Slu-Pp-332 Research Vial
High-purity SLU-PP-332 research vials provide analytical laboratories with a validated tool for studying synthetic estrogen-related receptor (ERR) activation, mitochondrial biogenesis, and cellular bioenergetics. PX1 Research supplies synthesis-verified SLU-PP-332 strictly for in vitro assays and preclinical animal models, supported by comprehensive lot-specific documentation.
Quick answer
High-purity SLU-PP-332 research vials provide analytical laboratories with a validated tool for studying synthetic estrogen-related receptor (ERR) activation, mitochondrial biogenesis, and cellular bioenergetics. PX1 Research supplies synthesis-verified SLU-PP-332 strictly for in vitro assays and preclinical animal models, supported by comprehensive lot-specific documentation.
Key takeaways
- A SLU-PP-332 research vial contains a lyophilized synthetic agonist targeting estrogen-related receptors (ERRα, ERRβ, ERRγ), designed exclusively for in vitro and animal laboratory assays.
- Estrogen-related receptors (ERRs)—specifically ERRα, ERRβ, and ERRγ—are orphan nuclear receptors that play a central role in regulating transcriptional networks associated with cellular energy production.
- Preclinical investigations utilizing rodent models have highlighted the broad physiological impact of ERR activation via SLU-PP-332.
- To guarantee reproducible experimental outcomes, every batch of SLU-PP-332 produced for PX1 Research undergoes stringent analytical testing in an ISO 17025 accredited laboratory.
SLU-PP-332 Definition and Primary Research Applications
A SLU-PP-332 research vial contains a lyophilized synthetic agonist targeting estrogen-related receptors (ERRα, ERRβ, ERRγ), designed exclusively for in vitro and animal laboratory assays. Preclinical literature demonstrates its utility in evaluating mitochondrial biogenesis, oxidative muscle fiber transformation, and cellular energy expenditure without active physical stimulus.
Originally synthesized to elucidate the pathways governing cellular metabolism, SLU-PP-332 has emerged as a cornerstone compound in bioenergetic and metabolic research. Laboratory investigators frequently utilize a high-purity SLU-PP-332 research vial to explore nuclear receptor signaling networks that drive mitochondrial density, fatty acid oxidation, and metabolic homeostasis.
Unlike non-specific metabolic modulators, SLU-PP-332 operates as a selective pan-agonist across the ERR isoform family. Preclinical models indicate that activation of these receptors upregulates downstream transcriptomic programs essential for oxidative phosphorylation. Consequently, research vials containing this compound are routinely deployed in molecular biology assays, treadmill endurance studies in rodents, and cell culture experiments assessing cellular respiration kinetics.
Molecular Mechanism of Action: Estrogen-Related Receptor Agonism
Estrogen-related receptors (ERRs)—specifically ERRα, ERRβ, and ERRγ—are orphan nuclear receptors that play a central role in regulating transcriptional networks associated with cellular energy production. Although structural homologs to classical estrogen receptors, ERRs do not bind endogenous estrogen; instead, they require specific synthetic or endogenous ligands to modulate transcriptional activity. In vitro data indicate that SLU-PP-332 functions as a potent agonist, binding directly to the ligand-binding domain (LBD) of ERR α, β, and γ.
Upon ligand binding, SLU-PP-332 induces a conformational shift that recruits transcriptional coactivators, most notably peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) and PGC-1β. This coactivator interaction triggers the transcription of nuclear-encoded mitochondrial genes, including cytochrome c, ATP synthase subunits, and carnitine palmitoyltransferase 1B (CPT1B). By promoting this transcriptional cascade, researchers can quantify changes in mitochondrial gene expression without introducing confounding hormonal signaling.
Detailed receptor binding assays demonstrate that SLU-PP-332 exhibits high selectivity for ERRs over classical nuclear receptors like PPARs or estrogen receptors α/β. This selectivity enables precise experimental isolation of ERR-driven metabolic pathways in cultured myocytes, hepatocytes, and adipocytes.
Preclinical Literature and Bioenergetic Study Findings
Preclinical investigations utilizing rodent models have highlighted the broad physiological impact of ERR activation via SLU-PP-332. In murine models of metabolic stress, administration of SLU-PP-332 led to an observed increase in type I (slow-twitch) oxidative muscle fiber recruitment. Laboratory measurements recorded elevated basal oxygen consumption rates (OCR) and increased mitochondrial mass within skeletal muscle tissue, demonstrating a phenotypic shift toward enhanced endurance capability.
Further animal studies evaluating high-fat diet (HFD) induced metabolic dysfunction demonstrated that SLU-PP-332 treatment reduced hepatic lipid accumulation, improved glucose tolerance parameters, and attenuated systemic fat mass accumulation. Researchers noted these adaptations occurred alongside upregulations in mitochondrial electron transport chain (ETC) complex proteins, verified via Western blotting and quantitative reverse transcription PCR (RT-qPCR).
In vitro assays using primary human and rodent cell lines consistently show that exposure to SLU-PP-332 increases basal and maximal respiration rates during Seahorse XF extracellular flux analysis. These empirical findings underscore the value of maintaining consistent purity standards across every research compound catalog utilized in bioenergetic investigation.
Analytical Purity Standards: HPLC, Mass Spectrometry, and Endotoxin Control
To guarantee reproducible experimental outcomes, every batch of SLU-PP-332 produced for PX1 Research undergoes stringent analytical testing in an ISO 17025 accredited laboratory. Purity is validated via Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC), ensuring a baseline chemical purity exceeding 98.0%. HPLC chromatograms are generated using gradient elution protocols to detect and quantify potential synthetic organic impurities or residual reagents.
Molecular identity is unequivocally verified using Electrospray Ionization Mass Spectrometry (ESI-MS). The resultant mass spectra confirm the observed molecular monoisotopic mass against the theoretical chemical structure of SLU-PP-332 (C25H22FNO3S), preventing lot-to-lot structural variations or mass discrepancies that could compromise experimental integrity.
Because cellular assays and animal studies are exceptionally sensitive to bacterial contaminants, PX1 Research implements strict Limulus Amebocyte Lysate (LAL) testing to monitor endotoxin content. Every research vial is certified to contain < 0.01 EU/mg of endotoxin, mitigating the risk of non-specific inflammatory signaling or toll-like receptor 4 (TLR4) activation during in vitro cell treatment or in vivo preclinical trials.
Reconstitution, Handling, and Solvent Dynamics
SLU-PP-332 is supplied as a lyophilized (freeze-dried) powder to maximize chemical stability during storage and transport. Owing to its lipophilic chemical structure, SLU-PP-332 exhibits limited solubility in pure aqueous buffers like standard phosphate-buffered saline (PBS). For optimal reconstitution in laboratory settings, researchers typically utilize organic solvents such as dimethyl sulfoxide (DMSO) or ethanol as a primary stock solvent.
When preparing stock solutions for in vitro cell culture work, SLU-PP-332 should first be dissolved in high-purity, anhydrous DMSO to achieve a target concentration (e.g., 10 mM to 50 mM). Once fully solubilized, stock solutions can be diluted into culture media or aqueous buffer systems, ensuring that the final DMSO concentration does not exceed acceptable cell toxicity thresholds (typically < 0.1% v/v in culture).
For preclinical rodent studies, specialized vehicles incorporating cosolvents—such as polyethylene glycol (PEG400), Tween-80, and saline solutions—are commonly described in the literature to ensure clear, homogeneous administration vectors. Lyophilized vials should be brought to room temperature in a desiccator prior to opening to avoid condensation and hydrolytic degradation.
Storage Kinetics and Product Stability Protocols
Maintaining chemical stability is critical for obtaining valid, reproducible data across extended longitudinal studies. Lyophilized SLU-PP-332 research vials should be stored at -20°C or -80°C in a desiccated environment protected from direct light exposure. Under these conditions, the dry compound demonstrates stable chemical integrity for up to 24 months from the date of synthesis.
Reconstituted liquid stock solutions stored in DMSO should be aliquoted into small, single-use polypropylene or PTFE vials to avoid repeated freeze-thaw cycles. Freeze-thaw cycling can induce compound precipitation, localized hydrolysis, or concentration shifts due to solvent evaporation.
Liquid stock aliquots stored at -80°C are stable for several months, while short-term working solutions kept at 4°C should ideally be consumed within 7 to 14 days. Researchers are advised to perform routine identity or concentration checks when working with aged solutions to maintain precise experimental dosing.
Comparative Analysis: SLU-PP-332 vs. Other Metabolic Research Compounds
When designing metabolic and exercise-mimetic experiments, researchers often compare SLU-PP-332 against other target-specific small molecules and peptides. Understanding the distinct mechanisms of these compounds allows investigators to select the precise pharmacological tool required for their specific pathway analysis.
While SLU-PP-332 functions specifically as a pan-ERR agonist, alternative metabolic modulators operate through distinct receptor pathways. For example, SR9009 targets the nuclear REV-ERB α/β receptors to regulate circadian rhythms and mitochondrial turnover. In contrast, GW501516 acts as a selective peroxisome proliferators-activated receptor delta (PPARδ) agonist, shifting energy substrate utilization toward fatty acids. Additionally, AICAR directly activates AMP-activated protein kinase (AMPK), simulating cellular energy depletion.
Comparing these pathways highlights that while PPARδ agonists and AMPK activators modulate metabolic fluxes indirectly or through peripheral energy-sensing cascades, ERR agonists like SLU-PP-332 directly target the master transcriptional regulators of mitochondrial biogenesis. Researchers can acquire these compounds for head-to-head comparative studies through our wholesale research portal.
Experimental Methodologies: Assays and Diagnostic Readouts
Incorporating SLU-PP-332 into an experimental design requires choosing appropriate functional and analytical readouts. In skeletal muscle myotube cultures (such as C2C12 cells), investigators frequently quantify changes in mitochondrial mass using fluorescent dyes like MitoTracker Green, coupled with flow cytometry or confocal microscopy.
Gene expression profiling via RT-qPCR remains the gold standard for verifying ERR activation. Primary target genes evaluated following SLU-PP-332 exposure include Esrra, Ppargc1a, Cpt1b, Pdk4, and Slc2a4 (GLUT4). Downstream translation of these targets can be confirmed via Western blot analysis targeting mitochondrial oxidative phosphorylation complexes (CI through CV).
For functional bioenergetic assessment, Seahorse XFe96 flux analyzers measure real-time Oxygen Consumption Rate (OCR) and Extracellular Acidification Rate (ECAR). These assays allow researchers to calculate spare respiratory capacity, proton leak, and ATP-linked respiration following acute or chronic treatment with SLU-PP-332.
Sourcing Laboratory-Grade SLU-PP-332 from PX1 Research
Selecting a reliable supplier is essential for ensuring experimental repeatability and eliminating false positives derived from impure materials. PX1 Research synthesizes and packages every SLU-PP-332 research vial within state-of-the-art USA facilities operating under cGMP-compliant protocols.
Every production lot is assigned a unique batch number, directly linked to a downloadable Certificate of Analysis (COA). PX1 Research guarantees complete transparency by publishing complete RP-HPLC profiles, ESI-MS spectrographic data, and endotoxin assay results for every order.
Orders placed before 3:00 PM EST ship same-day (Monday through Friday) from our domestic distribution facilities in California and Arizona. Securely vacuum-sealed packaging protects the lyophilized compound from thermal and physical stress during transit, ensuring optimal compound stability upon arrival at your research facility.
Frequently Asked Questions
What is the targeted mechanism of SLU-PP-332 in laboratory assays?
SLU-PP-332 acts as a synthetic pan-agonist for estrogen-related receptors (ERRα, ERRβ, and ERRγ). It promotes the transcription of genes involved in mitochondrial biogenesis, oxidative phosphorylation, and cellular fatty acid oxidation without interacting with classical estrogen receptors.
How is the purity of PX1 Research SLU-PP-332 vials verified?
Every lot is tested by an independent ISO 17025 accredited laboratory using Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) for purity (>98%) and Electrospray Ionization Mass Spectrometry (ESI-MS) for structural confirmation. Endotoxin levels are verified via LAL assay (<0.01 EU/mg).
What solvents are recommended for reconstituting SLU-PP-332?
Due to its lipophilic nature, SLU-PP-332 should be reconstituted using organic solvents such as dimethyl sulfoxide (DMSO) or ethanol. Once dissolved, stock solutions can be diluted into aqueous cell culture media or assay buffers while maintaining low final solvent concentrations.
How should lyophilized SLU-PP-332 research vials be stored?
Lyophilized vials should be stored at -20°C or -80°C in a dry, dark environment. Reconstituted stock solutions in DMSO should be aliquoted into single-use vials and stored at -80°C to minimize degradation from repeated freeze-thaw cycles.
How does SLU-PP-332 differ from PPARδ agonists like GW501516?
While both target bioenergetics, SLU-PP-332 selectively activates the orphan nuclear receptor family ERRs (α, β, γ) to drive mitochondrial gene transcription directly. GW501516 specifically targets the PPARδ receptor to alter lipid oxidation and substrate utilization.
Can SLU-PP-332 be used for human administration or clinical use?
No. SLU-PP-332 supplied by PX1 Research is strictly designated for laboratory research use only (RUO), including in vitro cellular assays and preclinical animal models. It is not approved for human, veterinary, or clinical applications.
Where are PX1 Research SLU-PP-332 vials manufactured and shipped from?
All PX1 Research compounds are manufactured in USA cGMP-compliant facilities and shipped directly from our primary distribution hubs in California and Arizona, offering same-day dispatch for weekday orders placed before 3:00 PM EST.
What documentation accompanies a SLU-PP-332 order?
Each shipment includes a lot-specific Certificate of Analysis (COA) detailing RP-HPLC purity percentage, mass spectrometry identity confirmation, and bacterial endotoxin testing data.
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All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.