CD8+ T cells have been categorized as an adaptive lymphocyte, based on their ability to recognize specific foreign antigens and mount memory responses. However, neonatal and adult CD8+ T cells are der
H-score = proportion score×intensity score. A total score of 0–12 was calculated and graded as negative (−, score:0), weak (+, score:1–4), moderate (++, score:5–8) or strong (+++, score:9–12).