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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Inhibition of growth and cysteine proteinase activity of Staphylococcus aureus V8 by phosphorylated cystatin alpha in skin cornified envelope.

The activity of a cysteine proteinase purified from Staphylococcus aureus V8 (SAV8) was inhibited by phosphorylated cystatin alpha (P-cystatin alpha) and by purified cornified envelope protein of newborn rat, a conjugated form of P-cystatin alpha. Immunohistochemical analysis demonstrated a marked decrease in P-cystatin alpha content in cornified envelope treated with sphingosine. The inhibition of papain activity by proteins from sphingosine-treated skin was much weaker than that exerted by proteins from the untreated skin. The suppression of SAV8 colony formation inoculated on the sphingosine-treated skin was examined. Colony formation on the sphingosine-treated skin was enhanced compared to that on normal skin. These findings suggest that P-cystatin alpha in the cornified envelope may have a bacteriostatic barrier function against bacterial infection, such as that with SAV8.[1]

References

  1. Inhibition of growth and cysteine proteinase activity of Staphylococcus aureus V8 by phosphorylated cystatin alpha in skin cornified envelope. Takahashi, M., Tezuka, T., Katunuma, N. FEBS Lett. (1994) [Pubmed]
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