1. Recombinant Proteins
  2. Cytokines and Growth Factors
  3. Chemokine & Receptors
  4. CXC Chemokines
  5. IP-10/CXCL10
  6. IP-10/CRG-2/CXCL10 Protein, Human

IP-10/CRG-2/CXCL10 Protein, Human

Cat. No.: HY-P7226
COA Handling Instructions

CXCL10, also known as interferon γ-induced protein 10 kDa (IP-10), is a cytokine belonging to the CXC chemokine family. CXCL10 exerts its biological effects by binding to CXCR3. CXCL10 is a pleiotropic molecule capable of exerting potent biological functions, including promoting the chemotactic activity of CXCR3+ cells, inducing apoptosis, regulating cell growth and proliferation as well as angiogenesis in infectious and inflammatory diseases and cancer. IP-10/CRG-2/CXCL10 Protein, Human consists of 77 amino acids (V22-P98) and is expressed in E. coli.

For research use only. We do not sell to patients.

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  • Biological Activity

  • Technical Parameters

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Description

CXCL10, also known as interferon γ-induced protein 10 kDa (IP-10), is a cytokine belonging to the CXC chemokine family. CXCL10 exerts its biological effects by binding to CXCR3. CXCL10 is a pleiotropic molecule capable of exerting potent biological functions, including promoting the chemotactic activity of CXCR3+ cells, inducing apoptosis, regulating cell growth and proliferation as well as angiogenesis in infectious and inflammatory diseases and cancer[1]. IP-10/CRG-2/CXCL10 Protein, Human consists of 77 amino acids (V22-P98) and is expressed in E. coli.

Background

CXCL10 is a pro-inflammatory chemokine secreted by a wide spectrum of cells. CXCL10 activates T lymphocytes (Th1), NK cells, macrophages, dendritic and B cells. Alterations in CXCL10 expression levels have been associated with inflammatory diseases including infectious diseases, angiogenesis, immune dysfunction and tumor development[1].
Mature human CXCL10 shares 68% amino acid sequence identity with mouse and rat CXCL10.
Human CXCL10 gene, is initially isolated in 1985 by Luster while treating a lymphoma cell line (U937) with recombinant IFN-γ. CXCL10 cDNA has an open reading frame of 1173-bp containing 4 exons and encoding a protein of 98-amino acids. The primary translational product of the CXCL10 gene is a 12 kDa protein containing two internal disulfide cross bridges. CXCL10 exerts its biological effects by binding to CXCR3, a seven trans-membrane-spanning G protein-coupled receptor in a paracrine or autocrine fashion, which is predominantly expressed on activated T, B lymphocyte, natural killer (NK), dendritic and macrophage cells. CXCL10 induction depends predominantly on the carboxyl-terminal region of CXCR3, which is essential for CXCR3 internalization, chemotaxis and calcium mobilization induced by the CXCL10 ligand. The powerful chemotactic action of CXCL10 on activated lymphocytes allows it to modulate both innate and adaptive immunity, inducing tissue damage and modulating tumor formation[1].
  CXCL10 is a pleiotropic molecule capable of exerting potent biological functions, including promoting the chemotactic activity of CXCR3+ cells, inducing apoptosis, regulating cell growth and proliferation as well as angiogenesis in infectious and inflammatory diseases and cancer. ELR-negative CXCL10 is an angiostatic chemokine, which inhibits angiogenesis. Abnormal levels of CXCL10 have been observed in body fluids of individuals infected with viruses, bacteria, fungi and parasites[1].

In Vitro

Recombinant human CXCL10 (5-10 μg/mL; 3 days) attenuates the proliferation of CAG, U266 and RPMI-8266 myeloma cells, and human umbilical vein endothelial cells, implying that CXCL10 exhibits anti-angiogenic capacity[2].
Recombinant human CXCL10 (500 ng//mL; for 2 h) induces up-regulation of CXCR3 expression in MDA-MB-231, MCF-7 and T47D cells[3].

Biological Activity

1.The ED50 is <0.2 μg/mL as measured by HUVEC cells, corresponding to a specific activity of >5.0 × 103 units/mg.
2.Measured by its ability to chemoattract Jurkat cells. The ED50 for this effect is 45.45 ng/mL, corresponding to a specific activity is 2.200×104 U/mg.

  • Measured by its ability to chemoattract Jurkat cells. The ED50 for this effect is 45.45 ng/mL, corresponding to a specific activity is 2.200×104 U/mg.
Species

Human

Source

E. coli

Tag

Tag Free

Accession

P02778 (V22-P98) with N-Met

Gene ID
Molecular Construction
N-term
CXCL10 (M22-P98)
Accession # P02778
C-term
Synonyms
rHuIP-10/CXCL10; C-X-C motif chemokine 10; Gamma-IP10; Mob-1
AA Sequence

VPLSRTVRCTCISISNQPVNPRSLEKLEIIPASQFCPRVEIIATMKKKGEKRCLNPESKAIKNLLKAVSKERSKRSP

Molecular Weight

Approximately 8-13 kDa

Purity
  • Greater than 95% as determined by reducing SDS-PAGE.
Appearance

Lyophilized powder

Formulation

Lyophilized after extensive dialysis against 50 mM Tris, pH 8.0 or 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. 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.

Documentation
References

IP-10/CRG-2/CXCL10 Protein, Human Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

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The reconstitution calculator equation

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

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

The dilution calculator equation

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

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

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

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Product Name:
IP-10/CRG-2/CXCL10 Protein, Human
Cat. No.:
HY-P7226
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