Abstract
Impaired immunity may drive the increased incidence and aggression of cutaneous squamous cell carcinoma (cSCC) in patients with hematologic malignancy; however, precise mechanisms and prognostic biomarkers remain undefined. CD73 maintains elevated immunosuppressive adenosine levels and is associated with poor prognosis in several tumor microenvironments. Identify poor outcome biomarkers in patients with cSCC and hematologic malignancy. Differentially expressed genes in tumors from patients with hematologic malignancy experiencing good (n = 8) versus poor (n = 7) outcomes were identified by NanoString analysis. Results were validated at the protein level using CD73 immunohistochemistry in cSCC patients with (n = 38) and without (n = 29) hematologic malignancy. Forty-eight genes were differentially expressed in tumors from patients with hematologic malignancy experiencing good versus poor outcomes. CD73 gene expression was >2-fold higher in patients with poor versus good outcomes or normal skin. Significantly increased CD73 protein levels were observed in cSCC tumors with poor versus good outcomes from patients with hematologic malignancies (p < .01), whereas no differences were noted in tumors with poor versus good outcomes from patients without hematologic malignancies (p = .49). CD73 is highly expressed in poor prognosis cSCC from patients with hematologic malignancy and may represent a useful biomarker and potential therapeutic target.
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Schedule a callMore From: Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.]
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