| Field | Specification |
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| Host | |
| Immunogen | A synthetic peptide corresponding to a sequence at the C-terminus of mouse PCTP was used as the immunogen for the PCTP antibody. |
| Isotype | |
| Product Type | |
| Purity | |
| Reactivity | |
| Storage | |
| Target | |
| UniProt # |
Overview
PCTP Antibody / Phosphatidylcholine transfer protein is a anti-PCTP Rabbit antibody Polyclonal (rabbit origin) supplied in Lyophilized format. Recommended for workflows such as Western blot (WB) with listed reactivity in Mouse, Rat.
Key elements and design rationale
- Target: PCTP
- Antibody details: Rabbit, Polyclonal (rabbit origin), isotype Rabbit IgG
- Format: Lyophilized
- Applications (as listed): WB
Biological background
Structurally, PCTP is a small soluble protein containing a single START domain that forms a hydrophobic cavity for phosphatidylcholine binding. This structure allows PCTP to shuttle phospholipids between intracellular membranes, supporting membrane biogenesis and lipid signaling. It belongs to the phospholipid transfer protein family, which includes STARD2 and STARD10, and interacts with nuclear receptors such as PPAR and LXR that regulate lipid metabolism. Co-localization studies show PCTP distributed in the cytosol and associated with mitochondria and the endoplasmic reticulum.
Functionally, PCTP regulates phospholipid exchange and metabolic signaling. By transferring phosphatidylcholine between membranes, it maintains lipid composition and supports vesicular transport. PCTP also modulates the activity of thioesterase superfamily member THEM2, linking phospholipid transfer to fatty acid oxidation. In macrophages, it influences cholesterol efflux and inflammatory responses, while in hepatocytes, it contributes to VLDL assembly and secretion. PCTP participates in lipid signaling pathways that regulate glucose metabolism, energy storage, and membrane trafficking.
Altered expression of PCTP has been associated with metabolic and cardiovascular diseases. Overexpression promotes lipid accumulation and insulin resistance, while deficiency enhances fatty acid oxidation and improves glucose tolerance. Pathway involvement includes phospholipid transport, lipid metabolism, and mitochondrial energy regulation. Expression of PCTP increases during metabolic stress and fasting, reflecting its role in adaptive lipid handling.
The PCTP antibody from
Research relevance and current trends
- Connecting protein-level changes to phenotype using orthogonal readouts (genetic perturbation, transcriptomics, imaging).
- Considering isoforms and post-translational regulation when interpreting protein-level changes.
- Comparing results across species and model systems with matched controls.
Common research applications
- Western blotting: compare relative abundance and activation-state changes across conditions.
Interpret changes in signal alongside appropriate controls and, when relevant, in parallel with total-protein or pathway readouts.
Notes for experimental interpretation
- Signal can reflect expression level, isoform composition, and post-translational state; interpret results in the context of your model system and stimuli.
- Species differences and sample matrices can influence epitope recognition; prioritize matched controls and orthogonal confirmation when feasible.
Antibody notes: Polyclonal antibodies recognize multiple epitopes, which can broaden the epitope footprint and may increase sensitivity in some contexts.
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.
