Upregulation of reactive oxygen species generation and phagocytosis, and increased apoptosis in human neutrophils during severe sepsis and septic shock

PS Martins, EG Kallas, MC Neto, MA Dalboni… - Shock, 2003 - journals.lww.com
We evaluated neutrophil activation by measuring its phagocytic ability and oxidative burst
activity in 16 patients with sepsis and 16 healthy volunteers. We also focused on neutrophil …

Marked alterations of neutrophil functions during sepsis-induced immunosuppression

J Demaret, F Venet, A Friggeri… - Journal of Leucocyte …, 2015 - academic.oup.com
Severe septic syndromes deeply impair innate and adaptive immunity and are responsible
for sepsis-induced immunosuppression. Although neutrophils represent the first line of …

Roles of neutrophil reactive oxygen species (ROS) generation in organ function impairment in sepsis

J Lu, J Liu, A Li - Journal of Zhejiang University-SCIENCE B, 2022 - Springer
Sepsis is a condition of severe organ failure caused by the maladaptive response of the host
to an infection. It is a severe complication affecting critically ill patients, which can progress …

Neutrophil dysfunction in sepsis

F Zhang, AL Liu, S Gao, S Ma, SB Guo - Chinese medical journal, 2016 - mednexus.org
Objective: Sepsis is defined as life-threatening organ dysfunction due to a dysregulated host
response to infection. In this article, we reviewed the correlation between neutrophil …

Modulation of monocytes in septic patients: preserved phagocytic activity, increased ROS and NO generation, and decreased production of inflammatory cytokines

SS Santos, AM Carmo, MKC Brunialti… - Intensive care medicine …, 2016 - Springer
Background The nature of the inflammatory response underscoring the pathophysiology of
sepsis has been extensively studied. We hypothesized that different cell functions would be …

Immature circulating neutrophils in sepsis have impaired phagocytosis and calcium signaling

R Taneja, AP Sharma, MB Hallett, GP Findlay… - Shock, 2008 - journals.lww.com
Patients with sepsis commonly develop leukocytosis, which is presumed to reflect a host
response to infection. Effective phagocytosis by neutrophils is crucial in the clearance of …

Interleukin-10 counterregulates proinflammatory cytokine-induced inhibition of neutrophil apoptosis during severe sepsis

M Keel, U Ungethüm, U Steckholzer… - Blood, The Journal …, 1997 - ashpublications.org
Neutrophils play a key role in the pathophysiology of septic multiple organ dysfunction
syndrome (MODS) through excessive release of toxic granule components and reactive …

Dysregulation of neutrophil death in sepsis

C Zhu, Y Wang, Q Liu, H Li, C Yu, P Li, X Deng… - Frontiers in …, 2022 - frontiersin.org
Sepsis is a prevalent disease that has alarmingly high mortality rates and, for several
survivors, long-term morbidity. The modern definition of sepsis is an aberrant host response …

Generation of nitric oxide and reactive oxygen species by neutrophils and monocytes from septic patients and association with outcomes

SS Santos, MKC Brunialti, O Rigato, FR Machado… - Shock, 2012 - journals.lww.com
In this study, our aims were to evaluate the reactive oxygen species (ROS) and nitric oxide
(NO) generation by monocytes and neutrophils from septic patients and to correlate their …

Sepsis induces a dysregulated neutrophil phenotype that is associated with increased mortality

JM Patel, E Sapey, D Parekh, A Scott… - Mediators of …, 2018 - Wiley Online Library
Background. Neutrophil dysfunction in sepsis has been implicated in the pathogenesis of
multiorgan failure; however, the role of neutrophil extracellular traps (NETs) remains …