2021
DOI: 10.3390/jmse9070687
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Homeostatic Functions of Tecrem, a CD46-Like Regulatory Protein of Complement Activation, on Epithelial Cells in Carp Fish

Abstract: Fish mucosal surface is a significant interface for pathogens to infect from an aqueous environment. In addition to mucosal innate and adaptive immune factors, epithelial cells are considered as a significant physical barrier against microbial invasion. Previously, we identified a mammalian CD46-like complement regulatory protein (Tecrem) in teleost and detected its expression on epithelial cells derived from fin, suggesting its physiological role on the fish surface. This study examines the homeostatic roles … Show more

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Cited by 1 publication
(3 citation statements)
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“…that rca2.1/tecrem plays a role in regeneration, possibly through inhibition of the complement system. This is consistent with published data: in a cell culture experiment it was shown that blocking rca2.1/tecrem resulted in improved wound closure in a wound scratching experiment in a carp tail fin cell line (Prakash et al, 2021).…”
Section: Resultssupporting
confidence: 93%
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“…that rca2.1/tecrem plays a role in regeneration, possibly through inhibition of the complement system. This is consistent with published data: in a cell culture experiment it was shown that blocking rca2.1/tecrem resulted in improved wound closure in a wound scratching experiment in a carp tail fin cell line (Prakash et al, 2021).…”
Section: Resultssupporting
confidence: 93%
“…Three genes were chosen: teleost CD46-like complement regulatory protein (rca2.1/tecrem) and rca2.2, both part of a cluster of genes called regulators of complement activation, and cd59, an ortholog of a human gene that codes for a membranous inhibitor of MAC formation. A previous study showed that rca2.1/tecrem reduces complement activation-mediated cytotoxicity and deposition of C3 and C4 on cells upon complement-activating stimuli in carp cells (Prakash et al, 2021). Whether rca2.2 has a similar effect has not been tested yet.…”
Section: Overexpressing Endogenous Complement Pathway Inhibitorsmentioning
confidence: 99%
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