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1.
Int J Mol Sci ; 22(14)2021 Jul 06.
Article in English | MEDLINE | ID: covidwho-1502438

ABSTRACT

Neutrophils form sticky web-like structures known as neutrophil extracellular traps (NETs) as part of innate immune response. NETs are decondensed extracellular chromatin filaments comprising nuclear and cytoplasmic proteins. NETs have been implicated in many gastrointestinal diseases including colorectal cancer (CRC). However, the regulatory mechanisms of NET formation and potential pharmacological inhibitors in the context of CRC have not been thoroughly discussed. In this review, we intend to highlight roles of NETs in CRC progression and metastasis as well as the potential of targeting NETs during colon cancer therapy.


Subject(s)
Colorectal Neoplasms/immunology , Colorectal Neoplasms/pathology , Extracellular Traps/immunology , Neutrophils/immunology , Neutrophils/pathology , Animals , Disease Progression , Extracellular Traps/physiology , Humans , Neoplasm Metastasis/immunology
2.
Biomolecules ; 11(11)2021 10 20.
Article in English | MEDLINE | ID: covidwho-1480577

ABSTRACT

SARS-CoV-2 contains certain molecules that are related to the presence of immunothrombosis. Here, we review the pathogen and damage-associated molecular patterns. We also study the imbalance of different molecules participating in immunothrombosis, such as tissue factor, factors of the contact system, histones, and the role of cells, such as endothelial cells, platelets, and neutrophil extracellular traps. Regarding the pathogenetic mechanism, we discuss clinical trials, case-control studies, comparative and translational studies, and observational studies of regulatory or inhibitory molecules, more specifically, extracellular DNA and RNA, histones, sensors for RNA and DNA, as well as heparin and heparinoids. Overall, it appears that a network of cells and molecules identified in this axis is simultaneously but differentially affecting patients at different stages of COVID-19, and this is characterized by endothelial damage, microthrombosis, and inflammation.


Subject(s)
Alarmins , COVID-19/virology , SARS-CoV-2 , Thrombosis/virology , Angiotensin-Converting Enzyme 2/metabolism , Animals , Blood Coagulation , Blood Platelets/virology , COVID-19/complications , DNA/metabolism , Extracellular Traps , Heparin/metabolism , Histones/metabolism , Humans , Mice , Neuropilin-1/metabolism , RNA/metabolism , Signal Transduction , Thrombin/metabolism , Thromboplastin/metabolism , Thrombosis/complications
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