Abo T, Cooper M D, Balch C M
J Exp Med. 1982 Jan 1;155(1):321-6. doi: 10.1084/jem.155.1.321.
Human natural killer (NK) and killer (K) cells were directly enumerated using a monoclonal antibody (HNK-1) and an immunofluorescence assay. The frequency of cells bearing surface HNK-1 antigen was very low in the newborn (less than 1.0%) and increased progressively through childhood and into adult life. This was correlated with an age-related increase in functional NK and K cell activities. Males had a slightly higher proportion of HNK-1+ cells than females. In addition to HNK-1 expression on the surface membrane, a prominent cytoplasmic expression of HNK-1 antigen was found in some but not all surface HNK-1+ cells. The cytoplasmic accumulation of HNK-1 molecules appeared to occur in more mature cells of this lineage.
利用单克隆抗体(HNK-1)和免疫荧光测定法直接计数人类自然杀伤(NK)细胞和杀伤(K)细胞。新生儿中携带表面HNK-1抗原的细胞频率非常低(低于1.0%),并在儿童期逐渐增加,直至成年。这与NK和K细胞功能随年龄增长而增加相关。男性HNK-1+细胞的比例略高于女性。除了表面膜上的HNK-1表达外,在一些但并非所有表面HNK-1+细胞中发现了HNK-1抗原的显著细胞质表达。HNK-1分子的细胞质积累似乎发生在该谱系中更成熟的细胞中。