10.6084/m9.figshare.c.3630536_D4.v1 Wei Lin Wei Lin Yuanzhen Suo Yuanzhen Suo Yuting Deng Yuting Deng Zhichao Fan Zhichao Fan Yijie Zheng Yijie Zheng Xunbin Wei Xunbin Wei Yiwei Chu Yiwei Chu Additional file 4: Video 2. of Morphological change of CD4+ T cell during contact with DC modulates T-cell activation by accumulation of F-actin in the immunology synapse Springer Nature 2015 T-cell activation F-actin Immunological synapse Calcium signal 2015-08-26 05:00:00 Media https://springernature.figshare.com/articles/media/Additional_file_4_Video_2_of_Morphological_change_of_CD4_T_cell_during_contact_with_DC_modulates_T-cell_activation_by_accumulation_of_F-actin_in_the_immunology_synapse/4422446 The morphology of a CD4+ T cell changes from round to round-flattened during the IS formation. TCR is shown red, ICAM-1 is green, and scale bar is 2 Οm. Before IS formation, TCR was uniformed on the surface of T cell. After IS formation, TCR and ICAM-1 was accumulated at the interface of T-DC.