alexa Two-dimensional electrophoretic proteome study of serum thermostable fraction from patients with various tumor conditions.
Molecular Biology

Molecular Biology

Journal of Cytology & Histology

Author(s): Goufman EI, Moshkovskii SA, Tikhonova OV, Lokhov PG, Zgoda VG,

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Abstract One of the problems of plasma proteomics is a presence of large major components. In this work, we use the thermostable fraction as a way to deplete these major proteins. The thermostable fraction of serum samples from patients with ovarian, uterus, and breast cancers and benign ovarian tumor was analyzed using two-dimensional electrophoresis combined with MALDI-TOF(-TOF)-mass spectrometry. Of them, alpha-1-acid glycoprotein and clusterin are expressly down-regulated in breast cancer, whereas transthyretin is decreased specifically in ovarian cancer. Apolipoprotein A-I forms have decreased spot volumes, while haptoglobin alpha1, in contrast, is elevated in several tumors. These data are partly consistent with previous art studies on cancer proteomics, which involve mass-spectrometry-based serum profiling techniques. Serum thermostable fraction may be recommended as a good tool for medium and small protein proteome investigation, in particular, by 2D-electrophoresis.
This article was published in Biochemistry (Mosc) and referenced in Journal of Cytology & Histology

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