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  3. Crispr/cas9-mediated Knock Out Of Itgb6 In Human Oscc Cells Reduced Migration And Proliferation Ability.
  1. Home
  3. Crispr/cas9-mediated Knock Out Of Itgb6 In Human Oscc Cells Reduced Migration And Proliferation Ability.

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CRISPR/Cas9-mediated knock out of ITGB6 in human OSCC cells reduced migration and proliferation ability.

Maximilian Geyer1, Fabian Geyer2, Ute Reuning3

  • 1Department of Oral and Maxillofacial Surgery, Klinikum rechts der Isar der Technischen Universität München, D-81675, Munich, Germany. maximilian.geyer@web.de.

Head & Face Medicine
|June 18, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

This study knocked out integrin beta 6 (ITGB6) in oral squamous cell carcinoma (OSCC) cells using CRISPR/Cas9. The ITGB6 knockout significantly reduced cancer cell migration and proliferation, suggesting ITGB6 as a therapeutic target for OSCC.

Keywords:
CRISPR/Cas9Integrin beta 6Knock outOral squamous cell carcinoma

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Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Oral squamous cell carcinoma (OSCC) treatment remains challenging with stagnant survival rates.
  • Integrins, particularly integrin αvβ6 and its subunit integrin beta 6 (ITGB6), are implicated in OSCC progression and poor patient outcomes.
  • High ITGB6 expression correlates with enhanced invasiveness and downstream pro-cancer pathways.

Purpose of the Study:

  • To establish a CRISPR/Cas9-mediated ITGB6 knockout in the human OSCC cell line HN.
  • To investigate the functional impact of ITGB6 knockout on OSCC cell migration and proliferation.

Main Methods:

  • CRISPR/Cas9 gene editing, RNPs, and lipofection were employed for ITGB6 knockout.
  • Monoclonal cell clones were isolated via limiting dilution and verified using Sanger sequencing and FACS.
  • Cell proliferation and migration were assessed using MTT and scratch assays, respectively.
  • In silico TCGA analysis explored ITGB6's correlation with OSCC patient survival and perineural invasion.

    • Main Results:

    • In silico analysis demonstrated that ITGB6 mRNA expression significantly impacts OSCC patient overall survival and is linked to higher rates of perineural invasion.
    • A monoclonal ITGB6 knockout clone was successfully generated in the HN OSCC cell line.
    • The ITGB6 knockout clone exhibited significantly reduced migration and proliferation capabilities compared to wildtype cells.

    Conclusions:

    • ITGB6 plays a significant role in OSCC progression, indicating its potential as a target for novel therapeutic strategies.
    • This study presents the first monoclonal CRISPR/Cas9-mediated ITGB6 knockout clone derived from an OSCC cell line.
    • ITGB6 significantly influences the in vitro proliferative and migratory capacities of OSCC cells.