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The Tumor Microenvironment

The Tumor Microenvironment

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...

The Tumor Microenvironment

The Tumor Microenvironment

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...

Differentiation of Common Myeloid Progenitor Cells

Differentiation of Common Myeloid Progenitor Cells

Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...

Overview of Cell-Matrix Interactions

Overview of Cell-Matrix Interactions

The extracellular matrix or ECM holds cells together to form a tissue and allows the cells within the tissue to communicate. ECM comprises proteins such as fibronectin, collagen, laminin, etc. The most abundant protein in this space is collagen. Collagen fibers are interwoven with carbohydrate-containing protein molecules called proteoglycans. ECM allows cell migration and provides a structural scaffold at cell adhesion that anchors the cell when the extracellular matrix proteins interact with...

T Cell Activation and Clonal Selection

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...

Microenvironments

Microenvironments

Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...

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Evaluation of the Interplay Between the Complement Protein C1q and Hyaluronic Acid in Promoting Cell Adhesion

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The CLL cell microenvironment.

¹Unit 428, Department of Leukemia, The University of Texas MD Anderson Cancer Center, 301402, Houston, TX, 77230-1402, USA, jaburger@mdanderson.org.

Advances in Experimental Medicine and Biology

|September 10, 2013

Summary

This summary is machine-generated.

Targeting the microenvironment of chronic lymphocytic leukemia (CLL) cells offers a novel therapeutic strategy. Disrupting cell interactions can overcome drug resistance and inhibit cancer progression.

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Evaluation of the Interplay Between the Complement Protein C1q and Hyaluronic Acid in Promoting Cell Adhesion

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A Three-dimensional Tissue Culture Model to Study Primary Human Bone Marrow and its Malignancies

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Published on: March 8, 2014

Area of Science:

Oncology
Immunology
Cell Biology

Background:

The tumor microenvironment in chronic lymphocytic leukemia (CLL) supports cancer cell survival and drug resistance.
Cellular and molecular interactions between CLL cells and stromal cells are crucial for disease progression.

Purpose of the Study:

To review current knowledge on CLL microenvironment interactions.
To highlight emerging therapeutic targets and strategies for CLL treatment.

Main Methods:

Review of cellular and molecular interactions in the CLL microenvironment.
Focus on the CXCR4-CXCL12 axis and inhibitors of SYK, BTK, and PI3Kδ.

Main Results:

The CLL microenvironment promotes malignant B cell growth and resistance.
Targeting the CXCR4-CXCL12 axis and B cell receptor-associated kinases shows therapeutic promise.

Conclusions:

Disrupting CLL cell-microenvironment interactions is a viable therapeutic strategy.
CLL serves as a model for understanding and treating microenvironment-dependent cancers.