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Conserved and Distinct Elements of Phagocytosis in Human and C. elegans

Lukácsi, Szilvia ; Farkas, Zsolt ; Saskői, Éva ; Bajtay, Zsuzsa ; Takács-Vellai, Krisztina

International journal of molecular sciences, 2021-08, Vol.22 (16), p.8934 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
Conserved and Distinct Elements of Phagocytosis in Human and C. elegans
Autor: Lukácsi, Szilvia ; Farkas, Zsolt ; Saskői, Éva ; Bajtay, Zsuzsa ; Takács-Vellai, Krisztina
Assuntos: Antigens ; Apoptosis ; Autoimmunity ; Caenorhabditis elegans ; Clearances ; Damage detection ; Dendritic cells ; efferocytosis ; Endocytosis ; Enzymes ; Gene expression ; Homeostasis ; Immune clearance ; Immune response ; Immune system ; Inflammation ; Innate immunity ; Mammals ; Nematodes ; Neutrophils ; Nutrition ; Oxidative stress ; Pathogens ; Pattern recognition ; pattern recognition receptors ; Phagocytes ; Phagocytosis ; Plasma ; Proteins ; Review ; Signal transduction
É parte de: International journal of molecular sciences, 2021-08, Vol.22 (16), p.8934
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These authors contributed equally to this work.
Descrição: Endocytosis provides the cellular nutrition and homeostasis of organisms, but pathogens often take advantage of this entry point to infect host cells. This is counteracted by phagocytosis that plays a key role in the protection against invading microbes both during the initial engulfment of pathogens and in the clearance of infected cells. Phagocytic cells balance two vital functions: preventing the accumulation of cell corpses to avoid pathological inflammation and autoimmunity, whilst maintaining host defence. In this review, we compare elements of phagocytosis in mammals and the nematode Caenorhabditis elegans. Initial recognition of infection requires different mechanisms. In mammals, pattern recognition receptors bind pathogens directly, whereas activation of the innate immune response in the nematode rather relies on the detection of cellular damage. In contrast, molecules involved in efferocytosis—the engulfment and elimination of dying cells and cell debris—are highly conserved between the two species. Therefore, C. elegans is a powerful model to research mechanisms of the phagocytic machinery. Finally, we show that both mammalian and worm studies help to understand how the two phagocytic functions are interconnected: emerging data suggest the activation of innate immunity as a consequence of defective apoptotic cell clearance.
Editor: Basel: MDPI AG
Idioma: Inglês

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Conserved and Distinct Elements of Phagocytosis in Human and C. elegans

Lukácsi, Szilvia ; Farkas, Zsolt ; Saskői, Éva ; Bajtay, Zsuzsa ; Takács-Vellai, Krisztina

Basel: MDPI AG

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