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  2. Cytokines and Growth Factors
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  4. IL-10
  5. IL-10 Protein, Rat (CHO)

IL-10 Protein, Rat (CHO)

Cat. No.: HY-P7098A
COA Handling Instructions

IL-10 Protein, Rat (CHO) is a CHO cell derived immunosuppressive cytokine produced by a variety of mammalian cell types including macophages, monocytes, B-cells, T-cells and keratinocytes.

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

Protein Expression Service

Size Price Stock Quantity
10 μg $190 In-stock
50 μg $590 In-stock
100 μg $1050 Get quote
250 μg   Get quote  

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Top Publications Citing Use of Products

Publications Citing Use of MCE IL-10 Protein, Rat (CHO)

  • Biological Activity

  • Technical Parameters

  • Properties

  • Documentation

  • References


IL-10 Protein, Rat (CHO) is a CHO cell derived immunosuppressive cytokine produced by a variety of mammalian cell types including macophages, monocytes, B-cells, T-cells and keratinocytes.


Interleukin-10 is an anti-inflammatory Th1 immunosuppressive cytokine, the active form of which is a non-covalent homodimer, and which exhibits species-specificity both with respect to structure and biological activity. The rat homologue of IL-10 shares 73% identity with human IL-10 at the amino-acid sequence level, and has, in addition to the two disulphide bonds present in human IL-10, a fifth, unpaired cysteine (cys-149). Preparation of rat IL-10 by bacterial expression followed by solubilisation and refolding in a glutathione redox system, results in a molecule in which cys-149 is almost entirely oxidised, existing either as disulphide dimer or as a mixed disulphide with glutathione, and which has less than 1% of the activity of the native (cys-149-SH) form of the molecule. Site directed mutagenesis of rat IL-10 to replace cys-149 with tyrosine produces a molecule which readily adopts the active conformation upon solubilisation and refolding, and which is recoverable in good yield from bacterial expression systems. Comparison of the biological activities of rat IL-10tyr149 and commercial rat IL-10 preparations confirms that the activity of native-sequence rat IL-10 is either reduced or absent. It is proposed therefore that the biosynthetic analogue ratIL-10tyr149 is a more useful molecule to investigate the biological actions of IL-10 in the rat[1].

Biological Activity

The ED50 is <8 μg /mL as measured by C6 cells.






Tag Free


P29456 (S19-N178)

Gene ID
rRtIL-10; CSIF
AA Sequence


Molecular Weight

8-22 kDa


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


Lyophilized powder.


Lyophilized after extensive dialysis against PBS.

Endotoxin Level

<0.2 EU/μg, determined by LAL method.


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.


Room temperature in continental US; may vary elsewhere.


IL-10 Protein, Rat (CHO) 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

  • Specific Activity Calculator

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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