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PAPP-A
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PAPP-A
Pregnancy Associated Plasma Protein A (PAPP-A) is a placental glycoprotein widely used as a key biomarker in first-trimester prenatal screening and risk assessment of chromosomal abnormalities. YBL's PAPP-A is isolated from human placenta and supplied in lyophilized form with high purity and validated biological activity. The product undergoes stringent viral marker testing, bioburden assessment, and quality control procedures, making it suitable for immunoassays, calibrators, controls, diagnostic assay development, and IVD manufacturing applications.
Host Species
Mouse
Target Species
Human
Purity
>95%
Format
Liquid
Source
Human Placenta
Application
Suitable for immunoassays, calibrators, controls, prenatal screening assays, maternal health biomarker research, diagnostic assay development, and PAPP-A test kit manufacturing.
Purity Analysis
SDS-PAGE (Non-Reducing): ≥85% – Major band at ~400 kDa; SDS-PAGE (Reducing): ≥85% – Major band at ~200 kDa
Immunological Activity
Roche Cobas (ECLIA): 216.38 mIU/vial
Donor Status
Healthy/Diseased
