SRP6284
Irisin human
recombinant, expressed in E. coli, ≥95% (SDS-PAGE)
Synonym(s):
FNDC5 (cleaved), Fibronectin Type III Domain-containing Protein 5, Fibronectin Type III Repeat-containing Protein 2 (cleaved)
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About This Item
UNSPSC Code:
12352202
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biological source
human
recombinant
expressed in E. coli
assay
≥95% (SDS-PAGE)
form
lyophilized powder
mol wt
~13 kDa
packaging
pkg of 10 μg
UniProt accession no.
shipped in
wet ice
storage temp.
−20°C
Gene Information
human ... FNDC5(252995)
General description
Irisin is a recently described exercise-induced hormone secreted by skeletal muscle in mice and humans. Irisin is cleaved from the type I membrane protein FNDC5 (fibronectin type III domain containing 5). FNDC5 is mainly expressed in the muscles. Low levels of the mRNA are also present in the kidney, liver and lung. The gene FNDC5 is mapped to human chromosome 1p35.1.
Biochem/physiol Actions
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) and improves systemic metabolism by increasing energy expenditure. It is mainly responsible for the conversion of white fat into brown fat. This conversion enhances metabolic uncoupling and caloric expenditure. Irisin is always associated with beneficial responses of exercise on cellular metabolism. In obese and type 2 diabetic patients, low levels of circulating irisin are characteristic of the adipose tissue and muscle.
Physical form
Lyophilized from PBS.
Reconstitution
Reconstitute to 0.1 mg/mL with 100μL sterile water.
Storage Class
13 - Non Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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Graziana Colaianni et al.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 36(2), 305-314 (2020-10-15)
Irisin is a myokine produced by skeletal muscle during exercise in both mice and humans. We previously showed that irisin treatment ameliorates immobility-induced osteoporosis and muscular atrophy in mice. Data in humans showed a positive association between irisin and bone
Rujun Zeng et al.
Bioscience trends, 12(6), 580-586 (2019-01-25)
Irisin is a myokine secreted from the cleavage of fibronectin type III domain-containing protein 5 (FNDC5) and has an effect on bone formation. There are limited studies about the structure of irisin and its functional unit. In order to clarify
Endre Kristóf et al.
Experimental cell research, 377(1-2), 47-55 (2019-02-23)
Brown and beige adipocytes contribute significantly to the regulation of whole body energy expenditure and systemic metabolic homeostasis not exclusively by thermogenesis through mitochondrial uncoupling. Several studies have provided evidence in rodents that brown and beige adipocytes produce a set
Is irisin a human exercise gene?
Timmons JA
Nature, 488, E9-10 (2012)
Elke Albrecht et al.
Molecular metabolism, 34, 124-135 (2020-03-18)
Considerable uncertainty remains regarding the veracity of measuring myokine irisin more than seven years after its original description. Unresolved issues include the nature of transcription of the irisin precursor fibronectin type III domain containing 5 (FNDC5) gene across species, the
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