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FNDC4 (rec.) (untagged)
215
CHF
CHF 215.00
In stock
AG-40B-0124-C01010 µgCHF 215.00
AG-40B-0124-C05050 µgCHF 780.00
| Product Details | |
|---|---|
| Synonyms | Fibronectin Type III Domain-containing Protein 4; Fibronectin Type III Repeat-containing Protein 1 |
| Product Type | Protein |
| Properties | |
| Source/Host | E. coli |
| Sequence |
FNDC4 (extracellular domain, human (aa 45-167) / mouse (aa 41-163)) is untagged. FNDC4 extracellular domain has 100% identity between human, mouse, rat, dog and monkey. |
| Crossreactivity |
Dog Human Monkey Mouse Rat |
| MW | ~16kDa |
| Purity | ≥95% (SDS-PAGE) |
| Endotoxin Content | <0.01EU/μg purified protein (LAL test; Lonza). |
| Concentration |
After reconstitution: for 10µg size: 0.1mg/ml for 50µg size: 1 mg/ml |
| Reconstitution |
10µg size: Reconstitute with 100µl sterile water. 50µg size: Reconstitute with 50µl sterile water. |
| Formulation | Lyophilized. Contains PBS. |
| Other Product Data |
Uni-Prot link Q9H6D8: FNDC4 |
| Shipping and Handling | |
| Shipping | BLUE ICE |
| Short Term Storage | +4°C |
| Long Term Storage | -20°C |
| Handling Advice |
After reconstitution, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles. Centrifuge lyophilized vial before opening and reconstitution. PBS containing at least 0.1% BSA should be used for further dilutions. |
| Use/Stability |
Stable for at least 6 months after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C. |
| Documents | |
| MSDS |
 Download PDF |
| Product Specification Sheet | |
| Datasheet |
Download PDF |
Irisin is a recently described exercise-induced hormone secreted by skeletal muscle in mice and humans. Irisin activates beige fat cells (beige cells have a gene expression pattern distinct from either white or brown fat and are preferentially sensitive to the polypeptide hormone irisin). Irisin is cleaved from the type I membrane protein FNDC5 and improves systemic metabolism by increasing energy expenditure. FNDC4 is an ortholog of FNDC5 with 50% identity and 86% similarity compared to Irisin. FNDC4 as well as FNDC5 are extremely well conserved between species. The human FNDC4 gene is highly enriched in liver, brain tissue and adipocytes. FNDC4 is a factor with direct therapeutic potential in inflammatory bowel disease and possibly other inflammatory diseases.
Recently, a new role of FNDC4 as a hepatokine has been published. Liver primarily controls the circulating levels of FNDC4 showing tight correlation with insulin sensitivity. In addition, a new orphan adhesion G protein-coupled receptor 116 (GPR116) has been identified as a receptor of FNDC4 in white adipose tissue (WAT), thereby establishing an endocrine FNDC4-GPR116 axis in the control of systemic glucose homeostasis. Moreover, the FNDC4-GPR116 axis is impaired in diabetic patients and therapeutic injections of recombinant Fc-FNDC4 into pre-diabetic mice corrected pre-diabetic hyperglycemia.
Product References
- FNDC4, a novel adipokine that reduces lipogenesis and promotes fat browning in human visceral adipocytes: G. Fruehbeck, et al.; Metabolism 108, 154261 (2020)
- Orphan GPR116 mediates the insulin sensitizing effects of the hepatokine FNDC4 in adipose tissue: A. Georgiadi, et al.; Nature Commun. 12, 2999 (2021)
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