• Critical care clinics · Jan 2020

    Review

    Check Point Inhibitors and Their Role in Immunosuppression in Sepsis.

    • Michelle E Wakeley, Chyna C Gray, Sean F Monaghan, Daithi S Heffernan, and Alfred Ayala.
    • Division of Surgical Research, Department of Surgery, Brown University, Rhode Island Hospital, Room 242 Aldrich Building, 593 Eddy Street, Providence, RI 02903, USA.
    • Crit Care Clin. 2020 Jan 1; 36 (1): 698869-88.

    AbstractCheckpoint regulators are a group of membrane-bound receptors or ligands expressed on immune cells to regulate the immune cell response to antigen presentation and other immune stimuli, such as cytokines, chemokines, and complement. In the context of profound immune activation, such as sepsis, the immune system can be rendered anergic by these receptors to prevent excessive inflammation and tissue damage. If this septic immunosuppression is prolonged, the host is unable to mount the appropriate immune response to a secondary insult or infection. This article describes the manner in which major regulators in the B7-CD28 family and their ligands mediate immunosuppression in sepsis.Copyright © 2019 Elsevier Inc. All rights reserved.

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