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Genetic Changes Driving Immunosuppressive Microenvironments in Oral Premalignancy.

Roberto Rangel1, Curtis R Pickering1, Andrew G Sikora1

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Area of Science:

  • Oncology
  • Immunology
  • Genomics

Background:

  • Oral premalignant lesions (OPLs) precede oral cavity cancers and exhibit variable progression rates.
  • OPLs represent an intermediate stage with acquired genomic alterations within an inflammatory oral environment.

Purpose of the Study:

  • To elucidate mechanisms by which OPLs develop an immunosuppressive microenvironment facilitating oral squamous cell carcinoma (OSCC) progression.
  • To describe the co-evolution of genomic alterations and immune microenvironmental changes in OSCC progression.
  • To identify evolutionary vulnerabilities in the immune microenvironment for targeted therapies.

Main Methods:

  • Review and discussion of current literature on OPLs, genomic alterations, and immune microenvironments.
  • Analysis of the interplay between genetic changes and immune modulation in oral cancer development.

Main Results:

  • Genomic alterations in OPLs contribute to the development of an immunosuppressive microenvironment.
  • This immune microenvironment promotes malignant transformation and progression to OSCC.
  • The co-evolution of genomic and immune changes creates unique vulnerabilities.

Conclusions:

  • Understanding the genomic drivers of immunosuppressive microenvironments in OPLs is crucial.
  • This knowledge may lead to novel biomarkers and therapeutic strategies to prevent oral cancer progression.
  • Targeting these immune microenvironmental changes offers a promising avenue for OPL treatment.