Single-Cell Atlas of Healthy Human Blood Unveils Age-Related Loss of NKG2C⁺GZMB^–CD8⁺ Memory T Cells and Accumulation of Type 2 Memory T Cells

Using single-cell RNA/T cell receptor/BCR-seq with protein feature barcoding, the authors profiled 317 samples from 166 healthy individuals aged 25–85 years old.