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FAM162A Promotes Osteosarcoma Progression Via Activating HIF-1α to Enhance Glycolysis.

Jun Zhang1,2,3, Zhigang Liu4,5, Li Fan6

  • 1Department of Orthopaedics, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.

Molecular Carcinogenesis
|March 26, 2026
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Summary

Family with sequence similarity 162 member A (FAM162A) is upregulated in osteosarcoma, promoting cancer progression by enhancing glycolysis via HIF-1α activation. Targeting FAM162A may offer a new therapeutic strategy for osteosarcoma patients.

Keywords:
FAM162AHIF1αglycolysisosteosarcoma

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Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Osteosarcoma (OS) is a primary bone cancer with high metastatic potential.
  • FAM162A is an oncogene in several cancers, but its role in OS is unclear.
  • Understanding FAM162A's function in OS is crucial for developing targeted therapies.

Purpose of the Study:

  • To investigate the role and mechanism of FAM162A in osteosarcoma development.
  • To determine the correlation between FAM162A expression and patient prognosis.
  • To explore FAM162A's impact on glucose metabolism in OS cells.

Main Methods:

  • Bioinformatics and immunohistochemical analysis to assess FAM162A expression.
  • Cell proliferation and migration assays (CCK-8, colony formation, scratch, trans-well).
  • Gene Ontology (GO) and KEGG pathway analyses; mechanistic studies involving HIF-1α inhibition.

Main Results:

  • FAM162A was significantly upregulated in osteosarcoma tissues and correlated with poor patient prognosis.
  • FAM162A overexpression promoted OS cell proliferation and migration.
  • FAM162A activates glycolysis by upregulating HIF-1α and PKM2, driving OS progression.

Conclusions:

  • FAM162A plays a critical role in osteosarcoma progression by reprogramming glucose metabolism.
  • FAM162A's activation of the HIF-1α/PKM2 axis is a key mechanism in OS.
  • FAM162A represents a potential therapeutic target for osteosarcoma treatment.