| Field | Specification |
|---|---|
| Target | |
| Alternative names | Transthyretin;ATTR;Prealbumin;TBPA;TTR;PALB; |
| UniProt # | |
| Host | |
| Clonality | |
| Isotype | |
| Reactivity | |
| Applications | |
| Immunogen | E.coli-derived human Prealbumin recombinant protein (Position: G21-E147). Human Prealbumin shares 81% and 83.3% amino acid (aa) sequence identity with mouse and rat Prealbumin, respectively. |
| Molecular weight | |
| Purification | |
| Reconstitution | |
| Cellular localization | |
| Concentration | |
| Form | Lyophilized |
| Storage | |
| Catalog no. (Mfr.) | |
| Main SKU |
Product Overview
This rabbit polyclonal antibody recognizes transthyretin (gene TTR) in human samples and is validated for ELISA, IHC and Western blot. The predicted molecular weight is 15.9 kDa, and the supplier reports an observed band at about 14 kDa.
Transthyretin (TTR) is a tetrameric transport protein made mainly by the liver and the choroid plexus. It carries thyroxine in blood and cerebrospinal fluid and transports retinol by binding retinol-binding protein. Destabilized TTR can misfold into amyloid fibrils, causing transthyretin amyloidosis.
| Target | Transthyretin (gene TTR; UniProt P02766, human) |
|---|---|
| Host / Clonality / Isotype | Rabbit / Polyclonal / Rabbit IgG |
| Reactivity | Human |
| Form | Lyophilized |
| Formulation | Per vial: 0.9 mg NaCl; 0.2 mg Na2HPO4; 0.05 mg NaN3; plus stabilizers |
| Calculated MW | 15.9 kDa |
| Observed MW | 14 kDa |
| Storage | As supplied: −20 °C for up to 12 months from receipt. After reconstitution: 4 °C for up to 1 month, or aliquot and keep at −20 °C for up to 6 months. Avoid repeated freeze–thaw cycles. |
Validated Applications
| Western blot | 0.1–0.5 µg/mL (Human) |
|---|---|
| IHC (paraffin sections) | 0.5–1 µg/mL (Human) |
| ELISA (capture antibody) | 1–5 µg/mL (Human) |
Samples with a confirmed band (WB): human placenta tissue, human hccp tissue.
Recommended loading (WB): 20–40 µg of total protein per lane.
Conditions in the example images (WB): 5–20% gradient SDS-PAGE under reducing conditions, 30 µg lysate per lane, transfer to nitrocellulose membrane, blocking in 5% non-fat milk, primary antibody at 0.5 µg/mL overnight at 4 °C, HRP-conjugated secondary antibody at 1:5000, ECL detection.
Samples with confirmed staining (IHC): human lung cancer tissue.
Recommended antigen retrieval: heat-mediated, in TE buffer (pH 9.0); citrate buffer (pH 6.0) can be used instead.
Conditions in the example images (IHC): heat-mediated antigen retrieval in EDTA buffer (pH 8.0).
Immunogen
Recombinant human Prealbumin fragment (Gly21–Glu147), expressed in E. coli. Sequence identity with the mouse and rat orthologs: 81% and 83.3%, respectively.
Reactivity Notes
The supplier lists reactivity with human. UniProt describes transthyretin as secreted and also located in the cytoplasm. Tissue expression noted by UniProt (human): Detected in serum and cerebrospinal fluid (at protein level). The samples tested by the supplier (listed above) are a practical starting point for positive controls.
Safety
Customization & Add-ons: Can’t find the antibody you need—or require a custom format for your assay? We can help you source the best match or support custom antibody solutions for diverse research needs, including species and isotype selection, conjugations and labeling (e.g., HRP/AP, biotin, fluorophores), purification grade options (Protein A/G, affinity purified), formulation preferences (buffer selection, carrier-free, glycerol-free), custom concentrations and aliquoting, low-endotoxin options for cell-based work, and application-focused QC/validation support (project dependent). Click Talk to a Scientist to submit a request, email us at support@biohippo.com, or explore our Research Services for additional support—our team will follow up with feasibility details and next steps.
Jester Rachel et al. (2018) Expression of renal cell markers and detection of 3p loss links endolymphatic sac tumor to renal cell carcinoma and warrants careful evaluation to avoid diagnostic pitfalls. Acta Neuropathologica Communications. 10.1186/s40478-018-0607-0
