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SWI/SNF-deficient Malignancies: Optimal Candidates for Immune-oncological Therapy?

Abbas Agaimy1

  • 1Institute of Pathology, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany.

Advances in Anatomic Pathology
|September 7, 2022
PubMed

Insights

SWI/SNF (Switch/sucrose nonfermentable) complex gene mutations drive aggressive cancers unresponsive to chemotherapy. These SWI/SNF-deficient cancers show promise for immune-checkpoint inhibition therapy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • SWI/SNF (Switch/sucrose nonfermentable) complex gene mutations are frequent drivers of diverse, aggressive neoplasms.
  • SWI/SNF-deficient malignancies often exhibit rapid dissemination and poor prognosis, lacking effective chemotherapy options.
  • There is a critical need for novel systemic therapies for these challenging cancers.

Approach:

  • This review synthesizes recent literature on SWI/SNF-deficiency in cancer.
  • Focuses on the link between SWI/SNF mutations, cancer immunogenicity, and treatment response.
  • Identifies specific cancer types suitable for immune-based therapies.

Key Points:

  • SWI/SNF complex inactivation is a common oncogenic pathway across various cancer types.
  • These cancers are characterized by aggressive clinical behavior and resistance to conventional chemotherapy.
  • SWI/SNF-deficiency is emerging as a predictive biomarker for immune-checkpoint inhibitor therapy response.

Conclusions:

  • SWI/SNF-deficient cancers represent a significant unmet medical need due to aggressive behavior and therapeutic resistance.
  • The role of SWI/SNF mutations in modulating cancer immunogenicity is a key area of research.
  • Targeting immune responses in SWI/SNF-deficient tumors holds promise for improved patient outcomes.

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