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Research Article: PSMC is a Novel Prognostic Biomarker and Predicts Immunotherapeutic Responses: From Pancreatic Cancer to Pan-Cancer

Date Published: 2023-08-09

Abstract:
Pancreatic cancer (PC) is a common malignancy with poor prognosis, with the -year overall survival rate of about %. However, the majority of individuals with PC are determined to suffer from locally advanced or metastatic diseases. The -year survival rate (after resection) remains no more than %, and is only possible in %-% of the diagnosed patients. Recently, immunotherapy, represented by the blocking antibodies against programmed cell death (PD-) or its ligand (PD-L), has become a viable hotspot treatment approach for PC. In fact, in addition to tumor cells, tumor tissue also contains immune cells, stromal cells, vascular networks, and several other cellular and non-cellular elements that help to create the tumor microenvironment (TME). Tumors could be classified as hot or cool tumors depending on the TME’s features. T cell infiltration and molecular signs of immune activation are markers of hot malignancies, whereas T cell exclusion or absence is conspicuously seen in cold tumors. Moreover, the TME contains a wide variety of potential targets for cancer treatment thanks to its several components. Hence, the identification of populations that can benefit from the immunotherapy necessitates the urgent need for possible biomarkers that could be utilized to determine tumor immunogenicity.

Introduction:
Pancreatic cancer (PC) is a common malignancy with poor prognosis, with the -year overall survival rate of about %. However, the majority of individuals with PC are determined to suffer from locally advanced or metastatic diseases. The -year survival rate (after resection) remains no more than %, and is only possible in %-% of the diagnosed patients. Recently, immunotherapy, represented by the blocking antibodies against programmed cell death (PD-) or its ligand (PD-L), has become a viable hotspot treatment…

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