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β₂-Microglobulin, Human Urine

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≥98% (SDS-PAGE)

Quality Level





storage condition

OK to freeze
avoid repeated freeze/thaw cycles

storage temp.


General description

Native β2-microglobulin from human urine. A useful marker for the determination of AIDS progression in HIV-infected subjects. Increased levels may also indicate increased proliferation of tumor masses.
Native β2-microglobulin from human urine. Single chain polypeptide that is the constant component of Class I MHC, which is located on most nucleated cells. It is also a normal constituent of serum and urine. Increased levels of this protein in the serum are used as a marker for impairments of renal function and a variety of lymphoproliferative diseases.


Toxicity: Standard Handling (A)

Physical form

In PBS, 150 mM NaCl, 20 mM phosphate buffer, pH 7.3.

Preparation Note

Prepared from urine that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.


Following initial thaw, product can be stored at 4°C for up to 6 months.

Other Notes

Zabay, J.M., et al. 1995. J. Acquired Immune Defic. Syndr. Hum. Retrovirol. 8, 266.
Mady, B.J., et al. 1991. J. Immunol.147, 3139.
Lampson, L.A. 1990. J. Immunol. 144, 512.
Calzia, R., et al. 1989. Adv. Exp. Med. Biol.257, 225.
Ninomiya, Y., and Arakawa, M. 1989. Diabetes Res.10, 129.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany


RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.

Storage Class

12 - Non Combustible Liquids




Not applicable


Not applicable

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