TIRZ Research Peptide — RUO Dual GIP / GLP-1 Receptor Agonist

TIRZ Research Peptide (LY3298176) is a high-purity, synthetic linear ligand engineered explicitly for non-clinical analytical verification and in-vitro research workflows. Operating as a dual-agonist compound, this 39-amino acid chain is stabilized to support precise evaluation in metabolic signaling cascades and complex cellular energy homeostasis models.

Available Mass Formats

To accommodate varying laboratory throughput levels and multi-phase assay timelines, this reference ligand is gravimetrically measured and sealed into specific mass variations. We maintain consistent stock availability for the following formulations:

• Low-Volume Assay Formats: Available in 5 mg, 10 mg, and 15 mg vials. These configurations are optimized for single-use screening models, kinetic calculations, and preliminary baseline testing.
• High-Throughput Mass Formats: Available in 20 mg, 30 mg, 60 mg, and 100 mg high-yield vials. Engineered specifically for laboratories requiring extensive stock solution uniformity across longitudinal metabolic studies to eliminate inter-batch variance.

Technical Reference & Specifications

Primary In-Vitro Research Mechanisms

Dual GIP / GLP-1 GPCR Co-Agonism Kinetics

This synthetic peptide sequence features dual receptor occupancy capabilities, binding simultaneously to both the glucose-dependent insulinotropic polypeptide receptor (GIPR) and the glucagon-like peptide-1 receptor (GLP-1R). Researchers utilize this reference standard within cell cultures to analyze intracellular cyclic adenosine monophosphate (cAMP) flux and map downstream synergistic signaling dynamics compared to isolated mono-pathway vectors.

Cellular Energy Homeostasis & Adipocyte Pathways

Within metabolic research frameworks, the ligand is introduced to isolated adipocyte (fat cell) cultures. Scientists monitor these non-clinical models to analyze biochemical modifications in lipid substrate utilization, lipolytic enzyme activation, and downstream fatty acid oxidation cascades, providing foundational data on lipid storage mechanics at a microscopic level.

Skeletal Muscle Tissue Adaptation Models

Current non-clinical investigations utilize this compound to explore skeletal tissue signaling and muscle cell recovery dynamics. Introduced to isolated myocyte matrices under simulated oxidative or environmental stress, the compound allows researchers to track protein synthesis pathways and cellular repair responses, generating benchmarks for cellular training readiness indices.

Standard Reconstitution & Handling Protocol

Volumetric Calculation Best Practices

Because this product is a raw chemical reference standard, it does not conform to universal clinical dosing schedules. Instead, laboratory personnel must calculate custom volumetric distribution metrics based on the target micromolar (µM) or nanomolar (nM) concentration dictated by the specific assay architecture.

Reconstitution Steps for Data Integrity

Reconstitution must be executed in a sterile laboratory environment. Allow the vacuum-sealed vial to naturally reach room temperature inside a laminar flow hood before removal of the seal to prevent condensation. Slowly introduce sterile bacteriostatic water (0.9% benzyl alcohol) or an authorized laboratory buffer solution down the inner glass wall of the vial. Swirl gently using a smooth, circular motion until the lyophilized cake dissolves completely. Do not violently shake or mechanically agitate the liquid, as high shear stress can break delicate peptide bonds.

Post-Reconstitution Storage Limits

Once transitioned into a liquid state, the compound's vulnerability to thermal degradation increases. Stock solutions should be aliquoted into single-use micro-vials to avoid repeated freeze-thaw cycles. Liquid solutions can be stored under refrigeration (2°C to 8°C) for up to 14 days, or frozen at -20°C for extended longitudinal research windows.

Frequently Asked Analytical Questions

What is the primary function of TIRZ in isolated tissue models?

In isolated cellular assays, this ligand functions as a highly selective reference standard designed to activate specific cell-surface G-protein coupled receptors. Researchers utilize it to stimulate signaling pathways, allowing for the mapping of cellular responses without systemic biological feedback.

How does dual receptor agonism alter adipocyte metabolic pathways?

When introduced to isolated adipocyte cultures, the compound binds to GIP and GLP-1 receptors. This interaction triggers cascades that modulate lipid substrate utilization and lipolysis rates. Researchers use this non-clinical model to track how metabolic pathway modulation influences energy storage at the cellular level.

Why are volumetric molarity calculations preferred over universal dosage suggestions?

Because this is a laboratory-grade research chemical, it does not have a clinical dosage schedule. Instead, institutional researchers use volumetric molarity calculations to determine precise micromolar (µM) or nanomolar (nM) concentrations required for their unique assay architecture.

What structural degradation risks are associated with improper storage?

Peptide chains are susceptible to deamidation and spontaneous hydrolysis if exposed to thermal stress or improper pH levels. Maintaining a constant -20°C desiccated environment is critical to preventing chain invalidation and ensuring the purity of the reference standard remains at the verified ≥99% threshold.

How can procurement teams verify batch transparency?

At Peptides Skin, batch transparency is guaranteed via lot-specific documentation. Every production batch has an independent, downloadable Certificate of Analysis (COA) in PDF format, aggregating raw RP-HPLC purity charts and mass spectrometry identity graphs for institutional verification.