operation of a microfluidic device that recreates heterogeneous tumor microenvironments in vitro. The variability in apoptosis within tumor tissue was quantified using fluorescent stains and the effective diffusion coefficient of the chemotherapeutic drug doxorubicin into tumor tissue was evaluated.
02:17
The Tumor Microenvironment
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2023
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...
02:17
The Tumor Microenvironment
0 Views •
2021
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...
06:26
PTM Based Tumor Microenvironment Monitoring: A Method for Tracking Changes in ECM Rigidity Using Tumor Spheroids
0 Views •
2023
This protocol describes a technique for monitoring extracellular matrix rigidity changes by using particle-tracking microrheology (PTM). This is done by culturing 3D pancreatic tumor spheroids into ECM with embedded fluorescent probes for video particle-tracking and analysis.
FAQs
Pancreatic cancer cells communicate reciprocally with neighboring cells, recruiting and reprogramming fibroblasts, immune cells, and vascular components. These altered cells then influence tumor behavior in return, creating a local environment that can support continued growth, immune suppression, tissue remodeling, and reduced treatment effectiveness. This interaction is therefore more dynamic than a one-way response from surrounding tissue.
Extracellular matrix remodeling can change tissue stiffness and modify how nutrients and therapeutic agents move through a tumor. These physical changes influence access to cancer cells and may contribute to poor drug penetration. Examining matrix behavior helps cancer researchers connect the structural properties of pancreatic tumors with treatment resistance and other clinically important outcomes.
Vascular components are part of the communication network surrounding pancreatic cancer cells and can be altered as the tumor develops. Their interaction with cancer and stromal cells affects the local environment, including access to nutrients and the movement of therapeutic compounds. Studying these relationships helps explain how the surrounding tissue supports tumor progression and limits treatment impact.
Interactions among cancer cells, immune cells, fibroblasts, matrix, and vascular components can create conditions associated with immune suppression and tumor spread. The microenvironment does not merely surround the primary tumor; reciprocal signaling and structural remodeling influence how pancreatic cancer behaves. Mapping these contributions gives researchers a broader basis for investigating metastasis than studying cancer cells alone.
Models designed to study the pancreatic tumor microenvironment should incorporate relevant stromal and immune components rather than representing cancer cells in isolation. Including these interacting elements allows researchers to examine how surrounding tissue affects tumor behavior and therapeutic response. Such models can provide a more informative setting for evaluating targeted therapies and investigating resistance mechanisms.
These models are especially useful when researchers need to investigate why pancreatic tumors respond poorly to conventional treatments or to assess therapies directed at specific targets. They can help connect treatment outcomes with stromal interactions, immune suppression, matrix remodeling, and altered drug penetration. The resulting information supports research into tumor growth, metastasis, resistance, and therapeutic evaluation.