General description

The heat shock proteins (HSPs) are a conserved family of ubiquitously expressed proteins that functions to protect cells from various environmental damage. Two proteins within the family, HSP70 and HSP27 demonstrate strong anti-apoptotic activity; its overexpression allow cells to survive in variable conditions. HSPs have been implicated in tumorigenesis – affecting cell cycle regulation, multidrug resistance and modulating p53 function. HSP70 has been studied in a variety of malignancies, including breast, lung, oral, prostate and uterine-cervical cancers. A majority of results associated HSP70 overexpression with poor prognosis and resistance to therapy. Recently, HSP70 diagnostic utility was established in identifying hepatocellular carcinoma (HCC). HSP70 was the most abundantly up-regulated gene in advanced HCC and its immunoreactivity was seen in the majority of HCC. Its sensitivity and specificity were determined as 74% and 98%, respectively. Furthermore, a three antibody panel with HSP70, Glypican 3, and Glutamine Synthetase is capable of distinguishing HCC from high grade dysplastic nodules with 100% specificity when 2 markers are positive.

Other Notes

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Physical form

Solution in Tris Buffer, pH 7.3-7.7, with 1%BSA and &﹤ 0.1% Sodium Azide

Quality