How Technology is Reshaping Immunotherapy
The biomarker and immune cell tools help to recognize the patients that will respond to immunotherapy.
FREMONT, CA: Immunotherapy shows promising results against various forms of cancers, as it boosts the immune cells of a patient to increase the innate immune system's strength. For example, during adoptive T-cell immunotherapy, the T cells are removed from a patient to be prepared to battle against cancer cells and then returned to the patient. Other methods are also showing promise, like blocking the pathway of the checkpoint inhibitor.
It is presumed that a connection between two proteins (PD-1 and PD-L1) forms a defense that safeguard cancer cells from the patient's immune cell attacks. It is assumed that disrupting this pathway and thus snatching away the shield of cancer cells would enable the immune system to operate more efficiently. PD-1 is even recognized as a checkpoint protein, so the disrupting process is also known as checkpoint inhibitor therapy.
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Identifying likely responders using biomarkers
Although some patients benefit from immunotherapies that target the interaction between PD-1/PD-L1, others may not. Several research groups are looking for ways to classify patients who are likely to respond to the medication before starting therapy, such as biomarkers in a biopsy of patients.
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