Anti-TFF1 Antibody

Raised in rabbit, this unconjugated polyclonal reagent targets human Trefoil Factor 1 (TFF1), a small secreted peptide most abundantly expressed in gastric mucosa and frequently used as a tissue marker in breast and gastrointestinal studies. The antibody is supplied by Antibodies.com at 1 mg/ml in PBS with 0.1% sodium azide and 50% glycerol, shipped as a 100 µl vial that supports multiple immunoblotting and immunostaining runs.

Validated for Western blot and immunohistochemistry workflows, the reagent binds endogenous human TFF1 in fixed sections and lysate preparations. Researchers commonly deploy it to investigate trefoil family expression in gastric epithelium, esophageal pathology, and hormone-responsive breast tissue, including studies of estrogen receptor–positive tumors where TFF1 serves as a downstream transcriptional readout.

The polyclonal format provides recognition across multiple epitopes of the TFF1 sequence, an advantage when working with formalin-fixed paraffin-embedded sections or partially degraded lysate samples. Store the vial refrigerated; the glycerol-containing buffer protects against freeze-thaw damage for routine short-term use, while sodium azide prevents microbial contamination of the working solution. This Antibodies.com reagent is intended for research use only and pairs well with standard chromogenic or chemiluminescent detection systems on Western blot membranes and FFPE tissue sections.