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Knockdown of GATAD2A suppresses cell proliferation in thyroid cancer in vitro

Zongping Wang1, Jie Kang1, Xianzhao Deng1

  • 1Department of General Surgery, The Sixth People's Hospital Affiliated to Shanghai Jiaotong University, Shanghai 200233, P.R. China.

Oncology Reports
|March 6, 2017
PubMed

Insights

GATAD2A knockdown inhibits thyroid cancer cell growth and colony formation. This study reveals GATAD2A

Area of Science:

  • Oncology
  • Molecular Biology

Background:

  • GATA zinc finger domain containing 2A (GATAD2A) is a NuRP subunit involved in tumor growth and development.
  • Its specific role in thyroid cancer pathogenesis is not well understood.

Purpose of the Study:

  • To investigate the function of GATAD2A in thyroid cancer cell proliferation, cell cycle, and apoptosis.
  • To assess the potential of GATAD2A as a therapeutic target or biomarker in thyroid cancer.

Main Methods:

  • Thyroid cancer cell lines were established with GATAD2A knockdown using lentivirus-delivered short hairpin RNA (shRNA).
  • Loss-of-function assays included MTT and colony formation assays to evaluate proliferation and colony formation.
  • Cell cycle analysis was performed using flow cytometry.
  • Apoptosis was assessed via Annexin V/7-AAD staining and Western blotting for caspase-3 and PARP cleavage.

Main Results:

  • GATAD2A knockdown significantly reduced thyroid cancer cell proliferation and colony formation.
  • Knockdown cells exhibited a decreased percentage in the G0/G1 phase and an increased percentage in the G2/M phase of the cell cycle.
  • Inhibition of GATAD2A promoted apoptosis, evidenced by increased caspase-3 and PARP cleavage.

Conclusions:

  • GATAD2A plays a crucial role in regulating thyroid cancer cell growth and survival.
  • GATAD2A is a potential therapeutic biomarker for thyroid cancer, warranting further investigation for targeted therapies.

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