Title : Platelet-activating factor induces collagenase expression in corneal epithelial cells.

Pub. Date : 1993 Sep 15

PMID : 8378347






3 Functional Relationships(s)
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1 We found that incubation with 100 nM methylcarbamoyl PAF, a nonhydrolyzable analog of PAF, produced rapid transient 2.8- and 3.5-fold increases in the expression of c-fos and c-jun, respectively, at 1 hr, followed by increased expression of the collagenase type I gene beginning at 3 hr and peaking at 14-fold by 8 hr. methylcarbamoyl paf transcription factor Jun Oryctolagus cuniculus
2 We found that incubation with 100 nM methylcarbamoyl PAF, a nonhydrolyzable analog of PAF, produced rapid transient 2.8- and 3.5-fold increases in the expression of c-fos and c-jun, respectively, at 1 hr, followed by increased expression of the collagenase type I gene beginning at 3 hr and peaking at 14-fold by 8 hr. Platelet Activating Factor transcription factor Jun Oryctolagus cuniculus
3 Addition of the protein-synthesis-inhibitor cycloheximide superinduced c-fos and c-jun, strongly potentiating the PAF effect, but inhibited the induction of collagenase type I expression, suggesting the existence of a transcriptional factor linking the two events. Cycloheximide transcription factor Jun Oryctolagus cuniculus