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Leptin elisa kit

Manufactured by Crystal Chem
Sourced in United States

The Leptin ELISA kit is a laboratory assay used to quantitatively measure the levels of the hormone leptin in biological samples. The kit utilizes the enzyme-linked immunosorbent assay (ELISA) technique to detect and quantify leptin concentrations.

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5 protocols using leptin elisa kit

1

Mouse Plasma Leptin Quantification

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Leptin ELISA kit was from Crystal Chem (Cat# 90030). Leptin concentration was measured using mouse plasma according to manufacturer’s instructions. Blood was collected in heparinized vials, and centrifuged for 60min at 3000rpm at 4°C. Plasma was collected and stored in −80 °C until further processing.
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2

Serum Leptin Quantification Protocol

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Serum leptin levels were determined using a leptin ELISA kit (Crystal Chem Inc., Chicago, IL, USA) according to the manufacturer’s instructions.
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3

Metabolic Biomarker Profiling in Mice

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Serum insulin, ghrelin, adiponectin, leptin and free fatty acid were measured with ultrasensitive mouse Insulin ELISA kits (Crystal Chem, #90080), Ghrelin (total) Elisa kit (#EZRGRT-91K, Millipore), Adiponectin ELISA kit (Crystal Chem, #80569), Leptin ELISA kit (Crystal Chem, #90030), free fatty acid quantification kit (MAK044-1KT, Sigma Aldrich) respectively, according to manufacturers’ instruction.
For p-AKT/Total AKT measurement, inguinal adipose tissue (iWAT) extracts were homogenized and lysed in RIPA buffer (ThermoFisher, #89901) containing protease and phosphatase inhibitors (Roche, cOmplete, EDTA-free Protease Inhibitor Cocktail, PhosSTOP). Total AKT and p-AKT levels in the cell lysates quantified using the p-AKT/Total AKT kit (PEL-AKT-S473-T-1, RayBiotech), as per manufacturer’s instructions.
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4

Mouse Plasma Leptin Quantification

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Leptin ELISA kit was from Crystal Chem (Cat# 90030). Leptin concentration was measured using mouse plasma according to manufacturer’s instructions. Blood was collected in heparinized vials, and centrifuged for 60min at 3000rpm at 4°C. Plasma was collected and stored in −80 °C until further processing.
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5

Blood Serum Analysis in Fasted Mice

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The mice were fasting 4 hours before collection of the whole blood. The serum was collected by centrifuge at 2,000 x g for 10 minutes at 4°C. The ELISA was preformed according to the manual. The leptin ELISA kit (catalog # 90030) was purchased in Crystal Chem, IGF‐1 ELISA kit (catalog # MG100) was R&D SYSTEM, the high‐molecular‐weight adiponectin ELISA kit (catalog # 47‐ADPMS‐E01) was ALPCO, and somatostatin ELISA kit (EK‐060–03) was phoenix pharmaceuticals.
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