Preventing surgery-induced NK cell dysfunction and cancer metastases with influenza vaccination
Lee-Hwa Tai1, Jiqing Zhang2, Rebecca C Auer3
1Centre for Innovative Cancer Research; Ottawa Hospital Research Institute; Ottawa, Canada.
Abstract:
Surgical resection is the mainstay of treatment for solid tumors, but the postoperative period is uniquely inclined to the formation of metastases, largely due to the suppression of natural killer (NK) cells. We found that preoperative influenza vaccination prevents postoperative NK-cell dysfunction, attenuating tumor dissemination in murine models and promoting the activation of NK cells in cancer patients.
Insights
Preoperative influenza vaccination prevents postoperative natural killer (NK) cell dysfunction, a key factor in cancer metastasis. This approach reduces tumor spread in animal models and activates NK cells in human cancer patients.
Area of Science:
- Immunology
- Oncology
- Vaccinology
Background:
- Surgical resection is a primary treatment for solid tumors.
- The postoperative period increases the risk of cancer metastasis.
- Postoperative metastasis is linked to suppressed natural killer (NK) cell activity.
Purpose of the Study:
- To investigate the effect of preoperative influenza vaccination on postoperative NK-cell function.
- To determine if vaccination can prevent NK-cell suppression and subsequent tumor dissemination.
- To evaluate NK-cell activation in cancer patients receiving preoperative vaccination.
Main Methods:
- Utilized murine models to study tumor metastasis after surgical resection.
- Administered influenza vaccination preoperatively in animal models.
- Assessed NK-cell function and activation markers in both murine models and cancer patients.
Main Results:
- Preoperative influenza vaccination prevented NK-cell dysfunction in the postoperative period.
- Vaccination significantly attenuated tumor dissemination in murine models.
- The study observed enhanced NK-cell activation in cancer patients following preoperative vaccination.
Conclusions:
- Preoperative influenza vaccination is a promising strategy to mitigate postoperative NK-cell suppression.
- Vaccination may reduce the risk of cancer metastasis following surgery.
- This approach warrants further investigation for improving cancer patient outcomes.
Related Concept Videos
Vaccinations
Inhibitors of Viral Protein Synthesis
Cancer Vaccines
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cytotoxic T Cells-mediated Immune Response
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Cells of the Innate Immune Response
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
Immune Response Against Viral Pathogens
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...


