Immune checkpoint inhibitors (ICIs) have revolutionized cancer immunotherapy by reinvigorating antitumor immune responses, but their efficacy remains limited in most patients. To address this challenge and optimize Immune check inhibitor treatment, understanding the underlying molecular intricacies involved is crucial. The emergence of CRISPR-Cas9 technology has empowered researchers to precisely investigate gene function and has introduced transformative shifts in identifying key genes for various physiological and pathological processes. CRISPR screenings, particularly CRISPR screenings, have become invaluable tools in deciphering molecular networks and signaling pathways governing suppressive immune checkpoint molecules. In this review, we provide a comprehensive overview of CRISPR screenings in cancer immunotherapy, exploring how this cutting-edge technology has unraveled potential novel therapeutic targets and combination strategies. We delve into the latest findings and advancements, shedding light on immune checkpoint regulation and offering exciting prospects for the development of innovative and effective treatments for cancer patients.
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http://dx.doi.org/10.3389/fgene.2023.1304425 | DOI Listing |
Cancer Immunol Res
January 2025
Vanderbilt University, Nashville, TN, United States.
Tumor-specific HLA class I expression is required for cytotoxic T-cell elimination of cancer cells expressing tumor-associated or neo-antigens. Cancers downregulate antigen presentation to avoid adaptive immunity. The highly polymorphic nature of the genes encoding these proteins, coupled with quaternary-structure changes after formalin fixation, complicate detection by immunohistochemistry.
View Article and Find Full Text PDFArch Dermatol Res
January 2025
Department of Dermatology, College of Medicine, The Ohio State University Wexner Medical Center, 540 Officenter Place, Columbus, OH, 43230, USA.
The use of immunotherapy is an emerging treatment option for advanced malignancies. Cutaneous adverse events following cancer immunotherapy are well-documented in the literature. The rarer cutaneous adverse effects are less characterized, including eruptive keratoacanthomas (KA).
View Article and Find Full Text PDFJ Gastrointest Cancer
January 2025
Department of Gastrointestinal Medical Oncology, Oncoclínicas, Florianópolis, SC, Brazil.
Purpose: Pancreatic ductal adenocarcinoma (PDAC) is an aggressive malignancy with poor response to chemotherapy. High-frequency microsatellite instability (MSI-H) is a rare biological phenomenon in conventional PDAC, being more frequently described in tumors with medullary or mucinous features.
Methods And Results: In this manuscript, we report the case of a patient with an MSI-H pancreatic carcinoma with medullary features (medullary carcinoma of the pancreas-MCP) that achieved a complete pathological response after neoadjuvant modified FOLFIRINOX.
Microbiol Spectr
January 2025
Asia-Pacific Centre for Animal Health, Melbourne Veterinary School, Faculty of Science, The University of Melbourne, Victoria, Australia.
Previous studies have demonstrated the safety and efficacy of a live-attenuated glycoprotein G (gG) deletion mutant vaccine strain of ILTV (∆gG-ILTV). In the current study, transcriptional profiles of chicken tracheal organ cultures (TOCs), 24 h post inoculation with ∆gG-ILTV or the gG-expressing parent wild-type strain, CSW-1 ILTV were explored and compared with the mock-infected TOCs using RNA-seq analysis. Transcriptomes of the vaccine and wild-type ILTV were also compared with each other.
View Article and Find Full Text PDFAm J Cancer Res
December 2024
Division of Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Institute of Public Health, Florida A&M University Tallahassee, FL 32307, The United States.
The tumor immune microenvironment (TIME) plays a critical role in cancer development and response to immunotherapy. Immune checkpoint inhibitors aim to reverse the immunosuppressive effects of the TIME, but their success has been limited. Immunotherapy directed at PD-1/PD-L1 has been widely employed, yielding positive results.
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