Novel leptin OB3 peptide-induced signaling and progression in thyroid cancers: Comparison with leptin

Yu Chen S H Yang, Yu Tang Chin, Meng Ti Hsieh, Hsuan Yu Lai, Chien Chih Ke, Dana R. Crawford, Oscar K. Lee, Earl Fu, Shaker A. Mousa, Patricia Grasso, Leroy-Fong Liu, Heng-Yu Chang, Heng Yuan Tang, Hung-Yun Lin, Paul J. Davis

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Obesity results in increased secretion of cytokines from adipose tissue and is a risk factor for various cancers. Leptin is largely produced by adipose tissue and cancer cells. It induces cell proliferation and may serve to induce various cancers. OB3-leptin peptide (OB3) is a new class of functional leptin peptide. However, its mitogenic effect has not been determined. In the present study, because of a close link between leptin and the hypothalamic-pituitary-thyroid axis, OB3 was compared with leptin in different thyroid cancer cells for gene expression, proliferation and invasion. Neither agent stimulated cell proliferation. Leptin stimulated cell invasion, but reduced adhesion in anaplastic thyroid cancer cells. Activated ERK1/2 and STAT3 contributed to leptin-induced invasion. In contrast, OB3 did not affect expression of genes involved in proliferation and invasion. In vivo studies in the mouse showed that leptin, but not OB3, significantly increased circulating levels of thyrotropin (TSH), a growth factor for thyroid cancer. In summary, OB3 is a derivative of leptin that importantly lacks the mitogenic effects of leptin on thyroid cancer cells.

Original languageEnglish
Pages (from-to)27641-27654
Number of pages14
JournalOncotarget
Volume7
Issue number19
DOIs
Publication statusPublished - May 10 2016

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leptin (116-130)
Leptin
Thyroid Neoplasms
Adipose Tissue
Cell Proliferation
Gene Expression
Neoplasms

Keywords

  • Cancer cell invasion
  • Leptin
  • OB3-leptin peptide
  • Obesity

ASJC Scopus subject areas

  • Oncology

Cite this

Yang, Y. C. S. H., Chin, Y. T., Hsieh, M. T., Lai, H. Y., Ke, C. C., Crawford, D. R., ... Davis, P. J. (2016). Novel leptin OB3 peptide-induced signaling and progression in thyroid cancers: Comparison with leptin. Oncotarget, 7(19), 27641-27654. https://doi.org/10.18632/oncotarget.8505

Novel leptin OB3 peptide-induced signaling and progression in thyroid cancers : Comparison with leptin. / Yang, Yu Chen S H; Chin, Yu Tang; Hsieh, Meng Ti; Lai, Hsuan Yu; Ke, Chien Chih; Crawford, Dana R.; Lee, Oscar K.; Fu, Earl; Mousa, Shaker A.; Grasso, Patricia; Liu, Leroy-Fong; Chang, Heng-Yu; Tang, Heng Yuan; Lin, Hung-Yun; Davis, Paul J.

In: Oncotarget, Vol. 7, No. 19, 10.05.2016, p. 27641-27654.

Research output: Contribution to journalArticle

Yang, YCSH, Chin, YT, Hsieh, MT, Lai, HY, Ke, CC, Crawford, DR, Lee, OK, Fu, E, Mousa, SA, Grasso, P, Liu, L-F, Chang, H-Y, Tang, HY, Lin, H-Y & Davis, PJ 2016, 'Novel leptin OB3 peptide-induced signaling and progression in thyroid cancers: Comparison with leptin', Oncotarget, vol. 7, no. 19, pp. 27641-27654. https://doi.org/10.18632/oncotarget.8505
Yang, Yu Chen S H ; Chin, Yu Tang ; Hsieh, Meng Ti ; Lai, Hsuan Yu ; Ke, Chien Chih ; Crawford, Dana R. ; Lee, Oscar K. ; Fu, Earl ; Mousa, Shaker A. ; Grasso, Patricia ; Liu, Leroy-Fong ; Chang, Heng-Yu ; Tang, Heng Yuan ; Lin, Hung-Yun ; Davis, Paul J. / Novel leptin OB3 peptide-induced signaling and progression in thyroid cancers : Comparison with leptin. In: Oncotarget. 2016 ; Vol. 7, No. 19. pp. 27641-27654.
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