Human/Mouse BMP-8b Antibody Summary
Thr261-His399
Accession # NP_031585
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Applications
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Scientific Data

Detection of Mouse BMP‑8b by Western Blot. Western blot shows lysates of mouse brain tissue. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human/Mouse BMP-8b Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6305) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Pro-BMP-8b at approximately 45 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: BMP-8b
BMP-8b (Bone morphogenetic protein 8b; also OP-3) is a 16 kDa predicted mature and 45 kDa precurser member of the Gbb-60A class of the BMP family of molecules. In mouse, precursors to sperm and oocytes arise from the proximal epiblast around day E7.5 (days 18-20 in human). This lineage commitment is a response to BMP-4 signaling, which is promoted by the repressive action of BMP-8b on the anterior visceral endoderm, a source of BMP-4 antagonism. Mouse BMP-8b preproprecursor is 399 amino acids (aa) in length. It contains a 19 aa signal sequence, a 241 aa prosegment, and a 139 aa mature region. An interchain disulfide bond occurs at Cys363, generating a homodimer. Over aa 261-399, mouse BMP-8b shares 74% aa identity with mouse BMP-8a, and 69% and 93% aa identity with human and rat BMP-8b, respectively.
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The figures was used to stain with IF BMP8B in human and murine FFPE liver slides with IF. Details of the figures (Fig 1 and Extended Figure 1) and experimental conditions can be found in the published paper: https://www.nature.com/articles/s42255-020-0214-9 where it is shown that BMP8B is expressed in acute and chronic liver disease by hepatocytes (CK18+/Alb+) and Activated Stellate Cells (aSMA+) both in humans and mice.