Effect of β4 integrin knockdown by RNA interference in anaplastic thyroid carcinoma

Tae Woong Noh, Young Hwa Soung, Hong Im Kim, Hyea Jin Gil, Jeong Mo Kim, Eun Jig Lee, Jun Chung

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Background: Integrin α6β4 is a known tumor antigen; however, its function in different subtypes of thyroid cancer is not known. This study reports that α6β4 expression is selectively up-regulated in anaplastic thyroid cancer (ATC) cells, the most malignant subtype of human thyroid cancer. Materials and Methods: To assess the contribution of α6β4 in ATC progression, cell proliferation, motility and soft agar assay were performed in vitro and a xenograft tumor growth assay was performed in vivo. Results: Knockdown of β4 integrin subunit expression by shRNA in ATC cells reduced the proliferation, migration, and anchorage-independent growth of ATC cells in vitro and xenograft tumor growth in vivo. Conclusion: These data suggest that integrin α6β4 contributes to the development of aggressive forms of thyroid cancer with poor prognostic potential, such as ATC, and thus may be a novel therapeutic target for the treatment for this subtype of thyroid cancer.

Original languageEnglish
Pages (from-to)4485-4492
Number of pages8
JournalAnticancer research
Volume30
Issue number11
Publication statusPublished - 2010 Nov 1

Fingerprint

RNA Interference
Integrins
Thyroid Neoplasms
Xenograft Model Antitumor Assays
Growth
Cell Proliferation
Neoplasm Antigens
Heterografts
Small Interfering RNA
Agar
Cell Movement
Anaplastic Thyroid Carcinoma
Neoplasms
In Vitro Techniques
Therapeutics

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

Noh, T. W., Soung, Y. H., Kim, H. I., Gil, H. J., Kim, J. M., Lee, E. J., & Chung, J. (2010). Effect of β4 integrin knockdown by RNA interference in anaplastic thyroid carcinoma. Anticancer research, 30(11), 4485-4492.
Noh, Tae Woong ; Soung, Young Hwa ; Kim, Hong Im ; Gil, Hyea Jin ; Kim, Jeong Mo ; Lee, Eun Jig ; Chung, Jun. / Effect of β4 integrin knockdown by RNA interference in anaplastic thyroid carcinoma. In: Anticancer research. 2010 ; Vol. 30, No. 11. pp. 4485-4492.
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Noh, TW, Soung, YH, Kim, HI, Gil, HJ, Kim, JM, Lee, EJ & Chung, J 2010, 'Effect of β4 integrin knockdown by RNA interference in anaplastic thyroid carcinoma', Anticancer research, vol. 30, no. 11, pp. 4485-4492.

Effect of β4 integrin knockdown by RNA interference in anaplastic thyroid carcinoma. / Noh, Tae Woong; Soung, Young Hwa; Kim, Hong Im; Gil, Hyea Jin; Kim, Jeong Mo; Lee, Eun Jig; Chung, Jun.

In: Anticancer research, Vol. 30, No. 11, 01.11.2010, p. 4485-4492.

Research output: Contribution to journalArticle

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Noh TW, Soung YH, Kim HI, Gil HJ, Kim JM, Lee EJ et al. Effect of β4 integrin knockdown by RNA interference in anaplastic thyroid carcinoma. Anticancer research. 2010 Nov 1;30(11):4485-4492.