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FGF basic/bFGF protein, Bovine

2 Cited Publications
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Based on 2 publication(s) in Google Scholar

FGF-2 is a member of the fibroblast family involved in bone healing, cartilage repair, bone repair, and nerve regeneration. FGF-2 is also a mitotic promoter that accelerates cell proliferation. FGF-2 regulates immune processes by specifically targeting tyrosine kinase receptors and activating the FGF/FGFR signaling pathway. For example, FGF-2 is involved in the JAK-STAT signaling pathway to regulate cartilage metabolism and also activates ERK signaling to promote cartilage regeneration. FGF-2 combined with FGFR1/3 promoted degeneration and repair of articular cartilage, respectively. FGF-2 is also a known carcinogen in GBM, which contributes to glioma growth and vascularization.FGF basic/bFGF protein, Bovine, consists of 146 amino acids, produced by E.coli with tag free.

For research use only. We do not sell to patients.
  • Species: Bovine
  • Source: E. coli
  • Storage:
    Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
  • Experimental Validation Results for FGF basic/bFGF protein, Bovine
  • Experimental Validation Results for FGF basic/bFGF protein, Bovine
  • FGF basic/bFGF protein, Bovine Product Image
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  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • References
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Biological Activity

Description

FGF-2 is a member of the fibroblast family involved in bone healing, cartilage repair, bone repair, and nerve regeneration. FGF-2 is also a mitotic promoter that accelerates cell proliferation. FGF-2 regulates immune processes by specifically targeting tyrosine kinase receptors and activating the FGF/FGFR signaling pathway. For example, FGF-2 is involved in the JAK-STAT signaling pathway to regulate cartilage metabolism and also activates ERK signaling to promote cartilage regeneration. FGF-2 combined with FGFR1/3 promoted degeneration and repair of articular cartilage, respectively[1]. FGF-2 is also a known carcinogen in GBM, which contributes to glioma growth and vascularization[2].FGF basic/bFGF protein, Bovine, consists of 146 amino acids, produced by E.coli with tag free.

Background

FGF-2/bFGF is a member of the fibroblast family and has a high affinity for heparin. FGF-2 plays an important role in tendon to bone healing, cartilage repair, bone repair, and nerve regeneration. FGF-2 specifically binds to tyrosine kinase receptors and activates the FGF/FGFR signaling pathway. Subsequently, FGF-2 influences cell proliferation, differentiation and apoptosis, as well as immune regulation by transducing other classical pathways. For example, FGF-2 regulates the JAK-STAT signaling pathway to regulate cartilage metabolism. FGF-2 also acts as a mitotic promoter to accelerate cell proliferation. Therefore, (1) FGF-2 is an important growth factor in the healing process of ligament/tendon injury. In vitro experiments, low-dose FGF-2 can stimulate the proliferation and differentiation of bone marrow mesenchymal stem cells, and up-regulate the mRNA expression of type I/III collagen and fibronectin. However, high doses of FGF-2 did not stimulate extracellular matrix (ECM) protein proliferation and gene expression. (2) FGF-2 is also an endogenous and intrinsic growth factor in cartilage repair. FGF-2 binds to heparan sulfate proteoglycan and is stored in the ECM of articular cartilage. When cartilage is damaged or degenerated, ECM rapidly releases FGF-2 and activates ERK signaling pathways to promote cartilage regeneration. FGF-2 exhibits a biphasic effect in combination with its specific receptor. FGF-2 combined with FGFR3 promoted the repair of articular cartilage. FGF-2 combined with FGFR1 promoted the degeneration of articular cartilage[1]. FGF-2 is expressed in granulosa cells and colliculus cells, as well as hepatocellular cancer cells, but not in non-cancerous liver tissues. This reveals the role of FGF-2 in brain tumors, particularly glioblastoma. According to studies, FGF-2 is a known carcinogenic factor in GBM. FGF-2 increases the self-renewal of glioblastoma stem cells and contributes to the growth and vascularization of glioma[2]. FGF-2 protein is highly conserved in some species, and the similarity rate of human FGF-2 protein sequence to rat, mouse, and bovine was 97.4%, 95.45%, and 98.71%, respectively.

Verified Bioactivity

1.The ED50 is <1 ng/mL as measured by murine Balb/c 3T3 cells, corresponding to a specific activity of >1.0 × 106 units/mg.
2.Measured in a cell proliferation assay using NIH/3T3 cells. The ED50 for this effect is 0.4394 ng/mL, corresponding to a specific activity is 2.276×106 units/mg.

Results
  • Experimental Validation Results for FGF basic/bFGF protein, Bovine
    Measured in a cell proliferation assay using NIH/3T3 cells. The ED50 for this effect is 0.4394 ng/mL, corresponding to a specific activity is 2.276×106 units/mg.

Technical Parameters

  • Species Bovine
  • Source E. coli
  • Tag Tag Free
  • Accession

    P03969 (P10-S155)

  • Gene ID
    281161  [NCBI]
  • Molecular Construction
    • N-term
    • bFGF (P10-S155)
      Accession # P03969
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    rBobFGF; FGF-2; FGF2; FGF 2; HBGF-2

  • AA Sequence

    PALPEDGGSGAFPPGHFKDPKRLYCKNGGFFLRIHPDGRVDGVREKSDPHIKLQLQAEERGVVSIKGVCANRYLAMKEDGRLLASKCVTDECFFFERLESNNYNTYRSRKYSSWYVALKRTGQYKLGPKTGPGQKAILFLPMSAKS

  • Predicted Molecular Mass

    16.4 kDa

  • Molecular Weight

    Approximately 16 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

    • Experimental Validation Results for FGF basic/bFGF protein, Bovine
      ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized after extensive dialysis against PBS, pH 7.4.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

References

[1]. Zhang J, et al. FGF2: a key regulator augmenting tendon-to-bone healing and cartilage repair. Regen Med. 2020 Sep;15(9):2129-2142. [Content Brief]

[2]. Wang X, et al. Analysis of segregation distortion and association of the bovine FGF2 with fertilization rate and early embryonic survival. Anim Genet. 2009 Oct;40(5):722-8. [Content Brief]

[3]. Jimenez-Pascual A, et al. FGF2: a novel druggable target for glioblastoma? Expert Opin Ther Targets. 2020 Apr;24(4):311-318. [Content Brief]

Calculators

Reconstitution Calculator

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The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
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ng/mL
MOQ
Minimum order quantity
100 mg

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Measured by its ability to inhibit anti-CD3-induced proliferation of stimulated CTLL-2 mouse cytotoxic T cells. The ED50 this effect is 0.8023 μg/ml, corresponding to a specific activity is 1246.42 units/mg.

  • ≥ 95%, as determined by reducing SDS-PAGE.

  • Measured in a cell proliferation assay using NIH/3T3 cells. The ED50 for this effect is 0.4394 ng/mL, corresponding to a specific activity is 2.276×106 units/mg.

Assay Types
  • 1/16

    MedChemExpress Validation
     ≥ 95%, as determined by reducing SDS-PAGE.

  • 1/16

    MedChemExpress Validation
     Measured in a cell proliferation assay using NIH/3T3 cells. The ED50 for this effect is 0.4394 ng/mL, corresponding to a specific activity is 2.276×106 units/mg.

  • FGF basic/bFGF protein, Bovine Product Image
    1/16
  • Experimental Validation Results for FGF basic/bFGF protein, Bovine
  • Experimental Validation Results for FGF basic/bFGF protein, Bovine
  • FGF basic/bFGF protein, Bovine Product Image