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Elevated origin recognition complex subunit 6 expression promotes non-small cell lung cancer cell growth.

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Elevated origin recognition complex subunit 6 (ORC6) expression promotes non-small cell lung cancer (NSCLC) growth. Silencing ORC6 inhibits NSCLC cell proliferation, migration, and invasion, offering a potential therapeutic target.

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Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Non-small cell lung cancer (NSCLC) necessitates novel therapeutic targets.
  • Origin recognition complex subunit 6 (ORC6) is investigated for its role in NSCLC.

Purpose of the Study:

  • To explore the expression and functional significance of ORC6 in NSCLC.
  • To determine if ORC6 can serve as a potential therapeutic target for NSCLC.

Main Methods:

  • Analysis of TCGA-lung adenocarcinoma database and patient tissues.
  • Bioinformatics analyses across various cancers.
  • In vitro studies using shRNA and CRISPR-sgRNA for ORC6 manipulation in NSCLC cells.
  • In vivo xenograft models.

Main Results:

  • ORC6 expression is significantly increased in NSCLC tissues and correlates with poor prognosis.
  • ORC6 knockdown or knockout inhibits NSCLC cell proliferation, migration, invasion, and induces apoptosis.
  • ORC6 overexpression enhances NSCLC cell proliferation and migration.
  • ORC6 regulates key cell cycle cyclins (Cyclin A2, B1, D1).
  • In vivo ORC6 silencing suppresses tumor growth.

Conclusions:

  • Elevated ORC6 expression is a driver of NSCLC progression.
  • Targeting ORC6 demonstrates significant anti-NSCLC activity in vitro and in vivo.
  • ORC6 represents a promising therapeutic target for NSCLC treatment.