Soluble B7-H1/PD-L1 Levels in Multiple Cancer Subtypes: High Sensitivity Measurement by Immunoassay

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Although the immune checkpoint protein B7-H1/PD-L1 is a commonly used cancer biomarker, controversy remains over the predictive and prognostic utility of immunohistochemical methods. Download our white paper which shows that we can reliably measure B7-H1/PD-L1 in conditioned media supernates and cell lysates from a number of cancer cell lines.

Data from our white paper indicate that:

  • We can reliably measure B7-H1/PD-L1 in a number of human cancer cell lines
  • Soluble B7-H1/PD-L1 expression levels are coincident with loss of PTEN tumor suppressor or increased activation of the phosphoinositide 3-kinase pathway

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