Cited by 179Mesenchymal stem cell researchCancer Cells and MetastasisAngiogenesis and VEGF in Cancer

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Omental adipose tissue-derived stromal cells promote vascularization and growth of endometrial tumors

Open access
Klopp, Ann H., Zhang, Yan, Solley, Travis, Amaya-Manzanares, Felipe, Marini, Frank, Andreeff, Michael, Debeb, Bisrat, Woodward, Wendy, Schmandt, Rosemarie, Broaddus, Russell, Lu, Karen, Kolonin, Mikhail G.·2012·Clinical Cancer Research

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Abstract

Purpose: Adipose tissue contains a population of tumor-tropic mesenchymal progenitors, termed adipose stromal cells (ASC), which engraft in neighboring tumors to form supportive tumor stroma. We hypothesized that intra-abdominal visceral adipose tissue may contain a uniquely tumor-promoting population of ASC to account for the relationship between excess visceral adipose tissue and mortality of intra-abdominal cancers. Experimental Design: To investigate this, we isolated and characterized ASC from intra-abdominal omental adipose tissue (O-ASC) and characterized their effects on endometrial cancer progression as compared with subcutaneous adipose-derived mesenchymal stromal cells (SC-ASC), bone marrow–derived mesenchymal stromal cells (BM-MSC), and lung fibroblasts. To model chronic recruitment of ASC by tumors, cells were injected metronomically into mice bearing Hec1a xenografts. Results: O-ASC expressed cell surface markers characteristic of BM-MSC and differentiated into mesenchymal lineages. Coculture with O-ASC increased endometrial cancer cell proliferation in vitro. Tumor tropism of O-ASC and SC-ASC for human Hec1a endometrial tumor xenografts was comparable, but O-ASC more potently promoted tumor growth. Compared with tumors in SC-ASC–injected mice, tumors in O-ASC–injected mice contained higher numbers of large tortuous desmin-positive blood vessels, which correlated with decreased central tumor necrosis and increased tumor cell proliferation. O-ASC exhibited enhanced motility as compared with SC-ASC in response to Hec1a-secreted factors. Conclusions: Visceral adipose tissue contains a population of multipotent MSCs that promote endometrial tumor growth more potently than MSCs from subcutaneous adipose tissue. We propose that O-ASCs recruited to tumors express specific factors that enhance tumor vascularization, promoting survival and proliferation of tumor cells. Clin Cancer Res; 18(3); 771–82. ©2011 AACR.

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Metadata

Authors
Klopp, A. H., Zhang, Y., Solley, T., Amaya-Manzanares, F., Marini, F., Andreeff, M., Debeb, B., Woodward, W., Schmandt, R., Broaddus, R., Lu, K., & Kolonin, M. G.
Affiliations
  • The University of Texas MD Anderson Cancer Center (US)
  • Authors' Affiliations: Departments of 1Radiation Oncology, 2Leukemia, 3Gynecologic Oncology, and 4Pathology, The University of Texas MD Anderson Cancer Center; and 5The Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston, Houston, Texas
Corresponding author
Kolonin, Mikhail G.
Venue
Clinical Cancer Research
Published
2012-01-31
Volume
18
Issue
3
Pages
771-782
ISSN
  • 1078-0432 (ISSN-L)
  • 1557-3265
OpenAlex
W2126961122
Cited by
178
References
49
Citations by year
2026: 4 · 2025: 3 · 2024: 5 · 2023: 19 · 2022: 6 · 2021: 13 · 2020: 7 · 2019: 11 · 2018: 13 · 2017: 17 · 2016: 12 · 2015: 21 · 2014: 16 · 2013: 22 · 2012: 8
FWCI
7.47
Type
journal article
Language
en
Open access
Locations
  • Clinical Cancer Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • U.S. Public Health Service (KG080782)
  • National Cancer Institute (P50CA098258, P50CA140388, R01CA109451, RC1CA146381, P50CA083639, P30CA016672)
  • National Institute of Neurological Disorders and Stroke (R01NS069964, R01NS06994)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Mesenchymal stem cell research
  • Health Sciences › Medicine › Oncology › Cancer Cells and Metastasis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
Keywords
omental adipose tissue, adipose-derived stromal cells, endometrial cancer, tumor vascularization, tumor stroma, visceral adipose tissue, mesenchymal stem cells, tumor cell proliferation, tumor necrosis, cell motility, tumor microenvironment
MeSH terms
Adipose Tissue, Animals, Cell Differentiation, Female, Flow Cytometry, Humans, Neovascularization, Pathologic, Omentum, Transplantation, Heterologous, Endometrial Neoplasms, Stromal Cells, Subcutaneous Fat, Mice, Mesenchymal Stem Cells

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