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Strategic engineering B cell immunity for cancer immunotherapy
Chengyi Li1, Hrishi Venkatesh1, Lam Trieu1
1Immunotherapy Integrated Research Center, Fred Hutchinson Cancer Center, Seatle, WA, USA.
Summary
B cells within tumors are linked to better patient responses to immune checkpoint blockade therapy. Targeting B cell presence and tertiary lymphoid structures (TLS) may enhance anti-tumor immunity and improve cancer treatment outcomes.
Area of Science:
- Oncology
- Immunology
- Cancer Research
Background:
- Clinical data reveal a correlation between B-cell presence in tumors and improved patient outcomes after immune checkpoint blockade.
- Mature tertiary lymphoid structures (TLS), characterized by distinct B and T cell zones, are associated with patient response to immunotherapy.
Purpose of the Study:
- To investigate the context-dependent roles of B cell immunity (antibody secretion, antigen presentation, cytokine production) in anti- and pro-tumorigenic functions.
- To understand the importance of B cell-mediated immunity for tumor control.
Main Methods:
- Analysis of clinical datasets across various cancer types.
- Review of existing clinical observations on tertiary lymphoid structures (TLS) and immunotherapy response.
Main Results:
- B cell presence and mature TLS are key determinants of patient response to immune checkpoint blockade.
- B cell functions like antibody secretion and antigen presentation play crucial roles in tumor control.
Conclusions:
- Therapeutic strategies aimed at increasing B cell infiltration and TLS maturation hold promise for reprogramming the tumor microenvironment.
- Enhancing B cell-mediated anti-tumor immunity can lead to improved tumor clearance and better patient survival in cancer immunotherapy.
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