DUSP23 could dephosphorylate p44ERK1 in vitro but its actual function in vivo was not identified yet.

• 结果显示DUSP18可能是体内SAPK/JNK重要调节因子，而DUSP23虽然在体外能对p44ERK1去磷酸化，但其体内功能还不明确。