C6 Ceramide Inhibits Canine Mammary Cancer Growth and Metastasis by Targeting EGR3 through JAK1/STAT3 Signaling

  • 0Joint Laboratory of Animal Pathogen Prevention and Control of Fujian-Nepal, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China.

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Summary

This summary is machine-generated.

C6 ceramide, a tumor suppressor, inhibits canine mammary cancer growth and metastasis. It targets EGR3 by regulating the JAK1/STAT3 pathway, offering a potential new treatment strategy for canine mammary tumors.

Area Of Science

  • Veterinary Oncology
  • Cancer Biology
  • Molecular Medicine

Background

  • Canine mammary tumors are a significant clinical challenge due to high incidence and metastasis.
  • Short-chain sphingolipid C6 ceramide shows tumor suppressor potential, but its role in canine mammary cancer is unknown.

Purpose Of The Study

  • To investigate the role of C6 ceramide in canine mammary cancer progression.
  • To explore the underlying molecular mechanisms of C6 ceramide's anti-tumor effects.

Main Methods

  • In vitro studies on canine mammary cancer cells (CHMp cells).
  • In vivo studies using animal models.
  • Analysis of cell cycle, apoptosis, migration, and invasion.
  • Investigation of EGR3, JAK1/STAT3 signaling pathway.

Main Results

  • C6 ceramide inhibited canine mammary cancer cell growth by regulating the cell cycle, not apoptosis.
  • C6 ceramide reduced cell migration and invasion in vitro.
  • In vivo, C6 ceramide decreased tumor growth and lung metastasis without adverse effects.
  • Knockdown of EGR3 increased proliferation and migration via JAK1/STAT3 pathway activation.

Conclusions

  • C6 ceramide inhibits canine mammary cancer growth and metastasis by targeting EGR3.
  • The mechanism involves the regulation of the JAK1/STAT3 signaling pathway.
  • EGR3 presents a novel therapeutic target for canine mammary cancer treatment.

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