The novel Piperine derivative YL-1-9 exhibits anti-breast Cancer effects by inducing apoptosis via the p53/p21

Chongyun Zhou1, Jiayun Wang1, Lili Zhou1

  • 1Jiangsu Key Laboratory for Screening of Marine Pharmaceutical Active Molecules, School of Pharmacy, Jiangsu Ocean University, Lianyungang 222000, PR China.

Insights

A new Piperine derivative, YL-1-9, shows significant anticancer effects against breast cancer by inhibiting cell growth, migration, and inducing apoptosis. This compound offers a promising therapeutic avenue, pending further clinical evaluation.

Area of Science:

  • Oncology
  • Pharmacology
  • Molecular Biology

Background:

  • Breast cancer pathogenesis involves the tumor suppressor protein p53, often compromised by MDM2 overexpression or p53 gene mutations in 30-35% of cases.
  • Piperine, a natural compound, inhibits breast cancer growth by upregulating p53, but faces clinical limitations due to poor bioavailability and potential toxicity.
  • A novel Piperine derivative, YL-1-9, was synthesized to overcome these limitations and enhance anticancer activity.

Purpose of the Study:

  • To evaluate the in vitro and in vivo anticancer activity of the novel Piperine derivative, YL-1-9, against breast cancer.
  • To investigate the effects of YL-1-9 on key breast cancer cell behaviors including proliferation, clonogenicity, adhesion, invasion, and migration.
  • To elucidate the molecular mechanisms underlying YL-1-9's anticancer effects, focusing on cell cycle regulation and apoptosis signaling pathways.

Main Methods:

  • In vitro and in vivo antitumor effects were assessed using MTT assays and the chick embryo chorioallantoic membrane (CAM) model.
  • Cellular effects were evaluated through colony formation, EdU, cell adhesion, invasion, and wound healing assays.
  • Western blot analysis, YO-PRO-1, and propidium iodide staining were used to determine effects on cell cycle and apoptosis.

Main Results:

  • YL-1-9 significantly inhibited breast cancer cell proliferation, adhesion, invasion, and migration.
  • The compound induced cell cycle arrest and promoted apoptosis in breast cancer cells.
  • Mechanistically, YL-1-9 downregulated key proteins in the CDK4/6-cyclin D-Rb-E2F and Caspase 3/Bax/Bcl-2 signaling pathways.

Conclusions:

  • YL-1-9 demonstrates potent anticancer activity against breast cancer, targeting proliferation, metastasis, and apoptosis.
  • The compound's mechanism involves modulation of cell cycle and apoptosis regulatory proteins.
  • YL-1-9 represents a promising therapeutic candidate for breast cancer, warranting further clinical investigation.

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