| Field | Specification |
|---|---|
| Mfr No | |
| Clonality | |
| Host | |
| Immunogen | E. coli-derived zebrafish Pou5f1 recombinant protein (amino acids M1-S472) was used as the immunogen for the Zebrafish Pou5f1 antibody. This antibody will detect both Pou5f1 and Pou5f3. |
| Isotype | |
| Product Type | |
| Purity | |
| Reactivity | |
| Storage | |
| Target | |
| UniProt # |
Overview
Zebrafish Pou5f1 Antibody / Pou5f3 is a anti-POU5F1 Rabbit antibody Polyclonal (rabbit origin) supplied in Antigen affinity purified format. Recommended for workflows such as Western blot (WB) with listed reactivity in Zebrafish.
Key elements and design rationale
- Target: POU5F1
- Antibody details: Rabbit, Polyclonal (rabbit origin), isotype Rabbit Ig
- Format: Antigen affinity purified
- Applications (as listed): WB
Biological background
In zebrafish, Pou5f1 is an ortholog of the human POU5F1 gene (also known as Oct4). The zebrafish and human versions of Pou5f1 share high sequence homology, particularly in their POU domain, which is the functional region responsible for DNA binding and transcriptional regulation. This conservation makes zebrafish a suitable model for studying stem cell pluripotency, embryogenesis, and developmental processes. Pou5f1 is expressed during early stages of embryonic development, where it plays a key role in maintaining stem cell populations and preventing premature differentiation.
Zebrafish Pou5f1 has isoforms, which may have distinct functions or expression patterns depending on the stage of development or tissue type. These isoforms enable fine-tuned regulation of transcription, particularly in early development, ensuring that the pluripotent state of embryonic cells is maintained while allowing differentiation when necessary. The diversity in isoforms is important for the regulation of gene networks and cellular behaviors during embryonic patterning and organogenesis.
In addition to its role as an essential transcription factor in early development, Pou5f1 is related to the Pou5f3 protein in zebrafish. While both proteins belong to the same POU family of transcription factors, they have distinct but overlapping roles in development. Pou5f3, like Pou5f1, is involved in early developmental stages and stem cell regulation. However, Pou5f3 has been shown to play a specific role in the development of the nervous system and neuronal differentiation, whereas Pou5f1 is more broadly involved in the regulation of pluripotency and self-renewal across multiple cell types. Both proteins share sequence similarity in their POU domain but diverge in their tissue-specific functions and regulatory roles during development.
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.
