Assertion: ngf's effect | /r/HasProperty | mediated by different neurotrophins
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text: To verify that the observed effects were mediated by the different neurotrophins, BALF eosinophils were incubated with either 50 ng/ml NGF, BDNF, NT-3, or NT-4 alone or in combination with either a monoclonal mouse IgG 1 (20 μg/ml) or a mouse NGF, BDNF, NT-3, or NT-4 mAb (each 20 μg/ml, IgG 1 ; R&D Systems).