Table I.

Protease Activities in Peritoneal Cells


Source of cells

Chymotrypsin-like activity
 mOD/(min × 106 cells)

Trypsin-like activity
 mOD/(min × 106 cells)

CPA activity
 mOD/(min × 106 cells)
mMCP-4+/+ mice 3.5 ± 2.9 2.0 ± 0.077 −14.3 ± 5.0 
 (n = 4) (n = 4) (n = 4) 
mMCP-4−/− mice n.d. 3.5 ± 2.0  −14.7 ± 4.67 
 (n = 4) (n = 4) (n = 4) 
mMCP-4+/− mice 2.2 ± 1.58 1.9 ± 0.51  −15.6 ± 3.07 

 
(n = 3)
 
(n = 4)
 
(n = 3)
 

Source of cells

Chymotrypsin-like activity
 mOD/(min × 106 cells)

Trypsin-like activity
 mOD/(min × 106 cells)

CPA activity
 mOD/(min × 106 cells)
mMCP-4+/+ mice 3.5 ± 2.9 2.0 ± 0.077 −14.3 ± 5.0 
 (n = 4) (n = 4) (n = 4) 
mMCP-4−/− mice n.d. 3.5 ± 2.0  −14.7 ± 4.67 
 (n = 4) (n = 4) (n = 4) 
mMCP-4+/− mice 2.2 ± 1.58 1.9 ± 0.51  −15.6 ± 3.07 

 
(n = 3)
 
(n = 4)
 
(n = 3)
 

Extracts were prepared from peritoneal cells and were assayed for trypsin-like, chymotrypsin-like, and CPA activities as described in Materials and Methods. Note that hydrolysis of the CPA substrate results in decreased absorbance. n.d., none detected.

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