After PMA induced in vitro, the expression of ERX2 changed indicating they involve in the proliferation of vestibular cells ,PKC and MAPK (mitogen activated protein kinase) may be important in proliferation/ differentiation of hair cells of inner ear.

• 要作用。 本试验结果表明，在PMA诱导下，PKC及丝裂原活化蛋白激酶（mitogen砒DVat印DrO屹mh刊凹C，川m上m 衣坯羽反王父化，别肥唱阻，促不仕别涎降支上皮生长及分化过程中，PKC及MAPK可能起着重要的作用。