MIP-3 alpha/CCL20 Protein, Mouse

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MIP-3 alpha/CCL20 Protein, Mouse is a CC chemokine that attracts lymphocytes and mild neutrophils by binding to and acting on the chemokine receptor CCR6. It induces intracellular calcium mobilization and mediates cancer, various autoimmune diseases, and antimicrobial effects. MIP-3 alpha/CCL20 Protein, Mouse  is a recombinant mouse CCL20 (A28-M97) expressed by E. coli.

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  • Species: Mouse
  • 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • References
  • Help & FAQs

Biological Activity

Description

MIP-3 alpha/CCL20 Protein, Mouse is a CC chemokine that attracts lymphocytes and mild neutrophils by binding to and acting on the chemokine receptor CCR6. It induces intracellular calcium mobilization and mediates cancer, various autoimmune diseases, and antimicrobial effects. MIP-3 alpha/CCL20 Protein, Mouse  is a recombinant mouse CCL20 (A28-M97) expressed by E. coli[1].

Background

CCL20, also known as macrophage inflammatory protein 3 alpha (MIP-3-alpha) and liver-activated regulatory chemokine (LARC), is a small cytokine belonging to the CC chemokine family and is located on chromosome 2 in the human genome. It is expressed at lower levels in the thymus, testis, prostate and intestine. CCL20 binds to and acts as a chemokine receptor CCR6 and synergistically inhibits the function of CD8 T cells with CCR6. CCL20 has antimicrobial activity and has been implicated in autoimmune diseases such as inflammatory bowel disease, rheumatoid arthritis, and psoriasis, as well as oncological diseases. It can induce Tregs to invade tumor tissue, recruit dendritic cells to promote immunosuppression, and induce endothelial cell proliferation and neointima formation[1][2].

In Vitro

CCL20 is preferentially released into the apical chamber in polarized BALB/c mouse uterine epithelial cells. In contrast, in rats, it is preferentially released into the basolateral compartment[3].

In Vivo

CCL20 (s.c., 0.5 μg in 100 μL 1×PBS, every week, 21 days or 28 days) recruits a large number of GFP+ Treg cells to the tumor, and the tumor size of the mice is also significantly increased compared to the PBS control in B6.Cg-Foxp3 tm2Tch/J mice[4].

Verified Bioactivity

1.Full biological activity determined by a chemotaxis bioassay using human CCR6 transfected murine BaF3 cells is in a concentration range of 0.1-10 ng/mL.
2.Measured by its ability to chemoattract Huh-7 cells. The ED50 for this effect is 2-6 ng/mL.
3.Measured by its ability to chemoattract BaF3 mouse pro-B cells transfected with human CCR6. The ED50 for this effect is 2-6 ng/mL.

Technical Parameters

  • Species Mouse
  • Source E. coli
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • CCL20 (A28-M97)
      Accession # O89093
    • C-term
  • Protein Length

    Full Length of Mature Protein

  • Synonyms

    CCL20; Chemokine (C-C Motif) Ligand 20; Prev. SCYA20; C-C Motif Chemokine 20; LARC; CC Chemokine LARC; MIP-3a; MIP-3-Alpha; ST38; Exodus-1; CKb4; MIP3A; Small Inducible Cytokine Subfamily A (Cys-Cys), Member 20; Beta Chemokine Exodus-1; Liver And Activati

  • AA Sequence

    ASNYDCCLSYIQTPLPSRAIVGFTRQMADEACDINAIIFHTKKRKSVCADPKQNWVKRAVNLLSLRVKKM

  • Predicted Molecular Mass

    8 kDa

  • Molecular Weight

    Approximately 8-9 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

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

Product Properties

Appearance

Lyophilized powder

Formulation

1.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4.
2.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4, 5% trehalose, 5% mannitol and 0.01% Tween 80.
3.Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4, 8% trehalose.
Please refer to the lot-specific COA for specific buffer information.

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

Calculators

Reconstitution Calculator

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) Volume (to add to vial)
=
Mass (in vial) Mass (in vial)
÷
Desired Reconstitution Concentration Desired Reconstitution Concentration
Dilution Calculator

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

Concentration (start) Concentration (start)
×
Volume (start) Volume (start)
=
Concentration (final) Concentration (final)
×
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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)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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