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Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting
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Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting

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ADAMTS1 inhibits lymphangiogenesis by attenuating phosphorylation of the lymphatic endothelial cell-specific VEGF

Junko Inagaki1, Katsuyuki Takahashi1, Hiroko Ogawa1

  • 1Department of Molecular Biology and Biochemistry, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.

Experimental Cell Research
|March 18, 2014
PubMed

Insights

ADAMTS1, a matrix metalloproteinase, inhibits tumor lymphangiogenesis by reducing cell proliferation and migration. This study reveals ADAMTS1

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Angiogenesis and lymphangiogenesis are crucial for tumor growth and metastasis.
  • ADAMTS1, a matrix metalloproteinase, is known to inhibit angiogenesis.
  • The role of ADAMTS1 in lymphangiogenesis remains unexplored.

Purpose of the Study:

  • To investigate the inhibitory effect of ADAMTS1 on lymphangiogenesis.
  • To explore the underlying molecular mechanisms of ADAMTS1 in regulating lymphatic endothelial cells.
  • To assess the therapeutic potential of ADAMTS1 in cancer therapy.

Main Methods:

  • Adenoviral human ADAMTS1 gene therapy was used to transduce normal human dermal lymphatic microvascular endothelial cells (HMVEC-dLy).
  • Cell proliferation, migration, and tube formation assays were performed.
  • VEGFC/VEGFR3 signaling pathway activation and ADAMTS1-VEGFC complex formation were examined.

Main Results:

  • ADAMTS1 gene therapy significantly reduced HMVEC-dLy proliferation and tube formation.
  • ADAMTS1 attenuated the phosphorylation of VEGFR3, a key component of the VEGFC/VEGFR3 pathway.
  • ADAMTS1 was shown to form a complex with VEGFC, inhibiting its signaling.

Conclusions:

  • ADAMTS1 effectively inhibits lymphangiogenesis in vitro.
  • ADAMTS1 represents a novel regulator of lymphangiogenesis.
  • ADAMTS1 holds therapeutic potential for targeting cancer progression and metastasis.
Keywords:
ADAMTS1LymphangiogenesisLymphatic endothelial cellVEGFCVEGFR-3

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