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Potent effects of roniciclib alone and with sorafenib against well-differentiated thyroid cancer

Shu-Fu Lin1,2, Jen-Der Lin3,2, Chuen Hsueh2,4

  • 1Department of Internal MedicineChang Gung Memorial Hospital, Taoyuan, Taiwan mmg@cgmh.org.tw.

Endocrine-Related Cancer
|June 14, 2018
PubMed

Insights

Roniciclib, a cyclin-dependent kinase inhibitor, effectively reduced thyroid cancer cell proliferation and tumor growth. Combination therapy with sorafenib showed enhanced efficacy and a good safety profile, supporting its potential use in treating well-differentiated thyroid cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Cyclin-dependent kinases (CDKs) are frequently activated in human cancers.
  • CDKs regulate cell cycle transition and proliferation, making them potential therapeutic targets for malignancy.

Purpose of the Study:

  • To investigate the therapeutic effects of roniciclib, a CDK inhibitor, on well-differentiated thyroid cancer (papillary and follicular).

Main Methods:

  • In vitro: Roniciclib's effect on thyroid cancer cell lines (proliferation, apoptosis, cell cycle arrest).
  • In vivo: Roniciclib's efficacy in xenograft models of well-differentiated thyroid cancer.
  • Combination therapy: Roniciclib with sorafenib in a follicular thyroid cancer xenograft model.

Main Results:

  • Roniciclib inhibited thyroid cancer cell proliferation and induced apoptosis in a dose-dependent manner.
  • Roniciclib treatment led to G2/M phase cell cycle arrest.
  • Roniciclib retarded tumor growth in vivo and combination therapy with sorafenib demonstrated enhanced efficacy.
  • Both monotherapy and combination therapy showed acceptable safety profiles.

Conclusions:

  • Roniciclib demonstrates significant anti-cancer activity against well-differentiated thyroid cancer.
  • Roniciclib, alone or in combination with sorafenib, represents a promising therapeutic strategy for well-differentiated thyroid cancer.
  • Further clinical investigation of roniciclib for thyroid cancer treatment is warranted.
Keywords:
cyclin-dependent kinaseroniciclibwell-differentiated thyroid cancer

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