Active Fibronectin Type III Domain Containing Protein 5 (FNDC5)

FRCP2; Irisin; Fibronectin type III repeat-containing protein 2

ACTIVITY TEST

Fibronectin type III domain-containing protein 5, the precursor of irisin, is a protein that is encoded by the FNDC5 gene. FNDC5 is a 12 kDa glycosylated polypeptide hormone that regulate glycolipid metabolism, cardiovascular homeostasis metabolism, stem cell differentiation, and neuronal development. Myostatin (MSTN) has been identified as an interactor of FNDC5, thus a functional binding ELISA assay was conducted to detect the interaction of recombinant human FNDC5 and recombinant human MSTN. Briefly, FNDC5 was diluted serially in PBS with 0.01% BSA (pH 7.4). Duplicate samples of 100 μl were then transferred to MSTN-coated microtiter wells and incubated for 1h at 37℃. Wells were washed with PBST and incubated for 1h with anti-FNDC5 pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody for 1h at 37℃, wells were aspirated and washed 5 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37℃. Finally, add 50 µL stop solution to the wells and read at 450/630 nm immediately. The binding activity of recombinant human FNDC5 and recombinant human MSTN was shown in Figure 1, the EC50 for this effect is 0.03 ug/mL.

USAGE

Reconstitute in ddH2O to a concentration of 0.1-0.5 mg/mL. Do not vortex.

STORAGE

Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.

STABILITY

The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.

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Magazine Citations
Diabetes Research and Clinical Practice Serum irisin levels in new-onset type 2 diabetes PubMed: 23369227
Journal of diabetes and its complications Lower circulating irisin is associated with type 2 diabetes mellitus Pubmed: 23619195
Horm Metab Res. Inconsistency in circulating irisin levels: what is really happening Pubmed:24459033
Int J Obes (Lond). Leptin administration activates irisin-induced myogenesis via nitric oxide-dependent mechanisms, but reduces its effect on subcutaneous fat browning in mice Pubmed:25199621
Molecular and Cellular Endocrinology Fenofibrate (PPARalpha agonist) induces beige cell formation in subcutaneous white adipose tissue from diet-induced male obese mice Pubmed:25576856
journal of diabetes Lower irisin level in patients with type 2 diabetes mellitus: A case-control study and meta-analysis PubMed: 25494632
The Journal of Maternal-Fetal & Neonatal Medicine Maternal circulating levels of irisin in intrahepatic cholestasis of pregnancy PubMed: 26689349
Hormone and Metabolic Research Lower Circulating Irisin Level in Patients with Diabetes Mellitus: A Systematic Review and Meta-Analysis Pubmed:27300472
Nature Reviews Endocrinology Physiology and role of irisin in glucose homeostasis. pubmed:28211512
Journal of Molecular and Cellular Cardiology Irisin improves perivascular adipose tissue dysfunction via regulation of the heme oxygenase-1/adiponectin axis in diet-induced obese mice pubmed:27638193
Biochemical and Biophysical Research Communications Irisin stimulates cell proliferation and invasion by targeting the PI3K/AKT pathway in human hepatocellular carcinoma pubmed:28867187
PLoS One Differential actions of PPAR-α and PPAR-β/δ on beige adipocyte formation: A study in the subcutaneous white adipose tissue of obese male mice Pubmed:29351550
International Brazilian Journal of Urology The Diagnostic Value of FNDC5/Irisin in Renal Cell Cancer. Pubmed:29522296
Redox Biology Irisin alleviates liver ischemia-reperfusion injury by inhibiting excessive mitochondrial fission, promoting mitochondrial biogenesis and decreasing oxidative … Doi: 10.1016/j.redox.2018.10.019
Antioxidants & redox signaling Low serum irisin concentration is associated with poor outcomes in patients with acute pancreatitis and irisin administration protects against experimental acute … Pubmed: 31250660
Journal of Maternal-Fetal & Neonatal Medicine Maternal serum, placental, and umbilical venous blood irisin levels in intrahepatic cholestasis of pregnancy Pubmed: 31590596
Biomed Pharmacother Identification of irisin as a therapeutic agent that inhibits oxidative stress and fibrosis in a murine model of chronic pancreatitis Pubmed: 32199226
Irisin Improves Autophagy of Aged Hepatocytes via Increasing Telomerase Activity in Liver Injury Pubmed: 31976032
Serum Irisin Predicts Posthepatectomy Complications in Patients with Hepatocellular Carcinoma Pubmed: 31976024
DOMESTIC ANIMAL ENDOCRINOLOGY The myokine Irisin: localization and effects in swine late medium and large antral ovarian follicle Pubmed: 33120167
Journal of Biomaterials and Tissue Engineering The Combination of Aerobic and Resistance Exercise Induces Weight Loss via the PGC-1α/Irisin/UCP-1 Pathway
Evaluation of a recombinant bacillus calmette-guérin vaccine expressing P39-L7/L12 of Brucella melitensis: An immunization strategy against brucellosis in BALB/c …
Eur Rev Med Pharmacol Sci Salivary Irisin: potential inflammatory biomarker in recurrent apthous stomatitis patients 33755963
Metabolites Pattern of Adiponectin, Osteocalcin, Irisin, FGF-21, and MCP-1 According to the Body Size Phenotype: Could They Be Markers of Metabolic Health in Mexican-Mestizo … 34822430
Eat Weight Disord Time-restricted feeding prevents metabolic diseases through the regulation of galanin/GALR1 expression in the hypothalamus of mice 34370270
Ir J Med Sci Eight-week exercise program improved the quality of life of Alzheimer's patients through functional, cognitive, and biochemical parameters Pubmed:35604540
Biomed Pharmacother Irisin attenuates sepsis-induced cardiac dysfunction by attenuating inflammation-induced pyroptosis through a mitochondrial ubiquitin ligase-dependent … Pubmed:35653888
Journal of King Saud University - Science Interaction of nitric oxide synthase and mitochondrial ATP-sensitive potassium channels in protective impacts of combination therapy with irisin …
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