Cited by 237Angiogenesis and VEGF in CancerCancer Cells and MetastasisLymphatic System and Diseases

Endothelial-cell proliferation in experimental tumours

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Denekamp, J, Hobson, B·1982·British Journal of Cancer

Abstract

The proliferation characteristics of vascular endothelium have been studied in 131 individual experimental tumours, representing 18 transplanted tumour lines. The labelling index (LI) is high in most tumours, with a mean value of 0.9%, regardless of the growth rate of the tumours, or whether different tumour types are considered or individual tumours from within one line are studied in detail. A similar high LI value has been found by others for a human tumour. These high LI values may even underestimate the proliferation in new capillary buds. The high proliferative index of tumour endothelium is in marked contrast with the previously reported low 3HTdR uptake into normal tissue blood vessels. It seems likely that it is the type of new vessels formed that will influence tumour growth rates more than the simple rate of endothelial-cell proliferation. The large difference between the proliferation characteristics of tumour endothelium and normal tissue endothelium, recently identified as a possible approach for tumour therapy, has now been confirmed for a range of animal tumours and a human tumour.

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Crossref · 10.1038/bjc.1982.263

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  • Hypoxic regions typically located in the tumor core arise due to the disparity between rapid proliferation of tumor cells and slower proliferation and disorganized arrangement of endothelial cells responsible for vascularization.

    “One hallmark of this architecture is the development of hypoxic regions, typically located in the tumor core. These arise due to the disparity between the rapid proliferation of tumor cells and the slower proliferation and disorganized arrangement of endothelial cells responsible for vascularization [103,104].”

    From Modeling Tumor Microenvironment Complexity In Vitro: Spheroids as Physiologically Relevant Tumor Models and Strategies for Their Analysis (2025) · cites this paper as [104]

    The Introduction describes disorganized, inadequate tumour vasculature and reduced oxygenation in cells distant from blood vessels. But the Discussion (pp. 716–717) says endothelial proliferation can be faster or slower than tumour growth and is not closely correlated with it; the paper does not establish slower endothelial proliferation as the cause of hypoxic tumour cores. (LLM, conf=0.88)

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Authors
Denekamp, J., & Hobson, B.
Affiliations
Mount Vernon Hospital (GB)
Venue
British Journal of Cancer
Published
1982-11
Volume
46
Issue
5
Pages
711-720
ISSN
  • 0007-0920 (ISSN-L)
  • 1532-1827
OpenAlex
W2059927830
Cited by
237
References
26
Citations by year
2025: 2 · 2024: 3 · 2023: 7 · 2022: 2 · 2021: 4 · 2020: 4 · 2019: 4 · 2018: 3 · 2017: 4 · 2016: 4 · 2015: 4 · 2014: 8 · 2013: 6 · 2012: 4
FWCI
1.87
Type
journal article
Language
en
Open access
Locations
  • British Journal of Cancer (publishedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
Funders
Damon Runyon Cancer Research Foundation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Health Sciences › Medicine › Oncology › Lymphatic System and Diseases
Keywords
endothelial cell proliferation, tumor vasculature, labeling index, transplantable tumors, tumor growth rate, capillary formation, 3H-thymidine uptake, tumor angiogenesis, tumour therapy
MeSH terms
Animals, Cell Division, Cell Line, Endothelium, Humans, Mice, Inbred Strains, Neoplasms, Experimental, Rats, Inbred Strains, Thymidine, Mice, Rats

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