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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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Placental alkaline phosphatase (ALPP), commonly known as PLAP, is a glycosylphosphatidylinositol-anchored membrane glycoprotein belonging to the alkaline phosphatase enzyme family. PLAP is most strongly associated with placental trophoblasts and germ cell tumor biology, where it functions in extracellular phosphomonoester hydrolysis and epithelial differentiation-associated signaling pathways. PLAP Antibody is widely utilized in studies involving germ cell tumors, trophoblastic differentiation, reproductive tissue pathology, and placental epithelial biology.
PLAP antibody, also referred to as Placental alkaline phosphatase antibody and ALPP antibody in the literature, recognizes a tissue-restricted alkaline phosphatase isozyme encoded on chromosome 2q37.1. The protein localizes primarily to the plasma membrane and apical cellular surfaces of trophoblast-associated epithelial populations. Because physiologic expression is relatively restricted compared with other alkaline phosphatase family members, PLAP has become a well-established marker in pathology-focused investigations examining seminoma, germ cell differentiation, and trophoblastic lineage-associated tumors.
This PLAP Antibody is uniquely positioned for studies involving germ cell tumor-associated differentiation pathways and epithelial lineage characterization. Placental alkaline phosphatase expression has historically been linked to seminoma and related germ cell neoplasms, where membranous and cytoplasmic staining patterns may support identification of tumor-associated epithelial populations. In addition to germ cell tumor biology, PLAP expression is also associated with placental syncytiotrophoblasts and trophoblastic differentiation programs, making the protein useful in reproductive tissue and developmental biology investigations.
PLAP participates in extracellular phosphate metabolism and membrane-associated phosphatase activity, although its greatest research utility has emerged from its role as a differentiation-associated biomarker rather than its enzymatic function alone. The restricted normal tissue distribution of placental alkaline phosphatase contributes to its utility in distinguishing trophoblast-associated and germ cell-associated cellular populations from surrounding non-reactive tissues. This selective expression profile has supported widespread use of PLAP in studies examining tumor lineage identity, epithelial differentiation state, and reproductive tissue-associated malignancies.
Expression of placental alkaline phosphatase has additionally been reported in subsets of epithelial-derived malignancies and oncofetal cellular populations. In tissue sections, PLAP staining frequently appears membranous with variable cytoplasmic enhancement depending on fixation conditions, tissue type, and tumor differentiation status. The protein is commonly associated with seminoma biology, germ cell tumor differentiation, trophoblastic lineage specification, and placental epithelial membrane organization.
PLAP Antibody supports research involving germ cell tumors, seminoma-associated markers, trophoblast differentiation pathways, placental epithelial biology, reproductive tissue pathology, and alkaline phosphatase family signaling mechanisms. The antibody may be incorporated into studies examining epithelial differentiation, tumor lineage characterization, developmental biology, and placental-associated cellular regulation in both normal and diseased tissues.
For a clone-defined placental marker antibody with extensive placenta-positive and normal tissue-negative immunohistochemistry validation data, see our ALPP Antibody / Placental Marker Antibody page featuring clone rALP/870.
Optimal dilution of the PLAP Antibody / Germ Cell Tumor Marker Antibody should be determined by the researcher.
Amino acids 403-433 (KARDRKAYTVLLYGNGPGYVLKDGARPDVTE-human) were used as the immunogen for the PLAP antibody rabbit polyclonal.
After reconstitution, the PLAP antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
ALPP antibody, Placental alkaline phosphatase antibody, PLAP antibody, Seminoma marker antibody, Trophoblast marker antibody
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