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IHC analysis of formalin-fixed, paraffin-embedded human placenta stained using ALPP/4109 at 2ug/ml in PBS for 30min RT. Inset: PBS used instead of the primary antibody as the negative control.
SDS-PAGE Analysis of Purified PLAP Mouse Monoclonal Antibody (ALPP/4109). Confirmation of Integrity and Purity of Antibody.
Reacts with a 70kDa membrane-bound isozyme (Regan and Nagao type) of Placental Alkaline Phosphatase (PLAP) occurring in the placenta during the 3rd trimester of gestation. It is highly specific for PLAP and shows no cross-reaction with other isozymes of alkaline phosphatase. Anti-PLAP reacts with germ cell tumors and can discriminate between these and other neoplasms. Somatic neoplasms e.g. breast, gastrointestinal, prostatic, and urinary cancers may also immunoreact with antibodies to PLAP. Anti-PLAP positivity in conjunction with anti-keratin negativity favors seminoma over carcinoma. Germ cell tumors are usually anti-keratin positive, but they regularly fail to stain with anti-EMA, whereas most carcinomas stain with anti-EMA. Anti-PLAP has been useful in the diagnosis of gestational trophoblastic disease.
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