Fibroblast growth factor Receptor 3 up-regulates vascular endothelial growth factor expression in L6 cells

Lijun Zhu, Yun Yen, Jimin Shao, Christina H. Qi, Christina Yen, Jianhong Luo, Bingsen Zhou

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Overexpression of Vascular Endothelial Growth Factor (VEGF) has been associated with increased angiogenesis, tumor growth and metastasis in tumors. Fibroblast Growth Factor Receptor 3 (FGFR3) acts as an oncogene in several tumor types, including multiple myeloma, bladder cancer and cervical cancer. Our previous studies have shown that inhibition of FGFR3 caused down regulation of VEGF in multiple myeloma. In order to better understand the molecular mechanism of FGFR3 and VEGF, L6 cells lacking any endogenous FGFR were stably transfected with FGFR3 at the present study. The FGFR3 expression was validated by Northern blot and Western blot. Compared with parental L6 cell and L6V (transfected with vector only), L6 cells with stably transfected FGFR3 showed overexpression of VEGF. [3H] Thymidine uptake and CellTiter 96 Aqueous One Solution cell proliferation assay demonstrated that DNA synthesis and cell proliferation were increased in FGFR3 expression L6 cells. These observations indicate that FGFR3 might be associated with regulation of VEGF, suggesting that combinations of inhibition of VEGF and inhibition of FGFR3 may have an advantage for the treatment of FGFR3 overexpression neoplastic disease.

Original languageEnglish
Pages (from-to)324-330
Number of pages7
JournalInternational Journal of Pharmacology
Volume2
Issue number3
DOIs
Publication statusPublished - May 1 2006
Externally publishedYes

Fingerprint

Receptor, Fibroblast Growth Factor, Type 3
Vascular Endothelial Growth Factor A
Up-Regulation
Multiple Myeloma
Cell Proliferation
Neoplasms
Oncogenes
Urinary Bladder Neoplasms
Uterine Cervical Neoplasms
Northern Blotting
Thymidine
Down-Regulation

Keywords

  • Fibroblast Growth Factor Receptor 3 (FGFR3)
  • L6 cell line
  • Vascular Endothelial Growth Factor (VEGF)

ASJC Scopus subject areas

  • Pharmacology

Cite this

Fibroblast growth factor Receptor 3 up-regulates vascular endothelial growth factor expression in L6 cells. / Zhu, Lijun; Yen, Yun; Shao, Jimin; Qi, Christina H.; Yen, Christina; Luo, Jianhong; Zhou, Bingsen.

In: International Journal of Pharmacology, Vol. 2, No. 3, 01.05.2006, p. 324-330.

Research output: Contribution to journalArticle

Zhu, Lijun ; Yen, Yun ; Shao, Jimin ; Qi, Christina H. ; Yen, Christina ; Luo, Jianhong ; Zhou, Bingsen. / Fibroblast growth factor Receptor 3 up-regulates vascular endothelial growth factor expression in L6 cells. In: International Journal of Pharmacology. 2006 ; Vol. 2, No. 3. pp. 324-330.
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