Human cellular src gene product: identification of the myristoylated pp60c-src and blockage of its myristoyl acylation with N-fatty acyl compounds resulted in the suppression of colony formation.

Abstract:

:A p60K protein in human colon adenocarcinoma tumor cell lines was identified as a myristoylated pp60c-src by fluorography and radioimmunoprecipitation analysis. Prevention of the myristoylation of pp60c-src was determined with N-fatty acyl glycinal compounds. Of the compounds tested, N-myristoyl glycinal diethylacetal, N-lauroyl glycinal diethylacetal, N-myristoyl glycyl glycinal diethylacetal, and N-myristoyl-4-aminobutyl-aldehyde diethylacetal strongly blocked the myristoylation, but N-decanoyl glycinal diethylacetal and N-palmitoyl glycinal diethylacetal did not. The myristoyl blocking compounds depressed colony formation, cell proliferation, and specific localization to the plasma membrane of pp60c-src. The results taken together suggest that myristoylation of the c-src oncogene product may be very important for tumorigenicity of c-src gene expressed cells.

authors

Shoji S,Kurosawa T,Inoue H,Funakoshi T,Kubota Y

doi

10.1016/s0006-291x(05)80870-8

subject

Has Abstract

pub_date

1990-12-31 00:00:00

pages

894-901

issue

3

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(05)80870-8

journal_volume

173

pub_type

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