Recombinant Mouse Insulin-like growth factor I (Igf1)

Code CSB-YP011086MO
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Source Yeast
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Code CSB-EP011086MO
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Source E.coli
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Code CSB-EP011086MO-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP011086MO
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Source Baculovirus
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Code CSB-MP011086MO
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Source Mammalian cell
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Product Details

>85% (SDS-PAGE)
Target Names
Uniprot No.
Alternative Names
Igf1; Igf-1Insulin-like growth factor I; IGF-I; Somatomedin
Mus musculus (Mouse)
Expression Region
Target Protein Sequence
Protein Length
Full Length of Mature Protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
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Target Background

The insulin-like growth factors, isolated from plasma, are structurally and functionally related to insulin but have a much higher growth-promoting activity. May be a physiological regulator of [1-14C]-2-deoxy-D-glucose (2DG) transport and glycogen synthesis in osteoblasts. Stimulates glucose transport in bone-derived osteoblastic (PyMS) cells and is effective at much lower concentrations than insulin, not only regarding glycogen and DNA synthesis but also with regard to enhancing glucose uptake. May play a role in synapse maturation. Ca(2+)-dependent exocytosis of IGF1 is required for sensory perception of smell in the olfactory bulb. Acts as a ligand for IGF1R. Binds to the alpha subunit of IGF1R, leading to the activation of the intrinsic tyrosine kinase activity which autophosphorylates tyrosine residues in the beta subunit thus initiatiating a cascade of down-stream signaling events leading to activation of the PI3K-AKT/PKB and the Ras-MAPK pathways. Binds to integrins ITGAV:ITGB3 and ITGA6:ITGB4. Its binding to integrins and subsequent ternary complex formation with integrins and IGFR1 are essential for IGF1 signaling. Induces the phosphorylation and activation of IGFR1, MAPK3/ERK1, MAPK1/ERK2 and AKT1.
Gene References into Functions
  1. IGF-1 upregulated c-kit expression in c-kit-positive C-kit-positive cardiac stem cells (CSCs) resulting in enhanced CSC proliferation and migration by activating the PI3K/AKT/DNMT signaling pathway to epigenetically silence miR-193a, which negatively modifies the c-kit expression level. PMID: 29467020
  2. glucagon and/or IGF-1 production are additional key factors in food-induced entrainment. PMID: 29396301
  3. Combined treatment with electrical stimulation and insulin-like growth factor-1 promotes bone regeneration in vitro. PMID: 29746517
  4. Enteric neural stem cells expressing IGF1 has been proposed as a novel cellular therapy for Hirschsprung's Disease tested in a mouse model. PMID: 29792527
  5. Deficiency in the liver-derived IGF-I does not affect wound healing in mice, neither in normoglycemic conditions nor in diabetes. PMID: 29534073
  6. diabetic gastroparesis was an aggressive process due to the successive damages of myenteric cholinergic neurones and ICC by impairing the insulin/InsR and IGF-1/IGF-1R signaling. Insulin therapy in the early stage may delay diabetic gastroparesis PMID: 28931726
  7. these results indicate that IGF-I induces senescence of hepatic stellate cells, inactivates these cells and limits fibrosis in a p53-dependent manner and that IGF-I may be applied to treat nonalcoholic steatohepatitis and cirrhosis. PMID: 27721459
  8. IGF-1 is involved in hepatic mitochondrial protection, because it is able to reduce free radical production, oxidative damage and apoptosis. All these IGF-1 actions are mediated by the modulation of the expression of genes encoding citoprotective and antiapoptotic proteins. PMID: 28648804
  9. Inhibition of mammalian target of rapamycin (mTOR) activation using rapamycin restored Mb mRNA expression to control levels. Lipid supplementation had no effect on Mb gene expression. Thus, IGF-1-induced anabolic signaling can be a strategy to improve muscle size under mild hypoxia, but lowers Mb gene expression PMID: 28862673
  10. Macrophage subtypes enhanced the osteogenesis in transwell setting and the transition from M1 to M2 was associated with an increase in bone anabolic factors CCL2/MCP-1, CCL5/RANTES and IGF-1 in vitro. PMID: 28782174
  11. These data indicate that KSR2 functions in a cell non-autonomous fashion to regulate GH-stimulated IGF-1 expression in the liver of neonatal mice, which plays a key role in the development of body length. PMID: 27561547
  12. The data demonstrate that miR-206 sensitizes nasopharyngeal carcinoma cells to irradiation by targeting IGF1, highlighting the therapeutic potential of miR-206 in nasopharyngeal carcinoma radiosensitization. PMID: 28865599
  13. These results indicated that the proproliferative effects of IGF1 are mediated in response to the PI3K/protein kinase B signaling pathway. PMID: 28627605
  14. These results suggest that Dexras1 is a critical mediator of the IGF-1 signal to activate MAPK, linking glucocorticoid signaling to IGF-1 signaling in adipogenesis. PMID: 27345868
  15. In inflamed experimental autoimmune encephalomyelitis (EAE) spinal cord, study found a significant increased number of IGF-I expressing neurons versus a reduced number of IGFBP-1 positive neurons. Moreover, while nearly all IGF-I neurons expressed GSK3beta, some expressed it more intensely. PMID: 28617951
  16. MGF overexpression increases the number of neural progenitor cells and promotes neurogenesis. PMID: 28683812
  17. RIP3 and phosphorylated MLKL expressions were relatively decreased in the IGF-1 receptor monoclonal antibody group compared to the non-treated group. IGF-1 may be associated with RIP3-mediated necroptosis in vitro, while blocking of the IGF-1 pathway may reduce LPS-induced lung injuries in vivo. PMID: 29545181
  18. The down-regulation of IGF-I signaling, as observed in old mice, leads to increasing the activity of FoxO factors that may be important for the neuroprotective effects seen with dietary restriction. PMID: 27718093
  19. Data suggest that gut resident bacteria-derived short-chain fatty acids mediate microbiota induced changes in host IGF-1 levels and contribute to the effects of colonization on bone turnover. PMID: 27821775
  20. High IGF1 expression is sensitive to initial injury intensity induced by freeze damage. PMID: 27647425
  21. IGF-1 signaling in involved in the epithelial-mesenchymal transformation of B16-F10 cells and in the control of the stem cell phenotype. PMID: 27764776
  22. Findings provided morphological evidence that T-type Cav3.2 channel, at least partially, mediates the pain facilitation of insulin-like growth factor-1/insulin-like growth factor-1 receptor signaling in chronic inflammatory pain condition. PMID: 27213932
  23. Conditional deletion of IGF-1 in osteocytes enhanced bony union of the fracture gap in a tibial fracture model. PMID: 27519969
  24. IGF-I stimulated IRS-1 phosphorylation and recruitment of PKCzeta and vimentin to phospho-IRS-1. PMID: 26773517
  25. local IGF-I plays critical roles during postnatal/adult hippocampal neurogenesis. PMID: 27144663
  26. miR-199a-3p appears to be involved in the estrogen regulatory networks that mediate bone cell autophagy, potentially by targeting IGF-1 and mTOR. PMID: 28708244
  27. IGF-1 deficiency during a critical period during early in life results in persistent changes in post-transcriptional miRNA-mediated control of genes critical targets for vascular health, which likely contribute to the deleterious late-life cardiovascular effects known to occur with developmental IGF-1 deficiency. PMID: 27566308
  28. this study provides new evidence in a mouse model of IGF-1 deficiency that autophagy is an adaptive response that might confer protection against persistent inflammation in the retina during ageing. PMID: 27483352
  29. IGF1 deficiency exacerbates hypertension-induced cerebral microhemorrhages in mice, mimicking the aging phenotype. PMID: 28295976
  30. the dipeptide Pro-Asp promoted IGF-1 secretion and expression in hepatocytes. PMID: 27473671
  31. miR-18a suppresses the expression of Igf1 in a 3'UTR-dependent manner PMID: 28782600
  32. down-regulation of IGF-1 expression and signaling is involved in FD-induced cell cycle arrest and apoptosis in HT-22 hippocampal neuron cells PMID: 27592453
  33. Study demonstrates that GH/IGF-I, somatostatin/cortistatin and ghrelin systems expression is altered in mammary gland during fasting, suggesting a relevant role in coordinating its response to metabolic stress, wherein endogenous cortistatin might be essential for an appropriate response. PMID: 27291340
  34. Enhanced study of the role of IIS pathway and epigenetic mechanisms that regulate aging may facilitate progressive prevention and treatment of human age-related diseases. PMID: 28101820
  35. The specific aim of the present work was to study whether the partial IGF-1 deficiency influences heart and/or coronary circulation, comparing vasoactive factors before and after of ischemia-reperfusion (I/R). PMID: 28806738
  36. Data (including data from studies using heterozygous transgenic mice) suggest that gene expression in liver is altered in a model of inflammation of liver due to partial deficiency of Igf1; this leads to over-expression of Igf1 receptor, inflammation mediators, and acute-phase proteins, but under-expression of cytoskeletal proteins, extracellular matrix proteins, and tight junction proteins. PMID: 28124277
  37. Findings indicate that the energy-sensing LKB1-AMPK pathway regulates IGF1 secretion in mouse primary hepatocytes, which in turn regulates activation of the IGF1R-PKB pathway. PMID: 28500773
  38. These results demonstrate that a greater than additive effect is observed on the growth of skeletal muscle and in the reduction of body fat when myostatin is absent and IGF1 is in excess, and that myostatin and IGF1 regulate skeletal muscle size, myofibre type and gonadal fat through distinct mechanisms. PMID: 28533420
  39. These results indicate that IGF-1 plays a critical role in spermatogenesis from SSCs. PMID: 28552527
  40. Exercise negatively regulates IGF-1 pathway in skin epidermis. PMID: 27509024
  41. A role for IGF-1 in axon elongation that appears to be cell selective and participates in the complex cellular mechanisms that link underfeeding during the early postnatal period with programming of the growth trajectory. PMID: 28076448
  42. These findings demonstrate that the AMPK-TBC1D1 signaling nexus interacts with the PKB-mTOR pathway via IGF1 secretion, which consequently controls expression of lipogenic genes in the adipose tissue PMID: 27307439
  43. Increased diet-induced fatty streak formation in female Liver derived-IGF-I(-/-) mice was associated with increased serum cholesterol and signs of systemic inflammation, endothelial activation, lipid deposition, and macrophage infiltration in the vascular wall. PMID: 26627099
  44. findings represent the first demonstration to our knowledge of tissue IGF-1 regulation through proteolytic degradation and suggest that chymase inhibition may be a viable therapeutic approach to enhance late cardioprotection in postischemic heart disease PMID: 27274047
  45. Experimental NAFLD is associated with sarcopenia, decreased muscle strength, and reduced IGF-1 serum levels. IGF-1 reduction may be involved in pathogenesis of NAFLD-associated sarcopenia. PMID: 27572941
  46. vascular smooth muscle-derived IGF-1 plays a critical role in hypoxia-induced pulmonary hypertension. PMID: 27438786
  47. Overexpression of IGF-I in the osteoblast lineage does not contribute to an increase in repair of erosions or syndesmophyte formation in mouse models for destructive and remodeling arthritis. PMID: 27695067
  48. Under nonpathological conditions, IGF-1 regulates brain IGF-IR PMID: 27792405
  49. These findings highlight the sex-dependent and potentially detrimental effects of in utero smoke exposure on DNA methylation and Igf1 and Igf1r mRNA levels. PMID: 28130259
  50. Liver-derived IGF-I regulates cortical bone mass, cortical porosity, and mechanical strength under normal (nonloaded) conditions. However, despite an approximately 70% reduction in circulating IGF-I, the osteogenic response to mechanical loading was not attenuated in the LI-IGF-I(-/-) mice. PMID: 27221117

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Subcellular Location
Protein Families
Insulin family
Database Links

KEGG: mmu:16000

UniGene: Mm.268521

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