Table 1.
PCR product | LCs | ECs − LCs | Buffy coat |
---|---|---|---|
5-LO | +++ | − | +++ |
FLAP | +++ | + | +++ |
LTA4 hydrolase | +++ | +++ | +++ |
LTC4 synthase | ++ | − | + |
CD1a | +++ | + | ++ |
Tryptase | − | + | ++ |
CD16 | − | − | +++ |
Keratin 10 | + | +++ | − |
For preparation of ECs and RNA, and RT-PCR, see Materials and Methods. +++, Detectable at 28 cycles; ++, detectable at 34 cycles; +, detectable at 40 cycles; −, not detectable at 40 cycles. Markers: CD1a, LCs; tryptase, mast cells; CD16, natural killer cells, neutrophils, and macrophages; keratin 10, keratinocytes.