Table 1

Leukocytes in Epidermal Cell Suspensions from TGF-β1 Null and Control Mice

ExperimentAgeGenotypeLC (%)*DETC (%)*Leukocytes (%)*
  8d  −/−  0.2  ND   2.5 
    +/+  5.5  ND   6.5 
 10d  −/−  0.2  2.7 (3.2)   3.6 
    +/+  5.4  3.8 (4.2)   8.5 
 18d  −/−   0  4.9   4.8 
    +/−  3.8  3.5   6.3 
    +/+  4.5  4.4  10.5 
 17d  −/−  0.1  ND   6.7 
    +/−  6.1  ND  13.0 
    +/+  6.5  ND  11.9 
 14d  −/−  0.1  ND   6.7 
    +/−  5.4  ND  10.6 
    +/+  8.9  ND  13.7 
 17d  −/−   0  7.6   7.6 
    +/+  5.2  6.6  12.4 
 14d  −/−   0  ND   6.9 
    +/+  3.0  ND   6.5 
           
Summary**           
    −/−  0.1 ± 0.1  (n = 7)  5.1 ± 2.0  (n = 3)   5.5 ± 1.8  (n = 7) 
    +/−  5.1 ± 1.0  (n = 3)  3.5  (n = 1)  10.0 ± 2.8  (n = 3) 
    +/+  5.6 ± 1.7  (n = 7)  4.9 ± 1.2  (n = 3)  10.0 ± 2.7  (n = 7) 
ExperimentAgeGenotypeLC (%)*DETC (%)*Leukocytes (%)*
  8d  −/−  0.2  ND   2.5 
    +/+  5.5  ND   6.5 
 10d  −/−  0.2  2.7 (3.2)   3.6 
    +/+  5.4  3.8 (4.2)   8.5 
 18d  −/−   0  4.9   4.8 
    +/−  3.8  3.5   6.3 
    +/+  4.5  4.4  10.5 
 17d  −/−  0.1  ND   6.7 
    +/−  6.1  ND  13.0 
    +/+  6.5  ND  11.9 
 14d  −/−  0.1  ND   6.7 
    +/−  5.4  ND  10.6 
    +/+  8.9  ND  13.7 
 17d  −/−   0  7.6   7.6 
    +/+  5.2  6.6  12.4 
 14d  −/−   0  ND   6.9 
    +/+  3.0  ND   6.5 
           
Summary**           
    −/−  0.1 ± 0.1  (n = 7)  5.1 ± 2.0  (n = 3)   5.5 ± 1.8  (n = 7) 
    +/−  5.1 ± 1.0  (n = 3)  3.5  (n = 1)  10.0 ± 2.8  (n = 3) 
    +/+  5.6 ± 1.7  (n = 7)  4.9 ± 1.2  (n = 3)  10.0 ± 2.7  (n = 7) 

Epidermal cell suspensions were prepared from TGF-β1 −/− mice and littermate controls and stained for CD45 and I-A antigens (LC), CD45 and TCRγδ (DETC), and CD45 and isotype control (Leukocytes), and analyzed using multicolor flow cytometry. In some experiments, DETC were also identified as CD45+Thy-1.2+ cells (% in parentheses). Nonviable cells were excluded by live gating. Data are presented as percentages of events accumulated and represent individual determinations (*) or the mean ± SEM (**) of individual determinations.  

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