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The roles of FHL2 in cancer

Jiawei Zhang1, Qun Zeng1, Meihua She2

  • 1Department of Biochemistry and Molecular Biology, Hengyang Medical School, University of South China, Changsheng West Road 28, Hengyang, 421001, China.

Clinical and Experimental Medicine
|April 27, 2023
PubMed

Insights

LIM protein FHL2 has dual roles in cancer, acting as both a tumor suppressor and an oncoprotein. Its complex functions in gene regulation and cell signaling highlight its potential as a therapeutic target.

Area of Science:

  • Molecular Biology
  • Oncology
  • Biochemistry

Background:

  • LIM domain protein 2 (FHL2) is a member of the LIM-only protein family.
  • FHL2 interacts with various proteins, regulating gene expression, cell growth, and signal transduction, particularly in muscle and cardiac tissues.
  • The FHLs protein family is increasingly linked to human tumor development.

Purpose of the Study:

  • To review the multifaceted role of FHL2 in tumor occurrence and progression.
  • To discuss FHL2's interactions with proteins and transcription factors.
  • To examine the clinical significance of FHL2 as a potential cancer therapeutic target.

Main Methods:

  • Literature review of FHL2's function in cancer.
  • Analysis of FHL2's interactions with other molecules.
  • Examination of FHL2's involvement in cellular signaling pathways.

Main Results:

  • FHL2 exhibits a "double-edged sword" role in tumors, acting as both a tumor suppressor and an oncoprotein.
  • As a tumor suppressor, FHL2 is down-regulated and inhibits tumor development by limiting cell proliferation.
  • As an oncoprotein, FHL2 is up-regulated, promoting tumor progression by suppressing apoptosis and stimulating proliferation and migration.

Conclusions:

  • FHL2 possesses complex and independent functions in tumor development.
  • Understanding FHL2's interactions and signaling pathways is crucial.
  • FHL2 represents a promising, albeit complex, target for future cancer therapies.
Keywords:
Cancer treatmentFour and a half LIM protein 2 (FHL2)LIM-only protein familySignaling pathwaysTumor progression

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