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A guide is provided below the animation.
Guide
1. Tumour (yellow area) is present and unaffected by T cells of the body.
2. Tumour is bound by bispecific antibody composed of active tumour binding site and reversibly inactivated anti-T-cell binding site.
3. T cells do not bind to inactivated anti-T-cell sites in unilluminated areas of the body.
4. The general area of the tumour is illuminated - activating the anti-T-cell binding site.
5. T -cells are captured and activated at the tumour site.
6. The tumour is killed.