Immunomodulation of AβPP processing alleviates amyloid-β-related pathology in Alzheimer's disease transgenic mice.

This is a nice concept illustrating the use of antibodies as drugs - in this case for the BACE1 APP cleavage site; Antibodies are able to traverse the blood brain barrier and enter cells,  suggesting  a number of immunopharmacological uses.Cross reactivity is an obvious problem that needs to be tested - as for drug specificity.