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Article Dans Une Revue Biology Année : 2020

Allograft inflammatory factor-1 in metazoans: focus on invertebrates


Allograft inflammatory factor-1 (AIF-1) is a calcium-binding scaffold/adaptor protein often associated with inflammatory diseases. Originally cloned from active macrophages in humans and rats, this gene has also been identified in other vertebrates and in several invertebrate species. Among metazoans, AIF-1 protein sequences remain relatively highly conserved. Generally, the highest expression levels of AIF-1 are observed in immunocytes, suggesting that it plays a key role in immunity. In mammals, the expression of AIF-1 has been reported in different cell types such as activated macrophages, microglial cells, and dendritic cells. Its main immunomodulatory role during the inflammatory response has been highlighted. Among invertebrates, AIF-1 is involved in innate immunity, being in many cases upregulated in response to biotic and physical challenges. AIF-1 transcripts result ubiquitously expressed in all examined tissues from invertebrates, suggesting its participation in a variety of biological processes, but its role remains largely unknown. This review aims to present current knowledge on the role and modulation of AIF-1 and to highlight its function along the evolutionary scale.
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hal-03934241 , version 1 (11-01-2023)





Jacopo Vizioli, Tiziano Verri, Patrizia Pagliara. Allograft inflammatory factor-1 in metazoans: focus on invertebrates. Biology, 2020, Biology, 9 (11), pp.355. ⟨10.3390/biology9110355⟩. ⟨hal-03934241⟩


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