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Related Concept Videos

Selectins01:25

Selectins

Cell adhesion is  an essential aspect of multicellularity. While stable cell interactions usually occur between cells of the same type, transient cell interactions occur between cells of different tissue types, such as between neutrophils and endothelial cells. Selectins are one class of cell adhesion molecules (CAMs) that bind carbohydrate ligands to form transient cell adhesion. They are rod-like proteins with a long extracellular part of variable length ending with the lectin domain, which...
The Tumor Microenvironment02:17

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...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Overview of the Vascular System01:20

Overview of the Vascular System

The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl hydroxylase and factor...
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...

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Related Experiment Video

Updated: Jul 19, 2026

Isolation and Culture Expansion of Tumor-specific Endothelial Cells
10:15

Isolation and Culture Expansion of Tumor-specific Endothelial Cells

Published on: October 14, 2015

Endothelial cells and cancer.

L Nikitenko1, C Boshoff

  • 1CR U.K. Viral Oncology Group, Wolfson Institute for Biomedical Research, UCL, London WC1E 6BT, UK. l.nikitenko@ucl.ac.uk

Handbook of Experimental Pharmacology
|September 27, 2006
PubMed
Summary

Endothelial cells are crucial for blood vessel formation and function. Understanding their role in cancer, including endothelial progenitor cells (EPCs), offers new therapeutic strategies for tumor angiogenesis.

Area of Science:

  • Vascular Biology
  • Oncology
  • Cellular Biology

Background:

  • Endothelial cells are vital for blood and lymph vessel development and function.
  • Dysregulated endothelial cell proliferation causes pathological angiogenesis and vascular malfunctions, characteristic of cancers.
  • Circulating endothelial progenitor cells (EPCs) are increasingly recognized for their significant role in these pathological processes.

Purpose of the Study:

  • To investigate the molecular mechanisms governing EPC mobilization from bone marrow.
  • To understand EPC homing and differentiation into functional endothelium at neovascularization sites.
  • To explore the impact of viral oncogenes on endothelial cell plasticity and lifespan in tumorigenesis.

Main Methods:

  • Analysis of molecular mechanisms regulating endothelial cell behavior.

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Isolation of Human Endothelial Cells from Normal Colon and Colorectal Carcinoma - An Improved Protocol
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Isolation of Human Endothelial Cells from Normal Colon and Colorectal Carcinoma - An Improved Protocol

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In vitro Method to Observe E-selectin-mediated Interactions Between Prostate Circulating Tumor Cells Derived From Patients and Human Endothelial Cells
11:56

In vitro Method to Observe E-selectin-mediated Interactions Between Prostate Circulating Tumor Cells Derived From Patients and Human Endothelial Cells

Published on: May 15, 2014

Related Experiment Videos

Last Updated: Jul 19, 2026

Isolation and Culture Expansion of Tumor-specific Endothelial Cells
10:15

Isolation and Culture Expansion of Tumor-specific Endothelial Cells

Published on: October 14, 2015

Isolation of Human Endothelial Cells from Normal Colon and Colorectal Carcinoma - An Improved Protocol
10:54

Isolation of Human Endothelial Cells from Normal Colon and Colorectal Carcinoma - An Improved Protocol

Published on: April 4, 2018

In vitro Method to Observe E-selectin-mediated Interactions Between Prostate Circulating Tumor Cells Derived From Patients and Human Endothelial Cells
11:56

In vitro Method to Observe E-selectin-mediated Interactions Between Prostate Circulating Tumor Cells Derived From Patients and Human Endothelial Cells

Published on: May 15, 2014

  • Studies on endothelial progenitor cell (EPC) mobilization, homing, and differentiation.
  • Investigation of viral oncogene functions in endothelial cells.
  • Main Results:

    • Significant progress in identifying key molecules involved in tumor angiogenesis.
    • Advancements in targeting tumor angiogenesis for therapeutic interventions.
    • Ongoing research into the origin and function of endothelium within various tumors.

    Conclusions:

    • Integrated understanding of endothelial cell regulation in tumorigenesis is driving novel cancer treatment approaches.
    • Targeting endothelial cell properties and functions presents promising therapeutic avenues.
    • Deciphering EPC behavior and oncogene influence offers potential for innovative cancer therapies.