Ovarian cancer stem-like cells with induced translineage-differentiation capacity and are suppressed by alkaline phosphatase inhibitor

Kuei Chun Liu, Yi Te Yo, Rui Lan Huang, Yu Chi Wang, Yu Ping Liao, Tien Shuo Huang, Tai Kuang Chao, Chi Kang Lin, Shao Ju Weng, Kuo Hsing Ma, Cheng Chang Chang, Mu Hsien Yu, Hung-Cheng Lai

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Spheroid formation is one property of stem cells-such as embryo-derived or neural stem cells-that has been used for the enrichment of cancer stem-like cells (CSLCs). However, it is unclear whether CSLC-derived spheroids are heterogeneous or whether they share common embryonic stemness properties. Understanding these features might lead to novel therapeutic approaches. Ovarian carcinoma is a deadly disease of women. We identified two types of spheroids (SR1 and SR2) from ovarian cancer cell lines and patients' specimens according to their morphology. Both types expressed stemness markers and could self-renew and initiate tumors when a low number of cells were used. Only SR1 could differentiate into multiple-lineage cell types under specific induction conditions. SR1 spheroids could differentiate to SR2 spheroids through epithelial-mesenchymal transition. Alkaline phosphatase (ALP) was highly expressed in SR1 spheroids, decreased in SR2 spheroids, and was absent in differentiated progenies in accordance with the loss of stemness properties. We verified that ALP can be a marker for ovarian CSLCs, and patients with greater ALP expression is related to advanced clinical stages and have a higher risk of recurrence and lower survival rate. The ALP inhibitor, levamisole, disrupted the self-renewal of ovarian CSLCs in vitro and tumor growth in vivo. In summary, this research provides a plastic ovarian cancer stem cell model and a new understanding of the cross-link between stem cells and cancers. This results show that ovarian CSLCs can be suppressed by levamisole. Our findings demonstrated that some ovarian CSLCs may restore ALP activity, and this suggests that inhibition of ALP activity may present a new opportunity for treatment of ovarian cancer.

Original languageEnglish
Pages (from-to)2366-2382
Number of pages17
JournalOncotarget
Volume4
Issue number12
Publication statusPublished - Dec 2013

Fingerprint

Neoplastic Stem Cells
Ovarian Neoplasms
Alkaline Phosphatase
Levamisole
Epithelial-Mesenchymal Transition
Neural Stem Cells
Plastics
Neoplasms
Stem Cells
Embryonic Structures
Survival Rate
Cell Count
Carcinoma
Recurrence
Cell Line
Therapeutics
Growth
Research

Keywords

  • Alkaline phosphatase
  • Cancer stem-like cells
  • Epithelial ovarian cancer
  • Epithelial-mesenchymal transition
  • Levamisole
  • Trans-lineage differentiation

ASJC Scopus subject areas

  • Oncology

Cite this

Ovarian cancer stem-like cells with induced translineage-differentiation capacity and are suppressed by alkaline phosphatase inhibitor. / Liu, Kuei Chun; Yo, Yi Te; Huang, Rui Lan; Wang, Yu Chi; Liao, Yu Ping; Huang, Tien Shuo; Chao, Tai Kuang; Lin, Chi Kang; Weng, Shao Ju; Ma, Kuo Hsing; Chang, Cheng Chang; Yu, Mu Hsien; Lai, Hung-Cheng.

In: Oncotarget, Vol. 4, No. 12, 12.2013, p. 2366-2382.

Research output: Contribution to journalArticle

Liu, KC, Yo, YT, Huang, RL, Wang, YC, Liao, YP, Huang, TS, Chao, TK, Lin, CK, Weng, SJ, Ma, KH, Chang, CC, Yu, MH & Lai, H-C 2013, 'Ovarian cancer stem-like cells with induced translineage-differentiation capacity and are suppressed by alkaline phosphatase inhibitor', Oncotarget, vol. 4, no. 12, pp. 2366-2382.
Liu, Kuei Chun ; Yo, Yi Te ; Huang, Rui Lan ; Wang, Yu Chi ; Liao, Yu Ping ; Huang, Tien Shuo ; Chao, Tai Kuang ; Lin, Chi Kang ; Weng, Shao Ju ; Ma, Kuo Hsing ; Chang, Cheng Chang ; Yu, Mu Hsien ; Lai, Hung-Cheng. / Ovarian cancer stem-like cells with induced translineage-differentiation capacity and are suppressed by alkaline phosphatase inhibitor. In: Oncotarget. 2013 ; Vol. 4, No. 12. pp. 2366-2382.
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AU - Chao, Tai Kuang

AU - Lin, Chi Kang

AU - Weng, Shao Ju

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