NDLI: Effects of recombinant lysostaphin on cytotoxicity and interleukin-8 level in normal human epidermal keratinocytes cell line

Content Provider	Springer Nature Link
Author	Chan, Err Cheng Chang, C. Allen Wu, Tzong Zeng Lin, Yuh Ling
Copyright Year	1998
Abstract	The normal human epidermal keratinocyte (NHEK) was used to evaluate the cytotoxicity of recombinant lysostaphin. As determined with the Neutral Red (NR) cytotoxicity assay, the midpoint toxicity value (NR50) after 48 h exposure was 16 ± 0.4 g lysostaphin/l. Lysostaphin cytotoxicity effect is much less than the surface active agent, sodium laurate. However, the NR50 value after 48-h exposure was 1.9 ± 0.02 g/l for S. aureus lysate derived from the bacterial lytic action of lysostaphin. A linear increase in interleukin-8 (IL-8) level in NHEK cells from resting levels of 65 ± 3 pg/ml to peak of 760 ± 15 pg/ml during the first 9 hours was noted for the cells treated with 800 mg lysostaphin/l. S. aureus lysate has the same effect on the induction of IL-8 levels. The induced rises in IL-8 were lysostaphin and S. aureus lysate concentration dependence. © Rapid Science Ltd. 1998
Starting Page	1053
Ending Page	1056
Page Count	4
File Format	PDF
ISSN	01415492
Journal	Biotechnology Letters
Volume Number	20
Issue Number	11
e-ISSN	15736776
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1998-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biotechnology Organic Chemistry Biochemistry Microbiology Animal Anatomy / Morphology / Histology
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Applied Microbiology and Biotechnology Biotechnology

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