Determination of Syk phosphorylation by immunobloting

BA Besma Aouar
DK Denisa Kovarova
SL Sebastien Letard
AF Albert Font-Haro
JF Jonathan Florentin
JW Jan Weber
DD David Durantel
LC Laurence Chaperot
JP Joel Plumas
KT Katerina Trejbalova
JH Jiri Hejnar
JN Jacques A. Nunès
DO Daniel Olive
PD Patrice Dubreuil
IH Ivan Hirsch
RS Ruzena Stranska
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Phosphorylation of Syk in the 25 μg cytoplasmic fraction in NP1 lysis buffer (Cell Signaling Technology) was analyzed by Western blotting using monoclonal phospho-Syk (Tyr525/526) (C87C1), or polyclonal phospho-Zap-70 (Tyr319)/Syk (Tyr352) Ab and Syk Ab, all from Cell Signaling Technology. In some experiments, the whole cell lysate was immunoprecipitated with phospho-Tyr mouse mAb (P-Tyr-100, Cell Signaling Technology) according to the manufacturer´s instructions and the immunoprecipitate was analyzed by Western blotting using Syk Ab.

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