Connexin-40 (Cx40 or Gja5) Antibody - Western Blot Validated

Biological Background

This antibody supports experimental designs that analyze Connexin-40 with interpretable controls and clear contrasts. Connexin-40 is a contact-site protein that shapes barrier properties and signaling at the cell surface. Plan positive and negative controls that match your model system, including perturbations expected to shift the target.

In some datasets and protocols, it is referenced by the gene symbol Cx40.

Use in the Laboratory

In cultured models, junctional readouts can change rapidly after calcium modulation or cytoskeletal perturbation. Time course design can be decisive when regulation is transient or compartment dependent.

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

To keep datasets interpretable, labs often document:

• comparative profiling across cell states or perturbations
• subcellular redistribution at contact sites versus cytoplasm
• co-localization patterns with cytoskeletal elements

Version Notes

This denaturing-format version is geared toward targets presented after reduction and denaturation, where epitope exposure can shift from native conformations. If your study compares multiple conditions, keep acquisition and processing settings stable to avoid confounding. Predefine decision rules for excluding outliers so analysis remains transparent.

For challenging targets, pairing Connexin-40 measurements with a second marker can clarify whether differences arise from regulation, redistribution, or shifts in cell composition within the sample.

For challenging targets, pairing Connexin-40 measurements with a second marker can clarify whether differences arise from regulation, redistribution, or shifts in cell composition within the sample.

Use the denaturing-format option to keep Connexin-40 analysis aligned with planned contrasts and endpoints.