FEBS Letters 1991-08-05

Induction of differentiation of human leukemia cells by inhibitors of myosin light chain kinase.

M Makishima, Y Honma, M Hozumi, K Sampi, M Hattori, K Motoyoshi

Index: FEBS Lett. 287 , 175, (1991)

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Abstract

Inhibitors of myosin light chain kinase, 1-(5-chloronaphthalene-1-sulfonyl)-1H-hexahydro-1,4-diazepine hydrochloride (ML-9) and 1-(5-iodonaphthalene-1-sulfonyl)-1H-hexahydro-1,4-diazepine hydrochloride (ML-7), induced Nitroblue tetrazolium reducing activity, lysozyme activity and morphological maturation of human monoblastic U937, THP-1 and promyelocytic HL-60 cells, but not of erythroblastic K562 cells. However, three analogs of ML-9, which are an inhibitor and an activator of protein kinase C, and a calmodulin antagonist, respectively, did not induce differentiation of the cells.

Related Compounds

  • ML-7 hydrochlorid...

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