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Tyrphostins suppress the growth of psoriatic keratinocytes
H Ben-Bassat1, D V Vardi, A Gazit
1Laboratory of Experimental Surgery, Hadassah University Hospital, Jerusalem, Israel.
Experimental Dermatology
|April 1, 1995
Abstract:
Tyrosine kinase inhibitors of the tyrphostin family which block EGF receptor kinase are reported to arrest the growth of psoriatic keratinocytes in vitro. Three tyrphostins with the potency ratio AG555 >> AG18 >> AG814 were found to arrest growth with no adverse cytotoxic effects. The potency ratio to inhibit keratinocyte proliferation follows their potency to inhibit EGF receptor kinase activity in vitro. These compounds represent novel leads for the therapy of psoriasis.