Recurrent Sepsis Exacerbates CD4+ T Cell Exhaustion and Decreases Antiviral Immune Responses

W He, K Xiao, J Xu, W Guan, S Xie, K Wang… - Frontiers in …, 2021 - frontiersin.org
Sepsis is a life-threatening organ dysfunction caused by a dysregulated host response to an
infection. It is a disease with a high incidence, mortality, and recurrence rate and frequently …

Polymicrobial sepsis increases susceptibility to chronic viral infection and exacerbates CD8+ T cell exhaustion

SA Condotta, SH Khan, D Rai, TS Griffith… - The Journal of …, 2015 - journals.aai.org
Patients who survive sepsis display suppressed immune functions, often manifested as an
increased susceptibility to secondary infections. Recently, using a cecal-ligation and …

Sepsis-induced T cell immunoparalysis: the ins and outs of impaired T cell immunity

IJ Jensen, FV Sjaastad, TS Griffith… - The Journal of …, 2018 - journals.aai.org
Sepsis results in a deluge of pro-and anti-inflammatory cytokines, leading to lymphopenia
and chronic immunoparalysis. Sepsis-induced long-lasting immunoparalysis is defined, in …

Sepsis induces long-lasting impairments in CD4+ T-cell responses despite rapid numerical recovery of T-lymphocyte populations

C Ammer-Herrmenau, U Kulkarni, N Andreas… - PLoS …, 2019 - journals.plos.org
Massive apoptosis of lymphocytes is a hallmark of sepsis. The resulting immunosuppression
is associated with secondary infections, which are often lethal. Moreover, sepsis-survivors …

The calm after the storm: Implications of sepsis immunoparalysis on host immunity

EE Silva, C Skon-Hegg, VP Badovinac… - The Journal of …, 2023 - journals.aai.org
The immunological hallmarks of sepsis include the inflammation-mediated cytokine storm,
apoptosis-driven lymphopenia, and prolonged immunoparalysis. Although early clinical …

Polymicrobial sepsis chronic immunoparalysis is defined by diminished Ag-specific T cell-dependent B cell responses

FV Sjaastad, SA Condotta, JA Kotov, KA Pape… - Frontiers in …, 2018 - frontiersin.org
Immunosuppression is one hallmark of sepsis, decreasing the host response to the primary
septic pathogens and/or secondary nosocomial infections. CD4 T cells and B cells are …

[HTML][HTML] Molecular and transcriptional basis of CD4+ T cell dysfunction during chronic infection

A Crawford, JM Angelosanto, C Kao, TA Doering… - Immunity, 2014 - cell.com
T cell exhaustion is common during chronic infections. Although CD4+ T cells are critical for
controlling viral load during chronic viral infections, less is known about their differentiation …

Clinical and experimental sepsis impairs CD8 T-cell-mediated immunity

DB Danahy, RK Strother… - Critical Reviews™ in …, 2016 - dl.begellhouse.com
Septic patients experience chronic immunosuppression resulting in enhanced susceptibility
to infections normally controlled by T cells. Clinical research on septic patients has shown …

When host defense goes awry: modeling sepsis-induced immunosuppression

SB Hu, A Zider, JC Deng - Drug Discovery Today: Disease Models, 2012 - Elsevier
Sepsis is associated with an initial hyperinflammatory state; however, therapeutic trials
targeting the inflammatory response have yielded disappointing results. It is now …

Sepsis leads to lasting changes in phenotype and function of naïve CD8 T cells

RR Berton, PW McGonagil, IJ Jensen, TK Ybarra… - PLoS …, 2023 - journals.plos.org
Sepsis, an amplified immune response to systemic infection, is characterized by a transient
cytokine storm followed by chronic immune dysfunction. Consequently, sepsis survivors are …