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Fig. 7. Gastrin stimulates JNK activation through a CrkII-independent mechanism. CHO cells expressing the CCKBR stably transfected with dominant negative mutant of CrkII (CRK-) or the empty vector (CHO-CCKB) were stimulated for the times indicated with 10 nM gastrin. A and B, whole cell lysates were immunoblotted with an anti-CrkII (A) or anti-phospho-Thr183 and -Tyr185 JNK antibody (B). C, after IP with an anti-JNK1 antibody, JNK activity using GST-c-Jun-(1–79) as an exogenous substrate was assayed as described in "Materials and Methods." Comparable amounts of proteins were detected in whole cell lysates or immunoprecipitates of all of the above-mentioned experiments (data not shown).





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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Cancer Research Clinical Cancer Research
Cancer Epidemiology Biomarkers & Prevention Molecular Cancer Therapeutics
Molecular Cancer Research Cell Growth & Differentiation