ZO-3 (Tjp3) Antibody - FFPE Validated

Biological Background

To connect mechanism with measurement, this antibody lets you assess ZO-3 (Tjp3) in pathway-driven studies. ZO-3 is a structural regulator of intercellular boundaries and tissue architecture. Many projects interpret this target alongside interacting partners, upstream cues, and downstream readouts.

In some datasets and protocols, it is referenced by the gene symbol Tjp3.

Use in the Laboratory

In cultured models, junctional readouts can change rapidly after calcium modulation or cytoskeletal perturbation. Considering complex membership and compartment shifts can clarify whether changes reflect signaling or redistribution.

Many targets show context-dependent localization, so comparisons across matched conditions can reveal meaningful patterns.

To keep datasets interpretable, labs often document:

• changes in complex assembly with scaffold or adaptor proteins
• subcellular redistribution at contact sites versus cytoplasm
• co-localization patterns with cytoskeletal elements

Version Notes

Because fixation can mask epitopes, fixed-section oriented formats aim to maintain recognition after standard deparaffinization and retrieval steps. If your study compares multiple conditions, keep acquisition and processing settings stable to avoid confounding.

If your study spans multiple model systems, it can help to define a shared reference condition for ZO-3 so cross-sample contrasts stay meaningful.

For challenging targets, pairing ZO-3 measurements with a second marker can clarify whether differences arise from regulation, redistribution, or shifts in cell composition within the sample.

Use the fixed-section version to relate ZO-3 (Tjp3) behavior to upstream cues and downstream consequences.