Cited by 426Adipose Tissue and MetabolismAdipokines, Inflammation, and Metabolic DiseasesPeroxisome Proliferator-Activated Receptors

Zfp423 Expression Identifies Committed Preadipocytes and Localizes to Adipose Endothelial and Perivascular Cells

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Gupta, Rana K., Mepani, Rina J., Kleiner, Sandra, Lo, James C., Khandekar, Melin J., Cohen, Paul, Frontini, Andrea, Bhowmick, Diti Chatterjee +3 more·2012·Cell Metabolism

Abstract

Progress has been made in elucidating the cell-surface phenotype of primary adipose progenitors; however, specific functional markers and distinct molecular signatures of fat depot-specific preadipocytes have remained elusive. In this study, we label committed murine adipose progenitors through expression of GFP from the genetic locus for Zfp423, a gene controlling preadipocyte determination. Selection of GFP-expressing fibroblasts from either subcutaneous or visceral adipose-derived stromal vascular cultures isolates stably committed preadipocytes that undergo robust adipogenesis. Immunohistochemistry for Zfp423-driven GFP expression in vivo confirms a perivascular origin of preadipocytes within both white and brown adipose tissues. Interestingly, a small subset of capillary endothelial cells within white and brown fat also express this marker, suggesting a contribution of specialized endothelial cells to the adipose lineage. Zfp423(GFP) mice represent a simple tool for the specific localization and isolation of molecularly defined preadipocytes from distinct adipose tissue depots.

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Crossref · 10.1016/j.cmet.2012.01.010

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  • In HFD-challenged mice, VEGF-A increased WAT vascularization and beiging, augmented energy expenditure, and prevented unfavorable metabolic changes, while VEGF-A/VEGFR2 blockade aggravated systemic insulin insensitivity.

    “In HFD-challenged mice, VEGF-A significantly increased WAT vascularization and beiging, which augmented energy expenditure and prevented unfavorable metabolic changes, while blockade of VEGF-A/VEGFR2 caused aggravated systemic insulin insensitivity.”
  • In ob/ob mice with pre-existing obesity, inhibiting VEGF-A/VEGFR2 signaling improved insulin sensitivity and decreased body weight.

    “In contrast, in ob/ob mice with pre-existing obesity, inhibiting the VEGF-A/ VEGFR2 signaling pathway resulted in improved insulin sensitivity and decreased body weight.”
  • WAT-specific overexpression of VEGF-A has differential metabolic effects in mice challenged with HFD versus genetically obese mice.

    “Our group has reported that WAT-specific overexpression of VEGF-A resulted in differential metabolic effects in mice challenged with a HFD or mice that are genetically obese (22).”

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Authors
Gupta, R. K., Mepani, R. J., Kleiner, S., Lo, J. C., Khandekar, M. J., Cohen, P., Frontini, A., Bhowmick, D. C., Ye, L., Cinti, S., & Spiegelman, B. M.
Affiliations
  • Harvard University (US)
  • Marche Polytechnic University (IT)
Corresponding author
Spiegelman, Bruce M.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2012-02
Volume
15
Issue
2
Pages
230-239
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2090535095
Cited by
426
References
70
Citations by year
2026: 16 · 2025: 11 · 2024: 19 · 2023: 24 · 2022: 30 · 2021: 22 · 2020: 35 · 2019: 29 · 2018: 38 · 2017: 41 · 2016: 30 · 2015: 34 · 2014: 31 · 2013: 41 · 2012: 24
FWCI
27.88
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Università Politecnica delle Marche (Università Politecnica delle Marche) (submittedVersion)
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (T32HL007604)
  • National Institute of Diabetes and Digestive and Kidney Diseases (K01DK090120, R01DK031405, DK-31405, R37DK031405)
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
Keywords
Zfp423, preadipocytes, adipogenesis, perivascular cells, white adipose tissue, brown adipose tissue, adipose tissue depots, GFP reporter mice, lineage tracing
MeSH terms
Animals, Cell Differentiation, DNA-Binding Proteins, Flow Cytometry, Immunohistochemistry, Mice, Transgenic, Stem Cells, Transcription Factors, Adipocytes, Cell Lineage, Pericytes, Gene Expression Profiling, Endothelial Cells, Green Fluorescent Proteins, Mice

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