Larazotide 10mg

Disclaimer: All Iron Mountain Labz products are only intended for laboratory research use and are not approved for use outside of controlled research settings. All referenced research was conducted under IRB/IACUC/AWA-compliant protocols. This compound is not approved for human or veterinary use.

Overview of Larazotide 10mg

Larazotide 10mg (also designated AT-1001) is a synthetic octapeptide derived from the active receptor-binding domain of zonula occludens toxin (ZOT), a protein produced by Vibrio cholerae that engages the intestinal tight junction regulatory apparatus.

The sequence Gly-Gly-Val-Leu-Val-Gln-Pro-Gly (GGVLVQPG) was identified as the minimal functional fragment of ZOT capable of binding the endogenous zonulin receptor. Unlike ZOT itself, which acts as a tight junction disassembly agonist, Larazotide functions as a competitive antagonist at this receptor interface — occupying the binding site without initiating downstream permeability signaling cascades.

Larazotide is studied in preclinical research settings for its interaction with epithelial tight junction scaffolding proteins, including ZO-1, occludin, and claudin family members. Investigational research has explored its role in paracellular permeability regulation, mucosal immune activation, and inflammatory cytokine signaling modulation in controlled laboratory environments.

Section	Details
CAS Number	881851-50-9 (acetate salt)
Sequence	Gly-Gly-Val-Leu-Val-Gln-Pro-Gly (GGVLVQPG)
Synonyms	AT-1001, Larazotide Acetate
Ingredients / Composition	Larazotide compound as key component with a purity of 99%+
Shelf Life	2 years
Storage Instructions	Store as lyophilized powder at –18°C or below, protected from light and moisture
Disclaimer	Larazotide 10mg is not approved for use outside of controlled laboratory research settings. It is legal for research purposes only.

 

Why Buy Larazotide 10mg from Iron Mountain Labz?

Researchers prefer Iron Mountain Labz for buying Larazotide 10mg due to the following reasons:

At Iron Mountain Labz, Larazotide 10mg is tested with HPLC and confirmed at ≥99%+ purity. The assay result of this product meets research-grade standards for investigational use. A Certificate of Analysis (COA) is also provided for verification.

Frequently Asked Questions

What is the structural origin of Larazotide?

Larazotide is a synthetic octapeptide (GGVLVQPG) derived from the receptor-binding domain of zonula occludens toxin (ZOT). While ZOT engages the zonulin receptor as an agonist to initiate tight junction disassembly, Larazotide has been characterized in preclinical models as a competitive antagonist — occupying the same receptor interface without triggering the permeability signaling cascade. 

How does Larazotide interact with tight junction protein complexes?

Preclinical data indicate that Larazotide engages the zonulin receptor on intestinal epithelial cell surfaces, competitively attenuating the binding of endogenous zonulin and related ZOT-class ligands. Research models suggest this interaction preserves the structural integrity of tight junction scaffolding proteins — including ZO-1, ZO-2, occludin, and claudin subunits — under conditions of inflammatory or permeability-inducing stimulus. Downstream effects observed in investigational settings include modulation of paracellular antigen flux, attenuation of mucosal immune activation, and reduced NF-κB-associated inflammatory transcription activity secondary to barrier stabilization.

What are the observed effects of Larazotide in experimental settings? 

Preclinical research associates Larazotide exposure in research models with preservation of transepithelial electrical resistance (TEER) in intestinal epithelial monolayer systems, attenuation of pro-inflammatory cytokine profiles including IL-6, TNF-α, and IFN-γ signaling activity, and reduction in paracellular tracer permeability under barrier-disrupting conditions. 

What are the noted adverse variables of Larazotide in research settings? 

Comprehensive long-term data on Larazotide remains limited, and further systematic investigation is required to fully characterize its adverse variable profile in preclinical models. Observations from investigational settings note potential concentration-dependent variability in tight junction protein expression dynamics under prolonged exposure protocols, possible modulation of zonulin receptor sensitivity with repeated compound administration, and off-target paracellular signaling interactions at elevated investigational concentrations. Researchers are advised to establish appropriate concentration ranges and exposure windows within their specific experimental frameworks.

Where to buy Larazotide 10mg online?

Larazotide 10mg is available for purchase at the Iron Mountain Labz online store. Each product is held to strict purity standards and comes with a Certificate of Analysis (COA) for complete research verification.