Title : Cancer Immunotherapy: The Systemic Response
link : Cancer Immunotherapy: The Systemic Response
Cancer Immunotherapy: The Systemic Response
An article on cancer immunotherapy; the abstract:
Immune responses involve coordination across cell types and tissues. However, studies in cancer immunotherapy have focused heavily on local immune responses in the tumor microenvironment. To investigate immune activity more broadly, we performed an organism-wide study in genetically engineered cancer models using mass cytometry. We analyzed immune responses in several tissues after immunotherapy by developing intuitive models for visualizing single-cell data with statistical inference. Immune activation was evident in the tumor and systemically shortly after effective therapy was administered. However, during tumor rejection, only peripheral immune cells sustained their proliferation. This systemic response was coordinated across tissues and required for tumor eradication in several immunotherapy models. An emergent population of peripheral CD4 T cells conferred protection against new tumors and was significantly expanded in patients responding to immunotherapy. These studies demonstrate the critical impact of systemic immune responses that drive tumor rejection.
In other words, a local response at the tumor by the immune system is sufficient for sustained proliferation of the immune response required for tumor rejection. A (body-wide) systemic immune response is required, a set of responses that, as the article states "involve coordination across cell types and tissues."
It would stand to reason, as my hypothesis, that those things that would enhance the overall function of the immune system - diet, exercise, proper sleep, less stress, and possibly the gut microbiota - would assist the body in generating the systemic responses required for tumor rejection. More studies are required to evaluate my hypothesis.
Thus Article Cancer Immunotherapy: The Systemic Response
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