SRP4121

Sigma-Aldrich

IGF-I from rat

recombinant, expressed in E. coli, ≥95% (SDS-PAGE), ≥95% (HPLC)

Synonym(s):
IGF-I, Somatomedin C, IGF1, IGFIA
MDL number:
NACRES:
NA.32
Pricing and availability is not currently available.

biological source

rat

recombinant

expressed in E. coli

assay

≥95% (HPLC)
≥95% (SDS-PAGE)

form

lyophilized

mol wt

~7.69 kDa

packaging

pkg of 20 μg

storage condition

avoid repeated freeze/thaw cycles

impurities

endotoxin, tested

NCBI accession no.

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

Gene Information

rat ... Igf1(24482)

General description

IGF-I (insulin-like growth factor-I) is a member of a family of polypeptide growth factors. Rat IGF-I is a 7.69kDa protein containing 70 amino acid residues.
IGF-I exists in two isoforms (IGF1A and IGF1B) in mouse due to alternative transcription.

Application

IGF-I from rat has also been used to test its effect on the expression of its receptor in rheumatoid arthritis model.
IGF-I (Insulin-like Growth Factor-I) from rat has been used to study the the effect of IGF-I, IL-27 (interleukin-27) and IL-35 on the blood flow in the inflamed joints of rats.

Biochem/physiol Actions

IGF-I interacts with interleukins IL-27 and IL-35 and may play a role in chronic joint inflammation.
IGF-I (Insulin-like growth factor-I) is a polypeptide growth factor that stimulates the proliferation of a wide range of cell types including muscle, bone and cartilage tissue. It mainly mediates growth and development. IGF-I is required for fetal growth and development. It is also involved in the growth and repair of heart tissues. IGF-I has been linked to neuroplasticity and hippocampal neurogenesis. It is important in the recovery from ischaemic injury.

Physical form

Lyophilized without additives.

Reconstitution

Reconstitute in water to a concentration of 0.1-1.0 mg/mL. This solution can then be diluted into other aqueous buffers.
Centrifuge the vial prior to opening. Avoid freeze-thaw cycles.

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
The effect of interleukins 27 and 35 and their role on mediating the action of insulin Like Growth Factor -1 on the inflammation and blood flow of chronically inflamed rat knee joint.
Houshmandi N
Cytokine, 81, 117-126 (2016)
Glucose metabolism and hepatic Igf1 DNA methylation are altered in the offspring of dams fed a low-salt diet during pregnancy.
Siqueira FR
Physiology & Behavior, 154, 68-75 (2016)
Stefano Schiaffino et al.
Skeletal muscle, 1(1), 4-4 (2011-07-30)
A highly conserved signaling pathway involving insulin-like growth factor 1 (IGF1), and a cascade of intracellular components that mediate its effects, plays a major role in the regulation of skeletal muscle growth. A central component in this cascade is the...
María Llorens-Martín et al.
The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry, 15(2), 134-148 (2009-03-25)
This review addresses the role of serum insulin-like growth factor 1 (IGF1) as one mechanism of adult neural plasticity, specifically, its regulation of hippocampal neurogenesis among other plasticity-related processes. It is suggested that IGF has been reused advantageously both for...
He He et al.
Inflammation, 38(6), 2178-2184 (2015-06-25)
Sepsis-induced myocardial injury (SIMI) is caused by various mechanisms. The aim of this study was to investigate the effects of salidroside (Sal) on SIMI and its mechanisms in rats. The sepsis model was established by intraperitoneal injection of lipopolysaccharide (LPS)...
Articles
Huntington's disease (HD) is an autosomal dominant, late-onset neurodegenerative disorder characterized by a selective neuronal cell death in the cortex and striatum leading to cognitive dysfunction, motor impairment and behavioral changes.
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