Overview
Mouse adipokines are biologically active proteins secreted primarily by white adipose tissue, functioning as endocrine and paracrine signaling molecules. They include leptin, adiponectin, resistin, and visfatin, each regulating metabolic processes like glucose homeostasis, lipid metabolism, and inflammation. These proteins are indispensable tools in preclinical research, particularly for studying obesity-related diseases and metabolic disorders. As murine models closely mimic human metabolic pathways, mouse adipokines are widely used to investigate the molecular mechanisms underlying conditions such as type 2 diabetes and atherosclerosis. Researchers often isolate them from adipose tissue or purchase recombinant forms for controlled experiments.
Physical and Chemical Properties
Mouse adipokines are typically globular proteins with molecular weights ranging from 10 to 30 kDa. They exhibit stability in neutral pH buffers but may degrade under extreme temperatures or repeated freeze-thaw cycles. For instance, leptin maintains activity at 4°C for short-term storage but requires -80°C for long-term preservation. Most adipokines are soluble in phosphate-buffered saline (PBS) or cell culture media. Their structural integrity is critical for receptor binding, necessitating proper handling to prevent aggregation or denaturation. Purity is commonly assessed via SDS-PAGE (>90% for most research applications).
Main Applications
In biomedical research, mouse adipokines are used to elucidate the pathophysiology of metabolic diseases. Leptin, for example, is administered to study its anorexigenic effects in obese murine models, while adiponectin is analyzed for its insulin-sensitizing properties. These proteins also serve as biomarkers in drug development for metabolic syndrome. Beyond metabolism, adipokines like resistin are investigated for their pro-inflammatory roles in autoimmune diseases. Pharmaceutical companies screen compounds targeting adipokine pathways to develop therapeutics for obesity and related comorbidities.
Safety and Storage
Recombinant mouse adipokines should be handled with sterile techniques to prevent endotoxin contamination, which may skew experimental results. Wear PPE when reconstituting lyophilized proteins to avoid inhalation or skin contact. Always centrifuge vials before opening to consolidate the powder. For storage, aliquot reconstituted adipokines to minimize freeze-thaw cycles. Use protein-stabilizing buffers (e.g., containing 0.1% BSA) for long-term stability. Discard any solutions exhibiting turbidity or precipitation.
B2B Procurement Guide
When sourcing mouse adipokines, prioritize suppliers providing certificates of analysis (CoA) with details on purity (HPLC/SDS-PAGE), endotoxin levels (<1 EU/μg), and bioactivity (e.g., EC50 in cell-based assays). Compare batch-to-batch consistency, especially for long-term studies. Consider recombinant vs. native forms: Recombinant proteins offer higher purity and scalability, while native adipokines may retain post-translational modifications. Bulk purchases often attract discounts, but verify storage capacity. Leading suppliers include R&D Systems, Abcam, and Sino Biological.
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