Author: Lenárt, Sára; Lenárt, Peter; Knopfová, Lucia; Kotasová, Hana; Pelková, Vendula; Sedláková, Veronika; ÄŒan, VladimÃr; Å marda, Jan; SouÄek, Karel; Hampl, AleÅ¡; BeneÅ¡, Petr
Title: TACSTD2 upregulation is an early reaction to lung infection Cord-id: nj40hzp0 Document date: 2021_6_30
ID: nj40hzp0
Snippet: TACSTD2 encodes a transmembrane glycoprotein Trop2 commonly overexpressed in carcinomas. While the Trop2 protein was discovered already in 1981 and first antibody-drug conjugate targeting Trop2 were recently approved cancer therapy, the physiological role of Trop2 is still not fully understood. In this article, we show that TACSTD2/Trop2 expression is evolutionarily conserved in lungs of various vertebrates. By analysis of publicly available transcriptomic data we demonstrate that TACSTD2 level
Document: TACSTD2 encodes a transmembrane glycoprotein Trop2 commonly overexpressed in carcinomas. While the Trop2 protein was discovered already in 1981 and first antibody-drug conjugate targeting Trop2 were recently approved cancer therapy, the physiological role of Trop2 is still not fully understood. In this article, we show that TACSTD2/Trop2 expression is evolutionarily conserved in lungs of various vertebrates. By analysis of publicly available transcriptomic data we demonstrate that TACSTD2 level consistently increases in lungs infected with miscellaneous pathogens. Single cell and subpopulation based transcriptomic data revealed that the major source of TACSTD2 transcript are lung epithelial cells and their progenitors and that TACSTD2 is induced directly in lung epithelial cells following infection. This increase may represent a mechanism to maintain/restore epithelial barrier function and contribute to regeneration process in infected/damaged lungs.
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