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Biomarker: Angiopoietin-like 4

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Analyte:

Angiopoietin-like 4

Platform:

Matrix:

Human Serum

Status:

Experienced Running

Sensitivity-LLOQ/ULOQ:

LLOQ: 475 pg/mL

Biological or Clinical Significance:

Angiopoietin-like 4 (Angptl4) is a secreted protein modulating triacylglycerol homeostasis. Its transcription is induced by glucocorticoids, which act to elevate circulating Angptl4 levels during fasting. In investigating the role of Angptl4 in glucocorticoid action, investigators identified that in addition to its known ability to inhibit lipoprotein lipase, Angptl4 stimulates intracellular adipocyte lipolysis. Fatty acid release by murine adipocytes following fasting or treatment with glucocorticoids or catecholamines is highly Angptl4-dependent. Angptl4 can directly stimulate cAMP-dependent PKA signaling and lipolysis when added to adipocytes.

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