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STING activation normalizes the intraperitoneal vascular-immune microenvironment and suppresses peritoneal carcinomatosis of colon cancer

Background Peritoneal carcinomatosis is a fatal clinical presentation of colon cancer, characterized by unresponsiveness to conventional anticancer therapies, including immune checkpoint inhibitors. Here, we elucidated the immune-evasion mechanisms during the ..... see more

Source : https://jitc.bmj.com/content/9/6/e002195

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Novel non-terminal tumor sampling procedure using fine needle aspiration supports immuno-oncology biomarker discovery in preclinical mouse models

Background Immuno-oncology therapies are now part of the standard of care for cancer in many indications. However, durable objective responses remain limited to a subset of patients. As such, there ..... see more

Source : https://jitc.bmj.com/content/9/6/e002894

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Soluble immune checkpoints and T-cell subsets in blood as biomarkers for resistance to immunotherapy in melanoma patients

ABSTRACT ABSTRACT Different mechanisms lead to immune checkpoint inhibitor (ICI) resistance. Identifying clinically useful biomarkers might improve drug selection and patients' therapy. We analyzed the soluble immune checkpoints sPD1, sPDL1, ..... see more

Source : https://doi.org/10.1080/2162402X.2021.1926762

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Genetic Alterations in Gliomas Remodel the Tumor Immune Microenvironment and Impact Immune-Mediated Therapies

High grade gliomas are malignant brain tumors that arise in the central nervous system, in patients of all ages. Currently, the standard of care, entailing surgery and chemo radiation, exhibits ..... see more

Source : https://doi.org/10.3389/fonc.2021.631037

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Low-dose HDACi potentiates anti-tumor activity of macrophages in immunotherapy

Novel therapy that promotes anti-tumor immunity shifted the paradigm of cancer treatment. Most of these immunomodulatory strategies have focused on manipulating the adaptive immune system, either by blocking inhibitory pathways ..... see more

Source : https://doi.org/10.1080/2162402X.2021.1935668

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Expression and Prognostic Significance of PD-L2 in Diffuse Large B-Cell Lymphoma

Recent studies suggest that programmed death ligand-2 (PD-L2) constitutes an important antitumor immune response. Here, we investigated the relationship between PD-L2 expression and clinicopathological features in diffuse large B-cell lymphoma ..... see more

Source : https://doi.org/10.3389/fonc.2021.664032

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Knowing More Than the Knowns in Familial Hypercholesterolemia - PubMed

doi: 10.1001/jamacardio.2021.1458. Online ahead of print. 1 Cardiovascular Research Center, Massachusetts General Hospital, Boston. 2 Department of Medicine, Harvard Medical School, Boston, Massachusetts. 3 Program in Medical and Population Genetics ..... see more

Source : https://pubmed.ncbi.nlm.nih.gov/34037679/

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Spi-B Promotes the Recruitment of Tumor-Associated Macrophages via Enhancing CCL4 Expression in Lung Cancer

Tumor immune escape plays a critical role in malignant tumor progression and leads to the failure of anticancer immunotherapy. Spi-B, a lymphocyte lineage-specific Ets transcription factor, participates in mesenchymal invasion ..... see more

Source : https://doi.org/10.3389/fonc.2021.659131

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Low Infiltration of CD8+ PD-L1+ T Cells and M2 Macrophages Predicts Improved Clinical Outcomes After Immune Checkpoint Inhibitor Therapy in Non-Small Cell Lung Carcinoma

BackgroundMany clinical studies have shown that patients with non-small cell lung carcinoma (NSCLC) can benefit from immune checkpoint inhibitor (ICI) therapy; however, PD-L1 and tumor mutation burden (TMB), which are ..... see more

Source : https://doi.org/10.3389/fonc.2021.658690

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Immunotherapy in the Treatment of Urothelial Bladder Cancer: Insights From Single-Cell Analysis

Urothelial bladder cancer (UBC) is a global challenge of public health with limited therapeutic options. Although the emergence of cancer immunotherapy, most notably immune checkpoint inhibitors, represents a major breakthrough ..... see more

Source : https://doi.org/10.3389/fonc.2021.696716

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Low-dose CDK4/6 inhibitors induce presentation of pathway specific MHC ligands as potential targets for cancer immunotherapy

ABSTRACT Cyclin dependent kinase 4/6 inhibitors (CDK4/6i) lead to cell-cycle arrest but also trigger T cell-mediated immunity, which might be mediated by changes in human leukocyte antigen (HLA) ligands. We ..... see more

Source : https://doi.org/10.1080/2162402X.2021.1916243

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Rectosigmoid-Junction Squamous Cell Carcinoma With pMMR/MSS Achieved a Partial Response Following PD-1 Blockade Combined With Chemotherapy: A Case Report

Colorectal squamous cell carcinoma (SCC) is extremely rare and associated with a poor prognosis. And the pMMR/MSS colorectal cancer is related to a limited response to programmed death ligand-1 (PD-1) ..... see more

Source : https://doi.org/10.3389/fonc.2021.596342

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Rectosigmoid-Junction Squamous Cell Carcinoma With pMMR/MSS Achieved a Partial Response Following PD-1 Blockade Combined With Chemotherapy: A Case Report

Colorectal squamous cell carcinoma (SCC) is extremely rare and associated with a poor prognosis. And the pMMR/MSS colorectal cancer is related to a limited response to programmed death ligand-1 (PD-1) ..... see more

Source : https://doi.org/10.3389/fonc.2021.596342

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Case Report: Transformation From Non-Small Cell Lung Cancer to Small Cell Lung Cancer During Anti-PD-1 Therapy: A Report of Two Cases

BackgroundHistological transformation of lung cancer to small cell lung cancer (SCLC) is uncommon. It is a small subset of the possible resistance mechanisms, even in epidermal growth factor receptor (EGFR)-mutated ..... see more

Source : https://doi.org/10.3389/fonc.2021.619371

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The immune microenvironment and relation to outcome in patients with advanced breast cancer treated with docetaxel with or without gemcitabine

ABSTRACT ABSTRACT Preclinical studies suggest that some effects of conventional chemotherapy, and in particular, gemcitabine, are mediated through enhanced antitumor immune responses. The objective of this study was to use ..... see more

Source : https://doi.org/10.1080/2162402X.2021.1924492

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Case Report: Transformation From Non-Small Cell Lung Cancer to Small Cell Lung Cancer During Anti-PD-1 Therapy: A Report of Two Cases

BackgroundHistological transformation of lung cancer to small cell lung cancer (SCLC) is uncommon. It is a small subset of the possible resistance mechanisms, even in epidermal growth factor receptor (EGFR)-mutated ..... see more

Source : https://doi.org/10.3389/fonc.2021.619371

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Integrative evaluation of primary and metastatic lesion spectrum to guide anti-PD-L1 therapy of non-small cell lung cancer: results from two randomized studies

ABSTRACT ABSTRACT Objectives: Clinical benefits of immune-checkpoint blockade (ICB) versus standard chemotherapy have been established in unselected non-small cell lung cancer (NSCLC). However, the response to ICB therapy among patients ..... see more

Source : https://doi.org/10.1080/2162402X.2021.1909296

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A Comparison Between Chemo-Radiotherapy Combined With Immunotherapy and Chemo-Radiotherapy Alone for the Treatment of Newly Diagnosed Glioblastoma: A Systematic Review and Meta-Analysis

BackgroundImmunotherapy for GBM is an emerging field which is increasingly being investigated in combination with standard of care treatment options with variable reported success rates.ObjectiveTo perform a systematic review of ..... see more

Source : https://doi.org/10.3389/fonc.2021.662302

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A Novel CAR Expressing NK Cell Targeting CD25 With the Prospect of Overcoming Immune Escape Mechanism in Cancers

For many years, high-affinity subunit of IL-2 receptor (CD25) has been considered as a promising therapeutic target for different pathologic conditions like allograft rejection, autoimmunity, and cancers. Although CD25 is ..... see more

Source : https://doi.org/10.3389/fonc.2021.649710

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Targeting DNA Damage Repair for Immune Checkpoint Inhibition: Mechanisms and Potential Clinical Applications

DNA damage repair (DDR) pathways play an essential role in maintaining genomic integrity. DDR dysfunction leads to accumulated DNA damage, predisposition to cancer, and high sensitivity to chemotherapy and radiotherapy. ..... see more

Source : https://doi.org/10.3389/fonc.2021.648687